CN105772627A - Old sand regenerator - Google Patents
Old sand regenerator Download PDFInfo
- Publication number
- CN105772627A CN105772627A CN201610167971.4A CN201610167971A CN105772627A CN 105772627 A CN105772627 A CN 105772627A CN 201610167971 A CN201610167971 A CN 201610167971A CN 105772627 A CN105772627 A CN 105772627A
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- China
- Prior art keywords
- sand
- cylinder
- roll body
- rotating shaft
- circle
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Classifications
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- 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
- B22C5/04—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by grinding, blending, mixing, kneading, or stirring
-
- 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
- B22C5/02—Dressing by centrifuging essentially or additionally
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Centrifugal Separators (AREA)
Abstract
The invention provides an old sand regenerator, and particularly relates to a mechanical old sand regenerator. According to the old sand regenerator, membranes on the surfaces of sand can be evenly and rapidly smashed, the smashing intensity is easy to control, and sand bodies with different qualities are conveniently produced. The old sand regenerator comprises a rack, a barrel and a rotation driving device, the barrel is fixed to the rack, a roller is arranged in the barrel coaxially, and many rings of hitting plates are arranged on the roller; each ring of hitting plate is a plate body distributed in the circumferential direction of the roller, many rings of collision plates corresponding to the hitting plates on the roller are arranged in the barrel, and the position, between two rings of collision plates, of the barrel is provided with a ring of sand flow guide plate; a rotating shaft is arranged on the roller and connected with the rotating driving device. By means of the old sand regenerator, the sand is relatively uniform even though collision occurs, and the efficiency is higher. By controlling the rotating speed of the roller, the smashing intensity of the sand can be controlled, and the sane in different sizes can be obtained.
Description
Technical field
The invention belongs to a kind of reclaiming machine for waste sand, particularly a kind of mechanical type reclaiming machine for waste sand.
Background technology
A large amount of discharges of cast used sand, not only cause the waste of casting resource, and environment cause great pollution, the regeneration of old sand has been become casting industry problem demanding prompt solution.Old sand is carried out the residue such as physics, binding agent that is chemical or that gather on heat treated removal sand grains and inert membrane and particulates emission, dust by regenerating used; make a kind of casting technique that the various processing performances of old sand are restored; its final purpose is exactly make every effort to reduce the fresh sand consumption in Foundry Production, saves economic input, improves casting quality, conservation of nature environment.So just improving casting quality, the popularization of regenerating used technology and use are very necessary.Wherein, to utilize the physical disruption methods environmental protection the most of machinery, but the regeneration of existing regenerating device is to go impacting object after sand is accelerated to certain speed, make the film rupture of sand surface and come off, but this machine makes the speed of sand be difficult to control, if too fast, easily also being smashed by the grains of sand, if too slow, beat uneven, regeneration rate reduces；In addition, it is necessary to the remained on surface film strength according to different process sand, control the impact force of sand flexibly.
Summary of the invention
It is an object of the invention to there are the problems referred to above for existing technology, propose a kind of reclaiming machine for waste sand, the film of sand surface can be crushed by this reclaiming machine for waste sand evenly and rapidly, and is easily controlled crushing strength, in order to adapts to the demoulding demand of different process sand.
The purpose of the present invention can be realized by following technical proposal: a kind of reclaiming machine for waste sand, including frame, cylinder and device of rotation driving etc., described cylinder is fixed in frame.Coaxial in described cylinder arranging a roll body, described roll body is provided with the beater plate of a circle circle from top to bottom, often circle crash panel is along the circumferentially distributed little one by one plate body of roll body.The crash panel of a circle circle corresponding with the beater plate on roll body it is provided with in described cylinder, cylinder between upper and lower two circle crash panels is provided with a circle sand drift guide plate, above beater plate on the sand water conservancy diversion that will flow down from above to roll body, make sand body stream to beater plate.Being provided with rotating shaft on described roll body, described rotating shaft connects device of rotation driving, for controlling the rotation of roll body.During work, sand enters the gap between cylinder and roll body, bumps against with the beater plate rotated on roll body, produce first time effect of impact in the process fallen, sand strikes on the crash panel on cylinder under the hitting power effect of beater plate, produces second time effect of impact.Sand clashes on the sand drift guide plate falling lower section after crash panel, on next the circle beater plate on water conservancy diversion plate current to roll body, then through the shock of the beater plate of this circle and crash panel.So, when sand flows from top to bottom, through tortuous descent path, repeatedly clashed into by the beater plate of a circle circle and crash panel.By controlling rotating speed, the crushing strength of sand surface film can be controlled, obtain different size of sand.
In above-mentioned reclaiming machine for waste sand, the two ends up and down of described roll body rotating shaft are by bearings on the lower and upper cross-member of frame, and the lower end of roll body rotating shaft is connected by belt wheel transmission mechanism with the frequency control motor in gantry base.Easily the rotating speed of roll body can be adjusted by frequency control motor, in order to carry out speed controlling flexibly according to the sand of different film-strengths.
In above-mentioned reclaiming machine for waste sand, described roll body upper end arranges sand flow guiding cap body, the cap body sand dispersion that will fall from above evenly so that it is enter into the gap between cylinder and roll body.
In above-mentioned reclaiming machine for waste sand, a described cylinder circle crash panel topmost is that skewed state is arranged, and incline direction is contrary with roll body rotation direction.Sand is so made when striking on crash panel, to be subject to downward bounce, it is prevented that sand upwards splashes.
In above-mentioned reclaiming machine for waste sand, described cylinder lower port is linked with dedusting cylinder, the barrel of described dedusting cylinder offers air inlet and inlet scoop, above described air inlet and inlet scoop, is provided with the shutter of protrusion, it is prevented that the sand of whereabouts enters air inlet and inlet scoop.Described inlet scoop UNICOM dust exhaust apparatus, in order to the lighter dust such as the broken film come off from sand are siphoned away.
In above-mentioned reclaiming machine for waste sand, described dedusting cylinder is up big and down small conically shaped, described conically shaped lower port UNICOM recipient, the rotating shaft of described roll body extends into conically shaped and recipient, the rotating shaft of recipient section is provided with up-small and down-big fin, sand flows to recipient section, and the sand body entered is had the effect of rubbing and pressure gradually by the up-small and down-big fin rotated with axle, thus realizing the demoulding to sand surface further.
In above-mentioned reclaiming machine for waste sand, described recipient is arranged below centrifugal sand distribution tube, and the rotating shaft of described roll body extends into centrifugal sand distribution tube, and the rotating shaft in described centrifugal sand distribution tube is fixed with the disk corresponding with the recipient port of export.Dropping on the disk of axis of rotation from recipient sand out, sand scatters to surrounding under the influence of centrifugal force, sand body is had and further hits and the centrifugation of film dust.
In above-mentioned reclaiming machine for waste sand, the cylinder of described centrifugal sand distribution tube is fixed on the crossbeam of gantry base, and described rotating shaft is by bearings on crossbeam, and described disk is positioned at the top of bearing, and described disk is arranged below axial scraping blade.The scraping blade rotated blows the sand dropping on crossbeam off, it is prevented that sand enters bearing.
In above-mentioned reclaiming machine for waste sand, described cylinder is covered with shell body, shell body be arranged over corresponding cylinder upper port sand inlet, shell body be connected with corresponding centrifugal sand distribution tube lower port sand export, being provided with dust removal port on shell body, described dust removal port connects dust arrester, such as vacuum cleaner, for film dust is siphoned away, the isolated film dust of disk particularly rotated.
In above-mentioned reclaiming machine for waste sand, described cylinder is combined by two semicircular cylinder, in order to the dismounting to cylinder.
Compared with prior art, this reclaiming machine for waste sand has the advantage that
1, the cylinder of present invention design and roll body are when making sand flow from top to bottom, through tortuous descent path, are repeatedly clashed into by the beater plate of a circle circle and crash panel so that sand is scattered more uniform, so that what be knocked is also more uniform, efficiency is higher.By controlling the rotating speed of roll body, the crushing strength of sand surface film can be controlled, adapt to the demoulding demand of different process sand.
Sand is made separating of further broken and film and sand by recipient that 2, the present invention adds and the design of centrifugal sand distribution tube in a different manner, can make the more thorough of film and sand separation.
3, the present invention is simple by frequency control of motor speed structure, and easy to operate, cost is low, is greatly improved production efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the fiting relation figure of cylinder and roll body；
Fig. 3 is the structural representation of half cylinder；
Fig. 4 is the schematic diagram of the air inlet at dedusting cylinder place and gas outlet；
Fig. 5 is the main TV structure schematic diagram of the sleeve with fin in recipient；
Fig. 6 is the plan structure schematic diagram of the sleeve with fin in recipient.
In figure, 1, frame；2, cylinder；3, roll body；4, beater plate；5, crash panel；5.1 circle crash panels topmost；6, sand drift guide plate；7, rotating shaft；8, entablature；9, sill；10, base；11, frequency control motor;12, sand inlet；13, cap body；14, dedusting cylinder；15, air inlet；15.1 shutter；16, inlet scoop；17, recipient；18, sleeve；19, fin；20, centrifugal sand distribution tube；21, disk；22, scraping blade；23, sand inlet；24, shell body；25, dust removal port.
Detailed description of the invention
The following is specific embodiments of the invention and in conjunction with accompanying drawing, technical scheme is further described, but the present invention is not limited to these embodiments.
As shown in Figure 1, 2, a kind of reclaiming machine for waste sand, including frames 1, cylinder 2, cylinder is fixed in frame, and described cylinder is combined (state being half cylinder of having taken away as shown in Figure 1) by two semicircular cylinder, and two semicircular cylinder is bolted.Coaxial in described cylinder arranging a roll body 3, described roll body is provided with the beater plate 4 of a circle circle from top to bottom, often circle beater plate is that little plate body is " L " shape, is bolted on roll body along the circumferentially distributed little one by one plate body of roll body.Being provided with the crash panel 5 of a circle circle corresponding with the beater plate on roll body in described cylinder, crash panel is similar with beater plate structure, also by being bolted on cylinder inboard wall.As it is shown on figure 3, the circle crash panel 5.1 that cylinder is topmost is arranged for heeling condition, incline direction is contrary with roll body rotation direction.
Being provided with a circle sand drift guide plate 6 on cylinder between upper and lower two circle crash panels, namely one enclose the back-up ring extended internally, back-up ring is slightly downward-sloping, and the edge of back-up ring, towards the beater plate on roll body, makes sand body stream to beater plate.
Being provided with rotating shaft on described roll body, described roll body rotating shaft 7 is through cylinder, and the two ends up and down of rotating shaft 7 are by bearings on the upper and lower crossbeam 8,9 of frame, and the lower end of roll body rotating shaft is connected by belt wheel transmission mechanism with the frequency control motor 11 in gantry base 10.Described rotating shaft 7 connects device of rotation driving, for controlling the rotation of roll body.
Cylinder upper end arranges sand inlet 12, and described roll body upper end arranges the sand flow guiding cap body 13 of cone, the cap body sand dispersion that will fall from above evenly so that it is enter into the gap between cylinder and roll body.
As shown in Figure 4, described cylinder lower port is linked with up big and down small taper dedusting cylinder 14, the barrel of described dedusting cylinder offers air inlet 15 and inlet scoop 16, above described air inlet and inlet scoop, is provided with the shutter 15.1 of protrusion, it is prevented that the sand of whereabouts enters air inlet and inlet scoop.Described inlet scoop UNICOM dust exhaust apparatus, in order to the lighter dust such as the broken film come off from sand are siphoned away.
Described dedusting cylinder lower port UNICOM one recipient 17, in the present embodiment, dedusting cylinder and recipient are integral type, being cased with a sleeve 18 in the rotating shaft of the roll body of described recipient section, as shown in Figure 5,6, all sides distribution of sleeve has several up-small and down-big fin 19, the present embodiment is the wedge-shaped bar being bolted on sleeve, sand flows to recipient section, and the sand flow through is had the effect of rubbing and pressure gradually by the up-small and down-big fin rotated with axle, thus realizing the demoulding to sand surface further.
Described recipient is arranged below centrifugal sand distribution tube 20, and the cylinder of described centrifugal sand distribution tube is fixed on the crossbeam of gantry base, and the rotating shaft in described centrifugal sand distribution tube is fixed with the disk 21 corresponding with the recipient port of export.Described disk is positioned at the top of bearing, and described disk is arranged below axial scraping blade 22, is two vertical platelets.Dropping on the disk of axis of rotation from recipient sand out, sand scatters entrance sand distribution tube to surrounding under the influence of centrifugal force, sand body is had and further hits and the centrifugation of film dust, and the scraping blade of rotation blows the sand dropping on crossbeam off.
Described cylinder and portion chassis cover in shell body 24, shell body be arranged over corresponding cylinder upper port sand inlet 23, shell body is connected with the bucket shape sand export of corresponding centrifugal sand distribution tube lower port, shell body is additionally provided with dust removal port 25, described dust removal port connects dust arrester, such as vacuum cleaner, for film dust is siphoned away, the isolated film dust of disk particularly rotated.
During work, sand enters the gap between cylinder and roll body, bumps against with the beater plate rotated on roll body, produce first time effect of impact in the process fallen, sand strikes on the crash panel on cylinder under the hitting power effect of beater plate, produces second time effect of impact.Sand clashes on the sand drift guide plate falling lower section after crash panel, on next the circle beater plate on water conservancy diversion plate current to roll body, then through the shock of the beater plate of this circle and crash panel.So, when sand flows from top to bottom, through tortuous descent path, repeatedly clashed into by the beater plate of a circle circle and crash panel.By controlling rotating speed, the crushing strength of sand surface film can be controlled.
Specific embodiment described herein is only to present invention spirit explanation for example.Described specific embodiment can be made various amendment or supplements or adopt similar mode to substitute by those skilled in the art, but without departing from the spirit of the present invention or surmount the scope that appended claims is defined.
Although more employing 1 herein, frame；2, cylinder；3, roll body；4, beater plate；5, crash panel；6, sand drift guide plate；7, rotating shaft；8, entablature；9, sill；10, base；11, frequency control motor;12, sand inlet；13, cap body；14, dedusting cylinder；15, air inlet；15.1 shutter；16, inlet scoop；17, recipient；18, sleeve；19, fin；20, centrifugal sand distribution tube；21, disk；22, scraping blade；23, sand inlet；24, shell body；25, the term such as dust removal port, but it is not precluded from using the probability of other term.These terms are used to be only used to describe and explain more easily the essence of the present invention；It is all contrary with spirit of the present invention for being construed as any additional restriction.
Claims (10)
1. a reclaiming machine for waste sand, including frame, cylinder and device of rotation driving, described cylinder is fixed in frame, it is characterized in that, coaxial in described cylinder a roll body is set, described roll body is provided with the beater plate of a circle circle, often circle crash panel is along the circumferentially distributed plate body of roll body, the crash panel of a circle circle corresponding with the beater plate on roll body it is provided with in described cylinder, cylinder between two circle crash panels is provided with a circle sand drift guide plate, being provided with rotating shaft on described roll body, described rotating shaft connects device of rotation driving.
2. reclaiming machine for waste sand according to claim 1, it is characterised in that the two ends up and down of described roll body rotating shaft are by bearings on the lower and upper cross-member of frame, and the lower end of roll body rotating shaft is connected by belt wheel transmission mechanism with the frequency control motor in gantry base.
3. reclaiming machine for waste sand according to claim 1, it is characterised in that described roll body upper end arranges sand flow guiding cap body.
4. reclaiming machine for waste sand according to claim 1, it is characterised in that a described cylinder circle crash panel topmost is skewed setting, and incline direction is contrary with roll body rotation direction.
5. reclaiming machine for waste sand according to claim 1, it is characterized in that, described cylinder lower port is linked with dedusting cylinder, and the barrel of described dedusting cylinder offers air inlet and inlet scoop, the shutter of protrusion, described inlet scoop UNICOM dust exhaust apparatus it is provided with above described air inlet and inlet scoop.
6. reclaiming machine for waste sand according to claim 5, it is characterized in that, described dedusting cylinder is up big and down small conically shaped, described conically shaped lower port UNICOM recipient, the rotating shaft of described roll body extends into conically shaped and recipient, and the rotating shaft of recipient section is provided with up-small and down-big fin.
7. reclaiming machine for waste sand according to claim 6, it is characterised in that described recipient is arranged below centrifugal sand distribution tube, and the rotating shaft of described roll body extends into centrifugal sand distribution tube, and the rotating shaft in described centrifugal sand distribution tube is fixed with the disk corresponding with the recipient port of export.
8. reclaiming machine for waste sand according to claim 7, it is characterized in that, the cylinder of described centrifugal sand distribution tube is fixed on the crossbeam of gantry base, and described rotating shaft passes through bearings on crossbeam, described disk is positioned at the top of bearing, and described disk is arranged below axial scraping blade.
9. reclaiming machine for waste sand according to claim 8, it is characterized in that, described cylinder is covered with shell body, shell body be arranged over corresponding cylinder upper port sand inlet, shell body be connected with corresponding centrifugal sand distribution tube lower port sand export, being provided with dust removal port on shell body, described dust removal port connects dust arrester.
10. any one reclaiming machine for waste sand according to claim 1 to 9, it is characterised in that described cylinder is combined by two semicircular cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610167971.4A CN105772627B (en) | 2016-03-23 | 2016-03-23 | A kind of reclaiming machine for waste sand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610167971.4A CN105772627B (en) | 2016-03-23 | 2016-03-23 | A kind of reclaiming machine for waste sand |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105772627A true CN105772627A (en) | 2016-07-20 |
| CN105772627B CN105772627B (en) | 2017-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610167971.4A Active CN105772627B (en) | 2016-03-23 | 2016-03-23 | A kind of reclaiming machine for waste sand |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108453217A (en) * | 2018-04-04 | 2018-08-28 | 陈婷 | A kind of casting sand disintegrating apparatus |
| CN112122546A (en) * | 2020-09-08 | 2020-12-25 | 合肥米弘智能科技有限公司 | Solid waste recycling processing equipment and processing technology |
| CN112404345A (en) * | 2020-12-01 | 2021-02-26 | 创发科技(泰兴)有限公司 | Centrifugal regeneration mechanism for casting self-hardening sand machine |
| CN117733065A (en) * | 2023-10-26 | 2024-03-22 | 连云港赣榆腾飞机械铸造有限公司 | Casting precoated sand recycling device and method |
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| GB405515A (en) * | 1933-06-06 | 1934-02-08 | Badische Maschf Gmbh | Improved method of and apparatus for mixing granular material, particularly moulding sand |
| CN2815548Y (en) * | 2004-10-05 | 2006-09-13 | 李江平 | Eddy centrifugal old-sand regenerating machine |
| CN201455178U (en) * | 2009-08-27 | 2010-05-12 | 双星漯河中原机械有限公司 | Multi-level high-efficiency regeneration winnowing machine |
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| CN203565773U (en) * | 2013-11-19 | 2014-04-30 | 无锡市康晖机械制造有限公司 | Scraper plate mechanism of membrane coated sand mixer |
| CN104624334A (en) * | 2014-12-26 | 2015-05-20 | 中北大学 | Cast impact type gravel sand making machine |
| CN104646607A (en) * | 2013-11-19 | 2015-05-27 | 无锡市康晖机械制造有限公司 | Turntable type regenerator |
| CN204657398U (en) * | 2012-06-20 | 2015-09-23 | 新东工业株式会社 | Casting model powder regenerating unit |
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB405515A (en) * | 1933-06-06 | 1934-02-08 | Badische Maschf Gmbh | Improved method of and apparatus for mixing granular material, particularly moulding sand |
| CN2815548Y (en) * | 2004-10-05 | 2006-09-13 | 李江平 | Eddy centrifugal old-sand regenerating machine |
| CN201455178U (en) * | 2009-08-27 | 2010-05-12 | 双星漯河中原机械有限公司 | Multi-level high-efficiency regeneration winnowing machine |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108453217A (en) * | 2018-04-04 | 2018-08-28 | 陈婷 | A kind of casting sand disintegrating apparatus |
| CN112122546A (en) * | 2020-09-08 | 2020-12-25 | 合肥米弘智能科技有限公司 | Solid waste recycling processing equipment and processing technology |
| CN112122546B (en) * | 2020-09-08 | 2021-08-03 | 扬州胜宁信息技术有限公司 | Processing equipment and processing technology for recycling casting waste sand solid waste |
| CN112404345A (en) * | 2020-12-01 | 2021-02-26 | 创发科技(泰兴)有限公司 | Centrifugal regeneration mechanism for casting self-hardening sand machine |
| CN117733065A (en) * | 2023-10-26 | 2024-03-22 | 连云港赣榆腾飞机械铸造有限公司 | Casting precoated sand recycling device and method |
| CN117733065B (en) * | 2023-10-26 | 2024-05-31 | 连云港赣榆腾飞机械铸造有限公司 | Casting precoated sand recycling device and method |
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| Publication number | Publication date |
|---|---|
| CN105772627B (en) | 2017-11-28 |
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