CN108746486B - Inorganic binder waste sand crushing, filtering and regenerating device - Google Patents
Inorganic binder waste sand crushing, filtering and regenerating device Download PDFInfo
- Publication number
- CN108746486B CN108746486B CN201810726501.6A CN201810726501A CN108746486B CN 108746486 B CN108746486 B CN 108746486B CN 201810726501 A CN201810726501 A CN 201810726501A CN 108746486 B CN108746486 B CN 108746486B
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- 239000004576 sand Substances 0.000 title claims abstract description 184
- 239000002699 waste material Substances 0.000 title claims abstract description 34
- 239000011230 binding agent Substances 0.000 title claims abstract description 23
- 238000001914 filtration Methods 0.000 title claims abstract description 22
- 230000001172 regenerating effect Effects 0.000 title claims abstract description 22
- 238000003756 stirring Methods 0.000 claims abstract description 134
- 238000012216 screening Methods 0.000 claims abstract description 113
- 239000000463 material Substances 0.000 claims abstract description 62
- 230000005540 biological transmission Effects 0.000 claims description 86
- 238000007873 sieving Methods 0.000 claims description 29
- 238000005452 bending Methods 0.000 claims description 7
- 238000010298 pulverizing process Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 9
- 230000008929 regeneration Effects 0.000 abstract description 2
- 238000011069 regeneration method Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000005266 casting Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007528 sand casting Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- B22C5/0409—Blending, mixing, kneading or stirring; Methods therefor
- B22C5/044—Devices having a vertical stirrer shaft in a fixed receptacle
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combined Means For Separation Of Solids (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention relates to the technical field of waste sand regeneration, and particularly discloses an inorganic binder waste sand crushing, filtering and regenerating device which comprises a screening and stirring mechanism, a sand material collecting mechanism and a bottom plate, wherein the screening and stirring mechanism and the sand material collecting mechanism are positioned above the bottom plate, and the inorganic binder waste sand crushing, filtering and regenerating device comprises: the screening and stirring mechanism comprises a sand charging barrel, a screening and stirring device, a screening and driving device and a stirring and driving device; the sand material collecting mechanism comprises a first box body, the first box body is positioned at the lower part of the sand material barrel and is fixedly arranged on the bottom plate, and the upper part of the first box body is communicated with the lower part of the sand material barrel. The device for crushing, filtering and regenerating the inorganic binder waste sand is simple in structure, easy to realize, better in sand material treatment effect than the existing product, capable of saving sand material resources to a great extent and realizing reutilization of the waste sand.
Description
Technical Field
The invention relates to the technical field of waste sand regeneration, in particular to an inorganic binder waste sand crushing, filtering and regenerating device.
Background
China is a large country for producing castings, sand casting accounts for most of foundry industry, but the production of qualified castings is accompanied by the generation of a large amount of waste sand, the utilization rate of the waste sand is only 20-30%, and the unused waste sand pollutes the environment and wastes resources. Most of the existing waste sand treatment devices are complex, the treatment effect is poor, the obtained regenerated sand has high impurity content and can only be used for producing castings with low dimensional accuracy requirements, especially when waste sand with larger granularity is ground and reused, the grinding process is complex, manual operation is adopted, the method is complex, and the use requirement is difficult to reach.
Disclosure of Invention
Aiming at the technical problem of poor waste sand treatment effect in the prior art, the invention provides an inorganic binder waste sand crushing, filtering and regenerating device.
The utility model provides an inorganic binder sand waste smashing, filtering and regenerating device, includes screening rabbling mechanism, sand material collection mechanism and bottom plate, and screening rabbling mechanism, sand material collection mechanism are located the bottom plate top, wherein: the screening and stirring mechanism comprises a sand charging barrel, a screening and stirring device, a screening and driving device and a stirring and driving device; the upper part of the sand charging barrel is opened; the screening and stirring device is positioned in the sand charging barrel, the sand level is positioned above the screening and stirring device, the screening and stirring device is rotationally connected with the stirring transmission device, and the stirring transmission device drives the screening and stirring device to rotate in the sand charging barrel; the stirring transmission device is movably arranged on the screening transmission device, and the screening transmission device drives the stirring transmission device and the screening stirring device to synchronously reciprocate; the sand material collecting mechanism comprises a first box body, the first box body is positioned at the lower part of the sand material barrel and is fixedly arranged on the bottom plate, and the upper part of the first box body is communicated with the lower part of the sand material barrel.
Further, sand material collection mechanism still includes collection transmission, circular box body and second box, wherein: the second box body is positioned at the lower part of the side surface of the sand charging barrel and is fixedly arranged on the bottom plate; the round box body comprises a box body bottom surface and a box body side surface; an opening with the same cross-sectional shape as the sand material cylinder is arranged in the middle of the bottom surface of the box body, the bottom surface of the box body is obliquely sleeved on the sand material cylinder, and the lower part of the box body is positioned right above the second box body; a discharging hole is formed in the side face of the box body, which is positioned right above the second box body; the screening transmission device is arranged on the collecting transmission device, and the collecting transmission device drives the screening transmission device, the stirring transmission device and the screening stirring device to move upwards so as to discharge sand materials out of the sand material cylinder.
Further, collect transmission and include step motor, stand, first montant, second montant, horizontal pole, lead screw and nut, wherein: the upright post is fixed on the bottom plate and provided with a blind groove in the vertical direction; one end of the cross rod is fixed with the first vertical rod, and the other end of the cross rod is fixed with the second vertical rod; the other end of the first vertical rod is inserted into the blind groove and slides up and down along the blind groove; the other end of the second vertical rod is fixed with a nut; the nut is sleeved on the screw rod; the lead screw 226 is rotationally connected with the stepping motor; the stepping motor is fixed on the bottom plate; the stepping motor drives the second vertical rod, the cross rod and the first vertical rod to move up and down integrally, so as to drive the screening transmission device, the stirring transmission device and the screening stirring device to move up and down.
Further, the screening transmission comprises a servo motor and a horizontally mounted several bars, wherein: the servo motor is fixedly arranged on the first vertical rod; one end of the several-shaped rod is rotationally connected with the output end of the servo motor, and the other end of the several-shaped rod is sleeved on the second vertical rod; the stirring transmission device is movably arranged between two bending parts of the several-shaped rod; the rotation of the several-shaped rod drives the stirring transmission device to reciprocate.
Further, the stirring transmission comprises a coaxial motor and a sleeve, wherein: the sleeve is fixedly arranged outside the coaxial motor, sleeved between two bending parts of the several types of rods and can rotate relative to the several types of rods; the output end of the coaxial motor is rotationally connected with the screening stirring device.
Further, screening agitating unit includes pivot, screening frame and a plurality of puddler, wherein: one end of the rotating shaft is rotationally connected to the stirring transmission device, and the other end of the rotating shaft is fixedly arranged with the screening frame; the screening frame comprises a round block, at least two supporting rods and a screen, wherein the supporting rods are fixed on the side edge of the round block at equal intervals, the screen is fixed between the supporting rods, and the edge of the screening frame is closely adjacent to the inner wall of the sand charging barrel; the stirring rods are respectively fixed on the supporting rods.
Further, the sand feed cylinder both sides middle part position is equipped with two at least positioner that are located same horizontal plane, wherein: the positioning device comprises a inserted link, a stop block, a push rod, a sleeve, a connecting rod and a bolt; the side wall of the sand charging barrel is provided with a through hole matched with the size of the inserted link, one end of the inserted link penetrates through the through hole, the other end of the inserted link is fixed with one side of a stop block positioned outside the sand charging barrel, a push rod is fixed on the other side of the stop block, a sleeve is sleeved on the push rod and is in sliding connection with the push rod, the sleeve is fixed with the sand charging barrel through a connecting rod, and a bolt penetrates through the sleeve to fasten the push rod; the inserted link protrudes out of the inner wall of the sand charging barrel to limit the downward movement of the screening and stirring device.
Further, the collecting transmission device further comprises a cushion block and a shell, wherein: the stepping motor is fixedly arranged above the shell, and the cushion block is fixedly arranged between the lower part of the shell and the bottom plate; the screw rod penetrates through the shell; the nut is located within the housing and the sides of the nut move up and down against the inner wall of the housing.
Further, screening transmission still includes the stop device who is located several type poles one end, and stop device is including fixing the diaphragm on the second montant to and fix the gag lever post on several type poles, wherein: the lower surface of the transverse plate is provided with an arc-shaped groove matched with the size of the limiting rod, and the servo motor drives the limiting rod to synchronously rotate with the several types of rods.
Further, the annular equidistant downward inclination of branch is fixed in the side of circular piece, and the puddler level equidistance is fixed on branch.
The inorganic binder waste sand crushing, filtering and regenerating device provided by the embodiment of the invention realizes screening and stirring of sand materials through the screening and stirring mechanism consisting of the sand material barrel, the screening and stirring device and the stirring and stirring device, the treated sand materials are collected through the sand material collecting mechanism, and dust attached to sand particles and the inorganic binder are completely stripped by the treated sand materials. The whole device has simple structure and easy realization, has better effect on sand material treatment than the prior product, saves sand material resources to a great extent, and realizes the reutilization of waste sand.
Drawings
For a clearer description of embodiments of the invention or of solutions in the prior art, the drawings which are used in the description of the embodiments or of the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from them without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a device for crushing, filtering and regenerating waste sand of an inorganic binder according to an embodiment of the invention;
FIG. 2 is a top view of a screen frame of an inorganic binder waste sand crushing, filtering and regenerating device according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
Wherein: 1-screening stirring mechanism, 11-sand feed cylinder, 111-positioning device, 1111-inserted bar, 1112-stopper, 1113-push bar, 1114-sleeve, 1115-connecting bar, 1116-bolt, 112-through hole, 12-screening stirring device, 121-rotating shaft, 122-screening frame, 1221-round block, 1222-support bar, 1223-screen, 123-stirring bar, 13-screening transmission device, 131-servo motor, 132-several type bar, 133-limiting device, 1331-cross plate, 1332-limiting bar, 14-stirring transmission device, 141-coaxial motor, 142-sleeve, 2-sand collection mechanism, 21-first box, 22-collection transmission device, 221-stepping motor, 222-column, 223-first vertical bar, 224-second vertical bar, 225-horizontal bar, 226-lead screw, 227-nut, 228-cushion block, 229-shell, 23-round box, 231-discharge port, 24-second box, 3-bottom plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
The embodiment of the invention relates to an inorganic binder waste sand crushing, filtering and regenerating device, which is shown in fig. 1 and comprises a screening and stirring mechanism 1, a sand material collecting mechanism 2 and a bottom plate 3, wherein the screening and stirring mechanism 1 and the sand material collecting mechanism 2 are positioned above the bottom plate 3, and the screening and stirring mechanism 1 comprises a sand material cylinder 11, a screening and stirring device 12, a screening and driving device 13 and a stirring and driving device 14; the upper part of the sand material cylinder 11 is opened, and sand materials enter the sand material cylinder 11 from the upper part; the screening and stirring device 12 is positioned in the sand cylinder 11, the sand level is positioned above the screening and stirring device 12, the screening and stirring device 12 is rotationally connected with the stirring transmission device 14, and the stirring transmission device 14 drives the screening and stirring device 12 to rotate in the sand cylinder 11 so as to break up the agglomerated sand; the stirring transmission device 14 is movably arranged on the screening transmission device 13, the screening transmission device 13 drives the stirring transmission device 14 and the screening stirring device 12 to reciprocate synchronously, and when the screening transmission device 13 works, the stirring transmission device 14 can be closed, so that only the connection function between the screening stirring device 12 and the screening transmission device 13 is achieved, and the screening and stirring processes of sand materials are separated. The sand material collecting mechanism 2 comprises a first box body 21, the first box body 21 is positioned at the lower part of the sand material barrel 11 and fixedly installed on the bottom plate 3, the upper part of the first box body 21 is communicated with the lower part of the sand material barrel 11, and crushed sand materials fall down from the screening stirring device 12 and enter the first box body 21. In the inorganic binder waste sand crushing, filtering and regenerating device provided by the embodiment of the invention, the specific transmission modes of the screening transmission device 13 and the stirring transmission device 14 are not limited, and the device is preferably realized by motor driving. In this embodiment, the shapes, sizes, materials, etc. of the sand cylinder 11 and the first case 21 are not limited, and the sand cylinder 11 is preferably circular in cross section and funnel-shaped in the lower part, depending on the use environment. In this embodiment, the sieving and stirring device 12 is driven by the sieving and driving device 13 and the stirring and driving device 14 to realize sieving and stirring of the sand materials, and compared with the prior art, the sieving and stirring device does not need to be provided with a structure special for stirring and a structure special for sieving separately, so that the structure of the whole device is more compact, and the sand material treatment efficiency is higher than that of the existing product.
Specifically, the sand material collecting mechanism 2 of the embodiment of the invention further comprises a collecting transmission device 22, a round box 23 and a second box 24, wherein the second box 24 is positioned at the lower part of the side surface of the sand material barrel 11 and is fixedly arranged on the bottom plate 3; the circular box 23 comprises a box bottom surface and a box side surface; an opening with the same cross section shape as the sand charging barrel 11 is formed in the middle of the bottom surface of the box body, the bottom surface of the box body is obliquely sleeved on the sand charging barrel 11, and the lower part of the box body is positioned right above the second box body 24; the discharge hole 231 is formed in the position, right above the second box 24, of the side face of the box body, the circular box body 23 is obliquely arranged on the sand material cylinder 11, and when sand materials in the sand material cylinder 11 are discharged from the upper part, all the sand materials are collected by the circular box body and all flow into the second box 24 through the discharge hole 231. The screening transmission device 13 is arranged on the collecting transmission device 22, and the collecting transmission device 22 drives the screening transmission device 13, the stirring transmission device 14 and the screening stirring device 12 to move upwards so as to discharge sand out of the sand cylinder 11. Preferably, the cross section of the sand charging barrel 11 in this embodiment is circular, the bottom surface of the circular box 23 is provided with concentric circular holes, and the sand charging barrel can completely fall into the circular box 23 when discharged, so as to avoid scattering. Preferably, the width of the outlet 231 is smaller than the diameter of the second container 24. The size and the material of the second box 24 are not particularly limited in this embodiment, as long as the function of collecting sand can be realized.
Specifically, as shown in fig. 1, the collecting and driving device 22 in the embodiment of the present invention includes a stepping motor 221, a column 222, a first vertical rod 223, a second vertical rod 224, a cross rod 225, a screw rod 226, and a nut 227, wherein the column 222 is fixed on the bottom plate 3 and is provided with a blind slot in a vertical direction; one end of the cross bar 225 is fixed with the first vertical bar 223, and the other end is fixed with the second vertical bar 224; the other end of the first vertical rod 223 is inserted into the blind groove and slides up and down along the blind groove; the other end of the second vertical rod 224 is fixed with a nut 227; the nut 227 is sleeved on the screw rod 226; the screw rod 226 is rotatably connected with the stepping motor 221; the stepping motor 221 is fixed on the bottom plate 3; the step motor 221 drives the second vertical rod 224, the cross rod 225 and the first vertical rod 223 to move up and down integrally, so as to drive the sieving transmission device 13, the stirring transmission device 14 and the sieving stirring device 12 to move up and down. When the stepping motor 221 rotates, the screw rod 226 is driven to rotate, but as the nut 227 is fixed with the second vertical rod 224 into a whole, the second vertical rod 224, the cross rod 225 and the first vertical rod 223 are all fixed into a whole, and one end of the first vertical rod 223 is inserted into the blind groove, the nut 227 only moves relatively along the screw rod 226, and when the nut 227 moves up and down along the screw rod 226, the second vertical rod 224, the cross rod 225 and the first vertical rod 223 simultaneously move up or down to drive the screening transmission device 13, the stirring transmission device 14 and the screening stirring device 12 to move up and down together. After the screening stirring device 12 moves upwards to a certain position, the screening stirring device is flush with the upper opening of the sand charging barrel 11, and sand materials positioned at the upper part of the screening stirring device 12 are discharged out of the sand charging barrel 11 and enter the second box body 24 through the circular box body 23. The specific types of the screw rod 226 and the nut 227 in this embodiment are not limited, and the length of the screw rod 226 depends on the production requirement, but the length should not be smaller than the distance from the lowest end of the sieving and stirring device 12 to the top end of the sand cylinder 11. Other transmission modes can be adopted to realize the upward or downward movement of the whole collecting transmission device 22, for example, the second cross rod is fixed on a conveyor belt or a crawler belt in the vertical direction, and the motor drives the conveyor belt or the crawler belt to move so as to realize the design purpose of the scheme, or a hydraulic device is adopted to realize the purpose.
Specifically, as shown in fig. 1, the screening transmission device 13 of the present embodiment includes a servo motor 131 and a horizontally installed table-shaped rod 132, wherein the servo motor 131 is fixedly installed on the first vertical rod 223; one end of the several-shaped rod 132 is rotationally connected with the output end of the servo motor 131, and the other end is sleeved on the second vertical rod 224; the stirring transmission device 14 is movably arranged between two bending positions of the several-shaped rod 132; the several-shaped rod 132 rotates to drive the stirring transmission device 14 to reciprocate, and the stirring transmission device 14 is connected with the screening stirring device 12 into a whole, so that the screening transmission device 13 can drive the screening stirring device 12 to reciprocate in the sand charging barrel 11, and the movement mode of the screening stirring device 12 is closer to vibration due to the limitation of the wall of the sand charging barrel 11, so that the screening of sand materials is accelerated. The working parameters, the product model and the like of the servo motor 131 are not limited, and only the several-shaped rod 132 can be driven to rotate; the shape of the several-shaped rod 132 is similar to the shape of a Chinese character "several", and the middle position has two bending positions, so the material, thickness, length and the like of the several-shaped rod 132 are not limited in this embodiment, and the purpose of the design of this embodiment is only required to be achieved.
Specifically, the stirring transmission device 14 includes a coaxial motor 141 and a sleeve 142, wherein the sleeve 142 is fixedly installed outside the sleeve 142 and outside the coaxial motor 141, and the sleeve 142 is sleeved between two bending positions of the several-type rod 132 and can rotate relative to the several-type rod 132; the output end of the coaxial motor 141 is rotatably connected with the sieving stirring device 12. The inner diameter of the sleeve 142 is larger than the outer diameter of the several bars 132, so that the coaxial motor 141 fixedly connected with the sleeve 142 can always vertically downwards due to gravity when the several bars 132 rotate. The output end of the coaxial motor 141 is rotationally connected with the sieving and stirring device 12, and when the coaxial motor 141 rotates, the sieving and stirring device 12 is driven to rotate in the sand charging barrel 11, so that stirring of sand materials is realized. The working parameters and product parameters of the coaxial motor 141 are not limited in this embodiment, and only the design requirements of this embodiment need to be met. In this embodiment, the material and pipe diameter of the sleeve 142 are not particularly limited, and preferably, a bearing is installed between the sleeve 142 and the several-shaped rod 132, so that the sliding resistance of the balls is smaller, and the noise generated during the production of the apparatus can be reduced.
Specifically, as shown in fig. 2, the sieving stirring device 12 includes a rotating shaft 121, a sieving frame 122, and a plurality of stirring rods 123, wherein: one end of the rotating shaft 121 is rotatably connected to the stirring transmission device 14, and the other end of the rotating shaft is fixedly arranged with the screening frame 122; the screening frame 122 comprises a circular block 1221, at least two struts 1222 and a screen 1223, the struts 1222 being fixed at equal distances in a ring shape on the sides of the circular block 1221, the screen 1223 being fixed between the struts 1222, the edges of the screening frame 122 being in close proximity to the inner wall of the sand cylinder 11. Preferably, in this embodiment, the sand cylinder 11 with a circular cross section is selected, the sieving and stirring device 12 includes four struts 1222, which are welded on the circular block 1221 in a manner of a cross shape with a difference of ninety degrees, between the struts 1222 and 1222, a sieve 1223 is fixed, and a sieving frame 122 with the same cross section shape as the sand cylinder 11 and a slightly smaller cross section shape is also formed, and the edge of the sieving frame 122 is closely adjacent to the inner wall of the sand cylinder 11, so that the agglomerated sand is prevented from falling into the first box 21 below the sand cylinder 11 without being stirred by sieving. In this embodiment, a plurality of stirring rods 123 are respectively fixed on the supporting rods 1222, as shown in fig. 1 and 2, three stirring rods are fixed on each supporting rod 1222, and other numbers of supporting rods 1222 and other numbers of stirring rods 123 can be further provided in this embodiment, which all belong to the protection scope of this embodiment. In this embodiment, the materials and dimensions of the circular block 1221, the support rod 1222 and the stirring rod 123 are not particularly limited, and may be selected by one skilled in the art according to experience. Preferably, the supporting rod 1222 in this embodiment is fixed on the side of the circular block 1221 in a downward inclined manner at an annular equidistant manner, the stirring rod 123 is fixed on the supporting rod 1222 at an horizontal equidistant manner, the supporting rod 1222, the circular block 1221 and the screen 1223 form an inverted funnel shape, sand can be more easily screened, and when the collecting transmission device 22 works, the screening stirring device 12 is lifted to the opening of the sand cylinder 11, the sand blocks which cannot be stirred can fall into the circular box 23 completely, so that part of the sand blocks cannot be left in the sand cylinder 11, and the next sand stirring screening effect is affected.
Specifically, as shown in fig. 1 and 3, the middle positions of two sides of the sand cylinder 11 in this embodiment are provided with at least two positioning devices 111 located on the same horizontal plane, where: the positioning device 111 includes a plunger 1111, a stop 1112, a push rod 1113, a sleeve 1114, a connecting rod 1115, and a bolt 1116; the side wall of the sand cylinder 11 is provided with a through hole 112 matched with the insert rod 1111 in size, one end of the insert rod 1111 penetrates through the through hole 112, the other end of the insert rod 1111 is fixed with one side of a stop block 1112 positioned outside the sand cylinder 11, a push rod 1113 is fixed on the other side of the stop block 1112, a sleeve 1114 is sleeved on the push rod 1113 and is in sliding connection with the push rod, the sleeve 1114 is fixed with the sand cylinder 11 through a connecting rod 1115, and a bolt 1116 passes through the sleeve 1114 to fasten the push rod 1113; the plunger 1111 protrudes from the inner wall of the sand cylinder 11 to restrict downward movement of the sieving stirring device 12. The positioning device 111 of the embodiment of the invention can be provided with one positioning device 111, but the effect achieved is far less than that of more than two positioning devices 111, preferably, three positioning devices 111 with included angles of one hundred twenty degrees are provided in sequence, so that the sieving and stirring device 12 can rotate on a horizontal plane. The height of the positioning device 111 set on the sand cylinder 11 is not limited in this embodiment, and may be appropriately designed depending on the length of the sieving stirring device 12, the height of the sieving transmission device 13, and the like. Preferably, a sealing ring is embedded at the through hole 112 of the inner wall of the sand cylinder 11 to prevent sand from leaking out. Other types of positioning methods can be designed in this embodiment, and only a structure similar to that of the insert 1111 protruding from the wall of the sand cylinder 11 is required. The setting of the positioning device 111 can make the sieving and stirring device 12 more stable when rotating, and reduce the collision to the wall of the sand cylinder 11 as much as possible, so that the stirring and sieving effect is better.
Specifically, the collecting transmission device 22 in this embodiment further includes a cushion block 228 and a housing 229, wherein: the stepper motor 221 is fixedly arranged above the shell 229, and the cushion block 228 is fixedly arranged between the lower part of the shell 229 and the bottom plate 3; the lead screw 226 is mounted through the housing 229; the nut 227 is located within the housing 229, and the sides of the nut 227 move up and down against the inner wall of the housing 229. The side of the nut 227 abuts against the inner wall of the housing 229, and when the stepping motor 221 rotates, the nut 227 can stably ascend or descend without rotation, so that the device can operate more reliably and safely.
Specifically, the screening transmission device 13 of the present embodiment further includes a limiting device 133 located at one end of the shaped rod 132, where the limiting device 133 includes a transverse plate 1331 fixed to the second vertical rod 224, and a limiting rod 1332 fixed to the shaped rod 132, and where: the lower surface of the transverse plate 1331 is provided with an arc-shaped groove matched with the size of the limiting rod 1332, and the servo motor 131 drives the limiting rod 1332 to synchronously rotate with the several-shaped rods 132. Preferably, movable limiting blocks are arranged at the two ends of the arc-shaped groove, when the limiting rod 1332 is positioned in the arc-shaped groove, the limiting blocks are plugged into the two ends of the arc-shaped groove, and the limiting rod 1332 is prevented from sliding out of the arc-shaped groove due to accidental sliding of the several-shaped rod 132, so that the production is influenced. After sand screening is completed, the servo motor 131 is stopped when the limiting rod 1332 is positioned in the arc-shaped groove, and after the coaxial motor 141 is started again, the screening transmission device 13 is stable and firm due to the setting of the limiting device 133, and the influence caused by the operation of the stirring transmission device 14 can be avoided.
The specific product parameters of the stepper motor 221, the servo motor 131, the coaxial motor 141, etc. in this embodiment are not limited, and those skilled in the art may choose appropriate power supply modes according to their own working experiences, and the power supply modes are not limited in this embodiment, and are implemented by using modes adopted in the prior art, such as battery access or industrial power supply.
The working flow of the embodiment of the invention is as follows:
(1) Sand screening: starting a servo motor 131 to drive a plurality of types of rods 132 to rotate so as to drive a stirring transmission device 14 to reciprocate, shaking a sieving stirring device 12 up and down in a sand charging barrel 11, pouring sand into the sand charging barrel 11 for sieving, and allowing fine sand to fall from the upper part of a sieving frame 122, wherein larger sand or impurities remain at the upper part of the sieving frame 122; after screening, when the limit rod 1332 enters the arc-shaped groove, the servo motor 131 is turned off.
(2) Stirring sand materials: push rod 1113 to the direction of sand feed cylinder 11, push rod 1113 slides on sleeve 1114 and drives dog 1112 and inserted bar 1111 to remove, and inserted bar 1111 inserts inside sand feed cylinder 11, and dog 1112 plays the limiting displacement, tightens bolt 1116, and the sealing washer plays sealed effect, and screening agitating unit 12 lower extreme laminating is in the upper end of inserted bar 1111. The coaxial motor 141 is started to drive the rotating shaft 121 to rotate, the rotating shaft 121 drives the screening frame 122 to rotate, the agglomerated sand materials are smashed or scattered, and part of fine sand falls into the first box body 21 through the screening frame 122.
(3) And (3) sand discharge: turning on the stepping motor 211; the stepper motor 211 rotates to drive the screw rod 226 to rotate, and the screw rod 226 can only move upwards due to the limitation of the position of the nut 227, so that the second vertical rod 224, the cross rod 225 and the first vertical rod 223 are driven to move upwards, the screening frame 122 synchronously moves upwards to convey the residual sand on the upper part of the screening frame upwards, and finally the sand is discharged out of the sand charging barrel 11.
The above screening, stirring and discharging of the sand are three independent operation processes, and the production personnel can select the corresponding operation process to process the sand according to the situation, so that the embodiment is not limited specifically.
According to the inorganic binder waste sand crushing, filtering and regenerating device, screening and stirring of sand materials are realized through the screening and stirring mechanism consisting of the sand material barrel, the screening and stirring device and the stirring and stirring device, the treated sand materials are collected through the sand material collecting mechanism, the whole device is simple in structure and easy to realize, the effect of treating the sand materials is better than that of the existing product, sand material resources are saved to a great extent, and reutilization of the waste sand is realized.
The invention has been further described with reference to specific embodiments, but it should be understood that the detailed description is not to be construed as limiting the spirit and scope of the invention, but rather as providing those skilled in the art with the benefit of this disclosure with the benefit of their various modifications to the described embodiments.
Claims (8)
1. The utility model provides an inorganic binder sand waste smashing, filtering and regenerating device, its characterized in that includes screening rabbling mechanism (1), sand material collection mechanism (2) and bottom plate (3), screening rabbling mechanism (1) sand material collection mechanism (2) are located bottom plate (3) top, wherein: the screening and stirring mechanism (1) comprises a sand charging barrel (11), a screening and stirring device (12), a screening transmission device (13) and a stirring transmission device (14); the upper part of the sand charging barrel (11) is opened; the screening stirring device (12) is positioned in the sand charging barrel (11), sand is positioned above the screening stirring device (12), the screening stirring device (12) is rotationally connected with the stirring transmission device (14), and the stirring transmission device (14) drives the screening stirring device (12) to rotate in the sand charging barrel (11); the stirring transmission device (14) is movably arranged on the screening transmission device (13), and the screening transmission device (13) drives the stirring transmission device (14) and the screening stirring device (12) to synchronously reciprocate; the sand collecting mechanism (2) comprises a first box body (21), the first box body (21) is positioned at the lower part of the sand charging barrel (11) and fixedly arranged on the bottom plate (3), and the upper part of the first box body (21) is communicated with the lower part of the sand charging barrel (11);
The screening stirring device (12) comprises a rotating shaft (121), a screening frame (122) and a plurality of stirring rods (123), wherein: one end of the rotating shaft (121) is rotatably connected to the stirring transmission device (14), and the other end of the rotating shaft is fixedly arranged with the screening frame (122); the screening frame (122) comprises a round block (1221), at least two supporting rods (1222) and a screen (1223), wherein the supporting rods (1222) are fixed on the side edge of the round block (1221) in an annular equidistant mode, the screen (1223) is fixed between the supporting rods (1222), and the edge of the screening frame (122) is adjacent to the inner wall of the sand charging barrel (11); the stirring rods (123) are respectively fixed on the supporting rods (1222), and the supporting rods (1222), the round blocks (1221) and the screen (1223) form an inverted funnel shape;
The sand collection mechanism (2) further comprises a collection transmission device (22), a round box body (23) and a second box body (24), wherein: the second box body (24) is positioned at the lower part of the side surface of the sand charging barrel (11) and is fixedly arranged on the bottom plate (3); the round box body (23) comprises a box body bottom surface and a box body side surface; an opening with the same cross-sectional shape as the sand charging barrel (11) is formed in the middle of the bottom surface of the box body, the bottom surface of the box body is obliquely sleeved on the sand charging barrel (11), and the lower part of the box body is positioned right above the second box body (24); a discharge hole (231) is formed in the side surface of the box body right above the second box body (24); the screening transmission device (13) is arranged on the collecting transmission device (22), and the collecting transmission device (22) drives the screening transmission device (13), the stirring transmission device (14) and the screening stirring device (12) to move upwards so as to discharge sand materials out of the sand charging barrel (11).
2. The inorganic binder waste sand pulverizing, filtering and regenerating device according to claim 1, wherein the collecting and driving device (22) comprises a stepping motor (221), a column (222), a first vertical rod (223), a second vertical rod (224), a cross rod (225), a screw rod (226) and a nut (227), wherein: the upright post (222) is fixed on the bottom plate (3) and provided with a blind groove in the vertical direction; one end of the cross rod (225) is fixed with the first vertical rod (223), and the other end of the cross rod is fixed with the second vertical rod (224); the other end of the first vertical rod (223) is inserted into the blind groove and slides up and down along the blind groove; the other end of the second vertical rod (224) is fixed with the nut (227); the nut (227) is sleeved on the lead screw (226); the lead screw (226) is rotationally connected with the stepping motor (221); the stepping motor (221) is fixed on the bottom plate (3); the stepping motor (221) drives the second vertical rod (224), the cross rod (225) and the first vertical rod (223) to integrally move up and down, so as to drive the screening transmission device (13), the stirring transmission device (14) and the screening stirring device (12) to move up and down.
3. An inorganic binder waste sand crushing, filtering and regenerating device as claimed in claim 2, characterized in that the screening transmission (13) comprises a servo motor (131) and a horizontally mounted several-type rod (132), wherein: the servo motor (131) is fixedly arranged on the first vertical rod (223); one end of the several-shaped rod (132) is rotationally connected with the output end of the servo motor (131), and the other end of the several-shaped rod is sleeved on the second vertical rod (224); the stirring transmission device (14) is movably arranged between two bending positions of the several-shaped rod (132); the rotation of the several rods (132) drives the stirring transmission device (14) to reciprocate.
4. A device for crushing, filtering and regenerating inorganic binder waste sand as claimed in claim 3, wherein said stirring transmission means (14) comprises a coaxial motor (141) and a sleeve (142), wherein: the outside of the sleeve (142) is fixedly arranged with the outside of the coaxial motor (141), and the sleeve (142) is sleeved between two bending positions of the several-shaped rod (132) and can rotate relative to the several-shaped rod (132); the output end of the coaxial motor (141) is rotationally connected with the sieving and stirring device (12).
5. The inorganic binder waste sand crushing, filtering and regenerating device according to claim 4, wherein the middle positions of two sides of the sand charging barrel (11) are provided with at least two positioning devices (111) positioned on the same horizontal plane, wherein: the positioning device (111) comprises a plunger (1111), a stop (1112), a push rod (1113), a sleeve (1114), a connecting rod (1115) and a bolt (1116); the sand cylinder (11) is characterized in that a through hole (112) matched with the inserted link (1111) in size is formed in the side wall of the sand cylinder (11), one end of the inserted link (1111) penetrates through the through hole (112), the other end of the inserted link is fixed with one side of a stop block (1112) positioned outside the sand cylinder (11), a push rod (1113) is fixed on the other side of the stop block (1112), a sleeve (1114) is sleeved on the push rod (1113) and is in sliding connection with the push rod, the sleeve (1114) is fixed with the sand cylinder (11) through a connecting rod (1115), and a bolt (1116) penetrates through the sleeve (1114) to fasten the push rod (1113); the inserted rod (1111) protrudes out of the inner wall of the sand charging barrel (11) to limit the downward movement of the sieving and stirring device (12).
6. The inorganic binder waste sand crushing, filtering and regenerating device according to claim 5, wherein the collecting transmission device (22) further comprises a cushion block (228) and a housing (229), wherein: the stepping motor (221) is fixedly arranged above the shell (229), and the cushion block (228) is fixedly arranged between the lower part of the shell (229) and the bottom plate (3); the lead screw (226) is installed through the housing (229); the nut (227) is located within the housing (229), and the side of the nut (227) moves up and down against the inner wall of the housing (229).
7. The inorganic binder waste sand pulverizing, filtering and regenerating device as defined in claim 6, wherein the screening transmission device (13) further comprises a limiting device (133) located at one end of the several-type rod (132), the limiting device (133) comprising a cross plate (1331) fixed to the second vertical rod (224), and a limiting rod (1332) fixed to the several-type rod (132), wherein: the lower surface of the transverse plate (1331) is provided with an arc-shaped groove matched with the size of the limiting rod (1332), and the servo motor (131) drives the limiting rod (1332) and the several-type rods (132) to synchronously rotate.
8. An inorganic binder waste sand crushing, filtering and regenerating device as claimed in claim 1, wherein the supporting rods (1222) are fixed on the side edge of the round block (1221) in a circular shape at equal intervals and in a downward inclined manner, and the stirring rods (123) are fixed on the supporting rods (1222) in a horizontal direction at equal intervals.
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| CN201810726501.6A CN108746486B (en) | 2018-07-04 | 2018-07-04 | Inorganic binder waste sand crushing, filtering and regenerating device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810726501.6A CN108746486B (en) | 2018-07-04 | 2018-07-04 | Inorganic binder waste sand crushing, filtering and regenerating device |
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| CN108746486B true CN108746486B (en) | 2024-06-07 |
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| CN111001756B (en) * | 2020-02-19 | 2020-10-30 | 常熟市大地机械铸造厂 | Casting waste sand autosegregation grinds recovery unit |
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