CN207188735U - Base evaporative pattern - Google Patents

Abstract

The utility model discloses a kind of base evaporative pattern, including front vertical plate（1）, left risers（2）, back vertical plate（3）, right risers（4）, top plate（5）, bottom plate（6）, left support portion and right support portion, described left risers（2）And right risers（4）It is symmetrical arranged；The beneficial effects of the utility model are：The application crucible former does not have evaporative pattern burning, and environmental pollution reduces, and because the combustion residue or gas of no evaporative pattern are in base, the product quality of base is more stable.

Description

Base evaporative pattern

Technical field

A kind of base evaporative pattern is the utility model is related to, belongs to casting technology field.

Background technology

Lost foam casting（Also known as cavityless casting）It is by the paraffin similar to casting dimension shape or bubbles model bonding group Synthetic model cluster, after brushing fireproof coating and drying, vibration molding in drystone sand is embedded in, is poured into a mould under negative pressure, makes model gas Change, liquid metals occupies modal position, and the novel casting method of casting is formed after solidification cooling.Existing lost-foam casting method In evaporative pattern be a non-disconnectable separated overall structure, method is to place it in sanding and spruing in a sandbox, In pouring liquid cast iron, be burned off, due in the burning of evaporative pattern at sprue channel open away from the direction of sprue channel open Burning slowly, so evaporative pattern may result in blockage to running channel so that cast is difficult to continue, the workpiece especially cast When larger, on the other hand, the product after evaporative pattern burning can not be discharged due to pouring liquid cast iron from sprue gate, and can only be mixed In the product of casting, the unstable product quality cast out is caused, the scrappage of product is high, and foam combustion falls to this Shen of foam And a kind of waste, runed counter to environmental protection concept instantly.

The content of the invention

The purpose of this utility model is to provide a kind of base evaporative pattern, solves the casting of prior art center base due to evaporative pattern Burn and cause the technological deficiency that air pollution is serious and unstable product quality, scrappage are high.

To solve the above problems, technical solution adopted in the utility model is：A kind of base evaporative pattern, using cystosepiment It is spliced, including front vertical plate, left risers, back vertical plate, right risers, top plate, bottom plate, left support portion and right support portion, it is described Left risers and right risers are symmetrical arranged；

Rear end of the both ends of described back vertical plate respectively with left risers and right risers is connected, a left side of being scrounged on described back vertical plate Right two the first circular holes, reinforcing plate after being each provided with one at the left and right ends on described back vertical plate top, and rear reinforcing plate On be provided with the second circular hole through rear reinforcing plate and back vertical plate；

Front end of the both ends of described front vertical plate respectively with left risers and right risers is connected, and two are provided with described back vertical plate Individual threeth circular hole corresponding with the first circular hole respectively；

The bottom of described left risers is provided with multiple to be opened up between the left hole of its both sides, adjacent two left holes Have the 4th circular hole, described left hole close to edge of the side of right risers along left hole be provided with four it is end to end Left short slab, four one end of left short slab away from left hole are connected by one block of left shrouding being vertically arranged, before described left risers The top at end is forwardly convex into left extension；

The bottom of described right risers is provided with multiple to be opened up between the right hole of its both sides, adjacent two right holes Have the 5th circular hole, described right hole close to edge of the side of left risers along right hole be provided with four it is end to end Right short slab, four one end of right short slab away from right hole are connected by one block of right shrouding being vertically arranged, before described right risers The top at end is forwardly convex into right extension；

The front end of described left extension is connected with the front end of right extension by one piece of front end-plate being vertically arranged, described Three pieces of preceding reinforcing plates being vertically arranged are connected between front vertical plate and front end-plate；

The upper surface of described bottom plate is connected with the bottom of front vertical plate, left risers, back vertical plate and right risers, described bottom plate On be provided with first rectangular opening group of four rows above and below it from left to right, each row's rectangular opening group includes ten rectangular openings, bottom plate Left part edge be provided with the corresponding left support plate in left hole, the right part edge of bottom plate is provided with corresponding with right hole Right support plate；

Left side, right side and the rear side of described top plate are connected with left risers, right risers and back vertical plate respectively, the middle part of top plate Cambered surface is raised up into, the left end and right-hand member of top plate are recessed into the left groove and right groove of U-shaped, described left groove separately down With two the first circular holes on right groove difference face back vertical plate, the top of described front vertical plate and the lower surface connection of top plate are used In roof supporting, the front end of top plate is connected with front end-plate, and be provided with front end-plate respectively with left groove and right groove phase Corresponding left U-shaped groove and right U-lag；

Left shape bar and right shape bar, described left shape bar and right are provided with described top plate along its length The bottom of shape bar is the arc that is engaged with cover top surface, is close on the upper surface of described top plate before left shape bar is provided with Latter two right baffle-plate, it is close to right shape bar and is provided with former and later two right shell bodies；

The longitudinally reinforced plate that three length directions along bottom plate are set, centre one are connected between described top plate and bottom plate Individual longitudinally reinforced plate is vertically arranged, and the longitudinally reinforced plate of lower end towards the centre of two longitudinally reinforced plates of both sides tilts, and Multiple first through hole are provided with each along its length direction on three longitudinally reinforced plates, are connected between described top plate and bottom plate The horizontal reinforcing plate that multiple widths along bottom plate are set, the second through hole is provided with described horizontal reinforcing plate；

Described left support portion includes being connected to the left front supporting plate in the left side of left risers and left back supporting plate, left front support Plate is connected with the left end of left back supporting plate by left stringer board, and the height of left front supporting plate is more than the height of left risers, left front supporting plate Right-hand member be higher by the parts of left risers and protrude into left front extension to the right, the height of left back supporting plate is more than the height of left risers, Left back extension, described left front supporting plate, left back branch are protruded into the right in the part that the right-hand member of left back supporting plate is higher by left risers Fagging is connected by left cover with left sealing plate respectively with the top of left risers with bottom, described left front supporting plate, left back support The bottom of plate and left risers is respectively provided with a left square opening, and described left square opening edge is provided with four and finishes up what is connected inwardly Left connection board, one end of the remote left square opening of left connection board are connected by left closed plate, and the bottom of described left sealing plate is set There are the left support block corresponding with left square opening, the third through-hole for the rectangle being provided with described left cover above and below it, institute There is riser connection between the left front supporting plate and left back supporting plate stated, connected between described left stringer board and left risers by transverse slat, Described riser is set with transverse slat into right-angled intersection；

Described right support portion is identical with the structure in left support portion, and right support portion is symmetrical arranged with left support portion.

The application first can dig out the evaporative pattern in sandbox to come, therefore evaporative pattern will not fire before the cast iron of pouring liquid Burn-up, avoid burning due to evaporative pattern and caused by pollution, on the other hand, pouring into a mould in the base of acquisition does not have evaporative pattern combustion The residue left after burning, the product quality of casting is more stable, and because the application has dug out evaporative pattern, liquid cast is in sandbox Flowing do not stop that the moulding by casting rate of the application has basically reached 100%, and the scrappage of evaporative pattern is extremely low.

As further improvement of the utility model, all junctions are fixed by the way of gluing.

In summary, the beneficial effects of the utility model are：The application crucible former does not have evaporative pattern burning, environmental pollution Reduce, because the combustion residue or gas of no evaporative pattern are in base, the product quality of base is more stable.

Brief description of the drawings

Fig. 1 is the dimensional structure diagram of the utility model in the base evaporative pattern.

Fig. 2 is the dimensional structure diagram of another angle of the utility model in the base evaporative pattern.

Fig. 3 is the sectional view for reacting the application center base evaporative pattern.

Embodiment

Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings.

Embodiment one：

Base evaporative pattern as shown in Figure 1, Figure 2 and Figure 3, is spliced using cystosepiment, including front vertical plate 1, left risers 2nd, back vertical plate 3, right risers 4, top plate 5, bottom plate 6, left support portion and right support portion, described left risers 2 and right risers 4 are symmetrically set Put.

Rear end of the both ends of described back vertical plate 3 respectively with left risers 2 and right risers 4 is connected, and is wiped on described back vertical plate 3 Two the first circular holes 7 in oily left and right, reinforcing plate 8 after being each provided with one at the left and right ends on the described top of back vertical plate 3, and after The second circular hole 9 through rear reinforcing plate 8 and back vertical plate 3 is provided with reinforcing plate 8.

Front end of the both ends of described front vertical plate 1 respectively with left risers 2 and right risers 4 is connected, and is opened on described back vertical plate 3 There are two threeth circular holes 10 corresponding with the first circular hole 7 respectively.

The bottom of described left risers 2 be provided with it is multiple through the left hole 11 of its both sides, adjacent two left holes 11 it Between offer the 4th circular hole 12, described left hole 11 is set close to edge of the side of right risers 4 along left hole 11 There are four end to end left short slabs 13, the four left one end of short slab 13 away from left hole 11 are by one block of left shrouding being vertically arranged 14 connections, the top of the described front end of left risers 2 are forwardly convex into left extension 15.

The bottom of described right risers 4 is provided with multiple opens between the right hole of its both sides, adjacent two right holes Provided with the 5th circular hole 17, described right hole is provided with four head close to edge of the side of left risers 2 along right hole The right short slab 18 that tail connects, the four right one end of short slab 18 away from right hole are connected by one block of right shrouding 19 being vertically arranged, institute The top for the front end of right risers 4 stated is forwardly convex into right extension 20.

The front end of described left extension 15 and the front end of right extension 20 are connected by one piece of front end-plate being vertically arranged 21, Three pieces of preceding reinforcing plates 22 being vertically arranged are connected between described front vertical plate 1 and front end-plate 21.

The upper surface of described bottom plate 6 is connected with the bottom of front vertical plate 1, left risers 2, back vertical plate 3 and right risers 4, described Bottom plate 6 on be provided with rectangular opening group of four rows above and below it from left to right, each row's rectangular opening group includes ten rectangular openings 23, The left part edge of bottom plate 6 is provided with the corresponding left support plate 24 in left hole 11, and the right part edge of bottom plate 6 is provided with and the right side The corresponding right support plate 25 of square hole.

Left side, right side and the rear side of described top plate 5 are connected with left risers 2, right risers 4 and back vertical plate 3 respectively, top plate 5 Middle part raise up into cambered surface, the left end and right-hand member of top plate 5 are recessed into the left groove 26 and right groove 27 of U-shaped separately down, Described left groove 26 and right groove 27 distinguish two the first circular holes 7 on face back vertical plate 3, the top of described front vertical plate 1 Roof supporting 5 is connected to the lower surface of top plate 5, the front end of top plate 5 is connected with front end-plate 21, and on front end-plate 21 It is provided with corresponding with left groove 26 and right groove 27 respectively left U-shaped groove 28 and right U-lag 29.

Left shape bar 30 and right shape bar 31, described left shape bar are provided with described top plate 5 along its length 30 and the bottom of right shape bar 31 be the arc that is engaged with the upper surface of top plate 5, be close to left on the upper surface of described top plate 5 Shape bar 30 is provided with former and later two right baffle-plates 32, is close to right shape bar 31 and is provided with former and later two right shell bodies 33.

The longitudinally reinforced plate 34 that three length directions along bottom plate 6 are set is connected between described top plate 5 and bottom plate 6, A middle longitudinally reinforced plate 34 is vertically arranged, the longitudinally reinforced plate of the lower ends of two longitudinally reinforced plates 34 of both sides towards centre 34 tilt, and are provided with multiple first through hole 35, described top plate 5 each along its length direction on three longitudinally reinforced plates 34 The horizontal reinforcing plate 36 that multiple widths along bottom plate 6 are set, described horizontal reinforcing plate 36 are connected between bottom plate 6 On be provided with the second through hole 37.

Described left support portion includes being connected to the left front supporting plate 38 and left back supporting plate 39 in the left side of left risers 2, left Front end panel 38 and the left end of left back supporting plate 39 are connected by left stringer board 40, and the height of left front supporting plate 38 is more than left risers 2 Highly, the right-hand member of left front supporting plate 38 is higher by the parts of left risers 2 and protrudes into left front extension 41 to the right, left back supporting plate 39 Highly it is more than the height of left risers 2, left back extension is protruded into the right in the part that the right-hand member of left back supporting plate 39 is higher by left risers 2 42, described left front supporting plate 38, the top of left back supporting plate 39 and left risers 2 and bottom are respectively by left cover 43 and left sealing Plate 44 connects, and the bottom of described left front supporting plate 38, left back supporting plate 39 and left risers 2 is respectively provided with a left square opening 45, The described edge of left square opening 45 is provided with four left connection boards 46 to connect that finish up, the remote left shape of left connection board 46 inwardly The one end in hole 45 is connected by left closed plate 47, and the bottom of described left sealing plate 44 is provided with a left side corresponding with left square opening 45 Support block 48, the third through-hole 49 for the rectangle being provided with described left cover 43 above and below it, described left front supporting plate 38 There is riser 50 to connect between left back supporting plate 39, connected between described left stringer board 40 and left risers 2 by transverse slat 51, it is described Riser 50 is set with transverse slat 51 into right-angled intersection.

Described right support portion is arranged on the right side of riser 4, and right support portion is identical with the structure in left support portion, and right Supporting part is symmetrical arranged with left support portion.

All plates are made of cystosepiment in the present embodiment, and the junction of all plates is consolidated by the way of gluing It is fixed.

Using the method for base lost foam casting base described herein, specifically comprise the following steps：

Step 1, face does that lining is flat on the basis of the upper surface of left cover 43, and the upper surface of top plate 5 is filled with cystosepiment, makes lining Flat upper surface and the top of left cover are located in same level；The application protects in the low-lying face of base evaporative pattern with lining is flat Hold in the same plane with reference plane at the top of whole base evaporative pattern, prevent during step 2 sanding due to foam mistake It is soft and by sand be collapsed.

Step 2, take the first sandbox to be placed in horizontal supports, the base evaporative pattern in step 1 is overturn, makes lining prosposition In lower section, and gentle base evaporative pattern bottom will be served as a contrast and lain in upward in the first sandbox, and sanding is molded into the first sandbox；This Shen Please in sand height it is identical with the height of base evaporative pattern, i.e. the upper surface of the sand surface above with base evaporative pattern is neat Flat, the height of preferable first sandbox of the present embodiment is equal with the height of base evaporative pattern.

Step 3, the second sandbox is taken to be placed on the first sandbox, and the sanding into the second sandbox；With the second sand mold and to Sanding in second sandbox, the sealing of base disappearance baffle plate 6 is realized, and the setting of the second sandbox is alsoed for after step 6 is devaned Bottom plate 6 can be exposed, conveniently digs out bottom plate 6.

Step 4, the first sandbox and the second sandbox are turned, puts down lining above, it is flat to remove lining.

Step 5, the 3rd sandbox is taken to be placed on the first sandbox and the sanding into the 3rd sandbox.

Step 6, unpack, the first sandbox, the second sandbox and the 3rd sandbox are separated, dug from the top and bottom of the first sandbox Go out base evaporative pattern, shape and base identical sand mold are formed in the first sandbox, the second sandbox and the 3rd sandbox.Disappear digging base During losing mould, if sand is dug up, then stop-off is needed, to the position back-up sand for being dug up sand, to keep the bottom cast out Seating face is more preferable without projection, the surface appearance of base.

Step 7, swabbing and dried on sand mold；Prevent in casting process, iron and sand stick together, that is, prevent from gluing Sand, it is easy to shaking out for step 10, while keeps the base surfaces cast out.

Step 8, the spruing on the 3rd sandbox；The application in sand mold due to not having evaporative pattern, so will not be cast to liquid The cast of iron produces stop, and flowing of the application medium cast iron solution in sand mold is more smooth, burns and disappears compared to prior art The method of mould, the application can pour into a mould cast iron faster, while the bore of sprue channel open can be more a little bit smaller.

Step 9, the 3rd sandbox and the second sandbox are covered into the above and below in the first sandbox respectively, from running channel to sandbox Interior pouring liquid cast iron simultaneously cools down.

Step 10, shake out and obtain base and be polished polishing to susceptor surface.

The obstruction of cystosepiment of the sand mold due to making evaporative pattern base in the application at left support portion and right support portion, with The sand mold of the application middle part is separated, and in step 7, the sand mold in left support portion and right support portion is taken out of first sandbox Go out swabbing respectively, facilitate the paint coating of whole sand mold, and after all sand molds complete swabbing again by left support portion and The sand mold in right support portion is put into the first sandbox, is spliced into complete sand mold again.

The present embodiment is preferable in step 3, and positioning hole is first opened on the sand mold in left support portion and right support portion again to the Sanding in two sandboxes, into the second sandbox during sanding, the position that the second sandbox contacts with the first sandbox is formed and positioning hole matching The projection of conjunction, step 7 play a part of positioning when splicing sand mold again.

Cystosepiment used in evaporative pattern is made in the application after being dug out out of sandbox, can be recycled to manufacture Cystosepiment use is processed into again in the factory of cystosepiment, the recycling of cystosepiment is realized, compared to burning in the prior art Evaporative pattern, the application not only environmental protection but also good economy performance, during the application pouring liquid cast iron, liquid cast is faster from sprue channel open Being flowed away from one end of sprue channel open, the cast iron of liquid gathers from one end away from sprue channel open to sprue channel open one end, compared to One end away from sprue channel open is evaporative pattern in the prior art, and liquid cast will slowly flow to remote with the burning of evaporative pattern One end of cast iron, when the lathe bed to be poured into a mould is larger, possible evaporative pattern has not yet burnt, and the cast iron gone out close to sprue channel open starts Solidification, causes cast iron to fail, and the application overcomes drawbacks described above, and the quality and effect of lathe bed casting is greatly improved Rate, because each evaporative pattern is simply possible to use in cast once, so the application reduces the scrappage of evaporative pattern.

It is prior art not do the part illustrated in description above, or can be realized by prior art. And it is only preferably case study on implementation of the present utility model that case is embodied described in the utility model, is not used for limiting Practical range of the present utility model.The equivalent changes and modifications that i.e. all contents according to present utility model application the scope of the claims are made, It all should be used as technology category of the present utility model.

Claims (2)

1. a kind of base evaporative pattern, is spliced using cystosepiment, it is characterised in that：Including front vertical plate（1）, left risers（2）, after Riser（3）, right risers（4）, top plate（5）, bottom plate（6）, left support portion and right support portion, described left risers（2）And right risers （4）It is symmetrical arranged；

Described back vertical plate（3）Both ends respectively with left risers（2）And right risers（4）Rear end connection, described back vertical plate（3） On scrounge left and right two the first circular holes（7）, described back vertical plate（3）Reinforcing plate after one is each provided with the left and right ends on top （8）, and rear reinforcing plate（8）On be provided with through rear reinforcing plate（8）And back vertical plate（3）The second circular hole（9）；

Described front vertical plate（1）Both ends respectively with left risers（2）And right risers（4）Front end connection, described back vertical plate（3） On be provided with two respectively with the first circular hole（7）The 3rd corresponding circular hole（10）；

Described left risers（2）Bottom be provided with it is multiple through the left hole of its both sides（11）, adjacent two lefts hole（11） Between offer the 4th circular hole（12）, described left hole（11）Close to right risers（4）Side along left hole（11） Edge be provided with four end to end left short slabs（13）, four left short slabs（13）Away from left hole（11）One end by one piece The left shrouding being vertically arranged（14）Connection, described left risers（2）The top of front end is forwardly convex into left extension（15）；

Described right risers（4）Bottom be provided with and multiple opened up between the right hole of its both sides, adjacent two right holes There is the 5th circular hole（17）, described right hole is close to left risers（2）Edge of the side along right hole be provided with four End to end right short slab（18）, four right short slabs（18）One end away from right hole is by one block of right shrouding being vertically arranged（19） Connection, described right risers（4）The top of front end is forwardly convex into right extension（20）；

Described left extension（15）Front end and right extension（20）Front end by one piece of front end-plate being vertically arranged（21）Even Connect, described front vertical plate（1）With front end-plate（21）Between be connected with three pieces of preceding reinforcing plates being vertically arranged（22）；

Described bottom plate（6）Upper surface and front vertical plate（1）, left risers（2）, back vertical plate（3）And right risers（4）Bottom connect Connect, described bottom plate（6）On be provided with rectangular opening group of four rows above and below it from left to right, each row's rectangular opening group includes ten Rectangular opening（23）, bottom plate（6）Left part edge be provided with left hole（11）Corresponding left support plate（24）, bottom plate（6）'s Right part edge is provided with the right support plate corresponding with right hole（25）；

Described top plate（5）Left side, right side and rear side respectively with left risers（2）, right risers（4）And back vertical plate（3）Connection, top Plate（5）Middle part raise up into cambered surface, top plate（5）Left end and right-hand member be recessed into the left groove of U-shaped separately down（26）With Right groove（27）, described left groove（26）And right groove（27）Face back vertical plate respectively（3）On two the first circular holes（7）, Described front vertical plate（1）Top and top plate（5）Lower surface be connected to roof supporting（5）, top plate（5）Front end with before End plate（21）Connection, and in front end-plate（21）On be provided with respectively with left groove（26）And right groove（27）Corresponding left U-shaped Groove（28）With right U-lag（29）；

Described top plate（5）On be provided with left shape bar along its length（30）With right shape bar（31）, described left shape Bar（30）With right shape bar（31）Bottom be and top plate（5）The arc that upper surface is engaged, described top plate（5）Upper surface On be close to left shape bar（30）It is provided with former and later two right baffle-plates（32）, it is close to right shape bar（31）It is provided with former and later two right gears Plate（33）；

Described top plate（5）With bottom plate（6）Between be connected with three along bottom plate（6）Length direction set longitudinally reinforced plate （34）, a middle longitudinally reinforced plate（34）It is vertically arranged, two longitudinally reinforced plates of both sides（34）Lower end towards centre Longitudinally reinforced plate（34）Tilt, and in three longitudinally reinforced plates（34）On each along its length direction be provided with multiple first through hole （35）, described top plate（5）With bottom plate（6）Between be connected with it is multiple along bottom plate（6）The horizontal reinforcement that sets of width Plate（36）, described horizontal reinforcing plate（36）On be provided with the second through hole（37）；

Described left support portion includes being connected to left risers（2）Left side left front supporting plate（38）With left back supporting plate（39）, Left front supporting plate（38）With left back supporting plate（39）Left end by left stringer board（40）Connection, left front supporting plate（38）Height be more than Left risers（2）Height, left front supporting plate（38）Right-hand member be higher by left risers（2）Part protrude into left front extension to the right （41）, left back supporting plate（39）Height be more than left risers（2）Height, left back supporting plate（39）Right-hand member be higher by left risers （2）Part protrude into left back extension to the right（42）, described left front supporting plate（38）, left back supporting plate（39）And left risers （2）Top and bottom respectively by left cover（43）With left sealing plate（44）Connection, described left front supporting plate（38）, left back branch Fagging（39）And left risers（2）Bottom be respectively provided with a left square opening（45）, described left square opening（45）Edge is set inwardly It is equipped with four left connection boards to connect that finish up（46）, left connection board（46）Remote left square opening（45）One end by left closed plate （47）Connection, described left sealing plate（44）Bottom be provided with and left square opening（45）Corresponding left support block（48）, institute The left cover stated（43）On be provided with the third through-hole of rectangle above and below it（49）, described left front supporting plate（38）With it is left back Supporting plate（39）Between have riser（50）Connection, described left stringer board（40）With left risers（2）Between by transverse slat（51）Connection, institute The riser stated（50）With transverse slat（51）Set into right-angled intersection；

Described right support portion is identical with the structure in left support portion, and right support portion is symmetrical arranged with left support portion.

2. base evaporative pattern according to claim 1, it is characterised in that：All junctions are consolidated by the way of gluing It is fixed.