Crushing cutter head of hay cutter
By using a design of connecting bolts and nuts on the shredder's cutting disc, combined with connecting thread holes and sliding block adjustment grooves, the problems of large size and fine adjustment of the drive shaft are solved, achieving more convenient installation and flexible transmission.
Patent Information
- Application Number
- CN202423080128.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-13
AI Technical Summary
The existing chaff cutter's shredder disc is too large, making it inconvenient to install and disassemble. Furthermore, the drive shaft cannot be finely adjusted to the appropriate length, affecting the ease of installation and disassembly.
The design employs connecting bolts and nuts, along with connecting threaded holes, to facilitate the installation of the blade body and blade tip. The sliding block and adjusting groove allow for fine-tuning of the drive shaft's length as needed.
This improves the ease of installation of the shredder's cutting disc and the flexibility of the drive shaft, enhancing transmission efficiency and ease of installation.
Smart Images

Figure CN223666850U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a grass chopper technical field, concretely relates to a grass chopper pulverizing cutter head. BACKGROUND
[0002] In the grass chopper technical field, the grass chopper pulverizing cutter head is the core component of the grass chopper, and the design of the grass chopper pulverizing cutter head has certain flexibility, which can adapt to different types and hardness of forage. By adjusting the number and angle of the blades or replacing different types of blades, the cutting and pulverizing requirements of different forages can be met. This adaptability enables the grass chopper to be widely used in various agricultural production environments to meet the needs of different users.
[0003] For example, Chinese patent authorization announcement No. CN211982745U discloses a grass chopper pulverizing cutter head. The cutter head body is circular in structure, and the cutter head body is provided with a through shaft hole and a reinforcing ring. The cutter head body is provided with a blade holder on one side, and a hammer holder on the other side. The blade holders are evenly distributed on the cutter head body, and the hammer holders are evenly distributed on the cutter head body. The hammer holders and the blade holders are arranged in a staggered manner, and the hammer holders are provided with hammers. By arranging the blade holders and the hammer holders on the cutter head body, the pulverizing blades and the hammers can be fixed thereon, so that the cutter head body can not only cut but also crush part of the raw materials that are difficult to cut. This facilitates processing and solves the problem that the length of the pulverizing blades cannot be adjusted on the existing grass chopper pulverizing cutter head, and the hammer is not provided, so the raw materials cannot be crushed, which is not conducive to the consumption of various animals.
[0004] Although the above-mentioned utility model improves the adjustability of the blades of the grass chopper pulverizing cutter head to some extent, it is not convenient to install and disassemble due to its large size, which makes the grass chopper pulverizing cutter head more time-consuming and laborious to install and disassemble. Moreover, the transmission shaft cannot be properly adjusted according to the appropriate length, which affects the convenience of installing and disassembling the grass chopper pulverizing cutter head. UTILITY MODEL CONTENTS
[0005] The utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a grass chopper pulverizing cutter head.
[0006] A grass chopper pulverizing cutter head includes a cutter head, a placement slot is provided on the outer side of the cutter head, a blade body is slidably connected in the placement slot, and the blade body is installed in the interior of the cutter head through sliding;
[0007] The blade body is stably arranged in the positioning hole one through the connecting bolt and the blade provided on the blade body, and the connecting bolt is connected with the connecting nut through threads on one side;
[0008] The cutter head is fixed to the cutter body on the side far from the placing groove, and is used for crushing grass;
[0009] The first transmission shaft is connected to the middle part of the cutter disc and the protection disc, and is used for driving the cutter disc, the cutter body and the cutter head to rotate and transmit power.
[0010] As a further scheme of the utility model, the cutter body and the cutter head are provided with five groups, which can enhance the uniformity during rotation and crushing.
[0011] As a further scheme of the utility model, the protection disc is connected to the both sides of the cutter disc, and is used for limiting and stabilizing the cutter disc.
[0012] As a further scheme of the utility model, two groups of connecting chucks are welded on the side of the protection disc far from the cutter disc, and the middle part of the connecting chuck is provided with a connecting thread hole one, which is used for connecting with the first transmission shaft.
[0013] As a further scheme of the utility model, the first transmission shaft is provided with a connecting thread hole two, and the first transmission shaft is connected with the connecting chuck through the connecting thread hole two.
[0014] As a further scheme of the utility model, the first transmission shaft is connected with the second transmission shaft on one side, and the second transmission shaft is welded with a transmission gear on the side far from the first transmission shaft, which is used for engaging with the external gear to transmit power.
[0015] As a further scheme of the utility model, the adjusting groove on the first transmission shaft is connected with a sliding block, one side of the sliding block is welded on the second transmission shaft, the other side of the sliding block is fixedly connected with a positioning buckle, and the both sides of the positioning buckle are rotatably connected with a positioning screw.
[0016] As a further scheme of the utility model,
[0017] The sliding block is used for assisting the second transmission shaft to slide on one side of the first transmission shaft, and the positioning screw is threadedly connected with the positioning thread hole on the side of the first transmission shaft close to the adjusting groove, so as to limit the length of the second transmission shaft.
[0018] (1) The utility model utilizes the setting of the connecting bolt and the connecting nut to solve the problem that the existing grass chopper crushing cutter disc is large in size and inconvenient to disassemble, and through the setting of the connecting thread hole one and the connecting thread hole two, the grass chopper crushing cutter disc is more convenient to connect with the first transmission shaft, so that the grass chopper crushing cutter disc is more convenient to install;
[0019] (2) The utility model discloses, through pulling second transmission shaft, the second transmission shaft is with sliding block along the length of adjusting groove and moves adjustment, with transmission shaft can be fine adjustment according to the length of butt joint, thereby increase the flexibility of transmission shaft connection. BRIEF DESCRIPTION OF DRAWINGS
[0020] The utility model will be further described below in combination with the drawings.
[0021] Figure 1 It is a kind of three-dimensional structure schematic diagram of the utility model discloses a hay cutter pulverizing cutter head;
[0022] Figure 2 It is a kind of partial structure split schematic diagram of the utility model discloses a hay cutter pulverizing cutter head Figure One ;
[0023] Figure 3 It is a kind of partial structure split schematic diagram of the utility model discloses a hay cutter pulverizing cutter head Figure Two ;
[0024] Figure 4 It is Figure 3 Enlarged view of A in the utility model.
[0025] In the drawing: 1, cutter head;2, protection disc;3, positioning hole one;4, placement groove;5, blade body;6, blade;7, cutter head;8, connecting bolt;9, connecting nut;10, connecting chuck;11, connecting wire hole one;12, first transmission shaft;13, connecting wire hole two;14, positioning wire hole;15, adjusting groove;16, second transmission shaft;17, transmission gear;18, sliding block;19, positioning screw;20, positioning buckle. DETAILED DESCRIPTION
[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.
[0027] Embodiment one:
[0028] Please refer to Figures 1-4 The utility model discloses a hay cutter pulverizing cutter head, a hay cutter pulverizing cutter head, characterized in that, including:
[0029] Cutter head 1, the outside of cutter head 1 is provided with placement groove 4, and blade body 5 is slidably connected in placement groove 4, and blade body 5 is slidably installed in the inside of cutter head 1;
[0030] The blade body 5 is fixed in the positioning hole one 3 through the connecting bolt 8 passing through the positioning hole one 3 arranged on the cutter disc 1 and the blade 6 arranged on the blade body 5, and one side of the connecting bolt 8 is connected with the connecting nut 9 through threads;
[0031] The cutter head 7 is fixed on the side of the blade body 5 away from the placing groove 4, and the cutter head 7 is used for crushing grass;
[0032] The first transmission shaft 12 penetrates and is slidingly connected to the middle part of the cutter disc 1 and the protection disc 2, and the first transmission shaft 12 is used for driving the cutter disc 1, the blade body 5 and the cutter head 7 to rotate and transmit power.
[0033] It should be noted that the blade body 5 and the cutter head 7 are made of stainless steel impact-resistant material, and one end of the cutter head 7 is pointed.
[0034] As a preferred embodiment, the blade body 5 and the cutter head 7 are provided with five groups, and the five groups of the blade body 5 and the cutter head 7 can enhance the uniformity during rotation and crushing.
[0035] As a preferred embodiment, the cutter disc 1 is connected with the protection disc 2 on both sides, and the protection disc 2 is used for limiting and stabilizing the cutter disc 1.
[0036] It should be noted that the center of the protection disc 2 is hollow, which facilitates the adjustment of the protection disc 2 by the first transmission shaft 12.
[0037] As a preferred embodiment, the cutter disc 1 is connected with the protection disc 2 on both sides, and the protection disc 2 is used for limiting and stabilizing the cutter disc 1.
[0038] It should be noted that the protection disc 2 is circular, and the contact area with the cutter disc 1 is wider.
[0039] As a preferred embodiment, two groups of connecting chucks 10 are welded on the side of the protection disc 2 away from the cutter disc 1, and the middle part of the connecting chuck 10 is provided with a connecting wire hole one 11, which is used for connecting with the first transmission shaft 12.
[0040] It should be noted that the connecting chuck 10 is semicircular, and the material is stainless steel, which can effectively prevent rust and affect the transmission effect.
[0041] Specific use: when the need to disassemble the blade body 5 and the tool bit 7, the need to rotate the connecting bolt 8 to make the connecting nut 9 rotate, pull the blade body 5, the blade body 5 along the placement groove 4 sliding out, when the blade body 5 and the tool bit 7 are installed, the blade body 5 is placed in the placement groove 4 and the length is adjusted, the connecting bolt 8 passes through the positioning hole one 3 and the appropriate blade 6 on the blade body 5 and is locked by the connecting nut 9, when the first transmission shaft 12 is installed, the first transmission shaft 12 passes through the middle part of the cutter head 1 through the protection disc 2 and is attached to one side of the cutter head 1, and is screwed through the connecting wire hole one 11 on the connecting chuck 10 and the connecting wire hole two 13 on the first transmission shaft 12 by an external connecting component (not shown).
[0042] Example two:
[0043] As a preferred embodiment, the first transmission shaft 12 is provided with a connecting wire hole two 13, and the first transmission shaft 12 is connected with the connecting chuck 10 through the connecting wire hole two 13.
[0044] It should be noted that the connecting wire hole two 13 is screwed with the connecting chuck 10 through an external connecting component (not shown).
[0045] As a preferred embodiment, the first transmission shaft 12 is slidably connected to the second transmission shaft 16 on one side, and the second transmission shaft 16 is welded with a transmission gear 17 away from the first transmission shaft 12, and the transmission gear 17 is used for engaging with an external gear for transmission.
[0046] It should be noted that the second transmission shaft 16 is solid stainless steel material, which can effectively enhance the transmission efficiency.
[0047] As a preferred embodiment, the first transmission shaft 12 is provided with an adjusting groove 15, and the sliding block 18 is slidably connected in the adjusting groove 15, one side of the sliding block 18 is welded to the second transmission shaft 16, the other side of the sliding block 18 is fixedly connected to the positioning buckle 20, and the two sides of the positioning buckle 20 are rotatably connected to the positioning screw 19.
[0048] It should be noted that the positioning buckle 20 is arc-shaped and can better fit the first transmission shaft 12.
[0049] As a preferred embodiment, the sliding block 18 is used to assist the second transmission shaft 16 to slide on one side of the first transmission shaft 12, and the positioning screw 19 is threadedly connected with the positioning wire hole 14 on one side of the first transmission shaft 12 close to the adjusting groove 15 to limit the length of the second transmission shaft 16.
[0050] Specific use: when the need to adjust the meshing according to the specific external gear (not shown), pull the second drive shaft 16, the second drive shaft 16 with the sliding block 18 along the length of the adjustment slot 15 to move adjustment, the sliding block 18 with the positioning buckle 20 and positioning screw 19 to move, when the transmission gear 17 and external gear mesh, the positioning screw 19 and the first drive shaft 12 on the appropriate positioning screw hole 14 to screw connection, make the second drive shaft 16 through the positioning screw 19 is stable in the positioning screw hole 14, so that the first drive shaft 12 and the second drive shaft 16 better to carry on the integral type rotation.
[0051] The above embodiment of the present application is described in detail, but the content is only the preferred embodiment of the present application, can not be considered for limiting the scope of the present application. Any equivalent changes and improvements made in the scope of the present application should still belong to the patent scope of the present application.
Claims
1. A chopper mill cutting disc, characterized in that, Include: The cutter head (1) is provided with a placing groove (4) outside, a cutter body (5) is slidably connected in the placing groove (4), and the cutter body (5) is slidably installed in the inside of the cutter head (1); The cutter body (5) is stably arranged in the positioning hole (3) through the connecting bolt (8) passing through the positioning hole (3) provided on the cutter head (1) and the blade (6) provided on the cutter body (5), one side of the connecting bolt (8) is connected with the connecting nut (9) through threads; The cutter head (7) is fixed to the side of the cutter body (5) away from the placing groove (4), and the cutter head (7) is used for crushing grass; The first transmission shaft (12) penetrates and is slidably connected to the middle part of the cutter head (1) and the protection disc (2), and is used for driving the cutter head (1), the cutter body (5) and the cutter head (7) to rotate and transmit power.
2. A chopper knife disc according to claim 1 wherein, The cutter body (5) and the cutter head (7) are provided with five groups, which can enhance the uniformity of rotation and crushing.
3. A chopper knife disc according to claim 2, wherein, The protection disc (2) is connected to the both sides of the cutter head (1), and is used for limiting and stabilizing the cutter head (1).
4. A chopper knife disc according to claim 3 wherein, Two groups of connecting chucks (10) are welded on the side of the protection disc (2) away from the cutter head (1), and a connecting wire hole (11) is arranged in the middle part of each connecting chuck (10), which is used for connecting with the first transmission shaft (12).
5. A chopper knife disc according to claim 4 wherein, The first transmission shaft (12) is provided with a connecting wire hole (13), and the first transmission shaft (12) is connected with the connecting chuck (10) through the connecting wire hole (13).
6. A chopper knife disc according to claim 5 wherein, The first transmission shaft (12) is slidably connected with the second transmission shaft (16) on one side, and the transmission gear (17) is welded on the side of the second transmission shaft (16) away from the first transmission shaft (12), which is used for meshing with the external gear to transmit power.
7. A chopper knife disc according to claim 6 wherein, The adjusting groove (15) provided on the first transmission shaft (12) is slidably connected with the sliding block (18), one side of the sliding block (18) is welded on the second transmission shaft (16), the other side of the sliding block (18) is fixedly connected with the positioning buckle (20), and the both sides of the positioning buckle (20) are rotatably connected with the positioning screw (19).
8. A chopper knife disc according to claim 7, wherein, The sliding block (18) is used for assisting the second transmission shaft (16) to slide on one side of the first transmission shaft (12), and the positioning screw (19) is threadedly connected with the positioning wire hole (14) on the side of the first transmission shaft (12) close to the adjusting groove (15), so as to limit the length of the second transmission shaft (16).
Citation Information
Patent Citations
Crushing cutter head of hay cutter
CN211982745U