CN221677200U

CN221677200U - Double mechanical arm mechanism

Info

Publication number: CN221677200U
Application number: CN202323410409.4U
Authority: CN
Inventors: 谢燕萍; 季荣荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-12-14
Filing date: 2023-12-14
Publication date: 2024-09-10
Anticipated expiration: 2033-12-14

Abstract

The utility model discloses a double mechanical arm mechanism, which comprises a switching driving device, a base, a guide groove, a movable seat I, a screw rod I, an end cover I, a screw rod II, a movable seat II and an end cover II; the utility model can move the movable seat I and the movable seat II leftwards or rightwards together by the same-direction rotation of the screw rod I and the screw rod II, thereby meeting the requirement of synchronous movement of the mechanical arm I and the mechanical arm II; according to the utility model, the first transition pinion is meshed with the first output gear through shortening of the second oil cylinder, so that the first screw rod and the second screw rod can be driven to rotate oppositely, the first mechanical arm and the second mechanical arm can be driven to move inwards or outwards together, and the convenience of use time is improved; according to the utility model, the oil cylinder II is shortened, and the transition large gear and the transition small gear are not meshed with the output gear I, so that the output shaft II and the screw rod II can only be driven to rotate, and the requirement of independent movement of the movable seat II and the mechanical arm II is met.

Description

Double mechanical arm mechanism

Technical field:

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

The background technology is as follows:

At present, with the development of technology, the complexity of parts is higher and higher, and the corresponding production and manufacturing difficulties are also improved continuously. In the production process of the existing workpieces, a plurality of workpieces can be prepared and finished through a plurality of working procedures, the traditional method adopts manual work to convey the workpieces between machines at different working stations and load and unload the workpieces, and due to manual operation, the judgment and the spirit of the workers can be influenced along with the working time of the workers, and the labor intensity is high, misoperation is easy to occur, so that the production efficiency is reduced, higher unqualified products are produced, the product qualification rate is difficult to ensure, but when the traditional mechanical arm clamps and loads the workpieces, the workpiece clamping is unstable due to the fixed structure, the workpiece clamping is easy to damage the workpieces in the loading and unloading process, and the traditional Chinese patent utility model with the patent number of CN 213165379U, for example, discloses a double mechanical arm mechanism which can not be adjusted and moved according to the needs, so that great inconvenience and trouble are brought to the use.

The utility model comprises the following steps:

The utility model aims to solve the problems that the double mechanical arm mechanism cannot be adjusted and moved according to the needs, so that great inconvenience and trouble are brought to the use.

In order to solve the problems, the utility model provides a technical scheme that: the utility model provides a two arm mechanisms, includes arm one and arm two, and its innovation point lies in: the device also comprises a switching driving device, a base, a guide groove, a movable seat I, a screw rod I, an end cover I, a screw rod II, a movable seat II and an end cover II; the upper side of the base is provided with a transverse guide groove; an end cover I is fixedly connected to the left opening of the guide groove, and an end cover II is fixedly connected to the right opening of the guide groove; the switching driving device is fixedly connected to the center of the guide groove; the first screw is movably connected to the left side of the guide groove, and the center of the right side of the first screw is fixedly connected with the left output shaft of the switching driving device; the movable seat I is externally and movably connected to the left side inside the guide groove, a threaded hole arranged in the center of the movable seat I is connected with the screw rod I, and the top of the movable seat I is fixedly connected with the mechanical arm I; the second screw is movably connected to the right side of the guide groove, and the center of the left side of the second screw is fixedly connected with the right output shaft of the switching driving device; the movable seat is characterized in that the outer part of the movable seat is movably connected to the right side inside the guide groove, a threaded hole formed in the center of the second movable seat is connected with the second screw rod, and the second mechanical arm is fixedly connected to the top of the second movable seat.

Preferably, the specific structure of the switching driving device comprises an outer shell, an inner cavity, a motor, a driving gear, an end face gear, a driven gear, a gear frame body I, an oil cylinder I, a connecting gear I, a limiting block, a transmission gear I, an output shaft I, a transition large gear, a transition pinion I, a transition pinion II, an oil cylinder II, an output gear II, an output shaft II, a gear frame body II, a transmission gear II and a connecting gear II; an inner cavity is formed in the outer shell, a motor is fixedly connected to the top of the outer shell, and a driving gear is fixedly connected to the lower shaft end of the motor; the driven gear is movably connected to the center of the upper side of the inner cavity, the side surface of the driven gear is fixedly connected with an end face gear, and the end face gear is connected with the driving gear; the upper side of the first gear frame body is movably connected to the outside of a central shaft of the driven gear, the right rear side of the first gear frame body is movably connected with a first connecting gear and a first transmission gear, the first transmission gear is connected with the driven gear through the first connecting gear, the left rear side of the first gear frame body is movably connected with a second transmission gear and a second connecting gear, and the second transmission gear is connected with the driven gear through the second connecting gear; the two limiting blocks are respectively and fixedly connected to the left side and the right side of the inner cavity; the right side of the oil cylinder is movably connected to the right upper side of the inner cavity, and the tail end of a left piston rod of the oil cylinder is movably connected with the right side of the gear frame body; the first output shaft is movably connected to the inside of the right lower side of the inner cavity, the outside of the first output shaft is fixedly connected with the first output gear, and the outside of the first output shaft is connected with the first screw; the second output shaft is movably connected to the inside of the left lower side of the inner cavity, the second output shaft is fixedly connected with the second output gear, and the outer side of the second output shaft is connected with the second screw; the inside of the left side of the gear frame body II is movably connected with the outside of the output shaft II, the lower right rear side of the gear frame body II is movably connected with a transition large gear, the transition large gear is connected with the output gear II, the upper right rear side of the gear frame body II is movably connected with a transition small gear I and a transition small gear II, and the transition small gear I is connected with the output gear II through the transition small gear II; the left side of the oil cylinder II is movably connected to the left lower side of the inner cavity, and the tail end of the piston rod of the oil cylinder II is movably connected to the lower side of the gear frame body II.

Preferably, the motor is a servo motor.

Preferably, the outer part of the outer shell is T-shaped and is matched with the inner part of the guide groove.

Preferably, the outer parts of the first movable seat and the second movable seat are in T shapes and are matched with the inner parts of the guide grooves.

The utility model has the beneficial effects that:

(1) The utility model has the advantages of reasonable and simple structure, low production cost, convenient installation and complete functions, and the movable seat I and the movable seat II can move leftwards or rightwards together by the same-direction rotation of the screw rod I and the screw rod II, so that the requirement of synchronous movement of the mechanical arm I and the mechanical arm II is met.

(2) According to the utility model, the first transition pinion is meshed with the first output gear through shortening of the second oil cylinder, so that the first screw rod and the second screw rod can be driven to rotate oppositely, the first mechanical arm and the second mechanical arm can be driven to move inwards or outwards together, and convenience in use is improved.

(3) According to the utility model, the oil cylinder II is shortened, the transition large gear and the transition small gear are not meshed with the output gear I, and only the output shaft II and the screw rod II can be driven to rotate at the moment, so that the requirement of independent movement of the movable seat II and the mechanical arm II is met, and when the oil cylinder I is lengthened, the transmission gear I can be meshed with the output gear I, so that the output shaft I can be driven to independently rotate, and the requirement of independent movement of the movable seat I and the mechanical arm I is met.

Description of the drawings:

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic structural diagram of the switching driving device.

1-A mechanical arm I; 2-a mechanical arm II; 3-switching the driving device; 4-a base; 5-a guide groove; 6-a movable seat I; 7-screw one; 8-end cap I; 9-a second screw rod; 10-a second movable seat; 11-end cap II; 31-an outer shell; 32-lumen; 33-an electric motor; 34-a drive gear; 35-face gear; 36-a driven gear; 37-first gear carrier body; 38-first oil cylinder; 39-connecting gear one; 310-limiting blocks; 311-a first transmission gear; 312-output gear one; 313-output shaft one; 314-transition gearwheel; 315-transition pinion one; 316-transition pinion two; 317-second oil cylinder; 318-output gear two; 319-output shaft II; 320-a gear carrier body II; 321-a second transmission gear; 322-connecting gear two.

The specific embodiment is as follows:

As shown in fig. 1, the present embodiment adopts the following technical scheme: the double-mechanical arm mechanism comprises a mechanical arm I1, a mechanical arm II 2, a switching driving device 3, a base 4, a guide groove 5, a movable seat I6, a screw I7, an end cover I8, a screw II 9, a movable seat II 10 and an end cover II 11; the upper side of the base 4 is provided with a transverse guide groove 5; an end cover I8 is fixedly connected to the left opening of the guide groove 5, and an end cover II 11 is fixedly connected to the right opening of the guide groove 5; the switching driving device 3 is fixedly connected to the center of the guide groove 5; the first screw rod 7 is movably connected to the left side of the guide groove 5, and the center of the right side of the first screw rod 7 is fixedly connected with the left output shaft of the switching driving device 3; the outside of the movable seat I6 is movably connected to the left side inside the guide groove 5, a threaded hole arranged in the center of the movable seat I6 is connected with the screw I7, and the top of the movable seat I6 is fixedly connected with the mechanical arm I1; the second screw rod 9 is movably connected to the right side of the guide groove 5, and the center of the left side of the second screw rod 9 is fixedly connected with the right output shaft of the switching driving device 3; the outside swing joint of movable seat two 10 is in the inside right side of guide slot 5, the screw hole that movable seat two 10 central authorities set up is connected with screw rod two 9, the fixed connection of movable seat two 10 top has arm two 2.

As shown in fig. 2, the specific structure of the switching driving device 3 includes an outer housing 31, an inner cavity 32, a motor 33, a driving gear 34, a face gear 35, a driven gear 36, a first gear frame 37, a first cylinder 38, a first connecting gear 39, a limiting block 310, a first transmission gear 311, a first output gear 312, a first output shaft 313, a large transition gear 314, a first transition pinion 315, a second transition pinion 316, a second cylinder 317, a second output gear 318, a second output shaft 319, a second gear frame 320, a second transmission gear 321, and a second connecting gear 322; an inner cavity 32 is formed in the outer shell 31, a motor 33 is fixedly connected to the top of the outer shell 31, and a driving gear 34 is fixedly connected to the lower shaft end of the motor 33; the driven gear 36 is movably connected to the center of the upper side of the inner cavity 32, the side surface of the driven gear 36 is fixedly connected with the face gear 35, and the face gear 35 is connected with the driving gear 34; the upper side of the first gear frame body 37 is movably connected to the outside of the central shaft of the driven gear 36, the right rear side of the first gear frame body 37 is movably connected with a first connecting gear 39 and a first transmission gear 311, the first transmission gear 311 is connected with the driven gear 36 through the first connecting gear 39, the left rear side of the first gear frame body 37 is movably connected with a second transmission gear 321 and a second connecting gear 322, and the second transmission gear 321 is connected with the driven gear 36 through the second connecting gear 322; the number of the limiting blocks 310 is two, and the two limiting blocks 310 are respectively and fixedly connected to the left upper side and the right upper side of the inner cavity 32; the right side of the first oil cylinder 38 is movably connected to the right upper side of the inner cavity 32, and the tail end of a left piston rod of the first oil cylinder 38 is movably connected to the right side of the first gear frame 37; the first output shaft 313 is movably connected to the inside of the right lower side of the inner cavity 32, the outside of the first output shaft 313 is fixedly connected with the first output gear 312, and the outside of the first output shaft 313 is connected with the first screw 7; the second output shaft 319 is movably connected to the inside of the left lower side of the inner cavity 32, the second output shaft 319 is fixedly connected with the second output gear 318, and the outside of the second output shaft 319 is connected with the second screw 9; the left side of the second gear frame body 320 is movably connected to the outside of the second output shaft 319, the right lower rear side of the second gear frame body 320 is movably connected with a transition large gear 314, the transition large gear 314 is connected with the second output gear 318, the right upper rear side of the second gear frame body 320 is movably connected with a first transition small gear 315 and a second transition small gear 316, and the first transition small gear 315 is connected with the second output gear 318 through the second transition small gear 316; the left side of the second oil cylinder 317 is movably connected to the left lower side of the inner cavity 32, and the tail end of the right piston rod of the second oil cylinder 317 is movably connected to the lower side of the gear frame body 320.

Wherein the motor 33 is a servo motor, thereby facilitating control of the motor 33 by existing automation techniques; the outer shell 31 is T-shaped and matched with the inside of the guide groove 5; the outer parts of the first movable seat 6 and the second movable seat 10 are in T shapes and are matched with the inner parts of the guide grooves 5.

The use state of the utility model is as follows: the utility model has reasonable and simple structure, low production cost and convenient installation and complete functions, when in use, firstly, the motor 33 is started to drive the driving gear 34 to rotate, the driving gear 34 rotates to drive the connecting gear II 322 to rotate through the end face gear 35 and the driven gear 36, the connecting gear II 322 rotates to drive the output gear II 318 to rotate through the output gear I312, the output gear II 318 rotates to drive the screw rod II 9 through the output shaft II 319, the transition gear II 318 rotates to drive the output gear I312 to rotate in the same direction, the output gear I312 rotates to drive the screw rod I7 through the output shaft I313, the screw rod I7 and the screw rod II 9 rotate in the same direction, so that the movable seat I6 and the movable seat II 10 can move leftwards or rightwards together, the requirement of synchronous movement of the mechanical arm I1 and the mechanical arm II 2 is met, the first transition pinion 315 is meshed with the first output gear 312 through shortening of the second oil cylinder 317, so that the first screw 7 and the second screw 9 can be driven to rotate reversely, the first mechanical arm 1 and the second mechanical arm 2 can be driven to move inwards or outwards together, the convenience of use is further improved, the second output gear 312 is not meshed with the first transition pinion 314 and the first transition pinion 315 through shortening of the second oil cylinder 317, only the second output shaft 319 and the second screw 9 can be driven to rotate at the moment, and therefore the requirement of independent movement of the second movable seat 10 and the second mechanical arm 2 is met, and when the first oil cylinder 38 is extended, the first transmission gear 311 can be meshed with the first output gear 312, and the first output shaft 313 can be driven to rotate independently, and the requirement of independent movement of the first movable seat 6 and the first mechanical arm 1 is met.

The control mode of the utility model is controlled by manual starting or by the existing automation technology, the wiring diagram of the power element and the supply of the power source are common knowledge in the field, and the utility model is mainly used for protecting the mechanical device, so the utility model does not explain the control mode and the wiring arrangement in detail.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

While the basic principles and main features of the present utility model and advantages of the present utility model have been shown and described, it will be understood by those skilled in the art that the present utility model is not limited by the foregoing embodiments, which are described in the foregoing specification merely illustrate the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a two arm mechanisms, includes arm one (1) and arm two (2), its characterized in that: the device also comprises a switching driving device (3), a base (4), a guide groove (5), a first movable seat (6), a first screw rod (7), a first end cover (8), a second screw rod (9), a second movable seat (10) and a second end cover (11);

A transverse guide groove (5) is formed in the upper side of the base (4);

An end cover I (8) is fixedly connected to the left opening of the guide groove (5), and an end cover II (11) is fixedly connected to the right opening of the guide groove (5);

the switching driving device (3) is fixedly connected to the center of the guide groove (5);

The first screw (7) is movably connected to the left side of the guide groove (5), and the right center of the first screw (7) is fixedly connected with the left output shaft of the switching driving device (3);

The outside of the movable seat I (6) is movably connected to the left side in the guide groove (5), a threaded hole arranged in the center of the movable seat I (6) is connected with the screw rod I (7), and the top of the movable seat I (6) is fixedly connected with the mechanical arm I (1);

The second screw rod (9) is movably connected to the right side of the guide groove (5), and the center of the left side of the second screw rod (9) is fixedly connected with the right output shaft of the switching driving device (3);

The movable seat II (10) is externally and movably connected to the right side inside the guide groove (5), a threaded hole arranged in the center of the movable seat II (10) is connected with the screw rod II (9), and the top of the movable seat II (10) is fixedly connected with the mechanical arm II (2).

2. The dual-mechanical arm mechanism of claim 1, wherein: the specific structure of the switching driving device (3) comprises an outer shell (31), an inner cavity (32), a motor (33), a driving gear (34), an end face gear (35), a driven gear (36), a gear frame body I (37), an oil cylinder I (38), a connecting gear I (39), a limiting block (310), a transmission gear I (311), an output gear I (312), an output shaft I (313), a transition large gear (314), a transition pinion I (315), a transition pinion II (316), an oil cylinder II (317), an output gear II (318), an output shaft II (319), a gear frame body II (320), a transmission gear II (321) and a connecting gear II (322);

An inner cavity (32) is formed in the outer shell (31), a motor (33) is fixedly connected to the top of the outer shell (31), and a driving gear (34) is fixedly connected to the lower shaft end of the motor (33);

The driven gear (36) is movably connected to the center of the upper side of the inner cavity (32), the side surface of the driven gear (36) is fixedly connected with the face gear (35), and the face gear (35) is connected with the driving gear (34);

The upper side of the first gear frame body (37) is movably connected to the outside of the central shaft of the driven gear (36), the right rear side of the first gear frame body (37) is movably connected with a first connecting gear (39) and a first transmission gear (311), the first transmission gear (311) is connected with the driven gear (36) through the first connecting gear (39), the left rear side of the first gear frame body (37) is movably connected with a second transmission gear (321) and a second connecting gear (322), and the second transmission gear (321) is connected with the driven gear (36) through the second connecting gear (322);

The number of the limiting blocks (310) is two, and the two limiting blocks (310) are respectively and fixedly connected to the left upper side and the right upper side of the inner cavity (32);

The right side of the first oil cylinder (38) is movably connected to the right upper side of the inner cavity (32), and the tail end of a left piston rod of the first oil cylinder (38) is movably connected to the right side of the first gear frame body (37);

the first output shaft (313) is movably connected to the inside of the right lower side of the inner cavity (32), the first output gear (312) is fixedly connected to the outside of the first output shaft (313), and the outside of the first output shaft (313) is connected with the first screw (7);

The second output shaft (319) is movably connected to the inside of the left lower side of the inner cavity (32), the second output shaft (319) is fixedly connected with the second output gear (318) outside, and the outside of the second output shaft (319) is connected with the second screw rod (9);

The left side of the second gear frame body (320) is movably connected to the outside of the second output shaft (319), the right lower rear side of the second gear frame body (320) is movably connected with a transition large gear (314), the transition large gear (314) is connected with the second output gear (318), the right upper rear side of the second gear frame body (320) is movably connected with a first transition small gear (315) and a second transition small gear (316), and the first transition small gear (315) is connected with the second output gear (318) through the second transition small gear (316);

The left side of the second oil cylinder (317) is movably connected to the left lower side of the inner cavity (32), and the tail end of a piston rod on the right side of the second oil cylinder (317) is movably connected to the lower side of the gear frame body II (320).

3. The dual-mechanical arm mechanism of claim 2, wherein: the motor (33) is a servo motor.

4. The dual-mechanical arm mechanism of claim 2, wherein: the outer shell (31) is T-shaped and matched with the inside of the guide groove (5).

5. The dual-mechanical arm mechanism of claim 1, wherein: the outsides of the movable seat I (6) and the movable seat II (10) are in T shapes and are matched with the inside of the guide groove (5).