Cutter head structure of hay cutter
By designing a cutting machine cutting machine structure including a main cutting plate, a secondary cutting plate and multiple cutting devices, the problem of improving material cutting efficiency but insufficient fineness in the prior art is solved, and efficient fine cutting effect is achieved.
Patent Information
- Application Number
- CN202421939936.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-12
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-08-12
AI Technical Summary
When improving cutting efficiency, the material cutting is not fine enough when the existing hay cutter cutter structure is improved.
A hay cutter cutter structure is designed, including mounting cylinder, main cutting blade, secondary cutting blade, fixing ring, positioning plate, connecting plate, connecting rod, installation plate and swing knife. Through the cutting teeth on the main cutting plate and the sub-cutting plate, the multiple cutting of the swing blade, the moving blade and the fixed blade are improved to improve the cutting efficiency and ensure fineness.
While improving the material cutting efficiency, it ensures the fineness of material cutting, solving the problem of insufficient fineness in the prior art.
Smart Images
Figure CN222888256U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cutting equipment, in particular to a blade structure of a grass mower. Background Art
[0002] With the development of agricultural mechanization, the breeding industry, especially the breeding industry of a certain scale, has introduced hay mowers to replace manual operation. For hay mowers, cutting efficiency is an important indicator to measure the performance of hay mowers, and the structural design of the blade directly affects the cutting efficiency.
[0003] Although many cutter disc structures have been proposed in the prior art, in actual applications, the problem often occurs that the material is not chopped finely enough while the cutting efficiency is improved. Utility Model Content
[0004] The technical problem to be solved by the utility model is that when the material cutting efficiency is improved, the material is not cut finely enough.
[0005] In order to solve the above problems, the technical solution of the utility model is: a grass mower blade structure, including a mounting tube and a main blade and an auxiliary blade installed on the outside of the mounting tube, fixed rings are fixedly connected to the outside of both ends of the mounting tube, the main blade and the auxiliary blade are respectively installed on the outside of two fixed rings through multiple positioning plates, multiple connecting plates and connecting rods are installed between the positioning plates at both ends of the mounting tube, the connecting plates and the connecting rods are arranged at intervals, and a mounting plate for installing a moving blade is fixedly connected to the connecting plate, and a swinging knife that can rotate around the connecting rod is installed on the connecting rod.
[0006] Furthermore, the main cutter disc and the auxiliary cutter disc are both annular, and cutting teeth are provided on the edges of the main cutter disc and the auxiliary cutter disc.
[0007] Furthermore, the inner diameters of the main cutter disc and the auxiliary cutter disc are the same, and the outer diameter of the main cutter disc is greater than the outer diameter of the auxiliary cutter disc.
[0008] Furthermore, both ends of the connecting plate are mounted on the positioning plate by means of a plurality of bolts; and a positioning cylinder sleeved on the outside of the connecting rod is fixedly connected to the inner side of the positioning plate.
[0009] Furthermore, the end of the mounting plate extends to the outside of the main cutter disc.
[0010] Furthermore, limit rings are installed on the outer side of the connecting rod at both sides of the swinging knife.
[0011] The advantages of the utility model compared with the existing technology are: the utility model uses the cutting teeth on the main blade disc and the auxiliary blade disc, cooperates with the swing knife, the moving blade installed on the mounting plate and the fixed blade on the grass mower, and through multiple cutting, it improves the material cutting efficiency while ensuring the fineness of the material cutting. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 The utility model is a three-dimensional Figure 1 .
[0013] Figure 2 The utility model is a three-dimensional Figure 2 .
[0014] Figure 3 It is an installation structure diagram of the practical connecting plate and connecting rod.
[0015] As shown in the figure: 1. Installation cylinder; 2. Main blade disc; 3. Auxiliary blade disc; 4. Fixed ring; 5. Positioning plate; 6. Connecting plate; 7. Connecting rod; 8. Installation plate; 9. Swing knife; 10. Positioning cylinder; 11. Limit ring. DETAILED DESCRIPTION
[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than 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 are within the scope of protection of the utility model.
[0017] like Figures 1 to 3 As shown, a blade structure of a grass mower comprises a mounting tube 1 and a main blade 2 and an auxiliary blade 3 mounted on the outside of the mounting tube 1, fixing rings 4 are fixedly connected to the outside of both ends of the mounting tube 1, the main blade 2 and the auxiliary blade 3 are respectively mounted on the outsides of two fixing rings 4 through a plurality of positioning plates 5, the main blade 2 and the auxiliary blade 3 are both annular, and cutting teeth are provided on the edges of the main blade 2 and the auxiliary blade 3, the inner diameters of the main blade 2 and the auxiliary blade 3 are the same, and the outer diameter of the main blade 2 is larger than the outer diameter of the auxiliary blade 3.
[0018] A plurality of connecting plates 6 and connecting rods 7 are installed between the positioning plates 5 located at both ends of the mounting tube 1. The connecting plates 6 and connecting rods 7 are spaced apart, and a mounting plate 8 for mounting a moving blade is fixedly connected to the connecting plate 6. A swinging knife 9 that can rotate around the connecting rod 7 is installed on the connecting rod 7. Both ends of the connecting plate 6 are mounted on the positioning plate 5 by a plurality of bolts. A positioning tube 10 sleeved on the outside of the connecting rod 7 is fixedly connected to the inner side of the positioning plate 5. The end of the mounting plate 8 extends to the outside of the main blade disc 2. Limiting rings 11 are installed on both sides of the swinging knife 9 on the outside of the connecting rod 7.
[0019] In specific use, a moving blade is installed on the mounting plate 8, and the cutter head is installed on the main shaft of the hay cutter for hay cutting through the mounting cylinder 1. During operation, through the cutting teeth on the main cutter head 2 and the auxiliary cutter head 3, in cooperation with the flail knife 9, the moving blade installed on the mounting plate 8 and the fixed blade on the hay cutter, through multiple cuts, while improving the cutting efficiency of the material, the fineness of the material cutting is ensured.
[0020] The parts not disclosed in the present utility model are all prior arts, and their specific structures and working principles will not be elaborated herein.
[0021] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device.
[0022] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.
[0023] The above describes the present utility model and its embodiments. Such description is not restrictive. What is shown in the drawings is only one of the embodiments of the present utility model, and the actual structure is not limited thereto. Generally speaking, if those of ordinary skill in the art are inspired by it and design similar structural modes and embodiments without creative efforts without departing from the creative purpose of the present utility model, they shall fall within the protection scope of the present utility model.
Claims
1. A blade structure of a grass mower, comprising a mounting tube (1) and a main blade (2) and a secondary blade (3) mounted outside the mounting tube (1), characterized in that: The outer sides of both ends of the installation tube (1) are fixedly connected with fixing rings (4); the main blade disc (2) and the auxiliary blade disc (3) are respectively installed on the outer sides of the two fixing rings (4) through a plurality of positioning plates (5); a plurality of connecting plates (6) and connecting rods (7) are installed between the positioning plates (5) at both ends of the installation tube (1); the connecting plates (6) and connecting rods (7) are arranged at intervals, and a mounting plate (8) for mounting a moving blade is fixedly connected to the connecting plate (6); and a swinging knife (9) that can rotate around the connecting rod (7) is installed on the connecting rod (7).
2. The blade structure of a grass mower according to claim 1, characterized in that: The main cutter disc (2) and the auxiliary cutter disc (3) are both annular, and cutting teeth are provided at the edges of the main cutter disc (2) and the auxiliary cutter disc (3).
3. The blade structure of a grass mower according to claim 2, characterized in that: The inner diameters of the main cutter disc (2) and the auxiliary cutter disc (3) are the same, and the outer diameter of the main cutter disc (2) is greater than the outer diameter of the auxiliary cutter disc (3).
4. The blade structure of a grass mower according to claim 1, characterized in that: The two ends of the connecting plate (6) are mounted on the positioning plate (5) by means of a plurality of bolts; the inner side of the positioning plate (5) is fixedly connected with a positioning cylinder (10) sleeved on the outer side of the connecting rod (7).
5. The blade structure of a grass mower according to claim 1, characterized in that: The end of the mounting plate (8) extends to the outside of the main cutter disc (2).
6. The blade structure of a grass mower according to claim 1, characterized in that: Limiting rings (11) are installed on the outer side of the connecting rod (7) at both sides of the swinging knife (9).