CN211135406U

CN211135406U - Lifting mechanism of 3D printing sand box

Info

Publication number: CN211135406U
Application number: CN201921960409.2U
Authority: CN
Inventors: 刘中兴; 吴阳; 王洪毅; 刘印
Original assignee: Zhengzhou Zhongxing 3d Technology Co ltd
Current assignee: Zhengzhou Zhongxing 3d Technology Co ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-07-31
Anticipated expiration: 2029-11-13

Abstract

The utility model relates to a lifting mechanism of 3D printing sand box, including sand box body, lifting unit and lifting frame, lifting unit is all established to the both sides of sand box body, lifting frame locates the inside of sand box body, lifting frame's both ends are connected the sand box body through lifting unit, the last slide rail that corresponds with lifting unit that establishes of sand box body; the lifting assembly comprises a base, a driving motor, a ball screw pair and a sliding frame, the base is arranged at the bottom of the sand box body, the driving motor and the ball screw pair are both arranged at the upper end of the base, an output shaft of the driving motor is connected with the bottom of the ball screw pair through a chain gear, the sliding frame is sleeved outside the ball screw pair, and the lifting frame is slidably connected with the sand box body through the sliding frame; the utility model provides an elevating system, the inside drawing die frame of sand box body reciprocates at the sand box originally internally through elevating system, keeps the stationarity of drawing die in-process, ensures the effect that the successive layer of sand mould printed.

Description

Lifting mechanism of 3D printing sand box

Technical Field

The utility model belongs to the technical field of 3D prints, concretely relates to 3D prints elevating system of sand box.

Background

The casting industry belongs to labor-intensive, high-energy-consumption and high-pollution industries, and needs to intensively research, adopt and popularize advanced casting technologies and introduce other advanced technologies, so that the current situation of the casting industry is changed by seeking a combination point of the advanced technologies, and the development of the casting industry to low energy consumption, low pollution and high quality is realized.

3D printing technology has developed to this day, and its center of development has shifted from 3D printing prototypes to rapid manufacturing and rapid direct manufacturing of metal parts. The 3D printing technology is not only applied to a design process, but also extends to the manufacturing field. In the manufacturing industry, the main factor limiting the time of product market is the design and manufacturing time of the mold and the model, and 3D printing is an auxiliary means for rapid design.

At the printing in-process of domestic current 3D equipment, adopt and reciprocate print frame or reciprocate the work box and print, when adopting to remove print frame and print, equipment overall power consumption is great, and print frame is last to be constructed more, reciprocates inconveniently, so adopt to reciprocate the work box and print more rationally, but the oscilaltion device that nevertheless adopts at present is unstable at operation in-process structure, leads to the work box not very stable when printing, is unfavorable for the shaping of model, influences the printing effect.

Disclosure of Invention

The utility model aims at solving the problem that proposes among the background art, and provide a stationarity that keeps the drawing of patterns in-process, ensures the successive layer of sand mould and prints the 3D of effect and print the elevating system of sand box.

The purpose of the utility model is realized like this:

A lifting mechanism of a 3D printing sand box comprises a sand box body, lifting components and a lifting frame, wherein the lifting components are arranged on two sides of the sand box body, the lifting frame is arranged in the sand box body, two ends of the lifting frame are connected with the sand box body through the lifting components, and slide rails corresponding to the lifting components are arranged on the sand box body;

The lifting assembly comprises a base, a driving motor, a ball screw pair and a sliding frame, the base is arranged at the bottom of the sand box body, the driving motor and the ball screw pair are arranged at the upper end of the base, an output shaft of the driving motor is connected with the bottom of the ball screw pair through a chain gear, the sliding frame is sleeved outside the ball screw pair, and the mold lifting frame is connected with the sand box body through the sliding frame in a sliding mode.

Furthermore, the sand box body comprises placing frames symmetrically arranged at two ends of the sand box body and an inner frame arranged between the two placing frames, the lifting assembly is arranged in the placing frames, and the mold lifting frame is arranged in the inner frame.

Furthermore, reinforcing ribs are arranged on two sides of the outer portion of the inner frame, which are different from the placing frame.

Further, the carriage is "ten" style of calligraphy structure, the carriage includes logical groove, support and link, two supports are established to the both ends symmetry that lead to the groove perpendicularly on the carriage, the carriage is kept away from the one end that leads to the groove and is established the link, the carriage passes through logical groove and connects the vice nut of ball screw.

Furthermore, one end of the inner frame, which corresponds to the placing frame, is provided with a long groove, the slide rails are arranged on two sides of the long groove, and the connecting frame of the sliding frame penetrates through the long groove to be connected with the die lifting frame.

Furthermore, a sliding block matched with the sliding rail is arranged on the support, and two ends of the sliding frame are connected with the sliding rail in a sliding mode through the sliding block.

Furthermore, the drawing frame is a square frame with a plurality of square grids which are uniformly arranged.

Furthermore, four groups of lifting assemblies are arranged in the sand box body, and the four groups of lifting assemblies are symmetrically arranged in the placing racks at two ends of the sand box body.

Further, the rack includes stand and roof, four are established to the stand, the upper end of sand box body bottom is located to four stand symmetries, the top of four stands is located to the roof.

Furthermore, the inner frame is of a square frame structure with an opening at the upper end, the baffles are arranged on two sides of the inner frame in the length direction, the side plates are arranged on two sides of the inner frame in the height direction, the long grooves are formed in the side plates, and the reinforcing ribs are arranged outside the baffles.

Furthermore, the reinforcing rib comprises two supporting rods which are arranged in a crossed mode, the centers of the two supporting rods are arranged in a crossed and penetrating mode, and fixed right-angle steel frames are arranged at four opposite angles of the crossed position of the two supporting rods.

Furthermore, the output end of the driving motor is connected with a sprocket through a speed reducing motor.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. The utility model provides a pair of 3D prints elevating system of sand box, the inside drawing die carrier of sand box body reciprocates in the sand box body through elevating system, keeps the stationarity of drawing die in-process, ensures the effect that the successive layer of sand mould printed.

2. The utility model provides a pair of elevating system of 3D printing sand box, driving motor's output shaft passes through the drive sprocket and then drives the vice ball of ball and rotate, thereby the slide frame that drives and be connected with the nut slides about the slide rail, the sprocket of lead screw bottom installation is 90 degrees intermeshing installations with the sprocket of driving motor axial region installation, play the effect of switching-over under driving motor's effect, there is screw-nut on the lead screw, the lift of rotation regulation screw-nut of accessible lead screw, the carriage cooperates and then adjusts the inside mould frame of sand box height in vertical side with screw-nut.

3. The utility model provides a pair of 3D prints elevating system of sand box, the outside of sand box body is equipped with the strengthening rib, can strengthen the fastness of sand box body, keeps the stability of sand mould at the casting mould in-process.

Drawings

Fig. 1 is the utility model discloses a lifting mechanism structure sketch map of 3D printing sand box.

FIG. 2 is the utility model discloses a lifting mechanism elevation view of 3D prints sand box

Fig. 3 is the utility model discloses a lifting mechanism right side view of 3D printing sand box.

Fig. 4 is the utility model discloses a lifting mechanism top view of 3D prints sand box.

Fig. 5 is the utility model discloses a drawing die frame schematic diagram in elevating system of 3D printing sand box.

Fig. 6 is the utility model discloses a lifting unit schematic diagram in 3D prints elevating system of sand box.

Figure 7 is the utility model discloses a lifting unit rear view in 3D prints elevating system of sand box.

Fig. 8 is a carriage diagram of a lifting mechanism of a 3D printing flask according to the present invention.

In the figure: 1. a flask body; 11. placing a rack; 12. an inner frame; 13. a long groove; 14. reinforcing ribs; 2. a lifting assembly; 21. a base; 22. a drive motor; 23. a sprocket gear; 24. a ball screw pair; 25. a carriage; 251. a through groove; 252. a support; 253. a slider; 254. a connecting frame; 3. pulling the mold frame; 4. a slide rail.

Detailed Description

The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention.

Example 1

As shown in fig. 1-6, a lifting mechanism of a 3D printing sand box comprises a sand box body 1, lifting assemblies 2 and a mold lifting frame 3, wherein the lifting assemblies 2 are arranged on two sides of the sand box body 1, the mold lifting frame 3 is arranged inside the sand box body 1, the mold lifting frame 3 is a square frame with a plurality of uniformly arranged square grids, two ends of the mold lifting frame 3 are connected with the sand box body 1 through the lifting assemblies 2, slide rails 4 corresponding to the lifting assemblies 2 are arranged on the sand box body 1, four groups of the lifting assemblies 2 are arranged on the lifting assemblies 2, and the four groups of the lifting assemblies 2 are symmetrically arranged in placing frames 11 at two ends of the sand box body 1.

The sand box comprises a sand box body 1, a plurality of lifting assemblies 2, a sand box body and a plurality of mould lifting frames 3, wherein the sand box body 1 comprises placing frames 11 symmetrically arranged at two ends of the sand box body 1 and an inner frame 12 arranged between the two placing frames 11, reinforcing ribs 14 are arranged on two sides of the outer portion of the inner frame 12, which are different from the placing frames 11, the lifting assemblies 2 are arranged in the placing frames 11, the mould lifting frames 3 are arranged in the inner frame 12, the placing frames comprise stand columns and top plates, the four stand columns are arranged on the stand columns, the four stand.

The inner frame is of a square frame structure with an opening at the upper end, the two sides of the inner frame in the length direction are provided with baffle plates, the two sides of the inner frame in the height direction are provided with side plates, the long grooves are formed in the side plates, and the reinforcing ribs are arranged outside the baffle plates.

The reinforcing rib comprises two supporting rods which are arranged in a crossed mode, the centers of the two supporting rods are arranged in a crossed mode in a penetrating mode, and fixed right-angle steel frames are arranged at four opposite angles of the crossed position of the two supporting rods.

An elongated slot 13 is formed in one end, corresponding to the placing rack 11, of the inner frame 12, the slide rails 4 are arranged on two sides of the elongated slot 13, and the connecting frame 254 of the sliding frame 25 penetrates through the elongated slot 13 to be connected with the die-lifting frame 3.

Example 2

As shown in fig. 6-8, the lifting assembly 2 includes a base 21, a driving motor 22, a ball screw pair 24 and a sliding frame 25, the base 21 is disposed at the bottom of the flask body 1, the driving motor 22 and the ball screw pair 24 are both disposed at the upper end of the base 21, an output shaft of the driving motor 22 is connected to the bottom of the ball screw pair 24 through a sprocket 23, the sliding frame 25 is sleeved outside the ball screw pair 24, and the mold lifting frame 3 is slidably connected to the flask body 1 through the sliding frame 25.

The sliding frame 25 is a cross-shaped structure, the sliding frame 25 comprises a through groove 251, supports 252 and a connecting frame 254, two supports 252 are symmetrically arranged at two ends of the vertical through groove 251 on the sliding frame, the connecting frame 254 is arranged at one end, far away from the through groove 251, of the sliding frame 25, the sliding frame 25 is connected with a nut of the ball screw pair 24 through the through groove 251, a sliding block 253 matched with the sliding rail 4 is arranged on the support 252, and two ends of the sliding frame 25 are connected with the sliding rail 4 through the sliding block 253 in a sliding mode.

The output shaft of driving motor 22 passes through drive sprocket 23 and then drives the ball of ball pair 24 and rotates, thereby drive the carriage 25 that is connected with the nut and slide from top to bottom at the slide rail, the sprocket of lead screw bottom installation is 90 degrees intermeshing installation with the sprocket of driving motor axial region installation, play the effect of switching-over under driving motor 22's effect, there is screw-nut on the lead screw, the lift of accessible lead screw nut is adjusted in the rotation of accessible lead screw, carriage 25 and screw-nut cooperation and then adjust the inside die carrier 3 height of sand box in vertical side.

Above only be the preferred embodiment of the present invention, not be used for limiting the utility model discloses, the all be in the utility model discloses an any modification of doing in the protection scope, equal replacement etc. all should be contained within the protection scope of the utility model.

Claims

1. The utility model provides a lifting mechanism of 3D printing sand box which characterized in that: the sand box comprises a sand box body (1), lifting components (2) and a lifting die carrier (3), wherein the lifting components (2) are arranged on two sides of the sand box body (1), the lifting die carrier (3) is arranged in the sand box body (1), two ends of the lifting die carrier (3) are connected with the sand box body (1) through the lifting components (2), and slide rails (4) corresponding to the lifting components (2) are arranged on the sand box body (1);

The sand box lifting mechanism is characterized in that the lifting assembly (2) comprises a base (21), a driving motor (22), a ball screw pair (24) and a sliding frame (25), the base (21) is arranged at the bottom of the sand box body (1), the driving motor (22) and the ball screw pair (24) are arranged at the upper end of the base (21), an output shaft of the driving motor (22) is connected with the bottom of the ball screw pair (24) through a chain gear (23), the sliding frame (25) is sleeved outside the ball screw pair (24), and the mold lifting frame (3) is connected with the sand box body (1) in a sliding mode through the sliding frame (25).

2. The lifting mechanism of a 3D printing flask of claim 1, wherein: the sand box body (1) comprises placing frames (11) symmetrically arranged at two ends of the sand box body (1) and an inner frame (12) arranged between the two placing frames (11), the lifting assembly (2) is arranged in the placing frames (11), and the mold lifting frame (3) is arranged in the inner frame (12).

3. The lifting mechanism of a 3D printing flask of claim 2, wherein: reinforcing ribs (14) are arranged on two sides of the outer part of the inner frame (12) different from the placing frame (11).

4. The lifting mechanism of a 3D printing flask of claim 2, wherein: the sliding frame (25) is of a cross-shaped structure, the sliding frame (25) comprises a through groove (251), a support (252) and a connecting frame (254), the two ends of the vertical through groove (251) on the sliding frame (25) are symmetrically provided with the two supports (252), one end of the sliding frame (25) far away from the through groove (251) is provided with the connecting frame (254), and the sliding frame (25) is connected with a nut of the ball screw pair (24) through the through groove (251).

5. The lifting mechanism of a 3D printing flask of claim 4, wherein: an elongated slot (13) is formed in one end, corresponding to the placing frame (11), of the inner frame (12), the sliding rails (4) are arranged on two sides of the elongated slot (13), and the connecting frame (254) of the sliding frame (25) penetrates through the elongated slot (13) to be connected with the die lifting frame (3).

6. The lifting mechanism of a 3D printing flask of claim 4, wherein: establish slider (253) with slide rail (4) looks adaptation on support (252), the both ends of carriage (25) are through slider (253) sliding connection slide rail (4).

7. The lifting mechanism of a 3D printing flask of claim 1, wherein: the drawing frame (3) is a square frame with a plurality of square grids which are uniformly arranged.

8. The lifting mechanism of a 3D printing flask according to claim 1 or 2, wherein: four groups of lifting components (2) are arranged, and the four groups of lifting components (2) are symmetrically arranged in the placing racks (11) at the two ends of the sand box body (1).