CN1009712B - Apparatus for cooling and stripping objects cast in sand moulds - Google Patents
Apparatus for cooling and stripping objects cast in sand mouldsInfo
- Publication number
- CN1009712B CN1009712B CN89100617A CN89100617A CN1009712B CN 1009712 B CN1009712 B CN 1009712B CN 89100617 A CN89100617 A CN 89100617A CN 89100617 A CN89100617 A CN 89100617A CN 1009712 B CN1009712 B CN 1009712B
- Authority
- CN
- China
- Prior art keywords
- rolling
- cylinder
- ring
- support wheel
- rim
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D31/00—Cutting-off surplus material, e.g. gates; Cleaning and working on castings
- B22D31/002—Cleaning, working on castings
- B22D31/007—Tumbling mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
- B22C5/08—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by sprinkling, cooling, or drying
- B22C5/085—Cooling or drying the sand together with the castings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Disintegrating Or Milling (AREA)
- Tires In General (AREA)
- Underground Or Underwater Handling Of Building Materials (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
In an apparatus for cooling and stripping of objects cast in and contained in sand moulds, said apparatus being of the kind comprising a drum supported for rotation about a substantially horizontal axis with at least two rolling surfaces or rolling surface members shaped on or secured to the drum bearing on at least four support wheels, of which at least one is adapted to be driven and thus make the drum rotate, said support wheels at least partially consisting of an elastomeric material, the new feature consists in that each support wheel consists of a single substantially circularly-cylindrical rim of rigid material, such as steel, about which there are placed at least three rolling tyres of elastomeric material, the axial width of which diminishes with increasing radius. This arrangement makes it possible to reduce maintenance costs and to achieve a highly desired sound and shock absorption using relatively low-costs means.
Description
The present invention relates to the cooling and the cleaning equipment of sand-cast, this equipment comprises a cylinder, it with at least two rolling surfaces or rolling surface member supports, around an axle rotation of level substantially, the rolling surface element is fixed on the cylinder, supported by at least four support wheels, at least one is taken turns and is driven by transmission device and cylinder is rotated in the support wheel, and described support wheel is made up of elastomeric material at least in part.
European patent specification NO.0066931 discloses a kind of above-mentioned device.What kind of support wheel is not set to reach the characteristics of safeguarding, reducing noise and absorb the requirement of vibration that reduce but in this specification, explain, but specification has proposed the possibility in the rolling surface of annular and the thermal insulation between the cover of rolling, to prolong the life-span of synthetic resin roller.
Based on this background, the purpose of this invention is to provide described this kind equipment, can not reach the requirement of minimizing maintenance, reduction noise and absorption vibration with simple means with the heat insulation of the high and very inconvenient rolling surface of cost in this specification first.
Purpose of the present invention can reach by following measure, that is: each support wheel is made up of a single columniform rim that is substantially, rim is by rigid material, make as steel, put the tire of at least three elastomeric materials on rim, the width of tire reduces along with the increase of radial diameter.Each support wheel single is substantially the structure that columniform rim is formed provides simple and economic by one, and on rim, put the tire of at least three elastomeric materials, the axial width of tire reduces along with the increase of radial diameter, abutment pressure can be allocated between rolling surface element and each support wheel equably.Leaving the gap between adjacent tire, is to consider that when bearing the abutment pressure of rolling surface element, each tire is at axial expansion.Under opposite situation, just, if the elastic part global formation of support wheel will stand the drag of higher opposing axial expansion near the material at centre place than the material at close wheel rim place so, thus in the abutment pressure of the middle part of support wheel per unit area with maximum.Owing between tire, leave the gap, the area of tire increases, thereby has improved cooling, and the life-span of tire is longer, tire generally by organic material for example synthetic rubber or resilient synthetic resin make, thereby generally do not need to add heat insulation in addition at rolling surface again.
In the described equipment of above-mentioned European patent specification MO.0066931, each rolling surface element comprises the rolling ring that is called " rolling surface ", its be fixed to two continuous and be on the neighboring of flat ring plate, and the inner rim of described ring plate is fixed on the cylinder, and their neighboring is fixed in the described rolling ring.From axial, cross-sectional view as seen, so the rolling ring that is provided with is same as the beam that its termination is flexibly being fixed, so it has demonstrated tangible deflection under load.In swift, also may produce the critical bends stress that causes fatigue fracture with wideer rolling ring.But in the present invention, support ring is fixed to the inner surface of rolling ring at a segment distance place of leaving the rolling ring edge, this distance be equivalent to approximately rolling ring axial width 1/6, rolling ring just is equivalent to be supported on a beam that leaves end one segment distance place, limit, thereby described deflection and bending stress have substantial reducing, thereby it is more even at rolling surface element and the pressure distribution laying and drive between its support wheel, therefore, according to the present invention's new technical characterictic noted earlier, the above-mentioned advantage that can reach can be brought into play fully.
Illustrate in greater detail the present invention below in conjunction with accompanying drawing, in the accompanying drawings:
Fig. 1 is the stereogram of an embodiment of equipment of the present invention;
Fig. 2 is the profile along II among Fig. 1-II line;
Fig. 3 is the profile along III among Fig. 1-III line;
Fig. 4 is the profile along IV among Fig. 1-IV line.
Equipment shown in the accompanying drawing mainly comprises cylinder 1, and its anterior 1a is columniform, and its rear portion 1b is tapered taper backward.Be provided with two eckbands 2 with one heart with cylinder 1, its structure will be explained below in more detail.Eckband 2 is supported on the support wheel 3, and each support wheel 3 is driven by the motor 4 of band gear-box 5.Set transmission device can make cylinder 1 rotate according to the direction shown in the arrow P among Fig. 11.
The axle journal of support wheel 3 is supported on the bottom girder 6 that is installed on the ground 7.Have groove on the ground 7 to lay conveyer belt 8, move along the direction of arrow P among Fig. 12 on the top of conveyer belt 8.
Front end at cylinder 1 has an import 9, is provided with suction box 10 this import is encased.And aspirate by aspirator 11.
The product P of handling is sent in the cylinder by conveyer belt 12, and move along the direction of front P3 among Fig. 1 on the top of this conveyer belt 12.
Be provided with conveyer belt 13 in the exit of cylinder 1, its top claims along the direction of arrow P among Fig. 14.The port of export of cylinder 1 has screen cloth wall construction 14.
The M of mass centre that Fig. 2 shows the tote of being made up of molding sand and foundry goods is positioned at the left position of vertical plane V-V.The position of the M of mass centre has produced the rotating torque with respect to the rotating shaft 0 of cylinder 1.This rotating torque is being born from the tangential force of support wheel 3.The making a concerted effort of these tangential forces has a very important horizontal component.From the radial load of support wheel make a concerted effort have a horizontal component with the horizontal component opposite sign but equal magnitude of tangential force.Compare with the situation that is symmetrical arranged support wheel, left support wheel 3 is arranged on leaves axle and take turns symmetrical position, the left side more a little further, make load distribution on taking turns can reduce wearing and tearing on the support wheel 3 with another.
As shown in Figure 4, each support wheel 3 is made up of the tire of three elastomeric materials (as synthetic resin, the material of polyurethane and so on), and described tire sleeve is on the rim 56 of its cylindrical outer surface.The width of each in three tires 55.When along parallel its rotating shaft orientation measurement, from the radially inner side to the radial outside.Reduce slightly.Make them can bear radially compression substantially equably, to avoid local load centralization.Owing to bearing the load of height to 20 tons on each support wheel possibly, it is very important therefore avoiding load centralization, otherwise will cause the damage of tire.
The axle of each support wheel 3 is linked a gear-box 5 of being furnished with motor 4 free to rotately.One reaction arm 16 is housed on gear-box, and the arm end is linked on the buffer 17.Buffer 17 is supported on the bottom girder 6.
Side at each eckband 2 is provided with directive wheel 18, and it rotatably is supported on the bottom girder 6, is used for axially making cylinder 1 location.
Fig. 3 shows an eckband 2, and it is made of thicker rolling ring 57, and rolling ring 57 is fixed on the annular slab 58 that radially extends.Plate 58 localized immobilization are to 33 places of cylinder 1, as shown in Figure 2.
At the edge away from cylinder 1, plate 58 is attached in the rolling ring 57, and junction is left edge one segment distance 59 of rolling ring 57, and making the distance 59 and the ratio of the axial width 61 of rolling ring 57 like this is 1: 6.Such size arrangement can make the load stress of rolling ring 57 reduce to minimum.Be enclosed within three (or more) tires 55 and support on the rim 56, make rolling ring 57 to make as not needing special mach general steel plate by material more cheaply.
There is not other details of direct relation can consult European patent specification NO.0066931 above-mentioned with the present invention.Here only mention in cylinder 1 and can put injection apparatus 54 into, the loose sand that is produced in the time of can rolling in cylinder 1 to sand mold sprays.
By Fig. 1,2 as seen.The structure of two foundation beams 6 is identical substantially, and is adorning two support wheels on every foundation beam.Each takes turns all in succession driving motor 4 of oneself and the gear-box 5 that links to each other.Therefore requiring under the standby situation of bottom girder, it is just enough to leave a foundation beam.If requiring has the support wheel of comprising 3, the transmission group piece installing of driving motor 4 and gear-box 5 is standby, then stays a standby transmission group piece installing also just enough.
Claims (2)
1, a kind of cooling of sand-cast and cleaning equipment, comprise a cylinder (1), its with at least two rolling surfaces or rolling surface element for example eckband (2) supporting, with around one substantially the axle (0) of level rotate, rolling surface element (2) is fixed on the cylinder (1), be supported at least four support wheels (3), at least one is taken turns and is driven by transmission device and cylinder (1) is rotated in the support wheel, described support wheel is made up of elastomeric material in (3) at least in part, it is characterized in that: each support wheel (3) is made up of a single columniform rim (56) that is substantially.Rim (56) is made as steel by rigid material, has overlapped the tire (55) of at least three elastomeric materials on rim, and the axial width of each tire (55) reduces along with the increase of radial diameter.
2, according to the equipment of claim 1, it is characterized in that, its each eckband (2) is made up of rolling ring (57), each rolling ring (57) be fixed to two continuous and be on the neighboring of flat support ring (58) substantially, and the inner rim of support ring (58) is fixed on the cylinder (1), it is characterized in that: support ring (58) locates to be fixed to the inner surface of rolling ring (57) at edge (60) one segment distances (59) that leave rolling ring (57), this distance (59) be equivalent to approximately rolling ring (57) axial width (61) 1/6.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK058388A DK164776C (en) | 1988-02-05 | 1988-02-05 | COOLING AND DEFORMING APPLIANCES FOR SANDFORM CASTED OBJECTS |
| DK583/88 | 1988-02-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1035969A CN1035969A (en) | 1989-10-04 |
| CN1009712B true CN1009712B (en) | 1990-09-26 |
Family
ID=8095201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN89100617A Expired CN1009712B (en) | 1988-02-05 | 1989-02-02 | Apparatus for cooling and stripping objects cast in sand moulds |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0326876B1 (en) |
| CN (1) | CN1009712B (en) |
| AT (1) | ATE79577T1 (en) |
| BR (1) | BR8900462A (en) |
| DE (1) | DE68902484T2 (en) |
| DK (1) | DK164776C (en) |
| ES (1) | ES2034409T3 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5267603A (en) * | 1993-01-19 | 1993-12-07 | Didion Manufacturing Company | Sand reclaiming drum with media recycler |
| FR2735051A1 (en) * | 1995-06-09 | 1996-12-13 | Ronis Sa | Metal workpiece separating tunnel with sound insulating cladding |
| ES2212708B2 (en) * | 2002-02-27 | 2005-04-01 | Urbar Ingenieros, S.A. | SUPPORT AND BEARING SYSTEM FOR FOUNDRY REMOVAL DRUM. |
| CN103878352B (en) * | 2014-04-08 | 2015-11-04 | 苏州石川制铁有限公司 | A kind of method for foundry goods, running channel and rising head removing surface |
| CN103978154B (en) * | 2014-04-22 | 2016-10-12 | 河北瑞欧消失模科技有限公司 | The pinwheel cooler that sand temperature automatically controls |
| AT517133B1 (en) * | 2015-04-17 | 2017-09-15 | Fill Gmbh | Entkernmaschine / vibrating machine with improved drive |
| CN105312547A (en) * | 2015-12-08 | 2016-02-10 | 广西长城矿山机械设备制造有限公司 | Casting cleaning support platform |
| CN109465428A (en) * | 2018-12-10 | 2019-03-15 | 新晃远大机械铸造有限公司 | A kind of knock-out barrel |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB939723A (en) * | 1959-07-09 | 1963-10-16 | Mining Engineering Co Ltd | Improvements in impact rollers for belt conveyors |
| GB939694A (en) * | 1961-02-28 | 1963-10-16 | Parker Ltd Frederick | Rotary vessels |
| DE2012303A1 (en) * | 1970-03-14 | 1971-09-30 | Wedag Westfalia Dinnendahl | Running band for hot rotary equipment |
| DE2145607C3 (en) * | 1971-09-13 | 1980-12-04 | Krupp Polysius Ag, 4720 Beckum | Race ring for rotary kilns, drying drums or the like |
| BE858259A (en) * | 1977-08-31 | 1978-02-28 | Acec | MOTOR ROLLER FOR SUPPORTING AND DRIVING THE CYLINDRICAL FERRULE OF A 0 HORIZONTAL OR LOW INCLINED AXIS ROTARY GEAR |
| NL8102714A (en) * | 1981-06-04 | 1983-01-03 | Multinorm Bv | Apparatus for treating one or more castings containing sand molds. |
-
1988
- 1988-02-05 DK DK058388A patent/DK164776C/en not_active IP Right Cessation
-
1989
- 1989-01-20 EP EP89100981A patent/EP0326876B1/en not_active Expired - Lifetime
- 1989-01-20 DE DE8989100981T patent/DE68902484T2/en not_active Expired - Fee Related
- 1989-01-20 AT AT89100981T patent/ATE79577T1/en active
- 1989-01-20 ES ES198989100981T patent/ES2034409T3/en not_active Expired - Lifetime
- 1989-02-02 BR BR898900462A patent/BR8900462A/en not_active IP Right Cessation
- 1989-02-02 CN CN89100617A patent/CN1009712B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DK164776C (en) | 1992-12-28 |
| ATE79577T1 (en) | 1992-09-15 |
| EP0326876B1 (en) | 1992-08-19 |
| CN1035969A (en) | 1989-10-04 |
| EP0326876A3 (en) | 1990-05-16 |
| BR8900462A (en) | 1989-10-03 |
| DK58388A (en) | 1989-08-06 |
| DK164776B (en) | 1992-08-17 |
| DE68902484D1 (en) | 1992-09-24 |
| ES2034409T3 (en) | 1993-04-01 |
| EP0326876A2 (en) | 1989-08-09 |
| DK58388D0 (en) | 1988-02-05 |
| DE68902484T2 (en) | 1993-01-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C13 | Decision | ||
| GR02 | Examined patent application | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| OR01 | Other related matters | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |