CN2149261Y - Device for distributing sands with a ratio - Google Patents
Device for distributing sands with a ratio Download PDFInfo
- Publication number
- CN2149261Y CN2149261Y CN 92245329 CN92245329U CN2149261Y CN 2149261 Y CN2149261 Y CN 2149261Y CN 92245329 CN92245329 CN 92245329 CN 92245329 U CN92245329 U CN 92245329U CN 2149261 Y CN2149261 Y CN 2149261Y
- Authority
- CN
- China
- Prior art keywords
- sand
- flow
- flow capacity
- orifice
- flashboard
- 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 - Fee Related
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Abstract
The utility model discloses a device for distributing sands with a ratio for distributing the ratio of furan resin bonded sand new sands and reclaimed sand, mainly comprising a feeding tube, a lead groove, a flow capacity hole plate, a flow capacity shutter, an air cylinder, a mixing bracket and a discharging tube. The main discrimination with the prior art is that the utility model adopts the flow capacity shutter, the flow capacity hole plate and the flow capacity shutter are respectively provided with holes with different sizes, the flow capacity shutter is driven by the air cylinder, and the flow capacity shutter has relative movement with the flow capacity hole plate, which makes the holes on the flow capacity hole plate and the holes on the flow capacity shutter superposed or cut off, causing the variation of the holes area to reach the goal of changing the ratio of the sands. The utility model which has simple structure, small size, convenience and practicability is an ideal device for distributing sands with a ratio.
Description
The utility model relates to a kind of sand proportional divider, belongs to casting industry Furan Resin-Bonded Sand field, is used to enter the fresh sand before the resin sand puddle mixer and the pro rate of reclaimed sand.
The employed sand proportional divider of factory mainly is made up of flow-through orifice, flow flashboard and operating mechanism at present.The flow flashboard has two, and it is identical that its shape and size are finished, and controls the flow of fresh sand and reclaimed sand respectively.Have two shapes hole identical on the flow-through orifice, be respectively applied for by fresh sand and reclaimed sand with size.Two flow flashboards are placed side by side, and with the overlapping installation of flow-through orifice.By the relative motion of flow flashboard and flow-through orifice, make that the area of hole changes on the plate, thereby regulate the ratio of fresh sand and reclaimed sand.This sand proportional divider adopts the mode of regulating continuously, has simplified design, but has brought difficulty to use.If determine a kind of proportioning sand, must carry out repeatedly numerous and diverse flow rate test.And in actual the use, only need in reclaimed sand, to add the main performance index that 2～8% fresh sand can satisfy resin sand, so the sand proportional divider of this continuous adjustable is complete unnecessary.In addition, because the flow gate travel of this sand proportional divider is big, the cylinder stroke of configuration is also big, so the appearance and size of product is bigger, and the manufacturing cost height.
The purpose of this utility model provides a kind of simple in structure, and volume is small and exquisite, and is easy to operate, practical and reliable sand proportional divider.This sand proportional divider the time has been determined the ratio of fresh sand and reclaimed sand in design, has removed numerous and diverse debugging work from, to overcome the deficiencies in the prior art.
The purpose of this utility model is to realize by following technical scheme: it is made up of feed pipe, sand material lead-over groove, dividing plate, roller devices, blending bin, push-pull valve, push-pull valve seat board, push-pull valve cylinder, discharge nozzle and cylinder, and dividing plate is divided into sand material lead-over groove two chambers of splendid attire fresh sand and reclaimed sand.A fixing flow-through orifice is housed below sand material lead-over groove, has two holes that face toward two chambers of sand material lead-over groove respectively on the flow-through orifice; A flow flashboard is arranged below flow-through orifice, by roller devices supporting, have on the flow flashboard two with flow-through orifice on the identical hole of two hole pitch-rows, the flow flashboard drives and moves by carrying out cylinder.
Hole on flow-through orifice and the flow flashboard is two rectangular openings that vary in size or square opening, and its size is determined in the sand ratio of joining of fresh sand and reclaimed sand.
Critical piece of the present utility model is installed in the housing.Housing is provided with monitor door, so that maintenance and cleaning.
Characteristics of the present utility model are simple in structure, and volume is little, flow flashboard and to carry out the impulse stroke of cylinder short, and owing to be that so extremely easy to use, manufacturing cost is then well below existing product in the ratio design of fresh sand and reclaimed sand.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a schematic appearance of the present utility model.
The schematic diagram of flow-through orifice and flow flashboard relative position when Fig. 3 is the tail cylinder air inlet.
The schematic diagram of flow-through orifice and flow flashboard relative position when Fig. 4 is the cylinder head air inlet.
Below in conjunction with accompanying drawing, the utility model will be further described.
The utility model is used between sand hopper and the resin sand puddle mixer, and symmetrical structure is adopted in its inside.As shown in Fig. 1 and Fig. 2, top of the present utility model is the feed pipe 2 and 14 that is connected with the sand hopper, respectively in order to receive from sand hopper next fresh sand and reclaimed sand, what join with feed pipe 2 and 14 is sand material lead-over groove 13, there is a vertical clapboard 1 that fresh sand and reclaimed sand are mixed in central authorities at sand material lead-over groove 13, and vertical clapboard 1 is divided into two chambers with sand material lead-over groove 13.A fixing flow-through orifice 12 is equipped with in the below of sand material lead-over groove 13, have two rectangular openings that vary in size or square opening on the flow-through orifice 12, macropore is used to pass through reclaimed sand, aperture is used to pass through fresh sand, these two holes make fresh sand and reclaimed sand edge channel flow separately respectively facing to two chambers of sand material lead-over groove 13.Be provided with a flow flashboard 11 below flow-through orifice 12, flow flashboard 11 is bearing on the roller devices 5.Have two but the rectangular opening or the square openings that vary in size identical on the flow flashboard 11 with two hole pitch-rows on the flow-through orifice 12, and big aperture is corresponding with the big aperture on the flow-through orifice 12, all holes are at flow flashboard 11 the measure-alike of direction that move both vertically, and its size is determined in joining the sand ratio.Flow flashboard 11 directly is connected with execution cylinder 15, drives flow flashboards 11 by cylinder 15 and does straight reciprocating motion.Be blending bin 10 below flow flashboard 11, fresh sand and reclaimed sand are mixed.Blending bin 10 connects with push-pull valve 6, and push-pull valve 6 is fixed on the push-pull valve seat board 9, is driven by push-pull valve cylinder 8, plays the effect of opening or cutting off sand flow.The below of push-pull valve 6 is discharge nozzles 7, and the sand material enters the resin puddle mixer through discharge nozzle 7.
During use, fresh sand and reclaimed sand enter sand material lead-over groove 13 by feed pipe 2 and 14 respectively, and vertical clapboard 1 is divided into two chambers with sand material lead-over groove 13, and fresh sand and reclaimed sand are mixed.Flow flashboard 11 drives and does straight reciprocating motion by carrying out cylinder 15, makes that flow flashboard 11 overlaps with two holes on the flow-through orifice 12, staggering changes the flow of fresh sand and reclaimed sand.When cylinder 15 afterbody air inlets, flow-through orifice 12 is combined into two with hole on the flow flashboard 11 can be by the hole that overlaps of sand material, and as shown in Figure 3, wherein macropore is by reclaimed sand, and aperture passes through fresh sand; When cylinder 15 head air inlets, the aperture on flow-through orifice 12 and the flow flashboard 11 staggers, and the hole that macropore forms increases, as shown in Figure 4.The stroke of cylinder 15 determines according to flow flashboard 11 distance between the present position when two kinds of different sand proportioning situations, no matter but how many sand proportionings is, total the sand amount of passing through remains unchanged substantially.Fresh sand and reclaimed sand enter blending bin 10 after by flow-through orifice 12 and flow flashboard 11, and fresh sand and reclaimed sand are mixed.Mixed sand material draws off from discharge nozzle 7 through push-pull valve 6, enters in the resin sand puddle mixer.Push-pull valve 6 is installed on the push-pull valve seat board 9, is driven by push-pull valve cylinder 8, works to open and cut off sand flow.
Main member described in the utility model can be installed in the airtight housing 3, so both can avoid dust to raise outward, can make good looking appearance again.On three vertical planes of housing 3, be provided with monitor door 4, open monitor door 4, can keep in repair or clear up inside.
Claims (3)
1, a kind of sand proportional divider, the pro rate that is used for fresh sand and reclaimed sand, mainly by feed pipe 2 and 14, sand material lead-over groove 13, dividing plate 1, roller devices 5, blending bin 10, push-pull valve 6, push-pull valve seat board 9, push-pull valve cylinder 8, discharge nozzle 7 and execution cylinder 15 are formed, dividing plate 1 is divided into sand material lead-over groove 13 two chambers of the reclaimed sand of splendid attire fresh sand, it is characterized in that below sand material lead-over groove 13, being equipped with a fixing flow-through orifice 12, have two holes above it, aim at two chambers of sand material lead-over groove 13 respectively, a flow flashboard 11 is housed below flow-through orifice 12, by roller devices 5 supportings, have two holes on the flow flashboard 11, the pitch-row in two holes is identical on its pitch-row and the flow-through orifice 12, and flow flashboard 11 drives by carrying out cylinder 15.
2, sand proportional divider according to claim 1 is characterized in that the hole on flow-through orifice 12 and the flow flashboard 11, is two rectangular openings that vary in size or square opening, and the size that all Kong Zaiyu flow flashboards 11 move both vertically direction is identical.
3, sand proportional divider according to claim 1, it is characterized in that sand material lead-over groove 13, dividing plate 1, roller devices 5, blending bin 10, push-pull valve 6, push-pull valve seat board 9, flow-through orifice 12 and flow flashboard 11 are installed in the housing 3, housing 3 is provided with monitor door 4, is convenient to maintenance and cleaning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92245329 CN2149261Y (en) | 1992-12-30 | 1992-12-30 | Device for distributing sands with a ratio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92245329 CN2149261Y (en) | 1992-12-30 | 1992-12-30 | Device for distributing sands with a ratio |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2149261Y true CN2149261Y (en) | 1993-12-15 |
Family
ID=33784307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92245329 Expired - Fee Related CN2149261Y (en) | 1992-12-30 | 1992-12-30 | Device for distributing sands with a ratio |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2149261Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102328019A (en) * | 2011-07-12 | 2012-01-25 | 中核苏阀横店机械有限公司 | Sand mulling monitoring alarm system |
| CN105149505A (en) * | 2015-07-24 | 2015-12-16 | 共享铸钢有限公司 | Old and new sand mixing system for casting and sand mixing method thereof |
| CN105382179A (en) * | 2015-12-03 | 2016-03-09 | 重庆柳开机械铸造有限公司 | Sand mixer with premixing function and cooling function |
| CN105414474A (en) * | 2015-12-03 | 2016-03-23 | 重庆柳开机械铸造有限公司 | Sand mixer with rapid discharging and cooling functions |
| CN108372272A (en) * | 2018-03-28 | 2018-08-07 | 陈婷 | A kind of uniform metallurgy and foundry sand mixer of batch mixing |
-
1992
- 1992-12-30 CN CN 92245329 patent/CN2149261Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102328019A (en) * | 2011-07-12 | 2012-01-25 | 中核苏阀横店机械有限公司 | Sand mulling monitoring alarm system |
| CN105149505A (en) * | 2015-07-24 | 2015-12-16 | 共享铸钢有限公司 | Old and new sand mixing system for casting and sand mixing method thereof |
| CN105149505B (en) * | 2015-07-24 | 2017-08-15 | 共享铸钢有限公司 | One kind casting new old sand hybrid system and its mulling method |
| CN105382179A (en) * | 2015-12-03 | 2016-03-09 | 重庆柳开机械铸造有限公司 | Sand mixer with premixing function and cooling function |
| CN105414474A (en) * | 2015-12-03 | 2016-03-23 | 重庆柳开机械铸造有限公司 | Sand mixer with rapid discharging and cooling functions |
| CN108372272A (en) * | 2018-03-28 | 2018-08-07 | 陈婷 | A kind of uniform metallurgy and foundry sand mixer of batch mixing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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 |