CN216701435U - Mechanical claw for uprooting and weeding - Google Patents

Abstract

The utility model discloses a mechanical claw for uprooting and weeding, which comprises a fixed base, a first pin shaft, a connecting shaft, a pin shaft seat, a second pin shaft, a connecting rod, a pushing disc and N claw teeth, wherein the fixed base is fixedly arranged on the fixed base; claw tooth appearance is similar with right angled triangle, N fixed rotation seats are fixed along the equidistance in circumferencial direction in unable adjustment base bottom, the short right-angle limit acute angle end of claw tooth is fixed on rotating the seat through first round pin axle, the longer right-angle limit of claw tooth is drawn close to the unable adjustment base center pin, be close to claw tooth right angle department and set up the guide way of two right-angle limits slopes earlier on, it is equipped with N to the fixed ear to sell the axle bed, the claw tooth is arranged in between a pair of fixed ear, second round pin axle passes fixed ear and fixed and second round pin axle of guide way reciprocates along the guide way, it is connected with the promotion dish through the connecting rod to sell the axle bed lower part, set up N on the promotion dish edge and hold the storage tank of corresponding claw tooth, sell axle bed upper portion and connect on the connecting axle, be connected with external drive equipment through the connecting axle. The weed killer is simple in structure and convenient to use, and can effectively eradicate weeds.

Description

Mechanical claw for uprooting and weeding

The technical field is as follows:

the utility model belongs to the technical field of mechanical claws, and particularly relates to a mechanical claw for uprooting and weeding.

Background art:

with the development and progress of society, the requirements of people on ecological protection and green pollution-free are higher and higher, but in order to eliminate weeds and invade plants, pesticides are often the most effective mode, people are not prone to selecting a physical weeding mode, one reason is that the weeds cannot be eradicated, and the treatment effect is not obvious. There are three physical weeding methods: firstly, the most traditional way is to pull out the part by bare hands; secondly, the grass roots are turned to the ground surface by turning the soil with a rotary blade or a similar tool; thirdly, the electric mower is used for mowing weeds or invasive plants by utilizing the blades rotating at high speed.

The mechanical claw as a hand of automatic equipment can replace heavy labor of people to realize mechanization and automation of production, can be operated in a harmful environment to ensure personal safety, and is an important component of industrial automatic production. The application designs a extirpator weeding gripper, combines gripper and current manipulator, effectively gets rid of weeds automatically.

The utility model has the following contents:

the utility model aims to provide a mechanical claw which is simple in structure and flexible to operate, is matched with an existing mechanical hand to complete grabbing and other works.

In order to achieve the purpose, the uprooting and weeding mechanical claw comprises a fixed base, a first pin shaft, a connecting shaft, a pin shaft seat, a second pin shaft, a connecting rod, a pushing disc and N claw teeth; the claw tooth appearance is similar with right angled triangle, N fixed base bottom is along the equidistant fixed N rotation seat of circumferencial direction, N more than or equal to three, the short right-angle side acute angle end of claw tooth is fixed on rotating the seat through first round pin axle, the longer right-angle side of claw tooth draws close to the fixed base center pin, be close to claw tooth right angle department and set up the guide way of two right-angle side slopes earlier on, it is equipped with N to fixed ear to sell the axle bed, the claw tooth is arranged a pair of fixed ear middlely in, second round pin axle passes fixed ear and fixed and second round pin axle of guide way reciprocates along the guide way, round pin axle bed lower part is connected with the promotion dish through the connecting rod, set up N on the promotion dish limit and hold the storage tank of corresponding claw tooth, round pin axle bed upper portion is connected on the connecting axle, be connected with external drive equipment through the connecting axle.

Preferably, the number of the claw teeth is three, four, five or six, and the rotating seat, the fixing lug and the accommodating groove correspond to the claw teeth one to one.

Specifically, when one connecting rod is used, the upper end and the lower end of the connecting rod are respectively connected with the pin shaft seat and the center of the pushing disc; when a plurality of connecting rods are arranged, each connecting rod is arranged between two adjacent claw teeth to connect the pin shaft seat with the pushing disc.

Specifically, the pin shaft seat comprises a fixing part and fixing lugs, wherein the fixing lugs are fixed on the periphery of the fixing part at equal intervals, and a slot for accommodating the claw teeth is formed between each pair of the fixing lugs.

Specifically, the fixing parts and the fixing lugs are integrally formed, and the adjacent fixing lugs are connected in an arc shape to form a butterfly-shaped structure.

Specifically, one side of the long right-angle edge of the claw tooth is a knife edge part.

Compared with the prior art, the utility model has the following beneficial effects: the connecting shaft moves up and down to open and close the claw teeth, weeds are pulled up together with the root, the push disc moves up and down along with the connecting shaft, and the weeds staying between the claw teeth are effectively pushed out.

Description of the drawings:

fig. 1 is a schematic structural view of the uprooting and weeding gripper according to embodiment 1.

Fig. 2 is a view showing an opened state of the claw teeth of the uprooting weeding robot according to embodiment 1.

Fig. 3 is a view showing a state in which the claw teeth of the uprooting weeding robot according to embodiment 1 are closed.

Fig. 4 is a structural view of the pin boss according to embodiment 1.

Fig. 5 is a claw tooth structure according to embodiment 1.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Example 1:

as shown in fig. 1-3, the uprooting and weeding gripper according to this embodiment includes a fixed base 1, a first pin shaft 2, a connecting shaft 3, a pin shaft seat 4, a second pin shaft 5, a connecting rod 6, a pushing plate 7, and N gripper teeth 8; the shape of the claw tooth 8 is similar to that of a right triangle and comprises two right-angle sides and a bevel side which are mutually vertical, N rotating seats 9 are fixed at the bottom of the fixed base 1 at equal intervals along the circumferential direction, each rotating seat 9 is positioned on a circle which takes the center of the fixed base 1 as the center of the circle, N is more than or equal to three, the acute angle end of the shorter right-angle side of the claw tooth 8 is fixed on the rotating seat 9 through a first pin shaft 2, the longer right-angle side of the claw tooth 8 draws close to the central shaft of the fixed base 1, a guide groove 10 which inclines to the two right-angle sides is arranged at the position close to the right angle of the claw tooth 8, N pairs of fixing lugs 11 are arranged on the pin shaft seat 4, the claw tooth 8 is arranged between the pair of fixing lugs 11, a second pin shaft 5 penetrates through the fixing lugs 11 and the guide groove 10 to connect the claw tooth 8 with the pin shaft seat 4, the second pin shaft 5 moves up and down along the guide groove, the lower part of the pin shaft seat 4 is connected with the push disc 7 through a connecting rod 6, N containing grooves which equally divide the claw tooth are arranged on the push disc 7 side, used for accommodating corresponding claw teeth 8, the upper part of the pin shaft seat 4 is connected on the connecting shaft 3 and is connected with external driving equipment (such as a disc motor and a cylindrical motor) through the connecting shaft 3. The external driving device drives the connecting shaft 3 to move up and down, and then drives the second pin shaft 5 to move up and down along the guide groove, so that the four claw teeth 8 are changed from opening to closing. The fixed base 1 is used for being connected with a mechanical arm.

Preferably, the number of claws 8 is three, four, five, six, etc. The rotating seat 9, the fixing lug and the accommodating groove correspond to the claw teeth 8 one by one.

Specifically, when one connecting rod 6 is provided, the upper end and the lower end of the connecting rod 6 are respectively connected with the centers of the pin shaft seat 4 and the pushing disc 7; when the number of the connecting rods is N, each connecting rod is arranged between two adjacent claw teeth 8 to connect the pin shaft seat 4 with the pushing disc 7.

Specifically, the pin shaft base 4 includes a fixing portion 12 and fixing lugs 11, the fixing lugs 11 are fixed at equal intervals around the fixing portion, and a slot for accommodating the pawl tooth 8 is formed between each pair of fixing lugs. The fixing part can be in any shape, such as round or square, and the fixing part and the fixing lug can be integrally formed. In order to improve the aesthetic appearance of the device, the adjacent fixing lugs are connected in an arc shape to form a butterfly-shaped structure, as shown in figure 4.

Specifically, as shown in fig. 5, the long right-angle side of the claw teeth 8 is provided with a blade part 13, so that the resistance in the clamping process after the claw teeth are inserted into the soil is reduced, and the thinner the blade part is, the smaller the resistance is.

As shown in fig. 2 and 3, the uprooting and weeding gripper according to the embodiment specifically uses: the connecting shaft 3 is pushed downwards, the second pin shaft 5 moves downwards along the guide groove, the tail ends of the claw teeth 8 rotate outwards around the first pin shaft 2, the four claw teeth 8 are opened, the weeding mechanical claw for uprooting roots is inserted into the soil with weeds, the connecting shaft 3 is pulled upwards, the second pin shaft 5 moves upwards along the guide groove, the tail ends of the claw teeth 8 rotate inwards around the first pin shaft 2, the four claw teeth 8 are closed and clamp the roots of the weeds, the weeding mechanical claw for uprooting roots is integrally pulled out of the soil by matching with the mechanical arm, the connecting shaft 3 is pushed downwards, the four claw teeth 8 are opened, and the push disc 7 pushes out the weeds.

Claims (6)

1. A mechanical claw for uprooting and weeding is characterized by comprising a fixed base, a first pin shaft, a connecting shaft, a pin shaft seat, a second pin shaft, a connecting rod, a pushing disc and N claw teeth; the claw tooth appearance is similar with right angled triangle, N fixed base bottom is along the equidistant fixed N rotation seat of circumferencial direction, N more than or equal to three, the short right-angle side acute angle end of claw tooth is fixed on rotating the seat through first round pin axle, the longer right-angle side of claw tooth draws close to the fixed base center pin, be close to claw tooth right angle department and set up the guide way of two right-angle side slopes earlier on, it is equipped with N to fixed ear to sell the axle bed, the claw tooth is arranged a pair of fixed ear middlely in, second round pin axle passes fixed ear and fixed and second round pin axle of guide way reciprocates along the guide way, round pin axle bed lower part is connected with the promotion dish through the connecting rod, set up N on the promotion dish limit and hold the storage tank of corresponding claw tooth, round pin axle bed upper portion is connected on the connecting axle, be connected with external drive equipment through the connecting axle.

2. The uprooting and weeding gripper as claimed in claim 1, wherein the number of the gripper teeth is three, four, five or six, and the rotating seat, the fixing lug and the receiving groove correspond to the gripper teeth one to one.

3. The uprooting and weeding gripper as claimed in claim 1, wherein when there is one connecting rod, the upper and lower ends of the connecting rod are respectively connected to the pin shaft seat and the center of the pushing plate; when a plurality of connecting rods are arranged, each connecting rod is arranged between two adjacent claw teeth to connect the pin shaft seat with the pushing disc.

4. The uprooting herbicidal gripper as claimed in claim 1, wherein said pin shaft seat includes a fixed portion and fixed lugs, said fixed lugs being fixed at equal intervals around the periphery of said fixed portion, each pair of said fixed lugs defining a slot therebetween for receiving said claw teeth.

5. The uprooting weeding gripper as claimed in claim 1, wherein the fixing portion is integrally formed with the fixing lugs, and adjacent fixing lugs are connected in an arc shape to form a butterfly-shaped structure.

6. The uprooting weeding gripper as claimed in claim 1, wherein the blade portion is formed on the long right-angle side of the gripper teeth.

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