CN104107884A - Fixture for preventing evanescent mold from deforming during coating - Google Patents
Fixture for preventing evanescent mold from deforming during coating Download PDFInfo
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- CN104107884A CN104107884A CN201410324804.7A CN201410324804A CN104107884A CN 104107884 A CN104107884 A CN 104107884A CN 201410324804 A CN201410324804 A CN 201410324804A CN 104107884 A CN104107884 A CN 104107884A
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Abstract
The invention relates to a fixture for preventing an evanescent mold from deforming during coating in the technical field of evanescent mold casting. The fixture comprises a support, wherein the support is provided with a driving mechanism with a horizontally arranged output shaft; the end part of the output shaft of the driving mechanism is fixed on the center of a disc base; the disc base is radially and externally provided with a plurality of strip-shaped grooves; stop levers are in one-to-one correspondence with the strip-shaped grooves, and are perpendicular to the surface of the disc base; locking screws penetrating through the strip-shaped grooves are connected with the stop levers; the stop levers are provided with through grooves; the through grooves are internally provided with baffle shafts capable of sliding along the through grooves; the baffle shafts are perpendicular to the axes of the stop levers; positioning nuts on two sides of the stop levers are in threaded connection with the baffle shafts; the end parts of the baffle shafts are provided with baffles. According to the fixture disclosed by the invention, the coating quality and the environment quality are improved by adopting a mode of rotating while performing flow coating; a mold sample cluster can be clamped efficiently and coated uniformly. The fixture is especially suitable for producing and pouring large pieces with the weight ranging from 500kg to 1,500kg.
Description
Technical field
The present invention relates to the servicing unit in a kind of lost foam casting production, particularly a kind of evaporative pattern applies frock.
Background technology
In prior art, it is good that lost foam casting has casting quality, cost is low, material is not limit, size is all suitable, dimensional accuracy is high, any surface finish, save machined workload, the advantages such as dense structure, can realize extensive, produce in enormous quantities, (it is large part can to realize again small lot part, die cavity Complex Parts) casting, automatic assembly line is produced, energy-conserving and environment-protective, but because the EPS strength of materials is limited, casting form is in transportation, execute Tu, dry, in the process of moulding, be easy to distortion, distortion, damage, cause foundry goods to occur dimensional problem, particularly in large foundry goods (poured weights is between 500 kilograms to 1500 kilograms), the waste product that distortion causes accounts for the more than 50% of total waste product, so, the rate of reducing the number of rejects and seconds, first to solve apperance problem on deformation.
So-called evaporative pattern casting deformation refers to: foundry goods geometry and pattern after cast are not inconsistent, such as certain position of foundry goods is crooked, depression, ellipse, wall thickness be irregular etc.Evaporative pattern casting deformation mainly produces reason and is at molding, coating, fills out in husky moulding operation due to due to operation lack of standardization.Produce the concrete reason of casting deformation: 1. pattern molding process, bonding white part and pattern are not inconsistent; 2. misoperation in refractory coating brushing process, as dip-coating method or undue force; The most easily that while drying, apperance is placed improper; 3. filling moulding adds the improper and vibration ramming misoperation of sand and causes apperance distortion; Vacuum irrational distribution in apperance local heating or casting process casting mold while 4. pouring into a mould.In wherein causing, the high topmost reason of large part percent defective is the 2. bar reason.
For solving the problems of the technologies described above, available technology adopting following several technical schemes:
(1) adopt the mode of brushing
For large part in small lot, adopt the mode of brushing to apply the problem that can solve distortion, but production efficiency is low, coating layer thickness is inhomogeneous, and labour intensity is large, and operating environment is poor, for the more complicated part of inner chamber, apperance shows money or valuables one carries unintentionally very serious, and also higher to workman's technical ability requirement, apperance applies quality and is not easy to control.
(2) make conformal bracing frame flow coat
Adopt special-purpose conformal Anti-deformation support frame flow coat, apperance bunch charge and discharge operations is cumbersome, in flow coat process, need accurate operation, bracing frame and apperance bunch fit clearance is improper, be easy to make apperance distortion even to damage, and for complex-shaped, inner chamber heap coating is removed very difficult, in drying course, inner chamber cannot be dried or crackle appears in drying course because coating is inhomogeneous, and then causes the place's scab of foundry goods cracking.
(3) adopt evaporative pattern reinforcement
Adopt evaporative pattern lacing wire, increase apperance bunch intensity own, in the process of flow coat, play a role, but can reduce yield rate, clear up more difficultly, and intensity is limited, for larger foundry goods, lacing wire quantity is also many, and when cast, lacing wire also can make the local situation of disorderly watering that occurs, cause foundry goods crush or produce inclusion defect, adopt evaporative pattern lacing wire, also can increase apperance gas forming amount, cause that mouth of a river basin regurgitates.
Summary of the invention
The object of this invention is to provide and a kind ofly prevent that evaporative pattern from applying the fixture of distortion, make it can prevent apperance bunch damage in the process of flow coat, unnecessary coating is cleaned out simultaneously, guarantee the uniformity of coating, reduce inner chamber coating and heap, leak the existence of the phenomenon such as white, can reduce labour intensity simultaneously.
The object of the present invention is achieved like this: a kind ofly prevent that evaporative pattern from applying the fixture of distortion, comprise support, the horizontally disposed driving mechanism of output shaft is installed on support, the center of the output shaft end of driving mechanism and a disc seat fixes, on described disc seat, along it, be radially outward provided with radially some bar-shaped troughs, with the described bar-shaped trough corresponding pin that is provided with one by one, described pin is perpendicular to disc seat surface, through the lock-screw of bar-shaped trough, is connected with pin; Pin is provided with and runs through groove, runs through that in groove, be provided with can be along the damper shaft that runs through groove and slide, and damper shaft is perpendicular to the axis setting of pin, is positioned at the pin both sides setscrew nut that has been threaded respectively in damper shaft, and the end of damper shaft is provided with baffle plate.
The present invention in use, apperance bunch can be fixed between pin, by pin fixing apperance bunch on left and right and upward and downward, prevent apperance bunch movement, disc seat and baffle plate can be from the fixing apperances bunch of short transverse, due to the equal removable and turned position of pin and baffle plate, and can in position be fixed, therefore, can adjust position fixing apperance bunch for difform apperance bunch, prevent that apperance bunch from moving in the process of flow coat, obtaining under good fixing prerequisite, can reduce the quantity of pin, baffle plate use as far as possible.After apperance bunch fixes, moved to the top in flow coat pond, by driving mechanism driver plate seat, rotate, apperance bunch can be along with disc seat rotates together, operator directly carries out flow coat to apperance bunch with flow coat pipe, after flow coat, continues rotation apperance bunch about 10min, can guarantee that apperance coating is even on the one hand, can clean out on the other hand the unnecessary coating of inner chamber.Compared with prior art, beneficial effect of the present invention is: the present invention has avoided the drawback of other manner of application, adopt the mode of rotation limit, limit flow coat, improved and applied quality and environmental quality, in transport process, apperance bunch is difficult for falling apart, and the apperance bunch efficiency that is installed is high, apperance bunch flow coat limit, limit rotation, apply evenly, avoid coating to heap, reduced the defect of drying not saturating and cracking.This device be particularly suitable for production poured weights between 500 kilograms to 1500 kilograms in large part.
For assurance apperance bunch, fix reliably, the number of described bar-shaped trough is 6 ~ 12.In fixation procedure, obsolete pin can move on to the outermost of bar-shaped trough, also dismountable.
For guaranteeing that pin has certain side loading end, avoid apperance bunch to fall apart, described pin is plane towards the one side of disc seat rotation.Fixedly during apperance bunch, make plane contact apperance bunch as far as possible, can guarantee in apperance bunch to accept area large, not fragile.
For further avoid rotation and clamping process in slide, in described plane and baffle surface be provided with rubber spacer.
As a further improvement on the present invention, through roller wheel bearing in orbit, described track is arranged on side, flow coat pond to described frame bottom.During work, support track-movable, can adjust position on the one hand, can carry out flow coat for difform apperance bunch, and the liquid of flow coat can flow into flow coat pond; On the other hand, can facilitate the transhipment of apperance bunch, for other follow-up operations are provided convenience.
Accompanying drawing explanation
Fig. 1 has the structural representation of the present invention of apperance bunch for clamping.
Fig. 2 is the of the present invention front view corresponding with Fig. 1.
Fig. 3 is left view of the present invention.
Fig. 4 is rearview of the present invention.
Fig. 5 is pin structural representation.
Fig. 6 is baffle arrangement schematic diagram.
Fig. 7 is pin and baffle plate mounting structure schematic diagram.
Wherein, 1 runs through groove, 2 baffle plates, 3 damper shaft, 4 disc seats, 5 driving mechanisms, 6 pins, 7 bar-shaped troughs, 8 supports, 9 tracks, 10 flow coat ponds, 11 apperances bunch, 12 rollers, 13 lock-screws, 14 rubber spacers, 15 setscrew nuts.
The specific embodiment
As shown in Fig. 1-7, for large part evaporative pattern in a kind of preventing applies the fixture of distortion, its structure mainly comprises support 8, and support 8 bottoms are provided with roller 12, and roller 12 is bearing on track 9, makes the device can be along track 9 shift positions, and track 9 is arranged on 10 sides, flow coat pond, the horizontally disposed driving mechanism 5 of output shaft is installed on support 8, this driving mechanism 5 can be servomotor, also can be the structure of motor acceleration and deceleration machine, the center of the output shaft end of driving mechanism 5 and a disc seat 4 fixes, on disc seat 4, along it, be radially outward provided with radially some bar-shaped troughs 7, the number of bar-shaped trough 7 is preferably 8 ~ 12, in the present embodiment, be 8, with the bar-shaped trough 7 corresponding pin 6 that is provided with one by one, pin 6 is perpendicular to disc seat 4 surfaces, lock-screw 13 through bar-shaped trough 7 is connected with pin 6, unclamp lock-screw 13, pin 6 can slide along bar-shaped trough 7, pin 6 is provided with and runs through groove 1, run through that in groove 1, be provided with can be along the damper shaft 3 that runs through groove 1 and slide, damper shaft 3 is perpendicular to the axis setting of pin 6, in damper shaft 3, be positioned at the pin 6 both sides setscrew nut 15 that has been threaded respectively, unclamp setscrew nut 15, damper shaft 3 can be along the length direction sliding position that runs through groove 1, and the end of damper shaft 3 is provided with baffle plate 2.Pin 6 is plane towards the one side of disc seat 4 rotations; In plane and baffle plate 2 surfaces are provided with rubber spacer 14, and rubber spacer 14 can adopt vulcanie, and thickness is in 10mm left and right, and area is not less than 100mm*100mm.
During this device work, by pin 6 fixing apperance bunches 11 on left and right and upward and downward, prevent that apperance bunches 11 from moving, disc seat 4 and baffle plate 2 can be from the fixing apperances bunches 11 of short transverse, due to the equal removable and turned position of pin 6 and baffle plate 2, and can in position be fixed, therefore, can adjust positions fixing apperance bunches 11 for difform apperance bunches 11, prevent that apperance bunches 11 from moving in the process of flow coat, obtaining under good fixing prerequisite, can reduce the quantity of pin 6, baffle plate 2 uses as far as possible.After apperance bunches 11 fixes, moved to the top in flow coat pond 10, by driving mechanism 5 driver plate seat 4 rotations, apperance bunch 11 meetings are along with disc seat 4 rotates together, operator directly carries out flow coat to apperance bunches 11 with flow coat pipe, after flow coat, continues rotation apperance bunch 11 about 10min, can guarantee that apperance coating is even on the one hand, can clean out on the other hand the unnecessary coating of inner chamber.
This device has the beneficial effect that is different from prior art:
(1) can be in any direction on disc seat fixing apperance, flexibility is stronger.
(2) this flow coat fixture can make the rotation of apperance bunch flow coat limit, limit, has avoided applying in process because coating is heaped, and makes the apperance bunch distortion applying, in transport process, and dries for a long time and dry thoroughly and the defect of cracking.
(3) can be according to foundry goods size and structure, adjust the mode of fixing apperance bunch, rubber blanket, can increasing friction force, reduces apperance bunch damage, and fixing apperance bunch simultaneously prevents that apperance bunch from sliding in the process of flow coat, achieves many things at one stroke, lightly practicality.
(4) by this working of an invention, improved dirty, random, the poor environmental pattern of traditional manner of application, production efficiency has improved tens times, it is also significantly to promote that apperance applies quality, particularly reduced apperance and applied not in placely, coating is inhomogeneous, the generation of the problems such as apperance distortion, damage, and can make traditional technique that applies realize sequencing, mechanization, electronization.
The present invention is not limited to above-described embodiment; on the basis of technical scheme disclosed by the invention; those skilled in the art is according to disclosed technology contents; do not need performing creative labour just can make some replacements and distortion to some technical characterictics wherein, these replacements and distortion are all in protection scope of the present invention.
Claims (5)
1. one kind prevents that evaporative pattern from applying the fixture of distortion, it is characterized in that comprising support, the horizontally disposed driving mechanism of output shaft is installed on support, the center of the output shaft end of driving mechanism and a disc seat fixes, on described disc seat, along it, be radially outward provided with radially some bar-shaped troughs, with the described bar-shaped trough corresponding pin that is provided with one by one, described pin is perpendicular to disc seat surface, through the lock-screw of bar-shaped trough, is connected with pin; Pin is provided with and runs through groove, runs through that in groove, be provided with can be along the damper shaft that runs through groove and slide, and damper shaft is perpendicular to the axis setting of pin, is positioned at the pin both sides setscrew nut that has been threaded respectively in damper shaft, and the end of damper shaft is provided with baffle plate.
2. according to claim 1ly a kind ofly prevent that evaporative pattern from applying the fixture of distortion, the number that it is characterized in that described bar-shaped trough is 6 ~ 12.
3. according to claim 1 and 2ly a kind ofly prevent that evaporative pattern from applying the fixture of distortion, it is characterized in that described pin is plane towards the one side of disc seat rotation.
4. according to claim 3ly a kind ofly prevent that evaporative pattern from applying the fixture of distortion, it is characterized in that in described plane and baffle surface is provided with rubber spacer.
5. according to claim 3ly a kind ofly prevent that evaporative pattern from applying the fixture of distortion, it is characterized in that described frame bottom through roller wheel bearing in orbit, described track is arranged on side, flow coat pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410324804.7A CN104107884B (en) | 2014-07-09 | 2014-07-09 | Fixture for preventing evanescent mold from deforming during coating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410324804.7A CN104107884B (en) | 2014-07-09 | 2014-07-09 | Fixture for preventing evanescent mold from deforming during coating |
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| CN104107884A true CN104107884A (en) | 2014-10-22 |
| CN104107884B CN104107884B (en) | 2017-01-25 |
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| CN201410324804.7A Active CN104107884B (en) | 2014-07-09 | 2014-07-09 | Fixture for preventing evanescent mold from deforming during coating |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108393434A (en) * | 2018-01-23 | 2018-08-14 | 共享装备股份有限公司 | A kind of evaporative pattern face coat equal control system and control method |
| CN109174581A (en) * | 2018-07-20 | 2019-01-11 | 中车株洲电机有限公司 | A kind of curing range and method of impregnated dry-type transformer |
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| GB191206310A (en) * | 1912-03-14 | 1913-03-13 | William Mills Ltd | Improvements in the MOde of and Means for Finishing Sand Moulds for Casting Purposes. |
| JPH09168851A (en) * | 1995-12-20 | 1997-06-30 | Kubota Corp | Coating agent coating device of core for centrifugal casting machine |
| CN201848508U (en) * | 2010-11-15 | 2011-06-01 | 天津达祥精密工业有限公司 | Automatic dip-coating device for sand core |
| CN201950171U (en) * | 2011-03-30 | 2011-08-31 | 华东泰克西汽车铸造有限公司 | Water sleeve sand core dipping and fixing device |
| CN102641990A (en) * | 2012-05-11 | 2012-08-22 | 枣庄市同捷汽车模具有限责任公司 | Evanescent mode coating spraying system |
| CN202539490U (en) * | 2012-04-17 | 2012-11-21 | 河南省金太阳铸造有限公司 | Sand mold slurry recovery unit |
| CN103447479A (en) * | 2013-08-26 | 2013-12-18 | 宁夏共享集团有限责任公司 | Smearing tool for evaporative-pattern casting mould |
| CN204018661U (en) * | 2014-07-09 | 2014-12-17 | 宁夏共享装备有限公司 | A kind ofly prevent that evaporative pattern from applying the fixture of distortion |
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2014
- 2014-07-09 CN CN201410324804.7A patent/CN104107884B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191206310A (en) * | 1912-03-14 | 1913-03-13 | William Mills Ltd | Improvements in the MOde of and Means for Finishing Sand Moulds for Casting Purposes. |
| JPH09168851A (en) * | 1995-12-20 | 1997-06-30 | Kubota Corp | Coating agent coating device of core for centrifugal casting machine |
| CN201848508U (en) * | 2010-11-15 | 2011-06-01 | 天津达祥精密工业有限公司 | Automatic dip-coating device for sand core |
| CN201950171U (en) * | 2011-03-30 | 2011-08-31 | 华东泰克西汽车铸造有限公司 | Water sleeve sand core dipping and fixing device |
| CN202539490U (en) * | 2012-04-17 | 2012-11-21 | 河南省金太阳铸造有限公司 | Sand mold slurry recovery unit |
| CN102641990A (en) * | 2012-05-11 | 2012-08-22 | 枣庄市同捷汽车模具有限责任公司 | Evanescent mode coating spraying system |
| CN103447479A (en) * | 2013-08-26 | 2013-12-18 | 宁夏共享集团有限责任公司 | Smearing tool for evaporative-pattern casting mould |
| CN204018661U (en) * | 2014-07-09 | 2014-12-17 | 宁夏共享装备有限公司 | A kind ofly prevent that evaporative pattern from applying the fixture of distortion |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108393434A (en) * | 2018-01-23 | 2018-08-14 | 共享装备股份有限公司 | A kind of evaporative pattern face coat equal control system and control method |
| CN108393434B (en) * | 2018-01-23 | 2020-03-10 | 共享装备股份有限公司 | System and method for controlling uniformity of surface coating of lost foam |
| CN109174581A (en) * | 2018-07-20 | 2019-01-11 | 中车株洲电机有限公司 | A kind of curing range and method of impregnated dry-type transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104107884B (en) | 2017-01-25 |
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Address after: 750000 West Xia District, Yinchuan City, Ningxia Hui Autonomous Region, 550 Beijing West Road Patentee after: KOCEL MACHINERY Ltd. Address before: 750000 West Xia District, Yinchuan City, Ningxia Hui Autonomous Region, 550 Beijing West Road Patentee before: KOCEL MACHINERY CO.,LTD. Address after: 750000 West Xia District, Yinchuan City, Ningxia Hui Autonomous Region, 550 Beijing West Road Patentee after: KOCEL MACHINERY CO.,LTD. Address before: 750000 West Xia District, Yinchuan City, Ningxia Hui Autonomous Region, 550 Beijing West Road Patentee before: NINGXIA KOCEL MACHINERY Co.,Ltd. |