Core making equipment capable of conveying and discharging

Abstract

The invention relates to the technical field of core-making machines, and discloses a core-making device capable of conveying discharged materials, the core-making device comprises a base and a conveying assembly, one end of the top of the base is fixedly connected with a side plate, one side of the side plate is provided with a core-making machine assembly, the core-making machine assembly comprises a core shooter body, and the core shooter body is slidably connected to one side of the side plate; an upper connecting shell is fixedly connected to the bottom end of the core shooter body, an upper mold is clamped to the bottom end of the upper connecting shell, and a spraying head of the core shooter body communicates with the upper mold. Under the action of the spring, the lower plate moves upwards, so that the lower ejector pin is driven to move downwards, the core mold is jacked upwards, the core mold is separated from the lower mold, then the inner electric push rod drives the lower upper plate to move downwards, the upper ejector pin is driven to move downwards, and the core mold is pushed down from the interior of the upper mold. And therefore, discharging in a falling mode is facilitated, and the moving and transferring effect of the core mold is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of core-making machines, and particularly to a core-making device capable of conveying and discharging materials. Background Art

[0002] In the foundry industry, core molds are required for the casting of pipe fittings. The quality of the core mold determines the casting quality of the pipe fittings. Existing core molds are generally sand core molds. The raw material cost of sand core molds is relatively low, and they can be reused. Most of the existing ones use coated sand to make core molds through core-making equipment.

[0003] Among them, through retrieval, a Chinese patent with the publication number CN117753931A discloses a core-making device. The above patent realizes the function of core mold movement and transfer with the structural scheme of a robotic arm. However, since the core mold is easily stuck on the lower mold, it is not convenient for the core mold to be discharged in a falling manner, resulting in poor movement and transfer effects of the core mold. Therefore, for the progress of the industry technology, to better realize the core mold manufacturing and transfer function and improve the core technology competitiveness, the present application proposes a new implementation scheme different from the structural and application modes of the existing core-making devices. Summary of the Invention

[0004] (I) Technical Problems to be Solved

[0005] Aiming at the deficiencies of the existing technology, the present invention provides a core-making device capable of conveying and discharging materials, mainly to solve the problem that in the process of using the existing core-making device, the core mold is easily stuck on the lower mold, resulting in inconvenient discharging of the core mold in a falling manner and poor movement and transfer effects of the core mold.

[0006] (II) Technical Solutions

[0007] To achieve the above object, the present invention provides the following technical solutions:

[0008] A core-making device capable of conveying blanking comprises a base and a conveying assembly, wherein one end of the top of the base is fixedly connected to a side plate, a core-making machine assembly is provided on one side of the side plate, the core-making machine assembly comprises a core-shooting machine body, the core-shooting machine body is slidably connected to one side of the side plate, the bottom end of the core-shooting machine body is fixedly connected to an upper connecting shell, the bottom end of the upper connecting shell is clamped with an upper mold, the injection head of the core-shooting machine body is connected to the upper mold, the outer walls on both sides of the upper connecting shell are fixedly connected to pressing plates, the top of the base is fixedly connected to a lower connecting shell, the top end of the lower connecting shell is clamped with a lower mold, a plurality of inner electric push rods are fixedly connected to the top inner wall of the upper connecting shell, the bottom ends of the plurality of inner electric push rods are fixedly connected to the upper plate together, and a plurality of upper ejectors are fixedly connected to the bottom of the upper plate The other end of the upper ejector pin is slidably plugged into the upper mold, and a plurality of guide rods are fixedly plugged between the top inner wall and the bottom inner wall of the lower connecting shell. A spring is sleeved on the outer wall of the guide rod, and a lower plate is slidably sleeved between the plurality of guide rods. The top of the spring is fixedly connected to the bottom of the lower plate, and a plurality of lower ejectors are fixedly connected to the top of the lower plate. The top of the lower ejector pin is slidably plugged into the lower mold. A plurality of sliding plates are fixedly connected to both ends of the bottom of the lower plate, and the bottom end of the pressing plate contacts the sliding plate. A plurality of guide grooves are provided at both ends of the lower connecting shell, and the sliding plate slides in the guide grooves. A fixed seat is fixedly connected to the top of the base, and a support seat is fixedly connected to the top of the fixed seat. A slider is slidably connected to the bottom inner wall of the support seat, and a transmission assembly is arranged on the top of the slider.

[0009] Furthermore, the transmission assembly includes a connecting plate, which is fixed to the top of the slider by bolts. Two rotating shafts are laterally rotatably plugged into the top of the connecting plate. The outer wall keys of the rotating shafts are connected to multiple pulleys. Multiple belts are transmission-connected between the pulleys of the two rotating shafts, and a sponge belt is bonded to the outer surface of the belt.

[0010] On the basis of the above-mentioned solution, a side motor is fixedly connected to the top of the connecting plate, and an output end of the side motor is fixedly connected to one end of one of the rotating shafts.

[0011] As a further solution of the present invention, a lower motor is fixedly connected to the outer wall of one end of the support seat, and the output end of the lower motor is connected to a threaded rod through a coupling. The other end of the threaded rod is rotatably connected to the inner wall of one side of the support seat, and the slider is threadedly sleeved on the threaded rod.

[0012] Furthermore, a plurality of support columns are fixedly connected to the top of the connection plate, and the top ends of the plurality of support columns are commonly fixedly connected to a limiting cover, and a sponge pad is bonded to the inner side of the limiting cover.

[0013] On the basis of the above-mentioned scheme, the top of the connecting plate is rotatably connected to a plurality of supporting wheels, and the supporting wheels are located in the middle of the belt.

[0014] As a further solution of the present invention, a plurality of hydraulic cylinders are fixedly connected to the top of the base, and one end of the hydraulic rod of the hydraulic cylinder is fixedly connected to the core shooter body.

[0015] Furthermore, a moving assembly is provided on the top of the fixing seat. The moving assembly includes a supporting shell, which is fixed to the top of the fixing seat by bolts. The inner wall of the bottom of the supporting shell is fixedly connected with an inner motor. The output end of the inner motor is connected with a rotating column through a coupling. The rotating column is rotatably inserted into the top of the supporting shell. The top end of the rotating column is fixedly connected with a vertical electric push rod. The top end of the vertical electric push rod is fixedly connected with a horizontal electric push rod. One end of the horizontal electric push rod is fixedly connected with a supporting plate, and a plurality of inserting rods are fixedly connected to one side of the supporting plate.

[0016] (III) Beneficial effects

[0017] Compared with the prior art, the present invention provides a core-making device capable of conveying and discharging materials, and has the following

[0018] beneficial effects:

[0019] 1. Under the action of the spring, the lower plate moves upward, thereby driving the lower ejector pin to move downward, and further causing the core mold to be jacked up, so that the core mold is separated from the lower mold. Then, under the drive of the inner electric push rod, the upper plate moves downward, thereby driving the upper ejector pin to move downward, and further pushing the core mold out of the upper mold, so as to facilitate discharging in a falling manner and improve the moving and transporting effect of the core mold.

[0020] 2. Driven by the hydraulic cylinder, the core shooter body moves, thereby driving the upper connecting shell and the upper mold to move, and further realizing the combination and separation of the upper mold and the lower mold, which is convenient and fast.

[0021] 3. Driven by the side motor, the rotating shaft rotates, thereby driving the belt pulley to rotate, and further driving the belt to rotate, so as to convey the core mold away for subsequent processing.

[0022] 4. Driven by the horizontal electric push rod, the inserting rods are inserted into the gaps between the plurality of belts. Then, driven by the vertical electric push rod, the core mold is lifted upward to be separated from the belt. Then, driven by the inner motor, the moving assembly rotates, and further rotates the core mold to the direction of the workbench, so as to place the core mold on the workbench for processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 FIG. 1 is a schematic three-dimensional structure diagram of Embodiment 1 of a core-making device capable of conveying and discharging materials according to the present invention;

[0024] Figure 2 FIG. 2 is a schematic non-sectional structure diagram inside the upper connecting shell of Embodiment 1 of a core-making device capable of conveying and discharging materials according to the present invention;

[0025] Figure 3 Schematic cross-sectional structure diagram of the interior of the lower connecting shell of Embodiment 1 of a core-making device capable of conveying and discharging materials proposed by the present invention;

[0026] Figure 4 Schematic cross-sectional structure diagram of the closed state of the upper mold and the lower mold of Embodiment 1 of a core-making device capable of conveying and discharging materials proposed by the present invention;

[0027] Figure 5 Schematic partial three-dimensional structure diagram of Embodiment 1 of a core-making device capable of conveying and discharging materials proposed by the present invention;

[0028] Figure 6 Schematic three-dimensional structure diagram of the conveying assembly of Embodiment 1 of a core-making device capable of conveying and discharging materials proposed by the present invention;

[0029] Figure 7 Schematic three-dimensional structure diagram of Embodiment 2 of a core-making device capable of conveying and discharging materials proposed by the present invention;

[0030] Figure 8 Schematic three-dimensional structure diagram of the moving assembly of Embodiment 2 of a core-making device capable of conveying and discharging materials proposed by the present invention.

[0031] In the figure: 1. Base; 2. Side plate; 3. Core-making machine assembly; 301. Core shooter body; 302. Upper connecting shell; 303. Upper mold; 304. Lower connecting shell; 305. Lower mold; 4. Pressing plate; 5. Inner electric push rod; 6. Upper plate; 7. Upper ejector pin; 8. Guide rod; 9. Spring; 10. Lower plate; 11. Lower ejector pin; 12. Sliding plate; 13. Guide groove; 14. Fixed seat; 15. Support seat; 16. Slide block; 17. Conveying assembly; 1701. Connecting plate; 1702. Rotating shaft; 1703. Belt pulley; 1704. Belt; 1705. Sponge belt; 18. Threaded rod; 19. Lower motor; 20. Side motor; 21. Support column; 22. Limiting cover; 23. Sponge pad; 24. Support wheel; 25. Hydraulic cylinder; 26. Moving assembly; 2601. Supporting shell; 2602. Rotating column; 2603. Vertical electric push rod; 2604. Horizontal electric push rod; 2605. Support plate; 2606. Insert rod; 27. Inner motor. Detailed implementation manners

[0032] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0033] Embodiment 1

[0034] Referring to Figures 1 - 6 , a core-making device capable of transporting and discharging materials, comprising a base 1 and a conveying assembly 17. One end of the top of the base 1 is welded with a side plate 2. A core-making machine assembly 3 is arranged on one side of the side plate 2. The core-making machine assembly 3 includes a core shooter body 301. The core shooter body 301 is slidably connected to one side of the side plate 2. The bottom end of the core shooter body 301 is fixed with an upper connecting shell 302 by bolts. The bottom end of the upper connecting shell 302 is clamped with an upper mold 303. The injection head of the core shooter body 301 is communicated with the upper mold 303. Pressure plates 4 are fixed to the outer walls on both sides of the upper connecting shell 302 by bolts. A plurality of hydraulic cylinders 25 are fixed to the top of the base 1 by bolts. One end of the hydraulic rod of the hydraulic cylinder 25 is fixedly connected to the core shooter body 301. A lower connecting shell 304 is fixed to the top of the base 1 by bolts. The top end of the lower connecting shell 304 is clamped with a lower mold 305. Driven by the hydraulic cylinder 25, the core shooter body 301 moves, thereby driving the upper connecting shell 302 and the upper mold 303 to move, and further realizing the combination and separation of the upper mold 303 and the lower mold 305;

[0035] A plurality of inner electric push rods 5 are fixed to the inner wall of the top of the upper connecting shell 302 by bolts. The bottom ends of the plurality of inner electric push rods 5 are jointly fixed with an upper plate 6 by bolts. A plurality of upper ejector pins 7 are welded to the bottom of the upper plate 6. The other end of the upper ejector pin 7 is slidably inserted into the upper mold 303. Driven by the inner electric push rod 5, the upper plate 6 moves downward, thereby driving the upper ejector pin 7 to move downward, and further pushing the core mold out of the upper mold 303. A plurality of guide rods 8 are fixedly inserted between the inner wall of the top and the inner wall of the bottom of the lower connecting shell 304. A spring 9 is sleeved on the outer wall of the guide rod 8. A lower plate 10 is slidably sleeved between the plurality of guide rods 8. The top end of the spring 9 is fixedly connected to the bottom of the lower plate 10. A plurality of lower ejector pins 11 are welded to the top of the lower plate 10. After the pressure plate 4 releases the extrusion on the sliding plate 12, under the action of the spring 9, the lower plate 10 moves upward, thereby driving the lower ejector pin 11 to move downward, and further lifting the core mold upward, so that the core mold is separated from the lower mold 305. The top end of the lower ejector pin 11 is slidably inserted into the lower mold 305;

[0036] A plurality of sliding plates 12 are welded to both ends of the bottom of the lower plate 10. The bottom end of the pressure plate 4 is in contact with the sliding plate 12. A plurality of guide grooves 13 are arranged at both ends of the lower connecting shell 304. The sliding plate 12 slides in the guide groove 13. The upper connecting shell 302 drives the pressure plate 4 to move downward to squeeze the sliding plate 12, thereby pushing the sliding plate 12 to move downward, and further driving the lower plate 10 and the lower ejector pin 11 to move downward, so as to withdraw the lower ejector pin 11 from the lower mold 305. A fixed seat 14 is fixed to the top of the base 1 by bolts. A support seat 15 is fixed to the top of the fixed seat 14 by bolts. A slider 16 is slidably connected to the inner wall of the bottom of the support seat 15. The conveying assembly 17 is arranged on the top of the slider 16.

[0037] The transmission assembly 17 includes a connecting plate 1701, which is fixed to the top of the slider 16 by bolts. Two rotating shafts 1702 are inserted and rotatably connected to the top of the connecting plate 1701. The outer wall keys of the rotating shafts 1702 are connected to multiple pulleys 1703. Multiple belts 1704 are connected to the pulleys 1703 of the two rotating shafts 1702. The outer surface of the belt 1704 is bonded with a sponge belt 1705. The top of the connecting plate 1701 is fixed with a side motor 20 by bolts. The output end of the side motor 20 is fixedly connected to one end of one of the rotating shafts 1702. The rotating shaft 1702 is rotated under the drive of the side motor 20, thereby driving the pulley 1703 to rotate, and then driving the belt 1704 to rotate, so that the core mold is transported away.

[0038] A lower motor 19 is fixed to the outer wall of one end of the support seat 15 by bolts, and the output end of the lower motor 19 is connected to a threaded rod 18 through a coupling. The other end of the threaded rod 18 is rotatably connected to the inner wall of one side of the support seat 15, and the slider 16 is threadedly sleeved with the threaded rod 18. The threaded rod 18 is rotated by the lower motor 19, thereby driving the slider 16 to move, and then driving the transmission assembly 17 to move, thereby moving the transmission assembly 17 to the bottom of the upper mold 303. A plurality of support columns 21 are welded to the top of the connecting plate 1701, and a limiting cover 22 is welded to the top of the plurality of support columns 21 to limit the conveying of the core mold. A sponge pad 23 is bonded to the inner side of the limiting cover 22. A plurality of support wheels 24 are rotatably connected to the top of the connecting plate 1701, and the support wheel 24 is located in the middle of the belt 1704, thereby supporting the conveying of the core mold.

[0039] Working principle of this embodiment: when in use, first, put the core mold raw material into the core shooting machine body 301, then, then, start the hydraulic cylinder 25, and drive the core shooting machine body 301 to move downward under the contraction of the hydraulic cylinder 25, thereby driving the upper connecting shell 302 and the upper mold 303 to move downward, so that the upper mold 303 and the lower mold 305 are combined together, and at the same time, the upper connecting shell 302 drives the pressing plate 4 to move downward to squeeze the sliding plate 12, thereby pushing the sliding plate 12 to move downward, and then driving the lower plate 10 and the lower ejector 11 to move downward, so that the lower ejector 11 is withdrawn from the lower mold 305, and then, the core shooting machine body 301 is used to inject the core mold raw material into the upper mold 303 and the lower mold 305, and then, wait for the core mold to be formed;

[0040] After forming, under the pulling of the hydraulic cylinder 25, the core shooter body 301 and the upper mold 303 move upward, and at the same time, the pressing plate 4 moves upward, gradually relieving the extrusion of the pressing plate 4 on the sliding plate 12. Then, under the action of the spring 9, the lower plate 10 moves upward, driving the lower ejector pin 11 to move downward, and further causing the core mold to be jacked upward, so that the core mold is separated from the lower mold 305 until the upper mold 303 is separated from the lower mold 305. At this time, the core mold is stuck in the upper mold 303. Then, the lower motor 19 is started. Driven by the lower motor 19, the threaded rod 18 rotates, driving the slider 16 to move, and further driving the conveying component 17 to move, so as to move the conveying component 17 below the upper mold 303;

[0041] Then, the inner electric push rod 5 is started. Driven by the inner electric push rod 5, the upper plate 6 moves downward, driving the upper ejector pin 7 to move downward, and further pushing the core mold out of the upper mold 303. Then, the core mold falls on the conveying component 17. Then, the side motor 20 is started. Driven by the side motor 20, the rotating shaft 1702 rotates, driving the belt pulley 1703 to rotate, and further driving the belt 1704 to rotate, so as to convey the core mold away.

[0042] Embodiment 2

[0043] Refer to Figures 7 - 8 A core-making device capable of conveying and discharging materials, including a moving component 26 provided at the top of a fixed seat 14. The moving component 26 includes a supporting shell 2601, which is fixed to the top of the fixed seat 14 by bolts. An inner motor 27 is fixed to the bottom inner wall of the supporting shell 2601 by bolts. Driven by the inner motor 27, the moving component 26 rotates, and then rotates the core mold towards the workbench direction. The output end of the inner motor 27 is connected to a rotating column 2602 through a coupling. The rotating column 2602 is rotatably inserted into the top of the supporting shell 2601. The top of the rotating column 2602 is fixed to a vertical electric push rod 2603 by bolts. The top of the vertical electric push rod 2603 is fixed to a horizontal electric push rod 2604 by bolts. One end of the horizontal electric push rod 2604 is fixed to a supporting plate 2605 by bolts. A plurality of insertion rods 2606 are welded to one side of the supporting plate 2605. Driven by the horizontal electric push rod 2604, the supporting plate 2605 and the insertion rods 2606 move, so as to insert the insertion rods 2606 into the gaps between a plurality of belts 1704.

[0044] Working principle of this embodiment: During use, when the core mold is conveyed to one side of the moving component 26, the horizontal electric push rod 2604 is started. Driven by the horizontal electric push rod 2604, the support plate 2605 and the insertion rod 2606 move, so that the insertion rod 2606 is inserted into the gaps between multiple belts 1704. Then, the vertical electric push rod 2603 is started. Driven by the vertical electric push rod 2603, the horizontal electric push rod 2604 and the insertion rod 2606 move upward, so that the core mold is lifted upward and separated from the belt 1704. Then, the internal motor 27 is started. Driven by the internal motor 27, the moving component 26 rotates, and then the core mold is rotated towards the workbench. Then, the core mold is placed on the workbench for processing through the vertical electric push rod 2603 and the horizontal electric push rod 2604.

[0045] All the electrical components mentioned in this article are electrically connected to the external main controller and 220V mains power, and the main controller can be a conventional known device such as a computer for control.

[0046] In the description of this article, it should be noted that unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, a direct connection, or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. A core-making device capable of conveying blanking, comprising a base (1) and a conveying assembly (17), characterized in that: One end of the top of the base (1) is fixedly connected to a side plate (2), one side of the side plate (2) is provided with a core making machine assembly (3), the core making machine assembly (3) comprises a core shooting machine body (301), the core shooting machine body (301) is slidably connected to one side of the side plate (2), the bottom end of the core shooting machine body (301) is fixedly connected to an upper connecting shell (302), the bottom end of the upper connecting shell (302) is clamped with an upper mold (303), the injection head of the core shooting machine body (301) is connected to the upper mold (303), and the upper connecting shell (302) is connected to the upper mold (303). The outer walls of both sides of the shell (302) are fixedly connected with a pressing plate (4), the top of the base (1) is fixedly connected with a lower connecting shell (304), the top of the lower connecting shell (304) is clamped with a lower mold (305), the top inner wall of the upper connecting shell (302) is fixedly connected with a plurality of inner electric push rods (5), the bottom ends of the plurality of inner electric push rods (5) are fixedly connected with an upper plate (6), the bottom of the upper plate (6) is fixedly connected with a plurality of upper ejector pins (7), the other end of the upper ejector pins (7) is fixedly connected with the upper mold (30 3) Sliding plug-in, a plurality of guide rods (8) are fixedly plugged between the top inner wall and the bottom inner wall of the lower connecting shell (304), a spring (9) is sleeved on the outer wall of the guide rod (8), a lower plate (10) is slidably sleeved between the plurality of guide rods (8), the top end of the spring (9) is fixedly connected to the bottom of the lower plate (10), a plurality of lower ejector pins (11) are fixedly connected to the top of the lower plate (10), the top end of the lower ejector pins (11) is slidably plugged with the lower mold (305), and both ends of the bottom of the lower plate (10) are fixed A plurality of sliding plates (12) are connected, the bottom end of the pressure plate (4) contacts the sliding plate (12), a plurality of guide grooves (13) are provided at both ends of the lower connecting shell (304), the sliding plate (12) slides in the guide grooves (13), the top of the base (1) is fixedly connected to a fixing seat (14), the top of the fixing seat (14) is fixedly connected to a supporting seat (15), the bottom inner wall of the supporting seat (15) is slidably connected to a sliding block (16), and a transmission component (17) is arranged on the top of the sliding block (16).

2. A core-making device capable of conveying and unloading materials according to claim 1, characterized in that: The transmission assembly (17) comprises a connecting plate (1701), which is fixed to the top of the slider (16) by bolts, and two rotating shafts (1702) are inserted and connected to the top of the connecting plate (1701) for transverse rotation, and the outer wall keys of the rotating shafts (1702) are connected to multiple pulleys (1703), and multiple belts (1704) are connected to the pulleys (1703) of the two rotating shafts (1702) for transmission, and the outer surfaces of the belts (1704) are bonded to sponge belts (1705).

3. A core-making device capable of conveying blanking according to claim 2, characterized in that: A side motor (20) is fixedly connected to the top of the connecting plate (1701), and an output end of the side motor (20) is fixedly connected to one end of one of the rotating shafts (1702).

4. The core-making equipment capable of conveying and unloading materials according to claim 1, characterized in that: The outer wall of one end of the support seat (15) is fixedly connected to a lower motor (19), the output end of the lower motor (19) is connected to a threaded rod (18) via a coupling, the other end of the threaded rod (18) is rotatably connected to the inner wall of one side of the support seat (15), and the slider (16) is threadedly sleeved with the threaded rod (18).

5. The core-making equipment capable of conveying and unloading materials according to claim 2, characterized in that: The top of the connecting plate (1701) is fixedly connected to a plurality of support columns (21), the top ends of the plurality of support columns (21) are commonly fixedly connected to a limiting cover (22), and a sponge pad (23) is bonded to the inner side of the limiting cover (22).

6. The core-making equipment capable of conveying and unloading materials according to claim 2, characterized in that: The top of the connecting plate (1701) is rotatably connected to a plurality of supporting wheels (24), and the supporting wheels (24) are located in the middle of the belt (1704).

7. The core-making equipment capable of conveying and unloading materials according to claim 1, characterized in that: A plurality of hydraulic cylinders (25) are fixedly connected to the top of the base (1), and one end of a hydraulic rod of the hydraulic cylinder (25) is fixedly connected to the core shooting machine body (301).

8. The core-making equipment capable of conveying and unloading materials according to claim 1, characterized in that: A moving assembly (26) is provided at the top of the fixed seat (14), and the moving assembly (26) includes a supporting shell (2601), the supporting shell (2601) is fixed to the top of the fixed seat (14) by bolts, the bottom inner wall of the supporting shell (2601) is fixedly connected to an internal motor (27), the output end of the internal motor (27) is connected to a rotating column (2602) through a coupling, the rotating column (2602) is rotatably plugged into the top of the supporting shell (2601), the top of the rotating column (2602 is fixedly connected to a vertical electric push rod (2603), the top of the vertical electric push rod (2603) is fixedly connected to a horizontal electric push rod (2604), one end of the horizontal electric push rod (2604) is fixedly connected to a support plate (2605), and one side of the support plate (2605) is fixedly connected to a plurality of plug rods (2606).

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