CN202876893U - Closed-loop balance wheel pulse sand making machine - Google Patents

Closed-loop balance wheel pulse sand making machine Download PDF

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Publication number
CN202876893U
CN202876893U CN 201220530551 CN201220530551U CN202876893U CN 202876893 U CN202876893 U CN 202876893U CN 201220530551 CN201220530551 CN 201220530551 CN 201220530551 U CN201220530551 U CN 201220530551U CN 202876893 U CN202876893 U CN 202876893U
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pulse
sand
air
escapement
finished
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程国铭
程炳南
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程国铭
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Abstract

The utility model provides a closed-loop balance wheel pulse sand making machine. The closed-loop balance wheel pulse sand making machine is characterized in that finished sands are discharged by virtue of through air flow and side air flow of a pulse fan by arranging a built-in sieve barrel and a side collecting bin, so as to be prevented from being excessively grinded, and crushed particles can be controlled. The grinding pressure and the crushing granularity can be adjusted by adjusting a pressure supporting frame, a grinding roller spring and a grinding roller limiting device. A material guide device and a bottom sieve are arranged, thus achieving the dry sand making based on crushed rocks and the water flushing wet type sand making based on mudstone from a sand river. An actual running effect of a model machine is that the fed materials are crushed into 10 to 30mm, finished sands can be prepared, including ultrafine sand, fine sand, medium sand and coarse sand; and the finished particles range from 0.1 to 6mm.

Description

Loop circuit escapement pulse system sand machine
Technical field
The utility model relates to the size reduction machinery field, relates in particular to a kind of loop circuit escapement pulse system sand machine.
Background technology
In crushing mechanism, commonly used have raymond mill, hammer and a standing crusher etc.Raymond mill is widely used in the abrasive dust Mohs' hardness and is not more than 7 grades, humidity is processed in powder process such as the various non-inflammable and explosive mineral products below 6%, chemical industry, building materials, mainly utilize the selection by winnowing discharging, the product granularity of production is between 30 order to 325 orders, and feed size is controlled at and is not more than 20MM.The product particle that hammer and standing crusher are produced is large, and broken power capacity mostly consumes the friction between tup and material, and the tup serious wear, and material exists excessively to be pulverized.
In meal goods (ultra-fine sand) processing, the disintegrating machine that market is common and flour mill are all improper, need to select sand machine processed to carry out production, and sand machine processed is the production and processing building sand, therefore use sand machine processed to produce ultra-fine sand or meal, although can satisfy on the raw meal particle size, production efficiency is low, cost is high.
Referenced patent ZL200720093042 high-efficiency fine crusher, the mode of its finished product discharging is: finished particle is under Action of Gravity Field, by being installed in screen cloth and the blanking hole discharging of grinding ring below.The problems such as this finished particle discharge mode is limited by gravity efficient and screen cloth percent of pass, causes finished product discharging efficient low, and finished particle can overstock in grinding the storehouse and produce overmastication, and produces the particle overmastication, and the particle particle is uncontrollable, and the large efficient of power consumption is low.
The existing machine-made sand production line in market is the external loop crushing system that is formed by device combinations such as feeding machine, jaw crusher, sand machine processed, vibratory sieve, sand washer and adhesive-tape machines.Building stones are tentatively broken by jaw crusher, satisfy the stone system sand Machine-made Sand of sand machine feed size processed, thin broken is carried out in another part returning charge, the stone part of system sand machine is made sand, after cleaning, sand washer makes finished sand, another part system sand machine is again broken, and finished product and returning charge in the sand process processed are repeatedly sieved by vibratory sieve, are repeatedly carried by a plurality of rubber conveyers.Therefore, the machine-made sand production line of external loop crushing system has floor space large, and system's sand efficient processed is low, building stones turnover and the long shortcoming of production line.
The existing impact crusher in market, impact breaker, through type sand machine processed, hammer mill etc. are with the forge iron crushing mechanism of smashing principle of stone-crash-stone or stone, in order to make material obtain very large motion energy and impact grinding power, need impeller or tup to adopt high-speed motion, the fragmentation work component wear that causes therefrom consumes huge.
Utilize the crushing grinding principle of Raymond mill, size is to process through grinding roller and bull ring less than the particle abrasive material of 20mm, can grind and be milled into 30~325 purpose powder finished products.Whole crushing process is inevitable to be become particle and then is ground to form the powder finished product by the piece material.Loop circuit of the present utility model escapement pulse system sand machine utilizes the pulverization principle of Raymond mill, get the process of pulverizing processing, utilize the overhang roll device that block particle is pulverized, when particle reaches required selected granularity 0.1~6mm finished product, in time be finished product is discharged with the excessive material of crushing process, thereby reach Grains processed., drop guide and bottom screen cloth realize the dry-type sand-making of mountain stone particle by being set, the bath wet type sand processed of Shahe mudstone material.
To compared with the existing machine-made sand production line in market, loop circuit escapement pulse system sand machine and sand method processed can reduce taking of production line site area, and the auxiliary equipment that reduces screening, conveying, washed-out sand drops into; Material need not repeatedly to carry through repeatedly screening, and the outside process operations of sand washer washed-out sand realizes that the disposable discharging of finished sand and product grading are even.
Contrast market existing impact crusher, impact breaker, through type sand machine processed, hammer mill etc. are with the forge iron crushing mechanism of smashing principle of stone-crash-stone or stone, because the difference of smashing principle, particle and broken workpiece that loop circuit escapement pulse system sand machine is pulverized need not high-speed motion, have lowered the attrition of broken workpiece.
From model machine data of the present utility model, loop circuit escapement pulse system sand machine and sand method processed are the existing machine-made sand production line in market and sand method processed, 1/4 of the total power consumption of production line; Grinding tool loss ratio reaction type, stone the little 40 times of formula of forging iron; Grinding tool loss ratio hammer sand shaker little 80 times; Under equal finished sand output, loop circuit escapement pulse system sand machine and sand method processed gross investment only have 50% of existing city field device.
The utility model content
In order to solve the problems of the technologies described above, the utility model provides high, the efficient sand discharge of a kind of crush efficiency, the controlled loop circuit escapement pulse system sand machine of granularity.A kind of loop circuit escapement pulse system sand machine, comprise cover, host machine casing, pass wind feeder, feeder motor, valve, water pump, described water pump is connected with cover by valve, the water pipe of water pump gos deep in the cover, described cover is installed in the host machine casing top, described pass wind feeder and feeder motor are installed in the cover top, closing the wind feeder links to each other by chain with the feeder motor, also comprise air blast, pulse blower motor, described host machine casing inwall is equipped with screen barrel, and the space of host machine casing bottom and screen barrel is side finished product collecting bin; Described host machine casing is provided with discharge bucket, straight-through guide duct and side guide duct, the air outlet of air blast is provided with the pulse blower fan, the pulse blower fan links to each other with host machine casing with the side guide duct by straight-through guide duct, and described pulse blower motor is arranged on the pulse blower fan.
As further improvement of the utility model, the pulse blower motor links to each other by chain with the pulse blower fan, the pulse blower fan is provided with air inlet, straight-through air guide hole and two side air guide holes, air inlet is connected with the air outlet of air blast, straight-through air guide hole is connected with straight-through guide duct, two side air guide holes are connected with two side guide ducts, and straight-through guide duct passes screen barrel and is connected to main frame inside, and the side guide duct is connected to side finished product collecting bin.
As further improvement of the utility model, the air-flow that the flow switch that described pulse blower fan arranges by inside is inputted air blast switches to straight-through air guide hole air-flow and side air guide hole air-flow.Straight-through air guide hole and the side air guide hole of described pulse blower fan are provided with damper blade, and the on off state of straight-through air guide hole and side air guide hole is the out-phase state.
As further improvement of the utility model, described host machine casing one end is provided with spindle drum, spindle drum is provided with main shaft, one end of main shaft is provided with belt pulley, the other end of main shaft is provided with the overhang roll bracing frame, the overhang roll bracing frame is provided with overhang roll device and grinding roller limiting device, the lower end of overhang roll device is grinding roller, grinding roller limiting device is arranged on the top of grinding roller, the host machine casing corresponding with the grinding roller position is provided with grinding ring, grinding ring is fixed on the grinding ring seat, form one and grind the storehouse between grinding ring seat and spindle drum, the main shaft between grinding ring seat and spindle drum is provided with relieving tool post, and relieving tool post is provided with the shovel scraper, be provided with the bottom screen cloth below grinding ring, described overhang roll bracing frame top is equipped with grinding roller spring and pressure support frame.
As further improvement of the utility model, the quantity of overhang roll device is 3 ~ 8, and the quantity of shovel scraper is 3 ~ 8, and the quantity of overhang roll device is identical with the quantity of shovel scraper.
As further improvement of the utility model, also comprise grinding ring seat, host installation plate, base, cyclone separator, described bottom screen cloth, grinding ring seat and casing are installed on the host installation plate by bolt, host installation plate is installed on the base, spindle drive motor is housed on the base, the motor wheel of spindle drive motor links to each other with belt pulley by belt, and described cyclone separator links to each other with discharge bucket with feeding end, and discharge end links to each other with pass wind discharger.
As further improvement of the utility model, described screen barrel is the taper screen barrel, and the taper screen barrel becomes 10 ° ~ 15 ° angles with the host machine casing inwall.
As further improvement of the utility model, the blade of described pass wind feeder is the rubber and plastic rotating vane.
As further improvement of the utility model, also comprise drop guide, described drop guide is installed in the screen barrel top, and drop guide links to each other with the overhang roll bracing frame and together rotation.
Loop circuit escapement pulse system sand method may further comprise the steps:
A) the screening bulk materials is transported to pass wind feeder 5 charging apertures by the particle conveyer with material to required granularity;
B) continuously particle is sent into drop guide through the rotary blade equal and quantitative, particle is pulverized by roll-in at the milling zone that falls between grinding roller and the grinding ring through drop guide under the effect of gravity and centrifugal force;
C) particle is after the roll-in pulverizing meets the requirements of granularity, part finished product sand grains falls into bottom finished product collecting bin through milling zone bottom shovel scraper by the bottom screen cloth under action of gravitation, most of finished product sand grains blows into side finished product collecting bin by the straight-through air guide hole air-flow of pulse blower fan through the screen barrel screening;
D) the finished product sand grains of side finished product collecting bin is expelled to cyclone separator along casing inner wall through the discharging quarrel by the side air guide hole air-flow of pulse blower fan, and the finished sand of discharging is evenly sent to the finished product collecting bin through the laggard wind discharger of entering the GATT of cyclone separator dedusting;
E) particle is pulverized the sand grains that does not meet the requirements of granularity in roll-in, and the milling zone that again is fed between grinding roller and the grinding ring by the shovel scraper grinds, until reach finished particle; Outside current enter internal body by valve and water pump through cover when closing the charging of wind feeder, and current rush at the drop guide of rotation.
The beneficial effects of the utility model are: owing to adopting technique scheme, particle need not to reenter in sand machine processed through external circulating system and pulverizes, and realizes the sand mode processed of loop circuit pulverizing in main frame.By side finished product collecting bin is set, utilize the sand discharge mode of straight-through air-flow and the side air-flow of pulse blower fan, can realize efficient finished product sand discharge, control finished product granular size, reduce excessively to pulverize and grind, thereby raising efficiency reduces power consumption, the finished product sand grain that actual motion is produced is more even; Contrast other sand equipment processed, this equipment has volume little, and the production run cost is low, is convenient to maintenance maintenance.
By screen barrel is installed, the side collecting bin is set, two kinds of air-flows of the straight-through and side by the pulse blower fan are discharged finished sand, thereby are avoided overmastication, the control pulverized particles.
By regulating the pressure support frame, grinding roller spring and grinding roller limiting device are regulated grinding pressure and pulverized particles degree., drop guide, bottom screen cloth, valve and water pump realize the dry-type sand-making of mountain stone particle by being set, the bath wet type sand processed of Shahe mudstone material.
Actual model machine operational effect: pan feeding chaff size: 10~30mm; Can generate finished sand: ultra-fine sand, fine sand, medium sand, coarse sand, finished particle scope 0.1~6mm.
Description of drawings
Fig. 1 is the utility model loop circuit escapement pulse system sand machine structural representation;
Fig. 2 is the utility model loop circuit escapement pulse system sand machine cutaway view;
Fig. 3 is the utility model loop circuit escapement pulse system sand machine top view; Among the figure, the left side arrow represents that airflow line connects cyclone separator 4, and right side arrow represents that airflow line connects air blast 11;
Fig. 4 is the utility model loop circuit escapement pulse system sand machine particle circuit grinding figure;
Fig. 5 is the utility model air pulse system flow chart.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further.
Loop circuit escapement pulse system sand machine as shown in the figure comprises cover 1, host machine casing 2, discharge bucket 3, cyclone separator 4, close wind feeder 5, feeder motor 6, pulse blower motor 7, pulse blower fan 8, side guide duct 9, spindle drive motor 10, air blast 11, base 12, belt pulley 13, belt 14, straight-through guide duct 15, drop guide 16, pressure support frame 17, grinding roller spring 18, overhang roll bracing frame 19, overhang roll device 20, grinding roller limiting device 21, grinding roller 22, grinding ring 23, grinding ring seat 24, main shaft 25, spindle drum 26, bottom screen cloth 27, host installation plate 28, shovel scraper 29, relieving tool post 30, screen barrel 31, grind storehouse 32, side finished product collecting bin 33, close wind discharger 34, discharger motor 35, valve 36 and water pump 37.
Described pass wind feeder 5 is installed in cover 1 top with feeder motor 6, closes wind feeder 5 and feeder motor 6 and links to each other by chain, and the blade of described pass wind feeder 5 is the rubber and plastic rotating vane, selects the rubber and plastic rotating vane can guarantee the requirement of main frame internal gas pressure.Simultaneously because particle still is different lump material not of uniform size after screening, closing wind feeder 5 when selecting metal blade can because of wedge-like particle generation stuck phenomenon, select the rubber and plastic rotating vane then can prevent blade stuck phenomenon when feeding in feeding process.
Described host machine casing 2 inwalls are equipped with screen barrel 31, screen barrel 31 becomes 10 ° ~ 15 ° angles with host machine casing 2 inwalls, the space of host machine casing 2 bottoms and screen barrel 31 becomes side finished product collecting bin 33, and 31 bull screens of screen barrel are elected to be usefulness, and side finished product collecting bin 33 is the major item collecting bin; Described built-in screen barrel can arrange different shapes as the case may be, the taper screen barrel 31 that present embodiment adopts becomes the mode of 10 ° ~ 15 ° of angles with host machine casing 2 inwalls, contrast straight barrel type screen barrel advantage is: the end opening that a taper screen barrel is larger and drop guide form larger pan feeding width, can allow the particle of larger particle degree to enter; The pan feeding inclined-plane that b taper screen cloth cylinder forms is conducive to particle and utilizes gravity to tumble into the district that mills; C taper screen barrel inclined screen net area is larger, is conducive to increase sand discharge efficient;
The mesh diameter magnitude range of described taper screen barrel 31: 0.1~6mm; More excellent screen cloth mesh scheme is that mesh tangent plane thickness is the trapezoidal faces of 5mm, and small bore end is feed end towards main frame inside, and large nose end is discharge end towards host machine casing.The screen barrel of trapezoidal faces mesh tangent plane is more conducive to utilize straight-through air-flow and side air-flow sand discharge and washes net.
Described drop guide 16 is installed in screen barrel 31 tops, drop guide 16 links to each other with overhang roll bracing frame 19 and together rotation, drop guide 16 is dredged the particle that enters from closing wind feeder 5, prevents that particle from entering into the phenomenon of overhang roll device 20 and overhang roll support 19 generation card machines.When the bath wet type sand processed of Shahe mudstone material, outside current enter internal body by valve 36 and water pump 37 through cover 1, current rush at the drop guide 16 of rotation, 16 pairs of particles of the drop guide of rotation produce centrifugal action, prevent that mud, the dope in the many Shahe mudstone material of clay content from blocking charging.Can effectively reduce simultaneously the height of body.
Described host machine casing 2 one ends are equipped with spindle drum 26, main shaft 25 is contained on the spindle drum 26, one end of main shaft 25 is equipped with belt pulley 13, the other end of main shaft 25 is equipped with overhang roll bracing frame 19, overhang roll device 20 and grinding roller limiting device 21 are housed on the overhang roll bracing frame 19, the lower end of overhang roll device 20 is grinding rollers 22, grinding roller limiting device 21 is installed in the top of grinding roller 22, on the host machine casing 2 corresponding with grinding roller 22 positions grinding ring 23 is housed, grinding ring 23 is fixed on the grinding ring seat 24, form one and grind storehouse 32 between grinding ring seat 24 and spindle drum 26, the main shaft 25 between grinding ring seat 24 and spindle drum 26 is equipped with relieving tool post 30, and shovel scraper 29 is housed on the relieving tool post 30.Bottom screen cloth 27 is housed below grinding ring 23, and screen cloth 27 Main Functions in bottom are filtration fraction finished sands, and draining and spoil disposal when being used for the bath wet type sand processed of Shahe mudstone material;
Described overhang roll bracing frame 19 tops are equipped with grinding roller spring 18 and pressure support frame 17, and grinding roller spring 18 and pressure support frame 17 are used for strengthening the grinding pressure of overhang roll device 20;
Described cover 1 is installed in host machine casing 2 tops, and discharge bucket 3, straight-through guide duct 15 and side guide duct 9 are installed on the described host machine casing 2.
Pulse blower fan 8 is installed on the air outlet of described air blast 11, pulse blower fan 8 links to each other with host machine casing 2 with side guide duct 9 by straight-through guide duct 15, discharge bucket 3 on the host machine casing 2 is installed with pulse blower fan 8 opposition, described pulse blower motor 7 is installed on the pulse blower fan 8, pulse blower motor 7 and pulse blower fan 8 link to each other by chain, pulse blower fan 8 is provided with air inlet, straight-through air guide hole and two side air guide holes, air inlet is connected with the air outlet of air blast 11, straight-through air guide hole is connected with straight-through guide duct 15, two side air guide holes are connected with two side guide ducts 9, straight-through guide duct 15 passes screen barrel 31 and is connected to main frame inside, and side guide duct 9 is connected to side finished product collecting bin 33; The air-flow that the flow switch that described pulse blower fan 8 arranges by inside is inputted air blast 11 switches to straight-through air guide hole air-flow and side air guide hole air-flow, and straight-through air guide hole air-flow and side air guide hole air-flow are the out-phase state.(namely straight-through air guide hole is opened air guide hole pass, side, and straight-through air guide hole closes the side air guide hole to be opened).
Described bottom screen cloth 27, grinding ring seat 24 and casing 2 are installed on the host installation plate 28 by bolt, host installation plate 28 is installed on the base 12, spindle drive motor 10 is housed on the base 12, the motor wheel of spindle drive motor 10 links to each other with belt pulley 13 by belt 14, described cyclone separator 4 feeding ends link to each other with discharge bucket 3, and discharge end links to each other with pass wind discharger 34.
The quantity of overhang roll device is 3 ~ 8, and the quantity of shovel scraper is 3 ~ 8, and the quantity of overhang roll device is identical with the quantity of shovel scraper.
The course of work of this example:
Bulk materials is through after screening required granularity, by the particle conveyer material is transported to pass wind feeder 5 charging apertures, close wind feeder 5 and continuously particle is sent into drop guide 16 through the rotary blade equal and quantitative, particle is pulverized by roll-in by the milling zone that falls between grinding roller 22 and the grinding ring 23 through drop guide 16 under the effect of gravity and centrifugal force, particle is after the roll-in pulverizing meets the requirements of granularity, most of finished product sand grains is by the straight-through air guide hole air-flow of pulse blower fan, blow into side finished product collecting bin through the choosing of taper screen cloth shaft screen, the finished product sand grains of side finished product collecting bin is by the side air guide hole air-flow of pulse blower fan, be expelled to cyclone separator along casing inner wall through the discharging quarrel, the finished sand of discharging closes the uniform feeding of wind discharger to the finished product collecting bin through the laggard wind discharger of entering the GATT of cyclone separator dedusting.Particle is pulverized the sand grains that does not meet the requirements of granularity in roll-in, the milling zone that again is fed between grinding roller and the grinding ring by the shovel scraper grinds, until reach finished particle.The part finished product sand grains meticulous dust of having milled falls into bottom finished product collecting bin by bottom screen cloth 27 under the effect of shovel scraper 29.
When being used for the bath wet type sand processed of Shahe mudstone material, Shahe mudstone material is through after screening required granularity, by the particle conveyer material is transported to pass wind feeder 5 charging apertures, outside current enter internal body by valve 36 and water pump 37 through cover 1 when closing 5 charging of wind feeder, current rush at the drop guide 16 of rotation, 16 pairs of particles of the drop guide of rotation produce centrifugal action, prevent the mud in the many Shahe mudstone material of clay content, dope blocks charging, Shahe mudstone material crushing process and finished product sand discharge process are identical with said process, and the mud of crushing process and current are discharged through bottom screen cloth 27.
Because the timely and effectively discharge of finished sand so there is not the phenomenon that repeats to grind in particle, improves grinding efficiency.May be controlled to the granularity of product sand by the aperture of control screen cloth.Because grinding roller does not directly contact with grinding ring, so reduce grinding roller and grinding ring direct friction, reduce the wearing and tearing of grinding roller and grinding ring.Because the straight-through air guide hole air-flow of pulse blower fan and side air guide hole air-flow are forward and reverse air-flow at taper screen cloth shaft screen mesh place, so can reduce the situation of sand grains plug mesh, reach the effect that air-flow is washed screen cloth.Because drop guide and bottom screen cloth being set, so when bath wet type sand processed of Shahe mudstone material, avoided the obstruction of mud, dope, reduced the washed-out sand process of the finished sand of Shahe mudstone production, reduced production cost.
Above content is in conjunction with concrete preferred embodiment further detailed description of the utility model, can not assert that implementation of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.

Claims (9)

1. loop circuit escapement pulse system sand machine, comprise cover (1), host machine casing (2), close wind feeder (5), feeder motor (6), described cover (1) is installed in host machine casing (2) top, described pass wind feeder (5) is installed in cover (1) top with feeder motor (6), closing wind feeder (5) links to each other by chain with feeder motor (6), it is characterized in that: also comprise air blast (11), pulse blower motor (7), valve (36), water pump (37)
Described water pump (37) is connected with cover (1) by valve (36), and the water pipe of water pump (37) gos deep in the cover (1);
Described host machine casing (2) inwall is equipped with screen barrel (31), and the space of host machine casing (2) bottom and screen barrel (31) is side finished product collecting bin (33);
Described host machine casing (2) is provided with discharge bucket (3), straight-through guide duct (15) and side guide duct (9), the air outlet of air blast (11) is provided with pulse blower fan (8), pulse blower fan (8) links to each other with host machine casing (2) with side guide duct (9) by straight-through guide duct (15), and described pulse blower motor (7) is arranged on the pulse blower fan (8).
2. loop circuit according to claim 1 escapement pulse system sand machine, it is characterized in that: pulse blower motor (7) links to each other by chain with pulse blower fan (8), pulse blower fan (8) is provided with air inlet, straight-through air guide hole and two side air guide holes, air inlet is connected with the air outlet of air blast (11), straight-through air guide hole is connected with straight-through guide duct (15), two side air guide holes are connected with two side guide ducts (9), straight-through guide duct (15) passes screen barrel (31) and is connected to main frame inside, and side guide duct (9) is connected to side finished product collecting bin (33).
3. loop circuit according to claim 1 escapement pulse system sand machine is characterized in that: described pulse blower fan (8) switches to straight-through air guide hole air-flow and side air guide hole air-flow by the inner flow switch that arranges with the air-flow of air blast (11) input.
4. loop circuit according to claim 1 escapement pulse system sand machine, it is characterized in that: described host machine casing (2) one ends are provided with spindle drum (26), spindle drum (26) is provided with main shaft (25), one end of main shaft (25) is provided with belt pulley (13), the other end of main shaft (25) is provided with overhang roll bracing frame (19), overhang roll bracing frame (19) is provided with overhang roll device (20) and grinding roller limiting device (21), the lower end of overhang roll device (20) is grinding roller (22), grinding roller limiting device (21) is arranged on the top of grinding roller (22), the host machine casing (2) corresponding with grinding roller (22) position is provided with grinding ring (23), grinding ring (23) is fixed on the grinding ring seat (24), between grinding ring seat (24) and spindle drum (26), form one and grind storehouse (32), main shaft (25) between grinding ring seat (24) and spindle drum (26) is provided with relieving tool post (30), relieving tool post (30) is provided with shovel scraper (29), be provided with bottom screen cloth (27) in grinding ring (23) below, described overhang roll bracing frame (19) top is equipped with grinding roller spring (18) and pressure support frame (17).
5. loop circuit according to claim 4 escapement pulse system sand machine, it is characterized in that: the quantity of overhang roll device is 3 ~ 8, and the quantity of shovel scraper is 3 ~ 8, and the quantity of overhang roll device is identical with the quantity of shoveling scraper.
6. loop circuit according to claim 4 escapement pulse system sand machine, it is characterized in that: also comprise grinding ring seat (24), host installation plate (28), base (12), cyclone separator (4), described bottom screen cloth (27), grinding ring seat (24) and casing (2) are installed on the host installation plate (28) by bolt, host installation plate (28) is installed on the base (12), spindle drive motor (10) is housed on the base (12), the motor wheel of spindle drive motor (10) links to each other with belt pulley (13) by belt (14), described cyclone separator (4) feeding end links to each other with discharge bucket (3), and discharge end links to each other with pass wind discharger (34).
7. loop circuit according to claim 1 escapement pulse system sand machine, it is characterized in that: described screen barrel (31) is the taper screen barrel, and the taper screen barrel becomes 10 ° ~ 15 ° angles with host machine casing (2) inwall.
8. loop circuit according to claim 1 escapement pulse system sand machine, it is characterized in that: the blade of described pass wind feeder (5) is the rubber and plastic rotating vane.
9. loop circuit according to claim 1 escapement pulse system sand machine, it is characterized in that: also comprise drop guide (16), described drop guide (16) is installed in screen barrel (31) top, and drop guide (16) links to each other with overhang roll bracing frame (19) and together rotation.
CN 201220530551 2012-10-17 2012-10-17 Closed-loop balance wheel pulse sand making machine Withdrawn - After Issue CN202876893U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102872944A (en) * 2012-10-17 2013-01-16 程国铭 Closed loop balance wheel pulse sand making machine and sand making method
CN104525346A (en) * 2014-12-30 2015-04-22 中材(天津)粉体技术装备有限公司 Large vertical mill air inlet duct supporting device
CN107321473A (en) * 2017-08-03 2017-11-07 福建师范大学 The technique and complete set of equipments of a kind of calcium oxide ultra-fine grinding of environment-friendly type
CN111605045A (en) * 2020-06-15 2020-09-01 张明华 Multi-functional stone material processing equipment for building

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102872944A (en) * 2012-10-17 2013-01-16 程国铭 Closed loop balance wheel pulse sand making machine and sand making method
CN102872944B (en) * 2012-10-17 2014-08-06 程国铭 Closed loop balance wheel pulse sand making machine and sand making method
CN104525346A (en) * 2014-12-30 2015-04-22 中材(天津)粉体技术装备有限公司 Large vertical mill air inlet duct supporting device
CN107321473A (en) * 2017-08-03 2017-11-07 福建师范大学 The technique and complete set of equipments of a kind of calcium oxide ultra-fine grinding of environment-friendly type
CN107321473B (en) * 2017-08-03 2019-01-29 福建师范大学 A kind of technique and complete set of equipments of the calcium oxide ultra-fine grinding of environment-friendly type
CN111605045A (en) * 2020-06-15 2020-09-01 张明华 Multi-functional stone material processing equipment for building

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