CN103978164A - Integrated core manufacturing machine for manufacturing body core of cast housing through side evacuation - Google Patents

Abstract

The invention provides an integrated core manufacturing machine for manufacturing a body core of a cast housing through side evacuation, and belongs to the field of foundry equipment. The core manufacturing machine is composed of a machine base, a mold opening and closing assembly, a side evacuation mechanism, a sand blowing device, an electric heating device and a control cabinet. A fixed mold and a movable mold are arranged on the machine base, wherein a mold opening and closing cylinder is arranged on one side of the movable mold. An evacuation mold is arranged behind the movable mold, wherein an evacuation cylinder is arranged at the rear end of the evacuation mold. An advancing and retreating cylinder for a sand blowing hopper is arranged on a stand column of the machine base, wherein a sand blowing compaction cylinder is arranged above the sand blowing hopper, and a sand blowing pressing head is arranged below the sand blowing hopper. The electric heating device is fixed outside the fixed mold. The control cabinet is placed on the side face of the machine base. Side evacuation is conducted on a cavity sand core body core through the original side evacuation mechanism, and the cavity sand core body core and an auxiliary core box of an embedded core are simultaneously manufactured, so that the thick and large structure of a sand core is changed, solidification and hardening of the sand core are facilitated, the amount of precoated sand which is used is reduced, operation is flexible and convenient, labor intensity is lowered, the size of a mold core is accurate, the field environment is clean, design is novel, the structure is reasonable, and the core manufacturing machine is safe and reliable.

Description

A kind of casting box body core side whole core making machine of finding time

Technical field

A kind of casting box body core side whole core making machine of finding time belongs to Casting Equipment field.

Background technology

The version of casting box is varied, and its common feature is: complex-shaped, wall is thin and inhomogeneous, inside is chamber type, and working position is many, and difficulty of processing is large, hole system, the positional precision of plane, dimension precision requirement are high, and the projections such as lug and boss arrange more.Require casting box to there is good mechanical property and dimensional accuracy, and good compactness and air-tightness, must not there be the casting flaws such as shrinkage cavity, pore, sand holes, be the larger foundry goods of casting difficulty.Core making machine is with compressed air, suddenly to pressurize to blow core sand to be injected to the foundry machinery of the manufacture core of core box.Hot box process is that the thermosetting resin sand that adds proper catalyst is injected in the core box of 180～220 ℃, makes core harden at short notice certain thickness core-making method, and resistance to overturning is better, and temperature distortion is even., any surface finish accurate by the core size of hot box process manufacture, be widely used in casing casting.Casting box sand core manufacturing process is originally by body core, connect axis hole core, bearing saddle bore core is made respectively, play successively core, and the projections such as lug and boss are abandoned out with loose piece, cause lower core itself because of fit clearance existence morpheme error large; Because body core is thick large, be unfavorable for its setting and hardening, if shell mould moulding is without reliable location; In casting process, be prone to core shift, core floatation, strengthen foundry goods coaxiality deviation; Precoated sand use amount is large, and material cost is high.For overcoming the drawback of original casting box sand core manufacturing process, a kind of casting box body core of innovative development, the whole coremaking of hole core, together with mending, core is made simultaneously and mended to the secondary core box of core one and body core glues the process for core under integral body, its body core is and the corresponding hollow-core construction of casting cavity shape, mend core simultaneously and also will once make at core making machine, therefore need to be with a kind of brand-new core making machine.

Summary of the invention

Object of the present invention be exactly adapt to casting box body core, hole core and mend the whole core manufacturing craft of core in the urgent need to, a kind of casting box body of innovative development core side whole core making machine of finding time.

Technical scheme of the present invention is: core making machine is comprised of support, folding membrane module, the side several parts of mechanism, sand-aerating apparatus, electric heater unit and control cabinet of finding time; Quiet mould, dynamic model are housed on support, and dynamic model one side is equipped with folding mould cylinder; The mould of finding time is housed thereafter, and the cylinder of finding time is equipped with in the mould rear end of finding time; The advance and retreat cylinder of blast bucket is housed on the column of support, and blast compacting cylinder, lower dress blast pressure head are equipped with in blast bucket top; Electric heater unit is fixed on outside quiet mould; Control cabinet is placed on support side.

The invention has the beneficial effects as follows: the side of the original creation mechanism of finding time carries out side by chamber core body core and finds time, together with the secondary core box of embedded core one, once make simultaneously, changed the thick macrostructure of core, the setting and hardening that is conducive to core, reduced the use amount of precoated sand, back-up sand and compacting complete simultaneously and in hot core box, harden immediately, a cycle period only needs just can produce for tens seconds to tens seconds the core for casting, adopt electrical heating, temperature can be controlled automatically, flexible operation is light, reduce labor intensity, core size is accurate, place clean environment, novel in design, rational in infrastructure, safe and reliable.

Accompanying drawing explanation

Fig. 1 is die opening state structural representation of the present invention.

The matched moulds status architecture schematic diagram of Fig. 2 Fig. 1.

Fig. 3 is that schematic diagram is looked on the right side of the quiet mould of demonstration of Fig. 1.

The specific embodiment

In conjunction with Fig. 1, Fig. 2, Fig. 3, describe details of the present invention and the course of work in detail.The body core side whole core making machine of finding time is comprised of support, folding membrane module, the side several parts of mechanism, sand-aerating apparatus, electric heater unit and control cabinet of finding time; Quiet mould 1, dynamic model 3 are housed on support 11, and dynamic model 3 one sides are equipped with folding mould cylinder 4; The mould 2 of finding time is housed thereafter, and the cylinder 9 of finding time is equipped with in mould 2 rear ends of finding time; The advance and retreat cylinder 6 of blast bucket 7 is housed on the column of support 11, and blast compacting cylinder 5 is equipped with in blast bucket 7 tops, lower dress blast pressure head 8; Electric heater unit 10 is fixed on outside quiet mould 1; Control cabinet 12 is placed on support 11 sides.Before start, will check has foreign, has that equipment operator is close nothing but in moving component.Core making machine divides single step, automatic two kinds of modes of operation, every a collection of casting box is first used single-step operation mode: the gas source switch of opening control cabinet 12, check whether core making machine pressure reaches requirement, opening power main switch, check whether power supply indicator lights, and opens electrical heating switch, 10 pairs of mold heated of electric heater unit are to the temperature requiring, exhaust duct carbon distribution in core box die cavity is removed in die sinking, and release agent spraying; Press the matched moulds button of control cabinet 12,4 actions of folding mould cylinder, dynamic model 3 matched moulds; After matched moulds, press the blast button of control cabinet 12,6 actions of advance and retreat cylinder, blast compacting cylinder 5 actions after putting in place, blast pressure head 8 compresses after-blow sand hopper 7 and starts blast, and blast carries out with compression simultaneously, blast compacting cylinder 5 actions after blast compresses, blast pressure head 8 retreats and puts in place, and advance and retreat cylinder 6 resets; After reset, press the button of finding time of control cabinet 12, cylinder 9 action of finding time, the mould 2 of finding time adds chamber and core integral core to mend core and carry out side and find time, and the cylinder 9 of finding time resets; After resetting, core starts to solidify crust, hardening time, during die sinking, due to the effect of quiet mould 1 upper spring top power, core was followed automatically on dynamic model 3 to the rear die sinking button of pressing control cabinet 12, after manual taking-up core, press matched moulds button matched moulds and put in place, complete an operation cycle.By the core dressing burr taking out, after quality inspection is errorless, with regard to available automatic mode, produce by batch, follow procedure starting switch, core making machine is follow procedure automatic operation successively; Unclamp → blast of advance → pressure head of matched moulds → blast compression → blast → pressure head retreats → finds time and move → find time → crust → die sinking → taking-up core → matched moulds of finding time to reset → solidify.Safety notice in operation: equipment is on-stream, does not allow to touch motion parts and electric elements; While interrupting the equipment cut work in running because of externally fed, cut off device power supply (DPS) switch in order to avoid send a telegram here and cause danger again; In the work such as maintenance of equipment, inspection, adjustment, cleaning, should cut off the electricity supply and source of the gas; After maintenance, inspection, adjustment magnetic valve, likely do not return to original state, after energising, ventilation, will note observing, move and cause danger so as to avoid an accident; Equipment each several part at work as should be out of service immediately while there is the abnormalities such as abnormal sound, smell, checks the test run of must first manually dallying after adjusting; After equipment work, shut down and must be parked in home position, then cut off the electricity supply, source of the gas.The invention has the beneficial effects as follows: the side of the original creation mechanism of finding time carries out side by chamber core body core and finds time, together with mending the secondary core box of core one, once make, changed the thick macrostructure of core, the setting and hardening that is conducive to core, reduced the use amount of precoated sand, back-up sand and compacting complete simultaneously and in hot core box, harden immediately, a cycle period only needs just can produce for tens seconds to tens seconds the core for casting, adopt electrical heating, temperature can be controlled automatically, flexible operation is light, reduce labor intensity, core size is accurate, place clean environment, novel in design, rational in infrastructure, safe and reliable.

Claims (1)

1. a casting box body core side whole core making machine of finding time, it is characterized in that: core making machine is comprised of support, folding membrane module, the side several parts of mechanism, sand-aerating apparatus, electric heater unit and control cabinet of finding time: quiet mould (1), dynamic model (3) are housed on support (11), and dynamic model (3) one sides are equipped with folding mould cylinder (4); The mould of finding time (2) is housed thereafter, and the cylinder of finding time (9) is equipped with in the mould of finding time (2) rear end; The advance and retreat cylinder (6) of blast bucket (7) is housed on the column of support (11), and blast compacting cylinder (5), lower dress blast pressure head (8) are equipped with in blast bucket (7) top; Electric heater unit (10) is fixed on outside quiet mould (1); Control cabinet (12) is placed on support (11) side.