Threshing cutter toothed bar

Abstract

The utility model provides a threshing cutter toothed bar which comprises a mounting fluted disc and threshing cutter teeth, the inner ring of the mounting fluted disc is fixedly connected with a connecting rod, the outer side of the mounting fluted disc is fixedly connected with a first cutter toothed bar, the inner wall of the first cutter toothed bar is fixedly connected with a reinforcing plate, and one end of the connecting rod penetrates through one side of the reinforcing plate; the connecting mechanism comprises a threaded hole formed in the inner wall of the first cutter tooth rod, a second cutter tooth rod is arranged at the top of the first cutter tooth rod, the inner wall of the second cutter tooth rod is in threaded connection with a fixing screw, a gasket is arranged on the outer side of the fixing screw, and the first cutter tooth rod and the second cutter tooth rod are each in a right-angle L shape. The threshing cutter toothed bar solves the problems that some existing threshing cutter toothed bars are complex in structure and high in labor and manufacturing cost, and the other set of threshing cutter teeth are in a non-working state and extend into a threshing roller to block feeding and affect threshing efficiency in the equipment operation process.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural equipment, in particular to a threshing knife tooth rod. Background Art

[0002] With the continuous acceleration of my country's urbanization, a large number of rural laborers have been transformed into urban population, resulting in a large shortage of labor for farming and harvesting in rural areas. This requires the large-scale promotion and application of more innovative and practical agricultural machinery, thus giving rise to various agricultural machinery, such as crop threshing machinery, crop sowing machinery, land plowing and rotary tillage machinery, etc.

[0003] According to the utility model patent with authorization announcement number: CN217160498U, a threshing knife tooth bar with inclined threshing knife teeth for a thresher is disclosed, which relates to the technical field of agricultural threshing machinery, and has the following beneficial effects: a plurality of threshing teeth are obliquely installed on the knife tooth bar along the length direction of the knife tooth bar, and the threshing drum forms a spiral state in the threshing chamber during the threshing process, making manual feeding easier and having a feeling of active feeding, thereby reducing the labor intensity of feeding threshing crops; at the same time, the threshing drum forms a spiral slag discharge, and the grass discharge is smoother, which greatly reduces the load of the thresher during the threshing process, improves the crop threshing yield, and saves threshing time.

[0004] The threshing tooth rod structure in the above technology is complex, and the labor and construction costs are high. Although the threshing tooth combination can be flipped and installed on the threshing drum, the other set of threshing teeth is in a non-working state during the operation of the equipment and extends into the inside of the threshing drum, which will block the feeding and affect the threshing efficiency.

[0005] Therefore, it is necessary to provide a new threshing knife tooth bar to solve the above-mentioned technical problems. Utility Model Content

[0006] The purpose of the utility model is to provide a threshing knife tooth rod to solve the problems raised in the above background technology.

[0007] The utility model provides a threshing knife tooth rod, comprising an installation toothed disc and threshing knife teeth, the inner ring of the installation toothed disc is fixedly connected with a connecting rod, the outer side of the installation toothed disc is fixedly connected with a first knife tooth rod, the inner wall of the first knife tooth rod is fixedly connected with a reinforcing plate, and one end of the connecting rod passes through one side of the reinforcing plate; a connecting mechanism, the connecting mechanism comprises a threaded hole opened on the inner wall of the first knife tooth rod, a second knife tooth rod is arranged on the top of the first knife tooth rod, the inner wall of the second knife tooth rod is threadedly connected with a fixing screw, and a gasket is arranged on the outer side of the fixing screw.

[0008] In order to achieve the effect of facilitating the fitting of the first blade tooth rod and the second blade tooth rod, the utility model provides a threshing blade tooth rod, preferably, the first blade tooth rod and the second blade tooth rod are both in a right-angle L shape.

[0009] In order to achieve the effect of making the disengaging tooth adapt to the second tooth rod, the utility model provides a threshing tooth rod. Preferably, the threshing tooth is a heptagonal plate-like structure, the inner end face is fixedly connected to the right-angle L-shaped section of the second tooth rod, the outer end face extends outward, and the left and right side faces are inclined toward the outer end face so that the plate-like structure gradually shrinks outward.

[0010] In order to achieve the effect of threshing different crops, the utility model provides a threshing tooth rod. Preferably, the threshing teeth include threshing teeth or threshing bow teeth, and the threshing teeth or threshing bow teeth are separately arranged on the second tooth rod, and the two are not used in combination.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The threshing knife tooth rod is provided with a connecting mechanism, so that the threshing knife teeth and the threshing bow teeth can be arranged separately, thereby avoiding blocking the feeding inside the threshing drum, improving the threshing efficiency of the crops, and has a simple structure, low labor and construction costs, and can be detachably installed on the threshing drum. By replacing the knife tooth rod, threshing of different crops can be achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A schematic structural diagram of a preferred embodiment of a threshing knife tooth rod provided by the utility model;

[0014] Figure 2 It is a structural schematic diagram of the connecting mechanism in the utility model;

[0015] Figure 3 It is a schematic diagram of the connection structure between the second knife tooth rod and the threshing bow tooth in the utility model.

[0016] Numbers in the figure: 1, installation toothed disc; 2, connecting rod; 3, first knife tooth rod; 4, connecting mechanism; 41, threaded hole; 42, second knife tooth rod; 43, fixing screw; 44, gasket; 5, reinforcement plate; 6, threshing knife teeth. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the protection scope of the utility model. It is understandable that the drawings are only provided for reference and illustration, and are not used to limit the utility model. The connection relationship shown in the drawings is only for the convenience of clear description and does not limit the connection method.

[0018] Please refer to Figure 1 , Figure 2 and Figure 3 ,in, Figure 1 A schematic structural diagram of a preferred embodiment of a threshing knife tooth rod provided by the utility model; Figure 2 It is a structural schematic diagram of the connecting mechanism in the utility model;

[0019] Figure 3 The schematic diagram of the connection structure between the second blade tooth rod and the threshing bow tooth in the utility model. The threshing blade tooth rod comprises a mounting tooth plate 1 and threshing blade teeth 6, the inner ring of the mounting tooth plate 1 is fixedly connected with a connecting rod 2, the outer side of the mounting tooth plate 1 is fixedly connected with a first blade tooth rod 3, the inner wall of the first blade tooth rod 3 is fixedly connected with a reinforcing plate 5, and one end of the connecting rod 2 passes through one side of the reinforcing plate 5; the connecting mechanism 4 comprises a threaded hole 41 opened on the inner wall of the first blade tooth rod 3, a second blade tooth rod 42 is arranged on the top of the first blade tooth rod 3, a fixing screw 43 is threadedly connected to the inner wall of the second blade tooth rod 42, and a gasket 44 is arranged on the outer side of the fixing screw 43.

[0020] The first blade tooth rod 3 and the second blade tooth rod 42 are both in a right-angle L-shape, and a mounting hole is provided on the side wall of the first blade tooth rod 3 .

[0021] The threshing tooth 6 is a heptagonal plate-like structure, the inner end surface is fixedly connected to the right-angle L-shaped section of the second tooth rod 42, the outer end surface extends outward, and the left and right side surfaces are inclined toward the outer end surface so that the plate-like structure gradually shrinks outward.

[0022] The threshing blade teeth 6 include threshing blade teeth 6 or threshing bow teeth, and the threshing blade teeth 6 or threshing bow teeth are separately arranged on the second blade tooth rod 42, and the two are not used in combination.

[0023] It should be noted that when the threshing teeth 6 need to be replaced, the fixing screw 43 is unscrewed from the first tooth rod 3 and the second tooth rod 42 using a wrench to separate the fixing screw 43 from the threaded hole 41, and then the fixing screw 43 and the gasket 44 are removed from the second tooth rod 42, and the tooth rod with threshing teeth is replaced (refer to Figure 3), and attach the second knife tooth rod 42 with threshing bow teeth to the top of the first knife tooth rod 3, pass the fixing screw 43 through the gasket 44, screw it into and penetrate the second knife tooth rod 42 and the first knife tooth rod 3 and connect with the threaded hole 41, and then complete the replacement of the threshing knife teeth 6. The gasket 44 can increase the fixing area of ​​the fixing screw 43 to prevent it from loosening, and the knife tooth rod can be fixedly installed on the threshing drum through the mounting hole.

[0024] The working principle of a threshing knife tooth rod provided by the utility model is as follows:

[0025] When in use, the threshing blade teeth 6 and the threshing bow teeth are separately arranged to avoid blocking the feed inside the threshing drum. When a certain crop needs to be threshed, the threshing blade teeth 6 and the threshing bow teeth on the blade tooth rod can be easily replaced through the connecting mechanism 4, so as to facilitate threshing of different crops.

[0026] In the above detailed description, reference is made to the accompanying drawings, which form a part of this document. In the accompanying drawings, similar symbols typically identify similar components unless the context indicates otherwise. The illustrated embodiments described in the detailed description, drawings, and claims are not meant to be limiting. Other embodiments may be used, and other changes may be made, without departing from the spirit or scope of the subject matter presented herein.

[0027] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. Threshing knife tooth bar, characterized in that: It comprises a mounting toothed disc (1) and threshing blade teeth (6), wherein the inner ring of the mounting toothed disc (1) is fixedly connected to a connecting rod (2), the outer side of the mounting toothed disc (1) is fixedly connected to a first blade tooth rod (3), the inner wall of the first blade tooth rod (3) is fixedly connected to a reinforcing plate (5), and one end of the connecting rod (2) passes through one side of the reinforcing plate (5); A connecting mechanism (4), the connecting mechanism (4) comprising a threaded hole (41) opened on the inner wall of the first blade tooth rod (3), a second blade tooth rod (42) being arranged on the top of the first blade tooth rod (3), a fixing screw (43) being threadedly connected to the inner wall of the second blade tooth rod (42), and a gasket (44) being arranged on the outer side of the fixing screw (43).

2. The threshing knife tooth rod according to claim 1, characterized in that: The first blade tooth rod (3) and the second blade tooth rod (42) are both in a right-angle L shape.

3. The threshing knife tooth rod according to claim 1, characterized in that: The threshing tooth (6) is a heptagonal plate-like structure, the inner end surface is fixedly connected to the right-angle L-shaped section of the second tooth rod (42), the outer end surface extends outward, and the left and right side surfaces are inclined toward the outer end surface so that the plate-like structure gradually shrinks outward.

4. The threshing knife tooth rod according to claim 3, characterized in that: The threshing blade teeth (6) include threshing blade teeth (6) or threshing bow teeth. The threshing blade teeth (6) or threshing bow teeth are arranged separately on the second blade tooth rod (42), and the two are not used in combination.

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