Efficient core shooter for elevator traction sheave production

Abstract

The efficient core shooter for elevator traction sheave production comprises a fixing base, two modeling blocks and two core shooting covers, the lower ends, located on the front side and the rear side, of the fixing base are each provided with three supporting piles, and the side walls, close to the lower ends, of the multiple supporting piles are fixedly connected with the same supporting base; and a roller conveyor is fixedly erected among the plurality of supporting piles. The material placing table and the rectangular annular seat are in butt joint and positioned, the roller way conveyor can be matched with the material placing table to drive the modeling block to horizontally move, manual operation is not needed, the production efficiency is improved, the hydraulic cylinder drives the core shooting cover to be in butt joint with the modeling block, a buffer spring is matched with a hydraulic buffer to provide buffer protection for the modeling block on the material carrying plate, and the production efficiency is improved. And the negative pressure fan blades are driven by the driving motor to rotate, the core sand excess materials are concentrated in the uncovered transfer box along the rectangular through grooves, the core sand excess materials are conveniently recycled, and core sand raw materials are prevented from being wasted.

Description

Technical Field

[0001] The invention relates to the technical field of core shooting machines, and in particular to a high-efficiency core shooting machine for producing elevator traction wheels. Background Art

[0002] The core shooting machine is a machine that uses the sudden expansion of compressed air to shoot core sand into the core box. The injection molding machine uses compressed air to evenly shoot the molding sand into the sand box for pre-compaction, and then applies pressure for compaction. It can be divided into vertical injection molding machines and horizontal injection molding machines. The molding sand of the vertical injection molding machine can be directly injected into the molding block with a template. The sand mold has high dimensional accuracy, there are cavities on both sides of the sand box, and the productivity is high.

[0003] The existing vertical injection molding machine has the following disadvantages in actual use: 1. It requires the operator to place the molding block with the template directly under the core shooting cover, which is very inconvenient to operate and has low production efficiency; 2. There is a lack of buffer protection structure when the molding block contacts the core shooting cover, and it is easy to be damaged after long-term use; 3. When the core shooting cover is separated from the molding block, core sand residue will be generated, which cannot be recycled in time, wasting core sand raw materials. Now an efficient core shooting machine for elevator traction wheel production is proposed to solve the above problems. Summary of the invention

[0004] In view of the deficiencies and defects in the prior art, the present invention proposes a high-efficiency core shooting machine for elevator traction sheave production, which is used to solve the technical problems raised in the background technology.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A high-efficiency core-shooting machine for elevator traction wheel production comprises a fixed seat, two modeling blocks and two core-shooting covers, the fixed seat is provided with three supporting piles at the lower ends on both sides of the front and rear, a plurality of the supporting piles are fixedly connected to the same supporting seat on the side walls close to the lower ends, a roller conveyor is fixedly mounted between the plurality of supporting piles, two sand boxes are fixedly mounted on the upper end of the fixed seat, the two sand boxes are respectively connected to the two core-shooting covers, the roller conveyor is positioned and clamped with two material placement tables, the upper ends of the two material placement tables are provided with slots, the two slots are provided with buffer mechanisms, the two modeling blocks are respectively inserted in the two slots and in contact with the buffer mechanisms, and a residual material recovery mechanism is provided at the upper end of the support seat facing the two core-shooting covers.

[0006] Preferably, two brackets are fixedly installed on the upper end of the fixed seat, and the two sand boxes are respectively fixedly installed on the two brackets. The lower ends of the two sand boxes are connected with a discharge pipe, and the lower end of the fixed seat is fixedly connected with two discharge hoppers. The lower ends of the two discharge pipes are respectively connected with the two discharge hoppers, and the lower ends of the two discharge hoppers are fixedly connected with a discharge telescopic pipe, and the ends of the two discharge telescopic pipes away from the discharge hoppers are respectively connected with two core shooting covers, and four hydraulic cylinders are fixedly installed on the lower end of the fixed seat surrounding the two discharge hoppers, and the lower ends of the four hydraulic cylinder piston rods on the same side are fixedly connected to the upper end of the core shooting cover.

[0007] Preferably, two rectangular annular seats are placed on the roller conveyor, and the two material loading tables are respectively placed on the upper ends of the two rectangular annular seats, and the lower ends of the two material loading tables on the left and right sides are provided with strip protrusions, and the two rectangular annular seats are respectively inserted between the two strip protrusions on the same side, and grooves are provided on the left and right end side walls of the center position of the two rectangular annular seats, and reset springs are fixedly connected to the relative inner walls of the two grooves, and the ends of the two reset springs away from the inner walls of the grooves are fixedly connected with rectangular blocks, and rectangular openings are provided on the side walls of the two strip protrusions facing the grooves, and the two rectangular blocks are respectively set through the two rectangular openings.

[0008] Preferably, a limiting groove is provided on the bottom of the center position of the groove, and a limiting protrusion is provided at the lower end of the rectangular block close to the reset spring. The limiting protrusion is inserted into the limiting groove and slides against each other, and the inner wall of the limiting groove is connected to the side wall of the rectangular annular seat.

[0009] Preferably, the strip-shaped protrusion is integrally cast with the placing table, and the limiting protrusion is integrally cast with the rectangular clamping block.

[0010] Preferably, the buffer mechanism includes a rectangular slot arranged on the inner walls on the left and right sides of the slot, a loading plate is inserted in the slot, the loading plate passes through the rectangular slots on both sides, the modeling block is placed on the upper end of the loading plate, the side walls of the loading plate are in sliding contact with the inner walls of the rectangular slot, a first rotating joint is provided at the lower end of the center position of the loading plate, a hydraulic buffer is fixedly installed on the bottom of the slot near the four corners, the upper ends of the four hydraulic buffers are fixedly connected to the lower end of the loading plate, two fixed blocks are fixedly connected to the bottom of the center position of the slot, the same fixed rod is fixedly connected to the opposite side walls of the two fixed blocks, two second rotating joints are movably sleeved on the fixed rod, a movable rod is rotatably connected between the two second rotating joints and the first rotating joint, and a buffer spring is fixedly connected to one end of the two second rotating joints away from the movable rod, and the two buffer springs are sleeved on the fixed rod.

[0011] Preferably, the material of the material placement table and the material loading plate are both wear-resistant alloy.

[0012] Preferably, the residual material recovery mechanism includes two material collection troughs fixedly connected to the upper end of the support seat, the two material collection troughs are respectively arranged opposite to the two core shooting covers, the upper ends of the two material collection troughs are fixedly connected to a fixed table, the two fixed tables are provided with two rectangular through grooves, the front and rear inner walls of the two rectangular through grooves on the same side are fixedly connected with support plates, the two support plates are arranged close to the lower end of the fixed table, the upper ends of the center positions of the two support plates are fixedly installed with drive motors, the upper ends of the drive shafts of the two drive motors are fixedly installed with a number of negative pressure blades, and the front inner walls of the two material collection troughs are penetrated by uncovered transfer boxes.

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. By docking the material placement table with the rectangular annular seat, the return spring in the groove on the rectangular annular seat drives the rectangular clamping block to penetrate the rectangular opening, effectively positioning the material placement table on the rectangular annular seat, and placing the modeling block on the loading plate, so that the roller conveyor cooperates with the material placement table to drive the modeling block to move horizontally, without manual operation, thereby improving production efficiency.

[0014] 2. The core shooting cover is driven by the hydraulic cylinder to dock with the molding block, so that the carrier plate moves slowly into the slot along the rectangular slot, and the first rotating joint cooperates with the movable rod to drive the second rotating joint to compress the buffer spring along the fixed rod, so that the buffer spring cooperates with a number of hydraulic buffers to provide buffer protection for the molding block on the carrier plate, avoiding damage to the molding block caused by long-term use and extending the service life of the molding block.

[0015] 3. The driving motor on the support plate in the rectangular slot drives a number of negative pressure blades to rotate, and after the negative pressure blades rotate, the core sand residue is concentrated in the uncovered transfer box along the rectangular slot, so as to facilitate the recovery of the core sand residue and avoid wasting the core sand raw materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A perspective schematic diagram of a high-efficiency core-shooting machine for elevator traction sheave production proposed by the present invention; Figure 2 for Figure 1 A partial enlarged view of the middle A; Figure 3 for Figure 1 A partial enlarged view of point B in the middle; Figure 4 This is a structural schematic diagram of a material placement table of a high-efficiency core shooting machine for elevator traction sheave production proposed by the present invention; Figure 5This is a schematic structural diagram of a rectangular annular seat and a rectangular clamping block of a high-efficiency core-shooting machine for producing an elevator traction sheave proposed by the present invention; Figure 6 The present invention is a schematic structural diagram of a fixed platform of a high-efficiency core-shooting machine for producing elevator traction sheaves.

[0017] In the figure: 1 fixed seat, 2 molding block, 3 core shooting cover, 4 supporting pile, 5 supporting seat, 6 roller conveyor, 7 sand box, 8 placing table, 9 slot, 10 bracket, 11 discharge pipe, 12 discharge hopper, 13 discharge telescopic tube, 14 hydraulic cylinder, 15 rectangular annular seat, 16 strip protrusion, 17 groove, 18 return spring, 19 rectangular block, 20 rectangular opening, 21 limit groove, 22 limit protrusion, 23 rectangular slot, 24 loading plate, 25 first rotating joint, 26 hydraulic buffer, 27 fixed block, 28 fixed rod, 29 second rotating joint, 30 movable rod, 31 buffer spring, 32 collecting trough, 33 fixed table, 34 rectangular through groove, 35 support plate, 36 driving motor, 37 negative pressure fan blade, 38 uncovered transfer box. DETAILED DESCRIPTION

[0018] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0020] Reference Figure 1-6As shown, a high-efficiency core shooting machine for elevator traction wheel production includes a fixed seat 1, two molding blocks 2 and two core shooting covers 3. The fixed seat 1 is provided with three supporting piles 4 at the lower ends on both sides of the front and rear. The side walls of several supporting piles 4 close to the lower ends are fixedly connected to the same supporting seat 5. A roller conveyor 6 is fixedly arranged between the several supporting piles 4. The roller conveyor 6 cooperates with the material placement table 8 to drive the molding block 2 to move horizontally, so as to facilitate the docking of the molding block 2 on the material placement table 8 with the core shooting cover 3. Two sand boxes 7 are fixedly installed on the upper end of the fixed seat 1. The sand boxes 7 are used to store core sand materials. The two sand boxes 7 are connected to the two core shooting covers 3 respectively. Two brackets 10 are fixedly installed on the upper end of the fixed seat 1. The two sand boxes 7 are fixedly installed on the two brackets 10 respectively. The lower ends of the two sand boxes 7 are connected and provided with a discharge pipe 11. Two discharge hoppers 12 are fixedly connected to the lower end of the fixed seat 1, and the lower ends of the two discharge pipes 11 are respectively connected to the two discharge hoppers 12, and the lower ends of the two discharge hoppers 12 are fixedly connected to discharge telescopic pipes 13, and the ends of the two discharge telescopic pipes 13 away from the discharge hoppers 12 are respectively connected to the two core shooting covers 3. The core sand material in the sand box 7 is introduced into the core shooting cover 3 along the discharge pipe 11, the discharge hopper 12 and the discharge telescopic pipe 13, and the core shooting cover 3 shoots the core sand material into the molding block 2. Four hydraulic cylinders 14 are fixedly installed on the fixed seat 1 around the lower ends of the two discharge hoppers 12, and the lower ends of the piston rods of the four hydraulic cylinders 14 on the same side are fixedly connected to the upper end of the core shooting cover 3. Starting the hydraulic cylinder 14 drives the core shooting cover 3 to vertically descend under the limiting action of the discharge telescopic pipe 13 until the core shooting cover 3 is docked with the molding block 2.

[0021] The roller conveyor 6 is positioned and clamped with two material loading platforms 8. Two rectangular annular seats 15 are placed on the roller conveyor 6. The two material loading platforms 8 are respectively placed on the upper ends of the two rectangular annular seats 15. The lower ends of the two material loading platforms 8 on the left and right sides are provided with strip protrusions 16. The two rectangular annular seats 15 are respectively inserted between the two strip protrusions 16 on the same side. Grooves 17 are provided on the left and right end side walls of the center position of the two rectangular annular seats 15. Reset springs 18 are fixedly connected to the opposite inner walls of the two grooves 17. The ends of the two reset springs 18 away from the inner walls of the grooves 17 are fixedly connected with rectangular blocks 19. Rectangular openings 20 are provided on the side walls of the two strip protrusions 16 facing the grooves 17. The two rectangular blocks 19 are respectively arranged to penetrate the two rectangular openings 20. The rectangular blocks 19 are pressed to move along the groove 17 under the limiting action of the limiting protrusions 22 and the limiting grooves 21. And compress the reset spring 18 until the loading platform 8 can be placed on the upper end of the rectangular annular seat 15, so that the rectangular annular seat 15 is inserted between the two strip-shaped protrusions 16, and the compressed reset spring 18 elastically resets and drives the rectangular clamping block 19 to penetrate the rectangular opening 20 on the strip protrusion 16, effectively positioning the loading platform 8 and clamping it on the upper end of the rectangular annular seat 15, and a limiting groove 21 is provided on the bottom of the center position of the groove 17, and a limiting protrusion 22 is provided near the lower end of the rectangular clamping block 19 near the reset spring 18, and the limiting protrusion 22 is inserted in the limiting groove 21 and slidably contacts each other, and the inner wall of the limiting groove 21 is connected with the side wall of the rectangular annular seat 15, the strip-shaped protrusion 16 and the loading platform 8 are integrally cast, and the limiting protrusion 22 and the rectangular clamping block 19 are integrally cast, and the limiting protrusion 22 moves along the limiting groove 21 to facilitate the rectangular clamping block 19 to compress the reset spring 18 in the groove 17.

[0022] The upper ends of the two material placing tables 8 are each provided with a slot 9, and the two slots 9 are each provided with a buffer mechanism. The two modeling blocks 2 are respectively inserted into the two slots 9 and are in contact with the buffer mechanism. The buffer mechanism includes a rectangular slot 23 provided on the inner walls on the left and right sides of the slot 9. A loading plate 24 is inserted into the slot 9. The loading plate 24 penetrates the rectangular slots 23 on both sides. The modeling block 2 is placed on the upper end of the loading plate 24. The side wall of the loading plate 24 is in contact with the inner wall of the rectangular slot 23 in sliding. The lower end of the center position of the loading plate 24 is provided with a first rotating The joint 25, the bottom of the slot 9 near the four corners are fixedly installed with hydraulic buffers 26, the modeling block 2 is placed on the upper end of the carrier plate 24, when the core shooting cover 3 is docked with the modeling block 2, the modeling block 2 is subjected to force to drive the carrier plate 24 to slowly move along the rectangular slot 23 into the slot 9, and the carrier plate 24 compresses the four hydraulic buffers 26 in the slot 9, the upper ends of the four hydraulic buffers 26 are fixedly connected to the lower end of the carrier plate 24, and two fixed blocks 27 are fixedly connected to the bottom of the center position of the slot 9, and the two fixed blocks 27 are The same fixed rod 28 is fixedly connected to the opposite side wall, and two second rotating joints 29 are movably sleeved on the fixed rod 28. A movable rod 30 is rotatably connected between the two second rotating joints 29 and the first rotating joint 25. The ends of the two second rotating joints 29 away from the movable rod 30 are fixedly connected to buffer springs 31. The two buffer springs 31 are sleeved on the fixed rod 28. The loading plate 24 is driven by force to drive the two movable rods 30 on the first rotating joint 25 to rotate, so that the rotation of the two movable rods 30 drives the two second rotating joints 29 to rotate respectively. The movable joint 29 moves along the fixed rod 28, and the two second rotating joints 29 compress the two buffer springs 31 on the fixed rod 28, thereby decomposing the force on the loading plate 24 into the force in the horizontal direction. The buffer spring 31 cooperates with the four hydraulic buffers 26 to provide buffer protection for the modeling block 2 on the loading plate 24, avoiding damage to the modeling block 2 due to long-term use and extending the service life of the modeling block 2. The material of the material placement table 8 and the loading plate 24 are both wear-resistant alloys, and the wear-resistant alloy material placement table 8 and the loading plate 24 have a longer service life.

[0023] A residual material recovery mechanism is provided at the upper end of the support seat 5 facing the two core-shooting covers 3. The residual material recovery mechanism includes two material collection troughs 32 fixedly connected to the upper end of the support seat 5. The two material collection troughs 32 are respectively arranged facing the two core-shooting covers 3. The upper ends of the two material collection troughs 32 are fixedly connected to a fixed platform 33. Two rectangular through grooves 34 are arranged on the two fixed platforms 33. Support plates 35 are fixedly connected to the inner walls of the front and rear sides of the two rectangular through grooves 34 on the same side. The two support plates 35 are arranged close to the lower end of the fixed platform 33. The upper ends of the center positions of the two support plates 35 are fixedly installed with drive motors 36. The two drive motors A plurality of negative pressure blades 37 are fixedly installed on the upper end of the driving shaft 36, and a coverless transfer box 38 is inserted through the front inner wall of the two collecting troughs 32. After the core shooting operation is completed, the hydraulic cylinder 14 is started again to drive the core shooting cover 3 to rise and reset, and the roller conveyor 6 drives the material placement table 8 to move out of the outside of the supporting pile 4, and the driving motor 36 on the support plate 35 in the rectangular through groove 34 is started to drive the plurality of negative pressure blades 37 to rotate, and after the plurality of negative pressure blades 37 rotate, the core sand residue is concentrated along the rectangular through groove 34 in the coverless transfer box 38 in the collecting trough 32, so as to facilitate the recovery of the core sand residue and avoid wasting the core sand raw materials.

[0024] When the present invention is in use, the rectangular clamping block 19 is pressed and moves along the groove 17 under the limiting action of the limiting protrusion 22 and the limiting groove 21 and compresses the reset spring 18 until the material placement table 8 can be placed on the upper end of the rectangular annular seat 15, so that the rectangular annular seat 15 is inserted between the two strip-shaped protrusions 16. The compressed reset spring 18 elastically resets and drives the rectangular clamping block 19 to penetrate the rectangular opening 20 on the strip-shaped protrusion 16, effectively positioning the material placement table 8 at the upper end of the rectangular annular seat 15, placing the molding block 2 on the upper end of the material carrier plate 24, and starting the roller. The conveyor 6 cooperates with the material placement table 8 to drive the molding block 2 to move horizontally to the bottom of the core shooting cover 3, without manual operation, to improve production efficiency, start the hydraulic cylinder 14 to drive the core shooting cover 3 to vertically descend under the limiting action of the discharge telescopic tube 13, until the core shooting cover 3 is docked with the molding block 2, and the core sand material in the sand box 7 is introduced into the core shooting cover 3 along the discharge pipe 11, the discharge hopper 12 and the discharge telescopic tube 13, and the core shooting cover 3 shoots the core sand material into the molding block 2. After the molding block 2 is subjected to force, it drives the loading plate 24 to move slowly along the rectangular slot 23 into the slot 9, and makes The loading plate 24 is subjected to force to drive the two movable rods 30 on the first rotating joint 25 to rotate, so that the rotation of the two movable rods 30 respectively drives the two second rotating joints 29 to move along the fixed rod 28, and the two second rotating joints 29 compress the two buffer springs 31 on the fixed rod 28, thereby decomposing the force on the loading plate 24 into a horizontal force. At the same time, the loading plate 24 is subjected to force to compress the four hydraulic buffers 26 in the slot 9, so that the buffer springs 31 cooperate with the four hydraulic buffers 26 to provide buffering for the molding block 2 on the loading plate 24. Impact protection can be provided to avoid damage to the molding block 2 caused by long-term use, and the service life of the molding block 2 can be extended. After the core shooting operation is completed, the hydraulic cylinder 14 is started again to drive the core shooting cover 3 to rise and reset, and the roller conveyor 6 drives the material placement table 8 to move out of the outside of the support pile 4, and the driving motor 36 on the support plate 35 in the rectangular through groove 34 is started to drive a number of negative pressure blades 37 to rotate, and after the rotation of the several negative pressure blades 37, the core sand residue is concentrated along the rectangular through groove 34 in the uncovered transfer box 38 in the collecting trough 32, so as to facilitate the recovery of the core sand residue and avoid wasting the core sand raw materials.

[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A high-efficiency core shooting machine for elevator traction sheave production, comprising a fixed seat (1), two molding blocks (2) and two core shooting covers (3), characterized in that: The fixing seat (1) is provided with three support piles (4) at the lower ends on both the front and rear sides, and a plurality of the support piles (4) are fixedly connected to the same support seat (5) on the side walls close to the lower ends, and a roller conveyor (6) is fixedly mounted between the plurality of the support piles (4). Two sand boxes (7) are fixedly mounted on the upper end of the fixing seat (1), and the two sand boxes (7) are respectively connected to the two core shooting covers (3). The roller conveyor (6) is positioned and clamped with two material placement tables (8), and the upper ends of the two material placement tables (8) are provided with slots (9), and the two slots (9) are provided with buffer mechanisms. The two molding blocks (2) are respectively inserted into the two slots (9) and are in contact with the buffer mechanisms. A residual material recovery mechanism is provided at the upper end of the support seat (5) facing the two core shooting covers (3).

2. The high-efficiency core shooting machine for elevator traction sheave production according to claim 1, characterized in that: Two brackets (10) are fixedly mounted on the upper end of the fixed seat (1), and the two sand boxes (7) are fixedly mounted on the two brackets (10) respectively. The lower ends of the two sand boxes (7) are both connected to a discharge pipe (11). The lower end of the fixed seat (1) is fixedly connected to two discharge hoppers (12). The lower ends of the two discharge pipes (11) are respectively connected to the two discharge hoppers (12). The lower ends of the two discharge hoppers (12) are both fixedly connected to a discharge telescopic pipe (13). The ends of the two discharge telescopic pipes (13) away from the discharge hopper (12) are respectively connected to the two core shooting covers (3). Four hydraulic cylinders (14) are fixedly mounted on the lower end of the fixed seat (1) surrounding the two discharge hoppers (12), and the lower ends of the piston rods of the four hydraulic cylinders (14) on the same side are fixedly connected to the upper end of the core shooting cover (3).

3. The high-efficiency core shooting machine for elevator traction sheave production according to claim 1, characterized in that: Two rectangular annular seats (15) are placed on the roller conveyor (6), the two material placement platforms (8) are respectively placed on the upper ends of the two rectangular annular seats (15), the lower ends of the two material placement platforms (8) on the left and right sides are provided with strip protrusions (16), the two rectangular annular seats (15) are respectively inserted between the two strip protrusions (16) on the same side, the left and right end side walls of the two rectangular annular seats (15) at the center position are provided with grooves (17), the opposite inner walls of the two grooves (17) are fixedly connected with return springs (18), the ends of the two return springs (18) away from the inner wall of the groove (17) are fixedly connected with rectangular clamping blocks (19), the side walls of the two strip protrusions (16) facing the groove (17) are provided with rectangular openings (20), and the two rectangular clamping blocks (19) are respectively arranged to penetrate the two rectangular openings (20).

4. The high-efficiency core shooting machine for elevator traction sheave production according to claim 3, characterized in that: A limiting groove (21) is provided on the bottom of the center of the groove (17), and a limiting protrusion (22) is provided at the lower end of the rectangular clamping block (19) close to the return spring (18). The limiting protrusion (22) is inserted into the limiting groove (21) and slidably contacts the limiting groove (21), and the inner wall of the limiting groove (21) is connected to the side wall of the rectangular annular seat (15).

5. The high-efficiency core shooting machine for elevator traction sheave production according to claim 4, characterized in that: The strip-shaped protrusion (16) and the material placement platform (8) are integrally cast, and the limiting protrusion (22) and the rectangular clamping block (19) are integrally cast.

6. The high-efficiency core shooting machine for elevator traction sheave production according to claim 1, characterized in that: The buffer mechanism comprises rectangular slots (23) arranged on the inner walls of the left and right sides of the slot (9); a material carrier plate (24) is inserted in the slot (9); the material carrier plate (24) passes through the rectangular slots (23) on both sides; the molding block (2) is placed on the upper end of the material carrier plate (24); the side wall of the material carrier plate (24) is in sliding contact with the inner wall of the rectangular slot (23); a first rotating joint (25) is provided at the lower end of the center of the material carrier plate (24); hydraulic buffers (26) are fixedly installed on the bottom of the slot (9) near the four corners; the upper ends of the four hydraulic buffers (26) are all in contact with the material carrier plate. The lower end of the slot (24) is fixedly connected, two fixed blocks (27) are fixedly connected to the bottom of the center position of the slot (9), the opposite side walls of the two fixed blocks (27) are fixedly connected to the same fixed rod (28), the fixed rod (28) is movably sleeved with two second rotating joints (29), a movable rod (30) is rotatably connected between the two second rotating joints (29) and the first rotating joint (25), and a buffer spring (31) is fixedly connected to one end of the two second rotating joints (29) away from the movable rod (30), and the two buffer springs (31) are sleeved on the fixed rod (28).

7. The high-efficiency core shooting machine for elevator traction sheave production according to claim 6, characterized in that: The material of the material placement platform (8) and the material loading plate (24) are both wear-resistant alloys.

8. The high-efficiency core shooting machine for elevator traction sheave production according to claim 1, characterized in that: The residual material recovery mechanism comprises two material collecting troughs (32) fixedly connected to the upper end of the support seat (5), the two material collecting troughs (32) are respectively arranged opposite to the two core shooting covers (3), the upper ends of the two material collecting troughs (32) are fixedly connected to a fixed platform (33), the two fixed platforms (33) are provided with two rectangular through grooves (34), the front and rear inner walls of the two rectangular through grooves (34) on the same side are fixedly connected to support plates (35), the two support plates (35) are arranged close to the lower end of the fixed platform (33), the upper ends of the center positions of the two support plates (35) are fixedly installed with drive motors (36), the upper ends of the drive shafts of the two drive motors (36) are fixedly installed with a plurality of negative pressure blades (37), and the front inner walls of the two material collecting troughs (32) are penetrated by uncovered transfer boxes (38).

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