Bow tooth shaft welding device suitable for low-loss threshing of edible sunflower

Abstract

The utility model discloses a bow tooth shaft welding device suitable for low-loss threshing of edible sunflower. According to the technical scheme, the bow tooth shaft welding device comprises a main shaft, a shaft head, a spiral blade sleeve, threshing bow teeth and an impurity poking plate. The front shaft head is welded and fixed at the front end of the main shaft through a sleeve, the spiral blade, the threshing arch teeth and the impurity shifting plate are welded on the main shaft in sequence, and the tail shaft head is welded and fixed at the rear end of the main shaft through the sleeve. The bow tooth shaft welding device suitable for low-loss threshing of edible sunflowers has the advantages that the bow tooth shaft welding device is used in cooperation with an upper cover plate of a threshing cylinder and a gravure screen below the threshing cylinder, the beating frequency of sunflowers is increased, the threshing effect is improved, beating stress is not concentrated, and loss of the sunflowers is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of sunflower harvesting equipment, and particularly relates to a bow tooth shaft welding device suitable for low-loss threshing of sunflower. BACKGROUND

[0002] Xinjiang region is one of the main producing areas of sunflower in China, in order to facilitate airing and threshing, sunflower will increase "cutting disc airing" operation process before harvesting, because the subsequent product price of sunflower is greatly affected by the integrity of sunflower seed coat, so the sunflower threshing device is required to be high, if the conventional threshing cylinder is too high, it will break the sunflower disc, and the sunflower seed coat is seriously damaged, if the speed is too low, part of the sunflower seeds will still remain in the sunflower disc, resulting in threshing loss, so a new threshing cylinder is needed, and the threshing element can meet the requirements of low-loss and high-efficiency threshing. CONTENT OF THE UTILITY MODEL

[0003] In view of the above problems existing in the prior art, the utility model provides a bow tooth shaft welding device suitable for low-loss threshing of sunflower, which is provided with a special threshing element, can reduce the beating on the front of the sunflower disc during the threshing process, and the sunflower seeds are threshed by the rotation and tumbling of the sunflower disc in the threshing cylinder, so that the damage of the sunflower seeds is reduced and the threshing effect is improved.

[0004] In order to achieve the above purpose, the utility model provides the following technical scheme: a bow tooth shaft welding device suitable for low-loss threshing of sunflower, which comprises a main shaft, a shaft head, a spiral blade sleeve, a threshing bow tooth and a stirring plate. The main shaft is a section of steel pipe, the front shaft head is fixed on the front end of the main shaft through the sleeve and welding, the spiral blade, the threshing bow tooth and the stirring plate are sequentially welded on the main shaft, and the tail shaft head is fixed on the rear end of the main shaft through the sleeve and welding.

[0005] The shaft head is a stepped shaft, the shaft head is inserted into the hole of the main shaft, the end face of the main shaft is connected with the end face of the shaft shoulder, and the connection is welded and reinforced.

[0006] The spiral blade sleeve is that the spiral blades are uniformly welded on the outer surface of the sleeve, two concentric rings are welded on the upper and lower bottom surfaces respectively, the main shaft penetrates through the two concentric rings, and the installation position is welded and reinforced.

[0007] The threshing bow tooth is a section of circular steel with two ends bent, the two end bending parts are short rods respectively, the middle part is a long rod, the included angle between the two short rods is δ1, the value of which is 25°, the included angle between the long rod and the center line of the rotating shaft is δ2, the included angle between the two end short rods and the middle long rod is δ3, the value of which is 110°, the two ends of the threshing bow tooth are welded on the main shaft respectively, and 12 threshing bow teeth are uniformly welded on the surface of the main shaft.

[0008] The stirring plate is two rectangular steel plates with three tines welded on the outer edge, and is symmetrically welded on the main shaft.

[0009] The embodiment of the utility model has the following advantages: the utility model discloses in the sunflower threshing link, cooperate the upper threshing cylinder cover plate and the lower concave screen, sunflower tray is transmitted to the threshing bow tooth stage through spiral blade, and sunflower tray is beaten and rubbed in the bow tooth and the concave screen between many times different degrees, and sunflower tray is close to the impurity plate around the spiral arrangement of the threshing bow tooth while threshing, and the empty sunflower tray of last threshing is discharged by the outlet along with the rotation of the impurity plate, because of the unique design of the threshing bow tooth structure, the path of sunflower tray in the threshing process presents the irregular spiral line, namely, the beating times of sunflower tray are increased, the threshing effect is improved, and the beating stress is not concentrated, and the loss of sunflower tray is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0010] In order to more clearly illustrate the embodiment of the utility model or the technical scheme in the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other implementation drawings can be obtained without creative labor on the basis of the provided drawings.

[0011] The structure, proportion, size and the like shown in the specification are only used to cooperate with the content disclosed in the specification, for understanding and reading by those skilled in the art, and are not used to limit the limiting conditions of the utility model that can be implemented, so they do not have the technical essence, any modification of structure, change of proportion relationship or adjustment of size, as long as it does not affect the effect and purpose that the utility model can produce, should still fall within the scope of the technical content disclosed by the utility model.

[0012] Figure 1 The overall structure schematic view provided by the utility model.

[0013] Figure 2 The main shaft structure schematic view provided by the utility model.

[0014] Figure 3 The shaft head structure schematic view provided by the utility model.

[0015] Figure 4 The spiral blade sleeve structure schematic view provided by the utility model.

[0016] Figure 5 The bow tooth structure schematic view provided by the utility model.

[0017] Figure 6 The impurity plate structure schematic view provided by the utility model.

[0018] In the figure: 1 main shaft, 2 shaft head, 3 spiral vane sleeve, 3-1 sleeve, 3-2 concentric ring, 3-3 spiral vane, 4 threshing tooth, 5 stirring plate, 5-1 stirring tine, 5-2 stirring vane plate. DETAILED DESCRIPTION

[0019] The embodiments of the present application will be described in detail by specific embodiments, and those skilled in the art can easily understand other advantages and effects of the present application from the disclosed content of the specification. Obviously, the described embodiments are part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0020] Referring to the accompanying Figures 1-6 The present application provides a kind of arch tooth shaft welding device suitable for low-loss threshing of sunflower, including main shaft 1, shaft head 2, spiral vane sleeve 3, threshing tooth 4 and stirring plate 5.The main shaft 4 is a section of steel pipe, front end shaft head 2 is fixed in the front end of main shaft 1 by sleeve and welding, in turn, spiral vane sleeve 3, threshing tooth 4, stirring plate 5 are all welded on main shaft, tail end shaft head 2 is fixed in the rear end of main shaft 1 by sleeve and welding.

[0021] The shaft head 2 is a stepped shaft, and the shaft head is inserted into the hole of the main shaft 1 at both ends, so that the end surface of the main shaft 1 is connected with the end surface of the shaft shoulder, and welding is performed at the connection to reinforce.

[0022] The spiral vane sleeve 3 is a spiral vane 3-3 welded on the outer surface of the sleeve, and two concentric rings 3-2 are welded on the upper and lower bottom surfaces, respectively. The main shaft passes through the two concentric rings 3-2, and welding is performed at the installation position to reinforce.

[0023] The threshing tooth 4 is a section of circular steel with two ends bent, and the two ends are respectively short rods, the middle part is a long rod, the included angle between the two short rods is 28°, the included angle between the long rod and the center line of the rotating shaft is 30°, and the angle between the two short rods and the long rod is 110°. The two ends of the tooth are welded on the main shaft, and 12 threshing teeth 4 are evenly welded on the surface of the main shaft 1.

[0024] The stirring plate 5 is two stirring vane plates 5-2 with three stirring tines 5-1 welded on the outer edge, and is symmetrically welded on the main shaft 1.

[0025] The working process of the utility model is as follows: during work, the bow tooth shaft welding device is installed in the center of the threshing cylinder, the upper guard shield is installed on the top, and the concave screen is installed on the bottom; power is transmitted to the shaft head 1 through the chain wheel, the bow tooth shaft welding device is driven to rotate in the threshing cylinder, the sunflower disc falls on the spiral blade sleeve 3 from the inlet of the upper guard shield, is transported to the threshing bow tooth 4 position along the spiral blade 3-3 axis, the sunflower disc is rotated forward along the spiral clearance channel composed of the bow teeth, the upper guard shield and the concave screen, in the process, the sunflower seeds are shaken off by centrifugal force and the vibration caused by the sunflower disc being hit, fall into the cleaning device through the concave screen on the bottom, the empty sunflower disc is transmitted to the stirring plate 5, is rotated and thrown out of the threshing cylinder, and the threshing work is completed.

[0026] The above is only the preferred embodiment of the utility model, any skilled person in the art can modify the utility model by using the technical solutions described above or modify it into equivalent technical solutions. Therefore, any simple modification or equivalent replacement according to the technical solutions of the utility model is within the scope of protection required by the utility model.

Claims

1. A beveler suitable for low damage threshing of sunflower, characterized in that: Including main shaft (1), shaft head (2), spiral blade sleeve (3), threshing arch tooth (4) and stir plate (5); The main shaft (1) is a section of steel pipe, the front end shaft head (2) is fixed in the front end of the main shaft (1) by sleeve and welding, in turn spiral blade sleeve (3), threshing arch tooth (4), stir plate (5) are welded on the main shaft (1), the tail shaft head (2) is fixed in the rear end of the main shaft (1) by sleeve and welding;The shaft head (2) is a stepped shaft, the shaft head (2) is inserted into the hole of the main shaft (1) at both ends, so that the end face of the main shaft (1) is connected with the end face of the shaft shoulder, and welding is carried out at the connecting place to reinforce;The spiral blade sleeve (3) is that the spiral blades (3-3) are uniformly welded on the outer surface of the sleeve (3-1), two concentric rings (3-2) are welded on the upper and lower bottom surfaces respectively, the main shaft passes through the two concentric rings (3-2), and welding is carried out at the installation position to reinforce;The threshing arch tooth (4) is a section of circular steel with two ends bent, the two ends are respectively short rods, the middle part is a long rod, the included angle between the two short rods is 28°, the included angle between the long rod and the center line of the rotating shaft is 30°, the angle between the two short rods and the middle long rod is 110°, the threshing arch tooth (4) is welded on the main shaft at both ends, and 12 threshing arch teeth (4) are uniformly welded on the surface of the main shaft (1);The stir plate (5) is that three stir nails (5-1) are welded on the outer edge of the stir blade (5-2), and two stir plates (5) are symmetrically welded on the main shaft (1).

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