CN110899612A - Elevation angle adjusting mechanism applied to renovation of casting sand mold - Google Patents
Elevation angle adjusting mechanism applied to renovation of casting sand mold Download PDFInfo
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- CN110899612A CN110899612A CN201911328270.4A CN201911328270A CN110899612A CN 110899612 A CN110899612 A CN 110899612A CN 201911328270 A CN201911328270 A CN 201911328270A CN 110899612 A CN110899612 A CN 110899612A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
- B22C5/04—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by grinding, blending, mixing, kneading, or stirring
- B22C5/0409—Blending, mixing, kneading or stirring; Methods therefor
- B22C5/0472—Parts; Accessories; Controlling; Feeding; Discharging; Proportioning
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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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Abstract
The invention provides an elevation angle adjusting mechanism applied to renovation of a casting sand mold, which comprises a fixed frame and a rectangular movable frame fixedly provided with mechanical equipment, wherein a tripod is fixedly arranged at the middle position of the upper end surface of the fixed frame along the length direction of the fixed frame, the movable frame is positioned between two tripods, the middle position of the movable frame along the length direction of the movable frame is in rotating connection and matching with the top of the tripod, a first movable shaft is arranged between one end of the fixed frame along the length direction and one end of the movable frame along the length direction, a first connecting rod for connecting the first movable shaft and the second movable frame is arranged between the end position of the first movable shaft and the side surface of the movable frame along the width direction, and a second connecting rod for connecting the first movable shaft and the second movable frame is arranged between the side surfaces of the fixed frame along the width direction, an included angle formed by the first connecting, the movable frame is inclined and drives the mechanical equipment to be integrally inclined.
Description
Technical Field
The invention relates to the technical field of sand mold casting, in particular to an elevation angle adjusting mechanism applied to renovation of a casting sand mold.
Background
When the sand mold is used for casting, the formed part is taken out of the sand mold, so that the sand mold is damaged, the sand mold is a disposable mold, if the broken sand mold is reused, the broken sand mold needs to be crushed, then the sand and impurities are filtered and separated, the sand with high purity is obtained, and the part of the sand is reused to form a new sand mold, so that the broken sand mold is reused.
With the rapid development of electromechanical integration, all industries can not leave mechanical equipment, the mechanical equipment is various in types, when the mechanical equipment runs, some parts of the mechanical equipment even the mechanical equipment can perform mechanical motion in different forms, the mechanical equipment comprises a driving device, a speed changing device, a transmission device, a working device, a braking device, a protection device, a lubricating system, a cooling system and the like, and under certain special use conditions, the mechanical equipment needs to be integrally inclined to meet the use requirements of users.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the inclined support adjusting mechanism which is ingenious in structure, simple in principle, convenient to operate and use, and convenient for installation of mechanical equipment and can drive the mechanical equipment to incline.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.
The elevation angle adjusting mechanism comprises a rectangular fixed frame falling to the ground, and a rectangular movable frame fixedly provided with mechanical equipment, wherein the movable frame is positioned right above the fixed frame, two tripods are fixedly arranged on the upper end surface of the fixed frame along the middle position of the length direction of the fixed frame, the two tripods are symmetrically arranged along the length direction of the fixed frame, the movable frame is positioned between the two tripods, the middle position of the movable frame along the length direction of the movable frame is in rotating connection and matching with the top of the tripod, the axial direction of a rotating shaft formed at the rotating connection part of the movable frame and the tripod is parallel to the width direction of the fixed frame, a first movable shaft is arranged between one end of the fixed frame along the length direction and one end of the movable frame along the length direction, the axial direction of the first movable shaft is parallel to the width direction of the movable frame, a first connecting rod for connecting the first, And a second connecting rod for connecting the first connecting rod and the second connecting rod is arranged between the second connecting rod and the fixed frame along the width direction, one end of the first connecting rod is rotatably sleeved on the end position of the first movable shaft, the other end of the first connecting rod is rotatably connected and matched with the movable frame, the axial direction of a rotating shaft formed by the first connecting rod and the rotating joint of the movable frame is parallel to the axial direction of the first movable shaft, one end of the second connecting rod is rotatably sleeved on the end position of the first movable shaft, the other end of the second connecting rod is rotatably connected and matched with the fixed frame, the axial direction of the rotating shaft formed by the second connecting rod and the rotating joint of the fixed frame is parallel to the axial direction of the first movable shaft, an included angle formed by the first connecting rod and the second connecting rod in an initial state.
As a further optimization or improvement of the present solution.
The axial that still is provided with guide arm and guide arm on the mount is on a parallel with the length direction of mount, the guide arm is provided with two and along the length direction symmetrical arrangement of mount, the guide arm is located one side of tripod, connecting rod one end is located the opposite side of tripod, the movable sleeve is equipped with the slider rather than the adaptation on the guide arm, slider and guide arm constitute the slip guide cooperation along the length direction that is on a parallel with the mount, the fixed loose axle two that is on a parallel with loose axle axial on the slider, the height that highly is less than loose axle one of loose axle two, be provided with between the tip position of loose axle two and the tip position of loose axle one and be used for connecting slope connecting rod three between them, three one end of connecting rod is rotated and is cup jointed on loose axle one, the other end rotates and.
As a further optimization or improvement of the present solution.
The inclination adjusting mechanism further comprises a second motor fixedly connected with the fixing frame, a screw rod is coaxially and fixedly sleeved on an output shaft of the second motor, the axial direction of the screw rod is parallel to the length direction of the fixing frame, the screw rod is located between the two guide rods, the sliding block is sleeved on the screw rod, and the sliding block and the screw rod form threaded connection matching.
Compared with the prior art, the invention has the advantages of ingenious structure, simple principle and convenient operation and use, can conveniently adjust the mechanical equipment arranged on the movable frame to switch between the horizontal state and the inclined state, can adjust the inclination angle of the mechanical equipment and meets the requirement of a user on the inclined position of the mechanical equipment.
Drawings
FIG. 1 is a schematic structural diagram of an initial state of the present invention.
FIG. 2 is a schematic structural diagram of the initial state of the present invention.
Fig. 3 is a schematic structural diagram of the working state of the present invention.
Fig. 4 is a schematic structural diagram of the working state of the present invention.
Fig. 5 is a matching view of the fixing frame and the filtering device.
Fig. 6 is a schematic structural view of the fixing frame.
Fig. 7 is a schematic structural view of the filter device.
Fig. 8 is a partial structural view of the filter device.
Fig. 9 is a partial structural view of the filter device.
Fig. 10 is a diagram of the outer screen and the inner screen.
Fig. 11 is a schematic structural view of an outer screen.
Fig. 12 is a schematic structural view of an inner screen.
FIG. 13 is a schematic structural diagram of the fixed cylinder, the first impurity removing ring and the second impurity removing ring.
Fig. 14 is a diagram of the combination of an inner screen and a rolling mechanism.
Fig. 15 is an installation view of the rolling mechanism.
Fig. 16 is a schematic view of a rolling structure.
Fig. 17 is a partial structural schematic view of a rolling mechanism.
Fig. 18 is a partial structural schematic view of a rolling mechanism.
Fig. 19 is a partial structural schematic view of a rolling mechanism.
Fig. 20 is a partial structural schematic view of a rolling mechanism.
Fig. 21 is a partial structural schematic view of a rolling mechanism.
Fig. 22 is a matching diagram of the driving mechanism, the outer filter screen, the inner filter screen and the rolling mechanism.
Fig. 23 is a schematic structural view of the drive mechanism.
FIG. 24 is a view of the hopper in combination with a filter device.
Fig. 25 shows a combination of a discharge hopper and a filter device.
FIG. 26 is a view of the tilt adjustment mechanism in cooperation with the movable frame.
Fig. 27 is a schematic structural view of the tilt adjusting mechanism.
Labeled as:
100. a fixed mount; 101. a tripod;
200. a filtration device; 201. a movable frame; 202a and a first mounting rack; 202b and a second mounting rack; 202c, a bearing I; 203. an outer filter screen; 203a, a fine mesh; 203b, a first fixing ring; 203c and a second fixing ring; 203d, a leakage opening; 204. an inner filter screen; 204a, coarse mesh; 204b, a third fixing ring; 204c, a fixing ring IV; 205a, mounting pieces; 205b, bearing two; 206. a blocking ring is sealed; 207a, a sand discharge cylinder; 207b, a sand discharge nozzle; 208a, a first heterocyclic ring; 208b, a first impurity discharging nozzle; 209a, a second heterocyclic ring; 209b, a second impurity discharging nozzle; 210. a rolling mechanism; 211a and a first fixing plate; 211b and a second fixing plate; 212. rotating the main shaft; 213. a sleeve; 214. mounting blocks; 214a, a floating rod; 214b, a floating spring; 215. rolling cylinders; 215a, a rotating shaft; 215b, an inner cylinder; 215c, an outer cylinder; 215d, end caps; 216. a groove; 217. a through hole; 218. vibrating hammers; 219. closing the plate; 220. a drive mechanism; 221. a drive shaft; 222. a first motor; 223. a first driving gear; 224. a driven gear ring I; 225. a second driving gear; 226 drive ring two; 227. a belt drive assembly;
300. a feed hopper; 301. a vibrator;
400. a discharge hopper; 401. a trash discharging hopper; 402. a sand discharge hopper;
500. a tilt adjustment mechanism; 501. a first movable shaft; 502. a first connecting rod; 503. a second connecting rod; 504. a guide bar; 505. a slider; 506. a second movable shaft; 507. a third connecting rod; 508. a second motor; 509. and a screw rod.
Detailed Description
Referring to fig. 1 to 24, a rotary rolling type double filter sand retreading machine comprises a fixed frame 100 and a filtering device 200, the sand mold crusher comprises a feed hopper 300, a discharge hopper 400 and an inclination adjusting mechanism 500, wherein the filter device 200 is movably arranged on a fixed frame 100 and can rotate and incline, the filter device 200 is set to be in a horizontal state and an inclined state which can be mutually switched, the inclination adjusting mechanism 500 is used for driving the filter device 200 to be switched between the horizontal state and the inclined state, the filter device 200 is used for performing roll crushing on crushed massive sand molds, enabling the compressed sand molds to automatically roll downwards in the inclined state and filtering and separating the compressed sand molds into sand and impurities, the feed hopper 300 is communicated with the input end of the filter device 200 and supplies the crushed massive sand molds, and the discharge hopper 400 is communicated with the output end of the filter device 200 and discharges the separated sand and impurities outwards respectively.
Specifically, the fixed frame 100 is a rectangular floor frame, the middle position of the upper end surface of the fixed frame 100 along the length direction of the fixed frame is fixedly provided with two tripods 101, the tripods 101 are symmetrically arranged along the length direction of the fixed frame 100, the filtering device 200 comprises a rectangular movable frame 201 which is arranged above the fixed frame 100 and is correspondingly arranged with the fixed frame, the movable frame 201 is positioned between the two tripods 101, the middle position of the movable frame 201 along the length direction of the movable frame 201 is rotatably connected and matched with the top of the tripods 101, the axial direction of a rotating shaft formed at the rotary connection part of the movable frame 201 and the tripods 101 is parallel to the width direction of the fixed frame 100, the middle position of the upper end surface of the movable frame 201 along the length direction of the movable frame is provided with a square frame-shaped first mounting frame 202a, the upper end surface of the movable frame 201 is provided with a square frame-shaped second mounting frame 202b, The shape and the size are consistent and are arranged oppositely, the plane of the first mounting frame 202 a/the second mounting frame 202b is parallel to the width direction of the movable frame 201, a cylindrical outer filter screen 203 and an inner filter screen 204 which are coaxially arranged are arranged between the first mounting frame 202a and the second mounting frame 202b, the axial direction of the outer filter screen 203/the inner filter screen 204 is horizontal in the initial state, the inner filter screen 204 is sleeved in the outer filter screen 203 and is arranged at intervals, a rolling mechanism 210 for rolling and crushing the crushed massive sand molds is coaxially arranged in the inner filter screen 204, by placing the broken block sand molds within the inner screen 204, the stitching mechanism 210 crushes the sand molds and forms a mixture of inclusions and sand, wherein sand will be discharged outwardly through the inner screen 204, the outer screen 203, wherein a larger volume of impurities will be discharged from one end of the inner screen 204, and wherein a smaller volume of impurities will be discharged through the inner screen 204 and out one end of the outer screen 203.
Specifically, in order to facilitate the installation of the outer filter screen 203 and the inner filter screen 204, one end face of the first mounting frame 202a, the second mounting frame 202b, which is close to each other, is rotatably provided with a first bearing 202c, the axial direction of which is parallel to the length direction of the movable frame 201, the first bearings 202c are provided with a plurality of bearings and are arranged in an array along the circumferential direction of the outer filter screen 203, the outer filter screen 203 is composed of a cylindrical fine mesh 203a, a first fixing ring 203b and a second fixing ring 203c, the fine mesh 203a, the first fixing ring 203b and the second fixing ring 203c are coaxially arranged and have the same diameter, the first fixing ring 203b is fixedly connected with one end of the fine net 203a, the second fixing ring 203c is fixedly connected with the other end of the fine net 203a, annular clamping grooves are coaxially arranged on the outer circular surfaces of the first fixing ring 203b and the second fixing ring 203c, the outer circular surface of the first bearing 202c is attached to the clamping grooves, and the first bearing 202c supports the outer filter screen 203.
Specifically, the inner filter screen 204 is composed of a cylindrical coarse screen 204a, a fixing ring three 204b and a fixing ring four 204c, the coarse screen 204a, the fixing ring three 204b and the fixing ring four 204c are coaxially arranged and have the same diameter, the fixing ring three 204b is fixedly connected with one end of the coarse screen 204a, the fixing ring four 204c is fixedly connected with the other end of the coarse screen 204b, in order to facilitate the rotation connection and matching between the inner filter screen 204 and the outer filter screen 203, annular mounting pieces 205a are coaxially and fixedly sleeved on the outer circumferential surfaces of the fixing ring three 204b and the fixing ring three 204c, two bearings 205b axially parallel to the axial direction of the inner filter screen 204 are rotatably arranged on the mounting pieces 205a, the two bearings 205b are arranged in an array along the circumferential direction of the mounting pieces 205a, the two bearings 205b are attached to the inner circumferential surfaces of the fixing ring one 203b and the fixing ring two 203c and are supported by the two bearings 205b, the end part of the inner filter screen 204 in the length direction is outwards extended by the outer filter screen 203, one end of the inner filter screen 204 close to the first mounting frame 202a is an input end, one end of the inner filter screen 204 close to the second mounting frame 202b is an output end, the input end of the inner filter screen 204 is coaxially and fixedly provided with the blocking ring 206, in the using process, a crushed sand mold is crushed in the inner filter screen 204, the inner filter screen 204 is inclined, the crushed sand mold rolls towards the output end from the input end of the inner filter screen 204 under the action of self gravity, in the process, sand passes through the inner filter screen 204 and is downwards discharged from the outer filter screen 203, impurities with large volume are directly discharged from one end of the inner filter screen 204, and impurities with small volume pass through the inner filter screen 204 and are discharged from one end of the outer filter screen 203.
More specifically, in order to facilitate discharging of impurities and sand, a first fixing ring 203b close to the output end of the inner filter screen 204 is provided with a plurality of inner and outer communicated leakage openings 203d, the leakage openings 203d are arranged in an array manner along the circumferential direction of the outer filter screen 203, a fixing cylinder 207a fixedly connected with the first mounting frame 202a and the second mounting frame 202b is coaxially and fixedly sleeved outside the outer filter screen 203, the fixing cylinder 207a is matched with the outer filter screen 203 in a rotating manner and extends to the leakage opening 203d from the second fixing ring 203b, a sand discharge nozzle 207b communicated with the fixing cylinder 207a is arranged below the fixing cylinder 207a, a first impurity discharge ring 208a fixedly connected with the fixing cylinder 207a is further coaxially and fixedly sleeved outside the outer filter screen 203, the first impurity discharge ring 208a is in butt joint with the leakage openings 203d and is matched with the first impurity discharge ring 208a and is matched with the outer filter screen 203 in a rotating manner, a first impurity discharge nozzle 208b communicated with the inner part of the first impurity discharge ring 208a is arranged below the first impurity discharge ring 208a, the output end of the inner filter screen 204 is coaxially sleeved with a second impurity discharge ring channel 209a which is in butt joint with the second impurity discharge ring channel 209a and is in rotating connection with the inner filter screen 204, the second impurity discharge ring channel 209a is fixedly connected with the movable frame 201, a second impurity discharge nozzle 209b which is in internal connection with the first impurity discharge ring channel 209a is arranged below the first impurity discharge ring channel 209a, sand is discharged through the sand discharge nozzle 207b, impurities with small volume are discharged through the first impurity discharge nozzle 208b, and impurities with large volume are discharged through the second impurity discharge nozzle 209 b.
In the working process of the filtering device 200, a user places the crushed massive sand molds on the input end of the inner filter screen 204, the inclination adjusting mechanism 500 drives the filtering device 200 to switch the inclination state from the horizontal state and enables the inner filter screen 204 to incline downwards from the input end to the output end, and drives the inner filter screen 204 and the outer filter screen 203 to rotate slowly around the self axial direction, meanwhile, the rolling mechanism 210 performs rolling and crushing on the crushed massive sand molds, the crushed sand molds roll from the input end to the output end of the inner filter screen 204 under the action of self gravity, in the process, sand sequentially passes through the inner filter screen 204 and the outer filter screen 203 to be discharged downwards to fall into the sand discharge cylinder 207a and is discharged into the discharge hopper 400 through the sand discharge nozzle 207b, wherein impurities with larger volume are directly discharged from the output end of the inner filter screen 204 to the second impurity discharge circular channel 209a and are discharged into the discharge hopper 400 through the second impurity discharge nozzle 209b, wherein the impurities with smaller volume pass through the inner screen 204 and fall into the outer screen 203, and then are discharged to the first impurity discharge loop 208a through the leakage opening 203d and discharged into the discharge hopper 400 through the first impurity discharge nozzle 208 b.
The rolling mechanism 210 comprises a first fixing plate 211b fixedly connected with the first mounting frame 202a and a second fixing plate 211a fixedly connected with the second mounting frame 202b, a rotating main shaft 212 coaxially arranged with the inner filter screen 204 is rotatably arranged between the first fixing plate 211b and the second fixing plate 211a, the rotating main shaft 212 penetrates through the inner filter screen 204, a sleeve 213 is coaxially and fixedly sleeved on the rotating main shaft 212, two sleeves 213 are arranged, one sleeve 213 is arranged close to the input end of the inner filter screen 204, the other sleeve 213 is arranged close to the output end of the inner filter screen 204, mounting blocks 214 are movably arranged outside the sleeves 213, three mounting blocks 214 are arranged in an array along the circumferential direction of the sleeves 213, floating rods 214a are fixedly arranged on the mounting blocks 214, the axial directions of the floating rods 214a are arranged along the radial direction of the sleeves 213, the floating rods 214a are inserted in the sleeves 213a, and the floating rods 214a can float along the radial direction of the sleeves 213, the floating spring 214b is movably sleeved outside the floating rod 214a, the elastic force of the floating spring 214b is always directed to the mounting block 214 by the sleeve 213a, a rolling cylinder 215 which is axially parallel to the axial direction of the rotating main shaft 212 is arranged between two corresponding mounting blocks 214 along the axial direction parallel to the rotating main shaft 212, the rolling cylinder 215 is in rotating connection and matching with the mounting block 214, the rotating shaft formed by the rotating connection part of the rolling cylinder 215 and the mounting block 214 is axially parallel to the axial direction of the rotating main shaft 212, the rolling cylinder 215 is in elastic contact with the inner filter screen 204, and the rolling cylinder 215 rotates around the self axial direction and is matched with the inner filter screen 204 to roll and crush the crushed block-shaped sand mold by driving the rotating main shaft 212 to rotate.
In order to improve the grinding efficiency of the rolling cylinder 215 to the massive sand mold, the rolling cylinder 215 comprises a rotating shaft 215a, an inner cylinder 215b and an outer cylinder 215c which are coaxially arranged, the end part of the rotating shaft 215a is rotationally connected and matched with a mounting block 214, the inner cylinder 215b is arranged in a cylindrical structure and coaxially and fixedly sleeved on the rotating shaft 215a, the outer cylinder 215c is arranged in a cylindrical thin-wall structure and sleeved on the inner cylinder 215b, the outer circular surface of the outer cylinder 215c is provided with pressing grooves which are parallel to the axial direction of the outer cylinder, the pressing grooves are provided with a plurality of pressing grooves which are arranged in an array along the circumferential direction of the outer cylinder 215c, the end part of the outer cylinder 215c is coaxially provided with an end cover 215d, the outer circular surface of the inner cylinder 215b is provided with a rectangular groove 216 which penetrates along the axial direction of the inner cylinder 215b, the length direction of the groove 216 is parallel to, four grooves 216 are arranged and arranged in an array along the circumferential direction of the inner cylinder 215b, through holes 217 for connecting and communicating the four grooves are arranged between the bottoms of the symmetrically arranged grooves 216, the axial direction of the through holes 217 is arranged along the radial direction of the inner cylinder 215b, two groups of three through holes 217 are arranged, one group of through holes 217 is arranged at one end of two symmetrically arranged grooves 216 along the length direction, the other group of through holes 217 is arranged at the other end of two symmetrically arranged grooves 216 along the length direction, columnar vibration hammers 218 matched with the through holes 217 are arranged in the through holes 217, the vibration hammers 218 can slide along the through holes 217, closing plates 219 matched with the grooves 216 are detachably arranged on the grooves 216, the closing plates 219 and the inner cylinder 215b provided with the grooves 216 form a complete columnar structure, and the rolling cylinders 215 and the inner filter screen 204 are matched to rotate, the hammers 218 centrifugally move within the through holes 217 and reciprocally slide along the through holes 217 to strike the closing plate 219, causing the closing plate 219 to vibrate and transmit the vibration to the outer barrel 215c, causing the outer barrel 215c to rapidly crush the crushed sand molds.
In order to enable the rotating main shaft 212, the inner filter screen 204 and the outer filter screen 203 to rotate around the self axial direction, the movable frame 201 is further provided with a driving mechanism 220, the driving mechanism 220 comprises a transmission shaft 221 which is rotatably arranged on the movable frame 201 and a motor I222 which is fixedly arranged on the movable frame 201, the axial direction of the transmission shaft 221 is parallel to the axial direction of the rotating main shaft 212 and is positioned below the rotating main shaft 212, an output shaft of the motor I222 is coaxially and fixedly connected with the transmission shaft 221, in order to enable the rotating main shaft 212 to be driven to rotate, a belt transmission assembly 227 for connecting the transmission shaft 221 and the rotating main shaft 212 is arranged between the middle position of the transmission shaft 221 along the axial direction and the driving end of the rotating main shaft 212, the driving end of the belt transmission assembly 227 is connected with the transmission shaft 221, the output end of the belt transmission assembly is connected with the rotating main shaft 212, the belt, in order to drive the inner filter screen 204 and the outer filter screen 203 to rotate, the driving mechanism 220 further includes a first driving gear 223 coaxially and fixedly sleeved on the output end of the transmission shaft 221, a first driven gear ring 224 coaxially and fixedly sleeved on the outer circular surface of the second fixed ring 203c, a second driving gear 225 coaxially and fixedly sleeved on the output end of the transmission shaft 221, and a second driven gear ring 226 coaxially and fixedly sleeved on the fourth fixed ring 204c, wherein the first driving gear 223 is meshed with the first driven gear ring 224, and the second driving gear 225 is meshed with the second driven gear ring 226.
The driving mechanism 220 is embodied in that a first motor 222 is started, the first motor 222 drives a transmission shaft 221 to rotate around the self axial direction, a first driving gear 223 is matched with a first driven gear ring 224 to transmit the power of the transmission shaft 221 to the outer filter screen 203 and drive the outer filter screen 203 to rotate around the self axial direction, a second driving gear 225 is matched with a second driven gear ring 226 to transmit the power of the transmission shaft 221 to the inner filter screen 204 and drive the inner filter screen 204 to rotate around the self axial direction, a belt transmission assembly 227 transmits the power of the transmission shaft 221 to a main rotating shaft 212 and drives the main rotating shaft 212 to rotate around the self axial direction, and the rolling mechanism 210 operates normally and enables the rolling cylinder 215 to roll and crush the crushed massive sand molds.
In order to facilitate feeding of the auxiliary filtering device 200, the feeding hopper 300 is rectangular and funnel-shaped, and is gradually increased from bottom to top along the vertical direction, the feeding hopper 300 is fixedly installed on the fixing plate 211b, and the lower end opening of the feeding hopper 300 is inserted into the inner filter screen 204, so as to avoid blockage of the feeding hopper 300 in the feeding process, the vibrator 301 is fixedly arranged on the feeding hopper 300, and the feeding hopper 300 vibrates to assist feeding, so that the feeding speed of feeding can be increased, and blockage of the feeding hopper 300 can be avoided.
In order to assist in discharging the filtering device 200, the discharging hopper 400 comprises an impurity discharging hopper 401 and an impurity discharging hopper 402 which are arranged in parallel and both of which are fixedly connected with the movable frame 201, openings at the upper end and the lower end of the impurity discharging hopper 401 and the upper end of the impurity discharging hopper 402 are arranged, the impurity discharging hopper 401 and the impurity discharging hopper 402 are both positioned under the outer filter screen 203, a first impurity discharging nozzle 208b and a second impurity discharging nozzle 209b are inserted into an opening at the upper end of the impurity discharging hopper 401, a sand discharging nozzle 207b is inserted into an opening at the upper end of the impurity discharging hopper 402, impurities discharged from the first impurity discharging nozzle 208b and the second impurity discharging nozzle 209b are discharged through the impurity discharging hopper 401, sand discharged from the sand discharging nozzle 207b is discharged through the impurity discharging hopper 402, and the sand and the impurities are discharged outwards respectively.
In order to support the movable frame 201 and adjust the inclination angle of the movable frame 201, so as to switch the filtering device 200 between a horizontal state and an inclined state, the inclination adjusting mechanism 500 comprises a first movable shaft 501 movably arranged between one end of the fixed frame 100 along the length direction and one end of the movable frame 201 along the length direction, the axial direction of the first movable shaft 501 is parallel to the width direction of the movable frame 201, a first connecting rod 502 connecting the first movable shaft 501 and the side surface of the movable frame 201 along the width direction is arranged between the end position of the first movable shaft 501 and the side surface of the movable frame 201, a second connecting rod 503 connecting the first movable shaft 501 and the side surface of the fixed frame 100 along the width direction is arranged between the two side surfaces, one end of the first connecting rod 502 is rotatably sleeved on the end position of the first movable shaft 501, the other end is rotatably connected and matched with the movable frame 201, and the axial direction of a rotating shaft formed by, one end of the second connecting rod 503 is rotatably sleeved on the end part of the first movable shaft 501, the other end of the second connecting rod 503 is rotatably connected and matched with the fixed frame 100, the axial direction of a rotating shaft formed at the rotating connection part of the second connecting rod 503 and the fixed frame 100 is parallel to the axial direction of the first movable shaft 501, an included angle formed by the first connecting rod 502 and the second connecting rod 503 is an obtuse angle in an initial state, the filtering device 200 is in a horizontal state, and the included angle formed between the first connecting rod 502 and the second connecting rod 503 is increased through driving, so that the filtering device 200 is switched from the horizontal state to.
Specifically, the tilt adjusting mechanism 500 further includes two guide rods 504 fixedly disposed on the fixed frame 100, the axial direction of the guide rods 504 is parallel to the length direction of the fixed frame 100, the two guide rods 504 are symmetrically disposed along the length direction of the fixed frame 100, the guide rods 504 are disposed on one side of the tripod 101, the first link 502 and the second link 503 are disposed on the other side of the tripod 101, the guide rods 504 are movably sleeved with sliders 505 adapted thereto, the sliders 505 and the guide rods 504 form a sliding guiding fit along the length direction parallel to the fixed frame 100, the sliders 505 are fixedly disposed with the second movable shaft 506 parallel to the axial direction of the first movable shaft 501, the height of the second movable shaft 506 is smaller than the height of the first movable shaft 501, a third tilt link 507 for connecting the two is disposed between the end position of the second movable shaft 506 and the end position of the first movable shaft 501, one end of the third link 507 is rotatably sleeved on the first movable shaft 501, the other, the slider 505 is driven to slide along the guide rod 504 close to the first movable shaft 501, so that the included angle between the first connecting rod 502 and the second connecting rod 503 is increased.
More specifically, in order to drive the sliding block 505 to slide along the guide rods 504, the tilt adjusting mechanism 500 further includes a second motor 408 fixedly connected to the fixed frame 100, a screw rod 509 is coaxially and fixedly sleeved on an output shaft of the second motor 508, an axial direction of the screw rod 509 is parallel to a length direction of the fixed frame 100, the screw rod 509 is located between the two guide rods 504, the sliding block 505 is sleeved on the screw rod 509, the sliding block 505 and the screw rod are in threaded connection and fit, the sliding block 505 is driven by the second motor 508 to slide close to the first movable shaft 501, so that an included angle between the first connecting rod 502 and the second connecting rod 503 is increased, and the filtering device 200 is switched from a horizontal state to.
In the working process of the inclination adjusting mechanism 500, the driving filtering device 200 is switched from the horizontal state to the inclined state, which is specifically shown in the following steps that a second motor 508 is started, the second motor 508 drives a screw rod 509 to rotate around the axial direction of the second motor, the screw rod 509 drives a sliding block 505 to slide along a guide rod 504 close to a first movable shaft 501, the second movable shaft 506 moves synchronously with the sliding block 505, a third connecting rod 507 pushes the first movable shaft 501, an included angle between the first connecting rod 502 and the second connecting rod 503 is increased, the movable frame 201 rotates and inclines, and the whole filtering device 200 is switched from the horizontal state to the inclined state; the driving filter device 200 is switched from the inclined state to the horizontal state, specifically, the second starting motor 508 rotates reversely, the screw rod 509 slides the driving slider 505 away from the first movable shaft 501 along the guide rod 504 to reset, the third connecting rod 507 pulls back the first movable shaft 501 and reduces the included angle between the first connecting rod 502 and the second connecting rod 503 to reset, the movable frame 201 rotates and is horizontal, and the whole filter device 200 is switched from the inclined state to the horizontal state to reset.
Claims (3)
1. Be applied to elevation angle adjustment mechanism that casting sand mould renovated, its characterized in that: the movable rack is positioned right above the fixed rack, a tripod is fixedly arranged at the middle position of the upper end surface of the fixed rack along the length direction of the fixed rack, the tripod is provided with two tripods which are symmetrically arranged along the length direction of the fixed rack, the movable rack is positioned between the two tripods, the middle position of the movable rack along the length direction is in rotating connection and matching with the top of the tripod, the axial direction of a rotating shaft formed at the rotating connection part of the movable rack and the tripod is parallel to the width direction of the fixed rack, a first movable shaft is arranged between one end of the fixed rack along the length direction and one end of the movable rack along the length direction, the axial direction of the first movable shaft is parallel to the width direction of the movable rack, a first connecting rod for connecting the first movable shaft and the first movable rack along the width direction is arranged between the end position of the first movable shaft and the side of the movable rack along the width, one end of a connecting rod is rotatably sleeved on the end position of a first movable shaft, the other end of the connecting rod is rotatably connected and matched with a movable frame, the axial direction of a rotating shaft formed by the rotating connection position of the first connecting rod and the movable frame is parallel to the axial direction of the first movable shaft, one end of a connecting rod two is rotatably sleeved on the end position of the first movable shaft, the other end of the connecting rod two is rotatably connected and matched with a fixed frame, the axial direction of the rotating shaft formed by the rotating connection position of the second connecting rod and the fixed frame is parallel to the axial direction of the first movable shaft, an included angle formed by the first connecting rod and the second connecting rod is an obtuse angle and the movable frame is horizontal in an initial state, and the included angle formed between.
2. The elevation adjustment mechanism applied to the retreading of a foundry sand mold as recited in claim 1, wherein: the axial that still is provided with guide arm and guide arm on the mount is on a parallel with the length direction of mount, the guide arm is provided with two and along the length direction symmetrical arrangement of mount, the guide arm is located one side of tripod, connecting rod one end is located the opposite side of tripod, the movable sleeve is equipped with the slider rather than the adaptation on the guide arm, slider and guide arm constitute the slip guide cooperation along the length direction that is on a parallel with the mount, the fixed loose axle two that is on a parallel with loose axle axial on the slider, the height that highly is less than loose axle one of loose axle two, be provided with between the tip position of loose axle two and the tip position of loose axle one and be used for connecting slope connecting rod three between them, three one end of connecting rod is rotated and is cup jointed on loose axle one, the other end rotates and.
3. The elevation angle adjusting mechanism applied to the renovation of the casting sand mold as claimed in claim 2, wherein: the inclination adjusting mechanism further comprises a second motor fixedly connected with the fixing frame, a screw rod is coaxially and fixedly sleeved on an output shaft of the second motor, the axial direction of the screw rod is parallel to the length direction of the fixing frame, the screw rod is located between the two guide rods, the sliding block is sleeved on the screw rod, and the sliding block and the screw rod form threaded connection matching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911328270.4A CN110899612A (en) | 2019-12-20 | 2019-12-20 | Elevation angle adjusting mechanism applied to renovation of casting sand mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911328270.4A CN110899612A (en) | 2019-12-20 | 2019-12-20 | Elevation angle adjusting mechanism applied to renovation of casting sand mold |
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| Publication Number | Publication Date |
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| CN110899612A true CN110899612A (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911328270.4A Withdrawn CN110899612A (en) | 2019-12-20 | 2019-12-20 | Elevation angle adjusting mechanism applied to renovation of casting sand mold |
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| CN (1) | CN110899612A (en) |
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Address after: 230000 Qiming Road office, building 2, Fortune Plaza, Luyang District, Hefei City, Anhui Province Applicant after: Lu'an qimingdao Electromechanical Technology Co.,Ltd. Address before: 237000 East Gaocheng road science and technology innovation center, Lu'an economic and Technological Development Zone, Anhui Province Applicant before: Lu'an qimingdao Electromechanical Technology Co.,Ltd. |
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Application publication date: 20200324 |
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