CN217617695U - Liquid level interlocking automatic casting system and mold preheating and conveying device thereof - Google Patents

Abstract

The utility model belongs to the metal casting field discloses a mould preheats conveyor and uses this mould to preheat conveyor's automatic casting system, mould preheats conveyor and includes mould oven, conveying component and mould subassembly, the mould subassembly is fixed on conveying component, the mould oven is equipped with the inside zone of heating, conveying component passes the inside zone of heating of mould oven, and is used for driving the mould subassembly is in remove in the inside zone of heating of mould oven. The utility model discloses a mould preheats conveyor can realize the quick dismantlement of mould subassembly, the even heating before the mould subassembly casting, has reduced the difference in temperature between the metal liquid of mould and casting, has guaranteed product quality, then realizes quick form removal collection product.

Description

Liquid level interlocking automatic casting system and mold preheating and conveying device thereof

Technical Field

The utility model belongs to the metal casting field, concretely relates to chain automatic casting system of liquid level and mould preheat conveyor 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 current molten metal casting process, because of different physical properties of scattered metal, the difference between the temperature of the cast molten metal and the temperature of the die can directly influence the appearance quality and the cost of the product, and the surface of the cast product is not smooth due to overhigh or overlow temperature, so that the casting quality is influenced, and even the casting failure can be caused. The existing common method is to preheat a mold before casting, and relates to the problems of a mold preheating device and whether the mold preheating device can be timely transported to a casting point, material transfer and high-temperature environment during preheating and subsequent casting are easy to cause production accidents, the preheated high-temperature mold is transferred by wearing high-temperature gloves by an operator, the safety of the operator in the operation process cannot be reliably guaranteed, and the preheated mold is difficult to timely carry out casting operation of molten metal.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem that exists among the prior art, the utility model aims to provide a chain automatic casting system of liquid level and mould preheat conveyor thereof, this mould preheat conveyor can realize quick dismantlement, the even heating before the mould subassembly casting of mould subassembly, has reduced the difference in temperature between mould and the metal liquid of casting, has guaranteed product quality, then realizes quick the collection product of taking out the form of mould.

In order to achieve the above object, the utility model adopts the following technical scheme:

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

Further, the internal heating zone of the mold oven is a heating tunnel formed by an electric heating plate.

Further, the mold assembly comprises a mold bracket fixed on the conveying assembly and a graphite mold fixed on the mold bracket, wherein the graphite mold comprises a fixed mold plate, a movable mold plate rotatably mounted on the side surface of the fixed mold plate through a first hinge, and a buckling device between the movable mold plate and the fixed mold plate;

it is further preferred that the buckle device comprises a clamping groove rotatably mounted on the mold bracket through a second hinge, a compression bolt hole penetrating through the side wall of the clamping groove and a compression bolt adaptive to the clamping groove, one end of the graphite mold is arranged in or separated from the clamping groove through rotation of the second hinge, and the compression bolt penetrates through the compression bolt hole to compress the graphite mold arranged in the clamping groove.

Furthermore, the clamping groove is provided with two grooves for accommodating two ends of the graphite mold respectively.

Further, the movable die plate is provided with a handle for opening the die.

It is further preferred that the fixed die plate is detachably and fixedly mounted on the die carriage.

Further, the conveying mechanism is a circulating track conveyor, the circulating track conveyor comprises a conveying motor and a conveying belt, and the mold bracket is detachably fixed on the conveying belt; it is further preferred that the upper and lower rails of one end of the endless track conveyor are both located in the internal heating zone of the mold oven.

The embodiment also discloses an automatic casting device using the mold preheating and conveying device.

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

(1) The utility model discloses a mould preheats conveyor possesses creative structural design, and the mould oven is located conveying assembly's one end, just conveying assembly passes the mould oven, and conveying assembly shifts out, carries to the casting region mould assembly by the mould oven automatically, exports next process, shortens the track length of circulation conveying assembly when satisfying messenger's mould assembly and reaching the effect of preheating, reduces the operation place, improves the operating efficiency.

(2) The utility model discloses a mould subassembly design is quick detach mould, at first loosens clamp bolt during the drawing of patterns, revolves down the both ends draw-in groove around the second hinge afterwards, and does not influence mould drawing of patterns direction, is opening around first hinge through the handle, takes out the product, realizes quick form removal collection product.

(3) The liquid level interlocking automatic casting system of the utility model is provided with the control unit during operation, the control unit is arranged to greatly facilitate the field process and the safe operation of operators, and ensure the process production safety; an abnormal alarm and emergency stop button is further arranged, after casting parameters are set by an operator at an operating station of the PLC automatic control system, the operator starts automatic casting after placing a mold assembly, equipment automatically runs, and the automatic alarm and stop are carried out when the equipment is abnormal. Use the utility model discloses automatic casting system is at the casting operation in-process, and the temperature of casting quantity, casting liquid level, during the casting can take notes PLC automatic control operation station in real time, convenient unusual investigation, and production efficiency is high, and product quality is good, does not need personnel too much to control, reduces personnel intensity of labour, and the treatment effeciency is high, and it is nimble more convenient to operate, can handle by oneself continuous operation, has greatly promoted treatment effeciency and security, and later maintenance is simple.

(4) 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 schematic view of a mold bracket according to the present invention;

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

FIG. 6 is a schematic structural 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, baking the die; 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 following specific embodiments.

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. 1~8, the present embodiment discloses a liquid level interlocking automatic casting system and a mold preheating and conveying device thereof, wherein 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 drops into 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.

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 and 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 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.

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 by bolts; the clamping device comprises a clamping groove 44 which is rotatably arranged on the die bracket 41 through a second hinge 45, a pressing bolt hole which penetrates through the side wall of the clamping groove 44 and a pressing bolt which is matched with the clamping groove, one end of the graphite die 42 is arranged in or separated from the clamping groove 44 through the rotation of the second hinge 45, the pressing bolt penetrates through the pressing bolt hole to press the graphite die 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 die 42, and a movable die plate 47 is provided with a handle which is convenient for die opening; in the embodiment, the mold assembly 4 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 machined, a fixed mold plate 46 of the graphite mold 42 is fixed on the mold bracket 41 and fixed through bolts, a clamping groove 44 rotatably mounted on the mold bracket 41 is formed in 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 through the clamping groove 44 and fastened through 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 with the die bracket 41 through bolts, so that the die assembly 4 is fixed, and the upper track and the lower track at one end of the circulating track conveyor 8 are both positioned in the internal heating zone of the die oven 2.

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 is moved 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 (10)

1. The mold preheating and conveying device is characterized by comprising a mold oven, a conveying assembly and a mold assembly, wherein the mold assembly is detachably fixed on the conveying assembly, the mold oven is provided with an internal heating area, and the conveying assembly penetrates through the internal heating area of the mold oven and is used for driving the mold assembly to move in the internal heating area of the mold oven.

2. The mold preheat conveyor of claim 1, wherein the internal heating zone of the mold oven is a heating tunnel formed by an electrical heating plate.

3. The mold preheating conveyor assembly according to claim 1, wherein the mold assembly includes a mold bracket fixed to the conveyor assembly, a graphite mold fixed to the mold bracket, the graphite mold including a fixed mold plate, a movable mold plate rotatably mounted to a side of the fixed mold plate by a first hinge, and a snap fitting between the movable mold plate and the fixed mold plate.

4. The mold preheating conveying device according to claim 3, wherein the fastening device comprises a clamping groove rotatably mounted on the mold bracket through a second hinge, a pressing bolt hole penetrating through a side wall of the clamping groove, and an adaptive pressing bolt, one end of the graphite mold is placed in or removed from the clamping groove through rotation of the second hinge, and the pressing bolt penetrates through the pressing bolt hole to press the graphite mold placed in the clamping groove.

5. The mold preheating conveyor apparatus according to claim 4, wherein the engaging grooves are provided in two for receiving both ends of the graphite mold, respectively.

6. The mold preheating and conveying apparatus of claim 3, wherein the movable mold plate is provided with a handle for opening the mold.

7. The mold preheat feeding apparatus of claim 3, wherein the stationary mold plate is removably and fixedly mounted to the mold carriage.

8. The mold preheating conveyor assembly of claim 3, wherein the conveyor assembly is an endless track conveyor comprising a conveyor motor and a conveyor belt, and the mold carriers are removably secured to the conveyor belt.

9. The mold preheating conveyor apparatus according to claim 8, wherein the upper and lower conveying rails of one end of the endless rail conveyor are located in an internal heating zone of the mold oven.

10. A liquid level interlocking automatic casting system, which is characterized in that the liquid level interlocking automatic casting system comprises a mould preheating and conveying device of any one of claims 1~9, and is used for preheating a mould assembly, conveying the preheated mould assembly to the casting side of a pouring furnace for casting, and conveying the mould assembly reaching the casting liquid level to the next process.

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