Small-space full-automatic flexible opening and closing buckle structure

Abstract

The present application belongs to the technical field of packaging box opening and closing equipment, in particular to a small-space full-automatic flexible opening and closing buckle structure, which comprises a main mounting plate, a main driving component, a clasp ring poking component, a buckle handle poking component and a fixed trajectory transmission component. The clasp ring poking component is used for directly poking the clasp ring of the buckle, and the buckle handle poking component is used for directly poking the handle of the buckle. The main driving component and the fixed trajectory transmission component are respectively arranged on the main mounting plate. The fixed trajectory transmission component has a power input end and comprises a buckle handle poking component connecting arm and an X-axis translation frame. The clasp ring poking component is installed on the X-axis translation frame, and the buckle handle poking component is installed on the buckle handle poking component connecting arm. The present application can solve the problem of full-automatic opening and closing of the buckle under the condition that the distance between the buckle and the bearing plane of the packaging box is limited, and is suitable for buckles with a wide size range and has a large adjustable flexibility.

Description

Technical Field

[0001] This invention belongs to the technical field of packaging box opening and closing equipment, specifically a small-space fully automatic flexible opening and closing buckle structure. Background Technology

[0002] Currently, most devices for automatically opening and closing packaging boxes using snap-lock mechanisms are semi-automatic, requiring manual assistance. The key issue is their inability to automatically open and close the snaps themselves. This presents several drawbacks: First, for boxes containing hazardous materials or in dangerous workplaces, the need for manual snap-locking compromises operator safety. Second, in semi-automatic environments, simultaneous operation of personnel and equipment makes human-machine isolation impossible, increasing the risk of injury from other equipment. Third, in situations with limited space and a restricted distance between the snaps and the supporting surface, there is currently no effective method for automatically opening and closing the snaps. Summary of the Invention

[0003] To address the above problems, the present invention aims to provide a small-space, fully automatic, flexible opening and closing latch structure.

[0004] The objective of this invention is achieved through the following technical solution:

[0005] A small-space fully automatic flexible opening and closing latch structure includes a main mounting plate, a main drive component, a retaining ring actuation component, a latch handle actuation component, and a fixed trajectory transmission component. The retaining ring actuation component is used to directly actuate the retaining ring of the latch, and the latch handle actuation component is used to directly actuate the handle of the latch.

[0006] The main drive component and the fixed trajectory transmission component are respectively disposed on the main mounting plate. The fixed trajectory transmission component has a power input end and includes a latch handle actuating component connecting arm and an X-axis translation frame. The latch ring actuating component is mounted on the X-axis translation frame, and the latch handle actuating component is mounted on the latch handle actuating component connecting arm.

[0007] The power input end of the fixed trajectory transmission component is connected to the power output end of the main drive component. When the power output end of the main drive component is activated, it drives the X-axis translation frame of the fixed trajectory transmission component to move back and forth in the direction of approaching or moving away from the buckle, and at the same time drives the connecting arm of the buckle handle to move up and down along an arc-shaped trajectory.

[0008] The retaining ring actuation component includes a retaining ring actuation cylinder, an X-axis adjustment frame, a Z-axis adjustment frame, and an upper fixed frame. The end of the upper fixed frame closest to the main drive component is mounted on the X-axis translation frame, and the end of the upper fixed frame furthest from the main drive component is connected to one end of the Z-axis adjustment frame. The other end of the Z-axis adjustment frame is connected to the X-axis adjustment frame. The retaining ring actuation cylinder is mounted on the X-axis adjustment frame, and the drive end of the retaining ring actuation cylinder faces vertically downward and is equipped with a retaining ring actuation wedge.

[0009] The hook and latch handle actuation component includes an actuation hook mounting arm, an actuation hook rotating shaft, an actuation hook, and an actuation hook drive cylinder. The end of the actuation hook mounting arm near the main drive component is connected to the end of the hook and latch handle actuation component connecting arm away from the main drive component. The actuation hook drive cylinder is mounted on the actuation hook mounting arm. The middle part of the actuation hook is rotatably mounted on the end of the actuation hook mounting arm away from the main drive component via the actuation hook rotating shaft. The end of the actuation hook away from the main drive component is bent upward to form a hook-shaped part. The end of the actuation hook near the main drive component is connected to the drive end of the actuation hook drive cylinder.

[0010] The driving end of the actuating hook driving cylinder faces vertically downward and is equipped with a pin. The end of the actuating hook near the main driving component has an elongated hole along the length of the actuating hook, and the pin passes through the elongated hole of the actuating hook.

[0011] The fixed trajectory transmission component also includes two sets of power input shaft mounting seats, power input shafts, connecting rods, and Z-axis guide wheels that are configured to cooperate. The two sets of power input shaft mounting seats are symmetrically arranged on the main mounting plates on both sides of the length direction of the connecting arm of the latch handle actuating component. The power input shaft of each set serves as the power input end of the fixed trajectory transmission component and is rotatably connected to the power input shaft mounting seat of the same set. The axial center lines of the power input shafts of the two sets are collinear and parallel to the horizontal plane. One end of the connecting rod of each set is connected to the power input shaft of the same set, and the other end of the connecting rod of each set is hinged to the middle of the connecting arm of the latch handle actuating component.

[0012] The X-axis translation frame is provided with several Z-axis guide rails arranged vertically. The end of the connecting arm of the latch handle actuating component near the main drive component is provided with several Z-axis guide wheels, and each Z-axis guide wheel rolls in the adjacent Z-axis guide rail.

[0013] Each group of power input shafts is equipped with a power input gear;

[0014] The main drive component includes a main drive cylinder, a rack mounting arm, and a rack. The main drive cylinder is mounted on the main mounting plate, and the rack mounting arm is mounted on the drive end of the main drive cylinder. The axial center line of the drive end of the main drive cylinder is parallel to the length direction of the connecting arm of the latch handle actuating component. The rack is mounted on the rack mounting arm at a position corresponding to each of the power input gears. Each rack serves as the power output end of the main drive component and meshes with a corresponding power input gear.

[0015] Each rack is located below the corresponding power input gear, and the main mounting plate is equipped with rack auxiliary support wheels for supporting each rack from below.

[0016] The main drive cylinder is mounted on the main mounting plate via a main drive cylinder mounting bracket. The main drive cylinder mounting bracket is threadedly connected to a stroke adjustment screw for blocking the rack mounting arm and limiting the movement stroke of the rack mounting arm. The axial center line of the stroke adjustment screw is parallel to the translation direction of the X-axis translation frame.

[0017] The main mounting plate is provided with a guide rail A, and the bottom of the X-axis translation frame is provided with a slider A that is slidably connected to the guide rail A.

[0018] The present invention also includes an X-axis position fine-tuning component, which includes an X-axis position fine-tuning cylinder and a lower connecting plate. The lower connecting plate is located below the main mounting plate, and the X-axis position fine-tuning cylinder is mounted on the lower connecting plate. The driving end of the X-axis position fine-tuning cylinder is connected to the main mounting plate. The lower connecting plate is also provided with a plurality of guide rails B. The main mounting plate is provided with sliders B at positions corresponding to each guide rail B. Each slider B is slidably connected to the corresponding guide rail B. The axial center line of the driving end of the X-axis position fine-tuning cylinder and the length direction of each guide rail B are parallel to the translation direction of the X-axis translation frame.

[0019] The advantages and positive effects of this invention are as follows:

[0020] 1. This invention can solve the problem of fully automatic opening and closing of the hook and loop when the distance between the hook and the supporting plane of the packaging box is limited.

[0021] 2. This invention uses pneumatic components as the power drive, which solves the problem of fully automatic opening and closing of latches in explosion-proof environments.

[0022] 3. The toggle hook of the present invention does not need to maintain a fixed relative position with a certain point of the hook during the opening and closing process, and is applicable to a wide range of hook sizes and has a high degree of adjustable flexibility. Attached Figure Description

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

[0024] Figure 2 This is a partial structural schematic diagram of the retaining ring actuating component of the present invention;

[0025] Figure 3 This is a schematic diagram of the structure of the latch handle actuating component of the present invention;

[0026] Figure 4 This is a schematic diagram of the arrangement structure of the fixed trajectory transmission component of the present invention;

[0027] Figure 5 This is one of the schematic diagrams showing the arrangement structure of the main drive component of the present invention;

[0028] Figure 6 This is a second schematic diagram of the configuration structure of the main drive component of the present invention;

[0029] Figure 7 This is a schematic diagram of the X-axis position fine-tuning component of the present invention.

[0030] In the diagram: 1 is the main mounting plate, 2 is the connecting arm of the latch handle actuating component, 3 is the X-axis translation frame, 301 is the Z-axis guide rail, 4 is the snap ring actuating cylinder, 5 is the X-axis adjustment frame, 6 is the Z-axis adjustment frame, 7 is the upper fixed frame, 8 is the snap ring actuating wedge, 9 is the actuating hook mounting arm, 10 is the actuating hook rotating shaft, 11 is the actuating hook, 12 is the actuating hook drive cylinder, 13 is the pin, 14 is the power input shaft mounting seat, 15 is the power input shaft, 16 is the connecting rod, 17 is the Z-axis guide wheel, 18 is the power input gear, 19 is the main drive cylinder, 20 is the rack mounting arm, 21 is the rack, 22 is the rack auxiliary support wheel, 23 is the main drive cylinder mounting frame, 24 is the stroke adjustment screw, 25 is the guide rail A, 26 is the slider A, 27 is the X-axis position fine adjustment cylinder, 28 is the lower connecting plate, 29 is the guide rail B, and 30 is the slider B. Detailed Implementation

[0031] The following is in conjunction with the appendix Figure 1-7 The present invention will be described in further detail below.

[0032] A small-space, fully automatic, flexible opening and closing latch structure, such as Figure 1-7 As shown, this embodiment includes a main mounting plate 1, a main drive component, a snap ring actuation component, a latch handle actuation component, and a fixed trajectory transmission component. The snap ring actuation component is used to directly actuate the snap ring of the latch, and the latch handle actuation component is used to directly actuate the handle of the latch.

[0033] The main drive component and the fixed trajectory transmission component are respectively mounted on the main mounting plate 1. The fixed trajectory transmission component has a power input end and includes a latch handle actuating component connecting arm 2 and an X-axis translation frame 3. The latch ring actuating component is mounted on the X-axis translation frame 3, and the latch handle actuating component is mounted on the latch handle actuating component connecting arm 2.

[0034] The power input end of the fixed trajectory transmission component is connected to the power output end of the main drive component. When the power output end of the main drive component is activated, it drives the X-axis translation frame 3 of the fixed trajectory transmission component to move back and forth in the direction of approaching or moving away from the buckle (i.e., moving along the X-axis direction). At the same time, it drives the connecting arm 2 of the buckle handle actuating component to move up and down along an arc-shaped trajectory. In this embodiment, the vertical direction is the Z-axis direction, and the X-axis direction is parallel to the length direction of the connecting arm 2 of the buckle handle actuating component.

[0035] Specifically, such as Figure 1 and Figure 2 As shown, in this embodiment, the retaining ring actuation component includes a retaining ring actuation cylinder 4, an X-axis adjustment frame 5, a Z-axis adjustment frame 6, and an upper fixing frame 7. The end of the upper fixing frame 7 closest to the main drive component is mounted on the top surface of the X-axis translation frame 3. The end of the upper fixing frame 7 furthest from the main drive component is connected to one end of the Z-axis adjustment frame 6 by screws. The other end of the Z-axis adjustment frame 6 is connected to the X-axis adjustment frame 5 by screws. The retaining ring actuation cylinder 4 is mounted on the X-axis adjustment frame 5. The drive end of the retaining ring actuation cylinder 4 faces vertically downwards and is equipped with a retaining ring actuation wedge 8. In this embodiment, the retaining ring actuation cylinder 4 is a commercially available product, and its operation is controlled by an external controller. In this embodiment, one end of the Z-axis adjustment frame 6 has several elongated holes arranged vertically for screws to pass through, and the X-axis adjustment frame 5 has several elongated holes arranged horizontally for screws to pass through, facilitating the adjustment of the height position of the Z-axis adjustment frame 6 after installation and the front-to-back position of the X-axis adjustment frame 5 after installation. When the drive end of the retaining ring actuating cylinder 4 extends, the retaining ring actuating wedge 8 can just extend into the retaining ring of the buckle, and then drive it to disengage the retaining ring of the buckle from the hook of the buckle.

[0036] Specifically, Figure 1 and Figure 3As shown, in this embodiment, the hook and latch handle actuation component includes an actuation hook mounting arm 9, an actuation hook rotating shaft 10, an actuation hook 11, and an actuation hook drive cylinder 12. The end of the actuation hook mounting arm 9 near the main drive component is connected to the end of the hook and latch handle actuation component connecting arm 2 away from the main drive component. The actuation hook drive cylinder 12 is mounted on the actuation hook mounting arm 9. The middle part of the actuation hook 11 is rotatably mounted on the end of the actuation hook mounting arm 9 away from the main drive component via the actuation hook rotating shaft 10. The end of the actuation hook 11 away from the main drive component is bent upwards to form a hook-shaped portion. The end of the actuation hook 11 near the main drive component is connected to the drive end of the actuation hook drive cylinder 12. In this embodiment, the actuation hook drive cylinder 12 is a commercially available product, and its operation is controlled by an external controller. By controlling the extension and retraction of the drive end of the hook-driven cylinder 12, the hook 11 is driven to rotate around the hook-driven shaft 10, thus enabling the hook 11 to enter or exit the inside of the handle of the hook-and-loop fastener. This solves the problem of fully automatic opening and closing of the hook-and-loop fastener when the distance between the hook-and-loop fastener and the supporting plane of the packaging box is limited. In this embodiment, the drive end of the hook-driven cylinder 12 faces vertically downward and is equipped with a pin 13. An elongated hole is formed along the length of the hook 11 at the end near the main drive component, and the pin 13 passes through the elongated hole of the hook 11. The connection structure is simple and reliable, and easy to disassemble and maintain.

[0037] Specifically, such as Figure 4 As shown, in this embodiment, the fixed trajectory transmission component also includes two sets of power input shaft mounting seats 14, power input shafts 15, connecting rods 16, and Z-axis guide wheels 17 that are configured to cooperate. The two sets of power input shaft mounting seats 14 are symmetrically arranged on the main mounting plates 1 on both sides of the length direction of the connecting arm 2 of the latch handle actuating component. The power input shafts 15 of each set serve as the power input end of the fixed trajectory transmission component and are rotatably connected to the power input shaft mounting seats 14 of the same set. The axial center lines of the two sets of power input shafts 15 are collinear and parallel to the horizontal plane. One end of the connecting rod 16 of each set is connected to the power input shaft 15 of the same set, and the other end of the connecting rod 16 of each set is hinged to the middle of the connecting arm 2 of the latch handle actuating component.

[0038] The X-axis translation frame 3 is equipped with two vertically arranged Z-axis guide rails 301. Four Z-axis guide wheels 17 are located on the end of the hook-and-loop handle actuation component connecting arm 2 near the main drive component. Two Z-axis guide wheels 17 are located on each side of the length direction of the hook-and-loop handle actuation component connecting arm 2, and each Z-axis guide wheel 17 rolls within its adjacent Z-axis guide rail 301. A guide rail A 25 is provided on the main mounting plate 1, and a slider A 26 is provided at the bottom of the X-axis translation frame 3, which is slidably connected to the guide rail A 25, allowing the X-axis translation frame 3 to move stably along the X-axis. Through the coordinated arrangement of the power input shaft mounting base 14, power input shaft 15, connecting rod 16, Z-axis guide wheels 17, and the X-axis translation frame 3 with Z-axis guide rails 301, the rotation of the power input shaft 15 can further drive the hook-and-loop handle actuation component connecting arm 2 to move stably up and down along an arc-shaped trajectory, thereby changing the height position of the hook-and-loop handle actuation component.

[0039] Specifically, such as Figure 4-6 As shown, in this embodiment, each power input shaft 15 is equipped with a power input gear 18. The main drive component includes a main drive cylinder 19, a rack mounting arm 20, and a rack 21. The main drive cylinder 19 is mounted on the main mounting plate 1, and the rack mounting arm 20 is mounted on the drive end of the main drive cylinder 19. The axial centerline of the drive end of the main drive cylinder 19 is parallel to the length direction of the connecting arm 2 of the latch handle actuating component. A rack 21 is mounted on the rack mounting arm 20 at a position corresponding to each power input gear 18. Each rack 21 serves as the power output end of the main drive component and meshes with a corresponding power input gear 18. In this embodiment, the main drive cylinder 19 is a commercially available product, and its operation is controlled by an external controller. The drive end of the main drive cylinder 19 extends and retracts, causing the rack 21 connected to the rack mounting arm 20 to move along the X-axis, thereby causing the power input shaft 15 connected to the power input gear 18 to rotate.

[0040] Each rack 21 is located below the corresponding power input gear 18. The main mounting plate 1 is equipped with rack auxiliary support wheels 22 for supporting each rack 21 from below, which supports the rack 21, so that the rack 21 can move stably and reduce the bending moment it bears.

[0041] The main drive cylinder 19 is mounted on the main mounting plate 1 via the main drive cylinder mounting bracket 23. A stroke adjustment screw 24, threadedly connected to the main drive cylinder mounting bracket 23, is used to block the rack mounting arm 20 and limit its travel. The axial centerline of the stroke adjustment screw 24 is parallel to the translation direction of the X-axis translation frame 3. By rotating the stroke adjustment screw 24, the travel of the rack 21 on the rack mounting arm 20 can be adjusted by extending or retracting it towards the X-axis translation frame 3.

[0042] Specifically, such as Figure 1 and Figure 7 As shown, the small-space fully automatic flexible opening and closing latch structure in this embodiment also includes an X-axis position fine-tuning component. The X-axis position fine-tuning component includes an X-axis position fine-tuning cylinder 27 and a lower connecting plate 28. The lower connecting plate 28 is located below the main mounting plate 1. The X-axis position fine-tuning cylinder 27 is mounted on the lower connecting plate 28. The driving end of the X-axis position fine-tuning cylinder 27 is connected to the main mounting plate 1. The lower connecting plate 28 is also provided with two guide rails B 29. The main mounting plate 1 is provided with sliders B 30 at positions corresponding to each guide rail B 29. Each slider B 30 is slidably connected to the corresponding guide rail B 29. The axial center line of the driving end of the X-axis position fine-tuning cylinder 27 and the length direction of each guide rail B 29 are both parallel to the translation direction of the X-axis translation frame 3. The X-axis position fine-tuning component is used to move the main mounting plate 1 and all its components along the X-axis direction. This allows for control of the main drive component's movement as needed, and adjustment of the hook-and-loop handle's position via the fixed-track transmission component. This effectively improves the efficiency of switching the hook-and-loop handle's position and avoids interference with the hook. In this embodiment, the lower connecting plate 28 is connected to an external main frame that can move along the X-axis direction. This allows the entire invention to be positioned significantly closer to or further away from the packaging box with the hook, facilitating the operation of other equipment used for processing the packaging box. It also allows the packaging box to be placed on a support platform that can be moved closer to or further away from the invention, achieving the same effect.

[0043] In this embodiment, the opening and closing process of the small-space fully automatic flexible opening and closing latch structure is as follows: The drive end of the X-axis position fine-tuning cylinder 27 of the X-axis position fine-tuning component is kept extended, and the device is in the open state; the drive end of the toggle hook drive cylinder 12 extends, and the toggle hook 11 enters the inside of the latch handle; the drive end of the main drive cylinder 19 is controlled to retract, causing the rack 21 to drive the power input gear 18 to rotate, transmitting power to the connecting rod 16, which in turn drives the latch handle toggle component connecting arm 2 and the latch handle toggle component to move up and down along an arc-shaped trajectory to the highest point, opening the latch handle; the drive end of the retaining ring toggle cylinder 4 extends... When the snap ring actuation wedge 8 extends into the snap ring of the hook and releases, the entire invention moves backward along the X-axis away from the packaging box, allowing the snap ring actuation wedge 8 to pull the snap ring out of the hook and release. Then, the drive end of the snap ring actuation cylinder 4 retracts. The drive end of the main drive cylinder 19 extends, causing the rack 21 to drive the power input gear 18 to rotate. Power is transmitted to the connecting rod 16, causing the hook and release handle actuation component connecting arm 2 and the hook and release handle actuation component to move up and down along an arc-shaped trajectory to the lowest point. The drive end of the actuation hook drive cylinder 12 retracts, and the actuation hook 11 exits from the handle of the hook and release, completing the hook and release action.

[0044] In this embodiment, the closing process of the small-space fully automatic flexible opening and closing hook-and-loop fastener structure is as follows: The drive end of the control hook drive cylinder 12 extends, and the control hook 11 enters the inside of the hook-and-loop handle; the drive end of the control main drive cylinder 19 retracts, and the rack 21 drives the power input gear 18 to rotate, transmitting power to the connecting rod 16, causing the hook-and-loop handle actuation component connecting arm 2 and the hook-and-loop handle actuation component to perform an arc-shaped translational motion to the highest point. At this time, the hook-and-loop catch ring will hook into the hook-and-loop hook under inertia; the drive end of the control main drive cylinder 19 extends, causing the hook-and-loop handle actuation component connecting arm 2 and the hook-and-loop handle actuation component to perform an arc-shaped translational motion to the highest point. At this time, the hook-and-loop catch ring will hook into the hook-and-loop hook under inertia; the drive end of the control main drive cylinder 19 extends, causing the hook-and-loop handle actuation component connecting arm 2 and the hook-and-loop handle actuation component to... When the movement reaches the lowest point, the drive end of the X-axis position fine-tuning cylinder 27 retracts; the drive end of the toggle hook drive cylinder 12 extends to ensure that the toggle hook 11 is outside the buckle range during the movement; the drive end of the main drive cylinder 19 retracts again, so that the buckle handle toggle component is above the buckle handle; then the drive end of the X-axis position fine-tuning cylinder 27 extends, the drive end of the toggle hook drive cylinder 12 retracts, and the drive end of the main drive cylinder 19 extends again. During the process of returning to the lowest point, the toggle hook 11 presses down on the buckle handle and closes and locks the buckle handle.

Claims

1. A small-space fully automatic flexible opening and closing latch structure, characterized in that: It includes a main mounting plate (1), a main drive component, a snap ring actuation component, a hook and loop handle actuation component, and a fixed trajectory transmission component. The snap ring actuation component is used to directly actuate the snap ring of the hook and loop, and the hook and loop handle actuation component is used to directly actuate the handle of the hook and loop. The main drive component and the fixed trajectory transmission component are respectively disposed on the main mounting plate (1). The fixed trajectory transmission component has a power input end and includes a hook handle actuating component connecting arm (2) and an X-axis translation frame (3). The snap ring actuating component is mounted on the X-axis translation frame (3), and the hook handle actuating component is mounted on the hook handle actuating component connecting arm (2). The power input end of the fixed trajectory transmission component is connected to the power output end of the main drive component. When the power output end of the main drive component moves, it drives the X-axis translation frame (3) of the fixed trajectory transmission component to move back and forth in the direction of approaching or moving away from the buckle, and at the same time drives the connecting arm (2) of the buckle handle to move up and down along the arc-shaped trajectory. The retaining ring actuation component includes a retaining ring actuation cylinder (4), an X-axis adjustment frame (5), a Z-axis adjustment frame (6), and an upper fixing frame (7). The end of the upper fixing frame (7) closest to the main drive component is mounted on the X-axis translation frame (3). The end of the upper fixing frame (7) furthest from the main drive component is connected to one end of the Z-axis adjustment frame (6). The other end of the Z-axis adjustment frame (6) is connected to the X-axis adjustment frame (5). The retaining ring actuation cylinder (4) is mounted on the X-axis adjustment frame (5). The driving end of the retaining ring actuation cylinder (4) faces vertically downward and is equipped with a retaining ring actuation wedge (8). The hook handle actuation component includes an actuation hook mounting arm (9), an actuation hook rotating shaft (10), an actuation hook (11), and an actuation hook driving cylinder (12). The end of the actuation hook mounting arm (9) near the main driving component is connected to the end of the hook handle actuation component connecting arm (2) away from the main driving component. The actuation hook driving cylinder (12) is mounted on the actuation hook mounting arm (9). The middle part of the actuation hook (11) is rotatably mounted on the end of the actuation hook mounting arm (9) away from the main driving component via the actuation hook rotating shaft (10). The end of the actuation hook (11) away from the main driving component is bent upward to form a hook-shaped part. The end of the actuation hook (11) near the main driving component is connected to the driving end of the actuation hook driving cylinder (12).

2. The small-space fully automatic flexible opening and closing latch structure according to claim 1, characterized in that: The driving end of the toggle hook drive cylinder (12) is vertically downward and is equipped with a pin (13). The end of the toggle hook (11) near the main drive component has an elongated hole along the length of the toggle hook (11), and the pin (13) passes through the elongated hole of the toggle hook (11).

3. The small-space fully automatic flexible opening and closing latch structure according to claim 1, characterized in that: The fixed trajectory transmission component also includes two sets of power input shaft mounting seats (14), power input shafts (15), connecting rods (16) and Z-axis guide wheels (17) that are configured together. The two sets of power input shaft mounting seats (14) are symmetrically arranged on the main mounting plates (1) on both sides of the length direction of the connecting arm (2) of the latch handle actuating component. The power input shafts (15) of each set serve as the power input end of the fixed trajectory transmission component and are rotatably connected to the power input shaft mounting seats (14) of the same set. The axial center lines of the power input shafts (15) of the two sets are collinear and parallel to the horizontal plane. One end of the connecting rod (16) of each set is connected to the power input shaft (15) of the same set, and the other end of the connecting rod (16) of each set is hinged to the middle of the connecting arm (2) of the latch handle actuating component. The X-axis translation frame (3) is provided with a number of Z-axis guide rails (301) arranged in the vertical direction. The hook handle toggle component connecting arm (2) is provided with a number of Z-axis guide wheels (17) at one end near the main drive component. Each Z-axis guide wheel (17) rolls in the adjacent Z-axis guide rail (301).

4. The small-space fully automatic flexible opening and closing latch structure according to claim 3, characterized in that: Each group of power input shafts (15) is equipped with a power input gear (18). The main drive component includes a main drive cylinder (19), a rack mounting arm (20), and a rack (21). The main drive cylinder (19) is mounted on the main mounting plate (1), and the rack mounting arm (20) is mounted on the drive end of the main drive cylinder (19). The axial center line of the drive end of the main drive cylinder (19) is parallel to the length direction of the connecting arm (2) of the latch handle actuation component. The rack (21) is mounted on the rack mounting arm (20) at the corresponding position of each of the power input gears (18). Each rack (21) serves as the power output end of the main drive component and meshes with a corresponding power input gear (18).

5. The small-space fully automatic flexible opening and closing latch structure according to claim 4, characterized in that: Each rack (21) is located below the corresponding power input gear (18), and a rack auxiliary support wheel (22) for supporting each rack (21) from below is mounted on the main mounting plate (1).

6. The small-space fully automatic flexible opening and closing latch structure according to claim 4, characterized in that: The main drive cylinder (19) is mounted on the main mounting plate (1) via the main drive cylinder mounting bracket (23). The main drive cylinder mounting bracket (23) is threadedly connected to a stroke adjustment screw (24) for blocking the rack mounting arm (20) and for limiting the movement stroke of the rack mounting arm (20). The axial center line of the stroke adjustment screw (24) is parallel to the translation direction of the X-axis translation frame (3).

7. The small-space fully automatic flexible opening and closing latch structure according to claim 1, characterized in that: The main mounting plate (1) is provided with a guide rail A (25), and the bottom of the X-axis translation frame (3) is provided with a slider A (26) that is slidably connected to the guide rail A (25).

8. The small-space fully automatic flexible opening and closing latch structure according to claim 1, characterized in that: It also includes an X-axis position fine-tuning component, which includes an X-axis position fine-tuning cylinder (27) and a lower connecting plate (28). The lower connecting plate (28) is located below the main mounting plate (1). The X-axis position fine-tuning cylinder (27) is mounted on the lower connecting plate (28). The driving end of the X-axis position fine-tuning cylinder (27) is connected to the main mounting plate (1). The lower connecting plate (28) is also provided with several guide rails B (29). The main mounting plate (1) is provided with sliders B (30) at positions corresponding to each guide rail B (29). Each slider B (30) is slidably connected to the corresponding guide rail B (29). The axial center line of the driving end of the X-axis position fine-tuning cylinder (27) and the length direction of each guide rail B (29) are parallel to the translation direction of the X-axis translation frame (3).

Images