Tool magazine structure of rotary blade

Abstract

The utility model discloses a tool magazine structure of a rotary blade, and relates to the technical field of agricultural equipment. Comprising a cutter head which is installed on a cutter shaft. A plurality of groups of through grooves are distributed in the cutter head at intervals in the circumferential direction of the cutter head; the tool magazine further comprises tool magazine bodies, and the multiple sets of tool magazine bodies are distributed on the two sides of the tool disc at intervals and welded into the grooves. The rotary tillage blade is inserted into a gap between the tool magazine body and the cutter head and is mounted and fixed through a bolt; the tool magazine structure is more optimized, the grooves in the cutter head have the positioning function and the reinforcing function, the tool magazine body and the cutter head are installed more firmly through embedding and welding of the protruding parts and the grooves, the relative position degree of installation of the tool magazine body is more accurate, and the rotary blade is more reliable to use.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery and implements, in particular to a knife magazine structure of a rotary tiller. Background Art

[0002] Agriculture is an industry that utilizes the growth and development laws of animals and plants to obtain products through artificial cultivation. Agriculture belongs to the primary industry, and the science that studies agriculture is agronomy. The objects of agricultural labor are living animals and plants, and the products obtained are the animals and plants themselves. Agriculture is a basic industry that provides support for the construction and development of the national economy. In the process of agricultural production, farmers need to rotary till the fields after a harvest to facilitate the next sowing. When rotary tilling the fields, special rotary tillers are needed.

[0003] There are several types of rotary tillage tool magazines currently available on the market: ① The rotary tillage tool magazine is directly welded to the cutter shaft, ② Two groups of half tool magazines are welded together to the cutter disc, and ③ Half of the tool magazine is welded to the cutter disc plane. The rotary tillage blade rotates at high speed and stirs the soil vigorously during use, so the firmness of the rotary tillage tool magazine, the tolerance of the tool magazine, and the accuracy of the relative position of the tool magazine all need to be guaranteed accordingly.

[0004] Therefore, it is urgent to design a tool magazine structure with optimized structure, firm installation, high reliability, accurate positioning, and guaranteed work efficiency, while also facilitating the installation and replacement of rotary tillage blades. Summary of the Invention

[0005] The purpose of the utility model is to provide a knife magazine structure for a rotary tiller which has an optimized structure, is firmly installed, has high reliability, is accurately positioned, ensures work efficiency, and is convenient for installing and replacing rotary tiller blades.

[0006] In order to achieve the above purpose, the present invention provides the following technical solutions:

[0007] A tool magazine structure for a rotary tiller blade, comprising:

[0008] A cutter disc, wherein the cutter disc is mounted on a cutter shaft;

[0009] The cutter head has a plurality of groups of through grooves spaced apart along its circumferential direction;

[0010] Also includes:

[0011] Tool magazine bodies, with multiple groups of tool magazine bodies spaced apart on both sides of the cutter disc and welded in the groove;

[0012] The rotary tillage blade is inserted into the gap between the tool magazine body and the cutter disc and is installed and fixed by bolts.

[0013] Furthermore, the tool magazine body includes a connecting plate;

[0014] The connection plate has a first welding portion and a second welding portion symmetrically distributed on both sides;

[0015] The welding part, the connecting plate and the welding part are an integrally formed U-shaped structure;

[0016] The first welding part and the second welding part are partially welded in the groove.

[0017] Furthermore, the first welding part and the second welding part are respectively formed with a convex part;

[0018] The protrusion is embedded in the groove and fixed by welding.

[0019] Furthermore, a positioning hole is provided between two adjacent groups of grooves;

[0020] Two positioning holes are provided on the tool magazine body;

[0021] The bolt passes through the second positioning hole, the rotary tillage blade, and the first positioning hole in sequence, and the nut is tightened to achieve fixed installation of the rotary tillage blade on the cutter disc.

[0022] In the above technical solution, the tool magazine structure of the rotary tiller blade of the utility model has the following beneficial effects:

[0023] The utility model provides a knife magazine structure for a rotary tiller. The grooves on the cutter disc have both positioning and reinforcement functions. By fitting and welding the raised portion with the groove, the installation between the knife magazine body and the cutter disc is made more secure, the relative position of the knife magazine body is more accurate, and the use of the rotary tiller is more reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0025] Figure 1 It is the rotary tillage tool magazine ① in the background technology (the rotary tillage tool magazine is directly welded to the knife shaft);

[0026] Figure 2 It is the rotary tillage tool magazine ② in the background technology (two sets of half tool magazines are welded together to the cutterhead);

[0027] Figure 3 A schematic structural diagram of a tool magazine structure for a rotary tiller provided by an embodiment of the utility model;

[0028] Figure 4A schematic structural diagram of a tool magazine structure for a rotary tiller provided by an embodiment of the utility model;

[0029] Figure 5 A schematic structural diagram of a tool magazine body in a tool magazine structure of a rotary tiller provided by an embodiment of the present utility model;

[0030] Figure 6 A schematic structural diagram of a tool magazine body in a tool magazine structure of a rotary tiller provided by an embodiment of the present utility model;

[0031] Figure 7 A schematic structural diagram of a cutter disc in a tool magazine structure of a rotary tiller provided by an embodiment of the utility model;

[0032] Figure 8 The present invention provides a schematic diagram of the installation structure of a tool magazine body and a cutter disc in a tool magazine structure of a rotary tiller provided by an embodiment of the present invention.

[0033] Description of reference numerals:

[0034] 1. Cutterhead; 2. Cutter shaft; 3. Cutter magazine body; 4. Rotary tillage blade;

[0035] 11. Groove; 12. A positioning hole;

[0036] 31. Connecting plate; 32. Welding part 1; 33. Welding part 2; 34. Raised part; 35. Positioning hole part 2. DETAILED DESCRIPTION

[0037] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0038] It should be noted that the terms "both sides", "upper", etc. used in this article indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description. Similar expressions are only for illustrative purposes, and 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 therefore cannot be understood as a limitation on the present invention; in addition, the terms "one part", "two parts", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0039] See also Figures 1-8 As shown;

[0040] A tool magazine structure for a rotary tiller blade, comprising:

[0041] Cutter disc 1, which is mounted on a cutter shaft 2;

[0042] The cutter head 1 has a plurality of groups of through grooves 11 spaced apart along its circumferential direction;

[0043] Also includes:

[0044] Tool magazine bodies 3, multiple groups of tool magazine bodies 3 are spaced apart and distributed on both sides of the cutter disc 1 and welded in the groove 11;

[0045] The rotary tillage blade 4 is inserted into the gap between the tool magazine body 3 and the cutter disc 1 and is installed and fixed by bolts.

[0046] Specifically, a tool magazine structure of a rotary tiller has a tool magazine body 3, which is installed on a cutter disc 1, and the cutter disc 1 is installed on a cutter shaft 2, wherein the tool magazine body 3 is evenly distributed on both sides of the cutter disc 1, and is installed in cooperation with the tool magazine body 3 through a groove 11 opened on the cutter disc 1, and the two sides of the tool magazine body 3 are inserted into the groove 11 and then welded and fixed. After the tool magazine body 3 is welded to the cutter disc, a space for clamping the rotary tiller blade 4 is formed, the rotary tiller blade 4 is installed in the clamping space, and the rotary tiller blade 4 is tightened with a bolt, thereby completing the assembly of the rotary tiller. When the rotary tiller blade 4 needs to be replaced, the bolt is unscrewed and a new rotary tiller blade 4 is replaced.

[0047] The tool magazine body 3 includes a connecting plate 31;

[0048] A welding portion 1 32 and a welding portion 2 33 are symmetrically distributed on both sides of the connecting plate 31;

[0049] The welding part 32, the connecting plate 31, and the welding part 33 are integrally formed into a U-shaped structure;

[0050] The first welding portion 32 and the second welding portion 33 are partially welded in the groove 11 .

[0051] The first welding portion 32 and the second welding portion 33 are respectively formed with a protrusion 34;

[0052] The protrusion 34 is embedded in the groove 11 and fixed by welding.

[0053] Specifically, the tool magazine body 3 has a U-shaped structure, that is, an integrally formed welding part 32, a connecting plate 31, and a welding part 33. The welding part 32 and the welding part 33 are the two side edges of the tool magazine body 3, and a protrusion 34 is formed on the welding part 32 and the welding part 33. When the tool magazine body 3 is installed with the tool disc 1, the protrusion 34 on the welding part 32 and the welding part 33 is completely embedded in the grooves 11 corresponding to the two groups of positions, and then the protrusion 34 is welded and fixed in the groove 11 by welding.

[0054] A positioning hole 12 is provided between two adjacent groups of grooves 11;

[0055] The tool magazine body 3 is provided with two positioning holes 35;

[0056] The bolt passes through the second positioning hole 35 , the rotary tiller blade 4 , and the first positioning hole 12 in sequence, and the nut is tightened to secure the rotary tiller blade 4 to the cutterhead 1 .

[0057] Specifically, grooves 11 are distributed on the cutter disc 1, and a positioning hole part 12 is provided between each two adjacent groups of grooves 11. A positioning hole part 2 35 is provided at the connecting plate 31 of the tool magazine body 3. When the tool magazine body 3 is welded to the groove 11 on the cutter disc 1 through the protrusion 34, the positioning hole part 2 35 corresponds to the positioning hole part 12. At this time, the U-shaped groove of the tool magazine body 3 is used to install the rotary tillage blade 4. The rotary tillage blade 4 is inserted into the U-shaped groove. The bolt passes through the positioning hole part 2 35, the rotary tillage blade 4, and the positioning hole part 12 in sequence from one side of the cutter disc 1. One end of the bolt passes through the positioning hole part 12 and extends to the other side of the cutter disc 1. Then, a nut is used to tighten it so that the rotary tillage blade 4 is connected and fixed to the tool magazine body 3 and the cutter disc 1 respectively.

[0058] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A tool magazine structure for a rotary tiller, comprising a cutter disc (1), wherein the cutter disc (1) is mounted on a cutter shaft (2), and is characterized in that: The cutter disc (1) has a plurality of groups of through grooves (11) spaced apart along its circumferential direction; Also includes: Tool magazine bodies (3), with multiple groups of tool magazine bodies (3) spaced apart and distributed on both sides of the cutter disc (1) and welded in the groove (11); A rotary tillage blade (4) is inserted into the gap between the tool magazine body (3) and the cutter disc (1) and is installed and fixed by bolts.

2. The tool magazine structure of a rotary tiller according to claim 1, characterized in that: The tool magazine body (3) includes a connecting plate (31); The connecting plate (31) is symmetrically provided with a first welding portion (32) and a second welding portion (33); The welding part (32), the connecting plate (31), and the welding part (33) are an integrally formed U-shaped structure; The welding part (32) and the welding part (33) are partially welded in the groove (11).

3. The tool magazine structure of a rotary tiller according to claim 2, characterized in that: The welding part (32) and the welding part (33) are respectively formed with a convex part (34); The protrusion (34) is embedded in the groove (11) and fixed by welding.

4. The tool magazine structure of a rotary tiller according to claim 1, characterized in that: A positioning hole portion (12) is provided between two adjacent groups of grooves (11); The tool magazine body (3) is provided with two positioning holes (35); The bolts are sequentially passed through the second positioning hole (35), the rotary tillage blade (4), and the first positioning hole (12), and the nuts are tightened to achieve fixed installation of the rotary tillage blade (4) on the cutter head (1).

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