Grate casting molding sand regeneration treatment device

Abstract

The invention discloses a grate casting molding sand regeneration treatment device, and relates to the technical field of technical regeneration treatment, the grate casting molding sand regeneration treatment device comprises a regeneration treatment box, an upturning mechanism is arranged in the regeneration treatment box, a driving mechanism is arranged at one end of the regeneration treatment box, and the upturning mechanism comprises a concave seat; and a trapezoidal seat is arranged in the regeneration treatment box. According to the device, sufficient mixing of a hydrolysis and degumming agent in the regeneration treatment box can be accelerated, so that casting molding sand is in sufficient contact with the hydrolysis and degumming agent in the regeneration treatment box, cleaning of the casting molding sand by the hydrolysis and degumming agent is accelerated, binders are prevented from remaining on the surface of the casting molding sand, the regeneration treatment efficiency can be improved, and use of a motor is reduced; and meanwhile, the separation of the binder on the surface of the casting molding sand can be accelerated, the regeneration treatment efficiency is improved, the equipment reliability is improved, the generation of wastes is reduced, and the influence on the environment is prevented.

Description

Technical Field

[0001] The invention relates to the field of waste sand technical regeneration and processing, in particular to a grate casting sand regeneration and processing device. Background Art

[0002] Sand casting refers to a casting method that produces castings in sand molds. Steel, iron and most non-ferrous alloy castings can be obtained by sand casting. With the rapid development of modern industry, the demand for non-ferrous metal and steel castings has increased, and the output of castings in my country has gradually increased. At present, most castings are cast by sand casting, which will produce a large amount of waste sand. Most of these waste sands are attached with invalid or uninvalidated binders and cannot be directly used for secondary casting.

[0003] For example, a waste sand regeneration and processing device disclosed in patent publication number CN110681819A includes a feeding unit, a grinding unit, a screening unit and a supporting unit, wherein the grinding unit includes a grinding barrel, a first grinding disc and a grinding mechanism located in the grinding barrel; a grinding layer is attached to the inner wall of the grinding barrel; the first grinding disc and the grinding mechanism are rotatably connected in the grinding barrel; the grinding mechanism includes an even number of first sliding rods slidably connected to the first grinding discs, and second grinding discs are slidably connected between the two first sliding rods.

[0004] At present, most of the existing foundry sand is discarded except for a small amount of recycling, which not only pollutes the environment but also wastes resources. When the foundry sand is processed, only simple vibration friction is used to remove the coated binder. This method uses more motors, which not only increases economic expenses, but also has low regeneration efficiency, resulting in low recovery efficiency. Therefore, a grate foundry sand regeneration processing device is proposed. Summary of the invention

[0005] The object of the present invention is to provide a grate foundry sand regeneration processing device to solve the problem proposed in the above background technology that most of the existing foundry sand is discarded except for a small amount of recycling, which not only pollutes the environment but also wastes resources. When the foundry sand is processed, the coated binder is removed only by simple vibration friction. This method uses more motors, which not only increases economic expenses, but also has low regeneration efficiency, resulting in low recovery efficiency.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a grate casting sand regeneration and processing device, comprising a regeneration and processing box, a flip-up mechanism is arranged inside the regeneration and processing box, a driving mechanism is arranged at one end of the regeneration and processing box, the flip-up mechanism comprises a concave seat, a trapezoidal seat is arranged inside the regeneration and processing box, two groups of vertical blocks are fixedly installed on the outer wall of the concave seat, frosting strips are fixedly installed on the outer wall of the trapezoidal seat, and there are several groups of frosting strips, the lower ends of the two groups of vertical blocks are fixed to the upper end of the trapezoidal seat, the driving mechanism comprises a protective box, a concave push rod and a guide rail seat, the outer wall of the protective box is fixedly installed with a fixed frame plate, the inner side wall of the fixed frame plate is fixedly installed with a servo motor, and one end of the protective box is penetrated by a matching The cam is secured to the chassis and has a plurality of cams, each of which is secured to a plurality of cams, each of which is secured to a plurality of wheels, each of which is secured to a plurality of wheels respectively. The plurality of wheels have respective opposite ends, each of which is secured to a plurality of wheels respectively. The plurality of wheels have respective opposite ends, each of which is secured to a plurality of wheels respectively. The plurality of wheels have respective opposite ends, each of which is secured to a plurality of wheels respectively.

[0007] Preferably, a discharging mechanism is provided at the lower end of the regeneration processing box, and the discharging mechanism includes four groups of cylinders. Discharging holes are opened through the interior of the regeneration processing box and on both side walls. Sealing plates are provided inside the two groups of discharging holes, and push plates are fixedly installed on the protruding ends of the four groups of cylinders.

[0008] Preferably, one end of the protection box is fixed to the front end of the regeneration treatment box, and fixing rods are fixedly installed at one end of the protection box and near the upper and lower edges.

[0009] Preferably, the front and rear ends of the regeneration treatment box are fixedly mounted with matching slides, and the interiors of the two groups of matching slides are slidably mounted with sliding blocks.

[0010] Preferably, a round hole is penetrated through one end of the two groups of vertical blocks, and a straight rod is slidably installed inside the two groups of round holes.

[0011] Preferably, sealing pad seats are fixedly mounted on the lower ends of the two groups of sealing plates, and the upper ends of the two groups of sealing pad seats are in close contact with the lower end of the regeneration treatment box.

[0012] Preferably, outer walls of the two groups of fixed rods are rotatably mounted with rotating wheels, and the two groups of rotating wheels are respectively located at the upper and lower ends of one of the protruding ends of the concave push rod.

[0013] Preferably, one end of the two groups of sliding blocks are respectively fixed to two ends of the concave seat.

[0014] Preferably, two ends of the two groups of straight rods are respectively fixed to the inner side walls of the regeneration treatment box.

[0015] Preferably, the upper ends of the four groups of push plates are respectively fixed to the lower ends of the two groups of sealing pad seats, and one end of the four groups of cylinders are respectively fixed to the two ends of the regeneration treatment box.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, a driving mechanism and a turning mechanism are provided, and the driving mechanism drives the turning mechanism to move left and right, so that the trapezoidal seat inside the turning mechanism repeatedly moves left and right inside the regeneration treatment box, which can accelerate the full mixing of water and debonding agent inside the regeneration treatment box, so that the foundry sand is fully in contact with the water and debonding agent inside the regeneration treatment box, and the water and debonding agent are accelerated to clean the foundry sand, and the binder is prevented from remaining on the surface of the foundry sand, which can improve the regeneration treatment efficiency, reduce the use of motors, and reduce cost expenditures. At the same time, it can accelerate the separation of the binder on the surface of the foundry sand, improve the regeneration treatment efficiency, and at the same time improve the reliability of the equipment, reduce the generation of waste, and prevent the impact on the environment.

[0017] 2. In the present invention, by providing two groups of sliders and two groups of matching sliding seats, when the concave seat moves left and right, the two groups of sliders will be driven to move left and right inside the two groups of matching sliding seats respectively, which can increase the stability of the concave seat. At the same time, with the cooperation of the two groups of vertical blocks, the two groups of round holes and the two groups of straight rods, when the two groups of vertical blocks move, they will drive the two groups of round holes to slide left and right on the outer walls of the straight rods, thereby increasing the stability of the two groups of vertical blocks when moving.

[0018] 3. In the present invention, by providing a discharge mechanism, with the cooperation of four groups of cylinders, two groups of push plates and two groups of sealing plates, the two groups of sealing plates can be moved out from the inside of the two groups of discharge holes respectively, so that the casting sand inside the regeneration treatment box 1 can be easily pushed out. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A three-dimensional diagram of a grate casting sand regeneration processing device of the present invention; Figure 2 It is a three-dimensional diagram of the turning mechanism and driving mechanism of a grate casting sand regeneration processing device of the present invention; Figure 3 It is a partial structural schematic diagram of a driving mechanism of a grate casting sand regeneration processing device of the present invention; Figure 4 It is a partial stereoscopic diagram of a driving mechanism of a grate casting sand regeneration processing device of the present invention; Figure 5 It is a partial stereoscopic view of a flip-up mechanism of a grate casting sand regeneration and processing device of the present invention; Figure 6 A grate casting sand regeneration processing device of the present invention Figure 2 A magnified detail of the center A; Figure 7 A top view of a grate casting sand regeneration processing device of the present invention; Figure 8 The present invention is a schematic structural diagram of a discharging mechanism of a grate casting sand regeneration processing device.

[0020] In the figure: 1. Regeneration treatment box; 2. Turning mechanism; 21. Concave seat; 22. Trapezoidal seat; 23. Vertical block; 24. Frosted strip; 25. Matching slide seat; 26. Sliding block; 27. Round hole; 28. Straight rod; 3. Driving mechanism; 31. Protection box; 32. Fixed frame plate; 33. Concave push rod; 34. Servo motor; 35. Fixed plate; 351. Fixed rod; 352. Rotating wheel; 36. Matching seat; 37. No. 1 gear; 38. No. 2 gear; 39. Chain; 310. Guide rail seat; 311. Sliding seat; 312. Elliptical hole; 313. Limiting wheel; 314. Connecting block; 4. Discharging mechanism; 41. Cylinder; 42. Discharging hole; 43. Sealing plate; 44. Sealing pad seat; 45. Push plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the implementation regulations described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] Embodiment 1 Reference Figure 1-7As shown: a grate casting sand regeneration and processing device, including a regeneration and processing box 1, the regeneration and processing box 1 is provided with a flip mechanism 2, one end of the regeneration and processing box 1 is provided with a driving mechanism 3, the flip mechanism 2 includes a concave seat 21, the regeneration and processing box 1 is provided with a trapezoidal seat 22, the outer wall of the concave seat 21 is fixedly installed with two groups of vertical blocks 23, the outer wall of the trapezoidal seat 22 is fixedly installed with frosting strips 24, and the frosting strips 24 have a plurality of groups, the lower ends of the two groups of vertical blocks 23 are fixed to the upper end of the trapezoidal seat 22, the driving mechanism 3 includes a protective box 31, a concave push rod 33 and a guide rail seat 310, the protective The outer wall of the box 31 is fixedly installed with a fixed frame plate 32, and the inner side wall of the fixed frame plate 32 is fixedly installed with a servo motor 34. A matching seat 36 is installed through one end of the protective box 31, and a No. 1 gear 37 is rotatably installed on one end of the matching seat 36. A No. 2 gear 38 is fixedly installed on the output end of the servo motor 34, and a chain 39 is meshed on the outside of the No. 1 gear 37. A sliding seat 311 is slidably installed on the outer wall of the guide seat 310, and a fixed plate 35 is fixedly installed on one end of the sliding seat 311. An elliptical hole 312 is opened through one end of the fixed plate 35, and a limited position is slidably installed inside the elliptical hole 312. Wheel 313, one end of the limiting wheel 313 is fixedly installed with a connecting block 314, the other end of the connecting block 314 is fixed to one end of the chain 39, the inner wall of the chain 39 is meshed with the second gear 38, the two ends of the guide rail seat 310 are respectively fixed to the inner side walls of the protection box 31, one of the protruding ends of the concave push rod 33 is fixed to one end of the guide rail seat 310, the other protruding end of the concave push rod 33 is fixed to one end of the concave seat 21, one end of the protection box 31 is fixed to the front end of the regeneration treatment box 1, and a fixing rod is fixedly installed at one end of the protection box 31 and near the upper and lower edges. 351, the front and rear ends of the regeneration treatment box 1 are fixedly installed with matching slide seats 25, and the insides of the two groups of matching slide seats 25 are slidably installed with sliders 26. One ends of the two groups of vertical blocks 23 are penetrated with round holes 27, and the insides of the two groups of round holes 27 are slidably installed with straight rods 28. The outer walls of the two groups of fixed rods 351 are rotatably installed with rotating wheels 352, and the two groups of rotating wheels 352 are respectively located at the upper and lower ends of one of the protruding ends of the concave push rod 33. One ends of the two groups of sliders 26 are respectively fixed to the two ends of the concave seat 21, and the two ends of the two groups of straight rods 28 are respectively fixed to the inner side walls of the regeneration treatment box 1.

[0023] With the cooperation of the flipping mechanism 2 and the driving mechanism 3, the servo motor 34 is started, and the output end of the servo motor 34 drives the second gear 38 to rotate. Under the meshing of the second gear 38, the chain 39 and the first gear 37, the second gear 38 drives the first gear 37 to rotate through the chain 39, and the first gear 37 drives the connecting block 314 on one side to move, and the connecting block 314 drives the sliding seat 311 to move through the fixing plate 35, so that the sliding seat 311 slides to the right on the outer wall of the guide rail seat 310, increasing the stability of the sliding seat 311, and the sliding seat 311 drives the concave push rod 33 fixed thereto to move, and the concave push rod 33 drives the concave push rod 33 fixed thereto to move. The concave seat 21 moves to the right, and the concave seat 21 drives the trapezoidal seat 22 to move to the right together through the two groups of vertical blocks 23, so that the trapezoidal seat 22 moves to the right inside the regeneration treatment box 1, and the foundry sand at the bottom end of the regeneration treatment box 1 can be gradually turned up, so that the foundry sand can be fully contacted with the water and the debonding agent inside the regeneration treatment box 1, and the water and the debonding agent can be accelerated to clean the foundry sand, and the binder can be prevented from remaining on the surface of the foundry sand. The efficiency of the regeneration treatment can be improved, the use of the motor can be reduced, and the cost can be reduced. At the same time, after the connecting block 314 moves from the upper part of the chain 39 to the lower part, the connecting block 314 will move to the inside of the elliptical hole 312 The trapezoidal seat 21 slides downward and pushes the fixing plate 35 to move leftward, thereby repeatedly moving leftward and rightward, so that the trapezoidal seat 22 repeatedly moves leftward and rightward inside the regeneration treatment box 1. When the trapezoidal seat 22 moves, the water and the debonding agent can be fully mixed, and the foundry sand inside the regeneration treatment box 1 can be gradually moved upward, and the foundry sand at the bottom is gradually moved to the top, and then with a plurality of groups of frosting strips 24, the foundry sand and the frosting strips 24 are rubbed, the separation of the binder on the surface of the foundry sand is accelerated, the regeneration treatment efficiency is improved, and the reliability of the equipment is improved, the generation of waste is reduced, and the impact on the environment is prevented. Secondly, the concave seat 21 is moved leftward and rightward, and the water and the debonding agent are fully mixed when the trapezoidal seat 22 moves. The foundry sand inside the regeneration treatment box 1 is gradually moved upward, and the foundry sand at the bottom is gradually moved to the top, and then with a plurality of groups of frosting strips 24, the foundry sand and the frosting strips 24 are rubbed, the separation of the binder on the surface of the foundry sand is accelerated, the regeneration treatment efficiency is improved, and the reliability of the equipment is improved, and the generation of waste is reduced to prevent the impact on the environment. When moving, the concave seat 21 will drive the two groups of sliders 26 to move, so that the two groups of sliders 26 slide inside the two groups of matching sliders 25 respectively, which can increase the stability of the concave seat 21, and under the cooperation of the two groups of round holes 27 and the two groups of straight rods 28, the two groups of vertical blocks 23 slide on the outer walls of the two groups of straight rods 28 through the two groups of round holes 27 when moving, which can increase the stability of the two groups of vertical blocks 23 when moving, and under the cooperation of the two groups of rotating wheels 352 and the concave push rod 33, the concave push rod 33 will move in the middle of the two groups of rotating wheels 352, and the two groups of rotating wheels 352 will guide the concave push rod 33, so that the concave push rod 33 moves more stably.

[0024] Embodiment 2 like Figure 1 , Figure 7 and Figure 8As shown, a discharge mechanism 4 is provided at the lower end of the regeneration treatment box 1, and the discharge mechanism 4 includes four groups of cylinders 41. Discharge holes 42 are provided inside the regeneration treatment box 1 and on both side walls. Sealing plates 43 are provided inside the two groups of discharge holes 42. Push plates 45 are fixedly installed at the protruding ends of the four groups of cylinders 41. Sealing pad seats 44 are fixedly installed at the lower ends of the two groups of sealing plates 43. The upper ends of the two groups of sealing pad seats 44 are in close contact with the lower end of the regeneration treatment box 1. The upper ends of the four groups of push plates 45 are respectively fixed to the lower ends of the two groups of sealing pad seats 44, and one end of the four groups of cylinders 41 is respectively fixed to the two ends of the regeneration treatment box 1. The four groups of cylinders 41 are started to extend downward, and the extended ends of the four groups of cylinders 41 push the push plates 45 fixed thereto to move upward, so that the four groups of push plates 45 drive the two groups of sealing pad seats 44 to move downward, and the two groups of sealing pad seats 44 drive the sealing plates 43 fixed thereto to move downward, and then the two groups of sealing plates 43 are respectively moved out from the inside of the two groups of discharge holes 42, so as to facilitate the pushing out of the casting sand inside the regeneration treatment box 1. At the same time, the four groups of cylinders 41 are started to contract, so that the four groups of cylinders 41 drive the four groups of push plates 45 to move upward through the telescopic ends, and the four groups of push plates 45 drive the two groups of push plates 45 to move upward through the two groups of sealing pad seats 44, so that the two groups of push plates 45 are respectively inserted into the inside of the two groups of discharge holes 42, so that the two groups of discharge holes 42 can be blocked to prevent the water and casting sand inside the regeneration treatment box 1 from flowing out. At the same time, the sealing pad seats 44 set up can further play a sealing effect and strengthen the sealing of the two groups of discharge holes 42.

[0025] The working principle of the present invention is as follows: when in use, first, casting sand is poured into the regeneration treatment box 1, and then water and a disintegrating agent are added into the regeneration treatment box 1. The driving mechanism 3 is operated to drive the turning mechanism 2 to move left and right repeatedly, so as to accelerate the mixing of water and the disintegrating agent. Then, when the servo motor 34 is running, the output end of the servo motor 34 drives the second gear 38 to rotate. Under the meshing of the second gear 38, the chain 39 and the first gear 37, the second gear 38 drives the first gear 37 to rotate through the chain 39, and the first gear 37 drives the connecting block 314 on one side to move, and the connecting block 314 drives the sliding seat 311 to move through the fixing plate 35, so that the sliding seat 311 slides to the right on the outer wall of the guide rail seat 310, thereby increasing the stability of the sliding seat 311, and the sliding seat 311 drives the concave push rod 33 fixed thereto to move, and the concave push rod 33 drives the concave seat 21 fixed thereto to move to the right, and the concave seat 21 drives the trapezoidal seat 22 to move to the right together through the two sets of vertical blocks 23, so that the trapezoidal seat 22 moves to the right inside the regeneration treatment box 1, so that the foundry sand at the bottom end of the regeneration treatment box 1 can be gradually turned over to the top, so that the foundry sand and the water and degumming agent inside the regeneration treatment box 1 can be combined. Full contact, speed up the cleaning of the foundry sand by water and the debonding agent, prevent the foundry sand surface from having adhesive, improve the regeneration processing efficiency, reduce the use of motors, and reduce cost expenditures. At the same time, after the connecting block 314 moves from the upper part of the chain 39 to the lower part, the connecting block 314 will slide downward inside the elliptical hole 312 and push the fixing plate 35 to move leftward, so as to repeatedly move left and right, so that the trapezoidal seat 22 repeatedly moves left and right inside the regeneration processing box 1. When the trapezoidal seat 22 moves, the water and the debonding agent can be fully mixed, and the foundry sand inside the regeneration processing box 1 can be pushed to gradually move upward, and the foundry sand at the bottom is gradually moved to the top, and then cooperate with a plurality of groups of frosting strips 24, so that the foundry sand and the frosting strips 24 are rubbed, so as to accelerate the separation of the adhesive on the surface of the foundry sand, improve the regeneration processing efficiency, and at the same time improve the reliability of the equipment, reduce the generation of waste, and prevent the impact on the environment; Finally, the four groups of cylinders 41 are started to extend downward, and the extended ends of the four groups of cylinders 41 push the push plates 45 fixed thereto to move upward, so that the four groups of push plates 45 drive the two groups of sealing pad seats 44 to move downward, and the two groups of sealing pad seats 44 drive the sealing plates 43 fixed thereto to move downward, and then the two groups of sealing plates 43 are respectively moved out from the inside of the two groups of discharge holes 42, so as to facilitate the pushing out of the casting sand inside the regeneration treatment box 1.

[0026] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A grate casting sand regeneration device, characterized in that: The invention comprises a regeneration treatment box (1), wherein a flip-up mechanism (2) is arranged inside the regeneration treatment box (1), and a driving mechanism (3) is arranged at one end of the regeneration treatment box (1), wherein the flip-up mechanism (2) comprises a concave seat (21), wherein a trapezoidal seat (22) is arranged inside the regeneration treatment box (1), wherein two groups of vertical blocks (23) are fixedly mounted on the outer wall of the concave seat (21), and wherein a frosting strip (24) is fixedly mounted on the outer wall of the trapezoidal seat (22), and wherein the frosting strip (24) comprises a plurality of groups, wherein the two groups The lower ends of the vertical blocks (23) are fixed to the upper ends of the trapezoidal seats (22). The driving mechanism (3) comprises a protective box (31), a concave push rod (33) and a guide rail seat (310). A fixed frame plate (32) is fixedly mounted on the outer wall of the protective box (31). A servo motor (34) is fixedly mounted on the inner side wall of the fixed frame plate (32). A matching seat (36) is installed through one end of the protective box (31). A first gear (37) is rotatably mounted on one end of the matching seat (36). ), a second gear (38) is fixedly mounted on the output end of the servo motor (34), a chain (39) is meshed on the outside of the first gear (37), a sliding seat (311) is slidably mounted on the outer wall of the guide rail seat (310), a fixed plate (35) is fixedly mounted on one end of the sliding seat (311), an elliptical hole (312) is penetrated through one end of the fixed plate (35), a limiting wheel (313) is slidably mounted inside the elliptical hole (312), and the limiting wheel (313) ) is fixedly mounted with a connecting block (314) at one end, the other end of the connecting block (314) is fixed to one end of a chain (39), the inner wall of the chain (39) is meshed with the second gear (38), the two ends of the guide rail seat (310) are respectively fixed to the inner side walls of the protection box (31), one of the protruding ends of the concave push rod (33) is fixed to one end of the guide rail seat (310), and the other protruding end of the concave push rod (33) is fixed to one end of the concave seat (21).

2. A grate casting sand regeneration device according to claim 1, characterized in that: A discharge mechanism (4) is provided at the lower end of the regeneration treatment box (1), and the discharge mechanism (4) includes four groups of cylinders (41). Discharge holes (42) are provided through the interior of the regeneration treatment box (1) and on both side walls. Sealing plates (43) are provided inside the two groups of discharge holes (42). Push plates (45) are fixedly mounted on the protruding ends of the four groups of cylinders (41).

3. The grate casting sand regeneration device according to claim 1, characterized in that: One end of the protection box (31) is fixed to the front end of the regeneration treatment box (1), and a fixing rod (351) is fixedly installed at one end of the protection box (31) and near the upper and lower edges.

4. The grate casting sand regeneration device according to claim 1, characterized in that: The front and rear ends of the regeneration treatment box (1) are both fixedly mounted with matching slide seats (25), and sliding blocks (26) are slidably mounted inside the two sets of matching slide seats (25).

5. The grate casting sand regeneration device according to claim 1, characterized in that: One end of the two groups of vertical blocks (23) is penetrated by a circular hole (27), and a straight rod (28) is slidably installed inside the two groups of circular holes (27).

6. The grate casting sand regeneration device according to claim 2, characterized in that: The lower ends of the two groups of sealing plates (43) are fixedly mounted with sealing pad seats (44), and the upper ends of the two groups of sealing pad seats (44) are in close contact with the lower end of the regeneration treatment box (1).

7. The grate casting sand regeneration device according to claim 3, characterized in that: The outer walls of the two sets of fixed rods (351) are both rotatably mounted with rotating wheels (352), and the two sets of rotating wheels (352) are respectively located at the upper and lower ends of one of the protruding ends of the concave push rod (33).

8. The grate casting sand regeneration device according to claim 4, characterized in that: One end of the two groups of sliding blocks (26) are respectively fixed to two ends of the concave seat (21).

9. The grate casting sand regeneration device according to claim 5, characterized in that: The two ends of the two groups of straight rods (28) are respectively fixed to the inner side walls of the regeneration treatment box (1).

10. The grate casting sand regeneration device according to claim 6, characterized in that: The upper ends of the four groups of push plates (45) are respectively fixed to the lower ends of the two groups of sealing pad seats (44), and one end of the four groups of cylinders (41) are respectively fixed to the two ends of the regeneration treatment box (1).

Images