Laser emitting device for laser weeding robot

Abstract

The utility model relates to the field of agricultural machinery, in particular to a laser emitting device for a laser weeding robot. Which comprises a cooling fin mounting base and a lens mounting base, and is characterized in that the cooling fin mounting base is of a frame-shaped structure, openings are formed in the X-axis direction and the top of the cooling fin mounting base, first adapter shafts are embedded in the Y-axis direction of the cooling fin mounting base respectively, and the first adapter shafts are connected with a first servo motor; the radiating fin mounting base is connected with a first adapter plate and a second adapter plate in the X-axis direction, a second adapter shaft is embedded in the second adapter plate, and the second adapter shaft is connected with a second servo motor; the connecting line intersection point of the output end of the first servo motor and the output end of the second servo motor coincides with the gravity center of the cooling fin mounting base. According to the utility model, the first rotary connecting rod can drive the laser generator to rotate around the X axis under the driving of the second servo motor, the second rotary connecting rod can rotate around the Y axis under the driving of the first servo motor, and the intersection point of the extension lines of the output ends of the first servo motor and the second servo motor coincides with the gravity centers of the laser generating device and the radiator.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural machinery field especially relates to a laser emission device for laser weeding robot. BACKGROUND

[0002] In the field of agricultural planting, weeding is an inevitable process. The traditional weeding usually adopts the cultivation weeding and the chemical weeding agent, the former refers to the weeds growing in the crop field are prevented and removed in time through manual cultivation and mechanical cultivation, but the seedling is destroyed and the human resources are greatly consumed, and the latter removes weeds by spraying weeding agent, and the chemical reagent used pollutes the soil. In view of the defects of the above two weeding methods, the current new generation of weeding method mainly uses laser weeding, accurately identifies weeds and crops through high-speed photography and artificial intelligence technology, and uses laser to irradiate weeds to make the water on the leaf surface evaporate rapidly, thereby achieving the weeding effect.

[0003] The prior art CN202422604971.9 discloses a laser head for a laser weeding robot, and the output ends of the two servo motors are eccentric, which causes the waste of the output power of the servo motor during the rotation of the laser head. SUMMARY

[0004] In view of the deficiencies of the prior art, the purpose of the utility model is to provide a laser emission device for a laser weeding robot, which has a heat dissipation element, so that the laser emission device can be used for a long time, thereby improving the laser weeding efficiency.

[0005] To solve the above technical problems, a laser emission device for a laser weeding robot is designed, which comprises a heat sink mounting base and a lens mounting base, characterized in that: the heat sink mounting base is in a frame structure and is provided with an opening in the X-axis direction and the top, and the heat sink mounting seat is embedded with a first adapter shaft in the Y-axis direction, and the first adapter shaft is connected with a first servo motor; the heat sink mounting base is connected with a first adapter plate and a second adapter plate in the X-axis direction, the second adapter plate is embedded with a second adapter shaft, and the second adapter shaft is connected with a second servo motor; and the output ends of the first servo motor and the second servo motor are connected with the gravity center of the heat sink mounting base.

[0006] The heat sink mounting seat is provided with a motor mounting bracket, the motor mounting bracket is in an L shape, and the L-shaped motor mounting bracket is arranged in the X-axis direction and the Y-axis direction of the heat sink mounting seat.

[0007] The first adapter shaft passes through the motor mounting bracket and is connected with a first bearing seat, and is fixed on the heat sink mounting base through the first bearing seat; and the second adapter shaft passes through the motor mounting bracket from the outside to the inside and is fixed on the second adapter plate.

[0008] The heat dissipation fin mounting base is provided with heat dissipation fins, the lower portion of the heat dissipation fin mounting base is provided with a lens mounting base, the lower portion of the lens mounting base is provided with a plano-convex lens, the middle portion of the lens mounting base is provided with a circular hole, a laser generator is arranged in the circular hole of the lens mounting base, and the top of the laser generator is fixed to the lower portion of the heat dissipation fin mounting base.

[0009] The heat dissipation fin mounting base is provided with a second bearing seat on the opposite side of the first bearing seat, the first bearing seat and the second bearing seat are detachably connected with the second adapter plate, and the heat dissipation fin mounting base is detachably connected with the second adapter plate through the first bearing seat, the second bearing seat and the second adapter plate.

[0010] The outer side of the first adapter plate is provided with a first rotary connecting rod, the outer side of the heat dissipation fin mounting base in the Y-axis direction and in the same direction as the first servo motor is provided with a second rotary connecting rod, the first rotary connecting rod and the second rotary connecting rod are L-shaped, the two ends of the L-shaped first rotary connecting rod and the second rotary connecting rod are respectively provided with circular holes, the circular hole at one end of the first rotary connecting rod is rotatably connected with the first adapter plate through an adapter plate rotating shaft, and the circular hole at one end of the second rotary connecting rod is rotatably connected with the first adapter shaft and is sleeved between the heat dissipation fin mounting base and the motor mounting support.

[0011] The output end of the first servo motor is connected with a first speed reducer, the output end of the second servo motor is connected with a second speed reducer, and the first speed reducer and the second speed reducer are respectively connected with the first adapter shaft and the second adapter shaft through a deep groove ball bearing.

[0012] According to the utility model, the laser emitting device is additionally provided with a heat dissipation fan, the use time of the laser emitting device is further prolonged, and the laser weeding efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structure schematic diagram of the utility model.

[0014] Figure 2 It is the explosion drawing of the utility model.

[0015] Figure 3 It is the top view of the utility model.

[0016] In this designation, 1 is the first servo motor, 2 is the second servo motor, 3 is the first reducer, 4 is the second reducer, 5 is the first adapter shaft, 6 is the deep groove ball bearing, 7 is the first bearing housing, 8 is the first rotating link, 9 is the second rotating link, 10 is the cooling fan, 11 is the heat sink, 12 is the laser generator, 13 is the plano-convex lens, 14 is the lens mounting base, 15 is the motor mounting bracket, 16 is the heat sink mounting base, 17 is the second bearing housing, 18 is the first adapter plate, 19 is the second adapter plate, 20 is the second adapter shaft, 21 is the third adapter shaft, and 22 is the adapter plate shaft. Detailed Implementation

[0017] Below, in conjunction with Figures 1-3 The laser emitting device for the laser weeding robot according to the present invention will be described, wherein, Figure 1 A laser emitting device for a laser weeding robot includes a heat sink mounting base and a lens mounting base. The heat sink mounting base 16 has a frame-like structure with openings in the X-axis direction and at the top. A first adapter shaft 5 is embedded in the heat sink mounting base 16 along the Y-axis direction, and the first adapter shaft 5 is connected to a first servo motor 1. A first adapter plate 18 and a second adapter plate 19 are connected to the heat sink mounting base 16 along the X-axis direction. A second adapter shaft 20 is embedded in the second adapter plate 19, and the second adapter shaft 20 is connected to a second servo motor 2. The intersection of the lines connecting the output ends of the first servo motor 1 and the second servo motor 2 coincides with the center of gravity of the heat sink mounting base 16.

[0018] In this way, the problem of the center of gravity being off-center between the servo motor and the laser generator 12, heat sink 11, and cooling fan 10 in the existing technology can be solved, reducing the output power of the servo motor and making it more energy-efficient.

[0019] The heat sink mounting base 16 is provided with a motor mounting bracket 15. The motor mounting bracket 15 is L-shaped and is respectively located in the X-axis direction and Y-axis direction of the heat sink mounting base 16.

[0020] The first adapter shaft 5 passes through the motor mounting bracket 15 and connects to the first bearing seat 7, and is fixed to the heat sink mounting base 16 through the first bearing seat 7; the second adapter shaft 20 passes through the motor mounting bracket 15 from the outside to the inside and is fixed to the second adapter plate 19.

[0021] The fin mounting base 16 is provided with a fin 11, the lower side of the fin mounting base 16 is provided with a lens mounting base 14, the lower side of the lens mounting base 14 is provided with a plano-convex lens 13, the middle of the lens mounting base 14 is provided with a round hole, the laser generator 12 is arranged in the round hole of the lens mounting base 14, and the top of the laser generator 12 is fixed to the lower side of the fin mounting base 16; the upper side of the fin 11 is provided with a cooling fan 10.

[0022] Therefore, the cooling fan 10 is arranged on the fin 11, the heat dissipation efficiency is improved, the laser generator 12 can work for a longer time, and the weeding efficiency is improved.

[0023] The second bearing seat 17 is arranged on the fin mounting base 16 opposite to the first bearing seat 7, the first bearing seat 7 and the second bearing seat 17 are detachably connected with the second adapter plate 19, and the fin mounting base 14 is detachably connected with the second adapter plate 19 through the first bearing seat 7 and the second bearing seat 17.

[0024] Therefore, in the production and assembly process, the fin 11, the cooling fan 10 and the like are arranged on the second adapter plate 19 in cooperation with the fin mounting base 16, then the first bearing seat 7 and the second bearing seat 17 are arranged on the hole positions of the fin mounting base 16, and the first bearing seat 7 and the second bearing seat 17 are fixedly connected with the second adapter plate 19 through screws, so that the laser generator 12 is closely connected with the first rotating connecting rod 8 and the second rotating connecting rod 9, the first rotating connecting rod 8 and the second rotating connecting rod 9 are driven to rotate by the servo motor, and the stability of the laser generator 12 in rotation is maintained.

[0025] The first rotating connecting rod 8 is arranged on the outer side of the first adapter plate 18, the second rotating connecting rod 9 is arranged on the outer side of the fin mounting base 16 in the same direction as the first servo motor 1, the first rotating connecting rod 8 and the second rotating connecting rod 9 are in L shape, the two ends of the L shape of the first rotating connecting rod 8 and the second rotating connecting rod 9 are respectively provided with round holes, the round hole at one end of the first rotating connecting rod 8 is rotatably connected with the first adapter plate 18 through the adapter plate rotating shaft 22, one end of the second rotating connecting rod 9 is sleeved between the fin mounting base 16 and the motor mounting bracket 15 and is rotatably connected with the first adapter shaft 5, and the round holes at the other ends of the first rotating connecting rod 8 and the second rotating connecting rod 9 are coincided and rotatably connected through the third adapter shaft 21.

[0026] The output end of the first servo motor 1 is connected with the first speed reducer 3, the output end of the second servo motor 2 is connected with the second speed reducer 4, and the first speed reducer 3 and the second speed reducer 4 are respectively connected with the first adapter shaft 5 and the second adapter shaft 20 through a deep groove ball bearing 6.

[0027] The utility model has been described above in connection with the drawings, and obviously, the specific implementation of the utility model is not limited by the above-mentioned embodiments.

[0028] The utility model uses, first rotary connecting rod can drive laser generator around X axis rotation under the drive of second servo motor, second rotary connecting rod can rotate around Y axis under the drive of first servo motor, and the intersection of first servo motor and second servo motor output extension line and the gravity center of laser generating device, radiator coincide, avoid the waste servo motor output power situation caused by eccentric problem in prior art, and multidirectional rotation can greatly improve the flexibility of laser generator. Increase the cooling fan 10 simultaneously, improve the heat dissipation effect of laser generator 12, improve the use time and work efficiency of laser generator 12.

[0029] It should be understood that the utility model can freely combine each part in the embodiments or appropriately deform or omit each part in the embodiments within the scope of the utility model.

Claims

1. A laser emission device for a laser weeding robot, comprising a heat sink mounting base, a lens mounting base, characterized by: The fin mounting base (16) is in a frame structure and is provided with an opening in the X-axis direction and the top, and the fin mounting base (16) is respectively embedded with a first adapter shaft (5) in the Y-axis direction, and the first adapter shaft (5) is connected with a first servo motor (1).

2. The laser emission device for a laser weeding robot according to claim 1, characterized by: The fin mounting base (16) is provided with a motor mounting bracket (15), and the motor mounting bracket (15) is in an L shape and is arranged in the X-axis direction and the Y-axis direction of the fin mounting base (16).

3. The laser emission device for a laser weeding robot according to claim 2, characterized by: The first adapter shaft (5) passes through the motor mounting bracket (15) and is connected with a first bearing seat (7), and is fixed on the fin mounting base (16) through the first bearing seat (7); the second adapter shaft (20) passes through the motor mounting bracket (15) from outside to inside and is fixed on the second adapter plate (19).

4. The laser emission device for a laser weeding robot according to claim 1, characterized by: The fin mounting base (16) is provided with a fin (11), and the fin mounting base (16) is provided with a lens mounting base (14) below, the lens mounting base (14) is provided with a plano-convex lens (13) below, the middle part of the lens mounting base (14) is provided with a circular hole, the laser generator (12) is arranged in the circular hole of the lens mounting base (14), and the top of the laser generator (12) is fixed below the fin mounting base (16); the fin (11) is provided with a cooling fan (10) above.

5. The laser emission device for a laser weeding robot according to claim 3, characterized by: The fin mounting base (16) is provided with a second bearing seat (17) opposite to the first bearing seat (7), the first bearing seat (7) and the second bearing seat (17) are detachably connected with the second adapter plate (19), and the fin mounting base (16) is detachably connected with the second adapter plate (19) through the first bearing seat (7) and the second bearing seat (17).

6. The laser emission device for a laser weeding robot according to claim 5, characterized by: The outer side of the first adapter plate (18) is provided with a first rotary connecting rod (8), the outer side of the fin mounting base (16) in the Y-axis direction and in the same direction as the first servo motor (1) is provided with a second rotary connecting rod (9), the first rotary connecting rod (8) and the second rotary connecting rod (9) are in an L shape, the two ends of the L-shaped first rotary connecting rod (8) and the second rotary connecting rod (9) are respectively provided with circular holes, the circular hole at one end of the first rotary connecting rod (8) is rotatably connected with the first adapter plate (18) through an adapter plate rotating shaft (22), one end of the second rotary connecting rod (9) is sleeved between the fin mounting base (16) and the motor mounting bracket (15) and is rotatably connected with the first adapter shaft (5); the circular hole at the other end of the first rotary connecting rod (8) and the circular hole at the other end of the second rotary connecting rod (9) are coincided and rotatably connected through a third adapter shaft (21).

7. The laser emission device for a laser weeding robot according to claim 1, characterized by: The output end of the first servo motor (1) is connected with a first speed reducer (3), the output end of the second servo motor (2) is connected with a second speed reducer (4), and the first speed reducer (3) and the second speed reducer (4) are respectively connected with a first adapter shaft (5) and a second adapter shaft (20) through a deep groove ball bearing (6).

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