CN212495398U

CN212495398U - Metal laser 3D printing device

Info

Publication number: CN212495398U
Application number: CN201921985676.5U
Authority: CN
Inventors: 吕忠利; 王崇
Original assignee: Shandong Sandi Shikong 3d Technology Co ltd
Current assignee: SHANDONG CHARMRAY LASER TECHNOLOGY Co.,Ltd.
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2021-02-09
Anticipated expiration: 2029-11-15

Abstract

The utility model relates to the technical field of printing, and discloses a metal laser 3D printing device, a workpiece extrudes a support plate and a spring I, thereby driving the support plate, the spring I and a linkage plate to move downwards, by utilizing the activity effect of the linkage device, the linkage plate drives a linkage rod to rotate in a movable groove I, thereby enabling a first layer of clamping devices above a base of a working box to be close to each other and clamp and fix the workpiece, ensuring the stability of the workpiece in the production process, reducing the damage rate of the workpiece in processing and printing, utilizing the effect of the smooth surface of a movable plate, reducing the damage degree of a clamp to the workpiece, simultaneously, the workpiece extrudes the movable plate to enable the movable plate to start rotating, thereby enabling the movable plate to extrude a spring II, utilizing the transmission effect of a connecting rod I and the linkage device, enabling two clamping plates to start to clamp the workpiece, utilizing the soft characteristic of the clamping plates, being convenient for, the friction effect of the workpiece and the clamping plate enables the clamping plate to better clamp the workpiece.

Description

Metal laser 3D printing device

Technical Field

The utility model relates to a print technical field, specifically be a metal laser 3D printing device.

Background

3D printing (3DP), one of the rapid prototyping technologies, is a technology that constructs an object by printing layer by layer using an adhesive material such as powdered metal or plastic based on a digital model file.

Because 3D is the reason of layer-by-layer processing, the bottom layer of the printed workpiece is unstable due to the weight increase of the workpiece, and the workpiece is damaged in printing and processing.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a metal laser 3D printing device possesses better centre gripping work piece and has reduced advantages such as the spoilage that work piece processing was printed, thereby has solved because the reason of successive layer processing, the work piece bottom is unstable and leads to the work piece to print the problem that processing appears damaging.

(II) technical scheme

For the purpose of realizing above-mentioned better centre gripping work piece and having reduced the spoilage that the work piece processing was printed, the utility model provides a following technical scheme: a metal laser 3D printing device comprises a working box and a clamping device, wherein the clamping device capable of fixing printed objects is arranged in the working box, a movable groove II is formed in the center of a base of the working box, two movable grooves I are formed in the base of the working box, the two movable grooves I are symmetrical by taking the movable groove II as a central point, the two movable grooves I are communicated with the movable groove II, a supporting plate is placed in the movable groove II, the supporting plate is embedded in the movable groove II, a spring I is fixedly installed at the lower end of the supporting plate, a linkage plate is fixedly installed at the middle position of the spring I, a linkage device is arranged in each of the two movable grooves I, a linkage rod is arranged in each of the two movable grooves I, the linkage rods are fixedly connected to the linkage device and can freely rotate in the movable groove I by utilizing the linkage device, each linkage rod is an arc-shaped rod, one end of the linkage rod is fixedly connected to the linkage plate, and the other end of the linkage rod is fixedly connected to the clamping device.

Preferably, the clamping device comprises a fixed plate, one surface of the fixed plate is an arc-shaped concave surface, the arc-shaped concave surface of the fixed plate is provided with a first sliding chute and a second sliding chute, the first sliding chute is positioned at the center of the arc-shaped concave surface of the first sliding chute, the first sliding chute is symmetrical by taking the second sliding chute as a center, the first sliding chute and the second sliding chute both extend into the fixed plate and are communicated with each other inside the fixed plate, a first supporting rod capable of freely sliding in the first sliding chute is arranged in the first sliding chute, the first supporting rod extends to the outside of the arc-shaped concave surface of the clamping device, a clamping plate is fixedly arranged on the first supporting rod, a second spring is fixedly arranged in the second sliding chute, the second spring extends to the outside of the arc-shaped concave surface of the clamping device, a movable plate is fixedly arranged on the second spring, the positioning plate is fixedly connected to the arc-shaped concave surface of the fixing plate.

Preferably, one end of the first support rod, which is located inside the fixed plate, is also movably provided with a first connecting rod through a linkage device, the center of the first connecting rod is movably arranged inside the fixed plate through the linkage device, and one end, which is far away from the first support rod, of the first connecting rod is fixedly connected to a second spring.

Preferably, a limiting rod is installed on each clamping device on the linkage rod, the limiting rod is a bent rod, and each limiting rod is also fixedly provided with a clamping device.

Preferably, two movable grooves III are formed in the inner wall of the working box and in the position matched with the clamping device above the inner wall of the working box, a tension spring is fixedly mounted in each movable groove III, a connecting rod II is fixedly connected to each tension spring, and each connecting rod II is fixedly connected with a fixing plate on the clamping device in the position matched with the fixing plate.

(III) advantageous effects

Compared with the prior art, the utility model provides a metal laser 3D printing device possesses following beneficial effect:

1. this metal laser 3D printing device, the article of printing are placed in the backup pad, when the work piece height and the weight of printing increase, work piece extrusion backup pad and spring one, thereby drive backup pad and spring one and linkage plate downstream, utilize linkage device's activity effect, the linkage plate drives the gangbar at a movable groove internal rotation, thereby make the first layer clamping device of work box base top be close to each other and fixed to the work piece centre gripping, when the work piece is overweight, the tighter of centre gripping, the stability of work piece in the production process has been guaranteed, thereby avoided because the reason of successive layer processing, the work piece bottom is unstable and leads to the work piece to print the processing and appear damaging, the spoilage that work piece processing was printed has been reduced.

2. This metal laser 3D printing device, when utilizing clamping device to press from both sides to get the work piece, utilize the effect of the smooth surface of fly leaf, be convenient for the mutual displacement between work piece and the clamping device, the damage degree of anchor clamps to the work piece has been reduced, work piece extrusion fly leaf makes the fly leaf begin to rotate simultaneously, thereby make fly leaf extrusion spring two, utilize connecting rod one and aggregate unit's transmission effect, make two grip blocks begin to press from both sides the work piece and get, utilize the soft characteristic of grip block, be convenient for press from both sides and get the work piece of more sizes, the frictional force effect of work piece and grip block, the better centre gripping work piece of grip block ability.

3. This metal laser 3D printing device utilizes the elasticity effect of spring two, and work piece extrusion fly leaf and grip block are at ordinary times, and when only the fly leaf received the extrusion, the grip block can continue to extrude centre gripping work piece, otherwise can appear grip block and fly leaf and press from both sides the work piece simultaneously and get, has avoided pressing from both sides to get the too big damage of getting of the clamp of power appearance to the work piece, utilizes the continuous removal of grip block simultaneously, and the work piece of more shapes can be got to the grip block of messenger.

4. This metal laser 3D printing device, when the work piece continues production, along with the increase of work piece height, because lower floor's clamping device's fixed effect, the upper workpiece only need protect can, utilize the spacing and the linkage effect of gag lever post, the gag lever post drives the clamping device on upper strata and is close to each other and two clamping device's on upper strata distance is greater than two clamping device's on lower floor's distance, if the upper strata size of work piece is greater than the lower floor, the clamping device on upper strata can press from both sides the work piece and get fixedly, the stability of work piece has been increased.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic view of the structure of the clamping device of the present invention;

fig. 3 is a schematic view of the internal structure of the clamping device of the present invention.

In the figure: 1 working box, 11 movable groove I, 12 linkage device, 13 movable groove II, 14 movable groove III, 15 supporting plate, 16 spring I, 17 linkage plate, 18 linkage rod, 2 clamping device, 21 fixed plate, 22 chute I, 23 clamping plate, 24 positioning plate, 25 movable plate, 26 spring II, 27 chute II, 28 support rod I, 29 connecting rod I, 3 limiting rod, 4 connecting rod II and 5 tension spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a metal laser 3D printing apparatus includes a work box 1, a clamping device 2 and a linkage device 12, the linkage device 12 is a movable mechanism composed of a connecting rod and a bearing, and for the prior art, no further description is provided herein, the work box 1 is provided with the clamping device 2 capable of fixing a printed object, the clamping device 2 includes a fixing plate 21, one surface of the fixing plate 21 is an arc concave surface, the arc concave surface of the fixing plate 21 is provided with two first sliding chutes 22 and a second sliding chute 27, the second sliding chute 27 is located at the center of the arc concave surface of the first sliding chute 22, the two first sliding chutes 22 are symmetrical with the second sliding chute 27 as the center, the two first sliding chutes 22 and the second sliding chutes 27 both extend into the fixing plate 21 and are communicated with each other inside the fixing plate 21, the first sliding chutes 22 are provided with a first supporting rod 28 capable of freely sliding in the first sliding chutes 22, the first supporting rod 28 extends out of the arc concave surface of the clamping device 2, and, a second spring 26 is fixedly installed in the second sliding groove 27, the second spring 26 extends to the outside of the arc-shaped concave surface of the clamping device 2, a movable plate 25 is fixedly installed on the second spring 26, a positioning plate 24 is movably installed at the lower end of the movable plate 25 through a linkage 12, the positioning plate 24 is fixedly connected to the arc-shaped concave surface of the fixed plate 21, a first connecting rod 29 is also movably installed at one end of the first connecting rod 28, which is located inside the fixed plate 21, through the linkage 12, the center of the first connecting rod 29 is movably installed inside the fixed plate 21 through the linkage 12, and one end of the first connecting rod 29, which is far away from the first connecting rod.

A movable groove II 13 is formed in the center of the base of the working box 1, two movable grooves I11 are further formed in the base of the working box 1, the two movable grooves I11 are symmetrical by taking the movable groove II 13 as a central point, the two movable grooves I11 are communicated with the movable groove II 13, a supporting plate 15 is placed in the movable groove II 13, the supporting plate 15 is embedded in the movable groove II 13, a spring I16 is fixedly installed at the lower end of the supporting plate 15, and a linkage plate 17 is fixedly installed in the middle of the spring I16;

the two first movable grooves 11 are internally provided with a linkage device 12, the two first movable grooves 11 are internally provided with a linkage rod 18, the linkage rod 18 is fixedly connected to the linkage device 12 and can freely rotate in the first movable grooves 11 by utilizing the linkage device 12, the linkage rod 18 is an arc-shaped rod, one end of the linkage rod 18 is fixedly connected to a linkage plate 17, and the other end of the linkage rod 18 is fixedly connected to a fixing plate 21 of the clamping device 2.

The limiting rod 3 is arranged on the clamping device 2 on each linkage rod 18, the limiting rod 3 is a bent rod, and the clamping device 2 is fixedly arranged on each limiting rod 3.

Two movable grooves III 14 are formed in the inner wall of the working box 1 and in the positions matched with the clamping devices 2 above the working box, a tension spring 5 is fixedly installed in each movable groove III 14, a connecting rod II 4 is fixedly connected to each tension spring 5, and each connecting rod II 4 is fixedly connected with a fixing plate 21 on the clamping devices 2 in the matched positions.

When the device is used, printed articles are placed on the supporting plate 15, when the height and weight of a printed workpiece are increased, the workpiece extrudes the supporting plate 15 and the spring I16, so that the supporting plate 15, the spring I16 and the linkage plate 17 are driven to move downwards, the linkage plate 17 drives the linkage rod 18 to rotate in the movable groove I11 by utilizing the movable effect of the linkage device 12, so that the first layer of clamping devices 2 above the base of the working box 1 are close to each other and clamp and fix the workpiece, when the workpiece is heavier, the clamping is tighter, the stability of the workpiece in the production process is ensured, the damage of the workpiece to be printed and processed due to the instability of the bottom layer of the workpiece caused by the reason of layer-by-layer processing is avoided, the damage rate of the workpiece to be processed and printed is reduced, meanwhile, when the workpiece is clamped by utilizing the clamping devices 2, the effect of the smooth surface of the movable plate 25 is utilized, meanwhile, the workpiece presses the movable plate 25 to rotate the movable plate 25, so that the movable plate 25 presses the second spring 26, the two clamping plates 23 start to clamp the workpiece by using the transmission effect of the first connecting rod 29 and the linkage device 12, the workpiece is conveniently clamped by using the soft characteristic of the clamping plates 23, the workpiece and the clamping plates 23 have friction effect, the clamping plates 23 can better clamp the workpiece, meanwhile, by using the elastic effect of the second spring 26, when the workpiece presses the movable plate 25 to be level with the clamping plates 23, when only the movable plate 25 is pressed, the clamping plates 23 can continuously press and clamp the workpiece, otherwise, the clamping plates 23 and the movable plate 25 can simultaneously clamp the workpiece, the clamping damage to the workpiece due to overlarge clamping force is avoided, and meanwhile, by using the continuous movement of the clamping plates 23, the clamping plates 23 can clamp the workpiece with more shapes, when the workpiece continues to be produced, along with the increase of work piece height, because lower floor's clamping device 2 fixed effect, the upper workpiece only need protect can, utilize gag lever post 3 spacing and linkage effect, gag lever post 3 drives the clamping device 2 on upper strata and is close to each other and two clamping device's on upper strata distance is greater than two clamping device's on lower floor distance, if the upper strata size of work piece is greater than the lower floor, clamping device 2 on upper strata can press from both sides the work piece and get fixedly, has increased the stability of work piece.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a metal laser 3D printing device, includes work box (1) and clamping device (2), set up in work box (1) and can be with printing fixed clamping device (2) of article, its characterized in that: a movable groove II (13) is formed in the center of the base of the working box (1), two movable grooves I (11) are further formed in the base of the working box (1), the two movable grooves I (11) are symmetrical by taking the movable groove II (13) as a central point, the two movable grooves I (11) are communicated with the movable groove II (13), a supporting plate (15) is placed in the movable groove II (13), the supporting plate (15) is embedded in the movable groove II (13), a spring I (16) is fixedly installed at the lower end of the supporting plate (15), and a linkage plate (17) is fixedly installed in the middle of the spring I (16);

linkage devices (12) are arranged in the two first movable grooves (11), linkage rods (18) are arranged in the two first movable grooves (11), the linkage rods (18) are fixedly connected to the linkage devices (12) and can freely rotate in the first movable grooves (11) by means of the linkage devices (12), the linkage rods (18) are arc-shaped rods, one ends of the linkage rods (18) are fixedly connected to the linkage plate (17), and the other ends of the linkage rods (18) are fixedly connected to the clamping devices (2).

2. The metal laser 3D printing device according to claim 1, wherein: the clamping device (2) comprises a fixing plate (21), one surface of the fixing plate (21) is an arc concave surface, the arc concave surface of the fixing plate (21) is provided with a first sliding chute (22) and a second sliding chute (27), the second sliding chute (27) is positioned at the center of the arc concave surface of the first sliding chute (22), the first sliding chute (22) is symmetrical by taking the second sliding chute (27) as the center, the first sliding chute (22) and the second sliding chute (27) both extend into the fixing plate (21) and are communicated with each other inside the fixing plate (21), a first support rod (28) capable of freely sliding in the first sliding chute (22) is arranged in the first sliding chute (22), the first support rod (28) extends out of the arc concave surface of the clamping device (2), and the first support rod (28) is fixedly provided with a clamping plate (23);

fixed mounting has spring two (26) in the spout two (27), spring two (26) extend to the outside of the arc concave surface of clamping device (2) and fixed mounting has fly leaf (25) on spring two (26), the lower extreme of fly leaf (25) utilizes linkage (12) movable mounting to have locating plate (24), locating plate (24) fixed connection is on the arc concave surface of fixed plate (21).

3. The metal laser 3D printing device according to claim 2, wherein: one end of the first support rod (28) located inside the fixing plate (21) is also movably provided with a first connecting rod (29) through a linkage device (12), the center of the first connecting rod (29) is movably arranged inside the fixing plate (21) through the linkage device (12), and one end, far away from the first support rod (28), of the first connecting rod (29) is fixedly connected to a second spring (26).

4. The metal laser 3D printing device according to claim 1, wherein: and a limiting rod (3) is arranged on the clamping device (2) on each linkage rod (18), the limiting rod (3) is a bent rod, and the clamping devices (2) are fixedly arranged on each limiting rod (3) in the same way.

5. The metal laser 3D printing device according to claim 1, wherein: two movable grooves three (14), every are seted up with the position of the clamping device (2) looks adaptation of top to the inner wall of work box (1) movable groove three (14) internal fixed mounting has extension spring (5), every fixedly connected with connecting rod two (4) on extension spring (5), every fixed plate (21) fixed connection on connecting rod two (4) and the clamping device (2) of looks adaptation position.