CN211539402U

CN211539402U - Molding machine capable of quantitatively feeding sand

Info

Publication number: CN211539402U
Application number: CN202020123310.3U
Authority: CN
Inventors: 张俊祥; 张磊
Original assignee: TIANJIN SHENGXINGXIANG MACHINERY MANUFACTURING CO LTD
Current assignee: TIANJIN SHENGXINGXIANG MACHINERY MANUFACTURING CO LTD
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-09-22
Anticipated expiration: 2030-01-19

Abstract

The utility model discloses a molding machine for quantitative sand feeding, which comprises a frame, a sand feeding mechanism, a cope flask part, a drag flask part and a mold splitting part; the machine frame comprises a workbench, a supporting seat and an upright post, a mold splitting part is arranged at the middle position of the workbench, a conveying belt is arranged beside the mold splitting part, and the conveying belt is driven by a motor III; the sand feeding mechanism comprises a sand hopper, a first motor, a rotating shaft and a partition plate, the first motor is connected with a motor connecting shaft, the rotating shaft is sleeved on the motor connecting shaft, the motor connecting shaft transversely penetrates through the bottom of the sand hopper, one end of the motor connecting shaft extends out of the sand hopper, and the partition plate is matched with the rotating shaft; the die parting part comprises a die parting plate seat fixedly arranged on the workbench, a die parting plate is arranged on the die parting plate seat, and the die parting plate seat is connected with the motor II. The beneficial effects of the utility model are that, the sand yield of control molding machine that can be accurate relatively, simple structure send sand even.

Description

Molding machine capable of quantitatively feeding sand

Technical Field

The utility model relates to a molding machine technical field, especially a sand molding machine in ration.

Background

The moulding machine is a casting equipment for manufacturing sand mould, and is a common flaskless shooting and pressing moulding machine and a horizontal parting flaskless shooting and pressing moulding machine. The slip flask injection molding machine utilizes the sand box to mold, and the slip flask is closed after the sand mould is manufactured, so that the core is convenient to drop, and the production efficiency is high.

The technical field of quantitative sand adding mechanisms of the existing novel casting molding machine has the problems of complex structure, easy sand material blockage phenomenon of the sand adding mechanism and difficult control of sand material feeding amount.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems and designing a molding machine for quantitative sanding.

The technical scheme of the utility model is that the molding machine with quantitative sand feeding comprises a frame, a sand feeding mechanism, a cope flask part, a drag flask part and a mold splitting part; the machine frame comprises a workbench, a supporting seat and an upright post, a mold splitting part is arranged at the middle position of the workbench, a conveying belt is arranged beside the mold splitting part, and the conveying belt is driven by a motor III; the sand feeding mechanism comprises a sand hopper, a first motor, a rotating shaft and a partition plate, the first motor is connected with a motor connecting shaft, the rotating shaft is sleeved on the motor connecting shaft, the motor connecting shaft transversely penetrates through the bottom of the sand hopper, one end of the motor connecting shaft extends out of the sand hopper, and the partition plate is matched with the rotating shaft; the upper sand box part comprises a first air cylinder, an upper moving seat and an upper sand box, the upper moving seat is sleeved on the upright post in a sliding manner, the upper sand box is connected with the sand feeding mechanism through a pipeline, and a sand inlet is formed in the upper sand box; the lower sand box part comprises a second air cylinder, a lower moving seat and a lower sand box, and the lower moving seat is sleeved on the upright post in a sliding manner; the die parting part comprises a die parting plate seat fixedly arranged on the workbench, a die parting plate is arranged on the die parting plate seat, and the die parting plate seat is connected with the motor II.

Further, the sand hopper is composed of a conical part and a cylindrical part.

Further, a pressure sensor is arranged in the sand hopper.

Further, the cross section of the partition plate is provided with an oval cavity.

Furthermore, the rotating shaft cross section comprises a sand blocking part and a connecting part, and the sand blocking part is symmetrically distributed on two sides of the connecting part. The sand blocking part is trapezoidal.

Further, the first motor is a stepping motor.

Utilize the utility model discloses a sand molding machine in ration of technical scheme preparation, the beneficial effect who reaches: the partition plate with the oval cross section is matched with the rotating shaft, so that the sand discharge amount of the molding machine can be controlled relatively accurately, and the problems that the structure is complex, sand blocking phenomena are easy to occur, and the sand feeding amount is difficult to control are solved.

Drawings

FIG. 1 is a schematic diagram of a quantitative sanding molding machine according to the present invention;

FIG. 2 is a schematic illustration of a sand stop state of a quantitative sand feeding molding machine according to the present invention;

FIG. 3 is a schematic illustration of shakeout of a quantitative sanding molding machine according to the present invention;

in the figure, 1, a frame; 11. a work table; 12. a supporting seat; 13. a column; 2. a sand feeding mechanism; 21. a sand hopper; 211. a tapered portion; 212. a cylindrical portion; 22. a first motor; 23. a rotating shaft; 231. a sand blocking part; 232. a connecting portion; 24. a partition plate; 25. a motor connecting shaft; 3. a cope flask portion; 31. A first cylinder; 32. an upper moving seat; 33. a cope flask; 4. a drag flask portion; 41. a second air cylinder; 42. A lower moving base; 43. a drag flask; 5. a mold splitting part; 51. dividing a template seat; 52. dividing the templates; 6. A conveyor belt; 7. a pressure sensor; 8. and a third motor.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings, and as shown in fig. 1 to 3, a molding machine for quantitatively feeding sand includes a frame 1, a sand feeding mechanism 2, a cope flask portion 3, a drag flask portion 4, and a split mold portion 5.

The machine frame 1 comprises a workbench 11, a supporting seat 12 and an upright post 13, a mold splitting part 5 is arranged at the middle position of the workbench 11, a conveying belt 6 is arranged beside the mold splitting part 5, and the conveying belt is driven by a motor III 8.

Send sand mechanism 2 and include sand fill 21, motor 22, pivot 23, baffle 24, motor 22 is connected with motor connecting axle 25, pivot 23 cover is established on the motor connecting axle 25, motor connecting axle 25 transversely runs through sand fill 21 bottom and one end stretch out outside sand fill 2, baffle 24 with pivot 23 cooperatees, motor 22 is step motor. The first motor 22 is started, sand is placed in the sand hopper 21, the first motor 22 drives the motor connecting shaft 25 to rotate, the rotating shaft 23 rotates along with the rotating shaft, the rotating shaft 23 is matched with the partition plate 24, when the partition plate 24 is blocked by the rotating shaft 23, the sand cannot flow out of the sand hopper 21, the rotating shaft 23 continues to rotate the partition plate 24 to be opened, the sand falls on the upper side of the rotating shaft 23, the rotating shaft 23 continues to rotate, the sand is discharged onto the conveyor belt 6 through an outlet at the bottom of the sand hopper 21 at the moment, the third motor 8 is started, the sand on the conveyor belt 6 flows into the lower sand box 4, and the first motor 22 is a stepping motor and can be controlled to quantitatively put in the sand.

The lower sand box part 4 comprises a second air cylinder 41, a lower moving seat 42 and a lower sand box 43, and the lower moving seat 42 is sleeved on the upright post 13 in a sliding manner; the cope flask part 3 comprises a first cylinder 31, an upper moving seat 32 and a cope flask 33, the upper moving seat 32 is sleeved on the upright post 13 in a sliding manner, the cope flask 33 is connected with the sand feeding mechanism 2 through a pipeline, and a sand inlet 34 is arranged on the cope flask 33; the mold splitting part 5 comprises a mold splitting plate seat 51 fixedly arranged on the workbench 11, a mold splitting plate 52 is arranged on the mold splitting plate seat 51, and the mold splitting plate seat 51 is connected with a motor II. The second air cylinder 41 drives the lower moving seat 42 to slide on the upright post 13, the lower sand box 43 moves upwards along with the lower moving seat 42 in the ascending process, and the operation is stopped when the upper sand box 43 contacts the split mold plate 52; meanwhile, the air cylinder I31 drives the upper moving seat 32 to slide downwards on the upright post 13, the cope flask 33 descends along with the upper moving seat 32 in the descending process, the operation is stopped when the cope flask 33 contacts the split mold plate 52, and at the moment, the pressure is maintained for a period of time after the mold closing is finished.

The sand hopper 21 is composed of a tapered portion 211 and a cylindrical portion 212. The sand hopper 21 is provided with the conical part 211 and the cylindrical part 212 which jointly form the occasion suitable for throwing a large amount of sand, and the conical part 211 ensures that the sand is evenly dropped, thereby avoiding sand blockage.

A pressure sensor 7 is arranged in the sand hopper 21. Be provided with pressure sensor 7 in the sand hopper 21, when sand volume was not enough in the sand hopper 21, can remind the staff to add sand.

The partition 24 has an oval cavity in cross section. The section of the rotating shaft 23 is composed of a sand blocking part 231 and a connecting part 232, and the sand blocking parts 231 are symmetrically distributed on two sides of the connecting part 232. The sand blocking portion 231 is trapezoidal. When the partition plate 24 and the rotating shaft 23 are matched to complete the quantitative sand adding and blocking part 231 for the sand material to contact with the rotating shaft 23, the sand material cannot fall, and when a gap exists between the connecting part 232 and the rotating shaft, the sand material can fall.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims

1. A molding machine for quantitative sand feeding is characterized by comprising a frame (1), a sand feeding mechanism (2), a cope flask part (3), a drag flask part (4) and a mold splitting part (5);

the machine frame (1) comprises a workbench (11), a supporting seat (12) and an upright post (13), a mold splitting part (5) is arranged at the middle position of the workbench (11), a conveying belt (6) is arranged beside the mold splitting part (5), and the conveying belt is driven by a motor III (8);

the sand feeding mechanism (2) comprises a sand hopper (21), a first motor (22), a rotating shaft (23) and a partition plate (24), the first motor (22) is connected with a motor connecting shaft (25), the rotating shaft (23) is sleeved on the motor connecting shaft (25), the motor connecting shaft (25) transversely penetrates through the bottom of the sand hopper (21), one end of the motor connecting shaft extends out of the sand hopper (21), and the partition plate (24) is matched with the rotating shaft (23);

the cope flask part (3) comprises a first cylinder (31), an upper moving seat (32) and a cope flask (33), the upper moving seat (32) is sleeved on the upright post (13) in a sliding manner, the cope flask (33) is connected with the sand feeding mechanism (2) through a pipeline, and a sand inlet (34) is formed in the cope flask (33);

the lower sand box part (4) comprises a second air cylinder (41), a lower moving seat (42) and a lower sand box (43), and the lower moving seat (42) is sleeved on the upright post (13) in a sliding manner;

the die parting part (5) comprises a die parting plate seat (51) fixedly arranged on the workbench (11), a die parting plate (52) is arranged on the die parting plate seat (51), and the die parting plate seat (51) is connected with a motor.

2. A sand dosing moulding machine according to claim 1, characterised in that the sand hopper (21) is composed of a conical part (211) together with a cylindrical part (212).

3. A sand dosing moulding machine according to claim 1, characterised in that a pressure sensor (7) is arranged in the sand hopper (21).

4. A sand dosing moulding machine as claimed in claim 1, characterised in that the diaphragm (24) has an oval cavity in cross-section.

5. A molding machine for quantitative sand feeding according to claim 1, characterized in that the cross section of the rotating shaft (23) is composed of sand blocking portions (231) and connecting portions (232), the sand blocking portions (231) are symmetrically distributed on two sides of the connecting portions (232), and the sand blocking portions (231) are trapezoidal.

6. A quantitative sanding moulding machine according to claim 1, characterised in that said first motor (22) is a stepper motor.