Improved clamping finger chain film collecting device

Abstract

The utility model relates to a finger-shaped mulching film clamping and releasing mechanism and device, and the device comprises an upper wheel and a lower wheel which are respectively located at the two ends of a film collecting device, the lower wheel is located at the lower part, and the upper wheel is located at the upper part and behind the advancing direction of a machine tool. And the two can rotate. And the film collecting chain respectively surrounds the upper wheel and the lower wheel. And the film collecting chain is provided with a chain plate I and a chain plate II which are different from other chain links. The first chain plate and the second chain plate are connecting chain plates of the film collecting chain, meanwhile, the first chain plate and the clamping fingers are fixedly connected at a certain angle, and the first chain plate and the second chain plate are also fixedly connected at a certain angle. The clamping fingers are arranged on the outer side of the film collecting chain, one ends of the clamping fingers are fixedly connected with the first chain plate of the film collecting chain, and the other ends of the clamping fingers are not fixed. The device can generate corresponding pre-tightening force, so that falling of the film due to the gravity effect is reduced, and the film residue recycling efficiency of the film residue recycling machine is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery, in particular to an improved finger chain film collecting device on a residual film recycling machine. Background Art

[0002] In Chinese Patent CN201510679669.2, a finger chain type residual film recycling machine is disclosed. Among them, the finger chain type residual film recycling machine discloses a film collecting device mainly composed of a finger chain. The film clamping mechanism of the film collecting device consists of a lower film collecting sprocket, an upper film collecting sprocket, a film collecting chain and fingers, etc. After the fingers on the film collecting chain are welded to the film collecting chain at a certain angle, when the fingers rotate through the positions of the upper and lower film collecting sprockets, they will open and close, so that the film can be clamped at the lower section of the lower film collecting sprocket and opened when approaching the upper film collecting sprocket to release the film. However, in the practical process, even though there is a certain angle between the fingers and the film collecting chain, there is no pre-tightening force between the fingers and the film collecting chain during the process of the chain passing through the straight-line sections of the upper and lower film collecting sprockets. Moreover, under the action of gravity and movement inertia, the fingers tend to open downward, and at the same time, the film will fall downward due to being adhered with soil or straw residues, resulting in a low picking rate of the residual film by the residual film recycling machine. In order to solve the above problems, an improved finger chain film collecting device is needed to make there be a certain pre-tightening force between the fingers and the film collecting chain, so that the finger chain can always have a certain clamping force during the movement process, ensuring the effective picking of the clamped residual film and improving the residual film recovery rate of the residual film recycling machine. Summary of the Utility Model

[0003] In view of this, to solve the problem that the clamping force between the fingers and the chain in the prior art is insufficient, resulting in the dropped film clamped by the chain and the low residual film recovery rate of the residual film recycling machine, we need an improved finger chain film collecting device to increase the clamping force between the fingers and the chain, reduce the situation of the clamped residual film dropping, and improve the picking rate of the residual film by the residual film recycling machine.

[0004] To achieve the above object, the utility model provides the following technical solutions:

[0005] A finger chain film collecting device, comprising:

[0006] An upper wheel and a lower wheel, which are respectively located at both ends of the film collecting device, the lower wheel is at the lower part, and the upper wheel is at the upper part and behind in the advancing direction of the machine. Both are rotatable.

[0007] A film collecting chain, which respectively bypasses the upper wheel and the lower wheel. And there are chain plates 1 and chain plates 2 on the film collecting chain that are different from other chain links. The chain plates 1 and the chain plates 2 are both connecting chain plates of the film collecting chain. At the same time, the chain plates 1 are fixedly connected to the fingers at a certain angle, and the chain plates 1 and the chain plates 2 are also fixedly connected to each other at a certain angle.

[0008] The finger clip is arranged outside the film collecting chain. One end is fixedly connected to the first chain plate of the film collecting chain, and the other end is not fixed.

[0009] Preferably, the first connecting plate and the second connecting plate on the film collecting chain and the finger clip can also be made into an integral body with two connection points at the bottom and a protruding front section.

[0010] Compared with the prior art, the utility model has the following beneficial effects: during the movement of the film collecting chain, when the finger clip moves above the lower wheel, since the chain moves in a circular motion along the lower wheel, the finger clip opens at this time. When it continues to move, the finger clip gradually closes, and the unfixed end of the finger clip and the outer side of the film collecting chain or the fixed end of the next finger clip clamp the film. When the finger clip continues to move to the straight-line position between the upper and lower wheels, since the first chain plate and the second chain plate are fixedly connected and have a certain angle, when the second chain plate is subjected to the pulling force along the straight end of the film collecting chain, it will form a torsion force on the whole of the first chain plate, the second chain plate and the finger clip. This torsion force forces the finger clip and the outer side of the film collecting chain or the fixed end of the next finger clip to be closely close to each other, so that there is a certain pre-pressure between the two, which can clamp the film, reduce the film from falling due to the action of gravity, and improve the film recovery rate of the residual film recovery machine. Description of the Drawings

[0011] Figure 1 It is a schematic diagram of the first embodiment of the utility model;

[0012] Figure 2 It is a partial view of the film collecting chain of the utility model at the straight end;

[0013] Figure 3 It is a schematic diagram of the second embodiment of the film collecting chain of the utility model.

[0014] In the figure, 1, lower wheel; 2, upper wheel; 3, film collecting chain; 4, finger clip; 31, first chain plate; 32, second chain plate; 33, connection point one 33; connection point two 34. Detailed Embodiment

[0015] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model; obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0016] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "top / bottom end", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0017] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "provided with", "sheathed / connected", "connection", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0018] Embodiment 1: As Figure 1-2 shown, the present utility model provides an improved finger chain film collecting device, including:

[0019] A lower wheel 1 and an upper wheel 2. The lower wheel 1 is rotatably connected below the film residue recycling machine near the ground, and the upper wheel 2 is rotatably connected above the rear of the film residue recycling machine and corresponds to the lower wheel 1. A film collecting chain 3 is wound around the lower wheel 1 and the upper wheel 2. The film collecting chain 3 is a commonly used chain, but at certain intervals, the connecting plates on both sides of the chain are widened, that is, connecting plate one 31. The clamping fingers 4 are fixedly connected to the connecting plate one 31, and the included angle between the two is represented by A. The connecting plate one 31 and the connecting plate two 32 are fixedly connected and represented by an included angle B.

[0020] The working principle of this embodiment is as follows:

[0021] During the movement of the film collecting chain 3, when the finger 4 moves above the lower wheel 1, since the chain moves in a circular motion along the lower wheel, the finger 4 opens at this time. When it continues to move, the finger 4 gradually closes. The unfixed section of the finger 4 and the outer side of the film collecting chain 3 or the fixed end of the next finger 4 clamp the film. When the finger 4 continues to move to the straight position between the upper and lower wheels, because the link plate 1 31 and the link plate 2 32 are fixedly connected and have a certain angle, when the link plate 2 32 is subjected to a pulling force along the straight direction of the film collecting chain 3, it will form a torsion force on the whole of the link plate 1 31, the link plate 2 32 and the finger 4. This torsion force forces the finger 4 to closely approach the outer side of the film collecting chain 3 or the fixed end of the next finger 4, so that there is a certain pre-pressure between the two, which can clamp the film, reduce the dropping of the film due to the action of gravity, and improve the film recovery rate of the residual film recovery machine.

[0022] Embodiment 2: As Figure 3 shown, the present invention provides an improved finger chain film collecting device, including:

[0023] A lower wheel 1 and an upper wheel 2. The lower wheel 1 is rotatably connected near the ground under the residual film recovery machine, and the upper wheel 2 is rotatably connected behind and above the residual film recovery machine and corresponds to the lower wheel 1. The film collecting chain 3 is wound around the lower wheel 1 and the upper wheel 2. The film collecting chain 3 is a commonly used chain, but at certain intervals, there are fingers 4, and there are two connection points 1 33 and connection point 2 34 on the finger 4. The film collecting chain 3 is respectively connected to the connection point 1 33 and the connection point 2 34. If the center line of the connection point 1 33 and the connection point 2 34 and the center line of the front section extending direction of the finger 4 are used, an included angle C can be formed between the two.

[0024] The working principle of this Embodiment 2 is as follows:

[0025] During the movement of the film collecting chain 3, when the finger 4 moves above the lower wheel 1, since the chain moves in a circular motion along the lower wheel, the finger 4 opens at this time. When it continues to move, the finger 4 gradually closes. The unfixed section of the finger 4 and the outer side of the film collecting chain 3 or the fixed end of the next finger 4 clamp the film. When the finger 4 continues to move to the straight position between the upper and lower wheels, due to the existence of the included angle C between the connection line of the connection point 1 33 and the connection point 2 34 and the front section extending direction of the finger 4, when the connection point 1 33 and the connection point 2 34 are subjected to a pulling force along the straight direction of the film collecting chain 3, the front section of the finger 4 has already adhered to the film collecting chain 3 or the rear section of the next finger 4. Therefore, a torsion force will be generated. This torsion force forces the finger 4 to closely approach the outer side of the film collecting chain 3 or the fixed end of the next finger 4, so that there is a certain pre-pressure between the two, which can clamp the film, reduce the dropping of the film due to the action of gravity, and improve the film recovery rate of the residual film recovery machine.

[0026] The above is only the preferred specific embodiment of the present utility model; however, the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its improved concept, makes equivalent substitutions or changes, and all should be covered by the protection scope of the present utility model.

Claims

1. An improved finger clip chain film collecting device, characterized in that: It includes an upper wheel (2) and a lower wheel (1), which are respectively located at both ends of the film collecting device. The lower wheel (1) is at the lower part, and the upper wheel (2) is at the upper part and behind in the advancing direction of the machine tool. A film collecting chain (3) which respectively winds around the upper wheel (2) and the lower wheel (1); and there are chain plates one (31) and chain plates two (32) on the film collecting chain (3); the chain plates one (31) and the chain plates two (32) are both connecting chain plates of the film collecting chain (3). At the same time, the chain plates one (31) are fixedly connected to the clamping fingers (4) at a certain angle, and the chain plates one (31) and the chain plates two (32) are also fixedly connected to each other at a certain angle. Clamping fingers (4) are arranged on the outer side of the film collecting chain (3), one end of which is fixedly connected to the chain plates one (31) of the film collecting chain (3) or fixedly connected to both the chain plates one (31) and the chain plates two (32), and the other end is not connected.

2. The improved finger chain film winding device according to claim 1, characterized in that: The chain plates one (31) and the chain plates two (32) on the film collecting chain and the clamping fingers (4) can be made into an integral body with two connection points one (33) and connection points two (34) at the bottom and a front section protruding; and the film collecting chain is respectively connected to the two connection points one (33) and connection points two (34).

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