Positioning device for mechanical casting production and positioning method thereof

Abstract

The invention belongs to the technical field of casting machining equipment, and discloses a positioning device for mechanical casting production and a positioning method.The positioning device comprises a first conveying belt, the first conveying belt is installed at the top of a first conveying frame, a first rotating shaft is arranged in the first conveying belt, and one end of the first rotating shaft is connected with a first motor; a positioning assembly is arranged at the top end of the first conveying belt and comprises a first positioning plate arranged at the top end of the first conveying belt, one end of the first positioning plate is rotationally connected with the first conveying frame, a second positioning plate is hinged to the other end of the first positioning plate, and a positioning side plate is arranged on one side of the second positioning plate. The positioning side plate is fixedly installed at the top end of the first conveying frame, in the production and conveying process of mechanical castings, the mechanical castings are positioned through the positioning side plate, the first positioning plate and the second positioning plate, it can be ensured that the castings occupy the correct positions on the machining platform, and therefore machining errors are avoided, and the precision and quality of casting machining are improved.

Description

Technical Field

[0001] The invention belongs to the technical field of casting processing equipment, and in particular relates to a positioning device and a positioning method for mechanical casting production. Background Art

[0002] Mechanical castings are metal parts manufactured through casting processes. These parts play a vital role in various mechanical equipment and are key components to ensure the normal operation and performance of the equipment. In the production process of mechanical castings, castings usually need to go through a series of complex processing procedures, including but not limited to casting, cooling, cleaning, heat treatment, machining, etc. Between these processing procedures, the transmission of castings is an indispensable link, and conveyor belts, as an efficient transmission tool, have been widely used in modern manufacturing.

[0003] However, in the actual production process, due to the various design shapes of castings, some of which are designed to be round. When these round castings are placed on a conveyor belt for transmission, due to the characteristics of their shape, they are prone to rolling or sliding during transportation, resulting in position deviation, which ultimately affects the subsequent processing quality of the castings. Summary of the invention

[0004] The object of the present invention is to provide a positioning device and a positioning method for mechanical casting production to solve the problems raised in the above background technology.

[0005] In order to achieve the above-mentioned object, the present invention provides the following technical solution: a positioning device for mechanical casting production, comprising a first conveyor belt, the first conveyor belt is installed on the top of a first conveyor frame, a first rotating shaft is arranged inside the first conveyor belt, one end of the first rotating shaft is connected to a first motor, and a positioning assembly is arranged at the top of the first conveyor belt;

[0006] Among them, the positioning assembly includes a first positioning plate arranged at the top end of the first conveyor belt, one end of the first positioning plate is rotatably connected to the first conveyor frame, the other end of the first positioning plate is hinged to the second positioning plate, one side of the second positioning plate is provided with a positioning side plate, the positioning side plate is fixedly installed on the top end of the first conveyor frame, and the side wall of the positioning side plate is provided with a deceleration assembly.

[0007] As a further technical solution of the present invention, the side walls of the second positioning plate and the positioning side plate are both rotatably connected with balls via a second rotating shaft, and the balls are evenly distributed.

[0008] As a further technical solution of the present invention, a liquid storage cavity is provided inside the second positioning plate and the positioning side plate.

[0009] As a further technical solution of the present invention, one side of the second positioning plate is rotatably connected to a first threaded rod, one end of the first threaded rod is fixedly installed with a rotating block, the outer wall of the first threaded rod is threadedly connected to a fixed plate, and the fixed plate is fixedly installed on the top of the first conveying frame.

[0010] As a further technical solution of the present invention, the deceleration assembly includes a buffer ring arranged on the side wall of the positioning side plate, the buffer ring is rotatably connected to the positioning side plate through a third rotating shaft, a pulley group is arranged on the top of the third rotating shaft, a fourth rotating shaft is installed on the end of the pulley group away from the third rotating shaft, a first gear is fixedly connected to the bottom end of the fourth rotating shaft, a second gear is meshedly connected to one side of the first gear, a fifth rotating shaft is fixedly installed to the bottom end of the second gear, a first bevel gear is fixedly installed to the bottom end of the fifth rotating shaft, a second bevel gear is meshedly connected to one side of the first bevel gear, and the second bevel gear is fixedly installed at one end of the first rotating shaft.

[0011] As a further technical solution of the present invention, two second conveyor belts are arranged at one end of the first conveyor belt, and a second conveyor frame is installed on one side of the two second conveyor belts.

[0012] As a further technical solution of the present invention, a connecting plate is fixedly installed on the top of the two second conveying frames, a slider is embedded inside the two connecting plates, one end of the two sliders is fixedly connected to a guide plate, and the guide plate is arranged above the second conveyor belt.

[0013] As a further technical solution of the present invention, a damper is provided at the bottom end of the slider, and the interior of the slider is slidably connected to a limit shaft, and the limit shaft is fixedly installed inside the connecting plate.

[0014] As a further technical solution of the present invention, a second threaded rod is connected to the internal thread of the bottom end of one of the second conveying frames, and a second motor is installed at one end of the second threaded rod.

[0015] A positioning method for a positioning device for mechanical casting production, comprising the following steps:

[0016] S1: During the production and transportation of mechanical castings, the castings are placed on the top of the first conveyor belt, and the first motor drives the first rotating shaft to rotate, driving the first conveyor belt to work and transport the castings. At the same time, the rotation of the first rotating shaft drives the rotation of the second bevel gear, the rotation of the second bevel gear drives the rotation of the first bevel gear, the rotation of the first bevel gear drives the rotation of the fifth rotating shaft, the rotation of the fifth rotating shaft drives the rotation of the second gear, the rotation of the second gear drives the rotation of the first gear, the rotation of the first gear drives the rotation of the fourth rotating shaft, the rotation of the fourth rotating shaft drives the rotation of the third rotating shaft through the pulley group, the rotation of the third rotating shaft drives the rotation of the buffer ring, and when the buffer ring rotates out from the inside of the positioning side plate, it contacts the mechanical casting at the top of the first conveyor belt to prevent the castings from piling up;

[0017] S2: During the movement, the casting moves toward the second positioning plate through the guidance of the positioning side plate and the first positioning plate, and the friction force is reduced through the second rotating shaft during the movement;

[0018] S3: When the casting is transported by the first conveyor belt and moves to one side of the second conveyor belt, it is guided and buffered by the guide plate and moves to the top of the second conveyor belt. Since the head of the casting is heavier than the tail and there is a certain gap between the two second conveyor belts, the tail will tilt to one side between the two second conveyor belts, so that the head of the casting hangs on the top of the two second conveyor belts and moves, which is convenient for subsequent grabbing of the mechanical casting for processing.

[0019] The beneficial effects of the present invention are as follows:

[0020] 1. The present invention arranges the positioning assembly. During the production and transportation of mechanical castings, the castings are placed on the top of the first conveyor belt. The first motor drives the first rotating shaft to rotate, driving the first conveyor belt to work and convey the castings. During the movement, the castings are guided by the positioning side plates and the first positioning plate to move toward the second positioning plate. Thus, when the top of the first conveyor belt moves, the castings are positioned, ensuring that the castings occupy the correct position on the processing platform, thereby avoiding processing errors and improving the accuracy and quality of casting processing.

[0021] 2. The present invention arranges a reduction assembly. During the process of conveying castings, the rotation of the first rotating shaft drives the rotation of the second bevel gear, the rotation of the second bevel gear drives the rotation of the first bevel gear, the rotation of the first bevel gear drives the rotation of the fifth rotating shaft, the rotation of the fifth rotating shaft drives the rotation of the second gear, the rotation of the second gear drives the rotation of the first gear, the rotation of the first gear drives the rotation of the fourth rotating shaft, the rotation of the fourth rotating shaft drives the rotation of the third rotating shaft via the pulley group, the rotation of the third rotating shaft drives the rotation of the buffer ring, when the buffer ring rotates out from the inside of the positioning side plate, it contacts the mechanical casting at the top end of the first conveyor belt to prevent casting accumulation, so as to ensure that the material on the first conveyor belt can move smoothly, avoid conveying interruption caused by accumulation, and thus improve production efficiency.

[0022] 3. The present invention arranges two second conveyor belts. When the casting is conveyed by the first conveyor belt, it moves to the top of the second conveyor belt. Since the head of the casting is heavier than the tail and there is a certain gap between the two second conveyor belts, the tail will tilt to one side between the two second conveyor belts, so that the head of the casting hangs on the top of the two second conveyor belts and moves. Through the suspension transmission method, it is convenient to grab the mechanical casting for subsequent processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 It is a schematic cross-sectional view of the overall structure of the present invention;

[0025] Figure 3 For the present invention Figure 2 A schematic diagram of the structure enlargement in the middle;

[0026] Figure 4 For the present invention Figure 2 A magnified schematic diagram of the structure at B in the middle;

[0027] Figure 5 It is a schematic cross-sectional view of the structure of the first conveying frame of the present invention;

[0028] Figure 6 For the present invention Figure 5 A magnified schematic diagram of the structure at C in the middle;

[0029] Figure 7 It is a schematic diagram of the structure of the buffer ring of the present invention.

[0030] In the figure: 1, the first conveyor belt; 2, the first conveyor frame; 3, the first rotating shaft; 4, the first motor; 5, the first positioning plate; 6, the second positioning plate; 7, the fixed plate; 8, the first threaded rod; 9, the rotating block; 10, the positioning side plate; 11, the ball; 12, the second rotating shaft; 13, the liquid storage chamber; 14, the buffer ring; 15, the third rotating shaft; 16, the pulley group; 17, the fourth rotating shaft; 18, the first gear; 19, the second gear; 20, the fifth rotating shaft; 21, the first bevel gear; 22, the second bevel gear; 24, the second conveyor belt; 25, the second conveyor frame; 26, the guide plate; 27, the slider; 28, the damper; 29, the limit shaft; 30, the connecting plate; 31, the second threaded rod; 32, the second motor. DETAILED DESCRIPTION

[0031] 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 described embodiments 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.

[0032] like Figures 1 to 7 As shown, in the embodiment of the present invention, a positioning device for mechanical casting production includes a first conveyor belt 1, the first conveyor belt 1 is installed on the top of a first conveyor frame 2, a first rotating shaft 3 is arranged inside the first conveyor belt 1, one end of the first rotating shaft 3 is connected to a first motor 4, and a positioning assembly is arranged at the top of the first conveyor belt 1;

[0033] Among them, the positioning assembly includes a first positioning plate 5 arranged at the top end of the first conveyor belt 1, one end of the first positioning plate 5 is rotatably connected to the first conveyor frame 2, the other end of the first positioning plate 5 is hinged with a second positioning plate 6, and a positioning side plate 10 is arranged on one side of the second positioning plate 6. The positioning side plate 10 is fixedly installed on the top end of the first conveyor frame 2, and the side wall of the positioning side plate 10 is provided with a deceleration assembly.

[0034] During the production and transportation of mechanical castings, the castings are placed on the top of the first conveyor belt 1, and the first rotating shaft 3 is driven to rotate by the first motor 4, thereby driving the first conveyor belt 1 to work and transport the castings. During the movement, the castings are guided by the positioning side plates 10 and the first positioning plate 5 to move toward the second positioning plate 6, so that when the top of the first conveyor belt 1 moves, it is positioned to ensure that the castings occupy the correct position on the processing platform, thereby avoiding processing errors and improving the accuracy and quality of casting processing.

[0035] like Figures 1 to 3 As shown, the side walls of the second positioning plate 6 and the positioning side plate 10 are both rotatably connected with balls 11 via a second rotating shaft 12, and the balls 11 are evenly distributed.

[0036] During the conveying process of the mechanical casting, the outer wall of the casting contacts the second rotating shaft 12, which reduces the friction coefficient between the two, thereby reducing the wear caused by friction.

[0037] like Figure 3 As shown, a liquid storage cavity 13 is formed inside the second positioning plate 6 and the positioning side plate 10 .

[0038] The liquid storage chamber 13 contains lubricating liquid;

[0039] During the rotation of the second rotating shaft 12 , the second rotating shaft 12 rotates to take away a portion of the lubricating liquid, thereby reducing the friction between the second rotating shaft 12 and the casting, so as to ensure the stability and reliability of the conveying process.

[0040] like Figure 1 and Figure 2 As shown, one side of the second positioning plate 6 is rotatably connected to the first threaded rod 8, one end of the first threaded rod 8 is fixedly installed with a rotating block 9, the outer wall of the first threaded rod 8 is threadedly connected to a fixing plate 7, and the fixing plate 7 is fixedly installed on the top of the first conveying frame 2.

[0041] When processing castings of different sizes, the first threaded rod 8 is rotated by rotating the rotating block 9. The rotation of the first threaded rod 8 drives the second positioning plate 6 to move, so that the second positioning plate 6 moves toward or away from the positioning side plate 10 to adapt to castings of different sizes, thereby improving the adaptability of the device.

[0042] like Figure 1 , Figure 2 , Figure 5 , Figure 6 and Figure 7 As shown, the deceleration assembly includes a buffer ring 14 arranged on the side wall of the positioning side plate 10, the buffer ring 14 is rotatably connected to the positioning side plate 10 through a third rotating shaft 15, a pulley group 16 is arranged at the top of the third rotating shaft 15, a fourth rotating shaft 17 is installed at one end of the pulley group 16 away from the third rotating shaft 15, a first gear 18 is fixedly connected to the bottom end of the fourth rotating shaft 17, a second gear 19 is meshedly connected to one side of the first gear 18, a fifth rotating shaft 20 is fixedly installed to the bottom end of the second gear 19, a first bevel gear 21 is fixedly installed to the bottom end of the fifth rotating shaft 20, a second bevel gear 22 is meshedly connected to one side of the first bevel gear 21, and the second bevel gear 22 is fixedly installed at one end of the first rotating shaft 3.

[0043] The buffer ring 14 is configured as a rubber ring, which has good elasticity and buffering performance and can absorb and disperse impact energy during contact with the casting;

[0044] In the process of conveying castings, the rotation of the first rotating shaft 3 drives the rotation of the second bevel gear 22, the rotation of the second bevel gear 22 drives the rotation of the first bevel gear 21, the rotation of the first bevel gear 21 drives the rotation of the fifth rotating shaft 20, the rotation of the fifth rotating shaft 20 drives the rotation of the second gear 19, the rotation of the second gear 19 drives the rotation of the first gear 18, the rotation of the first gear 18 drives the rotation of the fourth rotating shaft 17, the rotation of the fourth rotating shaft 17 drives the third rotating shaft 15 to rotate via the pulley group 16, the rotation of the third rotating shaft 15 drives the rotation of the buffer ring 14, when the buffer ring 14 rotates out from the inside of the positioning side plate 10, it contacts the mechanical casting at the top of the first conveyor belt 1 to prevent casting accumulation, so as to ensure that the material on the first conveyor belt 1 can move smoothly, avoid transportation interruption caused by accumulation, and thus improve production efficiency.

[0045] like Figure 1 and Figure 2 As shown, two second conveyor belts 24 are arranged at one end of the first conveyor belt 1 , and a second conveyor frame 25 is installed on one side of the two second conveyor belts 24 .

[0046] The second conveyor belt 24 is driven by a built-in motor;

[0047] After the casting is conveyed by the first conveyor belt 1, it moves to the top of the second conveyor belt 24. Since the head of the casting is heavier than the tail and there is a certain gap between the two second conveyor belts 24, the tail will tilt to one side between the two second conveyor belts 24, so that the head of the casting is hung on the top of the two second conveyor belts 24 and moves. Through the suspension transmission method, it is convenient to grab the mechanical casting for subsequent processing.

[0048] like Figure 1 , Figure 2 and Figure 4 As shown, a connecting plate 30 is fixedly installed on the top of the two second conveying frames 25 , and a slider 27 is embedded inside the two connecting plates 30 . One end of the two sliders 27 is fixedly connected to a guide plate 26 , and the guide plate 26 is arranged above the second conveyor belt 24 .

[0049] When the casting is transported by the first conveyor belt 1 and moves to one side of the second conveyor belt 24, it is guided and buffered by the guide plate 26 to move to the top of the second conveyor belt 24, preventing the casting from falling directly from the first conveyor belt 1 to the top of the second conveyor belt 24, causing impact and shaking, thereby improving the stability of the casting during transportation.

[0050] like Figure 4 As shown, a damper 28 is provided at the bottom end of the slider 27 , and a limit shaft 29 is slidably connected inside the slider 27 , and the limit shaft 29 is fixedly installed inside the connecting plate 30 .

[0051] The guide plate 26 can slide up and down a certain distance, and the damper 28 can reduce the shock and buffer the guide plate 26 during the sliding process, so as to further improve the stability of casting conveying.

[0052] like Figure 2 As shown, the inner thread of the bottom end of one of the second conveying racks 25 is connected with a second threaded rod 31 , and a second motor 32 is installed at one end of the second threaded rod 31 .

[0053] When processing castings of different sizes, the second motor 32 is used to start and drive the second threaded rod 31 to rotate. The rotation of the second threaded rod 31 drives the second conveyor frame 25 to move. The movement of the second conveyor frame 25 drives the movement of the second conveyor belt 24, so that the distance between the two second conveyor belts 24 changes, so as to transport castings of different sizes and improve the adaptability of the device.

[0054] A positioning method for a positioning device for mechanical casting production, comprising the following steps:

[0055] S1: During the production and transportation of mechanical castings, the castings are placed on the top of the first conveyor belt 1, and the first motor 4 drives the first rotating shaft 3 to rotate, driving the first conveyor belt 1 to work and transport the castings. At the same time, the rotation of the first rotating shaft 3 drives the rotation of the second bevel gear 22, and the rotation of the second bevel gear 22 drives the rotation of the first bevel gear 21. The rotation of the first bevel gear 21 drives the rotation of the fifth rotating shaft 20. The rotation of the fifth rotating shaft 20 drives the rotation of the second gear 19. The rotation of the second gear 19 drives the rotation of the first gear 18. The rotation of the first gear 18 drives the rotation of the fourth rotating shaft 17. The rotation of the fourth rotating shaft 17 drives the third rotating shaft 15 to rotate through the pulley group 16. The rotation of the third rotating shaft 15 drives the rotation of the buffer ring 14. When the buffer ring 14 rotates out from the inside of the positioning side plate 10, it contacts the mechanical castings at the top of the first conveyor belt 1 to prevent the castings from accumulating.

[0056] S2: During the movement, the casting is guided by the positioning side plate 10 and the first positioning plate 5 to move toward the second positioning plate 6, and the friction force is reduced by the second rotating shaft 12 during the movement;

[0057] S3: When the casting is transported by the first conveyor belt 1 and moves to one side of the second conveyor belt 24, it is guided and buffered by the guide plate 26 and moves to the top of the second conveyor belt 24. Since the head of the casting is heavier than the tail, and there is a certain gap between the two second conveyor belts 24, the tail will tilt to one side between the two second conveyor belts 24, so that the head of the casting is hung on the top of the two second conveyor belts 24 and moves, which is convenient for subsequent grabbing of the mechanical casting for processing.

[0058] Although 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 the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A positioning device for mechanical casting production, comprising a first conveyor belt (1), characterized in that: The first conveyor belt (1) is installed on the top of the first conveyor frame (2), a first rotating shaft (3) is arranged inside the first conveyor belt (1), one end of the first rotating shaft (3) is connected to a first motor (4), and a positioning component is arranged at the top of the first conveyor belt (1); The positioning assembly comprises a first positioning plate (5) arranged at the top end of the first conveyor belt (1), one end of the first positioning plate (5) is rotatably connected to the first conveyor frame (2), the other end of the first positioning plate (5) is hinged with a second positioning plate (6), one side of the second positioning plate (6) is provided with a positioning side plate (10), the positioning side plate (10) is fixedly mounted on the top end of the first conveyor frame (2), and the side wall of the positioning side plate (10) is provided with a deceleration assembly.

2. A positioning device for mechanical casting production according to claim 1, characterized in that: The side walls of the second positioning plate (6) and the positioning side plate (10) are both rotatably connected to balls (11) via a second rotating shaft (12), and the balls (11) are evenly distributed.

3. A positioning device for mechanical casting production according to claim 1, characterized in that: The second positioning plate (6) and the positioning side plate (10) are both provided with a liquid storage cavity (13) therein.

4. A positioning device for mechanical casting production according to claim 1, characterized in that: One side of the second positioning plate (6) is rotatably connected to a first threaded rod (8), one end of the first threaded rod (8) is fixedly mounted with a rotating block (9), the outer wall of the first threaded rod (8) is threadedly connected to a fixing plate (7), and the fixing plate (7) is fixedly mounted on the top of the first conveying frame (2).

5. A positioning device for mechanical casting production according to claim 1, characterized in that: The deceleration assembly comprises a buffer ring (14) arranged on the side wall of the positioning side plate (10); the buffer ring (14) is rotatably connected to the positioning side plate (10) via a third rotating shaft (15); a pulley group (16) is arranged at the top end of the third rotating shaft (15); a fourth rotating shaft (17) is installed at one end of the pulley group (16) away from the third rotating shaft (15); a first gear (18) is fixedly connected to the bottom end of the fourth rotating shaft (17); a second gear (19) is meshedly connected to one side of the first gear (18); a fifth rotating shaft (20) is fixedly installed to the bottom end of the second gear (19); a first bevel gear (21) is fixedly installed to the bottom end of the fifth rotating shaft (20); a second bevel gear (22) is meshedly connected to one side of the first bevel gear (21); and the second bevel gear (22) is fixedly installed at one end of the first rotating shaft (3).

6. A positioning device for mechanical casting production according to claim 1, characterized in that: Two second conveyor belts (24) are arranged at one end of the first conveyor belt (1), and a second conveyor frame (25) is installed on one side of the two second conveyor belts (24).

7. A positioning device for mechanical casting production according to claim 6, characterized in that: A connecting plate (30) is fixedly mounted on the top of each of the two second conveying frames (25), a slider (27) is embedded inside each of the two connecting plates (30), and one end of each of the two sliders (27) is fixedly connected to a guide plate (26), which is arranged above the second conveying belt (24).

8. A positioning device for mechanical casting production according to claim 7, characterized in that: A damper (28) is provided at the bottom end of the slider (27), and a limit shaft (29) is slidably connected inside the slider (27), and the limit shaft (29) is fixedly installed inside the connecting plate (30).

9. A positioning device for mechanical casting production according to claim 6, characterized in that: A second threaded rod (31) is internally threadedly connected to the bottom end of one of the second conveying racks (25), and a second motor (32) is mounted on one end of the second threaded rod (31).

10. A positioning method for a positioning device for mechanical casting production, the method being applicable to a positioning device for mechanical casting production as claimed in claims 1 to 9, characterized in that: The following steps are involved: S1: During the production and transportation of mechanical castings, the castings are placed on the top of the first conveyor belt (1), and the first motor (4) drives the first rotating shaft (3) to rotate, thereby driving the first conveyor belt (1) to work and transport the castings. At the same time, the rotation of the first rotating shaft (3) drives the rotation of the second bevel gear (22), the rotation of the second bevel gear (22) drives the rotation of the first bevel gear (21), the rotation of the first bevel gear (21) drives the rotation of the fifth rotating shaft (20), and the rotation of the fifth rotating shaft (20) drives the rotation of the second bevel gear (22). The second gear (19) is driven to rotate, the rotation of the second gear (19) drives the rotation of the first gear (18), the rotation of the first gear (18) drives the rotation of the fourth rotating shaft (17), the rotation of the fourth rotating shaft (17) drives the rotation of the third rotating shaft (15) through the pulley group (16), the rotation of the third rotating shaft (15) drives the rotation of the buffer ring (14), when the buffer ring (14) rotates out from the inside of the positioning side plate (10), it contacts the mechanical casting at the top end of the first conveyor belt (1) to prevent the casting from accumulating; S2: During the movement, the casting is guided by the positioning side plate (10) and the first positioning plate (5) to move toward the second positioning plate (6), and the friction force is reduced by the second rotating shaft (12) during the movement; S3: When the casting is transported by the first conveyor belt (1) and moves toward one side of the second conveyor belt (24), it is guided and buffered by the guide plate (26) and moves to the top of the second conveyor belt (24). Since the head of the casting is heavier than the tail, and there is a certain gap between the two second conveyor belts (24), the tail will tilt to one side between the two second conveyor belts (24), so that the head of the casting hangs on the top of the two second conveyor belts (24) and moves, which is convenient for subsequent grabbing of the mechanical casting for processing.

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