A centrifugal regeneration mechanism for self-hardening sand casting machinery

Abstract

The present invention relates to the field of casting technology, and specifically discloses a centrifugal regeneration mechanism for a self-hardening sand casting machine, comprising: a working platform, a controller, a hopper, a regeneration device, a distributor, a conveyor, a material elevator, and a crusher; the controller is arranged on the left side of the top of the working platform; the hopper is installed on the inner top of the working platform; the regeneration device is arranged in the middle of the inner side of the working platform; the distributor is arranged on the inner bottom of the working platform; the conveyor is installed at the bottom end of the distributor, and the conveyor and the distributor are connected; the material elevator is installed on the right side of the outer side of the working platform. The centrifugal regeneration mechanism for the self-hardening sand casting machine optimizes its internal structure to ensure that sand particles and impurity particles can be effectively separated, which can effectively improve the separation efficiency of the self-hardening sand casting centrifugal regeneration machine and reduce the problem of impurity particles adhering to the inner wall, thereby improving the quality of the regenerated sand and the operating efficiency of the equipment.

Description

Technical Field

[0001] The invention relates to the technical field of casting, in particular to a centrifugal regeneration mechanism for a self-hardening sand casting machine. Background Art

[0002] Self-hardening sand is a type of molding sand widely used in the casting process. It can harden itself at room temperature to form a solid mold. This sand is mainly composed of silica sand, combined with specific binders and hardeners, so that it can harden and form within a certain period of time after mixing. Common self-hardening sand types include water glass sand, phenolic resin sand and alkali metal silicate sand. The casting process using self-hardening sand includes sand preparation, molding, hardening, demoulding, pouring, and cleaning and post-processing of castings. Since self-hardening sand has the advantages of fast molding speed, high mold strength and short production cycle, it is particularly suitable for mass production. In addition, the regeneration and recycling of self-hardening sand is also of great significance for reducing costs, reducing environmental pollution and improving resource utilization. By using equipment such as centrifugal regeneration machines, used self-hardening sand can be regenerated and reused in the casting process, thereby realizing the recycling of resources.

[0003] In the existing technical field, the centrifugal regeneration mechanism for casting self-hardening sand machinery adopts the invention with application publication number CN112404345A, which relates to the technical field of self-hardening sand casting production equipment. A No. 1 bracket is fixedly provided on the base, a rotating shaft is rotatably provided on the No. 1 bracket through a bearing, a No. 1 mounting seat is fixedly provided on the upper end of the rotating shaft, a centrifugal tank is fixedly provided on the No. 1 mounting seat, a No. 2 bracket is fixedly provided on the No. 1 mounting seat, a No. 1 guide rod is fixedly provided on the No. 1 guide rod, a cover plate is provided on the movable sleeve, a No. 1 electric push rod is fixedly provided on the No. 2 bracket, and the output end of the No. 1 electric push rod is fixedly provided on the No. 1 mounting seat. On the cover plate, the scraper assembly is fixedly arranged on the lower surface of the cover plate, and the drive assembly is fixedly arranged on the No. 1 bracket; a rotatable scraper is provided, and the scraper is arranged as a controllable lifting structure, and the scraper is placed in the centrifugal tank, and then when cleaning the waste in the centrifugal tank, the scraper is driven to rotate for cleaning processing. The existing centrifugal regeneration mechanism for casting self-hardening sand machinery has insufficient centrifugal force generated by the current structural method to effectively separate the self-hardening sand particles when the density of the self-hardening sand particles and the impurity particles is similar, resulting in poor separation efficiency, and some impurity particles have strong adhesion and are easily attached to the inner wall of the centrifuge, affecting the separation effect. Summary of the Invention

[0004] The object of the present invention is to provide a centrifugal regeneration mechanism for a self-hardening sand casting machine to solve the problems mentioned in the above background technology.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a centrifugal regeneration mechanism for a self-hardening sand casting machine, comprising: a working platform, a controller, a hopper, a regeneration device, a distributor, a conveyor, a material elevator and a crusher; the controller is arranged on the left side of the top of the working platform; the hopper is installed on the inner top of the working platform; the regeneration device is arranged on the middle inner side of the working platform; the distributor is arranged on the inner bottom of the working platform, and the distributor is electrically connected to the controller; the conveyor is installed at the bottom end of the distributor, the conveyor and the distributor are connected, and the conveyor is electrically connected to the controller; the material elevator is installed on the right side of the outside of the working platform, the material elevator discharge port and the hopper feed port are connected, and the material elevator is electrically connected to the controller; the crusher is installed on the right side of the outside of the material elevator, the crusher discharge port and the material elevator feed port are connected, and the crusher is electrically connected to the controller.

[0006] Preferably, the regeneration device includes: a base frame, a bottom hopper, a spring seat, a cylinder shell, a first rotating shaft, an eccentric wheel, a first motor, a mounting frame and a centrifugal component; the base frame is fixedly mounted above the inner middle opening of the working platform; the bottom hopper is arranged above the base frame; the number of the spring seats is several, and the several spring seats are arranged at the top end of the base frame at intervals along the circumferential direction, and the top end of the spring seat is connected to the lower surface of the bottom hopper; the cylinder shell is arranged in the middle of the inner cavity of the bottom hopper along the left and right directions, and the right side of the cylinder shell The outside of the bottom bucket is extended from the external opening of the bottom bucket; the first rotating shaft is connected to the left side of the inner cavity of the cylinder shell through a bearing in the left and right directions; the number of the eccentric wheels is several, and the several eccentric wheels are installed at intervals on the outer wall of the first rotating shaft; the first motor is installed on the right side of the bottom bucket, the rotating end of the first motor extends into the inner cavity of the cylinder shell and is connected to the right end of the axis of the first rotating shaft, and the first motor and the controller are electrically connected; the support frame is installed above the inner cavity of the bottom bucket; the centrifugal component is installed at the top of the bottom bucket.

[0007] Preferably, the centrifugal component includes: a centrifugal component housing, a feed pipe, a telescopic connecting pipe, a second motor, a screen cylinder and a dispersion unit; the centrifugal component housing is fixedly installed on the outer side of the top end of the bottom hopper in the up-down direction, and the bottom end of the inner cavity of the centrifugal component housing is communicated with the inner cavity of the bottom hopper; the feed pipe is arranged at the top of the centrifugal component housing, and the bottom end of the feed pipe is communicated with the top end of the inner cavity of the centrifugal component housing; one end of the telescopic connecting pipe is installed at the top of the feed pipe, and the other end of the telescopic connecting pipe is connected to the discharge port of the hopper; the second motor is installed on the rear side of the top end of the centrifugal component housing, the rotating end of the second motor extends into the inner cavity of the centrifugal component housing, and the second motor is electrically connected to the controller; the screen cylinder is installed in the inner cavity of the centrifugal component housing in the up-down direction; the dispersion unit is arranged at the top of the inner cavity of the screen cylinder.

[0008] Preferably, the centrifugal component also includes: a second rotating shaft, a transmission belt assembly, a mounting bracket, a scraper, a base plate, a connecting seat and a first electric telescopic rod; the second rotating shaft is arranged below the dispersion unit in the up and down directions; one end of the transmission belt assembly is mounted on the top of the axis of the second rotating shaft, and the other end of the transmission belt assembly is connected to the rotating end of the second motor; there are two mounting brackets, and the two mounting brackets are respectively mounted on the upper and lower sides of the outer wall of the second rotating shaft; there are several scrapers, and several scrapers are mounted on the outer sides of the upper and lower second rotating shafts at intervals along the circumference; the base plate is arranged below the inner cavity of the screen drum; there are two connecting seats, and the two connecting seats are respectively mounted on the middle and rear sides of the bottom end of the base plate; there are two first electric telescopic rods, and the two first electric telescopic rods are respectively mounted on the middle and rear sides of the top of the support bracket, the telescopic ends of the first electric telescopic rod are respectively rotatably connected to the inner sides of the front and rear connecting seats by pins, and the first electric telescopic rod is electrically connected to the controller.

[0009] Preferably, the scraper is arranged in an inclined spiral.

[0010] The transmission gear of the present invention is a gear selected from the group consisting of a first motor, a second motor, and a second motor connected to the transmission gear of the present invention.

[0011] Preferably, the dispersion unit includes: a third rotating shaft, a connecting frame, a rotating seat, a second electric telescopic rod, a rotating rod and a roller; the third rotating shaft is rotatably connected to the middle part of the inner cavity of the shell in the left and right directions through a bearing; the number of the connecting frames is two, and one end of the two connecting frames is fixedly mounted on the left and right sides of the outer wall of the third rotating shaft, and the outer ends of the two fixed frames are fixedly connected to the inner wall of the centrifugal component shell; the number of the rotating seats is two, and the two rotating seats are respectively arranged at the left and right ends of the front side of the bottom end of the inner cavity of the shell in the front-to-back direction; the number of the second electric telescopic rods is two, and the two second electric telescopic rods are respectively arranged at the top of the rotating ends of the two rotating seats, and the rear sides of the telescopic ends of the left and right second electric telescopic rods are respectively rotatably connected to the inner sides of the other ends of the left and right connecting frames through pins, and the second electric telescopic rod is electrically connected to the controller; the number of the rotating rods is two, and one end of the two rotating rods is respectively fixedly mounted on the left and right sides of the middle part of the outer wall of the third rotating shaft; the number of the rollers is two, and the two rollers are respectively rotatably connected to the outer sides of the other ends of the two rotating rods through pins.

[0012] Preferably, the second electric telescopic rod drives the connecting frame by intermittently extending and shortening itself, so that the connecting frame drives the third rotating shaft to rotate intermittently, and drives the rotating rod to drive the roller to swing under the lifting frame, so as to drive the lifting frame with the cooperation of the roller to make the lifting frame reciprocate.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. The third motor drives the rotating shaft table under the transmission of the transmission gear group to drive the conical plate to rotate at high speed. The second electric telescopic rod intermittently extends and shortens itself to drive the connecting frame. The connecting frame drives the third rotating shaft to rotate intermittently clockwise or counterclockwise, and drives the rotating rod to drive the roller to swing up and down under the lifting frame. The lifting frame is driven by the cooperation of the roller. The lifting frame reciprocates up and down, so that the lifting frame drives the conical plate to move up and down at its own high-speed rotation under the cooperation of the rotating shaft table. The self-hardening sand inside the screen cylinder first falls on the surface of the conical plate. The centrifugal force generated by the rotation of the conical plate surface quickly throws the self-hardening sand out. Due to the different centrifugal forces exerted on different substances inside the self-hardening sand, their movement trajectories are different. The heavier sand particles will be thrown to the outer side of the inner wall of the screen cylinder, and the lighter impurities and dust will be thrown to the inside of the screen cylinder near the center.

[0015] 2. The second motor drives the second rotating shaft to rotate under the drive of the transmission belt assembly, and the second rotating shaft drives the outer scraper to move circumferentially with the cooperation of the mounting frame. The self-hardening sand is thrown to the outer wall of the screen cylinder under the action of the centrifugal force generated by the rotation of the scraper, and the self-hardening sand and the internal mesh of the screen cylinder produce impact and friction, so that the resin film on the surface of the self-hardening sand falls off and achieves the purpose of regeneration. The lightweight resin film is crushed into granular powder under the action of the impact force and passes through the screen cylinder into the bottom hopper. The first motor drives the first rotating shaft to drive the eccentric wheel to vibrate eccentrically inside the cylinder shell, and then the bottom hopper drives the centrifugal component to vibrate with the cooperation of the spring seat, so that the granular powder on the inner wall of the bottom hopper is discharged into the distributor for storage.

[0016] In summary, the present invention optimizes its internal structure to ensure that sand particles and impurity particles can be effectively separated, which can effectively improve the separation efficiency of the casting self-hardening sand centrifugal regeneration machine and reduce the problem of impurity particles adhering to the inner wall, thereby improving the quality of regenerated sand and the operating efficiency of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 It is a structural schematic diagram of the present invention.

[0019] Figure 2 for Figure 1 Exploded view of the regeneration device.

[0020] Figure 3 for Figure 2 Exploded diagram of the centrifugal components.

[0021] Figure 4 for Figure 3 Enlarged view of point A.

[0022] Figure 5 for Figure 3 Exploded diagram of dispersed units.

[0023] Figure 6 for Figure 5 Enlarged view of point B.

[0024] Figure: 1, working platform; 2, controller; 3, hopper; 4, regeneration device; 41, base frame; 42, bottom compartment; 43, spring seat; 44, cylinder shell; 45, first rotating shaft; 46, eccentric wheel; 47, first motor; 48, support frame; 5, centrifugal component; 51, centrifugal component shell; 52, feed pipe; 53, telescopic connecting pipe; 54, second motor; 55, screen drum; 56, second rotating shaft; 57, transmission belt assembly; 58, mounting frame; 59, scraper; 5 10. Base plate; 511. Connecting seat; 512. First electric telescopic rod; 6. Dispersion unit; 61. Housing; 62. Fixing frame; 63. Insertion tube; 64. Lifting frame; 65. Rotating shaft platform; 66. Conical plate; 67. Third motor; 68. Transmission gear set; 69. Third rotating shaft; 610. Connecting frame; 611. Rotating seat; 612. Second electric telescopic rod; 613. Rotating rod; 614. Roller; 7. Distributor; 8. Conveyor; 9. Material elevator; 10. Crusher. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below through embodiments and in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0026] See also Figures 1-6The present invention provides a technical solution: a centrifugal regeneration mechanism for a self-hardening sand casting machine, comprising: a working platform 1, a controller 2, a hopper 3, a regeneration device 4, a distributor 7, a conveyor 8, a material elevator 9 and a crusher 10; the controller 2 is arranged on the left side of the top of the working platform 1, and the controller 2 is controlled manually by the staff or through an internal logic program according to actual needs; the hopper 3 is installed on the inner top of the working platform 1, and the hopper 3 is internally installed with a quantitative discharging device according to actual needs to realize the quantitative discharge of materials; the regeneration device 4 is arranged in the middle of the inner side of the working platform 1; the distributor 7 is arranged at the inner bottom of the working platform 1, the distributor 7 and the controller 2 are electrically connected, the distributor 7 is controlled by the controller 2, and the distributor 7 can classify and store the materials inside it in different spaces and then discharge them in sequence; the conveyor 8 is installed at the bottom end of the distributor 7, and the conveyor 8 and the distributor 7 are connected The conveyor 8 is connected, the conveyor 8 is electrically connected to the controller 2, the conveyor 8 is controlled by the controller 2, and the conveyor 8 can lift and transport the material inside itself; the material hoist 9 is installed on the right side of the outside of the working platform 1, the material hoist 9 discharge port and the hopper 3 feed port are connected, the material hoist 9 is electrically connected to the controller 2, and the material hoist 9 is controlled by the controller 2, and the material hoist 9 can lift and transport the material inside itself; the crusher 10 is installed on the right side of the outside of the material hoist 9, the crusher 10 discharge port and the material hoist 9 feed port are connected, the crusher 10 is electrically connected to the controller 2, and the crusher 10 is controlled by the controller 2, and the crusher 10 can crush the self-hardening yarn material inside itself, and remove large metal parts such as gates, risers, etc. and hard impurities in the self-hardening sand to ensure that the size of the crushed sand particles is more uniform, which helps to improve the effect of centrifugal separation.

[0027] In a further embodiment, Figure 2As shown, the regeneration device 4 includes: a base frame 41, a bottom compartment 42, a spring seat 43, a cylinder shell 44, a first rotating shaft 45, an eccentric wheel 46, a first motor 47, a support frame 48 and a centrifugal component 5; the base frame 41 is fixedly installed above the inner middle opening of the working platform 1; the bottom compartment 42 is arranged above the base frame 41, and a discharge port is provided at the bottom of the bottom compartment 42; there are a plurality of spring seats 43, and a plurality of spring seats 43 are arranged at the top of the base frame 41 at intervals along the circumferential direction, and the top of the spring seat 43 is connected to the lower surface of the bottom compartment 42; the cylinder shell 44 is arranged in the middle of the inner cavity of the bottom compartment 42 in the left and right directions, and the right side of the cylinder shell 44 is connected to the bottom compartment 42. The external opening extends out of the bottom compartment 42; the first rotating shaft 45 is connected to the left side of the inner cavity of the cylindrical shell 44 through a bearing in the left and right directions; there are several eccentric wheels 46, and several eccentric wheels 46 are installed at intervals on the outer wall of the first rotating shaft 45; the first motor 47 is installed on the right side of the bottom compartment 42, and the rotating end of the first motor 47 extends into the inner cavity of the cylindrical shell 44 and is connected to the right end of the axis of the first rotating shaft 45. The first motor 47 is electrically connected to the controller 2, and the first motor 47 is controlled by the controller 2. The first motor 47 can drive the first rotating shaft 45 to rotate; the support frame 48 is installed above the inner cavity of the bottom compartment 42; the centrifugal component 5 is installed at the top of the bottom compartment 42.

[0028] In a further embodiment, Figure 3 and Figure 4As shown, the centrifugal component 5 includes: a centrifugal component housing 51, a feed pipe 52, a telescopic connecting pipe 53, a second motor 54, a screen drum 55, a dispersion unit 6, a second rotating shaft 56, a transmission belt assembly 57, a mounting frame 58, a scraper 59, a bottom plate 510, a connecting seat 511 and a first electric telescopic rod 512; the centrifugal component housing 51 is fixedly installed on the top outer side of the bottom compartment 42 in the up and down directions, and the bottom end of the inner cavity of the centrifugal component housing 51 is communicated with the inner cavity of the bottom compartment 42; the feed pipe 52 is arranged on the top of the centrifugal component housing 51, and the bottom end of the feed pipe 52 is communicated with the top end of the inner cavity of the centrifugal component housing 51; one end of the telescopic connecting pipe 53 is installed It is installed on the top of the feed pipe 52, and the other end of the telescopic connecting pipe 53 is connected to the discharge port of the hopper 3. The telescopic connecting pipe 53 can maintain the connection state with the hopper 3 during the up and down vibration of the centrifugal component housing 51; the second motor 54 is installed on the top rear side of the centrifugal component housing 51, and the rotating end of the second motor 54 extends into the inner cavity of the centrifugal component housing 51. The second motor 54 is electrically connected to the controller 2, and the second motor 54 is controlled by the controller 2. The second motor 54 drives the pulley on one side of the transmission belt assembly 57 to rotate; the screen drum 55 is installed in the inner cavity of the centrifugal component housing 51 along the up and down directions; the dispersion unit 6 is arranged on the inner cavity top of the screen drum 55 The second rotating shaft 56 is arranged below the dispersion unit 6 in the up-down direction; one end of the transmission belt assembly 57 is mounted on the top of the axis of the second rotating shaft 56, and the other end of the transmission belt assembly 57 is connected to the rotating end of the second motor 54. The transmission belt assembly 57 adopts a structure in which the transmission belt is sleeved on the outside of the pulleys on both sides, and plays a transmission role between the second motor 54 and the second rotating shaft 56; the number of mounting brackets 58 is two, and the two mounting brackets 58 are respectively mounted on the upper and lower sides of the outer wall of the second rotating shaft 56; the number of scrapers 59 is several, and the several scrapers 59 are mounted on the outer sides of the upper and lower second rotating shafts 56 at intervals along the circumferential direction, and the scrapers 59 are arranged in an inclined spiral; The base plate 510 is arranged below the inner cavity of the screen cylinder 55; there are two connecting seats 511, and the two connecting seats 511 are respectively installed at the middle part and rear side of the bottom end of the base plate 510; there are two first electric telescopic rods 512, and the two first electric telescopic rods 512 are respectively installed at the middle part and rear side of the top end of the support frame 48, and the telescopic ends of the first electric telescopic rod 512 are respectively connected to the inner sides of the front and rear connecting seats 511 through pin shafts, and the first electric telescopic rod 512 is electrically connected to the controller 2. The first electric telescopic rod 512 is controlled by the controller 2, and the first electric telescopic rod 512 drives the connecting seat 511 to move up and down by its own extension and contraction.

[0029] In a further embodiment, Figure 5 and Figure 6As shown, the dispersion unit 6 includes: a shell 61, a fixed frame 62, an insert 63, a lifting frame 64, a rotating shaft platform 65, a conical plate 66, a third motor 67, a transmission gear set 68, a third rotating shaft 69, a connecting frame 610, a rotating seat 611, a second electric telescopic rod 612, a rotating rod 613 and a roller 614; the shell 61 is arranged above the inner cavity of the centrifugal component shell 51, and the top end of the second rotating shaft 56 is rotatably connected to the middle part of the bottom end of the shell 61 through a bearing; the number of the fixed frames 62 is two, and the two fixed frames 62 are respectively installed on the front and rear sides of the outer wall of the shell 61, and the outer ends of the two fixed frames 62 are fixedly connected to the inner wall of the centrifugal component shell 51; the insert 63 There are four of them, and the four inserts 63 are respectively arranged at the four corners of the bottom end of the inner cavity of the shell 61; the lifting frame 64 is inserted into the top of the inner cavity of the four inserts 63, and the lifting frame 64 can move up and down at the top of the inner cavity of the inserts 63; the rotating shaft platform 65 is rotatably connected to the middle of the top of the lifting frame 64 through a bearing; the conical plate 66 is arranged on the top of the rotating shaft platform 65; the third motor 67 is installed at the rear opening of the lifting frame 64 through a bracket, the third motor 67 is electrically connected to the controller 2, the third motor 67 is controlled by the controller 2, and the third motor 67 can drive the gear on one side of the transmission gear set 68 to rotate; one end of the transmission gear set 68 is keyed to the outer wall of the rotating shaft platform 65, and the transmission gear set 68 The other end is connected to the top of the rotating end of the third motor 67, and the transmission gear set 68 is set with gears meshing on both sides; the third rotating shaft 69 is rotatably connected to the middle of the inner cavity of the shell 61 through the bearing in the left and right directions; the number of connecting frames 610 is two, and one end of the two connecting frames 610 is fixedly mounted on the left and right sides of the outer wall of the third rotating shaft 69, and the outer ends of the two fixing frames 62 are fixedly connected to the inner wall of the centrifugal component shell 51; the number of rotating seats 611 is two, and the two rotating seats 611 are respectively arranged at the left and right ends of the front side of the bottom end of the inner cavity of the shell 61 in the front-to-back direction; the number of second electric telescopic rods 612 is two, and the two second electric telescopic rods 612 are respectively arranged at two At the top of the rotating end of the rotating base 611, the rear sides of the telescopic ends of the left and right second electric telescopic rods 612 are respectively rotatably connected to the inner sides of the other ends of the left and right connecting frames 610 through pins. The second electric telescopic rods 612 are electrically connected to the controller 2. The second electric telescopic rods 612 are controlled by the controller 2. The second electric telescopic rods 612 drive one end of the connecting frame 610 to move by their own extension and contraction; there are two rotating rods 613, one end of which is fixedly mounted on the left and right sides of the middle of the outer wall of the third rotating shaft 69; there are two rollers 614, which are respectively rotatably connected to the outer sides of the other ends of the two rotating rods 613 through pins.

[0030] Here’s how it works:

[0031] Step 1: The external conveying device feeds the used self-hardening sand into the crusher 10. The staff controls the controller 2 to start the crusher 10 and the material elevator 9. The crusher 10 performs impact crushing on the self-hardening sand inside itself. The crushed self-hardening sand is discharged into the feeding port of the material elevator 9. The material elevator 9 lifts the self-hardening sand inside and conveys it to the hopper 3. The hopper 3 discharges a certain amount of the self-hardening sand inside itself into the screen drum 55 through the telescopic connecting pipe 53 and the second motor 54.

[0032] Step 2: The staff controls the controller 2 to start the third motor 67, the second electric telescopic rod 612, the second motor 54 and the first motor 47. The third motor 67 drives the gear on one side of the transmission gear set 68 to rotate, and then drives the rotating shaft platform 65 to drive the conical plate 66 to rotate at high speed under the transmission of the transmission gear set 68. The second electric telescopic rod 612 drives the connecting frame 610 by intermittently extending and shortening itself, so that the connecting frame 610 drives the third rotating shaft 69 to rotate intermittently clockwise or counterclockwise, and drives The rotating rod 613 drives the roller 614 to swing up and down under the lifting frame 64, so as to drive the lifting frame 64 under the cooperation of the roller 614, so that the lifting frame 64 reciprocates up and down, and the lifting frame 64 drives the conical plate 66 to move up and down while rotating at high speed under the cooperation of the rotating shaft platform 65. The self-hardening sand inside the screen drum 55 first falls on the surface of the conical plate 66, so that the centrifugal force generated by the rotation of the conical plate 66 quickly throws the self-hardening sand out. Due to the different centrifugal forces on different materials inside the self-hardening sand, it The movement trajectories of the two are different. The heavier sand particles will be thrown to the outer side of the inner wall of the screen drum 55, and the lighter impurities and dust will be thrown to the inner side of the screen drum 55 near the center. The second motor 54 drives the pulley on one side of the transmission belt assembly 57 to rotate. Under the drive of the transmission belt assembly 57, the second rotating shaft 56 is driven to rotate, and the second rotating shaft 56 drives the outer scraper 59 to move circumferentially with the cooperation of the mounting frame 58. The self-hardening sand is thrown to the outer wall of the screen drum 55 under the action of the centrifugal force generated by the rotation of the scraper 59. The sand impacts and rubs against the mesh inside the screen drum 55, causing the resin film on the surface of the self-hardening sand to fall off and achieve the purpose of regeneration. The lightweight resin film is crushed into granular powder under the action of the impact force and passes through the screen drum 55 into the bottom hopper 42. The first motor 47 drives the first rotating shaft 45 to drive the eccentric wheel 46 to vibrate eccentrically inside the cylinder shell 44, thereby causing the bottom hopper 42 to vibrate with the cooperation of the spring seat 43, so that the granular powder on the inner wall of the bottom hopper 42 is discharged into the inside of the distributor 7 for storage;

[0033] Step 3: The staff controls the controller 2 to start the first electric telescopic rod 512, the distributor 7 and the conveyor 8. The first electric telescopic rods 512 on the front and rear sides are shortened to drive the bottom plate 510 to move downward with the cooperation of the connecting seat 511. The bottom plate 510 releases the seal on the bottom of the inner cavity of the screen cylinder 55. The rear first electric telescopic rod 512 is extended to drive the bottom plate 510 with the cooperation of the rear connecting seat 511, so that the bottom plate 510 is tilted with the front connecting seat 511 as the axis. The self-hardening sand on the surface of the bottom plate 510 is poured into the bottom hopper 42 and discharged into the distributor 7 through the bottom hopper 42. The distributor 7 discharges the internal impurities and self-hardening sand into the conveyor 8 in turn, and discharges them to the outside under the lifting of the conveyor 8.

[0034] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A centrifugal regeneration mechanism for self-hardening sand casting machinery, characterized in that: include: A working platform (1), a controller (2), a hopper (3), a regeneration device (4), a distributor (7), a conveyor (8), a material elevator (9) and a crusher (10); the controller (2) is arranged on the left side of the top of the working platform (1), the hopper (3) is installed on the inner top of the working platform (1), the regeneration device (4) is arranged in the middle of the inner side of the working platform (1), the distributor (7) is arranged at the inner bottom of the working platform (1), the distributor (7) and the controller (2) are electrically connected, and the conveyor (8) is installed on the distributor (7) ), the conveyor (8) and the distributor (7) are connected, the conveyor (8) and the controller (2) are electrically connected, the material elevator (9) is installed on the right side of the outside of the working platform (1), the discharge port of the material elevator (9) and the feed port of the hopper (3) are connected relative to each other, the material elevator (9) and the controller (2) are electrically connected, the crusher (10) is installed on the right side of the outside of the material elevator (9), the discharge port of the crusher (10) and the feed port of the material elevator (9) are connected relative to each other, and the crusher (10) and the controller (2) are electrically connected; The regeneration device (4) comprises: A base frame (41) is fixedly mounted above the inner middle opening of the working platform (1); A bottom hopper (42) is arranged above the base frame (41); A spring seat (43), wherein the number of the spring seats (43) is plural, and the plural spring seats (43) are arranged at intervals along the circumferential direction on the top end of the base frame (41), and the top end of the spring seat (43) is connected to the lower surface of the bottom compartment (42); A cylindrical shell (44) is arranged in the middle of the inner cavity of the bottom hopper (42) along the left-right direction, and the right side of the cylindrical shell (44) extends from the outer opening of the bottom hopper (42) to the outside of the bottom hopper (42); A first rotating shaft (45) is rotatably connected to the left side of the inner cavity of the cylindrical shell (44) via a bearing in a left-right direction; Eccentric wheels (46), the number of the eccentric wheels (46) is multiple, and the multiple eccentric wheels (46) are installed at intervals on the outer wall of the first rotating shaft (45); A first motor (47) is installed on the right side of the bottom compartment (42), the rotating end of the first motor (47) extends into the inner cavity of the cylindrical shell (44) and is connected to the right end of the axis of the first rotating shaft (45), and the first motor (47) is electrically connected to the controller (2); A support frame (48) is mounted above the inner cavity of the bottom hopper (42); A centrifugal component (5) is mounted on the top of the bottom hopper (42); The centrifugal component (5) comprises: A centrifugal component housing (51) is fixedly mounted on the outer side of the top end of the bottom compartment (42) in the up-down direction, and the bottom end of the inner cavity of the centrifugal component housing (51) is communicated with the inner cavity of the bottom compartment (42); A feed pipe (52) is provided at the top of the centrifugal component housing (51), and the bottom end of the feed pipe (52) is connected to the top end of the inner cavity of the centrifugal component housing (51); A telescopic connecting pipe (53), one end of which is mounted on the top of the feed pipe (52), and the other end of which is connected to the discharge port of the hopper (3); a second motor (54) mounted on the rear side of the top end of the centrifugal component housing (51), a rotating end of the second motor (54) extending into the inner cavity of the centrifugal component housing (51), and the second motor (54) being electrically connected to the controller (2); A screen cylinder (55) is installed in the inner cavity of the centrifugal component housing (51) in the vertical direction; a dispersion unit (6), arranged at the top of the inner cavity of the screen cylinder (55); A second rotating shaft (56) is arranged below the dispersion unit (6) in the up-down direction; A transmission belt assembly (57), one end of which is mounted on the top end of the axis of the second rotating shaft (56), and the other end of the transmission belt assembly (57) is connected to the rotating end of the second motor (54); A mounting frame (58), wherein the number of the mounting frames (58) is two, and the two mounting frames (58) are respectively mounted on the upper and lower sides of the outer wall of the second rotating shaft (56); Scrapers (59), the number of the scrapers (59) is several, and the scrapers (59) are installed at intervals along the circumferential direction on the outer sides of the upper and lower second rotating shafts (56); A bottom plate (510) is arranged below the inner cavity of the screen cylinder (55); A connecting seat (511), wherein the number of the connecting seats (511) is two, and the two connecting seats (511) are respectively installed at the middle portion and the rear side of the bottom end of the bottom plate (510); A first electric telescopic rod (512), the number of the first electric telescopic rod (512) is two, the two first electric telescopic rods (512) are respectively installed at the top middle part and the rear side of the support frame (48), the telescopic ends of the first electric telescopic rod (512) are respectively rotatably connected to the inner sides of the front and rear connecting seats (511) through pin shafts, and the first electric telescopic rod (512) is electrically connected to the controller (2).

2. A centrifugal regeneration mechanism for self-hardening sand casting machinery according to claim 1, characterized in that: The scraper (59) is arranged in an inclined spiral.

3. A centrifugal regeneration mechanism for self-hardening sand casting machinery according to claim 2, characterized in that: The dispersion unit (6) comprises: A housing (61) is disposed above the inner cavity of the centrifugal component housing (51), and the top end of the second rotating shaft (56) is rotatably connected to the middle portion of the bottom end of the housing (61) via a bearing; A fixing frame (62), wherein the number of the fixing frames (62) is two, and the two fixing frames (62) are respectively mounted on the front and rear sides of the outer wall of the housing (61), and the outer ends of the two fixing frames (62) are fixedly connected to the inner wall of the centrifugal component housing (51); Insertion tubes (63), the number of the insertion tubes (63) is four, and the four insertion tubes (63) are respectively arranged at the four corners of the bottom end of the inner cavity of the shell (61); A lifting frame (64) is inserted into the top of the inner cavity of the four inserts (63); A rotating shaft platform (65) is rotatably connected to the middle of the top end of the lifting frame (64) via a bearing; A conical plate (66) is arranged on the top of the rotating shaft platform (65); A third motor (67) is mounted on the rear opening of the lifting frame (64) via a bracket, and the third motor (67) is electrically connected to the controller (2); A transmission gear set (68) has one end key-connected to the outer wall of the rotating shaft platform (65), and the other end of the transmission gear set (68) is connected to the top of the rotating end of the third motor (67).

4. A centrifugal regeneration mechanism for self-hardening sand casting machinery according to claim 3, characterized in that: The dispersion unit (6) further comprises: A third rotating shaft (69) is rotatably connected to the middle portion of the inner cavity of the housing (61) via a bearing in a left-right direction; Connecting frames (610), the number of the connecting frames (610) is two, and one end of the two connecting frames (610) is fixedly mounted on the left and right sides of the outer wall of the third rotating shaft (69); A rotating seat (611), wherein the number of the rotating seats (611) is two, and the two rotating seats (611) are respectively arranged at the left and right ends of the front side of the bottom end of the inner cavity of the shell (61) along the front-to-back direction; a second electric telescopic rod (612), the number of the second electric telescopic rod (612) being two, the two second electric telescopic rods (612) being respectively arranged at the top of the rotating end of the two rotating seats (611), the rear sides of the telescopic ends of the left and right second electric telescopic rods (612) being respectively rotatably connected to the inner sides of the other ends of the left and right connecting frames (610) via pin shafts, and the second electric telescopic rods (612) being electrically connected to the controller (2); Rotating rods (613), the number of the rotating rods (613) is two, and one end of the two rotating rods (613) is fixedly mounted on the left and right sides of the middle of the outer wall of the third rotating shaft (69); The rollers (614) are two in number, and the two rollers (614) are rotatably connected to the outer sides of the other ends of the two rotating rods (613) via pins.

5. A centrifugal regeneration mechanism for self-hardening sand casting machinery according to claim 4, characterized in that: The second electric telescopic rod (612) drives the connecting frame (610) by intermittently extending and shortening itself, so that the connecting frame (610) drives the third rotating shaft (69) to rotate intermittently, and drives the rotating rod (613) to drive the roller (614) to swing under the lifting frame (64), so as to drive the lifting frame (64) with the cooperation of the roller (614) to make the lifting frame (64) reciprocate.

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