CN211890926U

CN211890926U - Lifting column for lifting mechanical arm

Info

Publication number: CN211890926U
Application number: CN202020483841.3U
Authority: CN
Inventors: 简思维; 杨永慧; 彭忠良; 李选民
Original assignee: Fujian Zhonghui Jiecheng Electronic Technology Co ltd
Current assignee: Fujian Zhonghui Jiecheng Electronic Technology Co ltd
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-11-10
Anticipated expiration: 2030-04-03

Abstract

The utility model belongs to the field of mechanical arms, in particular to a lifting column for lifting a mechanical arm, which aims at the problems that the height of the lifting column is directly adjusted by rotating a lead screw by most of the prior lifting columns for lifting the mechanical arm, the lead screw has abrasion phenomenon when being used for a long time, and the screw thread is easy to slip, and the lifting column is fixedly arranged at the top of a base and is connected with the lifting column in a sealing and sliding way in the lifting box, the lifting column extends to the upper part of the lifting box from the top end, two oil tanks are symmetrically and fixedly arranged at the top of the base, hydraulic oil is arranged in the oil tanks, the two oil tanks are respectively positioned at the two sides of the lifting box, the lifting column can be driven to move longitudinally by moving the two screw rods leftwards and rightwards, the technical proposal adopts a hydraulic mode as a medium for driving the lifting column, thereby having good support, the service life can be effectively prolonged, so that the method has good practicability and economy.

Description

Lifting column for lifting mechanical arm

Technical Field

The utility model relates to a mechanical arm technical field especially relates to a lifting column is used in arm lift.

Background

The mechanical arm is high-precision and high-speed robotic arm, corresponds small batch production mode, improves production efficiency, except that the operation of gluing, still can correspond various work such as part placement, screw locking and circuit board cutting, the mechanical arm need often adjust the height that the height of lift post comes the adaptation production material in the use, the lift post can divide into vapour-pressure type, fluid pressure type, promotion formula and movable.

The existing lifting column for lifting the mechanical arm directly adjusts the height of the lifting column by rotating a lead screw, the lead screw has abrasion phenomenon when being used for a long time, threads are easy to slip, and the production quality of materials is affected after the lifting precision of the lifting column is reduced, so that the lifting column for lifting the mechanical arm is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the height that has current arm lift to go up and down to use lift formula lift post among the prior art mostly through rotating the lead screw directly to adjust the lift post, there is the wearing and tearing phenomenon when the lead screw is used for a long time, the shortcoming that the screw thread skidded easily, and the arm lift that proposes uses lift post.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a lifting column for lifting a mechanical arm comprises a base, wherein a lifting box is fixedly installed at the top of the base, a lifting column is connected in the lifting box in a sealing and sliding mode, the opposite top end of the lifting column extends to the upper portion of the lifting box, two oil tanks are symmetrically and fixedly installed at the top of the base, hydraulic oil is arranged in the oil tanks and are respectively located on two sides of the lifting box, a first connecting pipe and a second connecting pipe are respectively and fixedly installed on the inner wall, close to each other, of one side of the two oil tanks in a sealing mode, one end of the first connecting pipe extends into the lifting box and is fixedly connected with the inner wall, at the bottom of one side of the lifting box, in a sealing mode, one end of the second connecting pipe extends into the lifting box and is fixedly connected with the inner wall, at the top of the other side of the lifting box, push rods are connected in the, the top fixed mounting of base has driving motor, and driving motor is connected with two push rod transmissions respectively.

Preferably, the oil tank internal seal sliding connection has the piston board, and the one end that two push rods are close to each other respectively with two piston board one side fixed connection of keeping away from each other, can conveniently promote hydraulic oil and move.

Preferably, symmetry fixed mounting has two spacing rings in the lift box, and the bottom fixed mounting of lift post has the closing plate, the sealed sliding connection of inner wall of closing plate and lift box, and the closing plate is located between two spacing rings, fixedly connected with seal cover on the top inner wall of lift box, and the lift post run through the seal cover and with the sealed sliding connection of inner wall of seal cover, can prevent that hydraulic oil from passing through closing plate and lift post and lift box junction.

Preferably, the two push rods are fixedly connected with connecting plates at the ends far away from each other, the two connecting plates are fixedly provided with the same screw, and the driving motor is in transmission connection with the screw, so that the two push rods can move in the same direction conveniently.

Preferably, top one side of base is rotated and is connected with the screw ring, and the screw rod run through the screw ring and with the inner wall threaded connection of screw ring, equal fixed mounting has the ring gear on one side of screw ring and driving motor's the output shaft, and two ring gears mesh mutually, utilize the screw thread principle, can conveniently drive two push rods simultaneously, the equidirectional motion.

The utility model discloses in, arm goes up and down with lift post:

in the technical scheme, when the driving motor is started, the threaded ring can be driven to rotate so as to drive the screw rod to move transversely, and at the moment, the attached drawing is used as a reference, when the screw rod moves towards the left side, hydraulic oil in an oil tank at the right side can be conveyed into the lifting box from the first connecting pipe and is positioned below the sealing plate, so that the sealing plate can be propped against the sealing plate to move upwards, and the lifting column can be driven to move upwards;

when the screw rod moves towards the right side, the two push rods can be driven to move towards the right at the same time, so that hydraulic oil in the oil tank at the right side can flow into the upper part of the sealing plate through the second connecting pipe, the sealing plate moves downwards, and the lifting column is driven to move downwards at the moment;

the utility model discloses a two screws remove about moving, can drive the lift post and carry out longitudinal movement, and this technical scheme adopts hydraulic mode as carrying out driven medium to the lift post, so has good support nature, can effectual increase of service life, consequently has good practicality and economic nature.

Drawings

Fig. 1 is a front view of a lifting column for lifting a mechanical arm according to the present invention;

fig. 2 is a top view of a lifting column for lifting a robot arm according to the present invention;

fig. 3 is the utility model provides a lifting box inner structure elevation view of arm lift with lift post.

In the figure: the device comprises a base 1, a lifting box 2, a lifting column 3, an oil tank 4, a push rod 5, a piston plate 6, a first connecting pipe 7, a second connecting pipe 8, a connecting plate 9, a screw rod 10, a threaded ring 11, a toothed ring 12, a driving motor 13, a sealing plate 14, a limiting ring 15 and a sealing sleeve 16.

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. 1-3, a lifting column for lifting a mechanical arm comprises a base 1, a lifting box 2 is fixedly installed on the top of the base 1, a lifting column 3 is connected in the lifting box 2 in a sealing and sliding manner, the opposite top ends of the lifting column 3 extend to the upper side of the lifting box 2, two oil tanks 4 are symmetrically and fixedly installed on the top of the base 1, hydraulic oil is arranged in the oil tanks 4, the two oil tanks 4 are respectively positioned on two sides of the lifting box 2, a first connecting pipe 7 and a second connecting pipe 8 are respectively and fixedly installed on the inner wall of one side, close to each other, of the two oil tanks 4, one end of the first connecting pipe 7 extends into the lifting box 2 and is fixedly connected with the inner wall of the bottom of one side of the lifting box 2 in a sealing manner, one end of the second connecting pipe 8 extends into the lifting box 2 and is fixedly connected with the inner wall of the other side, push rods 5 are connected in the oil tanks 4 in a sealing and, the top of the base 1 is fixedly provided with a driving motor 13, and the driving motor 13 is respectively in transmission connection with the two push rods 5.

Wherein, in the technical scheme, when the driving motor 13 is started, the threaded ring 11 can be driven to rotate, so as to drive the screw rod 10 to move transversely, at this time, the screw rod 10 is taken as a reference in the attached drawing 1, when the screw rod 10 moves towards the left side, hydraulic oil in the oil tank 4 at the right side can be conveyed into the lifting box 2 through the first connecting pipe 8 and can be positioned below the sealing plate 14, so as to prop against the sealing plate 14 to move upwards, so as to drive the lifting column 2 to move upwards, when the screw rod 10 moves towards the right side, the two push rods 5 can be driven to move rightwards at the same time, so that the hydraulic oil in the oil tank 4 at the right side can flow into the upper part of the sealing plate 14 through the second connecting pipe 8, so that the sealing plate 14 moves downwards, at this time, the lifting column 2 can be driven to move downwards, the utility model can drive the lifting column 3 to move longitudinally by moving the two, this technical scheme adopts hydraulic mode as carrying out driven medium to lift post 3, so has good support nature, can effectual increase of service life, consequently has good practicality and economic nature.

The utility model discloses in, 4 internal seal sliding connections of oil tank have piston plate 6, and the one end that two push rods 5 are close to each other respectively with two piston plate 6 one side fixed connection who keeps away from each other, can conveniently promote hydraulic oil and move.

The utility model discloses in, 2 interior symmetry fixed mounting of lift case have two spacing rings 15, and the bottom fixed mounting of lift post 3 has closing plate 14,

closing plate

14 and 2 inner wall sealing sliding connection of lift case, and closing plate 14 is located between two spacing rings 15, fixedly connected with seal cover 16 on the top inner wall of lift case 2, and lift post 3 run through seal cover 16 and with the inner wall sealing sliding connection of seal cover 16, can prevent that hydraulic oil from passing through closing plate 14 and lift

post

3 and 2 junctions of lift case.

The utility model discloses in, the equal fixedly connected with connecting plate 9 of one end that two push rods 5 kept away from each other, and fixed mounting has same screw rod 10 on two connecting plates 9, and driving motor 13 is connected with the screw rod 10 transmission, can make things convenient for two push rods 5 concerted motions.

The utility model discloses in, top one side of base 1 is rotated and is connected with threaded ring 11, and screw rod 10 run through threaded ring 11 and with threaded ring 11's inner wall threaded connection, equal fixed mounting has ring gear 12 on one side of threaded ring 11 and driving motor 13's the output shaft, and two ring gears 12 mesh mutually, utilize the screw thread principle, can conveniently drive two push rods 5 simultaneously, the syntropy motion.

In the utility model, the two oil tanks 4 in the technical scheme are filled with hydraulic oil, the hydraulic oil in the two oil tanks 4 can be respectively conveyed to the upper part and the lower part of the sealing plate 14 through the first connecting pipe 7 and the second connecting pipe 8 respectively, when the driving motor 13 is started, the threaded ring 11 can be driven to rotate, so as to drive the screw rod 10 to transversely move, at the moment, the screw rod 10 is taken as reference in the attached drawing 1, when the screw rod 10 moves to the left side, the hydraulic oil in the oil tank 4 at the right side can be conveyed into the lifting box 2 through the first connecting pipe 8, and can be positioned below the sealing plate 14, so as to prop against the sealing plate 14 to move upwards, so as to drive the lifting column 2 to move upwards, and the hydraulic oil above the sealing plate 14 can flow back to the oil tank 4 at the left side through the second connecting pipe 8, when the screw rod 10 moves to the right side, at the moment, the two push rods 5, so the hydraulic oil that is located right side oil tank 4 just can flow in the top of closing plate 14 through second connecting pipe 8, make closing plate 14 remove downwards, just can drive lift post 2 and remove downwards this moment, and the hydraulic oil that is located closing plate 14 below just can be pushed to being located left oil tank 4 in, can realize driving lift post 3 and carry out longitudinal movement's purpose, and this technical scheme adopts hydraulic mode as carrying out driven medium to lift post 3, so good support nature has, can effectual increase of service life, consequently, good practicality and economic nature have.

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 lifting column for lifting the mechanical arm comprises a base (1) and is characterized in that a lifting box (2) is fixedly installed at the top of the base (1), the lifting box (2) is connected with a lifting column (3) in a sliding mode in a sealing mode, the top end of the lifting column (3) extends to the upper portion of the lifting box (2), two oil tanks (4) are symmetrically and fixedly installed at the top of the base (1), hydraulic oil is arranged in the oil tanks (4), the two oil tanks (4) are respectively located on two sides of the lifting box (2), a first connecting pipe (7) and a second connecting pipe (8) are fixedly installed on the inner wall, close to each other, of the two oil tanks (4) in a sealing mode respectively, one end of the first connecting pipe (7) extends into the lifting box (2) and is fixedly connected with the inner wall of the bottom of one side of the lifting box (2) in a sealing mode, one end of the second connecting pipe (8) extends into the lifting box (2) and is fixedly connected with the inner wall of, oil tank (4) internal seal sliding connection has push rod (5), and the one end that two push rods (5) kept away from each other extends to the outside of two oil tanks (4) respectively, the top fixed mounting of base (1) has driving motor (13), and driving motor (13) are connected with two push rod (5) transmissions respectively.

2. The lifting column for lifting a mechanical arm according to claim 1, wherein a piston plate (6) is connected in the oil tank (4) in a sealing and sliding manner, and one ends of the two push rods (5) close to each other are fixedly connected with one sides of the two piston plates (6) far away from each other respectively.

3. The lifting column for lifting the mechanical arm according to claim 1, wherein two limiting rings (15) are symmetrically and fixedly installed in the lifting box (2), a sealing plate (14) is fixedly installed at the bottom end of the lifting column (3), the sealing plate (14) is in sealing sliding connection with the inner wall of the lifting box (2), the sealing plate (14) is located between the two limiting rings (15), a sealing sleeve (16) is fixedly connected to the inner wall of the top of the lifting box (2), and the lifting column (3) penetrates through the sealing sleeve (16) and is in sealing sliding connection with the inner wall of the sealing sleeve (16).

4. The lifting column for lifting the mechanical arm according to claim 1, wherein one end of each push rod (5) far away from each other is fixedly connected with a connecting plate (9), the two connecting plates (9) are fixedly provided with a same screw (10), and the driving motor (13) is in transmission connection with the screw (10).

5. The lifting column for lifting the mechanical arm according to claim 1, wherein a threaded ring (11) is rotatably connected to one side of the top of the base (1), a screw (10) penetrates through the threaded ring (11) and is in threaded connection with the inner wall of the threaded ring (11), a toothed ring (12) is fixedly mounted on one side of the threaded ring (11) and an output shaft of the driving motor (13), and the two toothed rings (12) are meshed.