CN211101466U

CN211101466U - Screw rod transmission device for sand box

Info

Publication number: CN211101466U
Application number: CN201921960408.8U
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: 2020-07-28
Anticipated expiration: 2029-11-13

Abstract

The utility model relates to a screw drive device for sand box, including the sand box body, including base, driving motor, ball screw pair and carriage, sand box body bottom is located to the base, the upper end of base is all located to driving motor and ball screw pair, driving motor's output shaft passes through the vice bottom of sprocket connection ball screw, the carriage is including leading to groove, support and link, the carriage is through leading to the vice nut of groove connection ball screw, the utility model provides an elevating system through mutually supporting of ball screw pair and slide rail, adjusts the high lift of the inside mould frame of sand box in vertical side, can improve the stability of work box at the printing in-process, strengthens the printing effect.

Description

Screw rod transmission device for sand box

Technical Field

The utility model belongs to the technical field of the 3D prints, concretely relates to a screw rod transmission for 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, influences the printing effect.

Disclosure of Invention

The utility model aims at solving the problem in the background art, and providing a screw rod transmission device for a sand box.

The purpose of the utility model is realized like this:

the utility model provides a screw drive device for sand box, includes the sand box body, including base, driving motor, ball screw pair and carriage, sand box body bottom is located to the base, the upper end of base is all located to driving motor and ball screw pair, driving motor's output shaft passes through the vice bottom of sprocket connection ball screw, the carriage includes logical groove, support and link, the carriage passes through the vice nut of leading to groove connection ball screw.

Furthermore, the bottom of the ball screw pair is connected with a sprocket through a support bearing, and the support bearing is fixedly connected with the base.

Furthermore, the driving motor is connected with the base through a limiting support, and the output end of the driving motor is meshed with the sprocket.

Further, the carriage is "ten" style of calligraphy, two supports are established to the both ends symmetry that the groove led to perpendicularly on the carriage, the carriage is kept away from the one end that leads to the groove and is established the link.

Furthermore, two slide rails are arranged in the height direction of the sand box body.

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

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

Furthermore, the lifting mechanisms are arranged in two groups, and the two groups of lifting mechanisms are symmetrically arranged on the sand box body.

Further, the sand box body is of a frame structure with an upper opening and a lower opening.

Furthermore, the connecting frame is connected with a movable frame, the movable frame is arranged inside the sand box body, and the movable frame is connected with the sand box body through a lifting mechanism.

Furthermore, two sets of elevating system are all established at both ends about the sand box body, just two sets of elevating system structures the same to guarantee the lift speed and the precision of sand box.

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

1. the utility model provides a pair of a lead screw transmission for sand box, the inside mould frame of sand box body passes through elevating system and is corresponding with ink jet mechanism, and print platform can reciprocate, ensures that the successive layer of sand mould prints.

2. The utility model provides a pair of a lead screw transmission for sand box, driving motor's output shaft passes through the drive sprocket and then drives the vice ball of ball and rotate to the sliding frame that the drive is connected with the nut slides about the slide rail.

3. The utility model provides a pair of a lead screw transmission for sand box, the sprocket of lead screw bottom installation and the sprocket of driving motor axial region installation are 90 degrees intermeshing installations, play the effect of switching-over under driving motor's effect, have screw-nut on the lead screw, the lift of the rotation adjusting screw-nut of accessible lead screw, carriage and screw-nut cooperation and then adjust the inside mould frame of sand box height in vertical side.

4. The utility model provides a pair of a lead screw transmission for sand box, two sets of elevating system are all established at both ends about the sand box body, just two sets of elevating system structures the same to guarantee the lift speed and the precision of sand box.

Drawings

Fig. 1 is a schematic structural view of a screw rod transmission device for a sand box of the present invention.

Fig. 2 is a front view of the screw rod transmission device for the sand box of the present invention.

Fig. 3 is a bottom view of the screw rod transmission device for the sand box of the present invention.

Fig. 4 is a rear view of the screw transmission device for the sand box of the present invention.

Fig. 5 is a schematic view of a sliding frame in a screw transmission device for a sand box according to the present invention.

In the figure: 1. a flask body; 2. a base; 3. a drive motor; 4. (ii) a 5. A ball screw pair; 6. a carriage; 61. a through groove; 62. a support; 63. a slider; 64. a connecting frame; 7. a slide rail; 8. a support bearing; 9. and a limiting support.

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. 1-4, a screw transmission device for a sand box comprises a sand box body 1, which comprises a base 2, a driving motor 3, a ball screw pair 5 and a sliding frame 6, wherein the base 2 is arranged at the bottom of the sand box body 1, the driving motor 3 and the ball screw pair 5 are both arranged at the upper end of the base 2, an output shaft of the driving motor 3 is connected with the bottom of the ball screw pair 5 through a chain gear 4, the bottom of the ball screw pair 5 is connected with the chain gear 4 through a supporting bearing 8, the driving motor 3 is connected with the base 2 through a limiting support 9, and an output end of the driving motor 3 is meshed with the chain gear 4.

The output shaft of the driving motor drives the chain gear to further drive the ball screw of the ball screw pair to rotate, so that the sliding frame connected with the nut is driven to slide up and down the sliding rail, the chain gear mounted at the bottom of the screw rod and the chain gear mounted on the shaft part of the driving motor are mounted in a 90-degree meshed manner, a reversing effect is achieved under the effect of the driving motor, the screw rod is provided with the screw nut, the lifting of the screw nut can be adjusted through the rotation of the screw rod, and the sliding frame is matched with the screw nut to further adjust the height of the mold frame inside the sand box in the vertical direction.

Example 2

On the basis of embodiment 1, referring to fig. 5, the sliding frame 6 is "cross" -shaped, two brackets 62 are symmetrically arranged at two ends of a vertical through groove 61 on the sliding frame 6, and a connecting frame 64 is arranged at one end of the sliding frame 6 far away from the through groove 61.

Two slide rails 7 are arranged in the height direction of the sand box body 1, a sliding block 63 matched with the slide rails 7 is arranged on the support 62, two ends of the sliding frame 6 are slidably connected with the slide rails 7 through the sliding block 63, and the connecting frame 64 is arranged between the two slide rails 7.

The sand box body is of a frame structure with an upper opening and a lower opening, the connecting frame is connected with a movable frame, the movable frame is arranged in the sand box body, and the movable frame is connected with the sand box body through a lifting mechanism.

Through the mutual cooperation of the ball screw pair and the slide rail, the high lifting of the mold frame in the sand box in the vertical direction is adjusted, the stability of the working box in the printing process can be improved, and the printing effect is enhanced.

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 screw drive for sand box, includes sand box body (1), its characterized in that: including base (2), driving motor (3), ball screw pair (5) and carriage (6), sand box body (1) bottom is located in base (2), the upper end of base (2) is all located in driving motor (3) and ball screw pair (5), the bottom of ball screw pair (5) is connected through sprocket (4) to the output shaft of driving motor (3), carriage (6) are including leading to groove (61), support (62) and link (64), the nut of ball screw pair (5) is connected through leading to groove (61) in carriage (6).

2. The screw transmission device for the sand box according to claim 1, wherein: the bottom of the ball screw pair (5) is connected with the chain gear (4) through a supporting bearing (8), and the supporting bearing (8) is fixedly connected with the base (2).

3. The screw transmission device for the sand box according to claim 1, wherein: the driving motor (3) is connected with the base (2) through a limiting support (9), and the output end of the driving motor (3) is meshed with the sprocket (4).

4. The screw transmission device for the sand box according to claim 1, wherein: carriage (6) are "ten" style of calligraphy, two supports (62) are established to the both ends symmetry of perpendicular logical groove (61) on carriage (6), link (64) are established to the one end that logical groove (61) were kept away from in carriage (6).

5. The screw transmission device for the sand box according to claim 1, wherein: two slide rails (7) are arranged in the height direction of the sand box body (1).

6. The screw transmission device for the sand box according to claim 4 or 5, wherein: establish slider (63) with slide rail (7) looks adaptation on support (62), the both ends of carriage (6) are through slider (63) sliding connection slide rail (7).

7. The screw transmission device for the sand box according to claim 6, wherein: the connecting frame (64) is arranged between the two sliding rails (7).