CN218053999U

CN218053999U - Prevent interfering 3D and print double spray head telecontrol equipment

Info

Publication number: CN218053999U
Application number: CN202221893852.4U
Authority: CN
Inventors: 宋武鑫; 艾凡荣; 李文超; 符朝俊; 刘紫妮; 刘松
Original assignee: Nanchang University
Current assignee: Nanchang University
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2022-12-16
Anticipated expiration: 2032-07-21

Abstract

The utility model relates to the field of 3D printing equipment, in particular to an anti-interference 3D printing double-nozzle movement device, which comprises a movement device and a nozzle, and further comprises a fixed plate and a stepping motor, wherein a first synchronizing wheel is arranged in front of the fixed plate, a second synchronizing wheel is arranged below the first synchronizing wheel, a synchronous belt is arranged between the first synchronizing wheel and the second synchronizing wheel, slide rails are respectively arranged on the left side and the right side of the first synchronizing wheel, and locking devices are arranged on the two slide rails; the locking device comprises a sliding block, a fixing block and a locking block, the fixing block comprises a back plate, a bottom plate and a vertical plate, a through hole is formed in the middle of the bottom plate, and one side of the vertical plate is fixedly connected with the bottom plate and the back plate; the upper half part of the locking block is provided with a plurality of arc-shaped teeth, and the locking block is connected with the vertical plate clamping synchronous belt through screws. The utility model discloses utilize two shower nozzles of hold-in range control to slide on the slide rail, another shower nozzle of a shower nozzle during operation is higher than the printing plane to prevent that the non-working shower nozzle from causing the rubbing of cutting to the piece of the product of printing out, and then improved product quality.

Description

Prevent interfering 3D and print double spray head telecontrol equipment

Technical Field

The utility model relates to a 3D printing apparatus field, concretely relates to prevent interfering 3D and print double spray telecontrol equipment.

Background

Fused Deposition (FDM) technology in 3D printing technology is currently the most widely used 3D printing technology, and the principle of FDM3D printers is as follows: the nozzle does X-Y plane motion under the control of the motion device according to the section profile information of the product part, the thermoplastic filamentous material is sent to the hot melting nozzle by the filament supply mechanism, heated to be semi-liquid in the nozzle, extruded out, selectively coated on the workbench, quickly cooled to form a layer of sheet profile, the workbench descends to a certain height after the section of one layer is formed, the next layer of coating is carried out, and the cycle is repeated so as to finally form the three-dimensional product.

When needs carry out 3D with two kinds of materials and print, need use two kinds of shower nozzles to accomplish jointly and print, in current double spray printer, its two shower nozzles generally are located same horizontal plane, when printing, only a shower nozzle work, and another shower nozzle can move along with the motion of work shower nozzle. This phenomenon may cause the non-working heads to possibly scratch with the printed products, thereby reducing the quality of the printed products.

Disclosure of Invention

The utility model discloses a solve among the present double spray printer nonoperational shower nozzle and can cause the problem of cutting to pieces and rubbing to the product, provided an prevent interfering 3D and printed double spray head telecontrol equipment, utilize two shower nozzles of hold-in range control to slide on the slide rail, realize that another shower nozzle of a shower nozzle during operation is higher than the printing plane to prevent that the nonoperational shower nozzle from cutting to pieces and rubbing to the product of printing out, and then improved product quality.

In order to realize the purpose, the technical scheme of the utility model is that:

an anti-interference 3D printing double-nozzle movement device comprises a movement device and nozzles, and further comprises a fixed plate positioned below the movement device and a stepping motor positioned behind the fixed plate, wherein a first synchronous wheel is arranged in front of the fixed plate, a second synchronous wheel is arranged below the first synchronous wheel, a synchronous belt is arranged between the first synchronous wheel and the second synchronous wheel, a rotating shaft of the stepping motor penetrates through the fixed plate and then is fixedly connected with the first synchronous wheel, sliding rails are respectively arranged on the left side and the right side of the first synchronous wheel, and locking devices are arranged on the two sliding rails;

the locking device comprises a sliding block connected with the sliding rail in a sliding mode, a fixed block arranged on the sliding block and a locking block located on one side of the fixed block, the fixed block comprises a back plate connected with the sliding block, a bottom plate used for fixing the spray head and a vertical plate, a through hole for the spray head to penetrate through is formed in the middle of the bottom plate, one side of the vertical plate is fixedly connected with the bottom plate and the back plate, and an arc-shaped bulge is arranged on the lower half portion of the other side of the vertical plate;

the locking block is provided with a plurality of arc teeth that mesh with the hold-in range in the first half, and the arc recess has been seted up to the locking block lower half, passes through the screw connection behind locking block and the riser centre gripping hold-in range.

Further, slide rail and hold-in range parallel arrangement make the direction of motion of shower nozzle unanimous with the direction of motion of hold-in range, and the hold-in range uses less power can stimulate the shower nozzle and slide on the slide rail.

Furthermore, the arc-shaped protrusions arranged on the vertical plate correspond to the arc-shaped grooves in the locking blocks, so that the synchronous belt is locked better.

Furthermore, a fixing hole is formed in one side of the bottom plate, a bolt penetrates through the fixing hole, and the penetrating nozzle is fixed through the bolt, so that the nozzle cannot move up and down.

Furthermore, the stepping motor is fixed at the bottom of the moving device, so that the weight of the fixing plate is reduced.

Furthermore, the second synchronizing wheel is rotatably arranged on the fixed plate, tensions a synchronous belt together with the second synchronizing wheel, and rotates along with the rotation of the first synchronizing wheel.

Through the technical scheme, the beneficial effects of the utility model are that:

the utility model discloses fix the shower nozzle in the hold-in range both sides, utilize two shower nozzles of hold-in range control to slide on the slide rail, realize a during operation, another shower nozzle is raised, and then avoids the non-work shower nozzle to cause to cut the rubbing to the printed product, has improved product quality.

The utility model discloses an adopt locking device to fix the shower nozzle on hold-in range and slide rail, the device simple structure, fixed effect is stable, and is convenient for install and dismantle the shower nozzle.

Drawings

Fig. 1 is an overall assembly schematic diagram of the interference prevention 3D printing dual-nozzle movement device of the present invention;

fig. 2 is a schematic diagram of a fixing plate and upper parts of an anti-interference 3D printing dual-nozzle movement device of the present invention;

fig. 3 is the utility model relates to a prevent interference 3D and print locking device schematic diagram of double spray head telecontrol equipment.

The reference numbers in the drawings are as follows:

the device comprises a moving device 1, a spray head 2, a fixing plate 3, a stepping motor 4, a first synchronizing wheel 5, a second synchronizing wheel 6, a synchronous belt 7, a sliding rail 8, a sliding block 9, a fixing block 10, a back plate 1001, a bottom plate 1002, a vertical plate 1003 and a locking block 11.

Detailed Description

The invention will be further explained with reference to the drawings and the detailed description below:

in the description of the present invention, it is to be understood that the terms "left", "right", "upper", "lower", "lateral", "vertical", and the like, indicate orientations or positional relationships based on the orientation or positional relationships shown in fig. 1, and are 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 therefore, should not be considered as limiting the present invention.

Example one

As shown in fig. 1 to 3, an interference-proof 3D printing dual-nozzle movement device comprises a movement device 1 and a nozzle 2, and further comprises a fixing plate 3 located below the movement device 1 and a stepping motor 4 located behind the fixing plate 3, wherein a first synchronizing wheel 5 is arranged in front of the fixing plate 3, a second synchronizing wheel 6 is arranged below the first synchronizing wheel 5, a synchronous belt 7 is arranged between the first synchronizing wheel 5 and the second synchronizing wheel 6, a rotating shaft of the stepping motor 4 penetrates through the fixing plate 3 and then is fixedly connected with the first synchronizing wheel 5, slide rails 8 are respectively arranged on the left side and the right side of the first synchronizing wheel 5, and two locking devices are respectively arranged on the two slide rails 8;

the locking device comprises a sliding block 9 connected with the sliding rail 8 in a sliding manner, a fixed block 10 arranged on the sliding block 9 and a locking block 11 positioned on one side of the fixed block 10, wherein the fixed block 10 comprises a back plate 1001 connected with the sliding block 9, a bottom plate 1002 used for fixing the spray head 2 and a vertical plate 1003, a through hole for the spray head 2 to pass through is formed in the middle of the bottom plate 1002, one side of the vertical plate 1003 is fixedly connected with the bottom plate 1002 and the back plate 1001, and an arc-shaped bulge is arranged on the lower half part of the other side of the vertical plate 1003;

the upper half of the locking block 11 is provided with a plurality of arc teeth meshed with the synchronous belt 7, the lower half of the locking block 11 is provided with an arc groove, and the locking block 11 and the vertical plate 1003 clamp the synchronous belt 7 and then are connected through screws.

Specifically, slide rail 8 and hold-in range 7 parallel arrangement for the direction of motion of shower nozzle 2 is unanimous with the direction of motion of hold-in range 7, and the frictional force between locking device and the hold-in range 7 reaches the minimum, and consequently locking device can not take place relative motion with hold-in range 7, and then guarantees the precision that 3D printed.

In this embodiment, the arc protrusion on the vertical plate 1003 corresponds to the arc groove on the locking block 11, and the arc protrusion and the arc groove are matched with each other, so as to better fix the locking device on the synchronous belt 7.

In this embodiment, a fixing hole is formed in one side of the bottom plate 1002, a bolt penetrates through the fixing hole, and the nozzle 2 is fixed on the bottom plate 1002 through the bolt so as not to move relative to the bottom plate 1002.

In this embodiment, the stepping motor 4 is fixed at the bottom of the moving device 1, so as to reduce the weight of the fixing plate 3.

In this embodiment, the second synchronizing wheel 6 is rotatably disposed on the fixing plate 3, and the second synchronizing wheel 6 and the first synchronizing wheel 5 jointly tension the synchronous belt 7, so that the second synchronizing wheel 6 can synchronously rotate along with the first synchronizing wheel 5.

Before practical application, please refer to fig. 1 to 3 again, a fixing plate 3, a stepping motor 4 behind the fixing plate 3, a first synchronizing wheel 5 in front of the fixing plate 3, a second synchronizing wheel 6 below the synchronizing wheel, a synchronous belt 7 between the first synchronizing wheel 5 and the second synchronizing wheel 6, a sliding rail 8 on the fixing plate 3 and a sliding block 9 on the sliding rail 8 are sequentially connected, then the synchronous belt 7 is tensioned by adjusting the second synchronizing wheel 6, then two fixing blocks 10 are respectively installed on the two sliding blocks 9, after installation, the two sliding blocks 9 are dragged to the middle position of the sliding rail 8, then the synchronous belt 7 is fixed between a locking block 11 and a vertical plate 1003 through screws, and finally, a nozzle 2 is installed at a through hole of a bottom plate 1002 and a bolt is screwed.

Referring to fig. 1 again, when the left side nozzle 2 works, the stepping motor 4 starts to rotate anticlockwise, the first synchronizing wheel 5 rotates anticlockwise, the synchronous belt 7 and the second synchronizing wheel 6 rotate anticlockwise along the first synchronizing wheel 5, the left side locking device moves downwards along the sliding rail 8 under the pulling of the synchronous belt 7, when the left side nozzle 2 reaches a working height, the stepping motor 4 stops rotating, at the moment, the left side nozzle 2 can normally print, and when the left side locking device moves downwards, the right side locking device moves upwards along the sliding rail 8 under the pulling of the synchronous belt 7, so that the right side nozzle 2 is far away from the working height, and further, the printed products are prevented from being scratched;

when the shower nozzle is switched to the right-hand end shower nozzle 2, the stepping motor 4 firstly rotates back to the initial position, then clockwise rotation is started, the first synchronizing wheel 5 rotates clockwise, the synchronous belt 7 and the second synchronizing wheel 6 rotate clockwise along the first synchronizing wheel 5, the right locking device moves downwards under the pulling of the synchronous belt 7, when the right locking device reaches the working position, the stepping motor 4 stops rotating, the right shower nozzle 2 can normally print at the moment, when the right locking device moves downwards, the left locking device moves upwards along the sliding rail 8 under the pulling of the synchronous belt 7, so that the left shower nozzle 2 is far away from the working height, the utility model discloses, through utilizing the synchronous belt 7 to move in different directions at the left and right sides when rotating, the other shower nozzle 2 is far away from the working height when one shower nozzle 2 works, the problem of rubbing the product caused by the non-working shower nozzle is realized, and the product quality is improved.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that equivalent changes or modifications made by the structure, features and principles of the present invention should be included in the claims of the present invention.

Claims

1. An anti-interference 3D printing double-nozzle movement device comprises a movement device (1) and nozzles (2), and is characterized by further comprising a fixing plate (3) located below the movement device (1) and a stepping motor (4) located behind the fixing plate (3), wherein a first synchronizing wheel (5) is arranged in front of the fixing plate (3), a second synchronizing wheel (6) is arranged below the first synchronizing wheel (5), a synchronous belt (7) is arranged between the first synchronizing wheel (5) and the second synchronizing wheel (6), a rotating shaft of the stepping motor (4) penetrates through the fixing plate (3) and then is fixedly connected with the first synchronizing wheel (5), sliding rails (8) are arranged on the left side and the right side of the first synchronizing wheel (5), and locking devices are arranged on the two sliding rails (8);

the locking device comprises a sliding block (9) in sliding connection with the sliding rail (8), a fixed block (10) arranged on the sliding block (9) and a locking block (11) located on one side of the fixed block (10), the fixed block (10) comprises a back plate (1001) connected with the sliding block (9), a bottom plate (1002) used for fixing the spray head (2) and a vertical plate (1003), a through hole for the spray head (2) to penetrate through is formed in the middle of the bottom plate (1002), one side of the vertical plate (1003) is fixedly connected with the bottom plate (1002) and the back plate (1001), and an arc-shaped protrusion is arranged on the lower half portion of the other side of the vertical plate (1003);

the upper half of the locking block (11) is provided with a plurality of arc-shaped teeth meshed with the synchronous belt (7), the lower half of the locking block (11) is provided with an arc-shaped groove, and the locking block (11) is connected with the vertical plate (1003) through screws after clamping the synchronous belt (7).

2. The anti-interference 3D printing double-nozzle moving device according to claim 1, wherein the sliding rail (8) is arranged in parallel with the synchronous belt (7).

3. The anti-interference 3D printing double-nozzle moving device according to claim 1, wherein the arc-shaped protrusion arranged on the vertical plate (1003) corresponds to the arc-shaped groove arranged on the locking block (11).

4. The anti-interference 3D printing double-nozzle moving device according to claim 1, wherein a fixing hole is formed in one side of the bottom plate (1002), and a bolt is arranged in the fixing hole in a penetrating mode.

5. The anti-interference 3D printing double-nozzle moving device according to claim 1, characterized in that the stepping motor (4) is fixed at the bottom of the moving device (1).

6. The anti-interference 3D printing double-nozzle moving device according to claim 1, wherein the second synchronizing wheel (6) is rotatably arranged on the fixed plate (3).