Automatic liner water port positioning mechanism

Abstract

The utility model relates to the technical field of inner bag water gap processing, disclose a kind of inner bag water gap automatic location mechanism, including rack and inner bag body, the middle part of rack is provided with support mechanism, the top one end of rack is fixedly connected with rotating mechanism, the top other end of rack is movably connected with moving mechanism, the side of rack is provided with water gap location mechanism, first start third motor drives support mechanism and inner bag body to move upwards, then start fixed cylinder, drive mounting seat and moving mechanism to move, by chuck and fixed chuck, inner bag body is clamped and fixed, then start third motor, make support mechanism move downwards and separate contact with inner bag body, then start rotating motor, fixed chuck will slowly drive inner bag body to rotate, water gap will pressurize pressure plate, pressure plate will drive connecting rod and baffle to move downwards, when photoelectric sensing sheet detects output signal, determine water gap position, so that the water gap position location of inner bag body is completed.

Description

Technical Field

[0001] This utility model relates to the field of inner tank sprue processing technology, specifically to an automatic positioning mechanism for inner tank sprues. Background Technology

[0002] In the manufacturing process of containers such as water heaters and water tanks, the inner tank is a core component, and its processing precision directly affects the overall quality and performance of the product. After the inner tank body is initially formed, it usually needs to undergo subsequent processes such as sprue processing, welding, and inspection. The smooth progress of these processes depends on the precise positioning of the sprue in the inner tank.

[0003] Currently, the industry primarily employs manual or semi-automatic positioning methods for locating the sprue nozzle in the inner tank. Manual positioning requires operators to visually observe and manually adjust the inner tank angle to place the nozzle in the preset processing position. This method is not only labor-intensive but also inefficient, failing to meet the cycle time requirements of large-scale production. Furthermore, the accuracy of manual positioning is easily affected by subjective factors such as operator experience and fatigue, resulting in significant positioning errors. This leads to inconsistent processing quality in subsequent processes, increasing product rework and scrap rates.

[0004] Therefore, we propose an automatic positioning mechanism for the inner tank nozzle to solve the above problems. Utility Model Content

[0005] To address the technical problems mentioned above, this utility model provides an automatic positioning mechanism for the inner tank water inlet.

[0006] This utility model is achieved using the following technical solution: an automatic positioning mechanism for the inner tank water inlet, comprising a frame and an inner tank body, a support mechanism being provided in the middle of the frame, a rotating mechanism being fixedly connected to one end of the top of the frame, a moving mechanism being movably connected to the other end of the top of the frame, the inner tank body being located between the rotating mechanism and the moving mechanism, a water inlet positioning mechanism being provided on one side of the frame, and two sensors being fixedly connected to both sides of the top of the frame; The support mechanism includes a support frame and pulley blocks. Two pulley blocks are installed on the top sides of the support frame, and a third motor is fixedly connected to the bottom of the support frame. The rotating mechanism includes a fixed frame and a rotating motor. The rotating motor is mounted on one side of the fixed frame. One end of the rotating motor is fixedly connected to a small gear, and one end of the small gear is meshed with a large gear. A fixed chuck is fixedly connected to one side of the large gear. The moving mechanism includes a movable frame and a movable chuck. The movable chuck is fixedly connected to one end of the movable frame. A fixed cylinder is fixedly connected to the top of the frame. A mounting base is fixedly connected to one end of the fixed cylinder. The mounting base is fixedly connected to the bottom of the movable frame. The sprue positioning mechanism includes a vertical cylinder and a mounting plate. One end of the vertical cylinder is fixedly connected to the top of the mounting plate. A horizontal cylinder is fixedly connected to the top end of the mounting plate. One end of the horizontal cylinder is fixedly connected to a lifting plate via a connecting block. A pressure plate is provided on the top of the lifting plate. Two connecting rods are fixedly connected to the bottom of the pressure plate. The bottom of the two connecting rods penetrates the interior of one end of the lifting plate. A baffle is fixedly connected to the bottom of the connecting rods. The baffle is located below the lifting plate. A photoelectric sensor is fixedly connected to the other bottom end of the lifting plate.

[0007] Preferably, a lifting cylinder is provided at one end of the bottom of the frame, and a lead screw is connected to one end of the lifting cylinder via a coupling. A fixed seat is threaded to one end of the lead screw, and multiple roller tracks are fixedly connected to the top of the fixed seat. Rollers are tumblingly connected to the top of the roller tracks, and a lifting column is fixedly connected to one side of the rollers. A base plate is fixedly connected to the top of the lifting column, and the third motor is fixedly connected to the bottom of the base plate.

[0008] Preferably, the bottom of the support frame is fixedly connected to multiple positioning rods, the middle of the frame is fixedly connected to two second connecting plates, the multiple positioning rods pass through the interior of the second connecting plates, the top of the second connecting plates is fixedly connected to a second connecting sleeve, and one end of the positioning rod is movably connected to the interior of the second connecting sleeve.

[0009] Preferably, the frame has two first connecting plates fixedly connected in the middle, the lifting column passes through the interior of the first connecting plates, the top of the first connecting plates is fixedly connected to a first fixing sleeve, and one end of the lifting column is movably connected to the interior of the first fixing sleeve.

[0010] Preferably, a spring is provided on the outside of the connecting rod, and the bottom of the spring is fixedly connected to the top of the lifting plate.

[0011] Preferably, the bottom of the movable frame is fixedly connected to a first slider, and one end of the top of the frame is fixedly connected to a first slide rail, with the first slider slidably connected to the top of the first slide rail.

[0012] Preferably, a connecting seat is fixedly connected to one side of the frame, a second slider is fixedly connected to one side of the connecting seat, a second slide rail is fixedly connected to the inner side of the mounting plate, and the second slider is slidably connected to one side of the second slide rail.

[0013] Preferably, the top of the mounting plate is fixedly connected to a third slide rail, the bottom of the lifting plate is fixedly connected to a third slider, and the third slider is slidably connected to the top of the third slide rail.

[0014] Preferably, the bottom of the fixed base is fixedly connected to a fourth slider, the bottom of the frame is fixedly connected to a fourth slide rail, and the fourth slider is slidably connected to the top of the fourth slide rail.

[0015] Compared with the prior art, the beneficial effects of this utility model are: In use, the inner liner body is first moved to the top of the support mechanism. Then, the third motor is started, which drives the support mechanism and the inner liner body to move upward, making the inner liner body the same height as the fixed chuck and the movable chuck. Then, the fixed cylinder is started, which drives the mounting base and the moving mechanism to move towards the rotating mechanism. The inner liner body is clamped and fixed by the movable chuck and the fixed chuck. Then, the third motor is started again, which drives the support mechanism to move downward and disengage from the inner liner body. Then, the rotating motor is started, which drives the small gear, the large gear and the fixed chuck to rotate. The fixed chuck will slowly drive the inner liner body to rotate. When the water inlet on the outside of the inner liner body rotates to the top of the pressure plate, the water inlet will press against the pressure plate. The pressure plate will drive the connecting rod and the baffle to move downward. When the photoelectric sensor detects the movement of the baffle, it outputs a signal to determine the position of the water inlet, thus completing the water inlet positioning of the inner liner body. This makes it convenient for the robotic arm to clamp it and proceed to the next process step.

[0016] When this utility model is in use, if it is necessary to change the shape of the inner liner body, the lifting cylinder is activated. The lifting cylinder will drive the lead screw to rotate, the lead screw will drive the fixed seat to move horizontally, the fixed seat will drive the roller track to move, the roller will roll along the top of the roller track and drive the lifting column to move, the lifting column will drive the base plate to move, and the base plate will drive the support mechanism to move up and down to adjust the initial position, so as to facilitate the quick change of the inner liner body. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the support mechanism of this utility model; Figure 3 This is a schematic diagram of the rotating mechanism of this utility model; Figure 4 This is a schematic diagram of the moving mechanism of this utility model; Figure 5 This is a schematic diagram of the water inlet positioning mechanism of this utility model; Figure 6 This is an exploded schematic diagram of the water inlet positioning mechanism of this utility model.

[0018] In the diagram: 1. Frame; 2. Inner chamber body; 3. Support mechanism; 301. Support frame; 302. Pulley block; 4. Rotating mechanism; 401. Fixed frame; 402. Rotary motor; 403. Pinion gear; 404. Large gear; 405. Fixed chuck; 5. Moving mechanism; 501. Movable frame; 502. Movable chuck; 503. First slider; 504. First slide rail; 6. Sprue positioning mechanism; 601. Vertical cylinder; 602. Mounting plate; 603. Horizontal cylinder; 604. Lifting plate; 605. Pressure plate; 606. Connecting rod; 607. Spring; 608. Baffle; 609. Photoelectric sensor; 610. Connecting seat; 611. Second slider; 612. Second slide rail; 613. Third slider; 614. Third slide rail; 7. Sensor; 8. Fixed cylinder; 9. Mounting base; 10. Lifting cylinder; 11. Lead screw; 12. Fixed base; 13. Roller track; 14. Roller; 15. Lifting column; 16. Base plate; 17. Positioning rod; 18. First connecting plate; 19. First fixing sleeve; 20. Second connecting plate; 21. Second connecting sleeve; 22. Third motor; 23. Fourth slide rail; 24. Fourth slider. Detailed Implementation

[0019] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0020] Example 1: Please refer to Figure 1 - Figure 6 An automatic positioning mechanism for the inner tank water inlet in this embodiment includes a frame 1 and an inner tank body 2. A support mechanism 3 is provided in the middle of the frame 1. A rotating mechanism 4 is fixedly connected to one end of the top of the frame 1, and a moving mechanism 5 is movably connected to the other end of the top of the frame 1. The inner tank body 2 is located between the rotating mechanism 4 and the moving mechanism 5. A water inlet positioning mechanism 6 is provided on one side of the frame 1. Two sensors 7 are fixedly connected to both sides of the top of the frame 1. The sensors 7 are used to detect whether the inner tank body 2 is above the frame 1. The support mechanism 3 includes a support frame 301 and a pulley block 302. The two pulley blocks 302 are installed on the top two sides of the support frame 301, and a third motor 22 is fixedly connected to the bottom of the support frame 301. The rotating mechanism 4 includes a fixed frame 401 and a rotating motor 402. The rotating motor 402 is installed on one side of the fixed frame 401. One end of the rotating motor 402 is fixedly connected to a small gear 403. One end of the small gear 403 is meshed with a large gear 404. One side of the large gear 404 is fixedly connected to a fixed chuck 405. The moving mechanism 5 includes a movable frame 501 and a movable chuck 502. The movable chuck 502 is fixedly connected to one end of the movable frame 501. A fixed cylinder 8 is fixedly connected to the top of the frame 1. A mounting base 9 is fixedly connected to one end of the fixed cylinder 8. The mounting base 9 is fixedly connected to the bottom of the movable frame 501. The water inlet positioning mechanism 6 includes a vertical cylinder 601 and a mounting plate 602. One end of the vertical cylinder 601 is fixedly connected to the top of the mounting plate 602. A horizontal cylinder 603 is fixedly connected to the top end of the mounting plate 602. One end of the horizontal cylinder 603 is fixedly connected to a lifting plate 604 via a connecting block. A pressure plate 605 is provided on the top of the lifting plate 604. Two connecting rods 606 are fixedly connected to the bottom of the pressure plate 605. The bottom of the two connecting rods 606 passes through the interior of one end of the lifting plate 604. A baffle 608 is fixedly connected to the bottom of the connecting rods 606. The baffle 608 is located below the lifting plate 604. A photoelectric sensor 609 is fixedly connected to the other end of the bottom of the lifting plate 604. During the automatic positioning of the inner tank water inlet, the robotic arm first moves the inner tank body 2 to the top of the support mechanism 3, so that the bottom of the inner tank body 2 contacts the support frame 301. Then, the third motor 22 is started, which drives the support frame 301 to move upward. The support frame 301 drives the pulley block 302 and the inner tank body 2 to move upward, so that the inner tank body 2 is at the same height as the fixed chuck 405 and the movable chuck 502. Then, the fixed cylinder 8 is started, which drives the mounting base 9 to move. The mounting base 9 drives the movable frame 501 to move. The movable frame 501 drives the movable chuck 502 to move, so that the movable chuck 502 moves toward the rotating mechanism 4. Finally, the inner tank body 2 is clamped and fixed by the movable chuck 502 and the fixed chuck 405. Secondly, after the movable chuck 502 and the fixed chuck 405 clamp and fix the inner liner body 2, the third motor 22 is started, causing the support mechanism 3 to move downward and disengage from the inner liner body 2. Then, the rotary motor 402 is started. The rotary motor 402 will drive the pinion 403 to rotate, which in turn drives the gear 404 to rotate. The gear 404 will drive the fixed chuck 405 to rotate, and the fixed chuck 405 will slowly drive the inner liner body 2 to rotate. When the water inlet on the outside of the inner liner body 2 rotates to the top of the pressure plate 605, the water inlet will press against the pressure plate 605. The pressure plate 605 will drive the connecting rod 606 to move downward. The connecting rod 606 will pass through the lifting plate 604 and drive the baffle 608 to move downward. When the photoelectric sensor 609 detects the movement of the baffle 608, it outputs a signal to determine the position of the water inlet. After the signal feedback, the controller will stop the operation of the rotary motor 402, thus completing the water inlet position search of the inner liner body 2, making it convenient for the robotic arm to clamp it and proceed to the next process step. After the water inlet position of the inner tank body 2 is calibrated and located, the vertical cylinder 601 and the horizontal cylinder 603 are activated. The vertical cylinder 601 will drive the mounting plate 602 to move downward, and the horizontal cylinder 603 will drive the lifting plate 604 to move outward through the connecting block, so that the pressure plate 605 is away from the water inlet position of the inner tank body 2, making it easier for the robotic arm to clamp it later. Furthermore, a lifting cylinder 10 is provided at one end of the bottom of the frame 1. One end of the lifting cylinder 10 is connected to a lead screw 11 via a coupling. One end of the lead screw 11 is threadedly connected to a fixed seat 12. Multiple roller tracks 13 are fixedly connected to the top of the fixed seat 12. Rollers 14 are tumblingly connected to the top of the roller tracks 13. A lifting column 15 is fixedly connected to one side of the roller 14. A base plate 16 is fixedly connected to the top of the lifting column 15. A third motor 22 is fixedly connected to the bottom of the base plate 16. When the inner liner body 2 needs to be changed, the initial height of the support mechanism 3 needs to be adjusted. By starting the lifting cylinder 10, the lifting cylinder 10 will drive the lead screw 11 to rotate. The rotation of the lead screw 11 will drive the fixed seat 12 to move horizontally through the connecting seat. The fixed seat 12 will drive the roller track 13 to move. The roller 14 will roll in place along the slope surface of the roller track 13 and drive the lifting column 15 to move up and down. The movement of the lifting column 15 will drive the base plate 16 to move. The base plate 16 will drive the support mechanism 3 to move up and down to adjust the initial position. Thus, when the third motor 22 drives the support mechanism 3 to move, it will keep the height consistent with the fixed chuck 405 and the movable chuck 502. When the roller 14 moves to different heights of the roller track 13, it will correspond to different models of the inner liner body 2. Furthermore, the bottom of the support frame 301 is fixedly connected with multiple positioning rods 17, and the middle of the frame 1 is fixedly connected with two second connecting plates 20. The multiple positioning rods 17 pass through the interior of the second connecting plates 20, and the top of the second connecting plates 20 is fixedly connected with a second connecting sleeve 21. One end of the positioning rod 17 is movably connected to the interior of the second connecting sleeve 21. When the support frame 301 moves up and down, the support frame 301 will drive the positioning rod 17 to move. The positioning rod 17 will move along the interior of the second connecting sleeve 21, and the second connecting sleeve 21 will limit the movement of the positioning rod 17, so that the support mechanism 3 remains stable when it moves up and down. Furthermore, two first connecting plates 18 are fixedly connected in the middle of the frame 1. The lifting column 15 passes through the interior of the first connecting plate 18. The top of the first connecting plate 18 is fixedly connected to the first fixing sleeve 19. One end of the lifting column 15 is movably connected to the interior of the first fixing sleeve 19. When the base plate 16 moves up and down, the lifting column 15 drives the base plate 16 to move. The lifting column 15 will move along the interior of the first fixing sleeve 19. The first fixing sleeve 19 will limit the movement of the lifting column 15, so that the base plate 16 remains stable when it moves up and down. Furthermore, a spring 607 is provided on the outside of the connecting rod 606. The bottom of the spring 607 is fixedly connected to the top of the lifting plate 604. With the spring 607 provided, when the opening of the inner liner body 2 presses the pressure plate 605, the pressure plate 605 drives the connecting rod 606 to move downward, compressing the spring 607. When the pressure plate 605 disengages from the opening of the inner liner body 2, the spring 607 returns to its original position and extends, which will drive the pressure plate 605 to move back to its original position. Furthermore, the bottom of the movable frame 501 is fixedly connected to a first slider 503, and the top end of the frame 1 is fixedly connected to a first slide rail 504. The first slider 503 is slidably connected to the top of the first slide rail 504. When the movable frame 501 drives the first slider 503 to move, the first slider 503 will move along the top of the first slide rail 504, thereby limiting the movement of the movable frame 501 and keeping the movable frame 501 in a stable state when it moves. Furthermore, a connecting seat 610 is fixedly connected to one side of the frame 1, and a second slider 611 is fixedly connected to one side of the connecting seat 610. A second slide rail 612 is fixedly connected to the inner side of the mounting plate 602. The second slider 611 is slidably connected to one side of the second slide rail 612. When the mounting plate 602 drives the second slide rail 612 to move, the second slide rail 612 will move along one side of the second slider 611, thereby limiting the movement of the mounting plate 602 and keeping the mounting plate 602 in a stable state when it moves. Furthermore, the top of the mounting plate 602 is fixedly connected to the third slide rail 614, and the bottom of the lifting plate 604 is fixedly connected to the third slider 613. The third slider 613 is slidably connected to the top of the third slide rail 614. When the lifting plate 604 drives the third slider 613 to move, the third slider 613 will move along the top of the third slide rail 614, thereby keeping the lifting plate 604 in a stable state when it moves. Furthermore, a fourth slider 24 is fixedly connected to the bottom of the fixed base 12, and a fourth slide rail 23 is fixedly connected to the bottom of the frame 1. The fourth slider 24 is slidably connected to the top of the fourth slide rail 23. When the fixed base 12 moves, the fourth slider 24 will move along the top of the fourth slide rail 23, thereby keeping the fixed base 12 stable when it moves.

[0021] Working principle: During automatic positioning of the inner tank inlet, the robotic arm first moves the inner tank body 2 to the top of the support mechanism 3, so that the bottom of the inner tank body 2 contacts the support frame 301. Then, the third motor 22 is started, which drives the support frame 301 to move upward. The support frame 301 drives the pulley block 302 and the inner tank body 2 to move upward, so that the inner tank body 2 is at the same height as the fixed chuck 405 and the movable chuck 502. Then, the fixed cylinder 8 is started, which drives the mounting base 9 to move. The mounting base 9 drives the movable frame 501 to move, and the movable frame 501 drives the movable chuck 502 to move, so that the movable chuck 502 moves towards the rotating mechanism 4. The inner tank body 2 is clamped and fixed by the movable chuck 502 and the fixed chuck 405. Then, the third motor 22 is started again, so that the support mechanism 3 moves downward to meet the inner tank. Once the main body 2 is disengaged, the rotary motor 402 is restarted. The rotary motor 402 will drive the pinion 403 to rotate, which in turn drives the gear 404 to rotate. The gear 404 will then drive the fixed chuck 405 to rotate, which will slowly rotate the inner tank body 2. When the water inlet on the outside of the inner tank body 2 rotates to the top of the pressure plate 605, the water inlet will press against the pressure plate 605. The pressure plate 605 will then drive the connecting rod 606 to move downwards. The connecting rod 606 will pass through the lifting plate 604 and drive the baffle 608 to move downwards. When the photoelectric sensor 609 detects the movement of the baffle 608, it will output a signal to determine the position of the water inlet. After the signal is fed back, the controller will stop the rotary motor 402, thus completing the water inlet position search of the inner tank body 2, making it easier for the robotic arm to grip it and proceed to the next process step.

[0022] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. An automatic positioning mechanism for the inner tank water inlet, comprising a frame (1) and an inner tank body (2), characterized in that, A support mechanism (3) is provided in the middle of the frame (1). A rotating mechanism (4) is fixedly connected to one end of the top of the frame (1). A moving mechanism (5) is movably connected to the other end of the top of the frame (1). The inner liner body (2) is located between the rotating mechanism (4) and the moving mechanism (5). A water inlet positioning mechanism (6) is provided on one side of the frame (1). Two sensors (7) are fixedly connected to the top two sides of the frame (1). The support mechanism (3) includes a support frame (301) and a pulley block (302). Two pulley blocks (302) are installed on the top sides of the support frame (301), and a third motor (22) is fixedly connected to the bottom of the support frame (301). The rotating mechanism (4) includes a fixed frame (401) and a rotary motor (402). The rotary motor (402) is mounted on one side of the fixed frame (401). One end of the rotary motor (402) is fixedly connected to a small gear (403). One end of the small gear (403) is meshed with a large gear (404). One side of the large gear (404) is fixedly connected to a fixed chuck (405). The moving mechanism (5) includes a movable frame (501) and a movable chuck (502). The movable chuck (502) is fixedly connected to one end of the movable frame (501). A fixed cylinder (8) is fixedly connected to the top of the frame (1). A mounting base (9) is fixedly connected to one end of the fixed cylinder (8). The mounting base (9) is fixedly connected to the bottom of the movable frame (501). The water inlet positioning mechanism (6) includes a vertical cylinder (601) and a mounting plate (602). One end of the vertical cylinder (601) is fixedly connected to the top of the mounting plate (602). A horizontal cylinder (603) is fixedly connected to one end of the top of the mounting plate (602). One end of the horizontal cylinder (603) is fixedly connected to a lifting plate (604) via a connecting block. A pressure plate (605) is provided on the top of the lifting plate (604). Two connecting rods (606) are fixedly connected to the bottom of the pressure plate (605). The bottom of the two connecting rods (606) penetrates the interior of one end of the lifting plate (604). A baffle (608) is fixedly connected to the bottom of the connecting rods (606). The baffle (608) is located below the lifting plate (604). A photoelectric sensor (609) is fixedly connected to the other end of the bottom of the lifting plate (604).

2. The automatic positioning mechanism for the inner tank water inlet according to claim 1, characterized in that, A lifting cylinder (10) is provided at one end of the bottom of the frame (1). One end of the lifting cylinder (10) is connected to a lead screw (11) via a coupling. One end of the lead screw (11) is threadedly connected to a fixed seat (12). Multiple roller tracks (13) are fixedly connected to the top of the fixed seat (12). Rollers (14) are rolledly connected to the top of the roller tracks (13). A lifting column (15) is fixedly connected to one side of the roller (14). A base plate (16) is fixedly connected to the top of the lifting column (15). The third motor (22) is fixedly connected to the bottom of the base plate (16).

3. The automatic positioning mechanism for the inner tank water inlet according to claim 1, characterized in that, The bottom of the support frame (301) is fixedly connected with multiple positioning rods (17), and the middle of the frame (1) is fixedly connected with two second connecting plates (20). The multiple positioning rods (17) pass through the interior of the second connecting plates (20), and the top of the second connecting plates (20) is fixedly connected with a second connecting sleeve (21). One end of the positioning rod (17) is movably connected to the interior of the second connecting sleeve (21).

4. The automatic positioning mechanism for the inner tank water inlet according to claim 2, characterized in that, The frame (1) has two first connecting plates (18) fixedly connected in the middle. The lifting column (15) passes through the interior of the first connecting plate (18). The top of the first connecting plate (18) is fixedly connected to a first fixing sleeve (19). One end of the lifting column (15) is movably connected to the interior of the first fixing sleeve (19).

5. The automatic positioning mechanism for the inner tank water inlet according to claim 1, characterized in that, A spring (607) is provided on the outside of the connecting rod (606), and the bottom of the spring (607) is fixedly connected to the top of the lifting plate (604).

6. The automatic positioning mechanism for the inner tank water inlet according to claim 1, characterized in that, The bottom of the movable frame (501) is fixedly connected to a first slider (503), and the top end of the frame (1) is fixedly connected to a first slide rail (504). The first slider (503) is slidably connected to the top of the first slide rail (504).

7. The automatic positioning mechanism for the inner tank water inlet according to claim 1, characterized in that, A connecting seat (610) is fixedly connected to one side of the frame (1), a second slider (611) is fixedly connected to one side of the connecting seat (610), a second slide rail (612) is fixedly connected to the inner side of the mounting plate (602), and the second slider (611) is slidably connected to one side of the second slide rail (612).

8. The automatic positioning mechanism for the inner tank water inlet according to claim 1, characterized in that, The top of the mounting plate (602) is fixedly connected to a third slide rail (614), and the bottom of the lifting plate (604) is fixedly connected to a third slider (613). The third slider (613) is slidably connected to the top of the third slide rail (614).

9. The automatic positioning mechanism for the inner tank water inlet according to claim 2, characterized in that, The bottom of the fixed base (12) is fixedly connected to the fourth slider (24), the bottom of the frame (1) is fixedly connected to the fourth slide rail (23), and the fourth slider (24) is slidably connected to the top of the fourth slide rail (23).

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