CN217252781U

CN217252781U - Liquid level interlocking automatic casting system and smelting furnace casting device thereof

Info

Publication number: CN217252781U
Application number: CN202220497366.4U
Authority: CN
Inventors: 林路光; 严嘉明; 陈锦杰; 吴伟平
Original assignee: Guangdong Changxin Precision Equipment Co Ltd
Current assignee: Guangdong Changxin Precision Equipment Co Ltd
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2022-08-23
Anticipated expiration: 2032-03-09

Abstract

The utility model belongs to the field of metal casting, and discloses a smelting furnace casting device and a liquid level interlocking automatic casting system using the same, wherein the smelting furnace casting device is controlled by a control unit and is used for casting metal liquid into a mould assembly; the liquid level measurement assembly is used for measuring liquid levels in the pouring furnace and the mold assembly. The utility model discloses smelting pot casting device sets up the chain casting mechanism of liquid level, sets up the casting liquid level after, can start the automatic casting, promotes casting efficiency and security, and later maintenance is simple.

Description

Liquid level interlocking automatic casting system and smelting furnace casting device thereof

Technical Field

The utility model belongs to the metal casting field, concretely relates to chain automatic casting system of liquid level and smelting pot casting device thereof.

Background

Casting is a common manufacturing process for forming scattered metals. With the wider application of the rare metal, the requirement on the shape of the rare metal is higher, and the casting molding is an indispensable process link.

In the existing molten metal casting process, manual multi-process casting is mainly carried out through a ladle casting operation or a casting device in a dispersed mode, and production accidents are easily caused by material transfer and a high-temperature environment during casting; high temperature gloves are worn through operating personnel to the high temperature mould and are shifted, and put the raw materials in the smelting pot melting back mostly, through artifical casting in to the mould, this kind of casting mode needs a large amount of manual operation, wastes time and energy, and easy the molten metal that appears in the operation process spills and splashes scalding workman's danger, and personnel's safety can not obtain reliable assurance. Meanwhile, in the casting process, the casting is not carried out quantitatively and is completed manually by personnel, so that the labor intensity of the personnel is high, the danger coefficient is high, the requirement of the personnel is large, and the production cost is high.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem that exists among the prior art, the utility model discloses an aim at providing the chain automatic casting system of liquid level and smelting pot casting device thereof, this device can be quantitatively cast the mould, realizes the continuous casting processing by oneself through control system, has promoted treatment effeciency and security greatly, and later maintenance is simple. In order to achieve the above purpose, the utility model adopts the technical scheme that:

a furnace casting device is controlled by a control unit and used for casting molten metal into a mold assembly, and comprises a pouring furnace, a first driving assembly and a liquid level measuring assembly, wherein the first driving assembly is used for driving the pouring furnace to cast into the mold assembly; the liquid level measurement assembly is used for measuring liquid levels in the pouring furnace and the mold assembly.

Further, the dumping furnace comprises a furnace body and a first heating assembly for heating the furnace body, and the first heating assembly is sleeved outside the furnace body.

Further, the dumping furnace is provided with a discharge port diversion trench and a second heating assembly for heating the diversion trench.

Furthermore, the first driving assembly comprises a supporting arm, a base, a rocker arm and a hydraulic cylinder for providing power output; the supporting arm is connected with and supports the tilting furnace; one end of the rocker arm is connected with the dumping furnace, the other end of the rocker arm is connected with the power output end of the hydraulic cylinder, and the hydraulic cylinder realizes the inclined dumping casting operation of the dumping furnace by controlling the rocker arm to stretch up and down.

Further, the liquid level measurement assembly comprises a first liquid level meter arranged in the pouring furnace and a second liquid level meter arranged in the mould assembly; preferably, the first level is a contact level meter and the second level is a laser level meter.

Further, the furnace casting device also comprises a photoelectric monitoring device, wherein the photoelectric monitoring device is used for detecting whether the mould assembly reaches the casting side of the furnace casting device or not and transmitting a signal to the control unit; preferably, the photoelectric detection device is arranged on the pouring furnace.

Furthermore, the dumping furnace is internally provided with a graphite crucible, the dumping furnace is provided with a feeding manipulator, the graphite crucible is not easily damaged by the manipulator, and the service life of the dumping furnace is prolonged.

The utility model also discloses a liquid level chain smelting pot casting device of including above-mentioned smelting pot casting device, smelting pot casting device is arranged in casting metal liquid to the mould subassembly.

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

(1) the utility model discloses a casting device sets up the chain casting mechanism of liquid level, operating personnel sets up the casting liquid level at PLC automatic control system operation station after, personnel are putting mould and removal bracket combination back, start the automatic casting, equipment automatic operation, automatic alarm and stop during unusual, the quantity of casting piece, the casting liquid level, PLC automatic control operation station can be recorded in real time to temperature during the casting, convenient unusual investigation, high production efficiency, the product quality is good, do not need personnel to control too much, reduce personnel intensity of labour, high treatment effeciency, it is more nimble convenient to operate, can be by oneself continuous operation handle, treatment effeciency and security have been promoted greatly, the later maintenance is simple.

(2) The utility model discloses a metal liquid in the casting device smelting furnace can pour into the mould into automatically to not only avoid the artifical metal liquid that leads to when pouring into the mould with the metal liquid unrestrained, splash scald workman's danger, greatly improved mould casting efficiency moreover.

(3) The utility model discloses a chain automatic casting system equipment rational utilization of liquid level can not cause the waste of raw materials, practices thrift the cost, and entire system does not have the pollution source, has guaranteed can not cause any pollution to the environment.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of the liquid level interlocking automatic casting system of the present invention;

FIG. 2 is a schematic structural view of the casting device of the melting furnace of the present invention;

FIG. 3 is a schematic view of a part of the structure of the conveying assembly of the present invention;

fig. 4 is a first schematic view of the mold bracket structure of the present invention;

FIG. 5 is a schematic view of a mold bracket of the present invention;

FIG. 6 is a schematic view of the graphite mold of the present invention;

FIG. 7 is a first schematic structural view of the mold assembly of the present invention;

FIG. 8 is a schematic structural view of a mold assembly according to the present invention;

in the figure: 1-a PLC control system; 2, a mold oven; 3, a mechanical arm; 4-a mold assembly; 41-a mould carrier; 42-a graphite mold; 43-a handle; 44-a card slot; 45-a second hinge; 46-fixing the mould plate; 47 — moving the die plate; 48-a first hinge; 51-a first optoelectronic monitoring device; 51-a second optoelectronic monitoring device; 6-laser liquid level meter; 7-product demoulding and placing area; 8-circulating rail conveyor; 81-chain conveyor belt; 82, fixing a plate; 9-a diversion trench; 10-dumping the furnace; 11-contact level gauge; 12 — a first drive; 121-a hydraulic cylinder; 122-a rocker arm; 123-a support arm; 124, a base; 13-feeding device.

Detailed Description

To facilitate understanding of the present invention, the present invention will be described more fully and specifically with reference to the accompanying drawings and preferred embodiments, but the scope of the present invention is not limited to the specific embodiments described below.

Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present invention.

Unless otherwise specifically stated, various raw materials, reagents, instruments, equipment and the like used in the present invention are commercially available or can be prepared by an existing method.

Examples

As shown in fig. 1 to 8, the present embodiment discloses a furnace casting device and a liquid level interlocking automatic casting system using the same.

In this embodiment, the furnace casting device includes a pouring furnace 10, a first driving assembly and a liquid level measuring assembly, wherein the first driving assembly is used for driving the pouring furnace 10 to cast into the mold assembly 4; the liquid level measuring assembly is used for measuring the liquid level in the pouring furnace 10 and the mould assembly 4; specifically, the dumping furnace 10 comprises a furnace body and a first heating assembly for heating the furnace body, the first heating assembly is sleeved outside the furnace body, and the dumping furnace 10 is provided with a discharge port diversion trench 9 and a second heating assembly for heating the diversion trench 9; the first driving assembly comprises two supporting arms 123, a base 124, two rocker arms 122 and a hydraulic cylinder 121 for providing power output; the supporting arm 123 is connected with and supports the tilting furnace 10 through a bearing shaft and a rotating shaft; one end of the rocker arm 122 is connected with the dumping furnace 10, the other end of the rocker arm is connected with the power output end of the hydraulic cylinder 121, and the hydraulic cylinder 121 realizes the inclined dumping casting operation of the dumping furnace 10 by controlling the rocker arm 122 to stretch up and down; the liquid level measuring assembly comprises a first liquid level meter arranged in the pouring furnace 10 and a second liquid level meter arranged in the mold assembly 4, the first liquid level meter in the pouring furnace 10 is a contact type liquid level meter 11, and the second liquid level meter in the mold assembly 4 is a laser liquid level meter 6.

In this embodiment, the liquid level interlocking automatic casting system includes a furnace feeding device, a furnace casting device, a mold preheating and conveying device, and a control unit;

in the embodiment, the smelting furnace feeding device is used for conveying metal materials to the smelting furnace casting device; specifically, smelting pot feed arrangement includes material feeding unit 13 and manipulator 3, and material feeding unit 13 is used for receiving the metal material, and manipulator 3 throws material feeding unit 13's metal material into pouring furnace 10 in, and this embodiment uses manipulator 3 to carry out the material work of throwing of metal material, is difficult to damage pouring furnace 10 inner wall, also is changeed the control of metal material and throws material in-process material weight and speed. The manipulator 3 can also be used as a casting device of a melting furnace matched with parts.

In this embodiment, the liquid level interlocking automatic casting system further comprises a photoelectric monitoring device, wherein the photoelectric monitoring device is used for detecting whether the mold assembly 4 reaches the casting side of the melting furnace casting device and transmitting a signal to the PLC control system 1; the photoelectric monitoring device can also be used for detecting the material state of the feeding process of the smelting furnace feeding device; specifically, the photoelectric monitoring device includes a first photoelectric monitoring device 51 provided on the casting side of the furnace casting device and a second photoelectric monitoring device 52 provided at the feeding device 13. The first photoelectric monitoring device 51 may also be configured on a furnace casting device.

In this embodiment, the mold preheating and conveying device is used for preheating the mold assembly 4, conveying the preheated mold assembly 4 to the casting side of the pouring furnace 10 for casting, and conveying the mold assembly 4 reaching the casting liquid level to the next process;

specifically, the method comprises the following steps:

the mold preheating and conveying device comprises a mold oven 2, a conveying assembly and a mold assembly 4, wherein the mold assembly 4 is fixed on the conveying assembly, the mold oven 2 is provided with an internal heating area, and the conveying assembly penetrates through the internal heating area of the mold oven 2 and is used for driving the mold assembly 4 to move in the internal heating area of the mold oven 2;

the internal heating zone of the mold oven 2 is a heating tunnel formed by electric heating plates;

the mold assembly 4 comprises a mold bracket 41 fixed on the conveying assembly, and a graphite mold 42 fixed on the mold bracket 41, wherein the graphite mold 42 comprises a fixed mold plate 46, a movable mold plate 47 rotatably arranged on the side surface of the fixed mold plate 46 through a first hinge 48, and a buckling device between the movable mold plate 47 and the fixed mold plate 46; the fixed die plate 46 is detachably and fixedly mounted on the die bracket 41 through bolts; the clamping device comprises a clamping groove 44 which is rotatably arranged on the mold bracket 41 through a second hinge 45, a compression bolt hole which penetrates through the side wall of the clamping groove 44 and a compression bolt which is adaptive to the clamping groove 44, one end of the graphite mold 42 is arranged in or separated from the clamping groove 44 through the rotation of the second hinge 45, the compression bolt penetrates through the compression bolt hole to compress the graphite mold 42 arranged in the clamping groove 44, the clamping groove 44 is provided with two clamping grooves which are respectively arranged at two ends of the graphite mold 42, and a movable mold plate 47 is provided with a handle which is convenient for mold opening; the mold assembly 4 in this embodiment is a quick-release mold, the mold bracket 41 is made of steel, the graphite mold 42 is arranged inside the mold bracket 41, in the manufacturing process, after the mold bracket 41 is processed, the fixed mold plate 46 of the graphite mold 42 is fixed on the mold bracket 41 and fixed by bolts, the mold bracket 41 is provided with a clamping groove 44 rotatably mounted on the mold bracket 41, the graphite mold 42 is fixed on the mold bracket 41, the movable mold plate 47 is closed, and then the movable mold plate 47 and the fixed mold plate 46 are fixed by the clamping groove 44 and fastened by using compression bolts; when in demoulding, firstly the compression bolt is loosened, then the clamping grooves 44 at the two ends are screwed off around the second hinge 45 (the demoulding direction of the mould is not influenced), and the product is opened by bypassing the first hinge 48 through the handle, so that the product is taken out;

the conveying mechanism is a circulating track conveyor 8, the circulating track conveyor 8 comprises a conveying motor and a conveying belt, and the mold bracket 41 is detachably fixed on the conveying belt; in the embodiment, the conveying motor drives the chain type conveying belt 81 through the gear, so that the precision of the translation pair of the conveying machine is guaranteed, data recording is performed at regular time, parameters are convenient to adjust in the later period, dual guarantee is realized by combining monitoring of a photoelectric monitoring device, the mould assembly 4 is guaranteed to accurately move to a casting operation position, a signal is fed back to the control unit to control the first driving assembly to drive the pouring furnace 10 to realize automatic casting operation, and the production efficiency is improved; the chain is provided with a fixing plate 82, and the fixing plate 82 is fixed to the mold bracket 41 by bolts, thereby fixing the mold assembly 4.

In this embodiment, the control unit is PLC control system 1, and smelting pot feed arrangement, smelting pot casting device, mould preheat conveyor, photoelectric monitoring device all are connected with PLC control system 1 electricity.

The working principle of the liquid level interlocking automatic casting system is as follows:

under the control of the PLC control system 1, metal ingots which are orderly arranged at the feeding device 13 are clamped and placed into the pouring furnace 10 through the manipulator 3, the clamping process is firstly moved to the second photoelectric monitoring device 52 to detect whether the clamping is successful, then the pouring furnace 10 is heated, the metal ingots which are placed into the pouring furnace are melted at high temperature, and the melted metal materials are quantitatively cast to the preheated mold assembly 4 through the pouring melting furnace;

the mould assembly 4 needs to be preheated by the mould oven 2 before the materials are poured, the preheating temperature is set according to the situation, and the phenomenon that the materials in the mould assembly 4 shrink abnormally to generate bubbles or shrinkage marks in the cooling process due to overlarge temperature difference between the mould assembly 4 and the metal materials in the casting process is avoided; the mold assembly 4 consists of a mold bracket 41 and a graphite mold 42, the graphite mold 42 is arranged on the mold bracket 41 and is fixed through bolts, the assembled mold assembly 4 is fixed on a circulating track conveyor 8, the circulating track conveyor 8 is precisely controlled by a servo motor to convey the mold assembly 4 to a heating tunnel of the mold oven 2 for heating, after the integral temperature of the mold assembly 4 reaches the temperature required by the casting process, the circulating track conveyor 8 is precisely controlled by the servo motor to convey the mold assembly 4 to the lower part of a pouring port of the pouring furnace, a first photoelectric monitoring device 51 is arranged on the side of the conveying track, when the mold assembly 4 moves to the casting operation position and the first photoelectric monitoring device 51 senses, the position information is fed back to the PLC control system 1, and after the PLC control system 1 receives a feedback signal, the mold assembly 4 is judged to be accurately moved to the casting operation position, the control system controls the first driving device 12 to enable the pouring smelting furnace to slowly tilt and pour materials into the graphite mold 42 of the mold assembly 4 for casting operation, during pouring, the liquid level is monitored in real time through the laser liquid level meter 6, when the liquid level reaches 85% of the technological requirements, the first driving device 12 controls the pouring smelting furnace to slightly lift upwards, overflow caused by too high casting speed is avoided, after the technological requirements are met, a signal is fed back to the PLC control system 1, the pouring smelting furnace is lifted through the first driving device 12, the contact type liquid level meter 11 is arranged in the pouring smelting furnace, when the pouring smelting furnace is lifted through the first driving device 12 to an angle which ensures that the materials cannot be leaked, the contact type liquid level meter 11 feeds back a signal to the PLC control system 1, the pouring smelting furnace 10 is kept in the state, next casting operation can quickly enter the casting state, and the casting operation efficiency is improved; control circulation track conveyer 8 carries the mould subassembly 4 that the casting was accomplished and moves to next process cooling, after waiting to cool off the completion and correspond mould subassembly 4 and have moved to the product drawing of patterns and place district 7, loosen draw-in groove 44 fastening bolt and screw down, remove mould board 47 handle through the pulling and open the mould, and take out the product, automatic casting production operation is realized to the above process of circulation, according to the length of circulation track conveyer 8 and mould oven 2, put into the mould subassembly 4 of matching quantity and fix, restriction mould subassembly 4 preceding, back, a left side, right side 4 degrees of freedom. The production system is provided with an operation station of the PLC control system 1. The setting of PLC control system 1's operation station can greatly make things convenient for operating personnel's on-the-spot technology management and control and safe operation, further guarantee technology production safety and product quality assurance, can be provided with unusual warning and emergency stop button simultaneously, operating personnel sets up casting measurement and each level gauge calibration back at PLC control system 1 operation station, after the combination of mould subassembly 4 and fix on circulating track conveyer 8, start the automatic casting, equipment automatic operation, automatic alarm and stop during the anomaly, the quantity of the casting piece, the temperature during casting can real-time recording PLC automatic control operation station, convenient unusual investigation.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A furnace casting apparatus controlled by a control unit for casting molten metal into a mold assembly, the furnace casting apparatus comprising a pouring hearth, a first drive assembly for driving the pouring hearth into the mold assembly, and a liquid level measuring assembly; the liquid level measurement assembly is used for measuring liquid levels in the pouring furnace and the mold assembly.

2. The furnace casting apparatus of claim 1, wherein the tilting furnace comprises a furnace body and a first heating assembly for heating the furnace body, the first heating assembly being disposed outside the furnace body.

3. The furnace casting apparatus of claim 1, wherein the pouring furnace is provided with a spout chute and a second heating assembly for heating the chute.

4. The furnace casting apparatus of claim 1, wherein the first drive assembly includes a support arm, a base, a swing arm, and a hydraulic cylinder providing a power output; the supporting arm is connected with and supports the tilting furnace; one end of the rocker arm is connected with the dumping furnace, the other end of the rocker arm is connected with the power output end of the hydraulic cylinder, and the hydraulic cylinder realizes the inclined dumping casting operation of the dumping furnace by controlling the rocker arm to stretch up and down.

5. The furnace casting apparatus of claim 1, wherein the level measurement assembly comprises a first level gauge disposed within the pour furnace and a second level gauge disposed within the mold assembly.

6. The furnace casting apparatus of claim 5, wherein the first level gauge is a contact level gauge and the second level gauge is a laser level gauge.

7. The furnace casting apparatus of claim 1, further comprising an optoelectronic monitoring device for detecting whether the mold assembly reaches the casting side of the furnace casting apparatus and transmitting a signal to the control unit.

8. The furnace casting apparatus of claim 7, wherein the optoelectronic monitoring device is disposed on the pouring furnace.

9. The furnace casting apparatus as defined in claim 1, wherein the pouring furnace is a graphite crucible and the pouring furnace is provided with a robot for feeding.

10. A level-interlocked automatic casting system, comprising the furnace casting apparatus of any one of claims 1 to 9, for casting molten metal into a mold assembly.