CN102581218B - Roller combined gyration-type used sand reconditioning system - Google Patents
Roller combined gyration-type used sand reconditioning system Download PDFInfo
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- CN102581218B CN102581218B CN201210085661XA CN201210085661A CN102581218B CN 102581218 B CN102581218 B CN 102581218B CN 201210085661X A CN201210085661X A CN 201210085661XA CN 201210085661 A CN201210085661 A CN 201210085661A CN 102581218 B CN102581218 B CN 102581218B
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- sand
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- gyration
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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
- B22C5/06—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by sieving or magnetic separating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combined Means For Separation Of Solids (AREA)
- Road Paving Machines (AREA)
Abstract
The invention discloses a roller combined gyration-type used sand reconditioning system, which comprises a roller reconditioning device, a dust removing device, a secondary demoulding device, a conveying device and a sand mixing device. A discharging port of the roller reconditioning device is connected with a feeding port of the secondary demoulding device. The dust removing device is located on the lateral portion of the roller reconditioning device. A discharging port of the secondary demoulding device is connected with the conveying device. The sand mixing device is located at the position of a discharging port of the conveying device. The roller combined gyration-type used sand reconditioning system integrates the basic functions of smashing, demoulding, dust removing, conveying and the like in an identical machine body, removes intermediate links to the maximum degree and preferably chooses the process scheme of jump running on the condition of gear shifting. The jump running process technology on the condition of gear shifting not only can be used in the sand reconditioning system but also can be used in other fields or other mechanical products. The jump running process technology is of special significance.
Description
Technical field
The invention belongs to the machine casting technical field, be specifically related to a kind of roller combined gyration-type used sand reconditioning system.
Background technology
At present, domestic resin sand regeneration is processed and is generally adopted vibration friction regeneration technology to process, but there is the problem of following four aspects in this technique:
At first, this technique intermediate link is too much, long flow path, makes troubles and inconvenience to operation, and its production procedure comprises: more than 10 links such as knockout-conveying-fragmentation-magnetic separation-regeneration-temperature adjustment-pneumatic transmission-dedusting-mulling-moulding, if a link goes wrong, whole line production is just influenced.
Secondly, the device structure that this technique adopts is complicated, the bodily form is huge, take that the workshop area is large and corollary equipment is many, and cost of investment is high, and the various kinds of equipment of a complete set of production line can reach more than 16 kinds, comprising: 1, vibratory shakeout machine; 2, magnetic-separation belt conveyor; 3, dust arrester; 4, vibration regenerating device; 5, centrifugal regenerating device; 6, bucket elevator; 7, boiling cooling bed; 8, bucket elevator; 9, pneumatic flashboard; 10, middle pressure force feed device; 11, old sand storehouse; 12, new sand storage; 13, bucket elevator; 14, new old sand proportional controller; 15, grain position meter; 16, both arms flow mixer etc.Because equipment is various, corresponding investment and the manufacturing cost of having strengthened; One cover is produced 1000 tons of sand process for producing line total values to 2000 tons of foundry goods per year and also is not less than 200,000 yuan of left and right less again, and this is prices that are difficult to afford for general medium-sized and small enterprises.
Its three, vibration friction regeneration technology is to produce exciting take vibrating motor as vibration source, makes sand lump breaking, friction, but do not have the hammering crushing function, thereby purposes is single, is only applicable to resin sand regeneration and processes, and high for sand agglomerate hardness, the water-glass sand that intensity is large can not be suitable at all.
They are four years old, the vibration regeneration treatment system has configured computer and has controlled, seem automaticity higher, but incomplete due to trouble feedback system, in case sand dust, temperature, resin and the imbalance of curing agent proportioning, will cause unnecessary loss and waste, this birth defects, only depending on people's subjectivity performance is a very formidable difficult problem.
Summary of the invention
The present invention is in order to solve weak point of the prior art, and a kind of simple in structure, easy and simple to handle, flow process is short, cost is low, treatment effect is good roller combined gyration-type used sand reconditioning system is provided.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: roller combined gyration-type used sand reconditioning system, comprise drum-type regenerating device, dust arrester, secondary stripper apparatus, conveying device and puddle mixer, the discharging opening of drum-type regenerating device is connected with the charging aperture of secondary stripper apparatus, dust arrester is positioned at drum-type regenerating device sidepiece, the discharging opening of secondary stripper apparatus is connected with conveying device, and puddle mixer is positioned at the discharging opening place of conveying device.
Described drum-type regenerating device comprises frame, be located at shell on frame, establish cylinder in the enclosure, the vibratory sieve that is connected non-equilibrium Power Drive Unit with drum drive and is located at the cylinder below, cylinder one end offers dog-house, inner wall of rotary drum is provided with hammer and drop-hole, the cylinder below is carried wheel by holder and is rotationally connected with frame, the vibratory sieve lower surface is connected with the vibration reducing motor, vibratory sieve lower surface both sides are rotated and to be provided with roller, and roller is located in slideway on frame.
described non-equilibrium Power Drive Unit comprises the flange-type driver that is bolted with cylinder end face central authorities, power transmission shaft, bearing block, shaft coupling and gear type drive reducing motor, actuator shaft to the axis hole and the pulling hole that radially offer respectively connection, the internal diameter of axis hole is greater than the power transmission shaft outside dimension, power transmission shaft is rotatably connected on bearing block, power transmission shaft one end drives reducing motor by shaft coupling and gear type and is in transmission connection, the power transmission shaft other end passes axis hole and extend in pulling hole and be connected by driving lever and pulling hole that this end is fixedly connected with, driving lever and power transmission shaft consist of T-shaped structure.
Described secondary stripper apparatus comprises that demoulding conveying motor, the speed changer, stationary magazine creel and the rotation that are connected with demoulding conveying motor-driven are located at the rotating cylinder in stationary magazine creel, clutch end and the rotating cylinder of speed changer are in transmission connection, the rotating cylinder circumferential surface is provided with spiral ridge, and stationary magazine creel both sides are respectively equipped with and connect sand mouth and sand export.
Described conveying device is the auger type conveyer, and the auger in conveying device and another clutch end of speed changer are in transmission connection, and the exit of conveying device is provided with secondary filter.
Key technology of the present invention is two:
One is intensive combined type.Take an overall view of all kinds of regenerating useds and process, no matter how complicated its structure is, the core is nothing more than being on old sand fragmentation, demoulding, screening, dedusting three basic point.The present invention is just tightly around these three technical essentials, courageously improve and combination, the basic functions such as fragmentation, demoulding, screening, dedusting, conveying are concentrated completed in same body, maximized compression intermediate link, these technical places of starting and inventing the core that consists of the technical program.
Key technology again is formulate under gear graduation to working drum and special Power Drive Unit and the working environment of cover is provided, and makes it can be in run untrue under nonequilibrium condition, and during greater than 10mm, cylinder is still runed unaffected as usual when beating degree.In trial-manufacturing process, cylinder has mainly adopted three kinds to drive drive manner under the gear graduation condition: the one, and logical axle head roll running; The 2nd, in cylinder periphery, gear ring is set, thus the wheel drive rollers running; The 3rd, adopt special run untrue type of drive, the internal diameter of axis hole is greater than the power transmission shaft outside dimension, can guarantee that cylinder realizes the beat type running in operation process, thereby improve the sand processing capacity.By analysis of experiments, logical axle drives impact operation and effect, encloses outside gear ring and drives, can strengthen and manufacture cost and investment, so first-selection of the present invention the process program of run untrue under the gear graduation.Run untrue technology under gear graduation not only can be used for the sand treatment regeneration system, but also can use on other field or other engineering goods, and this technology acquires a special sense.
Adopt technique scheme, have following beneficial effect:
The one, change numerous conforming to the principle of simplicity, optimal design, shortened process.The present invention processes the regeneration technology system flow with sand and has simplified 4 links, comprises that knockout-regeneration processes (fragmentation, friction, demoulding, screening separation, dedusting, secondary demoulding and carry seven functions to focus in same body and complete)-mulling-moulding.Though vibration friction regeneration and turn friction regeneration is a word difference just, whole technological process is compared, and gap is too large.The projecting point of turn type friction regeneration technology is exactly that flow process is short, and intermediate link is fewer but better, and the various kinds configuration is compact and efficient.
The 2nd, develop skill and the equipment intensive degree, investment and cost are lowered.The a complete set of production line of this device only has 6 parts to form, and has reduced in a large number corollary apparatus, cheap, and vast medium and small foundry enterprise is accepted.
The 3rd, be provided with the steel hammer with strike effect at the working drum inwall, make it both can be used for resin sand regeneration and process, also can be used for water-glass sand regeneration and process, also can be used for clay-bonded sand regeneration and process, a tractor serves several purposes has enlarged purposes and scope.
The 4th, simple to operate, easy to maintenance.A complete set of regeneration process all can be grasped by manual control, can not turn round completely or cause loss without reason because a certain link is out of order to affect.
Description of drawings
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is the structural representation of drum-type regenerating device in the middle of the present invention;
Fig. 3 is the structural representation of the central power transmission shaft of Fig. 2 and driving lever;
Fig. 4 is the side view at the central driver of Fig. 2 place;
Fig. 5 is the structural representation of secondary stripper apparatus and conveying device.
The specific embodiment
As Fig. 1～shown in Figure 5, roller combined gyration-type used sand reconditioning system of the present invention, comprise drum-type regenerating device 1, dust arrester 2, secondary stripper apparatus 3, conveying device 4 and puddle mixer 5, the discharging opening of drum-type regenerating device 1 is connected with the charging aperture of secondary stripper apparatus 3, dust arrester 2 is positioned at drum-type regenerating device 1 sidepiece, the discharging opening of secondary stripper apparatus 3 is connected with conveying device 4, and puddle mixer 5 is positioned at the discharging opening place of conveying device 4.
The vibratory sieve 9 that drum-type regenerating device 1 comprises frame 6, be located at shell 7 on frame 6, be located at cylinder 8 in shell 7, be in transmission connection non-equilibrium Power Drive Unit and be located at cylinder 8 belows with cylinder 8, cylinder 8 one ends offer dog-house 10, cylinder 8 inwalls are provided with hammer 11 and drop-hole 12, cylinder 8 belows are carried wheel 13 by holder and are rotationally connected with frame 6, vibratory sieve 9 lower surfaces are connected with vibration reducing motor 14, vibratory sieve 9 lower surface both sides are rotated and are provided with roller 32, and roller 32 is located in slideway 33 on frame 6.
non-equilibrium Power Drive Unit comprises the flange-type driver 15 that is bolted with cylinder 8 end face central authorities, power transmission shaft 16, bearing block 17, shaft coupling 18 and gear type drive reducing motor 19, driver 15 axially and radially offers respectively axis hole 20 and the pulling hole 21 of connection, the internal diameter of axis hole 20 is greater than power transmission shaft 16 outside dimensions, power transmission shaft 16 is rotatably connected on bearing block 17, power transmission shaft 16 1 ends drive reducing motor 19 by shaft coupling 18 and gear type and are in transmission connection, power transmission shaft 16 other ends pass axis hole and extend in pulling hole 21 and by the driving lever 22 that this end is fixedly connected with and be connected with pulling hole 21, driving lever 22 consists of T-shaped structure with power transmission shaft 16.
Conveying device 4 is the auger type conveyer, and the auger 30 in conveying device 4 is in transmission connection with another clutch end of speed changer 24, and the exit of conveying device 4 is provided with secondary filter 31.
Dust arrester 2, conveying device 4 and puddle mixer 5 are existing mature technology, and concrete structure repeats no more.
Specific works process of the present invention is:
Manually the old sand in sandbox is dropped into cylinder 8 from dog-house 10, gear type drives reducing motor 19 and drives cylinder 8 and rotate by power transmission shaft 16, driving lever 22, driver 15, and sand lump produces friction with cylinder 8 turns.the sand agglomerate is in the friction of cylinder 8 inwalls, and broken rapidly under hammer 11 hammering double actions, side swipe, remove the sand grain surface adhesive, then drop on sorting on the vibratory sieve 9 of lower floor through the drop-hole 12 on cylinder 8 walls through the sand grains of fragmentation, vibratory sieve 9 frequencies are a bit larger tham cylinder 8 rotating speeds, its screening separates can reach optimum efficiency, roller 32 moves back and forth in slideway 33, make vibratory sieve 9 produce exciting and separate, so that splashings, bushel iron and not broken sand lump are separated, in screening, dust arrester 2 is removed inert film and dust under totally-enclosed environment, sand enters by the lower sand mouth in main frame bottom and enters in the stationary magazine creel 25 of secondary stripper apparatus 3 by lower sand mouth 28, rotating cylinder 26 rotates, spiral ridge 27 plays the effect of conveying and the demoulding, after the secondary demoulding, enter into conveying device 4 through sand export 29, along with the finished sand that the turning handle of auger 30 was processed is delivered to the precalculated position, the inert film and the dust that produce for removing the secondary demoulding, the oral area that shakes out in conveying device 4 also configures secondary filter 31, further purify sand, thereby degree of purity and the quality of sand have been guaranteed.The sand of processing is sent in puddle mixer 5 at last again and mixes manufacturing.
Wherein, cylinder 8 can produce non-equilibrium beating in operation process, the key problem in technology of run untrue is 3 points: the one, and the axis hole 20 of the driver 15 that is connected with cylinder 8 is greater than more than power transmission shaft 16 diameter 5mm, its objective is when cylinder 8 generations are beated, driver 15 floats along with beating, and 16 of power transmission shafts are invariable all the time; The 2nd, holder is carried wheel 13 and is arranged eight, all carry work at cylinder 8 radiuses with subiculum, but this provides the specified conditions of run untrue to cylinder, and it is in order to reduce noise, to reduce mechanical wear that a holder year wheel 13 crosses glue.The 3rd, set suitable running speed to cylinder 8, rotating speed per minute is no more than 70 and turns.Comparatively speaking, low-speed running is beated to cylinder 8 mitigation.In a word, created special run untrue condition for cylinder 8 at these 3, can make cylinder 8 beating degrees greater than still running work as usual in the 10mm situation.
Claims (4)
1. roller combined gyration-type used sand reconditioning system, it is characterized in that: comprise drum-type regenerating device, dust arrester, secondary stripper apparatus, conveying device and puddle mixer, the discharging opening of drum-type regenerating device is connected with the charging aperture of secondary stripper apparatus, dust arrester is positioned at drum-type regenerating device sidepiece, the discharging opening of secondary stripper apparatus is connected with conveying device, and puddle mixer is positioned at the discharging opening place of conveying device;
Described drum-type regenerating device comprises frame, be located at shell on frame, establish cylinder in the enclosure, the vibratory sieve that is connected non-equilibrium Power Drive Unit with drum drive and is located at the cylinder below, cylinder one end offers dog-house, inner wall of rotary drum is provided with hammer and drop-hole, the cylinder below is carried wheel by holder and is rotationally connected with frame, vibratory sieve lower surface middle part is connected with the vibration reducing motor, vibratory sieve lower surface both sides are rotated and to be provided with roller, and roller is located in slideway on frame.
2. roller combined gyration-type used sand reconditioning system according to claim 1, it is characterized in that: described non-equilibrium Power Drive Unit comprises the flange-type driver that is bolted with cylinder end face central authorities, power transmission shaft, bearing block, shaft coupling and gear type drive reducing motor, actuator shaft to the axis hole and the pulling hole that radially offer respectively connection, the internal diameter of axis hole is greater than the power transmission shaft outside dimension, power transmission shaft is rotatably connected on bearing block, power transmission shaft one end drives reducing motor by shaft coupling and gear type and is in transmission connection, the power transmission shaft other end passes axis hole and extend in pulling hole and be connected by driving lever and pulling hole that this end is fixedly connected with, driving lever and power transmission shaft consist of T-shaped structure.
3. roller combined gyration-type used sand reconditioning system according to claim 1 and 2, it is characterized in that: described secondary stripper apparatus comprises that demoulding conveying motor, the speed changer, stationary magazine creel and the rotation that are connected with demoulding conveying motor-driven are located at the rotating cylinder in stationary magazine creel, clutch end and the rotating cylinder of speed changer are in transmission connection, the rotating cylinder circumferential surface is provided with spiral ridge, and stationary magazine creel both sides are respectively equipped with and connect sand mouth and sand export.
4. roller combined gyration-type used sand reconditioning system according to claim 3, it is characterized in that: described conveying device is the auger type conveyer, auger in conveying device and another clutch end of speed changer are in transmission connection, and the exit of conveying device is provided with secondary filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210085661XA CN102581218B (en) | 2012-03-28 | 2012-03-28 | Roller combined gyration-type used sand reconditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210085661XA CN102581218B (en) | 2012-03-28 | 2012-03-28 | Roller combined gyration-type used sand reconditioning system |
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| Publication Number | Publication Date |
|---|---|
| CN102581218A CN102581218A (en) | 2012-07-18 |
| CN102581218B true CN102581218B (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210085661XA Expired - Fee Related CN102581218B (en) | 2012-03-28 | 2012-03-28 | Roller combined gyration-type used sand reconditioning system |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102886491A (en) * | 2012-10-10 | 2013-01-23 | 安徽红星阀门有限公司 | Resin sand regenerating system |
| CN106311972A (en) * | 2015-06-29 | 2017-01-11 | 安徽泫氏铸造有限责任公司 | Device provided with vibration hammers |
| CN105170898B (en) * | 2015-10-12 | 2017-10-13 | 嘉善县汾湖铸钢厂 | A kind of sand blender |
| CN105903896B (en) * | 2016-06-27 | 2018-01-30 | 王印国 | Nice foundry sand, ceramsite sand cold process generating apparatus again |
| CN105921691A (en) * | 2016-07-01 | 2016-09-07 | 银峰铸造（芜湖）有限公司 | Sand mixer |
| CN106311973A (en) * | 2016-08-31 | 2017-01-11 | 广德江峰铸造有限公司 | Sand mulling assembly line |
| CN106466705A (en) * | 2016-08-31 | 2017-03-01 | 广德江峰铸造有限公司 | A kind of removable mixing device with hammer |
| CN111283139B (en) * | 2018-12-27 | 2021-01-15 | 李秀英 | Casting raw sand screening method |
| CN111069528B (en) * | 2019-12-17 | 2021-07-13 | 山东临港有色金属有限公司 | Sand return recycling system for cast iron |
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