CN214816946U

CN214816946U - Mechanical arm for machining

Info

Publication number: CN214816946U
Application number: CN202121444786.8U
Authority: CN
Inventors: 毛禹全
Original assignee: Zunyi Gaoqiqi Technology Development Co ltd
Current assignee: Zunyi Gaoqiqi Technology Development Co ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2021-11-23
Anticipated expiration: 2031-06-28

Abstract

The utility model discloses a robotic arm for machining, the bottom cover of back pole is equipped with the second gear, the inside bottom of support is provided with first motor, the output shaft cover of first motor is equipped with first gear, and first gear is connected with third gear engagement, the outer wall of threaded rod is provided with the connecting block, a lateral wall department of support is provided with the control box, and the control box passes through connecting block swing joint with the support, the inside of control box is provided with electric telescopic handle, electric telescopic handle's rear end is provided with rotates the box, the inside of rotating the box is provided with the second motor, and the output shaft and the electric telescopic handle fixed connection of second motor. The utility model discloses, set up the threaded rod, through the rotation of threaded rod to drive the connecting block and reciprocate in the sliding tray, and because the screw thread opposite direction on preceding pole and the back pole, thereby can keep its stability when having guaranteed that the connecting block reciprocates.

Description

Mechanical arm for machining

Technical Field

The utility model relates to a robotic arm technical field especially relates to a robotic arm for machining.

Background

The mechanical arm is an automatic mechanical device which is widely applied in the technical field of robots, and the figure of the mechanical arm can be seen in the fields of industrial manufacturing, medical treatment, entertainment service, military, semiconductor manufacturing, space exploration and the like. Although they have different forms, they all have a common feature of being able to receive commands and precisely locate a point in three-dimensional space for work.

At present, a multi-axis mechanical arm is generally adopted for a mechanical arm used in machining in the market, the multi-axis mechanical arm has high degree of freedom and universality, the mechanical arm is wide in application direction, but the cost is high, the maintenance cost is high, and a mechanical arm which is convenient to maintain, low in price and convenient to install and is specially designed for the field of machining is not arranged in the market.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a mechanical arm for machining.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a mechanical arm for machining comprises a support, a sliding groove is formed in the support, a threaded rod is arranged in the sliding groove, the threaded rod comprises a front rod and a rear rod, a third gear is sleeved at the bottom end of the front rod, a second gear is sleeved at the bottom end of the rear rod, the second gear is meshed with the third gear, the bottom end in the bracket is provided with a first motor, the output shaft of the first motor is sleeved with a first gear, the first gear is meshed with the third gear, the outer wall of the threaded rod is provided with a connecting block, a control box is arranged on one side wall of the bracket, the control box is movably connected with the bracket through a connecting block, an electric telescopic rod is arranged in the control box, the rear end of the electric telescopic rod is provided with a rotating box, a second motor is arranged inside the rotating box, and an output shaft of the second motor is fixedly connected with the electric telescopic rod.

As a further description of the above technical solution:

the bottom of the rotating box is provided with a clamping jaw.

As a further description of the above technical solution:

the fixed slot has been seted up to the inside of control box, and electric telescopic handle passes through the inner wall fixed connection of fixed slot with the control box.

As a further description of the above technical solution:

the inside of rotating the box has seted up and has rotated the groove, electric telescopic handle's rear end runs through to the inside in rotation groove.

As a further description of the above technical solution:

the third gear is composed of a large gear and a small gear, the large gear is in meshed connection with the second gear, and the small gear is in meshed connection with the first gear.

As a further description of the above technical solution:

the bottom end of the support is provided with a bottom frame.

As a further description of the above technical solution:

the outer wall of preceding pole and back pole all is seted up threadedly, and the screw thread direction on the preceding pole is opposite with the screw thread direction on the back pole.

The utility model discloses following beneficial effect has:

1. the utility model discloses, set up the threaded rod, through the rotation of threaded rod to drive the connecting block and reciprocate in the sliding tray, and because the screw thread opposite direction on preceding pole and the back pole, thereby can keep its stability when having guaranteed that the connecting block reciprocates.

2. The utility model discloses, set up electric telescopic handle, under electric telescopic handle's effect, just can drive the back-and-forth movement that the box can be accurate of rotating, realize arm structure's simplification and reduced the cost of manufacturing.

3. The utility model discloses, set up the second motor, through the rotation of motor to realize rotating the relative electric telescopic handle of box and rotate, realize the purpose of multi-angle processing, improve its suitability.

Drawings

Fig. 1 is a perspective view of a mechanical arm for machining according to the present invention;

fig. 2 is a main sectional view of a support structure of a mechanical arm for machining according to the present invention;

fig. 3 is a cross-sectional view of a control box structure of a mechanical arm for machining according to the present invention;

fig. 4 is a main cross-sectional view of the rotating box structure of the mechanical arm for machining according to the present invention.

Illustration of the drawings:

1. a support; 2. a chassis; 3. a control box; 4. rotating the cartridge; 5. a sliding groove; 6. connecting blocks; 7. a threaded rod; 8. a first motor; 9. a first gear; 10. a second gear; 11. a third gear; 12. fixing grooves; 13. an electric telescopic rod; 14. a rotating groove; 15. a second motor; 16. a clamping jaw; 701. a front bar; 702. a rear bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a robotic arm for machining, which comprises a bracket 1, sliding tray 5 has been seted up to the inside of support 1, sliding tray 5's inside is provided with threaded rod 7, and threaded rod 7 includes preceding pole 701 and back pole 702, the bottom cover of preceding pole 701 is equipped with third gear 11, the bottom cover of back pole 702 is equipped with second gear 10, and second gear 10 is connected with the meshing of third gear 11, the inside bottom of support 1 is provided with first motor 8, the output shaft cover of first motor 8 is equipped with first gear 9, and first gear 9 is connected with the meshing of third gear 11, rotation through threaded rod 7, thereby drive connecting block 6 and reciprocate in sliding tray 5, and because the screw thread opposite direction on preceding pole 701 and the back pole 702, thereby guaranteed that connecting block 6 can keep its stability when reciprocating.

The outer wall of threaded rod 7 is provided with connecting block 6, a lateral wall department of support 1 is provided with control box 3, and control box 3 passes through 6 swing joint of connecting block with support 1, control box 3's inside is provided with electric telescopic handle 13, electric telescopic handle 13's rear end is provided with rotates box 4, the inside of rotating box 4 is provided with second motor 15, and second motor 15's output shaft and electric telescopic handle 13 fixed connection, under electric telescopic handle 13's effect, just can drive the back-and-forth movement that rotates box 4 can be accurate, realize arm structure's simplification and reduced the cost of making.

The bottom of rotating box 4 is provided with clamping jaw 16, fixed slot 12 has been seted up to the inside of control box 3, and electric telescopic handle 13 passes through the inner wall fixed connection of fixed slot 12 with control box 3, rotating slot 14 has been seted up to the inside of rotating box 4, electric telescopic handle 13's rear end runs through to the inside of rotating slot 14, third gear 11 comprises gear wheel and pinion, the gear wheel is connected with the meshing of second gear 10, the pinion is connected with the meshing of first gear 9, the bottom of support 1 is provided with chassis 2, the screw thread has all been seted up to the outer wall of front rod 701 and back rod 702, and the screw thread direction on the front rod 701 is opposite with the screw thread direction on the back rod 702, rotation through second motor 15, thereby realize rotating box 4 and rotate relative electric telescopic handle 13, realize multi-angle machining's purpose, improve its suitability.

The working principle is as follows: the utility model discloses a first motor 8 rotates and drives first gear 9 and rotate, because first gear 9 and the 11 small gear connections in third gear, and the diameter of first gear 9 is less than the pinion to ensure that third gear 11 rotates great moment occasionally, gear wheel and second gear 10 in the third gear 11 are connected, and the slew velocity is synchronous, thereby drive threaded rod 7 and rotate in step, realize that connecting block 6 reciprocates, reciprocate with drive control box 3. And the rotating box 4 moves back and forth under the action of the electric telescopic rod 13 in the control box 3, and the rotating box 4 is driven to rotate under the rotation of the second motor 15, so that the clamping jaws 16 arranged below the rotating box 4 are driven to be clamped at multiple angles. The three driving structures are matched for use, so that the purpose of mechanical grabbing and processing by the mechanical arm is achieved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a robotic arm for machining, includes support (1), its characterized in that: the rack is characterized in that a sliding groove (5) is formed in the rack (1), a threaded rod (7) is arranged in the sliding groove (5), the threaded rod (7) comprises a front rod (701) and a rear rod (702), a third gear (11) is sleeved at the bottom end of the front rod (701), a second gear (10) is sleeved at the bottom end of the rear rod (702), the second gear (10) is meshed with the third gear (11), a first motor (8) is arranged at the bottom end of the rack (1), a first gear (9) is sleeved at an output shaft of the first motor (8), and the first gear (9) is meshed with the third gear (11);

the outer wall of threaded rod (7) is provided with connecting block (6), a lateral wall department of support (1) is provided with control box (3), and control box (3) and support (1) pass through connecting block (6) swing joint, the inside of control box (3) is provided with electric telescopic handle (13), the rear end of electric telescopic handle (13) is provided with rotates box (4), the inside of rotating box (4) is provided with second motor (15), and the output shaft and electric telescopic handle (13) fixed connection of second motor (15).

2. A robot arm for machining according to claim 1, wherein: the bottom end of the rotating box (4) is provided with a clamping jaw (16).

3. A robot arm for machining according to claim 1, wherein: the inner part of the control box (3) is provided with a fixing groove (12), and the electric telescopic rod (13) is fixedly connected with the control box (3) through the inner wall of the fixing groove (12).

4. A robot arm for machining according to claim 1, wherein: the rotating box (4) is internally provided with a rotating groove (14), and the rear end of the electric telescopic rod (13) penetrates into the rotating groove (14).

5. A robot arm for machining according to claim 1, wherein: the third gear (11) is composed of a large gear and a small gear, the large gear is meshed with the second gear (10), and the small gear is meshed with the first gear (9).

6. A robot arm for machining according to claim 1, wherein: the bottom end of the support (1) is provided with a bottom frame (2).

7. A robot arm for machining according to claim 1, wherein: the outer walls of the front rod (701) and the rear rod (702) are both provided with threads, and the direction of the threads on the front rod (701) is opposite to that of the threads on the rear rod (702).