CN215122284U - Chopper with adjustable fixed knife and harvester - Google Patents

Abstract

The utility model relates to a chopper and harvester of adjustable stationary knife, chopper include frame, stationary knife subassembly and adjusting part, and one side and the frame of stationary knife subassembly rotate to be connected, and the middle part of adjusting part is rotatable installs in the frame, and adjusting part's one end rotates with stationary knife subassembly's opposite side to be connected or with the lower surface butt of stationary knife subassembly opposite side, and adjusting part's the other end can be dismantled with the frame and be connected. The utility model has the advantages that: the chopping capacity of the chopper can be adjusted according to different crop conditions, the length of the acting section of the fixed knife is adjusted and increased, the fixed knife is close to the movable knife, the chopping capacity is improved, and the chopping effect is good; the length of the acting section of the fixed cutter is adjusted and reduced, the fixed cutter is far away from the movable cutter, the load of the chopper can be reduced, the power is saved, and meanwhile, the abrasion of the movable cutter and the fixed cutter can be reduced. The length of the acting section of the fixed cutter is adjusted and reduced, so that the chopper has a certain throwing function, and the collection of the crushed straws is facilitated. And stepless adjustment is adopted, so that the adjustment is flexible and the adaptability is better.

Description

Chopper with adjustable fixed knife and harvester

Technical Field

The utility model relates to the field of agricultural machinery, concretely relates to adjustable surely chopper and harvester of sword.

Background

The harvesting machine usually needs to crush the crop straws after threshing, cleaning and the like of the crops in the harvesting operation process. The chopper structure of most harvesting machines under the current state of the art comprises: the chopping machine comprises a chopping shell, a movable knife shaft and a movable knife blade. The chopping shell is in a semi-cylindrical shape; the movable cutter shaft is cylindrical, a plurality of cutter seats are regularly distributed on the circumference and the axial direction of the movable cutter shaft along a certain rule, the cutter seats are provided with movable cutter blades, two ends of the cutter shaft are provided with bearings and are arranged on the rack, and one end of the movable cutter shaft is provided with a part for transmitting input power. In the operation process of the chopper, after the crop straws enter the chopper, the crop straws are squeezed and chopped between the rotating movable blade and the chopping shell. A disadvantage of this shredder is that it has a poor shredding effect.

Fixed cutters are distributed and arranged on the inner wall of the shell of some of the choppers. The chopping capacity of the chopper can be improved by increasing the action of the fixed knife, and the straw chopping effect is better. But the problem of adding the fixed knife is that: the resistance of the chopper is increased, the power consumed by the chopper is increased, and the probability of blockage of the chopper is increased. The forced chopping causes great wear on the movable blade and the fixed blade, and the blades need to be replaced frequently.

Because the conditions of the length, the thickness, the dry and wet conditions and the like of the harvested straws of different crops are different, the required chopping effect is also different, and therefore, the chopper with adjustable chopping capacity is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a mincer with adjustable chopping capacity is provided.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides an adjustable chopper of deciding sword, includes frame, decides sword subassembly and adjusting part, decide one side of sword subassembly with the frame rotates to be connected, the middle part rotatable install of adjusting part in the frame, adjusting part's one end with the opposite side of deciding the sword subassembly rotate to be connected or with the lower surface butt of deciding the sword subassembly opposite side, adjusting part's the other end with the connection can be dismantled to the frame.

The utility model has the advantages that: the other end of the adjusting component is rotated to drive the fixed cutter component to rotate, so that the position of the fixed cutter is adjusted, and the distance between the fixed cutter and the movable cutter is adjusted. The chopping capacity of the chopper can be adjusted according to different crop conditions, the length of the acting section of the fixed knife is adjusted and increased, the fixed knife is close to the movable knife, the chopping capacity is improved, and the chopping effect is good; the length of the acting section of the fixed cutter is adjusted and reduced, the fixed cutter is far away from the movable cutter, the load of the chopper can be reduced, the power is saved, and meanwhile, the abrasion of the movable cutter and the fixed cutter can be reduced. The length of the acting section of the fixed cutter is adjusted and reduced, so that the chopper has a certain throwing function, and the collection of the crushed straws is facilitated. And stepless adjustment is adopted, so that the adjustment is flexible and the adaptability is better.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Furthermore, the other end of adjusting part has the direction fixed part, the arc wall has in the frame, the direction fixed part stretches into in the arc wall, and follows the arc wall slides and can dismantle the connection.

The beneficial effect of adopting the further scheme is that: the guide fixing part slides along the arc-shaped groove, the fixed cutter assembly is adjusted in a stepless mode, and after the guide fixing part is fixed with the arc-shaped groove, the fixed cutter assembly is fixed in position.

And one end of the connecting rod is rotatably connected with one end of the adjusting component, and the other end of the connecting rod is rotatably connected with the other side of the fixed cutter component.

The beneficial effect of adopting the further scheme is that: when the rotation center and the rotation radius of the adjusting component and the fixed cutter component are different, the connecting rod is additionally arranged to increase the flexibility of the structure.

Furthermore, the adjusting part still includes adjustment handle, rotatory support arm and back shaft, the back shaft is rotatable install in the frame, adjustment handle's one end with the back shaft is fixed, adjustment handle's the other end with the connection can be dismantled to the frame, the one end of rotatory support arm with the back shaft is fixed, the other end of rotatory support arm with the opposite side of deciding the sword subassembly rotates and is connected.

The beneficial effect of adopting the further scheme is that: the fixed cutter component in the rack can be adjusted by adjusting the handle, so that the convenience of adjustment and maintenance is improved.

Further, the fixed cutter assembly comprises a fixed cutter seat and a fixed cutter, one side of the fixed cutter seat is rotatably connected with the rack, and the fixed cutter is detachably connected with the other side of the fixed cutter seat.

The beneficial effect of adopting the further scheme is that: the fixed cutter can be disassembled and replaced, and the maintainability is improved.

Further, the chopper also comprises a movable cutter component and a chopping shell, the chopping shell is fixedly connected with the rack, the movable cutter component is rotatably arranged on the rack and positioned on the inner side of the chopping shell, and the chopping shell is provided with a notch for allowing the fixed cutter component to penetrate and enabling the fixed cutter component to extend into the inner side of the chopping shell and the movable cutter component to be matched.

Further, the movable knife assembly comprises a movable knife shaft and a plurality of movable knife assemblies, the movable knife shaft is rotatably arranged on the rack, and the plurality of movable knives are assembled and fixed on the movable knife shaft.

Furthermore, the movable knife assemblies are divided into a plurality of groups, the plurality of groups of movable knives are uniformly distributed in the circumferential direction of the movable knife shaft, and the plurality of movable knife assemblies in each group are arranged at intervals along the axial direction of the movable knife shaft.

The beneficial effect of adopting the further scheme is that: the movable cutters in each group are linearly arranged, the movable cutters are matched with the fixed cutters to realize cutting, and the movable cutters play a role in throwing the cut straws backwards in the process of cutting the straws.

Furthermore, each movable knife assembly comprises a movable knife seat and two movable knives, the movable knife seats are fixedly connected with the movable knife shaft, one ends of the two movable knives are hinged with the movable knife seats, and the other ends of the two movable knives bend towards the direction away from each other.

The beneficial effect of adopting the further scheme is that: the movable cutters are bent and hinged with the movable cutter seats, the movable cutters have the backward throwing effect on the cut straws, and the two movable cutters are bent outwards to prevent the cutter beating caused by too small distance between the movable cutters and the fixed cutters and collision in the working process.

The utility model discloses still relate to a harvester, include the chopper of adjustable stationary knife.

Drawings

FIG. 1 is a three-dimensional view of the adjustable fixed knife chopper of the present invention;

FIG. 2 is a side view of the adjustable stationary knife chopper of the present invention;

fig. 3 is a three-dimensional structure diagram of the stationary knife assembly and the adjusting assembly of the chopper with adjustable stationary knife of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the cutting machine comprises a rack, 2, a guide fixing part, 3, an arc-shaped groove, 4, a connecting rod, 5, an adjusting handle, 6, a rotating support arm, 7, a cutting shell, 8, a fixed cutter seat, 9, a fixed cutter, 10, a movable cutter shaft, 11 and a movable cutter.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1-3, the utility model provides a chopper of adjustable stationary knife, including frame 1, stationary knife subassembly and adjusting part, one side of stationary knife subassembly with frame 1 rotates to be connected, adjusting part's middle part rotatable install in frame 1, adjusting part's one end with the opposite side of stationary knife subassembly rotate connect or with the lower surface butt of stationary knife subassembly opposite side, adjusting part's the other end with frame 1 can dismantle the connection.

One end of the fixed cutter component is provided with the adjusting component, or both ends of the fixed cutter component are provided with the adjusting components.

On the basis of the scheme, the other end of the adjusting component is provided with a guide fixing part 2, an arc-shaped groove 3 is arranged on the rack 1, and the guide fixing part 2 extends into the arc-shaped groove 3 and is connected with the arc-shaped groove 3 in a sliding and detachable mode.

As shown in fig. 3, specifically, the guide fixing portion 2 may be a screw, the screw passes through the arc-shaped groove 3 and is in threaded connection with a nut, the relative position of the guide fixing portion and the arc-shaped groove is fixed after the nut is screwed down, and the guide fixing portion and the arc-shaped groove can slide relative to each other after the nut is unscrewed, so as to adjust the position of the fixed cutter assembly.

On the basis of any scheme, the fixed cutter device further comprises a connecting rod 4, one end of the connecting rod 4 is rotatably connected with one end of the adjusting component, and the other end of the connecting rod 4 is rotatably connected with the other side of the fixed cutter component.

On the basis of any one of the above schemes, the adjusting component further comprises an adjusting handle 5, a rotating support arm 6 and a support shaft, wherein the support shaft is rotatably arranged on the rack 1, one end of the adjusting handle 5 is fixed with the support shaft, the other end of the adjusting handle 5 is detachably connected with the rack 1, one end of the rotating support arm 6 is fixed with the support shaft, and the other end of the rotating support arm 6 is rotatably connected with the other side of the fixed cutter component.

The adjustment handle 5 and the rotary arm 6 may be mounted at any position on the support shaft, for example, at the same end of the support shaft. Preferably, the two ends of the supporting shaft are respectively located at two sides of one end wall of the rack 1, one end of the adjusting handle 5 is fixed with one end of the supporting shaft, and one end of the rotating support arm 6 is fixed with the other end of the supporting shaft. The fixed knife component on the inner side can be adjusted from the outer side of the machine frame 1 through the adjusting handle 5.

On the basis of any one of the above schemes, the fixed cutter assembly comprises a fixed cutter seat 8 and a fixed cutter 9, one side of the fixed cutter seat 8 is rotatably connected with the rack 1, and the fixed cutter 9 is detachably connected with the other side of the fixed cutter seat 8.

On the basis of any scheme, the chopper also comprises a movable knife component and a chopping shell 7. The chopping shell 7 is fixedly connected with the rack 1, the movable cutter component is rotatably arranged on the rack 1 and is positioned on the inner side of the chopping shell 7, and the chopping shell 7 is provided with a notch which is used for the fixed cutter component to penetrate through and the fixed cutter component to extend into the inner side of the chopping shell 7 and matched with the movable cutter component.

As shown in fig. 2, one side of the movable knife assembly of the chopping housing 7 is provided with a material guiding portion extending obliquely from top to bottom for feeding materials, and the chopping housing 7 forms a circular arc shape at the bottom of the movable knife assembly.

The stationary knives 9 project through the recess into the inside of the chopping housing 7.

Specifically, the stationary knife block 8 is located below the chopping housing 7. The number of the fixed knives 9 is multiple, and the plurality of the fixed manuscripts 9 are arranged at intervals along the direction from one end of the fixed knife seat 8 to the other end.

In one embodiment, the stationary seat 8 is rotatably connected to one end of the connecting rod 4 or one end of the connecting rod 4 abuts against the lower side of the stationary seat 8. The other end of the connecting rod 4 is rotatably connected with a rotary supporting arm 6, the rotary supporting arm 6 is fixed with an adjusting handle 5 through a supporting shaft, and the other end of the adjusting handle 5 is provided with the guide fixing part 2.

On the basis of any scheme, the movable knife assembly comprises a movable knife shaft 10 and a plurality of movable knife assemblies, the movable knife shaft 10 is rotatably arranged on the rack 1, and the plurality of movable knives are assembled and fixed on the movable knife shaft 10.

On the basis of any scheme, the movable blades are divided into multiple groups, the multiple groups of movable blades are uniformly distributed in the circumferential direction of the movable blade shaft 10, and the movable blades in each group are arranged at intervals along the axial direction of the movable blade shaft 10.

As shown in fig. 1, the moving blades of two adjacent groups are arranged along the axis of the moving blade shaft 10 in a staggered manner.

In one embodiment of the present invention, the movable knife assembly is divided into four groups, and the two movable knife assemblies are disposed opposite to each other in two groups.

On the basis of any scheme, each movable knife assembly comprises a movable knife seat and two movable knives 11, the movable knife seats are fixedly connected with the movable knife shaft 10, one ends of the two movable knives 11 are hinged with the movable knife seats, and the other ends of the two movable knives 11 are bent towards the direction away from each other.

The movable knife 11 can rotate relative to the movable knife base in a plane perpendicular to the axis of the movable knife shaft 10.

The adjustment process of the chopper is as follows: the rotary support arm 6 and the adjusting handle 5 on the outer side can rotate on the side wall of the chopper, the other end of the adjusting handle 5 rotates downwards to drive the fixed cutter seat 8 to rotate upwards, and the length of the fixed cutter 9 extending into the chopping shell 7 is increased. The other end of the adjusting handle 5 rotates upwards to drive the fixed cutter seat to rotate downwards, and the length of the fixed cutter 9 extending into the chopping shell 7 is reduced, so that the fixed cutter 9 of the chopper is adjusted. After the adjustment is completed, the guide fixing part 2 is fixed to the frame. When the guide fixing part 2 adopts a screw, the screw and the nut are screwed and fixed after the adjustment is finished.

The utility model also provides a harvester, include the chopper of adjustable stationary knife.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (10)

1. The utility model provides an adjustable chopper of deciding sword which characterized in that, includes frame (1), decides sword subassembly and adjusting part, decide one side of sword subassembly with frame (1) rotates and connects, adjusting part's middle part rotatable install in on frame (1), adjusting part's one end with decide the opposite side of sword subassembly rotate connect or with the lower surface butt of deciding sword subassembly opposite side, adjusting part's the other end with frame (1) can be dismantled and be connected.

2. The adjustable knife chopper according to claim 1, characterized in that the other end of the adjusting component is provided with a guide fixing part (2), the frame (1) is provided with an arc-shaped groove (3), and the guide fixing part (2) extends into the arc-shaped groove (3) and slides along the arc-shaped groove (3) and is detachably connected.

3. The adjustable fixed knife chopper of claim 1, further comprising a connecting rod (4), wherein one end of the connecting rod (4) is rotatably connected with one end of the adjusting component, and the other end of the connecting rod (4) is rotatably connected with the other side of the fixed knife component.

4. The chopper of adjustable fixed knife according to claim 1, characterized in that the adjusting component further comprises an adjusting handle (5), a rotating arm (6) and a supporting shaft, the supporting shaft is rotatably mounted on the frame (1), one end of the adjusting handle (5) is fixed with the supporting shaft, the other end of the adjusting handle (5) is detachably connected with the frame (1), one end of the rotating arm (6) is fixed with the supporting shaft, and the other end of the rotating arm (6) is rotatably connected with the other side of the fixed knife component.

5. The adjustable fixed knife chopper according to any one of claims 1-4, characterized in that the fixed knife assembly comprises a fixed knife seat (8) and a fixed knife (9), one side of the fixed knife seat (8) is rotatably connected with the frame (1), and the fixed knife (9) is detachably connected with the other side of the fixed knife seat (8).

6. The chopper of adjustable stationary knife according to any one of claims 1-4, characterized in that the chopper further comprises a movable knife assembly and a chopping shell (7), the chopping shell (7) is fixedly connected with the frame (1), the movable knife assembly is rotatably mounted on the frame (1) and located inside the chopping shell (7), and the chopping shell (7) has a notch for the stationary knife assembly to pass through and extend into the chopping shell (7) and match with the movable knife assembly.

7. The chopper of adjustable stationary knife according to claim 6, characterized in that the movable knife assembly comprises a movable knife shaft (10) and a plurality of movable knife assemblies, the movable knife shaft (10) is rotatably mounted on the frame (1), and the plurality of movable knife assemblies are fixed on the movable knife shaft (10).

8. The chopper of adjustable stationary knife according to claim 7, characterized in that the plurality of movable knife assemblies are divided into a plurality of groups, the plurality of groups of movable knife assemblies are uniformly distributed in the circumferential direction of the movable knife shaft (10), and the plurality of movable knife assemblies in each group are arranged at intervals along the axial direction of the movable knife shaft (10).

9. The chopper of adjustable stationary knife according to claim 8, characterized in that each movable knife assembly comprises a movable knife base and two movable knives (11), the movable knife base is fixedly connected with the movable knife shaft (10), one end of each movable knife (11) is hinged with the movable knife base, and the other ends of the two movable knives (11) are bent towards the direction away from each other.

10. A harvester comprising a chopper with adjustable stationary knives according to any one of claims 1-9.

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