CN212421353U

CN212421353U - Liftable arm mechanism

Info

Publication number: CN212421353U
Application number: CN201922261199.4U
Authority: CN
Inventors: 何英树
Original assignee: Individual
Current assignee: Jiangxi Hexinfa Industrial Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2021-01-29
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses a liftable arm mechanism, including the base, rotate through the bearing on the upper surface of base and be connected with the screw thread post, the fixed slewing mechanism that is provided with on the upper surface of base, the fixed elevating system that is provided with on the surface of screw thread post, elevating system's inside is fixed and is provided with coupling mechanism, and beneficial effect lies in: the utility model relates to a liftable arm mechanism, have the less big characteristics of the range of contracting that rise of occupation space, when specifically using, make the lift ring can reciprocate through the spacing slider and the spacing spout that set up, the second motor drives the second gear and rotates, make the screw ring rotate through first gear and second ring gear, go up and down in the screw ring pivoted, the screw ring drives a lift section of thick bamboo and goes up and down, the lift section of thick bamboo drives the arm on the fixed block and goes up and down, and then drive the arm when occupation space is less, great lifting range has.

Description

Liftable arm mechanism

Technical Field

The utility model relates to the technical field of machining, especially, relate to a liftable arm mechanism.

Background

An industrial mechanical arm is a mechanical electronic device with anthropomorphic arm, wrist and hand functions, and can move any object or tool according to the time-varying requirement of space pose so as to meet the operation requirement of certain industrial production, such as clamping a welding tongs or a welding gun, carrying parts or components of spot welding or arc welding, die casting or stamping forming, carrying out laser cutting and spraying, assembling mechanical parts and the like on the body of an automobile or a motorcycle.

The lifting function of the existing mechanical arm is realized through lifting structures such as a scissor fork type lifting and retracting type mechanical arm.

SUMMERY OF THE UTILITY MODEL

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

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a liftable arm mechanism, includes the base, it is connected with the screw thread post to rotate through the bearing on the upper surface of base, the fixed slewing mechanism that is provided with on the upper surface of base, the fixed elevating system that is provided with on the surface of screw thread post, elevating system's inside is fixed and is provided with coupling mechanism.

Preferably, the rotating mechanism comprises a first motor, the first motor is fixedly connected to the upper surface of the base, an output shaft of the first motor is fixedly connected with a first gear, the first gear is meshed with a first ring gear, and the first ring gear is fixedly sleeved on the surface of the threaded column.

Preferably, elevating system includes spacing spout, and two spacing spouts symmetry is seted up on the surface of screw post, two equal sliding connection in inside of spacing spout has spacing slider, two spacing slider is located the outside one end fixed connection of spacing spout on the upper surface of same elevator ring, the elevator ring activity cup joints on the surface of screw post, fixedly connected with fixed plate on the surface of elevator ring, fixedly connected with second motor on the fixed plate, the output shaft fixedly connected with pivot of second motor, the other end fixedly connected with second gear of pivot, the second gear meshes with the second ring gear mutually, the second ring gear is fixed cup joints on the surface of screw ring.

Preferably, the connecting mechanism comprises an annular slot, the annular slot is formed in the lower surface of the lifting ring, an annular insert block is inserted into the annular slot, the other end of the annular insert block is fixedly connected with the upper surface of the threaded ring, clamping grooves are formed in the inner walls of the two sides of the annular slot, clamping blocks are clamped in the clamping grooves, and the clamping blocks are fixedly connected to the surface of the annular insert block.

Preferably, the lifting ring is fixedly connected with a fixed block on the surface, and the mechanical arm is fixedly connected to the upper surface of the fixed block.

Preferably, the threaded ring is in threaded connection with the threaded post.

The utility model provides a pair of mechanical arm mechanism of liftable, beneficial effect lies in: the utility model relates to a liftable arm mechanism, have the less big characteristics of the range of contracting that rise of occupation space, when specifically using, make the lift ring can reciprocate through the spacing slider and the spacing spout that set up, the second motor drives the second gear and rotates, make the screw ring rotate through first gear and second ring gear, go up and down in the screw ring pivoted, the screw ring drives a lift section of thick bamboo and goes up and down, the lift section of thick bamboo drives the arm on the fixed block and goes up and down, and then drive the arm when occupation space is less, great lifting range has.

Drawings

Fig. 1 is a front sectional view of a mechanical arm mechanism capable of lifting and lowering provided by the present invention;

fig. 2 is a front view of a mechanical arm mechanism capable of lifting and lowering provided by the present invention;

fig. 3 is an enlarged view of a portion a of a liftable mechanical arm mechanism diagram 1 according to the present invention;

fig. 4 is an enlarged view of a portion B of a liftable mechanical arm mechanism diagram 1 according to the present invention;

fig. 5 is an enlarged view of a portion C in the mechanical arm mechanism diagram 1 capable of lifting and lowering according to the present invention.

In the figure: the device comprises a base 1, a bearing 2, a threaded column 3, a rotating mechanism 4, a first motor 41, a first gear 42, a first ring gear 43, a lifting mechanism 5, a limiting sliding groove 51, a limiting sliding block 52, a lifting ring 53, a fixing plate 54, a second motor 55, a rotating shaft 56, a second gear 57, a second ring gear 58, a threaded ring 59, a connecting mechanism 6, an annular slot 61, an annular insert block 62, a clamping groove 63, a clamping block 64, a fixing block 7 and a mechanical arm 8.

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.

Referring to fig. 1-5, a liftable mechanical arm mechanism comprises a base 1, a threaded post 3 is rotatably connected to the upper surface of the base 1 through a bearing 2, a rotating mechanism 4 is fixedly arranged on the upper surface of the base 1, the rotating mechanism 4 comprises a first motor 41, the first motor 41 is fixedly connected to the upper surface of the base 1, an output shaft of the first motor 41 is fixedly connected with a first gear 42, the first gear 42 is engaged with a first ring gear 43, the first ring gear 43 is fixedly sleeved on the surface of the threaded post 3, the first motor 41 is started, the first motor 41 drives the first gear 42 to rotate, the first gear 42 drives the engaged first ring gear 43 to rotate when rotating, the first ring gear 43 drives the threaded post 3 to rotate, and then the lifting ring 53 can be driven to rotate, the lifting ring 53 rotates to drive a fixed block 7 to rotate, and then drive a mechanical arm 8 to rotate, further, the orientation of the mechanical arm 8 can be adjusted, the transverse application range of the mechanical arm 8 is widened, the lifting mechanism 5 is fixedly arranged on the surface of the threaded column 3, the lifting mechanism 5 comprises limit sliding grooves 51, the two limit sliding grooves 51 are symmetrically arranged on the surface of the threaded column 3, limit sliders 52 are respectively and slidably connected inside the two limit sliding grooves 51, one ends of the two limit sliders 52, which are positioned outside the limit sliding grooves 51, are fixedly connected to the upper surface of the same lifting ring 53, the lifting ring 53 is movably sleeved on the surface of the threaded column 3, a fixing plate 54 is fixedly connected to the outer surface of the lifting ring 53, a second motor 55 is fixedly connected to the fixing plate 54, a rotating shaft 56 is fixedly connected to an output shaft of the second motor 55, a second gear 57 is fixedly connected to the other end of the rotating shaft 56, the second gear 57 is engaged with a second ring gear 58, and the second ring gear 58 is, the second motor 55 is started, the second motor 55 drives the rotating shaft 56 to rotate, the rotating shaft 56 drives the second gear 57 to rotate, the second gear 57 drives the second ring gear 58 which is meshed with the second gear to rotate, the second ring gear 58 drives the threaded ring 59 to rotate, the threaded ring 59 is in threaded connection with the threaded post 3, the threaded post 5 which is in threaded connection drives the threaded ring 59 to lift when the threaded ring 59 rotates, and further drives the mechanical arm 8 on the fixed block 7 to lift, the vertical application range of the mechanical arm 8 is improved, the lifting mechanism 5 is fixedly provided with the connecting mechanism 6 inside, the connecting mechanism 6 comprises an annular slot 61, the annular slot 61 is arranged on the lower surface of the lifting ring 53, an annular insert block 62 is inserted into the annular slot 61, the other end of the annular insert block 62 is fixedly connected with the upper surface of the threaded ring 59, and clamping grooves 63 are formed in the inner walls of two sides of the, the inside joint of joint groove 63 has joint piece 64, joint piece 64 fixed connection is on the surface of annular inserted block 62, fixedly connected with annular inserted block 62 on the upper surface of screw ring 59, fixed connection's joint piece 64 joint is inside at the inside joint groove 63 of lift ring 53 on the annular inserted block 62 lateral wall, it goes up and down to make screw ring 59 drive lift ring 53, prevent that screw ring 59 and lift ring 53 separation from making second gear 57 and second ring gear 58 separation, and then prevent that screw ring 59 can't drive lift ring 53 and go up and down, lift ring 53's fixedly connected with fixed block 7 on the surface, fixedly connected with arm 8 on the upper surface of fixed block 7, it rotates and goes up and down to drive arm 8 through fixed block 7.

The working principle is as follows: the utility model relates to a liftable mechanical arm mechanism, which has the characteristics of small occupied space and large lifting range, when in specific use, a first motor 41 is started, the first motor 41 drives a first gear 42 to rotate, the first gear 42 drives a meshed first ring gear 43 to rotate when rotating, the first ring gear 43 drives a threaded post 3 to rotate, and further can drive a lifting ring 53 to rotate, the lifting ring 53 rotates to drive a fixed block 7 to rotate, and further drives a mechanical arm 8 to rotate, so that the orientation of the mechanical arm 8 can be adjusted, the use range of the mechanical arm 8 is improved, a second motor 55 is started, the second motor 55 drives a rotating shaft 56 to rotate, the rotating shaft 56 drives a second gear 57 to rotate, the second gear 57 drives a meshed second ring gear 58 to rotate, the second ring gear 58 drives a threaded ring 59 to rotate, the threaded post 5 which is connected through a thread drives the threaded ring 59 to lift when the threaded ring 59 rotates, fixedly connected with annular inserted block 62 on the upper surface of screw ring 59, fixedly connected's joint piece 64 joint is inside the inside joint groove 63 of lift ring 53 on the annular inserted block 62 lateral wall, make screw ring 59 drive lift ring 53 and go up and down, prevent that screw ring 59 and lift ring 53 from separating to make second gear 57 and second ring gear 58 separate, and then prevent that screw ring 59 can't drive lift ring 53 and go up and down, and then drive arm 8 on the fixed block 7 and go up and down, improve arm 8's application range.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a mechanical arm mechanism of liftable, includes base (1), its characterized in that: the screw thread column is characterized in that a screw thread column (3) is rotatably connected to the upper surface of the base (1) through a bearing (2), a rotating mechanism (4) is fixedly arranged on the upper surface of the base (1), an elevating mechanism (5) is fixedly arranged on the surface of the screw thread column (3), and a connecting mechanism (6) is fixedly arranged inside the elevating mechanism (5).

2. The liftable mechanical arm mechanism of claim 1, wherein: the rotating mechanism (4) comprises a first motor (41), the first motor (41) is fixedly connected to the upper surface of the base (1), an output shaft of the first motor (41) is fixedly connected with a first gear (42), the first gear (42) is meshed with a first ring gear (43), and the first ring gear (43) is fixedly sleeved on the surface of the threaded column (3).

3. The liftable mechanical arm mechanism of claim 1, wherein: the lifting mechanism (5) comprises limiting sliding grooves (51), the two limiting sliding grooves (51) are symmetrically arranged on the surface of the threaded column (3), the limiting sliding blocks (52) are connected to the inner parts of the limiting sliding grooves (51) in a sliding manner, the two limiting sliding blocks (52) are fixedly connected to the upper surface of the same lifting ring (53) at the outer part of the limiting sliding grooves (51), the lifting ring (53) is movably sleeved on the surface of the threaded column (3), a fixing plate (54) is fixedly connected to the outer surface of the lifting ring (53), a second motor (55) is fixedly connected to the fixing plate (54), a rotating shaft (56) is fixedly connected to an output shaft of the second motor (55), a second gear (57) is fixedly connected to the other end of the rotating shaft (56), and the second gear (57) is meshed with a second annular gear (58), the second ring gear (58) is fixedly sleeved on the outer surface of the threaded ring (59).

4. The liftable mechanical arm mechanism of claim 1, wherein: coupling mechanism (6) include annular slot (61), annular slot (61) are seted up on the lower surface of lift ring (53), the inside grafting of annular slot (61) has annular inserted block (62), the other end and the last fixed surface of screw ring (59) of annular inserted block (62) are connected, joint groove (63) have been seted up on the both sides inner wall of annular slot (61), the inside joint of joint groove (63) has joint piece (64), joint piece (64) fixed connection is on the surface of annular inserted block (62).

5. The liftable mechanical arm mechanism of claim 3, wherein: the lifting ring (53) is fixedly connected with a fixing block (7) on the surface, and a mechanical arm (8) is fixedly connected to the upper surface of the fixing block (7).

6. The liftable mechanical arm mechanism of claim 3, wherein: the threaded ring (59) is in threaded connection with the threaded column (3).