CN221248888U

CN221248888U - Mechanical arm

Info

Publication number: CN221248888U
Application number: CN202322966076.7U
Authority: CN
Inventors: 许佳俊; 丁超凡; 任年杰; 周家廷
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-11-03
Filing date: 2023-11-03
Publication date: 2024-07-02
Anticipated expiration: 2033-11-03

Abstract

The utility model relates to the technical field of mechanical manufacturing, and discloses a mechanical arm, which comprises a fixed column, wherein the surface of the fixed column is fixedly connected with a cabin, a first servo motor is installed in the cabin, the output end of the first servo motor is in spline connection with a first transmission rod, one end of the first transmission rod penetrates through the fixed column and is fixedly connected with a guide rod, the surface of the guide rod is rotationally connected with a movable block, and one side of the movable block is fixedly connected with a rectangular plate. This arm, through the fixed column, first servo motor, first transfer line, the fixed column, the guide arm, the movable block, the cylinder, the second hydraulic stem, the cover box, the base, second servo motor, the second transfer line, the third hydraulic stem, setting of spacing stick and protruding piece, this device can 360 degrees rotations, open second servo motor and make the second transfer line drive the cover box and rotate in the inside of base, open first servo motor, make its first transfer line drive the guide arm and rotate.

Description

Mechanical arm

Technical Field

The utility model relates to the technical field of mechanical manufacturing, in particular to a mechanical arm.

Background

The large-scale part is mainly cast aluminum or aluminum alloy, is heavy, can be applicable to the mechanical arm and carry on it, puts the part on processing platform or the anchor clamps, conveniently carries out the processing to the part.

Wherein chinese patent (CN 207914830U) discloses a mechanical arm for manufacturing based on one kind, including the plummer, the lower extreme four corners of plummer all is equipped with damping device, upper end one side of plummer is equipped with the guard box, one side of guard box is equipped with the conveyer belt, and the conveyer belt is located the plummer, the guard box is equipped with places the chamber, the bottom of placing the intracavity is fixed with the fixed block, the upper end four corners of fixed block all is fixed with the lead screw, the upper end of lead screw is fixed with the plummer jointly, the upper end of plummer is fixed on the one end lateral wall of placing the intracavity, the bottom of plummer is fixed with drive arrangement, drive arrangement's output shaft end is fixed with the screw rod, the lower extreme rotation of screw rod is connected on the fixed block. The utility model realizes the automatic contraction and protection treatment of the welding manipulator, improves the protection performance and stability of the welding manipulator, prolongs the service life, ensures the stability of the manipulator and is suitable for popularization.

At present, the mechanical arm on the market has the same disadvantages as the above-mentioned comparison document: when clamping parts with different specifications, the mechanical arm is difficult to adjust the angle to clamp, and the parts are required to be manually carried, so that the labor capacity of staff is easily increased, and the mechanical arm is easy to fall off when clamping the parts, so that the parts fall to cause damage;

For this purpose we have devised a robotic arm.

Disclosure of utility model

(One) solving the technical problems

The utility model solves the technical problems that the mechanical arm is high in practicability, simple in structure and capable of being operated simply, and the mechanical arm is difficult to clamp by adjusting the angle and easy to fall off when clamping parts.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a mechanical arm, includes the fixed column, the fixed column's fixed surface is connected with the cabin, the internally mounted in cabin has first servo motor, the output spline connection of first servo motor has first transfer line, the one end of first transfer line runs through fixed column fixedly connected with guide arm, the surface rotation of guide arm is connected with the movable block, one side fixedly connected with rectangular plate of movable block, one side fixedly connected with first hydraulic stem of rectangular plate, the one end fixedly connected with connecting block of first hydraulic stem, the surface of connecting block runs through rectangular plate fixedly connected with first T template, one side fixedly connected with first rack of first T template, first rack meshing has the gear, the surface fixedly connected with round bar of gear, the round bar rotates and is connected with the rectangular plate, gear meshing has the second rack.

Optionally, one side fixedly connected with second T template of second rack, the equal fixedly connected with stopper in one side of second T template and first T template, stopper can assist first T template and second T template to slide at the surface of rectangular plate, the surface sliding connection of stopper has the rectangular plate.

Optionally, rectangular grooves have been seted up on the surface of first T template and second T template, the inside fixedly connected with a plurality of sleeve in rectangular groove, telescopic inside sliding connection has the movable rod, the one end fixedly connected with spring of movable rod, the buffer rod that is used for buffering has been cup jointed to the inside of spring, and the buffer rod prevents that the spring from being extrudeed serious deformation to lead to the effect that can not reset.

Optionally, the bottom fixedly connected with cylinder of fixed column, the interior roof fixedly connected with second hydraulic stem of cylinder, second hydraulic stem can prop the cylinder, makes the fixed column rise or descend, the fixed adapter sleeve box of one end of second hydraulic stem, the surface sliding connection of cylinder has the cover box.

Optionally, the surface sliding connection of cover box has the base, the internally mounted of base has the second servo motor, the output spline connection of second servo motor has the second transfer line, the one end fixedly connected with cover box of second transfer line, the cover box rotates in the inside of base, can realize 360 degrees rotations of this device.

Optionally, the bottom fixedly connected with third hydraulic stem of guide arm, the one end fixedly connected with spacing stick of third hydraulic stem, the surface rotation of spacing stick is connected with protruding piece, and protruding piece can be promoted by the third hydraulic stem to drive the one end of movable block and rotate, the top fixedly connected with movable block of protruding piece.

(III) beneficial effects

The utility model provides a mechanical arm, which has the following beneficial effects:

1. This arm, through the fixed column, a servo motor, a drive rod, the fixed column, the guide arm, the movable block, the cylinder, the second hydraulic stem, the cover box, the base, a servo motor, the second drive rod, the third hydraulic stem, spacing stick and the setting of protruding piece, this device can 360 degrees rotations, open the second servo motor and make the second drive rod drive the cover box rotate in the inside of base, open a servo motor, make its first drive rod drive the guide arm rotate, adjust the angle of guide arm from this, first open the third hydraulic stem make it promote spacing stick and rotate in protruding piece, the one end that promotes the movable block simultaneously carries out slight activity, the type that can be according to different specification parts is adjusted this device and is held, the suitability of this device has been improved.

2. This arm, through first hydraulic stem, the connecting block, first T template, first rack, the gear, the second rack, the second T template, the sleeve, movable rod and spring's setting, be close to first T template and second T template on the part that needs the centre gripping, open first hydraulic stem, make it promote connecting block and first T template motion, first rack drive gear rotation on first T template one side simultaneously, the gear drives second rack and second T template sexual motion, make first T template and second T template be close to each other, the movable rod can first contact part, along with first T template and second T template are close to each other, the movable rod slides in the sleeve, simultaneously the spring is being extruded, the movable rod at centre gripping part position is all by the extrusion back in the sleeve, the effect that drops of reduction centre gripping part has been played, the stability of this device centre gripping part has been increased.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a rectangular plate structure according to the present utility model;

FIG. 3 is a schematic view of a fixing column structure according to the present utility model;

FIG. 4 is a schematic view of the movable rod structure of the present utility model.

In the figure: 1. fixing the column; 2. a first servo motor; 3. a first transmission rod; 4. a guide rod; 5. a movable block; 6. a rectangular plate; 7. a first hydraulic lever; 8. a connecting block; 9. a first T-shaped plate; 10. a first rack; 11. a gear; 12. a second rack; 13. a second T-shaped plate; 14. a sleeve; 15. a movable rod; 16. a spring; 17. a cylinder; 18. a second hydraulic lever; 19. a sleeve; 20. a base; 21. a third hydraulic lever; 22. and (5) a protruding block.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the mechanical arm comprises a fixed column (1), wherein the surface of the fixed column 1 is fixedly connected with a cabin, a first servo motor 2 is arranged in the cabin, the output end of the first servo motor 2 is in spline connection with a first transmission rod 3, one end of the first transmission rod 3 penetrates through the fixed column 1 and is fixedly connected with a guide rod 4, the angle of the guide rod 4 is adjusted by the arrangement of the fixed column 1, the first servo motor 2, the first transmission rod 3, the fixed column 1, the guide rod 4, a movable block 5, a cylinder 17, a second hydraulic rod 18, a sleeve 19, a base 20, the second servo motor, the second transmission rod, a third hydraulic rod 21, a limiting rod and a protruding block 22, the device can rotate by 360 degrees, the second servo motor is opened to enable the second transmission rod to drive the sleeve 19 to rotate in the base 20, the first servo motor 2 is opened to enable the first transmission rod 3 to drive the guide rod 4 to rotate, and therefore the angle of the guide rod 4 is adjusted, the third hydraulic rod 21 is opened to enable the third hydraulic rod 21 to push the limiting rod to rotate in the protruding block 22, and meanwhile one end of the movable block 5 is pushed to slightly move, so that the device can be adjusted to clamp according to the types of parts with different specifications, the applicability of the device is improved, the movable block 5 is rotationally connected to the surface of the guide rod 4, the rectangular plate 6 is fixedly connected to one side of the movable block 5, the first hydraulic rod 7 is fixedly connected to one side of the rectangular plate 6, one end fixedly connected with connecting block 8 of first hydraulic stem 7, the surface of connecting block 8 runs through rectangular plate 6 fixedly connected with first T template 9, one side fixedly connected with first rack 10 of first T template 9, first rack 10 meshing has gear 11, the fixed surface of gear 11 is connected with the round bar, the round bar rotates and is connected with rectangular plate 6, gear 11 meshing has second rack 12, through first hydraulic stem 7, the connecting block 8, the first T-shaped plate 9, the first rack 10, the gear 11, the second rack 12, the second T-shaped plate 13, the sleeve 14, the movable rod 15 and the spring 16 are arranged, the first T-shaped plate 9 and the second T-shaped plate 13 are close to parts to be clamped, the first hydraulic rod 7 is opened to push the connecting block 8 and the first T-shaped plate 9 to move, meanwhile, the first rack 10 on one side of the first T-shaped plate 9 drives the gear 11 to rotate, the gear 11 drives the second rack 12 and the second T-shaped plate 13 to perform a memory movement, the first T-shaped plate 9 and the second T-shaped plate 13 are close to each other, the movable rod 15 can contact the parts, and as the first T-shaped plate 9 and the second T-shaped plate are close to each other, the movable rod 15 slides in the sleeve 14 and simultaneously presses the spring 16, so that the movable rod 15 at the part clamping part is pressed back into the sleeve 14, the effect of reducing the dropping of the clamping parts is achieved, and the stability of the part clamping device is increased;

One side of the second rack 12 is fixedly connected with a second T-shaped plate 13, one sides of the second T-shaped plate 13 and the first T-shaped plate 9 are fixedly connected with limiting blocks, the limiting blocks can assist the first T-shaped plate 9 and the second T-shaped plate 13 to slide on the surface of the rectangular plate 6, and the rectangular plate 6 is connected to the surface of the limiting blocks in a sliding mode;

Rectangular grooves are formed in the surfaces of the first T-shaped plate 9 and the second T-shaped plate 13, a plurality of sleeves 14 are fixedly connected to the inside of each rectangular groove, a movable rod 15 is connected to the inside of each sleeve 14 in a sliding mode, a spring 16 is fixedly connected to one end of each movable rod 15, a buffer rod used for buffering is sleeved in the spring 16, and the buffer rod prevents the spring 16 from being severely deformed due to extrusion, so that the effect of incapacity of resetting is caused;

The bottom of the fixed column 1 is fixedly connected with a cylinder 17, the inner top wall of the cylinder 17 is fixedly connected with a second hydraulic rod 18, the second hydraulic rod 18 can prop against the cylinder 17 to enable the fixed column 1 to ascend or descend, one end of the second hydraulic rod 18 is fixedly connected with a connecting sleeve box 19, and the surface of the cylinder 17 is connected with the sleeve box 19 in a sliding manner;

The surface of the sleeve box 19 is connected with a base 20 in a sliding manner, a second servo motor is installed in the base 20, the output end of the second servo motor is connected with a second transmission rod in a spline manner, one end of the second transmission rod is fixedly connected with the sleeve box 19, and the sleeve box 19 rotates in the base 20, so that 360-degree rotation of the device can be realized;

The bottom fixedly connected with third hydraulic stem 21 of guide arm 4, the one end fixedly connected with spacing stick of third hydraulic stem 21, the surface rotation of spacing stick is connected with protruding piece 22, protruding piece 22 can be promoted by third hydraulic stem 21 to drive the one end of movable block 5 to rotate, the top fixedly connected with movable block 5 of protruding piece 22.

In the utility model, the working steps of the device are as follows:

A first step of: the device can rotate by 360 degrees, the second servo motor is turned on to drive the sleeve box 19 to rotate in the base 20, the first servo motor 2 is turned on to drive the first transmission rod 3 to drive the guide rod 4 to rotate, so that the angle of the guide rod 4 is adjusted, the third hydraulic rod 21 is turned on to drive the limiting rod to rotate in the boss 22, and meanwhile one end of the movable block 5 is driven to slightly move, so that the device can be adjusted to clamp according to the types of parts with different specifications;

And a second step of: the first T-shaped plate 9 and the second T-shaped plate 13 are close to the part to be clamped, the first hydraulic rod 7 is opened, the connecting block 8 and the first T-shaped plate 9 are pushed to move, meanwhile, the first rack 10 on one side of the first T-shaped plate 9 drives the gear 11 to rotate, the gear 11 drives the second rack 12 and the second T-shaped plate 13 to perform a memory movement, the first T-shaped plate 9 and the second T-shaped plate 13 are close to each other, the movable rod 15 can be a first contact part, the movable rod 15 slides in the sleeve 14 along with the mutual approaching of the first T-shaped plate 9 and the second T-shaped plate, the spring 16 is extruded, and the movable rod 15 at the part to be clamped is extruded back into the sleeve 14.

It should be noted that, the device structure and the drawings of the present utility model mainly describe the principle of the present utility model, in terms of the technology of the design principle, the arrangement of the power mechanism, the power supply system, the control system, etc. of the device is not completely described, and on the premise that the person skilled in the art understands the principle of the present utility model, the specific details of the power mechanism, the power supply system and the control system can be clearly known, the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art;

The standard parts used in the method can be purchased from the market, and can be customized according to the description of the specification and the drawings, the specific connection modes of the parts are conventional means such as mature bolts, rivets and welding in the prior art, the machines, the parts and the equipment are conventional models in the prior art, and the structures and the principles of the parts are all known by the skilled person through technical manuals or through conventional experimental methods.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mechanical arm, includes fixed column (1), its characterized in that: the surface fixedly connected with cabin of fixed column (1), the internally mounted in cabin has first servo motor (2), the output spline connection of first servo motor (2) has first transfer line (3), the one end of first transfer line (3) runs through fixed column (1) fixedly connected with guide arm (4), the surface rotation of guide arm (4) is connected with movable block (5), one side fixedly connected with rectangular plate (6) of movable block (5), one side fixedly connected with first hydraulic stem (7) of rectangular plate (6), one end fixedly connected with connecting block (8) of first hydraulic stem (7), the surface of connecting block (8) runs through rectangular plate (6) fixedly connected with first T template (9), one side fixedly connected with first rack (10) of first T template (9), first rack (10) meshing has gear (11), the surface fixedly connected with round bar of gear (11), the round bar rotates and is connected with rectangular plate (6), gear (11) meshing has second rack (12).

2. A robotic arm as claimed in claim 1, wherein: one side fixedly connected with second T template (13) of second rack (12), one side of second T template (13) and first T template (9) all fixedly connected with stopper, the surface sliding connection of stopper has rectangular board (6).

3. A robotic arm as claimed in claim 2, wherein: rectangular grooves are formed in the surfaces of the first T-shaped plate (9) and the second T-shaped plate (13), a plurality of sleeves (14) are fixedly connected to the inside of each rectangular groove, movable rods (15) are connected to the inside of each sleeve (14) in a sliding mode, springs (16) are fixedly connected to one ends of the movable rods (15), and buffer rods used for buffering are sleeved in the springs (16).

4. A robotic arm as claimed in claim 1, wherein: the bottom of fixed column (1) fixedly connected with cylinder (17), the interior roof fixedly connected with second hydraulic stem (18) of cylinder (17), adapter sleeve box (19) are fixed to one end of second hydraulic stem (18), the surface sliding connection of cylinder (17) has box (19).

5. A robotic arm as claimed in claim 4, wherein: the surface sliding connection of cover box (19) has base (20), the internally mounted of base (20) has second servo motor, second servo motor's output spline connection has the second transfer line, the one end fixedly connected with cover box (19) of second transfer line.

6. A robotic arm as claimed in claim 1, wherein: the bottom fixedly connected with third hydraulic stem (21) of guide arm (4), the one end fixedly connected with spacing stick of third hydraulic stem (21), the surface rotation of spacing stick is connected with protruding piece (22), the top fixedly connected with movable block (5) of protruding piece (22).