CN219095925U - 3D printer - Google Patents

Abstract

The utility model provides a 3D printer, which relates to the technical field of 3D printing, and comprises a three-way track, a driving device, a carrying disc, a moving track, a plurality of groups of connecting pieces and a vibration buffer, wherein the driving device is respectively corresponding to the three-way track, the carrying disc is positioned below a spray head. The moving tracks are distributed below the carrying disc in pairs, and the driving device drives the carrying disc to linearly move along the moving tracks. The multiple groups of connecting pieces are arranged below the carrying disc, rollers are symmetrically arranged on two sides of the carrying disc, are movably connected with the moving track and are connected with the connecting pieces through transmission shafts. The vibration buffers are distributed below the carrying disc and are respectively arranged at the tops of the connecting piece and the transmission shaft. Through gyro wheel and drive arrangement cooperation use for carry thing dish stable displacement, and alleviate the vibration of gyro wheel motion in-process through vibration buffer, further improve the printing effect.

Description

3D printer

Technical Field

The utility model relates to the technical field of 3D printing, in particular to a 3D printer.

Background

The printer is mainly used for printing the computer model into an entity, and vibration of the printer causes vibration patterns of an object after the printing is finished in the printing process, so that the attractiveness of the object is affected. There are various vibration causes, in which the movement of the printer is achieved by movement of the roller and the rail, and the roller is easily stuck on the rail and vibrates, thereby affecting the printing effect.

Disclosure of Invention

The utility model aims to: the present utility model is directed to the above drawbacks and provides a 3D printer to solve the above problems of the prior art.

The technical scheme is as follows: the utility model provides a 3D printer, includes the three-way track, respectively with the drive arrangement of three-way track corresponds to and be located the year thing dish of shower nozzle below, its characterized in that still includes removal track, multiunit connecting piece and vibration buffer.

The moving tracks are distributed below the carrying disc in pairs, and the driving device drives the carrying disc to linearly move along the moving tracks.

The multiple groups of connecting pieces are arranged below the carrying disc, rollers are symmetrically arranged on two sides of the carrying disc, are movably connected with the moving track and are connected with the connecting pieces through transmission shafts.

The vibration buffers are distributed below the carrying disc and are respectively arranged at the tops of the connecting piece and the transmission shaft.

In a further embodiment, an outer casing matched with the vibration damper is arranged in the middle of the connecting piece, and the lower end of the connecting piece extends to two sides and is connected with the transmission shaft.

In a further embodiment, the jounce bumper includes a plurality of fixed blocks, rollers, and a magnet. The fixing blocks are coaxially arranged in an array manner; the roller is embedded in the lower surface of the inside of the fixed block, a rolling groove corresponding to the roller is formed in the fixed block, and the connecting surfaces of the fixed block are mutually matched; the magnet is arranged inside the fixed blocks, and the fixed blocks are mutually adsorbed in sequence.

In a further embodiment, the rollers are distributed in a circumferential array about the center of the fixed block.

In a further embodiment, the movement track is connected by a connection frame and is arranged at a distance from the carrying tray.

In a further embodiment, the drive shaft top is provided with a distance from the carrying tray.

In a further embodiment, the outer housing extends laterally to form a connection plate, and a vibration sensor is arranged below the connection plate, and the vibration sensor is arranged opposite to the moving track.

The beneficial effects are that: the utility model provides a 3D printer, wherein a vibration buffer is arranged on a roller on a carrying disc, and when the carrying disc is driven to move by a driving device, vibration of the roller in moving along a moving track is relieved by the vibration buffer, so that the influence of the vibration of the roller on a printing effect is reduced. Specifically, through multiunit fixed block combination use, use through magnet and roller cooperation between the fixed block for form detachable connection between the fixed block, the fixed block top is connected with carrying the thing dish, thereby the fixed block receives the produced vibration of gyro wheel to take place the displacement, automatic re-setting under the absorption of magnet, converts vibration transmission into the displacement of fixed block, and the fixed block top remains, thereby alleviates the vibration transmission to carrying the thing dish. Vibration of the carrying disc in the moving process is monitored through a vibration sensor arranged between the carrying disc and the moving track, so that the printer can be adjusted in time.

Drawings

Fig. 1 is an overall construction diagram of the present utility model.

Fig. 2 is a schematic structural view of a tray according to the present utility model.

Fig. 3 is a schematic diagram of a structure of a vibration damper according to the present utility model.

Fig. 4 is a split view of a jounce bumper according to the present utility model.

Fig. 5 is a half cross-sectional view of a jounce bumper in accordance with the present utility model.

The reference numerals in the drawings are as follows: three-way track 1, drive 2, carrying tray 3, moving track 4, connecting piece 5, outer housing 501, gyro wheel 6, transmission shaft 7, vibration damper 8, fixed block 801, roller 802, magnet 803, rolling groove 804, connecting frame 9, vibration sensor 10.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.

Embodiment one:

the applicant researches find that vibration marks easily appear in the printing process of the existing 3D printer, the beauty of the printed real object is affected, and vibration of the roller is one of reasons for generating the vibration marks.

Therefore, the present embodiment provides a 3D printer, which includes a three-way track 1, which is a linear track of Z, X, Y directions, and the track is used with a roller 6 and other mechanisms in cooperation, so as to realize movement in three-dimensional directions, wherein the track in each direction is respectively provided with a corresponding driving device 2, so as to provide a movement driving force, and the driving device 2 can be a belt transmission device or the like. In 3D printing, the movement of the head and the tray 3 is mainly relied on to perform work. Wherein the moving rails 4 in the X direction are arranged in pairs below the carrying tray 3, and the driving device 2 drives the carrying tray 3 to linearly displace along the moving rails 4. The connecting piece 5 and the roller 6 are used in groups, are uniformly distributed along the lower part of the carrying disc 3, are at least two groups, each group of the roller 6 is movably connected with the moving track 4 and is connected with the connecting piece 5 through the transmission shaft 7, and a gap exists between the connecting piece 5 and the upper surface of the moving track 4. Through connecting piece 5 symmetric distribution in the removal track 4 both sides, when drive arrangement 2 carried thing dish 3 displacement, the gyro wheel 6 of both sides was rolled along removal track 4, and vibration buffer 8 set up respectively at the top of connecting piece 5 to and the top of transmission shaft 7, vibration buffer 8 top is connected with the lower surface of carrying thing dish 3, and removal track 4 passes through connection frame 9 to be connected, and connection frame 9 supports whole 3D printer, and passes through. When vibration is generated during rolling operation, the vibration buffer 8 cuts off the vibration transmission between the connecting frame 9 and the carrying tray 3, so that the transmission of vibration force to the carrying tray 3 is reduced.

The connecting piece 5 middle part is provided with vibration buffer 8 assorted shell body 501, and shell body 501 and the whole clearance fit of vibration buffer 8, shell body 501 protect vibration buffer 8 to for vibration buffer 8 provides working space, shell body 501 lower extreme extends to two sides and transmission shaft 7 fixed connection, and gyro wheel 6 rolls in transmission shaft 7 end, plays the effect of direction.

The vibration damper 8 includes a plurality of fixed blocks 801, rollers 6, rolling grooves 804, and a magnet 803. The fixing blocks 801 are coaxially arranged in an array, and the fixing blocks 801 are mutually adsorbed in a sequential arrangement; the roller 802 is embedded in the fixed block 801, and a rolling groove 804 corresponding to the roller 802 is formed in the fixed block 801.

The fixing blocks 801 are provided with at least three groups, and are mutually adsorbed by the magnet 803 to form a detachable integral body. According to the characteristic of opposite attraction of the magnet 803, the magnet 803 is arranged inside the fixing block 801, so that the fixing blocks 801 can be sequentially attracted to each other when being close to each other. The rollers 802 are disposed between the two fixed blocks 801, rolling grooves 804 for placing the rollers 802 are disposed on the surface of the fixed blocks 801, and the rolling grooves 804 and the rollers 802 are mutually engaged after the rollers 802 are adsorbed. The top of the vibration buffer 8 is fixedly connected with the carrying tray 3, namely, the uppermost fixing block 801 is fixedly connected with the carrying tray 3, and the lowermost fixing blocks 801 are respectively arranged in the outer shell 501 and sleeved on the transmission shaft 7 according to different connected parts. When the roller 6 vibrates, vibration is respectively transmitted to the lowest fixed blocks 801 through the outer shell 501, the fixed blocks 801 vibrate together with the outer shell 501, the magnet 803 between the fixed blocks 801 is mutually adsorbed, so that the fixed blocks 801 are mutually displaced, the fixed blocks 801 are mutually contacted through the rollers 802, the fixed blocks 801 are mutually displaced under the action of vibration force under the combined action of the rollers 802 and the magnet 803, the vibration force is automatically reset under the action of an electromagnet, the displacement between the vibration force and the fixed blocks 801 is digested, and the transmission of the vibration force is reduced. The top fixed block 801 is connected with the carrying tray 3, and the fixed block 801 in the middle keeps motionless all the time when the fixed block 801 in the top is displaced.

Embodiment two:

the driving device 2 for driving the carrying disc 3 to move is preferably a ball screw, the lower surface of the carrying disc 3 is fixedly connected with the ball, the screw drives the carrying disc 3 to move linearly, and at the moment, the driving device 2 provides a certain support for the carrying disc 3. When the displacement is affected between the fixing blocks 801, the driving device 2 keeps the position of the carrying tray 3, so that the vibration of the fixing blocks 801 is reduced, and the carrying tray 3 is kept stable.

The moving rail 4 is connected by a connecting frame 9 and is provided at a distance from the loading tray 3. The top of the transmission shaft 7 is provided with a distance from the carrying tray 3. The distance between the moving track 4 and the carrying disc 3 and the distance between the top of the transmission shaft 7 and the carrying disc 3 are equal to the height of the vibration buffer 8, and a working space is provided for the vibration buffer.

The outer housing 501 extends laterally to form a connection plate under which the vibration sensor 10 is disposed. The vibration sensor 10 adopts KS76C10 general type, its overall height 17mm, and vibration sensor 10 sets up with moving track relatively, and vibration sensor 10 detection end is close to moving track 4, and when carrying thing dish 3 displacement, vibration sensor 10 carries out vibration monitoring to moving track 4, further judges the vibration condition in the roll motion process to in time adjusting device.

As described above, although the present utility model has been shown and described with reference to certain preferred embodiments, it is not to be construed as limiting the utility model itself. Various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (7)

1. The utility model provides a 3D printer, includes three-way track to and be located the year thing dish of shower nozzle below, its characterized in that still includes:

the moving tracks are distributed below the carrying discs in pairs, and the driving device drives the carrying discs to linearly move along the moving tracks;

the plurality of groups of connecting pieces are arranged below the carrying disc, rollers are symmetrically arranged on two sides of the carrying disc, and are movably connected with the moving track and connected with the connecting pieces through transmission shafts;

and the vibration buffers are distributed below the carrying disc and are respectively arranged at the tops of the connecting piece and the transmission shaft.

2. A 3D printer according to claim 1, wherein the middle part of the connecting piece is provided with an outer casing matched with the vibration buffer, and the lower end extends to two sides and is connected with the transmission shaft.

3. A 3D printer according to claim 1, wherein the vibration damper comprises:

the fixed blocks are coaxially arranged in an array manner;

the roller is embedded in the fixed block, and the connecting surfaces of the fixed blocks are mutually matched;

and the magnet is arranged inside the fixed blocks, and the fixed blocks are mutually adsorbed in sequence.

4. A 3D printer according to claim 3, wherein the rollers are distributed in a circumferential array about the centre of the fixed block.

5. A 3D printer according to claim 1, wherein the movement track is connected by a connection frame and is arranged at a distance from the carrying tray.

6. A 3D printer according to claim 1, wherein the top of the drive shaft is located at a distance from the tray.

7. The 3D printer of claim 2, wherein the outer housing extends laterally to form a connection plate, and a vibration sensor is disposed below the connection plate, and the vibration sensor is disposed opposite to the moving track.

Images