Transfer structure for pallet strapping device

Abstract

A transmission structure for a pallet strapping device comprising a front side plate (1) and a rear side plate (2), characterized in that the front side plate (1) and the rear side plate (2) form a housing, wherein two groups of drive assemblies are mounted on one side of the front side plate (1) and an output shaft (61) is arranged on the output side of the drive assembly, wherein a sprocket (10) is embedded on the outer wall of the output shaft (61), wherein a sliding groove (5) is provided on the inner walls in the interior spaces of the front side plate (1) and the rear side plate (2), wherein an upper guide chain (3) and a lower guide chain (4) are arranged on the inner wall of the sliding groove (5), wherein the upper guide chain (3) consists of several groups of connecting elements (9),wherein each group of connecting elements (9) is movably connected to one another and the end position of the angle of rotation between the connecting elements (9) can be limited, wherein, when the upper guide chain (3) and the lower guide chain (4) extend to the ground, the upper guide chain (3) and the lower guide chain (4) lie one above the other and are on the same horizontal plane.

Description

Technical area

[0001] The present utility model relates to the field of pallet strapping devices, in particular to a transmission structure for pallet strapping devices. State of the art

[0002] The core function of the strapping machine is to realize automatic strapping of the packaging strap, thus replacing the traditional manual handling and strapping of the strap by bending down. The cooperation of the drive motor, chain transmission and intelligent control unit ensures that the packaging strap is quickly and accurately passed through the gaps of the goods or pallets and the strapping is completed, thereby improving the strapping efficiency. However, in the previous strapping machines, the stability of the guide chain transmission is relatively poor, and the structure for stopping the chain sliding by limiting the strap when the chain sliding stops the movement is relatively complex. Contents of this utility model

[0003] On this basis, the object of the present utility model is to provide a transmission structure for pallet strapping device in order to solve the above-mentioned technical problems of the prior art.

[0004] To achieve the above-mentioned object, the present utility model provides the following technical solution: a transmission structure for pallet strapping device, comprising a front side plate and a rear side plate, wherein the front side plate and the rear side plate form a housing, wherein two groups of drive assemblies are mounted on one side of the front side plate and an output shaft is arranged on the output side of the drive assembly, wherein a sprocket is embedded on the outer wall of the output shaft, wherein a sliding groove is provided on the inner walls in the interior spaces of the front side plate and the rear side plate, wherein an upper guide chain and a lower guide chain are arranged on the inner wall of the sliding groove, wherein the upper guide chain consists of several groups of connecting elements,which are each movably connected to one another and the end position of the angle of rotation between the connecting elements can be limited, whereby, when the upper guide chain and the lower guide chain extend to the ground, the upper guide chain and the lower guide chain lie one above the other and are on the same horizontal plane.

[0005] The above-mentioned technical solution improves the stability of the strapping machine's operation through two sets of sprocket transmissions. A control unit can execute and program commands to the motor. The extension length of the upper and lower guide chains can be dynamically adjusted to meet the strapping requirements of different pallet sizes. By stopping the motor's power transmission, the chains are braked and precisely extended and retracted synchronously. The upper guide chain consists of several links arranged in an I-shape. The interaction of limit blocks and limit grooves allows unlimited rotation between two links, ensuring the upper guide chain maintains a smooth forward extension movement.As the upper guide chain lifts off the ground, the limited rotation between the chain links ensures that the upper guide chain maintains its upward extension movement.

[0006] In the present utility model, it is further provided that an inner groove and an outer groove are provided at each end of the connecting element, wherein a limiting groove is provided on the inner walls of the inner groove and the outer groove, and limiting blocks are fastened in the interiors of the inner groove and the outer groove, wherein a camshaft is fastened to the inner wall of the outer groove, and wherein a through hole is provided on the inner wall of the inner groove.

[0007] Preferably, each group of connecting elements is rotatably connected to each other via the camshaft. During use, each group of connecting elements rotates around the camshaft as a pivot point. As the connecting elements rotate, the limit block moves along the inner wall of the limit groove. The limit block fits into the limit groove, allowing the end position of the rotation angle of each group of connecting elements to be achieved.

[0008] In the present utility model, it is further provided that bearings are provided on both sides of the sprocket, which bearings are mounted in the interiors of the front side plate and the rear side plate.

[0009] Preferably, the arrangement of the bearings can reduce the friction between the sprocket and the front side plate and the rear side plate.

[0010] In the present utility model, it is further provided that a fastening hole is provided in the interior of the front side plate and the rear side plate.

[0011] Preferably, the mounting holes facilitate the installation of the bearings.

[0012] The present utility model further provides for a connecting block to be mounted on one side of the rear side plate, which is located on one side of the sprocket.

[0013] Preferably, the arrangement of the connecting block can limit the sprocket to prevent the sprocket from wobbling.

[0014] In summary, the present utility model has mainly the following advantageous effects: By arranging an upper guide chain, a lower guide chain, a sprocket, a connecting element, a limit block, and a limit groove in the present utility model, the stability of the strapping device's operation is improved by two groups of sprocket transmissions. A control unit can execute and program commands to the motor. The length of the upper and lower guide chains can be dynamically adjusted to meet the strapping requirements of different pallet sizes. By stopping the motor's power transmission, the chains are braked and precisely extended and retracted synchronously. The upper guide chain consists of several connecting elements arranged in an I-shape.The interaction of limit blocks and limit grooves allows for unlimited rotation between two connecting elements, allowing the upper guide chain to maintain a smooth forward extension. When the upper guide chain lifts off the ground, the limited rotation between the chain links ensures that the upper guide chain maintains its upward extension. Short description of the drawing Fig. Figure 1 shows a schematic representation of the structure of the utility model; Fig. Figure 2 shows a schematic representation of the decomposition of the utility model; Fig. 3 shows a schematic representation of the assembly of the sprocket of the utility model; Fig. Figure 4 shows a schematic representation of the structure of the upper guide chain of the utility model; Fig. Figure 5 shows a three-dimensional representation of the connector element of the utility model. Explanation of reference symbols:

[0015] 1, Front side plate; 2, Rear side plate; 3, Upper guide chain; 4, Lower guide chain; 5, Slide groove; 6, Motor; 61, Output shaft; 7, Mounting hole; 8, Bearing; 9, Connecting element; 91, Inner groove; 92, Outer groove; 93, Limit block; 94, Limit groove; 95, Camshaft; 96, Through hole; 10, Sprocket; 11, Connecting block. Detailed embodiments

[0016] The technical solutions in the embodiments of the present utility model are described clearly and completely below in conjunction with the drawings. The following embodiments, which are described with reference to the drawings, are exemplary and serve only to explain the present utility model and are not to be understood as limiting the present utility model.

[0017] In the following, the embodiment of the present utility model is explained based on the overall structure of the utility model.

[0018] Referring to the Fig. 1 to 5, which comprise a front side plate 1 and a rear side plate 2, the front side plate 1 and the rear side plate 2 form a housing, wherein two groups of drive assemblies, which are motors 6, are mounted on one side of the front side plate 1, wherein an output shaft 61 is arranged on the output side of the drive assembly, wherein a sprocket 10 is embedded on the outer wall of the output shaft 61, wherein a sliding groove 5 is provided on the inner walls in the interior spaces of the front side plate 1 and the rear side plate 2, wherein an upper guide chain 3 and a lower guide chain 4 are arranged on the inner wall of the sliding groove 5, wherein the upper guide chain 3 consists of several groups of connecting elements 9, wherein each group of connecting elements 9 is movably connected to one another and can limit the end position of the angle of rotation between the connecting elements 9, wherein,when the upper guide chain 3 and the lower guide chain 4 extend to the ground, the upper guide chain 3 and the lower guide chain 4 lie one above the other and are on the same horizontal plane.,

[0019] In the above example, please refer specifically to the Fig. 4 and Fig. 5, in which an inner groove 91 and an outer groove 92 are provided at both ends of the connecting element 9, wherein a limiting groove 94 is provided on the inner walls of the inner groove 91 and the outer groove 92, and limiting blocks 93 are fastened in the interiors of the inner groove 91 and the outer groove 92, wherein a camshaft 95 is fastened to the inner wall of the outer groove 92, wherein the connecting element 9 is arranged in an I-shape, wherein a through hole 96 is provided on the inner wall of the inner groove 91, wherein each group of connecting elements 9 is rotatably connected to one another via the camshaft 95, wherein, in use, each group of connecting elements 9 rotates around the camshaft 95 as a pivot point, wherein, as the connecting element 9 rotates, the limiting block 93 moves on the inner wall of the limiting groove 94, and wherein the limiting block 93 fits into the limiting groove 94,whereby the end position of the rotation angle of each group of connecting elements 9 can be reached.,

[0020] In the above example, please refer specifically to the Fig. 3, in which bearings 8 are provided on both sides of the sprocket 10, the bearings 8 being mounted in the interiors of the front side plate 1 and the rear side plate 2, whereby the requirement of the bearings 8 can reduce the friction between the sprocket 10 and the front side plate 1 and the rear side plate 2.

[0021] In the above example, please refer specifically to the Fig. 3, in which a fastening hole 7 is provided in the interior of the front side plate 1 and the rear side plate 2, wherein the mounting of the bearings 8 can be facilitated by the fastening holes 7 provided.

[0022] In the above-mentioned embodiment, please refer specifically to the drawings, in which a connecting block 11 is mounted on one side of the rear side plate 2, the connecting block 11 being located on one side of the sprocket 10, wherein the arrangement of the connecting block 11 can restrict the sprocket 10 to prevent wobble of the sprocket 10.

[0023] In the specific operation of the present utility model, the motor 6 drives the output shaft 61 during use, the output shaft 61 driving the sprocket 10. When the sprocket 10 rotates, the upper guide chain 3 and the lower guide chain 4 are driven to slide out of the interior of the sliding groove 5, the lower guide chain 4 touching the ground while the upper guide chain 3 slides over the lower guide chain 4. When the upper guide chain 3 and the lower guide chain 4 detach from the inner walls of the sliding grooves 5, the upper guide chain 3 and the lower guide chain 4 are on the same horizontal plane. When the upper guide chain 3 is deflected under the action of the guide arrangement, each group of connecting elements 9 rotates via the camshaft 95.and wherein the interaction of the limiting block 93 and the limiting groove 94 limits the end position of the angle of rotation between each group of connecting elements 9, so that the upper guide chain 3 maintains a uniform forward extension movement.

[0024] Although the embodiment of the present utility model has been shown and described, this specific embodiment is merely an explanation of the present utility model and does not limit the utility model. The specific features, structures, materials, or properties described may be appropriately combined in one or more embodiments or examples. Those skilled in the art, after reading this description, may make changes, substitutions, and variations to the embodiments as needed, without departing from the principle and purpose of this utility model, which do not constitute a creative contribution. As long as they fall within the scope of the claims of this utility model, they are protected by patent law.

Claims

[1] Transfer structure for pallet strapping device comprising a front side plate (1) and a rear side plate (2), characterized bythat the front side plate (1) and the rear side plate (2) form a housing, wherein two groups of drive assemblies are mounted on one side of the front side plate (1) and an output shaft (61) is arranged on the output side of the drive assembly, wherein a sprocket (10) is embedded on the outer wall of the output shaft (61), wherein a sliding groove (5) is provided on the inner walls in the interior spaces of the front side plate (1) and the rear side plate (2), wherein an upper guide chain (3) and a lower guide chain (4) are arranged on the inner wall of the sliding groove (5), wherein the upper guide chain (3) consists of several groups of connecting elements (9), wherein each group of connecting elements (9) is movably connected to one another and the end position of the angle of rotation between the connecting elements (9) can be limited, wherein,when the upper guide chain (3) and the lower guide chain (4) extend to the ground, the upper guide chain (3) and the lower guide chain (4) lie one above the other and are on the same horizontal plane., [2] Transfer structure for pallet strapping device according to claim 1, characterized by that an inner groove (91) and an outer groove (92) are provided at each of the two ends of the connecting element (9), wherein a limiting groove (94) is provided on the inner walls of the inner groove (91) and the outer groove (92) and limiting blocks (93) are fastened in the interior spaces of the inner groove (91) and the outer groove (92), wherein a camshaft (95) is fastened to the inner wall of the outer groove (92), and wherein a through-bore (96) is provided on the inner wall of the inner groove (91). [3] Transfer structure for pallet strapping device according to claim 1, characterized bythat bearings (8) are provided on both sides of the sprocket (10), the bearings (8) being mounted in the interiors of the front side plate (1) and the rear side plate (2). [4] Transfer structure for pallet strapping device according to claim 1, characterized by that a fastening hole (7) is provided in the interior of the front side plate (1) and the rear side plate (2). [5] Transfer structure for pallet strapping device according to claim 1, characterized by that a connecting block (11) is mounted on one side of the rear side plate (2), wherein the connecting block (11) is located on one side of the sprocket (10).

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