CN113369472A

CN113369472A - Automatic pouring, cooling and blanking system for small and medium-sized metal components

Info

Publication number: CN113369472A
Application number: CN202110661040.0A
Authority: CN
Inventors: 郭廷彪; 冯瑞; 张国庆; 贾智; 刘文武; 李凯哲; 黄大伟; 高洋
Original assignee: Lanzhou University of Technology
Current assignee: Lanzhou University of Technology
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2021-09-10

Abstract

An automatic pouring, cooling and blanking system for small and medium-sized metal components relates to the casting technology and comprises a pouring mechanism, a cooling mechanism, a blanking mechanism, two ladles, a top frame, guide pillars, a central column, two sets of dies and a base. The pouring mechanism comprises a hinge, a hydraulic lifter, a fixed rod, a rotary rod, a connecting rod and a ladle. The cooling mechanism comprises a telescopic elastic high-temperature-resistant water pipe, a mold upper mold, a mold lower mold, a cooling water bin, a temperature monitor and a cooling plate. The blanking mechanism comprises a guide pillar, a displacement monitor, a limiting disc, a sliding arm, a rotating arm and a blanking bin. The invention has compact structure, small occupied area, reasonable design, high degree of mechanization, high casting quality, low rejection rate and obvious economic benefit, can realize mass continuous production and is suitable for the production of small and medium-sized enterprises.

Description

Automatic pouring, cooling and blanking system for small and medium-sized metal components

Technical Field

The invention relates to a casting technology, in particular to an automatic pouring, cooling and blanking technology for metal components.

Background

The metal mold casting has the characteristics of higher cooling speed, compact casting structure, stable casting quality, superior surface roughness and mechanical property to sand mold casting, low rejection rate, high production rate and suitability for large-scale batch production. Most of the steps in the prior casting technology are finished manually, so that the labor intensity is high, the production efficiency is low, and the working environment is poor. The large casting production line has large occupied area and high production cost, and is not beneficial to the production of medium and small batches. When the casting equipment works, the metal liquid in the die cavity needs to be waited for natural cooling and forming, so that the casting time is prolonged, and the casting production efficiency is reduced.

The currently disclosed metal mold casting equipment is as follows, and patent CN212443247U discloses a metal mold casting production line, which comprises at least one casting line and a casting machine, wherein the casting line is provided with a plurality of casting machines, each casting machine is provided with at least one station for installing a mold, the production line has high cost, the work site occupies large area, and the production line is only suitable for mass production and is not suitable for small and medium-sized enterprises. Patent CN203621459U discloses a metal mold casting equipment, this equipment passes through MOLD CLAMPING APPARATUS one end and installs in the frame, and the other end is installed on the movable mould board, and the movable mould board reciprocating motion is on the guiding axle, accomplishes the action of opening and shutting the mould, realizes the molding function, and this equipment production foundry goods type is single, only can produce thin wall grey cast iron pipe fitting, and the adaptability is relatively poor to the equipment precision is lower, and the poor shortcoming of this equipment of foundry goods quality of production.

Disclosure of Invention

The invention aims to provide an automatic pouring, cooling and blanking system for small and medium-sized metal components.

The invention relates to an automatic pouring, cooling and blanking system for small and medium-sized metal components, which comprises a pouring mechanism, a cooling mechanism, a blanking mechanism, two ladles 6, a top frame 8, a water pipe 9, a guide pillar 12, a central column 22 and two sets of dies, wherein the pouring mechanism comprises a hinge 1, a hydraulic lifter 2, a fixed rod 3, a rotary rod 4, a connecting frame rod 5 and the ladles 6, the hinge 1 is fixedly connected to a base 19, one end of the fixed rod 3 is fixedly connected with the hydraulic lifter 2, the other end of the fixed rod is connected with the rotary rod 4, the lower end of the connecting frame rod 5 is connected with the base 19 through the hinge 1, the upper end of the connecting frame rod 5 is connected with the rotary rod 4, and the ladles 6 are connected with the rotary rod 5.

The invention has the advantages of compact structure, small occupied area, realization of large-batch continuous production and suitability for producing metal castings by small and medium-sized enterprises. The system adopts the metal mold, the produced casting has compact structure, stable quality, superior surface roughness and mechanical property to sand casting, low rejection rate and high production rate, and is suitable for large-scale batch production. And a cavity is arranged in the metal mold for cooling water circulation, so that the metal liquid is rapidly cooled, crystal grains are refined, sequential solidification is realized, the casting quality is improved, the rejection rate is reduced, and the production efficiency is also improved. The cooling water bin is provided with the temperature monitor and the cooling plate, and when the temperature of the cooling water is monitored to be heated by the mold to a temperature insufficient to achieve a cooling effect, the cooling plate is started to cool the cooling water, so that the recycling of the cooling water is improved. The system has one accurate temperature detection system, so that the pouring temperature of the molten metal and the cooling temperature of the component are accurately monitored, the pouring and overturning unpacking time is accurately controlled, and the ball casting quality and the production efficiency are improved. The system can change the moulds with different specifications according to different production requirements, the specifications of the left mould and the right mould can be different, metal components with different sizes can be produced simultaneously, the replacement is convenient, and the adaptability is strong.

Drawings

Fig. 1 is a schematic structural diagram of the present invention, with reference numbers and corresponding names: hinge 1, dead lever 2, hydraulic lift 3, rotary rod 4, side link 5, ladle 6, automatic stopper 7, top frame 8, water pipe 9, 10, hydraulic lift 10, clamp plate 11, guide pillar 12, displacement monitor 13, spacing dish 14, slide arm 15, mould cope match-type 16, mould drag-type 17, blanking storehouse 18, base 19, swinging boom 20, cooling water storehouse 21, center post 22, temperature monitor 23, cooling plate 24, water filling port 25.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, the invention relates to an automatic pouring, cooling and blanking system for small and medium-sized metal components, which comprises a pouring mechanism, a cooling mechanism, a blanking mechanism, two ladles 6, a top frame 8, a water pipe 9, a guide pillar 12, a center pillar 22 and two sets of dies, wherein the pouring mechanism comprises a hinge 1, a hydraulic lifter 2, a fixed rod 3, a rotating rod 4, a connecting rod 5 and the ladles 6, the hinge 1 is fixedly connected to a base 19, one end of the fixed rod 3 is fixedly connected with the hydraulic lifter 2, the other end of the fixed rod is connected with the rotating rod 4, the lower end of the connecting rod 5 is connected with the base 19 through the hinge 1, the upper end of the connecting rod is connected with the rotating rod 4, and the ladles 6 are connected with the rotating rod 5.

As shown in fig. 1, the cooling mechanism includes a flexible elastic high temperature resistant water pipe 9, an upper mold 16, a lower mold 17, a cooling water tank 21, a temperature monitor 23, and a cooling plate 24, the center of the upper mold 16 is provided with a cavity, one end of the flexible elastic high temperature resistant water pipe 9 is connected with the cavity of the upper mold 16, one end of the flexible elastic high temperature resistant water pipe passes through the inside of the top frame 8 and the inside of the center column 21 and is connected to the cooling water tank 21, the temperature monitor 23 is arranged on the top of the cooling water tank 21, and the cooling plate 24 is fixed at the bottom of the cooling water tank 21.

As shown in fig. 1, the blanking mechanism includes a guide post 12, a displacement monitor 13, a limiting disc 14, a sliding arm 15, a blanking bin 18, and a rotating arm 20, the upper end of the guide post 12 is fixedly connected to the top frame 8, the lower end of the guide post is fixedly connected to a base 19, the sliding arm 15 is sleeved on the guide post 12, the rotating arm 20 is connected to the guide post 12, the displacement monitor 13 is fixed to the sliding arm 15, and the blanking bin 18 is placed on a track of the base 19.

In the initial state, the hydraulic rod of the hydraulic lifter 2 is in the reset state, and the automatic stopper 7, the cooling water sump 20, and the cooling plate 22 are closed.

In the pouring preparation stage, firstly, an upper mold 16 and a lower mold 17 are preheated, pouring is to be started, a ladle 6 is filled with molten iron, the hydraulic rod of the hydraulic lifter 2 is controlled to ascend to drive the telescopic rod 3 to ascend, the connecting rod 5 ascends to enable the rotary rod 4 to rotate, one end, connected with the telescopic rod 2, of the rotary rod 4 ascends, and one point, connected with the ladle 6, descends and is close to a pouring gate of the mold to pour. After pouring is finished, a hydraulic rod of the hydraulic lifter 2 descends to drive the ladle 6 to reset for waiting for next pouring, the cooling water bin 20 is opened, cooling water enters the cavity of the upper die 16 for circulating cooling, and when the temperature monitor 23 in the cooling water bin monitors that the temperature of the cooling water rises to be insufficient for cooling, the cooling plate 24 is opened to refrigerate the cooling water. After the component is cooled, the cooling water bin 21 is closed, the hydraulic rod of the hydraulic lifter 10 is controlled to ascend to drive the pressing plate 11 and the upper mold 16 to ascend for mold opening, the displacement monitor 13 on the sliding arm 15 monitors that the mold ascends to a specified position, the rotating arm 20 is opened for rotation to rotate the lower mold 17 to a vertical position, and the metal component freely falls into the blanking bin 18. After blanking is finished, spraying materials on the die, driving the lower die 17 to reset by the rotating arm 20, driving the upper die 16 to reset by the hydraulic lifter 10, and simultaneously moving the blanking bin 18 on the base track to convey the metal component to the next working station. And the next pouring, cooling and blanking process circulates the steps.

The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides an automatic pouring cooling blanking system of middle-size and small-size metal component, includes pouring mechanism, cooling body, blanking mechanism, two ladle (6), top frame (8), water pipe (9), guide pillar (12), center post (22), two sets of moulds, its characterized in that pouring mechanism includes hinge (1), hydraulic pressure riser (2), dead lever (3), rotary rod (4), side link (5), ladle (6), hinge (1) fixed connection is on base (19), the one end and hydraulic pressure riser (2) fixed connection one end of dead lever (3) are connected with rotary rod (4), side link (5) lower extreme passes through hinge (1) and links to each other the upper end with base (19) and is connected with rotary rod (4), ladle (6) are connected with rotary rod (5).

2. The automatic pouring, cooling and blanking system for the small and medium-sized metal components as claimed in claim 1, wherein the cooling mechanism comprises a high-temperature resistant water pipe (9) with a telescopic elasticity, an upper mold (16), a lower mold (17), a cooling water bin (21), a temperature monitor (23) and a cooling plate (24), a cavity is arranged in the center of the upper mold (16), one end of the water pipe (9) is connected with the cavity of the upper mold (16), one end of the water pipe penetrates through the inside of the top frame (8) and the inside of the center column (22) and is connected to the cooling water bin (21), the temperature monitor (23) is arranged at the top of the cooling water bin (21), and the cooling plate (24) is fixed at the bottom of the cooling water bin (21).

3. The automatic pouring, cooling and blanking system for the small and medium-sized metal components according to claim 1, wherein the blanking mechanism comprises a guide post (12), a displacement monitor (13), a limiting disc (14), a sliding arm (15), a blanking bin (18) and a rotating arm (20), the upper end of the guide post (12) is fixedly connected with the top frame (8), the lower end of the guide post is fixedly connected with a base (19), the sliding arm (15) is sleeved on the guide post (12), the rotating arm (20) is connected to the guide post (12), the displacement monitor (13) is fixed on the sliding arm (15), and the blanking bin (18) is placed on a track of the base (19).