阅读说明：本技术 一种单工位垂直加砂造型机 (Single-station vertical sand adding molding machine ) 是由 王一帆 王建新 刘强 于 2020-12-22 设计创作，主要内容包括：本发明属于铸造造型设备技术领域,具体涉及一种单工位垂直加砂造型机,包括竖直设置的转轴、摆臂、绕转轴设置在其外侧的砂箱压实机构和合箱机构、设在砂箱压实机构正上方的砂仓以及砂箱翻转机构；所述摆臂设在砂箱压实机构和砂仓之间,所述摆臂安装在转轴上且绕转轴转动,其外侧端设有砂箱翻转机构,所述砂箱翻转机构位于砂仓与砂箱压实机构之间的区域。本发明的上砂箱和下砂箱内的型砂都是从上部填充到砂箱内,可以很好的解决其他形式造型设备遇到的型砂填充不实、较高工件冲砂有阴影而导致的造型失败的问题,尤其是对于高度越高的工件造型其优势越明显。(The invention belongs to the technical field of casting molding equipment, and particularly relates to a single-station vertical sand adding molding machine which comprises a rotating shaft, a swinging arm, a sand box compacting mechanism and a box closing mechanism which are vertically arranged on the outer side of the rotating shaft, a sand bin arranged right above the sand box compacting mechanism and a sand box turnover mechanism, wherein the sand box compacting mechanism and the box closing mechanism are arranged on the outer side of the rotating shaft; the swing arm is arranged between the sand box compacting mechanism and the sand bin, the swing arm is mounted on the rotating shaft and rotates around the rotating shaft, a sand box turnover mechanism is arranged at the outer end of the swing arm, and the sand box turnover mechanism is located in the area between the sand bin and the sand box compacting mechanism. The molding sand in the upper sand box and the lower sand box is filled into the sand box from the upper part, so that the problems of molding sand filling incompactness and molding failure caused by sand washing and shadow of higher workpieces in other molding equipment can be well solved, and the advantages of the molding equipment for the workpieces with higher heights are more obvious.)

1. The utility model provides a sand molding machine is added perpendicularly to simplex position which characterized in that: the sand box folding mechanism comprises a rotating shaft (8), a swing arm, a sand box compacting mechanism and a box closing mechanism (16) which are vertically arranged, wherein the sand box compacting mechanism and the box closing mechanism (16) are arranged on the outer side of the rotating shaft (8), a sand bin which is arranged right above the sand box compacting mechanism and is used for filling sand, and a sand box overturning mechanism for overturning the angle of the sand box, wherein the swing arm is arranged on the rotating shaft (8) and rotates around the rotating shaft (8), the outer side end of the swing arm is provided with the sand box overturning mechanism, and the sand; the sand box compaction mechanism comprises an upper box compaction mechanism (15) and a lower box compaction mechanism (1), and the sand bin comprises an upper box sand bin (9) and a lower box sand bin (6);

the sand box compacting mechanism comprises a first lifting device and a sand box mold arranged at the top of the telescopic end of the first lifting device;

the box closing mechanism (16) comprises a second lifting device and a supporting plate arranged at the top of the telescopic end of the second lifting device;

the sand box turnover mechanism comprises a clamping device for fixing the sand box and a driving device for driving the clamping device to turn over, and the clamping device is rotatably arranged in a U-shaped groove of the swing arm;

the bottom surface of sand silo is equipped with the compacting plate, be equipped with on the compacting plate and be used for the sand mouth of leading that the molding sand flows out.

2. A single-station vertical sand-adding moulding machine according to claim 1, characterized in that the upper box compacting mechanism (15) and the lower box compacting mechanism (1) are respectively arranged at the left and right sides of the rotating shaft (8), and the mould assembling mechanism (16) is arranged at the front side of the rotating shaft.

3. A single station vertical sanding molding machine as defined in claim 1 wherein the first and second lifting devices each employ a hydraulic ram.

4. The single-station vertical sand-adding molding machine according to claim 1, wherein the clamping device comprises a frame-shaped outer sand box frame (18), a telescopic sand box positioning shaft (17) and a turning shaft (20) which is oppositely arranged on the outer side wall of the outer sand box frame (18), the sand box positioning shaft (17) is oppositely arranged on the inner side wall of the outer sand box frame (18), and the outer sand box frame (18) is rotatably arranged on the swing arm through the turning shaft (20).

5. A single station vertical sand adding molding machine as claimed in claim 1, wherein the method of use comprises the steps of:

(1) after the cope box compacting mechanism drives the cope box mould to ascend and contact with the cope box, the clamping device is loosened to lift the cope box to the lower part of the cope box sand bin, and simultaneously, after the drag box compacting mechanism drives the drag box mould to ascend and contact with the drag box, the clamping device is loosened to lift the drag box to the lower part of the drag box sand bin;

(3) the upper box sand bin and the lower box sand bin are used for adding molding sand into the upper sand box and the lower sand box respectively;

(4) continuously lifting the cope flask mould and the drag flask mould, compacting and molding the molding sand in the cope flask by the cope flask compacting plate, and simultaneously compacting and molding the molding sand in the drag flask by the drag flask compacting plate;

(5) the upper sand box descends to a clamping device of the upper box swing arm, the clamping device clamps the upper sand box, the upper box mould descends to an initial position, the lower sand box descends to a clamping device of the lower box swing arm, the clamping device clamps the lower sand box, and the lower box mould descends to the initial position;

(6) the upper box swing arm drives the upper sand box to rotate above the box assembling mechanism, and the lower box swing arm drives the lower sand box to rotate above the box assembling mechanism;

(7) the supporting plate of the mould assembling mechanism ascends to sequentially support the drag flask and the cope flask to complete mould assembling and then descends to an initial position.

6. The single-station vertical sand-adding molding machine according to claim 5, wherein in step (5), when the core setting or the air-vent hole is needed for molding sand, the flask-turning mechanism drives the drag flask to turn 180 degrees for core setting and simultaneously drives the cope flask to turn 180 degrees for air-vent hole opening.

Technical Field

The invention belongs to the technical field of casting molding equipment, and particularly relates to a single-station vertical sand adding molding machine.

Background

The problems that molding sand is not filled in a real manner and a higher workpiece is washed with sand and is shaded to cause molding failure are frequently encountered in the molding process of the conventional molding equipment, and the molding problem is more obvious when the height of the workpiece is higher, so that the quality and the production efficiency of the workpiece are influenced.

Disclosure of Invention

The molding sand in the upper sand box and the lower sand box of the molding machine is filled into the sand box from the upper part, so that the problems of molding sand filling incompactness and molding failure caused by sand washing shadow of higher workpieces in other molding equipment can be well solved, and the advantages of the molding machine are more obvious particularly for the molding of the workpieces with higher heights.

The invention discloses a single-station vertical sand adding molding machine which comprises a rotating shaft, a swing arm, a sand box compacting mechanism and a box closing mechanism, wherein the rotating shaft is vertically arranged, the sand box compacting mechanism and the box closing mechanism are arranged on the outer side of the rotating shaft, a sand cabin arranged right above the sand box compacting mechanism and used for filling sand, and a sand box overturning mechanism used for overturning the angle of a sand box; the sand box compacting mechanism comprises an upper box compacting mechanism and a lower box compacting mechanism, and the sand bin comprises an upper box sand bin and a lower box sand bin;

the sand box compacting mechanism comprises a first lifting device and a sand box mold arranged at the top of the telescopic end of the first lifting device;

the box closing mechanism comprises a second lifting device and a supporting plate arranged at the top of the telescopic end of the second lifting device;

the sand box turnover mechanism comprises a clamping device for fixing the sand box and a driving device for driving the clamping device to turn over, and the clamping device is rotatably arranged in a U-shaped groove of the swing arm;

the bottom surface of sand silo is equipped with the compacting plate, be equipped with on the compacting plate and be used for the sand mouth of leading that the molding sand flows out.

Preferably, the upper box compacting mechanism and the lower box compacting mechanism are respectively arranged on the left side and the right side of the rotating shaft, and the box closing mechanism is arranged on the front side of the rotating shaft.

Preferably, the first lifting device and the second lifting device both adopt hydraulic oil cylinders.

Preferably, the clamping device comprises a frame-shaped sand box outer frame, a telescopic sand box positioning shaft and a turnover shaft which is arranged on the outer side wall of the sand box outer frame relatively, the sand box positioning shaft is arranged on the inner side wall of the sand box outer frame relatively, and the sand box outer frame is rotatably arranged on the swing arm through the turnover shaft.

Preferably, the using method comprises the following steps:

(1) after the cope box compacting mechanism drives the cope box mould to ascend and contact with the cope box, the clamping device is loosened to lift the cope box to the lower part of the cope box sand bin, and simultaneously, after the drag box compacting mechanism drives the drag box mould to ascend and contact with the drag box, the clamping device is loosened to lift the drag box to the lower part of the drag box sand bin;

(3) the upper box sand bin and the lower box sand bin are used for adding molding sand into the upper sand box and the lower sand box respectively;

(4) continuously lifting the cope flask mould and the drag flask mould, compacting and molding the molding sand in the cope flask by the cope flask compacting plate, and simultaneously compacting and molding the molding sand in the drag flask by the drag flask compacting plate;

(5) the upper sand box descends to a clamping device of the upper box swing arm, the clamping device clamps the upper sand box, the upper box mould descends to an initial position, the lower sand box descends to a clamping device of the lower box swing arm, the clamping device clamps the lower sand box, and the lower box mould descends to the initial position;

(6) the upper box swing arm drives the upper sand box to rotate above the box assembling mechanism, and the lower box swing arm drives the lower sand box to rotate above the box assembling mechanism;

(7) the supporting plate of the mould assembling mechanism ascends to sequentially support the drag flask and the cope flask to complete mould assembling and then descends to an initial position.

Preferably, in the step (5), when the core setting or the air vent hole is needed for the formed molding sand, the sand box turnover mechanism drives the drag sand box to turn 180 degrees for core setting, and simultaneously drives the cope sand box to turn 180 degrees for air vent hole opening.

The invention has the beneficial effects that: the invention has simple structure and stable work, the molding sand in the upper box and the lower box is filled into the sand box from the upper part, the problems of molding sand filling incompact and molding failure caused by sand washing shadow of higher workpieces in other molding equipment can be well solved, and the molding advantage is more obvious when the height of the workpiece is higher. The invention can realize both the boxed molding and the boxless molding, and can be flexibly changed only by modifying the sand box part. The single-station molding machine can realize all molding processes by one host, integrates multiple processes, has compact structure, improves the molding precision and ensures the workpiece quality.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a top view of FIG. 1;

in the drawing, 1, a lower box compaction mechanism, 2, a lower box mould, 3, a lower box, 4, a lower box swing arm, 5, a lower box compaction plate, 6, a lower box sand bin, 7, an upper box power unit, 8, a rotating shaft, 9, an upper box sand bin, 10, an upper box compaction plate, 11, an upper box, 12, an upper box swing arm, 13, a lower box power unit, 14, an upper box mould, 15, an upper box compaction mechanism, 16, a box closing mechanism, 17, a box positioning shaft, 18, a box outer frame, 19, a supporting plate, 20, a turnover shaft, 21, a compaction oil cylinder, 22, a guide rod, 23, a box closing oil cylinder, 24, a guide shaft, 25 and a supporting plate.

Detailed Description

The invention will be further described with reference to the following drawings and specific embodiments:

the invention discloses a single-station vertical sand adding molding machine which comprises a rotating shaft 8, a swing arm, a sand box compacting mechanism and a box closing mechanism 16, wherein the sand box compacting mechanism and the box closing mechanism 16 are vertically arranged on the outer side of the rotating shaft 8, a sand bin arranged right above the sand box compacting mechanism and used for filling sand, and a sand box turnover mechanism used for turning over the angle of a sand box, wherein the swing arm is arranged on the rotating shaft 8 and rotates around the rotating shaft 8, the outer side end of the swing arm is provided with the sand box turnover mechanism, and the sand box turnover mechanism is positioned in an area between the sand bin; the swing arms comprise an upper box swing arm 12 and a lower box swing arm 4, the upper box swing arm 12 is positioned on the upper side of the lower box swing arm 4, the sand box compacting mechanism comprises an upper box compacting mechanism 15 and a lower box compacting mechanism 1, and the sand silo comprises an upper box sand silo 9 and a lower box sand silo 6;

the sand box compacting mechanism comprises a first lifting device and a sand box mold arranged at the top of the telescopic end of the first lifting device;

the box closing mechanism 16 comprises a second lifting device and a supporting plate arranged at the top of the telescopic end of the second lifting device;

preferably, the sand box turnover mechanism comprises a clamping device for fixing the sand box and a driving device for driving the clamping device to turn over, and the clamping device is rotatably arranged in a U-shaped groove of the swing arm; the clamping device adopts a sand box outer frame 18 with a frame-shaped structure, the outer side of the sand box outer frame is rotatably arranged on the swing arm through a turnover shaft 20, a sand box positioning shaft 17 is arranged on the inner side wall of the sand box outer frame, the sand box is clamped and loosened through the extension and contraction of a sand box positioning shaft 04, and the driving device drives the sand box outer frame 18 to overturn the sand box.

Preferably, the bottom surface of the sand silo is provided with a compacting plate, and the compacting plate is provided with a sand guide opening for the outflow of the molding sand.

Preferably, the upper box compacting mechanism 15 and the lower box compacting mechanism 1 are respectively arranged at the left side and the right side of the rotating shaft 8, and the box closing mechanism 16 is arranged at the front side of the rotating shaft.

Preferably, the first lifting device and the second lifting device both adopt hydraulic oil cylinders.

The using method comprises the following steps:

(1) after the cope flask compacting mechanism 15 drives the cope flask mold 14 to ascend and contact the cope flask 11, the clamping device is released to lift the cope flask 11 to the lower part of the cope flask sand silo 9, and simultaneously, after the drag flask compacting mechanism 1 drives the drag flask mold 2 to ascend and contact the drag flask 3, the clamping device is released to lift the drag flask 3 to the lower part of the drag flask sand silo 6;

(3) the upper box sand bin 9 and the lower box sand bin 6 are used for adding molding sand into the upper sand box 11 and the lower sand box 3 respectively;

(4) the cope flask mold 14 and the drag flask mold 1 continue to ascend, and the molding sand in the cope flask 11 is compacted and molded by the cope flask compacting plate 10, while the molding sand in the drag flask 3 is compacted and molded by the drag flask compacting plate 5;

(5) the cope flask 11 descends to the clamping device of the cope swing arm 12, the clamping device clamps the cope flask 11, the cope flask mold 14 descends to the initial position, meanwhile, the drag flask 3 descends to the clamping device of the drag swing arm 4, the clamping device clamps the drag flask 3, and the drag flask mold 2 descends to the initial position;

(6) the cope box swing arm 12 drives the cope box 9 to rotate 90 degrees above the mould assembling mechanism 16, and the drag box swing arm 4 drives the drag box 3 to rotate 90 degrees above the mould assembling mechanism 16;

(7) the pallet 19 of the mold assembling mechanism 16 ascends to sequentially support the drag flask 3 and the cope flask 11, and then descends to the initial position after the mold assembling is completed.

Preferably, in the step (5), when core setting or air-blowing holes are required for molding sand, the flask turning mechanism drives the drag flask 3 to turn 180 degrees for core setting, and simultaneously drives the cope flask 11 to turn 180 degrees for air-blowing holes.

In addition, an upper box power unit 7 for driving the upper box swing arm to rotate 12 and a lower box power unit 13 for driving the lower box swing arm 4 to rotate are also arranged.

The invention has simple structure and stable work, the molding sand in the upper box and the lower box is filled into the sand box from the upper part, the problems of molding sand filling incompact and molding failure caused by sand washing shadow of higher workpieces in other molding equipment can be well solved, and the molding advantage is more obvious when the height of the workpiece is higher. The invention can realize both the boxed molding and the boxless molding, and can be flexibly changed only by modifying the sand box part. The single-station molding machine can realize all molding processes by one host, integrates multiple processes, has compact structure, improves the molding precision and ensures the workpiece quality.