Sawing mechanism of bamboo sawing machine

Abstract

The utility model relates to bamboo sawing machine technical field especially bamboo sawing machine's sawing mechanism, it includes: frame, first connecting rod, first connecting rod is hinged to frame through first pivot joint, servo motor, servo motor is connected to frame, second connecting rod, one end of second connecting rod is fixedly connected in servo motor's output shaft, third connecting rod, one end of third connecting rod is hinged to the other end of second connecting rod through second pivot joint, the other end of third connecting rod is hinged to first connecting rod through third pivot joint, saw blade body, saw blade body is rotatably connected in first connecting rod, first connecting rod is perpendicular to pivot, saw blade drive motor, saw blade drive motor is connected to first connecting rod, saw blade drive motor and pivot transmission connection of saw blade body are used for driving saw blade body rotation. Through the improvement bamboo sawing machine's sawing mechanism, increase the cutting stability of raw bamboo, improve the quality and precision of raw bamboo cutting surface.

Description

Technical Field

[0001] This utility model relates to the field of bamboo sawing machine technology, and in particular to the sawing mechanism of bamboo sawing machine. Background Technology

[0002] Chinese patent CN219748356U discloses a bamboo sawing machine, which involves a cutting mechanism including a cutting saw support, a connecting plate, a cutting motor, a cutting cylinder, and a cutting blade. Its principle is that the extension and retraction of the cutting cylinder drives the connecting plate to swing, causing the cutting blade to swing with the connecting plate and thus cut the raw bamboo. This structure, driven by the cutting cylinder, has the following problems: the movement speed is limited by the supply and exhaust rates of compressed air and the inertia of the cylinder itself, resulting in high wear and low efficiency. At both ends of the stroke, especially near the endpoints, creeping or impact vibrations are prone to occur, causing unstable saw blade movement. This affects the quality and accuracy of the cut surface of the raw bamboo and may exacerbate saw blade wear and machine vibration noise. Utility Model Content

[0003] The technical problem to be solved by this utility model is to improve the cutting mechanism of the bamboo sawing machine, thereby increasing the cutting stability of raw bamboo and improving the quality and precision of the cut surface of raw bamboo.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0005] The sawing mechanism of the bamboo sawing machine includes:

[0006] frame;

[0007] The first link is pivotally connected to the frame via a first pivot point;

[0008] A servo motor, which is connected to the frame;

[0009] The second link, one end of which is fixedly connected to the output shaft of the servo motor;

[0010] The third link, one end of which is pivotally connected to the other end of the second link via the second pivot point, and the other end of which is pivotally connected to the first link via the third pivot point;

[0011] The saw blade body is rotatably connected to the first connecting rod via a rotating shaft, and the first connecting rod is perpendicular to the rotating shaft;

[0012] A saw blade drive motor is connected to a first connecting rod and is connected to the rotating shaft of the saw blade body for driving the saw blade body to rotate.

[0013] Furthermore, in the sawing mechanism of the aforementioned bamboo sawing machine, the saw blade drive motor is located on the first side of the first pivot point, the third pivot point is located on the second side of the first pivot point, and the rotating shaft of the saw blade body is located on the second side of the third pivot point.

[0014] Furthermore, in the sawing mechanism of the aforementioned bamboo sawing machine, the second pivot point is located above the third pivot point.

[0015] Furthermore, in the sawing mechanism of the aforementioned bamboo sawing machine, the angle between the first connecting rod and the horizontal plane is 0-20 degrees.

[0016] Furthermore, in the sawing mechanism of the aforementioned bamboo sawing machine, the servo motor is located above the saw blade body.

[0017] The beneficial effects of this utility model are as follows: By designing a specific pivot structure for the first, second, and third connecting rods, a servo motor drives the second connecting rod to rotate, which in turn drives the first connecting rod to swing back and forth via the third connecting rod. Through a control program that controls the intermittent rotation of the servo motor, the saw blade moves rhythmically up and down, thereby performing targeted cutting on the raw bamboo below. Compared to the original method of using a cylinder to indirectly drive the saw blade to move back and forth, this method overcomes the problems of high wear rate and low efficiency caused by the inertia of the cylinder itself. It can effectively reduce the vibration generated during the movement of the saw blade, thus effectively improving the quality and precision of the cut surface of the raw bamboo. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the sawing mechanism of a bamboo sawing machine according to a specific embodiment of the present utility model;

[0019] Figure 2 for Figure 1 Enlarged view of part A;

[0020] Label Explanation:

[0021] 1. Rack;

[0022] 2. First connecting rod; 21. First pivot point;

[0023] 3. Servo motor;

[0024] 4. Second link;

[0025] 5. Third link; 51. Second pivot point; 52. Third pivot point;

[0026] 6. Saw blade body; 61. Rotary shaft;

[0027] 7. Saw blade drive motor. Detailed Implementation

[0028] To explain in detail the technical content, objectives, and effects of this utility model, the following description is provided in conjunction with the embodiments and accompanying drawings.

[0029] Please refer to Figure 1 as well as Figure 2 The present invention relates to a sawing mechanism for a bamboo sawing machine, comprising:

[0030] Rack 1;

[0031] First link 2, the first link 2 is pivotally connected to frame 1 via first pivot point 21;

[0032] Servo motor 3, which is connected to frame 1;

[0033] The second link 4, one end of which is fixedly connected to the output shaft of the servo motor 3;

[0034] The third link 5, one end of which is pivotally connected to the other end of the second link 4 via the second pivot point 51, and the other end of the third link 5 is pivotally connected to the first link 2 via the third pivot point 52;

[0035] The saw blade body 6 is rotatably connected to the first connecting rod 2 via a rotating shaft 61, and the first connecting rod 2 is perpendicular to the rotating shaft 61.

[0036] The saw blade drive motor 7 is connected to the first connecting rod 2 and is connected to the rotating shaft 61 of the saw blade body 6 for driving the saw blade body 6 to rotate.

[0037] This utility model is an improvement on the cutting mechanism of Chinese Patent No. CN219748356U. In this utility model, a specific pivot structure is designed for the first link 2, the second link 4, and the third link 5. The second link 4 is driven to rotate by the servo motor 3, which in turn drives the first link 2 to swing back and forth through the third link 5. By controlling the intermittent rotation of the servo motor 3, the saw blade moves rhythmically up and down, thereby cutting the raw bamboo at a fixed point. Compared with the original method of driving the saw blade to move back and forth indirectly by the servo motor 3, this method overcomes the problems of high wear rate and low efficiency caused by the inertia of the cylinder itself. It can effectively reduce the vibration generated during the movement of the saw blade, thus effectively improving the quality and precision of the cut surface of the raw bamboo.

[0038] In a preferred embodiment, the saw blade drive motor 7 is located on the first side of the first pivot point 21, the third pivot point 52 is located on the second side of the first pivot point 21, and the rotating shaft 61 of the saw blade body 6 is located on the second side of the third pivot point 52.

[0039] In the above embodiments, by setting the positions of each pivot point and the saw blade drive motor 7 and the saw blade body 6, the first connecting rod 2 can be balanced with the first pivot point 21 as the balance point, so that the first connecting rod 2 tends to be balanced left and right when it is not under force, thereby reducing resistance when the saw blade swings up and down, and effectively reducing the energy consumption of the servo motor 3 driving the saw blade body 6 to swing.

[0040] In a preferred embodiment, the second pivot point 51 is located above the third pivot point 52.

[0041] In a preferred embodiment, the angle between the first link 2 and the horizontal plane is 0-20 degrees.

[0042] In a preferred embodiment, the servo motor 3 is located above the saw blade body 6.

[0043] In the above embodiments, the servo motor 3, the third link 5, and the second link 4 are all located above the first link 2. Compared with the method in the comparative patent where the frame 1 and the cutting cylinder are located at the lower part of the corresponding link, it can better avoid the raw bamboo passing below. In particular, it can avoid the raw bamboo from interfering with the sawing mechanism during the lateral movement of the raw bamboo.

[0044] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent modifications made based on the content of this utility model specification and drawings, or direct or indirect applications in related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. The sawing mechanism of a bamboo sawing machine, characterized in that, include: frame; The first link is pivotally connected to the frame via a first pivot point; A servo motor, which is connected to the frame; The second link, one end of which is fixedly connected to the output shaft of the servo motor; The third link, one end of which is pivotally connected to the other end of the second link via the second pivot point, and the other end of which is pivotally connected to the first link via the third pivot point; The saw blade body is rotatably connected to a first connecting rod via a pivot, and the first connecting rod is perpendicular to the pivot. A saw blade drive motor is connected to a first connecting rod and is connected to the rotating shaft of the saw blade body for driving the saw blade body to rotate.

2. The sawing mechanism of the bamboo sawing machine according to claim 1, characterized in that, The saw blade drive motor is located on the first side of the first pivot point, the third pivot point is located on the second side of the first pivot point, and the rotating shaft of the saw blade body is located on the second side of the third pivot point.

3. The sawing mechanism of the bamboo sawing machine according to claim 1, characterized in that, The second pivot point is located above the third pivot point.

4. The sawing mechanism of the bamboo sawing machine according to claim 1, characterized in that, The angle between the first link and the horizontal plane is 0-20 degrees.

5. The sawing mechanism of the bamboo sawing machine according to claim 1, characterized in that, The servo motor is located above the saw blade body.

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