CN102159344B - Mold-setting apparatus for upper and lower molds with flasks - Google Patents
Mold-setting apparatus for upper and lower molds with flasks Download PDFInfo
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- CN102159344B CN102159344B CN200980137068.1A CN200980137068A CN102159344B CN 102159344 B CN102159344 B CN 102159344B CN 200980137068 A CN200980137068 A CN 200980137068A CN 102159344 B CN102159344 B CN 102159344B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C19/00—Components or accessories for moulding machines
- B22C19/04—Controlling devices specially designed for moulding machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C23/00—Tools; Devices not mentioned before for moulding
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Abstract
The present invention provides a mold-setting apparatus for upper and lower molds with flasks, in which the detection precision of poor mold-setting at the time of setting the upper and lower molds shaped is improved to prevent a molten metal from spilling from a parting plane. The mold-setting apparatus comprises: a lifting cylinder placed over four upright posts; a lifting assembly including a lifting table fixed on the rod tips of the lifting cylinder, and a support mechanism disposed below the lifting table and having transfer rollers removably brought to the lower one of an upper worked face and a lower worked face which are worked on the two upper and lower faces of protrusions formed at the two ends of the upper flask of the upper mold; at least four displacement sensors arranged on the lifting assembly toward the upper worked face of the upper mold, for measuring the displacement of the upper worked face; and a framing deterioration detecting means for deciding the framing deterioration on the basis of both the measurement values, which are obtained by measuring the displacements of the upper worked face in the lifted state of the upper mold and the mold-set state, and a preset framing deterioration condition.
Description
Technical field
The present invention relates to the mold closing mechanism with the upper casting mold and lower casting mold of sandbox.In more detail, relate to moulding with the upper casting mold and lower casting mold matched moulds of sandbox the time detect the bad mold closing mechanism with the upper casting mold and lower casting mold of sandbox of matched moulds.
Background technology
In the past, by moulding machine by moulding with the upper mold of sandbox with the lower mold of sandbox, alternate configurations is carried in roller path and by this roller path, and, after the upper mold that this conveying picks up sandbox is reversed, upper casting mold and lower casting mold is carried out matched moulds and utilizes the casting machine cast.And, as this is carried out the device of matched moulds with the upper casting mold and lower casting mold of sandbox, have various devices (for example with reference to patent documentation 1).
But, combined shaping (near net shape) by nearest the time, the raising of foundry goods blank precision, pattern draft dwindle and without the propelling of feather, when the casting mold of the large core print of the core that uses complicated shape as the cylinder cover of engine is carried out matched moulds, cooperate with the jog of casting mold in the harsh situation at the core print of core, sometimes be the state of inclination with as shown in Figure 9 the upper mold 101 with sandbox with respect to the lower mold 102 with sandbox or be not close to the state that floats with the lower mold 102 of sandbox with the upper mold 101 with sandbox as shown in figure 10 and carry out matched moulds.In addition, in Fig. 9, label 103 is cores, and label 104 is core prints.And number in the figure δ 1 is the height less than the setting value of the sand-pack height of regular matched moulds state, and label δ 2 is height larger than the setting value of this sand-pack height.
Such matched moulds bad with the upper mold 101 of the sandbox situation with respect to or float state inclined with the lower mold 102 of sandbox under, when cast, overflow motlten metal from land area (die joint) up and down, produce the bad of foundry goods blank.
Therefore, as detecting the mold closing mechanism that matched moulds is bad, prevent from overflowing from die joint motlten metal, sensors configured between the upper drag box of matched moulds, the relative distance of cope and drag box is measured in expectation effectively, but there are the following problems: the space that arranges that is difficult to guarantee sensor, and, in order to improve precision a plurality of sensors need to be set, produce the large number quipments expense.
To this, consider to have following mold closing mechanism 110, shown in Figure 11～12, by installing component (not shown) displacement transducer 106 downward-sloping 45 ° of ground are installed on respectively 4 pillars 105, with with the upper mold 101 of sandbox with lower mold 102 matched moulds of sandbox the time, among the machined surface of contact was rolled in processed being used for of the upper and lower surface of the jut 108 of the two side ends that is formed at cope 107, the level of measuring upper surface machined surface 109 changed.
110 pairs of bad detections of matched moulds of this mold closing mechanism preset the desired value of the target level of above-mentioned upper surface machined surface 109, exceed in the difference of measured value and this setting value in the situation of predefined threshold value to think that matched moulds is bad.
Patent documentation 1: Japan opens flat 6-34846 communique in fact
Yet, in the situation of above-mentioned mold closing mechanism, when moving into the matched moulds station with the upper mold 101 of sandbox, owing to upper mold 101 with sandbox is risen and keep out of the way, so can not vertically measure the horizontal displacement of upper surface machined surface 109, as shown in figure 12, must be calculated as from the measured value Lm1 that incline direction is measured scaled value Lm2 from vertical direction.
Therefore, keeping of repeatability was the important main cause that affects the level determination precision of upper surface machined surface when the precision of the installation site of 4 displacement transducers 106, the rigidity of installation portion and sensor exchanged, but, owing to can't avoid the installation exercise of above-mentioned displacement transducer 106, the deviation of installation site that upkeep operation causes, so be difficult to improve the bad accuracy of detection of matched moulds.
Summary of the invention
Therefore, the present invention finishes in view of above-mentioned situation, its purpose be to provide a kind of can improve moulding with the upper casting mold and lower casting mold matched moulds of sandbox the time matched moulds bad accuracy of detection, prevent from overflowing from die joint the mold closing mechanism with the upper casting mold and lower casting mold of sandbox of motlten metal.
The mold closing mechanism of the upper casting mold and lower casting mold with sandbox of the present invention, it is characterized in that, the mold closing mechanism of above-mentioned upper casting mold and lower casting mold with sandbox is equipped on the first conveying production line, on above-mentioned the first conveying production line, to be carried by overlapping in roller path and as with the upper mold of sandbox with the lower mold alternate configurations of sandbox of moulding machine moulding, after this is carried out matched moulds with the upper mold of sandbox with the lower mold of sandbox, pass out to the second conveying production line towards casting machine, the mold closing mechanism of above-mentioned upper casting mold and lower casting mold with sandbox possesses: lift cylinder, this lift cylinder loads down in central frame, and above-mentioned central frame is set up in the top of vertical 4 pillars establishing; Lifting unit, this lifting unit possesses lifting platform and supporting device, above-mentioned lifting platform is fixed in the front end of the piston rod of this lift cylinder, above-mentioned supporting device is arranged on this lifting platform bottom, and can be with respect to lower surface machined surface loading and unloading conveying roller, above-mentioned lower surface machined surface be the upper and lower surface of the jut that forms at the both ends of the cope of above-mentioned upper mold with sandbox after processed the upper surface machined surface and the lower surface machined surface in the lower surface machined surface; Displacement transducer has at least four above-mentioned displacement transducers to be configured in above-mentioned lifting unit towards the upper surface machined surface of above-mentioned upper mold with sandbox, and this displacement transducer is used for measuring the displacement of this upper surface machined surface; And the bad detecting unit of matched moulds, make under this state that rises with the upper mold of sandbox and measured value and the predefined matched moulds bad condition of the displacement of this upper surface machined surface under the state behind the matched moulds based on measuring respectively, to carry out the bad judgement of matched moulds.
In addition, preferred above-mentioned matched moulds bad condition comprises: make under this state that rises with the upper mold of sandbox and the maximum of the measured value of the displacement of this upper surface machined surface under the state behind the matched moulds and minimum of a value poor according to measuring respectively, to come the inclination of the cope behind the matched moulds is calculated.
In addition, preferred above-mentioned lift cylinder is set up the detector of the displacement that can detect above-mentioned lifting unit.
In addition, the above-mentioned matched moulds bad condition of preferred above-mentioned matched moulds bad condition comprises: the stop position when utilizing above-mentioned detector to calculate matched moulds during the Halfway Stopping of above-mentioned conveying roller is with respect to the slippage that stops the target location; Revise the displacement of the upper surface machined surface of the cope under the state behind the matched moulds with this slippage; And use the displacement of revising to calculate floating of cope behind the matched moulds.
In addition, preferred above-mentioned matched moulds bad condition also comprises: above-mentioned floating of calculating carried out also will considering conveying roller and the gap between the cope of above-mentioned Halfway Stopping position and the die joint side sand-pack height calculating afterwards of going up drag box.
According to the present invention, by at the lifting unit configuration bit displacement sensor by the lift cylinder lifting, even if produce skew, the repeatability in the time of can not keeping exchange of the installation site of this displacement transducer, also can absorb the error of the determining displacement value of upper surface machined surface, can improve as the inclination of the bad cope of matched moulds and the accuracy of detection of floating, therefore, can prevent from overflowing motlten metal from die joint.
The specific embodiment
Below, describe based on the mold closing mechanism of accompanying drawing to the upper casting mold and lower casting mold with sandbox of the present invention.Shown in Fig. 1～3, the mold closing mechanism 1 of present embodiment is equipped on the downstream of the first conveying production line 4, on the first conveying production line 4, will by the upper mold with sandbox of moulding machine (not shown) moulding (below, referred to as upper mold) M1 and with the lower mold of sandbox (below, referred to as lower mold) the M2 alternate configurations is in roller path 2, and utilization is carried at promotion cylinder (not shown) and 3 pairs one covers of the bounce cylinder sandbox of the configuration of Fig. 3 paper left side.The above-mentioned roller path 2 that is used for alternately moving into upper mold M1 and lower mold M2 in the upstream that is disposed at this mold closing mechanism 1, set up a pair of trapped orbit 6,6 pairs of board carriage 5 for mounting lower mold M2 of this a pair of fixed guide guide and it are travelled along this a pair of trapped orbit 6.
In addition, be provided with the tipper (not shown) of upset upper mold M1 at above-mentioned the first conveying production line 4.And after above-mentioned upper mold M1 and lower mold M2 were carried out matched moulds, the upper casting mold and lower casting mold of this matched moulds passed out to the second conveying production line 7 of the casting machine (not shown) that arranges towards the vertical direction at paper.In the present embodiment, for the upper casting mold and lower casting mold with matched moulds passes out to the second conveying production line 7, and use hoisting crane 22, this hoisting crane 22 possesses: driven roller mechanism, this driven roller mechanism is made of driven roller 14, sprocket wheel 15, chain 16 and motor 17, wherein, driven roller 14 is fixed on the two ends by the rotating shaft 13 of the bearing 12 axles supporting all around that is arranged at movable base 11, and sprocket wheel 15 makes the end rotation of this rotating shaft 13; A pair of trapped orbit 20, this a pair of trapped orbit 20 is by vertical pillar 19 supportings of being located at fixed pedestal 18; And second lift cylinder 21, this second lift cylinder 21 makes above-mentioned movable base 11 liftings.In addition, in the present embodiment, for the upper casting mold and lower casting mold with matched moulds passes out to the second conveying production line 7, and use hoisting crane 22, but in the present invention, be not limited thereto, also can suitably use traverse table.
Opposed both ends at the cope F1 of above-mentioned upper mold M1 are formed with jut Ff.And, the upper and lower surface of this jut Ff, processed for the roller 2a rolling contact that makes the roller path 2 of carrying upper mold M1.By the lifting action of the first lift cylinder 31 and the on-off action of latch-release cylinder 46, the upper surface machined surface Ffa after can be processed with respect to this upper and lower surface and the lower surface machined surface Ffb among the lower surface machined surface Ffb load and unload conveying roller 49 described later.
The related mold closing mechanism of an embodiment of the invention possesses: the first lift cylinder 31; Lifting unit 34, it is made of the lifting platform 32 of the front end of the piston rod 31a that is fixed in this first lift cylinder 31 and the supporting device 33 that is arranged at this lifting platform 32; Displacement transducer 35, its upper surface machined surface Ffa towards above-mentioned upper mold M1 is disposed at above-mentioned lifting unit 34; The bad detecting unit 36 of matched moulds, its measured value and predefined matched moulds bad condition based on this displacement transducer 35 carries out the bad judgement of matched moulds; And above-mentioned hoisting crane 22.
Above-mentioned the first lift cylinder 31, set up the encoder (not shown) as detector, with displaced position that can test rod 31a, this first lift cylinder 31 carries down and is placed at the quadra 38a that sets up the vertical top of being located at 4 pillars 37 on ground and this central frame 38b among the central frame 38b.In addition, be provided with guide rod 39 in the both sides of this first lift cylinder 31.In addition, in order to measure the displacement of piston rod 31a, as detector, for example can use linear movement pick-up (not shown) to replace above-mentioned encoder.
In addition, as the first lift cylinder 31, can use hydraulic cylinder, cylinder or electric cylinder.
Above-mentioned supporting device 33 is by consisting of such as lower member: a pair of horizontal part 42, it is fixed in support unit 41 in the formation of the lower surface of above-mentioned lifting platform 32 along the direction of moving into direction (below, referred to as moving into direction) quadrature with upper casting mold and lower casting mold M1, M2; A pair of moving-member 45, it has the retainer 44 chimeric with the guide pin 43 that forms at two front ends of this horizontal part 42; Latch-release cylinder 46, its two ends pin is incorporated into the Ce of this a pair of moving-member 45; 4 arms 47, it is vertically installed in above-mentioned retainer 44; Pair of rolls framework 48, it is along the lower end of moving into direction and be fixed in the arm 47 of adjacency; And conveying roller (free roll) 49, it rotates the inner face that the earth's axis freely is supported on each roller framework 48.In addition, screw togather the retainer nut 43a of retainer 44 at the front end of guide pin 43.
In addition, in the present embodiment, the roller framework 48 of the side among the above-mentioned pair of rolls framework 48 is equipped with for the clamping part 50 that upper mold M1 is positioned.The relative location of this upper mold M1, the clamping part 51 that is used for carrying out the location of lower mold M2 is installed on pillar 37.
Above-mentioned displacement transducer 35, so long as can measure in non-contacting mode the sensor of displacement (distance) of the upper surface machined surface Ffa of above-mentioned cope F1, just there is no particular limitation, but can adopt laser displacement sensor.
In addition, in order to detect at least the inclination as the bad cope F1 of matched moulds, dispose at least 4 these displacement transducers 35 at the periphery of above-mentioned lifting unit 34.In the present embodiment, above-mentioned displacement transducer 35 is installed on above-mentioned 4 arms 47 by installing component 61, but in the present invention, is not particularly limited in this, for example can be installed on by installing component the position all around of above-mentioned lifting platform 32.
The bad detecting unit 36 of above-mentioned matched moulds for example can be equipped on the control panel (not shown) of controlling mold closing mechanism 1.In addition, the measured value of the displacement transducer 35 of the bad detecting unit 36 of this matched moulds, be measure respectively make under the state that upper mold M1 rises and make this upper mold M1 and matched moulds that lower mold M2 overlaps after state under the measured value of displacement of upper surface machined surface Ffa.
In addition, as the matched moulds bad condition, in the situation of the inclination that detects cope F1, after said determination value calculating tilt quantity, compare with threshold value.
In addition, in the situation of floating that detects cope F1, after the slippage (amount of falling) of midway (centre) stop position of the conveying roller 49 when calculating matched moulds, use the displacement of the upper surface machined surface Ffa of the cope F1 of state behind this slippage correction matched moulds.Then, calculate floating of cope F1 with revised displacement.Afterwards, further as shown in Figure 5, will consider that the conveying roller 49 of Halfway Stopping position and die joint side sand-pack height h2 calculated value and the threshold value afterwards of the gap h1 between the cope F1 and upper drag box F1, F2 compare.
In addition, the inclination of above-mentioned cope F1 and the detection of floating, although can separately judge, also with both detections, detect in the bad situation in the judgement according to any, it is bad also can be judged as matched moulds.
In addition, for above-mentioned slippage, be in the situation of hydraulic cylinder or cylinder at the first lift cylinder 31, it is the amount of movement from regular position movement when stopping such as leakage etc. because of oil or air, being in the situation of electric cylinder at the first lift cylinder 31, is because of such as the amount of movement from regular position movement when stopping such as abrasion of brake component.
Action to the mold closing mechanism of such formation describes.
At first, as shown in Figure 3, send to the upper mold M1 of hoisting crane 22 sides from roller path 2, moved in advance on the conveying roller 49 of supporting device 33 of bottom of the lifting platform 32 that the elongation action by the first lift cylinder 31 descends.
Then, as shown in Figure 4, when the contractive action by the first lift cylinder 31 rises cope F1 on the conveying roller 49 of supporting device 33 of bottom of lifting platform 32, load in the drag box F2 of the lower mold M2 of board carriage 5 and moved on the trapped orbit 20 of hoisting crane 22.
At this state, measure the horizontal displacement (apart from the distance of displacement transducer 35) of the upper surface machined surface Ffa of the cope F1 on 4 place's conveying rollers 49.
Then, shown in Fig. 5～6, make the first lift cylinder 31 do elongation action and on the drag box F2 that cope F1 dropped to move into, and, conveying roller 49 is broken away from from the lower surface machined surface Ffb of cope F1, thereby finish matched moulds.
Under this state, measure the horizontal displacement (apart from the distance of displacement transducer 35) of the upper surface machined surface Ffa of the cope F1 on the 4 drag box F2 of place.
Then, utilize the bad detecting unit 36 of above-mentioned matched moulds to carry out the bad judgement of matched moulds of cope F1.At this moment, in the situation that tilts or float, show bad signal at guidance panel, and give a warning.
Then, make latch-release cylinder 46 do the elongation action, and conveying roller 49 is moved towards the outside from the below of the lower surface machined surface Ffb of cope F1.
Then, as shown in Figure 8, do elongation action by the second lift cylinder 21 that makes hoisting crane 22, driven roller 14 rises, and lift board carriage 5 via the track 5a of board carriage 5, and the wheel 5b of board carriage 5 leaves from trapped orbit 20.Thus, take out of from the second conveying production line 7 owing to will change the matched moulds that is downloaded on the driven roller 14, thus by the contractive action of the first lift cylinder 31 conveying roller 49 of lifting unit 34 is risen, thus finish the matched moulds operation.
Embodiment
Next, the embodiment 1 of the bad detecting unit of matched moulds among the present invention is described, but the present invention is not limited to this embodiment 1.
At first, the inclination that utilizes the bad detecting unit of matched moulds to judge the cope behind the matched moulds is described.
(1a) as shown in Figure 4, after moving into upper mold M1, cope F1 is being loaded under the state on the conveying roller 49, utilizing displacement transducer 35 to measure the displacement a of upper surface machined surface Ffa of 4 corners of cope F1.And, store these measured values (a1, a2, a3, a4).
In addition, before measuring, the situation that all conveying rollers 49 is adjusted into level is confirmed.
Herein, for the measured value (a1, a2, a3, a4) of above-mentioned displacement a, because the alignment error of 4 displacement transducers 35 also can be a1 ≠ a2 ≠ a3 ≠ a4.
(2a) behind matched moulds, cope F1 is being loaded under the state on the drag box F2, utilize displacement transducer 35 to measure the displacement b of upper surface machined surface Ffa of 4 corners of cope F1.Then, store these measured values (b1, b2, b3, b4).
(3a) calculate the 4 displacement difference ci of place (i=1,2,3,4) of the cope F1 before and after the matched moulds by following formula (1)～(4).
c1＝a1-b1 ……(1)
c2＝a2-b2 ……(2)
c3＝a3-b3 ……(3)
c4＝a4-b4 ……(4)
(4a) inclination of the cope F1 behind the calculating matched moulds.
At first, calculate respectively maximum and the minimum of a value of the displacement difference ci at 4 places, when it is made as Cmax, Cmin, calculate the inclination d of cope F1 by following formula (5).Then, store this calculated value.
d＝Cmax-Cmin ……(5)
(5a) judgement is bad as the bad inclination of matched moulds.
For example be in the situation of 2mm in predefined threshold value, by following formula (6) expression determine type.
d＞2 ……(6)
Satisfy in the situation of formula (6) in the result who judges, send the signal that stops the matched moulds operation, and show that matched moulds is bad.
In present embodiment 1, utilize each displacement transducer 35 to measure the displacement of the cope F1 on the conveying roller 49, and calculate and poor between the displacement of the cope F1 that measures behind the matched moulds on the drag box F2, therefore, even if the repeatability when the installation site precision of 4 displacement transducers 35 produces deviation or can not keep exchange can not impact result of calculation yet.
In addition, in the situation of present embodiment 1, calculate the poor of maximum and minimum of a value according to the displacement difference before and after the matched moulds at 4 places, judge thus the inclination of the cope F1 behind the matched moulds, therefore, even if the die joint side sand-pack height h2 (with reference to Fig. 5～6) that stops precision, upper drag box F1, F2 of the Halfway Stopping of lifting unit 33 produces deviation, can not impact result of calculation yet.
Next, the embodiment 2 of the bad detecting unit of matched moulds among the present invention is described, but the present invention is not limited to this embodiment 2.
Judge that to utilizing the bad detecting unit of matched moulds the floating of cope behind the matched moulds describes.
Because (1b)～(2b) (1a)～(2a) with above-described embodiment 1 is identical, so their description is omitted.
(3b) as shown in Figure 5, formula (7) by lower surface is calculated slippage L, this slippage L is the slippage of midway (centre) stop position (the regular stop position of the first lift cylinder) of conveying roller 49 when by encoder cope F1 being loaded the matched moulds of the state on the drag box F2, then, store this calculated value.In addition, above-mentioned Halfway Stopping position refers to, after the conveying roller 49 that makes mounting cope F1 descended, when matched moulds reliably, this conveying roller 49 was from position that the lower surface machined surface Ffb of cope F1 breaks away from.
The desired value L0 of the stop position of the output valve of the stop position of L=conveying roller (measured value) L1-conveying roller ... (7)
(4b) according to following formula (8)～(11) the displacement bi (i=1,2,3,4) of the upper surface machined surface Ffa of 4 corners of above-mentioned cope F1 is added that slippage L revises.Then, store this calculated value ei (i=1,2,3,4).
e1＝b1+L ……(8)
e2＝b2+L ……(9)
e3＝b3+L ……(10)
e4＝b4+L ……(11)
(5b) calculate floating of cope F1 before and after the matched moulds by following formula (12)～(15).Then, store this calculated value fi (i=1,2,3,4).
f1＝a1-e1 ……(12)
f2＝a2-e2 ……(13)
f3＝a3-e3 ……(14)
f4＝a4-e4 ……(15)
Relatively this calculation value fi and predefined threshold value, can judge as matched moulds bad float bad, but in present embodiment 2, further, by carry out following calculating can take a decision as to whether precision high float bad.
(6b) by following formula (16)～(19) above-mentioned calculated value fi (i=1,2,3,4) is revised after, calculate maximum Gmax according to these correction values gi (i=1,2,3,4).
g1＝f1-h1-h2 ……(16)
g2＝f2-h1-h2 ……(17)
g3＝f2-h1-h2 ……(18)
g4＝f4-h1-h2 ……(19)
Herein, shown in Fig. 5～6, h1 does not have conveying roller 49 in the situation of slippage of Halfway Stopping position and the gap between the cope F1, for example can be set as 10mm.In addition, shown in Fig. 5～7, h2 is the die joint side sand-pack height of upper drag box F1, F2, for example can be set as 2mm.
In addition, about this setting value h1, h2, at random change setting.
(7b) judge as matched moulds bad float bad.
For example be in the situation of 2mm in predefined threshold value, determine type represents by following formula (20).
Gmax＞2 ……(20)
Satisfy in the situation of formula (20) in the result who judges, send the signal that stops the matched moulds operation, and show that matched moulds is bad.
In present embodiment 2, same with above-described embodiment 1, utilize each displacement transducer 35 to measure the displacement of the cope F1 on the conveying roller 49, and calculate and poor between the displacement of the cope F1 that measures behind the matched moulds on the drag box F2, even if the repeatability when the installation site precision of 4 displacement transducers 35 produces deviation or can not keep exchange can not impact result of calculation yet.
In addition, for present embodiment 2, although there is the such uncertain factor of variation of the die joint side sand-pack height h2 of drag box F1, F2, do not produce and the phenomenon of floating is effective for cope F1.
In addition, such as Fig. 5 and shown in Figure 8, for the uneven wear of the wheel 5b of trapped orbit 20, board carriage 5; Adhere to molding sand in board carriage 5; Because bad causing of sand washing of the anti-die joint of drag box F2 changes based on the height h3 of anti-die joint side back-up sand, and then cause the change in displacement of cope F1 because of this change, as going out with the bad same abnormality detection of matched moulds, but because play the effect that prevents from overflowing motlten metal at secure context, constantly can learn through investigation in the bad demonstration of matched moulds unusual, so there is not large problem.
The application file an application in Japan take on September 22nd, 2008 Japanese Patent Application 2008-242097 number is as the basis, and related content forms the part of teachings herein.
And, can understand more completely the present invention by the detailed description of this specification.But detailed explanation and specific embodiment only are preferred embodiments of the present invention, only describe for purposes of illustration and in addition.For a person skilled in the art, certainly can carry out various modifications and changes from this detailed explanation.
In the embodiment that the applicant is not intended to put down in writing any offered to the public, in disclosed change, replacement scheme, the change and the replacement scheme that may not be included on language in the scope of claims also are a part of the present invention under the theory of identity.
In the record of this specification or claims, for the use of noun and same deictic word, as long as special instructions or as long as based on context clearly negate not, then should be interpreted as comprising odd number and plural number both.Any example that provides in this manual or exemplary term (such as " etc. ") use also only for easy explanation the intent of the present invention, as long as be not documented in especially in claims, just scope of the present invention is not applied restriction.
Description of drawings
Fig. 1 is the related front views with the major part of the mold closing mechanism of the upper casting mold and lower casting mold of sandbox of an embodiment of the invention.
Fig. 2 is the left side view of Fig. 1.
Fig. 3 is the front view of state that the down position of conveying roller is moved into cope in explanation.
Fig. 4 is that the explanation conveying roller lifts cope and makes it be in lifting position, and drag box is moved into the front view of state of the below of this cope.
The front view of midway (centre) stop position state of the conveying roller when Fig. 5 is the explanation matched moulds.
Fig. 6 is the side view of the major part of Fig. 5.
Fig. 7 is the enlarged drawing of the die joint sand-pack height of the upper drag box of explanation.
Fig. 8 is that explanation makes the matched moulds rising and makes conveying roller rise to the front view of the state of lifting position.
Fig. 9 is explanation with the upper mold of sandbox with respect to the inclined figure of the lower mold of sandbox.
Figure 10 is the state that floats with the lower mold of sandbox is not close in explanation with the upper mold of sandbox figure.
Figure 11 is the front view of mold closing mechanism in the past.
Figure 12 is the figure of level of the upper surface machined surface of the cope of explanation when being determined at the mold closing mechanism matched moulds of Figure 11.
Symbol description:
F1 ... cope; Ff ... jut; Ffa ... the upper surface machined surface; Ffb ... the lower surface machined surface; F2 ... drag box; M1 ... upper mold (upper mold) with sandbox; M2 ... lower mold (lower mold) with sandbox; 1 ... mold closing mechanism; 2 ... roller path; 2a ... roller; 3 ... bounce cylinder; 4 ... the first conveying production line; 5 ... board carriage; 5a: track; 5b ... wheel; 6 ... trapped orbit; 7 ... the second conveying production line; 11 ... movable base; 12 ... bearing; 13 ... rotating shaft; 14 ... driven roller; 15 ... sprocket wheel; 16 ... chain; 17 ... motor; 18 ... fixed pedestal; 19 ... pillar; 20 ... trapped orbit; 21 ... the second lift cylinder; 22 ... hoisting crane; 31 ... the first lift cylinder; 31a ... piston rod; 32 ... lifting platform; 33 ... supporting device; 34 ... lifting unit; 35 ... displacement transducer; 36 ... the bad detecting unit of matched moulds; 37 ... pillar; 38a ... framework; 38b ... central frame; 39 ... guide rod; 41 ... support unit; 42 ... horizontal part; 43 ... guide pin; 43a ... the retainer nut; 44 ... retainer; 45 ... moving-member; 46 ... latch-release cylinder; 47 ... arm; 48 ... the roller framework; 49 ... conveying roller; 50 ... clamping part; 51 ... clamping part; 61 ... installing component.
Claims (5)
1. the mold closing mechanism with the upper casting mold and lower casting mold of sandbox is characterized in that,
The mold closing mechanism of described upper casting mold and lower casting mold with sandbox is equipped on the first conveying production line, on described the first conveying production line, to be carried by overlapping in roller path and as with the upper mold of sandbox with the lower mold alternate configurations of sandbox of moulding machine moulding, after this is carried out matched moulds with the upper mold of sandbox with the lower mold of sandbox, pass out to the second conveying production line towards casting machine
The mold closing mechanism of described upper casting mold and lower casting mold with sandbox possesses:
Lift cylinder, this lift cylinder loads down in central frame, and described central frame is set up in the top of vertical 4 pillars establishing;
Lifting unit, this lifting unit possesses lifting platform and supporting device, described lifting platform is fixed in the front end of the piston rod of this lift cylinder, described supporting device is arranged on this lifting platform bottom, and can be with respect to lower surface machined surface loading and unloading conveying roller, described lower surface machined surface be the upper and lower surface of the jut that forms at the both ends of the cope of described upper mold with sandbox after processed the upper surface machined surface and the lower surface machined surface in the lower surface machined surface;
Displacement transducer has at least four described displacement transducers to be configured in described lifting unit towards the upper surface machined surface of described upper mold with sandbox, and this displacement transducer is used for measuring the displacement of this upper surface machined surface; And
The bad detecting unit of matched moulds makes under this state that rises with the upper mold of sandbox and measured value and the predefined matched moulds bad condition of the displacement of this upper surface machined surface under the state behind the matched moulds based on measuring respectively, carries out the bad judgement of matched moulds.
2. the mold closing mechanism of the upper casting mold and lower casting mold with sandbox according to claim 1 is characterized in that,
Described matched moulds bad condition comprises: make under this state that rises with the upper mold of sandbox and the maximum of the measured value of the displacement of this upper surface machined surface under the state behind the matched moulds and minimum of a value poor according to measuring respectively, to come the inclination of the cope behind the matched moulds is calculated.
3. the mold closing mechanism of the upper casting mold and lower casting mold with sandbox according to claim 1 is characterized in that,
Described lift cylinder is set up the detector of the displacement that can detect described lifting unit.
4. the mold closing mechanism of the upper casting mold and lower casting mold with sandbox according to claim 3 is characterized in that,
Described matched moulds bad condition comprises:
The Halfway Stopping position of described conveying roller is with respect to the slippage that stops the target location when utilizing described detector to calculate matched moulds;
Revise the displacement of the upper surface machined surface of the cope under the state behind the matched moulds with this slippage; And
Calculate floating of cope behind the matched moulds with the displacement of revising.
5. the mold closing mechanism of the upper casting mold and lower casting mold with sandbox according to claim 4 is characterized in that,
Described matched moulds bad condition also comprises: to the calculating after the described die joint side sand-pack height of floating the conveying roller that carries out also will considering described Halfway Stopping position and the gap between the cope and upper drag box that calculates.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008-242097 | 2008-09-22 | ||
| JP2008242097A JP4591585B2 (en) | 2008-09-22 | 2008-09-22 | Frame aligner for upper and lower mold with frame |
| PCT/JP2009/062806 WO2010032544A1 (en) | 2008-09-22 | 2009-07-15 | Mold-setting apparatus for upper and lower molds with flasks |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102159344A CN102159344A (en) | 2011-08-17 |
| CN102159344B true CN102159344B (en) | 2013-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200980137068.1A Active CN102159344B (en) | 2008-09-22 | 2009-07-15 | Mold-setting apparatus for upper and lower molds with flasks |
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| Country | Link |
|---|---|
| JP (1) | JP4591585B2 (en) |
| CN (1) | CN102159344B (en) |
| WO (1) | WO2010032544A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111556798A (en) * | 2018-02-23 | 2020-08-18 | 新东工业株式会社 | Method for preventing defects caused by deviation of cavity part |
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| JP6187269B2 (en) * | 2014-01-15 | 2017-08-30 | 新東工業株式会社 | Gas needle board type gas drilling method and apparatus for mold |
| JP6164527B2 (en) * | 2014-02-27 | 2017-07-19 | 新東工業株式会社 | Frame aligning apparatus and method for upper and lower mold with frame |
| US20180326475A1 (en) * | 2016-01-12 | 2018-11-15 | Sintokogio, Ltd. | Device and method that can detect misalignment between cope and drag |
| FR3057797B1 (en) * | 2016-10-20 | 2018-11-16 | Rc Tech | INDUSTRIAL ROBOT FOR MANIPULATING MOLDING CHASSIS AND MOLDING PLANT COMPRISING AT LEAST ONE SUCH ROBOT |
| CN107685138B (en) * | 2017-09-21 | 2024-01-30 | 江苏康柏斯机械科技有限公司 | Casting sand box |
| JP6841216B2 (en) * | 2017-12-12 | 2021-03-10 | 新東工業株式会社 | Frame alignment detection method and detection device for framed molds |
| CN111266523B (en) * | 2020-03-31 | 2024-04-26 | 苏州格乐博机械有限公司 | Sand casting equipment capable of realizing batch processing |
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| JP2573040B2 (en) * | 1988-10-21 | 1997-01-16 | 新東工業株式会社 | Top and bottom casting frame alignment method |
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| JP2573040B2 (en) * | 1988-10-21 | 1997-01-16 | 新東工業株式会社 | Top and bottom casting frame alignment method |
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| CN111556798A (en) * | 2018-02-23 | 2020-08-18 | 新东工业株式会社 | Method for preventing defects caused by deviation of cavity part |
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| Publication number | Publication date |
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| CN102159344A (en) | 2011-08-17 |
| JP2010069519A (en) | 2010-04-02 |
| WO2010032544A1 (en) | 2010-03-25 |
| JP4591585B2 (en) | 2010-12-01 |
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