Clamping assembly for automatic loading and unloading of ton bags

Abstract

The utility model relates to the technical field of ton bag loading and unloading, in particular to a clamping assembly for automatic loading and unloading of ton bags, which comprises a movable support, a rope lifting mechanism is arranged on the surface of the movable support, the rope lifting mechanism comprises a first guide frame, and the first guide frame is fixedly connected to the surface of the first guide frame. A first motor is fixedly connected to the surface of the first guide frame, and a first bidirectional lead screw is fixedly connected to an output shaft of the first motor. According to the ton bag lifting device, the ton bag lifting belt is firstly lifted to a certain height through the lifting rope gripper on the lifting rope mechanism, then the lifting gripper is moved to the ton bag lifting belt, in the process that the lifting device drives the lifting gripper to ascend, the lifting gripper drives the ton bag to ascend through the ton bag lifting belt, the ton bag lifting belt does not need to be limited on the lifting gripper manually, and the lifting efficiency is improved. And by adopting a mechanical operation mode, more time and labor are saved, and the operation safety is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of ton bag unloading, in particular to a clamping assembly for automatic loading and unloading of ton bags. Background Art

[0002] Ton bag loading and unloading refers to the process of loading and unloading ton bags using specific methods and equipment. Ton bags are a common packaging method, typically used to carry heavy items such as grain, minerals, and chemicals. Ton bags are characterized by their large size and weight, and are typically made of waterproof, wear-resistant, and pressure-resistant materials.

[0003] Ton bags are usually equipped with two slings. Workers will limit the slings through the clamping components at the bottom of the lifting device, usually using hooks. However, the existing clamping components require manual operation to limit the slings on the ton bag. Manual operation is time-consuming and labor-intensive, and also increases safety risks. Utility Model Content

[0004] The purpose of the present invention is to provide a clamping assembly for automatic loading and unloading of ton bags, so as to solve the problem in the above-mentioned background technology that the existing clamping assembly requires manual operation to limit the slings on the ton bags, which is time-consuming and labor-intensive and also increases safety risks.

[0005] To achieve the above-mentioned object, the utility model provides the following technical solution: a clamping assembly for automatic loading and unloading of ton bags: comprising a mobile bracket, a rope lifting mechanism is provided on the surface of the mobile bracket, the rope lifting mechanism comprises a first guide bracket, the first guide bracket is fixedly connected to the surface of the first guide bracket, a first motor is fixedly connected to the surface of the first guide bracket, a first bidirectional screw is fixedly connected to the output shaft of the first motor, a square nut is threadedly connected to the surface of the first bidirectional screw, a connecting block is fixedly connected to the surface of the square nut, a cylinder is fixedly connected to the surface of the connecting block, a movable block is fixedly connected to the surface of the movable block, a second motor is fixedly connected to the output shaft of the second motor, a rope lifting grip is fixedly connected, a gripping mechanism is provided on the surface of the mobile bracket, the gripping mechanism comprises a second guide bracket, the second guide bracket is fixedly connected to the surface of the mobile bracket, a third motor is fixedly connected to the surface of the second guide bracket, a second bidirectional screw is fixedly connected to the output shaft of the third motor, a guide rod is fixedly connected to the surface of the second guide bracket, and a lifting grip is threadedly connected to the surface of the second bidirectional screw.

[0006] Preferably, a guide groove is provided on the surface of the first guide frame, and the first bidirectional screw rotates on the guide groove of the first guide frame through the output shaft of the first motor. There are two groups of the first guide frames, and the first guide frames are symmetrically distributed at the bottom of the movable bracket.

[0007] Preferably, the square nuts slide on the guide grooves of the first guide frame by rotating the first bidirectional screw, and two groups of square nuts are provided, and the sliding directions of the two groups of square nuts are opposite.

[0008] Preferably, the connecting block slides on the bottom of the first guide frame through a square nut, and the connecting block drives the rope grab to slide on the bottom of the first guide frame through a cylinder and a movable block.

[0009] Preferably, the cylinder drives the movable block to rise and fall through the piston rod, the rope lifting grip and the second motor rise and fall synchronously following the movable block, and the rope lifting grip rotates on the movable block through the output shaft of the second motor.

[0010] Preferably, the lifting grip is in a "J" shape, a guide hole and a threaded hole are provided on the surface of the lifting grip, the second bidirectional screw is threadedly connected to the thread of the lifting grip, and the lifting grip slides on the surface of the guide rod through the guide hole.

[0011] Preferably, the output shaft of the third motor drives the second bidirectional screw to rotate on the second guide frame, and the second bidirectional screw drives the lifting gripper to slide at the bottom of the second guide frame through rotation. The lifting gripper is provided in two groups, and the moving directions of the two groups of lifting grippers are opposite.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. The clamping assembly first raises the ton bag sling to a certain height through the rope lifting grip on the rope lifting mechanism, and then moves the lifting grip to the ton bag sling. During the process of the lifting device driving the lifting grip to rise, the lifting grip drives the ton bag to rise through the ton bag sling. There is no need to manually limit the ton bag sling on the lifting grip. The mechanical operation method saves time and effort, and is safer to operate.

[0014] 2. In this clamping assembly, the cylinder drives the movable block and the rope-lifting grip to descend through the piston rod, so that the second motor is located on both sides of the ton bag sling, and the first bidirectional screw is driven to rotate through the output shaft of the first motor. The first bidirectional screw drives the square nut to slide on the guide groove of the first guide frame through rotation, and the square nut drives the movable block and the rope-lifting grip to move through the connecting block. When the rope-lifting grip moves to the bottom of the ton bag sling, the second motor drives the rope-lifting grip to rotate through the output shaft, and the rope-lifting grip lifts the ton bag sling through rotation. The rope-lifting grip is flexible and convenient to move, and can lift the ton bag sling in different states, avoiding manual assistance in lifting. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a frontal perspective schematic diagram of the structure of the present utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the present invention from the front and bottom perspectives;

[0017] Figure 3 For this utility model Figure 2 Schematic diagram of the enlarged structure at A in the middle;

[0018] Figure 4 It is a schematic perspective view of the rope lifting mechanism of the utility model from the front and bottom;

[0019] Figure 5 For this utility model Figure 4 Schematic diagram of the enlarged structure at point B in the middle.

[0020] In the figure: 1. Mobile bracket; 11. First guide frame; 12. First motor; 13. First bidirectional screw rod; 14. Square nut; 15. Connecting block; 16. Cylinder; 17. Movable block; 18. Second motor; 19. Rope lifting handle; 2. Second guide frame; 21. Third motor; 22. Second bidirectional screw rod; 23. Guide rod; 24. Lifting handle. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1-5 , an embodiment provided by the utility model:

[0023] A clamping assembly for automatic loading and unloading of ton bags: comprises a mobile bracket 1, a rope lifting mechanism is provided on the surface of the mobile bracket 1, the rope lifting mechanism comprises a first guide frame 11, the first guide frame 11 is fixedly connected to the surface of the first guide frame 11, a first motor 12 is fixedly connected to the surface of the first guide frame 11, a first bidirectional screw rod 13 is fixedly connected to the output shaft of the first motor 12, a square nut 14 is threadedly connected to the surface of the first bidirectional screw rod 13, a connecting block 15 is fixedly connected to the surface of the square nut 14, a cylinder 16 is fixedly connected to the surface of the connecting block 15, a movable block 17 is fixedly connected to the piston rod of the cylinder 16, a second motor 18 is fixedly connected to the surface of the movable block 17, a rope lifting gripper 19 is fixedly connected to the output shaft of the second motor 18, a grabbing mechanism is provided on the surface of the mobile bracket 1, the grabbing mechanism It includes a second guide frame 2, which is fixedly connected to the surface of the movable bracket 1, and a third motor 21 is fixedly connected to the surface of the second guide frame 2, and a second bidirectional screw rod 22 is fixedly connected to the output shaft of the third motor 21, and a guide rod 23 is fixedly connected to the surface of the second guide frame 2, and a lifting grip 24 is threadedly connected to the surface of the second bidirectional screw rod 22. The clamping assembly first lifts the sling on the ton bag to a certain horizontal height through the lifting grip 19 on the lifting mechanism, and then limits the sling on the ton bag to the lifting grip 24 through the grabbing mechanism. The lifting device drives the clamping assembly to rise and fall, and the clamping assembly drives the ton bag to rise and fall through the lifting grip 24 and the sling. The clamping assembly does not need to manually limit the ton bag sling on the lifting grip 24. The mechanical operation method saves time and labor, and is safer to operate.

[0024] Furthermore, a guide groove is provided on the surface of the first guide frame 11, and the first bidirectional screw rod 13 rotates on the guide groove of the first guide frame 11 through the output shaft of the first motor 12. There are two groups of first guide frames 11, and the first guide frames 11 are symmetrically distributed at the bottom of the mobile bracket 1. Each group of first guide frames 11 is provided with two groups of rope lifting grips 19. There are a total of four groups of rope lifting grips 19 at the bottom of the mobile bracket 1 for lifting ropes for ton bags.

[0025] Furthermore, the square nut 14 slides on the guide groove of the first guide frame 11 through the rotation of the first bidirectional screw 13. Two groups of square nuts 14 are provided, and the sliding directions of the two groups of square nuts 14 are opposite, thereby driving the two groups of connecting blocks 15 to slide at the bottom of the first guide frame 11.

[0026] Furthermore, the connecting block 15 slides at the bottom of the first guide frame 11 through the square nut 14, and the connecting block 15 drives the rope grab 19 to slide at the bottom of the first guide frame 11 through the cylinder 16 and the movable block 17, and the rope grab 19 slides in the direction of the sliding ton bag sling.

[0027] Furthermore, the cylinder 16 drives the movable block 17 to rise and fall through the piston rod, and the rope lifting grip 19 and the second motor 18 rise and fall synchronously with the movable block 17. Multiple groups of movable blocks 17 and rope lifting grips 19 can be lifted and lowered according to the position of the ton bag. The rope lifting grip 19 rotates on the movable block 17 through the output shaft of the second motor 18, and the rope lifting grip 19 lifts the ton bag sling by rotating, and the rope lifting grip 19 increases the height of the ton bag sling by rising.

[0028] Furthermore, the lifting grip 24 is in a "J" shape, and a guide hole and a threaded hole are provided on the surface of the lifting grip 24. The second bidirectional screw rod 22 is threadedly connected to the thread of the lifting grip 24. The lifting grip 24 slides on the surface of the guide rod 23 through the guide hole. The lifting grip 24 will slide to one side of the ton bag sling, so that the lifting grip 24 is at the ton bag sling. The lifting grip 24 is raised through the lifting device, and the lifting grip 24 can limit the ton bag sling to the surface of the lifting grip 24.

[0029] Furthermore, the output shaft of the third motor 21 drives the second bidirectional screw 22 to rotate on the second guide frame 2, and the second bidirectional screw 22 drives the lifting grip 24 to slide at the bottom of the second guide frame 2 through rotation. There are two groups of lifting grips 24, and the moving directions of the two groups of lifting grips 24 are opposite. The lifting grips 24 are pulled to correspond to the two slings of the ton bag respectively, and the lifting grips 24 are conveniently caught by the ton bag slings at the bottom of the movable bracket 1 through movement.

[0030] Working principle: The hoisting device drives the clamping assembly to move above the ton bag, and the cylinder 16 drives the movable block 17 and the rope grab 19 to descend through the piston rod, so that the second motor 18 is on both sides of the ton bag sling, and the first bidirectional screw rod 13 is driven to rotate by the output shaft of the first motor 12. The first bidirectional screw rod 13 drives the square nut 14 to slide on the guide groove of the first guide frame 11 through rotation, and the square nut 14 drives the movable block 17 and the rope grab 19 to move through the connecting block 15. When the rope grab 19 moves to the bottom of the ton bag sling, the second motor 18 drives the rope grab 19 to rotate through the output shaft, and the rope grab 19 rotates the ton bag sling. The bag sling is lifted, and the cylinder 16 rises with the lifting rope grip 19 through the piston rod, and the lifting rope grip 19 then drives the ton bag sling to rise. After the ton bag sling rises to a certain height, the output shaft of the third motor 21 drives the second bidirectional screw rod 22 to rotate, and the second bidirectional screw rod 22 drives the lifting grip 24 to slide on the guide rod 23 through rotation, and moves the lifting grip 24 to the ton bag sling. In the process of the lifting device driving the lifting grip 24 to rise, the lifting grip 24 drives the ton bag to rise through the ton bag sling. There is no need to manually limit the ton bag sling on the lifting grip 24. The mechanical operation method saves time and labor, and is safer to operate.

[0031] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A clamping assembly for automatic loading and unloading of ton bags, characterized by: The invention comprises a movable bracket (1), a rope-lifting mechanism is provided on the surface of the movable bracket (1), the rope-lifting mechanism comprises a first guide frame (11), the first guide frame (11) is fixedly connected to the surface of the first guide frame (11), a first motor (12) is fixedly connected to the surface of the first guide frame (11), a first bidirectional screw rod (13) is fixedly connected to the output shaft of the first motor (12), a square nut (14) is threadedly connected to the surface of the first bidirectional screw rod (13), a connecting block (15) is fixedly connected to the surface of the square nut (14), a cylinder (16) is fixedly connected to the surface of the connecting block (15), a movable block ( 17), a second motor (18) is fixedly connected to the surface of the movable block (17), a rope grab (19) is fixedly connected to the output shaft of the second motor (18), a grabbing mechanism is provided on the surface of the mobile bracket (1), the grabbing mechanism includes a second guide frame (2), the second guide frame (2) is fixedly connected to the surface of the mobile bracket (1), a third motor (21) is fixedly connected to the surface of the second guide frame (2), a second bidirectional screw rod (22) is fixedly connected to the output shaft of the third motor (21), a guide rod (23) is fixedly connected to the surface of the second guide frame (2), a lifting grab (24) is threadedly connected to the surface of the second bidirectional screw rod (22), and the like.

2. The clamping assembly for automatic loading and unloading of ton bags according to claim 1 is characterized in that: A guide groove is provided on the surface of the first guide frame (11); the first bidirectional screw rod (13) rotates on the guide groove of the first guide frame (11) via the output shaft of the first motor (12); two groups of the first guide frames (11) are provided, and the first guide frames (11) are symmetrically distributed at the bottom of the movable bracket (1).

3. The clamping assembly for automatic loading and unloading of ton bags according to claim 1 is characterized in that: The square nut (14) slides on the guide groove of the first guide frame (11) through the rotation of the first bidirectional screw rod (13). Two groups of square nuts (14) are provided, and the sliding directions of the two groups of square nuts (14) are opposite.

4. The clamping assembly for automatic loading and unloading of ton bags according to claim 3 is characterized in that: The connecting block (15) slides on the bottom of the first guide frame (11) through the square nut (14), and the connecting block (15) drives the rope grab (19) to slide on the bottom of the first guide frame (11) through the cylinder (16) and the movable block (17).

5. The clamping assembly for automatic loading and unloading of ton bags according to claim 4 is characterized in that: The cylinder (16) drives the movable block (17) to rise and fall through the piston rod, and the rope-lifting grip (19) and the second motor (18) rise and fall synchronously following the movable block (17). The rope-lifting grip (19) rotates on the movable block (17) through the output shaft of the second motor (18).

6. The clamping assembly for automatic loading and unloading of ton bags according to claim 1 is characterized in that: The lifting grip (24) is in a "J" shape, and a guide hole and a threaded hole are provided on the surface of the lifting grip (24). The second bidirectional screw rod (22) is threadedly connected to the thread of the lifting grip (24), and the lifting grip (24) slides on the surface of the guide rod (23) through the guide hole.

7. The clamping assembly for automatic loading and unloading of ton bags according to claim 6, characterized in that: The output shaft of the third motor (21) drives the second bidirectional screw (22) to rotate on the second guide frame (2), and the second bidirectional screw (22) drives the lifting gripper (24) to slide at the bottom of the second guide frame (2) through rotation. The lifting gripper (24) is provided with two groups, and the movement directions of the two groups of lifting grippers (24) are opposite.

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