Pruning tool for seedling planting

Abstract

The utility model provides a pruning tool for nursery stock planting, which relates to the technical field of nursery stock pruning and comprises an equipment box, a servo motor is fixed inside the equipment box, an output end of the servo motor is connected with a transmission rod, a turntable is arranged at one end of the transmission rod far away from the servo motor, and a third rotating shaft is arranged on one side of the turntable far away from the transmission rod. And the other end of the connecting rod is rotationally connected with a second rotating shaft, and the end, away from the connecting rod, of the second rotating shaft is connected with a sliding rod. The servo motor drives the transmission rod to rotate, the transmission rod drives the rotating disc to rotate synchronously, the third rotating shaft is arranged on the edge of the outer side of the rotating disc, the connecting rod is connected to the rotating shaft, the other end of the connecting rod is connected with the second rotating shaft, the second rotating shaft is fixed to the sliding rod, the sliding rod freely slides in the sliding groove, and therefore crankshaft connecting rod movement is formed. And the sliding rod continuously reciprocates in the sliding groove.

Description

Technical Field

[0001] The utility model relates to the technical field of seedling pruning, in particular to a seedling planting and pruning tool. Background Art

[0002] Planting and pruning seedlings is an important part of landscaping work. Its purpose is not only to shape the form of trees and improve their ornamental value, but also to promote the healthy growth of trees and prevent diseases and pests.

[0003] After searching, an efficient pruning device for Castanopsis chinensis seedlings disclosed with an existing patent announcement number of CN218007163U includes an installation box and two pruning blades, a fixed plate is fixedly installed on the top of the installation box, a fixed shaft is fixedly installed on the front side of the fixed plate, the two pruning blades are rotatably sleeved on the outside of the fixed shaft, and a circular hole is opened at the bottom front side of the pruning blade, a cylinder is fixedly installed in the circular hole, a connecting plate is rotatably sleeved on the outside of the cylinder, screw rods are rotatably connected to both sides of the top of the installation box, the outer sides of the two screw rods are threadedly sleeved with the same movable plate, and a vertical plate is fixedly installed on the top of the movable plate.

[0004] However, in actual use, the utility model frequently uses the motor for forward and reverse rotation to achieve the cutting function. This long-term forward and reverse operation will aggravate the wear of the internal components of the motor, and thus have an adverse effect on the life and performance of the motor. In the long run, it may not only lead to poor cutting effect, but also significantly reduce the reliability of the entire device. Utility Model Content

[0005] The technical solution of the utility model is aimed at the existing technology that solves too single technical problems, and provides a solution that is significantly different from the existing technology. In order to overcome the above defects of the existing technology, the utility model provides a new solution to solve the problems raised in the above background technology.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a seedling planting pruning tool comprises an equipment box, a servo motor is fixed inside the equipment box, the output end of the servo motor is connected to a transmission rod, a turntable is provided at the end of the transmission rod away from the servo motor, a third rotating shaft is provided on the side of the turntable away from the transmission rod, the third rotating shaft is located at the outer edge of the turntable, and the end is rotatably connected to the connecting rod, the other end of the connecting rod is rotatably connected to the second rotating shaft, the second rotating shaft is connected to a sliding rod away from one end of the connecting rod, the sliding rod is slidably connected in the lower sliding groove, a cam slider is provided at the end of the sliding rod away from the second rotating shaft, cams on both sides of the bottom of the cam slider slide in the cam grooves opened at the tails of two pruning knives, the two pruning knives are arranged opposite to each other, and are rotatably connected to a first rotating shaft near the cam groove, and the two first rotating shafts are arranged on the bottom surface of the equipment box.

[0007] Optionally, a widened portion is provided at the handle at the rear end of the pruning knife, and the cam groove is provided in the widened portion of the pruning knife.

[0008] Optionally, a knife groove is provided on the outer shell of the equipment box on one side close to the two pruning knives.

[0009] Optionally, the end of the equipment box away from the pruning knife is connected to a telescopic rod, the telescopic rod includes a telescopic outer tube and a telescopic inner tube, the telescopic inner tube is slidably connected inside the telescopic outer tube, and the telescopic inner tube is connected to the equipment box.

[0010] Optionally, a forward and reverse motor is installed on the inner bottom surface of the telescopic outer tube, and the output end of the forward and reverse motor is connected to a screw rod.

[0011] Optionally, a threaded hole is correspondingly opened at one end of the telescopic inner tube close to the screw rod, and a threaded connection screw rod passes through the threaded hole.

[0012] Optionally, a limit block is provided above the forward and reverse motor.

[0013] Optionally, a handle is provided at one end of the telescopic outer tube away from the equipment box.

[0014] Compared with the prior art, the advantages and positive effects of the utility model are:

[0015] 1. In the utility model, a transmission rod is driven to rotate by a servo motor, and the transmission rod drives the turntable to rotate synchronously. A third rotating shaft is provided on the outer edge of the turntable, and a connecting rod is connected to the rotating shaft. The other end of the connecting rod is connected to the second rotating shaft, and the second rotating shaft is fixed to the sliding rod. The sliding rod slides freely in the sliding groove, thereby forming a crankshaft connecting rod movement, so that the sliding rod can realize continuous reciprocating motion in the sliding groove. In addition, the sliding rod is connected to the cam slider, and the two cams on the slider are respectively embedded in the cam grooves on both sides. Therefore, when the cam slider reciprocates, it can drive the two pruning knives to continuously approach or move away from each other, thereby realizing the function of long-term branch cutting.

[0016] 2. In the utility model, the screw rod is driven to rotate in the threaded hole by the forward and reverse motor, so as to realize the flexible telescopic movement of the telescopic inner tube on the telescopic outer tube, thereby adjusting the length of the telescopic rod according to actual needs, which greatly improves the convenience of use for the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional diagram of a seedling planting and pruning tool provided by the utility model;

[0018] Figure 2 A schematic diagram of the cross-sectional structure of a seedling planting and pruning tool provided by the utility model;

[0019] Figure 3A seedling planting and pruning tool provided by the utility model Figure 2 Enlarged view of part A.

[0020] Legend:

[0021] 1. Equipment box; 2. Telescopic outer tube; 3. Telescopic inner tube; 4. Handle; 5. Knife groove; 6. Pruning knife; 7. Widening part; 8. First rotating shaft; 9. Cam groove; 10. Cam slider; 11. Sliding rod; 12. Slide groove; 13. Second rotating shaft; 14. Connecting rod; 15. Third rotating shaft; 16. Turntable; 17. Transmission rod; 18. Servo motor; 19. Forward and reverse motor; 20. Screw rod; 21. Threaded hole; 22. Limit block. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example

[0024] like Figure 1 , Figure 2 and Figure 3 As shown, the utility model provides a technical solution: a seedling planting pruning tool, including an equipment box 1, a servo motor 18 is fixed inside the equipment box 1, the output end of the servo motor 18 is connected to a transmission rod 17, a turntable 16 is provided at one end of the transmission rod 17 away from the servo motor 18, a third rotating shaft 15 is provided on the side of the turntable 16 away from the transmission rod 17, the third rotating shaft 15 is located at the outer edge of the turntable 16, and the end is rotatably connected to a connecting rod 14, the other end of the connecting rod 14 is rotatably connected to a second rotating shaft 13, the second rotating shaft 13 is connected to a sliding rod 11 away from one end of the connecting rod 14, the sliding rod 11 is slidably connected in a lower slide groove 12, a cam slider 10 is provided at one end of the sliding rod 11 away from the second rotating shaft 13, cams on both sides of the bottom of the cam slider 10 slide in cam grooves 9 opened at the tail ends of two pruning knives 6, the two pruning knives 6 are arranged oppositely, and are rotatably connected to a first rotating shaft 8 near the cam groove 9, and the two first rotating shafts 8 are arranged on the bottom surface of the equipment box 1.

[0025] In this embodiment, the transmission rod 17 is driven to rotate by the servo motor 18, and the transmission rod 17 drives the turntable 16 to rotate synchronously. A third rotating shaft 15 is provided on the outer edge of the turntable 16, and the rotating shaft is connected to the connecting rod 14. The other end of the connecting rod 14 is connected to the second rotating shaft 13, and the second rotating shaft 13 is fixed on the sliding rod 11. The sliding rod 11 slides freely in the sliding groove 12, thereby forming a crankshaft connecting rod movement, so that the sliding rod 11 can achieve continuous reciprocating motion in the sliding groove 12. In addition, the sliding rod 11 is connected to the cam slider 10, and the two cams on the slider are respectively embedded in the cam grooves 9 on both sides. Therefore, when the cam slider 10 reciprocates, it can drive the two pruning knives 6 to continuously approach or move away from each other, thereby realizing the function of long-term branch cutting. This design avoids the long-term forward and reverse rotation of the servo motor 18, thereby extending the service life of the servo motor 18 and improving the reliability of the equipment.

[0026] A widened portion 7 is provided at the handle at the tail of the trimming knife 6 , a cam groove 9 is provided at the widened portion 7 of the trimming knife 6 , and a knife groove 5 is provided on the outer shell of the equipment box 1 on one side close to the two trimming knives 6 .

[0027] In this embodiment, the knife groove 5 reserves enough working space for the trimming knife 6 .

[0028] The end of the equipment box 1 away from the pruning knife 6 is connected to the telescopic rod, the telescopic rod includes a telescopic outer tube 2 and a telescopic inner tube 3, the telescopic inner tube 3 is slidably connected inside the telescopic outer tube 2, the telescopic inner tube 3 is connected to the equipment box 1, a forward and reverse motor 19 is installed on the bottom surface of the inner part of the telescopic outer tube 2, the output end of the forward and reverse motor 19 is connected to the screw rod 20, and a threaded hole 21 is correspondingly opened at one end of the telescopic inner tube 3 close to the screw rod 20, and the threaded hole 21 passes through a threaded connection screw rod 20.

[0029] In this embodiment, the forward and reverse motor 19 drives the screw rod 20 to rotate in the threaded hole 21, thereby realizing the flexible telescopic movement of the telescopic inner tube 3 on the telescopic outer tube 2, thereby adjusting the length of the telescopic rod according to actual needs, greatly improving the convenience of use for staff.

[0030] A limit block 22 is provided above the forward and reverse motor 19 , and a handle 4 is provided at one end of the telescopic outer tube 2 away from the equipment box 1 .

[0031] In this embodiment, the limit block 22 can prevent the telescopic inner tube 3 from squeezing the forward and reverse motor 19, thereby playing a protective role. The handle 4 makes it convenient for workers to carry and use the telescopic rod.

[0032] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A seedling planting and pruning tool, comprising an equipment box (1), characterized in that: A servo motor (18) is fixed inside the equipment box (1), and the output end of the servo motor (18) is connected to a transmission rod (17). A turntable (16) is provided at one end of the transmission rod (17) away from the servo motor (18). A third rotating shaft (15) is provided at one side of the turntable (16) away from the transmission rod (17). The third rotating shaft (15) is located at an outer edge of the turntable (16), and the end thereof is rotatably connected to a connecting rod (14). The other end of the connecting rod (14) is rotatably connected to a second rotating shaft (13). The second rotating shaft (13) is away from the connecting rod (14). One end of the rod (14) is connected to a sliding rod (11), and the sliding rod (11) is slidably connected in a lower sliding groove (12). A cam slider (10) is provided at one end of the sliding rod (11) away from the second rotating shaft (13). The cams on both sides of the bottom of the cam slider (10) slide in cam grooves (9) opened at the tails of two trimming knives (6). The two trimming knives (6) are arranged opposite to each other and are rotatably connected to a first rotating shaft (8) near the cam groove (9). The two first rotating shafts (8) are arranged on the bottom surface of the equipment box (1).

2. A seedling planting and pruning tool according to claim 1, characterized in that: A widened portion (7) is provided at the handle at the rear of the pruning knife (6), and the cam groove (9) is arranged in the widened portion (7) of the pruning knife (6).

3. A seedling planting and pruning tool according to claim 1, characterized in that: A knife groove (5) is provided on the outer shell of the equipment box (1) on one side close to the two trimming knives (6).

4. A seedling planting and pruning tool according to claim 1, characterized in that: The end of the equipment box (1) away from the pruning knife (6) is connected to a telescopic rod, the telescopic rod comprises a telescopic outer tube (2) and a telescopic inner tube (3), the telescopic inner tube (3) is slidably connected inside the telescopic outer tube (2), and the telescopic inner tube (3) is connected to the equipment box (1).

5. A seedling planting and pruning tool according to claim 4, characterized in that: A forward and reverse motor (19) is installed on the inner bottom surface of the telescopic outer tube (2), and the output end of the forward and reverse motor (19) is connected to a screw rod (20).

6. A seedling planting and pruning tool according to claim 4, characterized in that: A threaded hole (21) is correspondingly provided at one end of the telescopic inner tube (3) close to the screw rod (20), and a threaded connection screw rod (20) passes through the threaded hole (21).

7. A seedling planting and pruning tool according to claim 5, characterized in that: A limit block (22) is provided above the forward and reverse motor (19).

8. The seedling planting and pruning tool according to claim 4, characterized in that: The telescopic outer tube (2) is provided with a handle (4) at one end away from the equipment box (1).

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