CN218698783U

CN218698783U - Cantilever shaft motion mechanism

Info

Publication number: CN218698783U
Application number: CN202222882727.XU
Authority: CN
Inventors: 刘家朋
Original assignee: Shanghai X Imaging Info & Tech Co ltd
Current assignee: Shanghai X Imaging Info & Tech Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-03-24
Anticipated expiration: 2032-10-31

Abstract

The utility model relates to a laboratory automation technical field discloses a cantilever axle motion, including setting up drive assembly and the cantilever on a supporting beam, still set up horizontal guide on a supporting beam, drive assembly is connected to the rear end of cantilever, the drive cantilever is displacement on horizontal guide, set up the rack on a supporting beam, drive assembly includes the support, form the space between the both sides board of support, set up two between the both sides board of space below from the driving wheel, set up two pinch rollers between the two boards of space top, establish the synchronous band circle from driving wheel and pinch roller overcoat, the flank of tooth side position of synchronous band circle is in the outside, it establishes the action wheel to circle the pressure at the hold-in range of pinch roller top, the action wheel is by the motor drive in the sideboard outside, the lower extreme and the rack toothing of synchronous band circle are fixed, the support passes through the connecting plate and is connected with the rear end of cantilever. The utility model discloses a drive assembly on a supporting beam realizes that single cantilever independently drives on the rack, reduces the space and occupies, makes equipment structure compact.

Description

Cantilever shaft motion mechanism

Technical Field

The utility model relates to a laboratory automation technical field especially relates to a cantilever axle motion.

Background

In laboratory automation equipment, the most commonly used mechanical arm devices realize X-axis motion by arranging a mechanical arm on a slide rail, and realize motion in XY-axis directions by arranging a Y-axis slide rail on the mechanical arm.

The specific structure is that the X-axis mechanical arm is installed on a corresponding sliding rail, the synchronous belt is driven by a motor to move on the sliding rail, and the length of the synchronous belt determines the accuracy of the displacement. When two arms need carry out X axle direction displacement on the slide rail, just need set up a hold-in range again, carry out the displacement by motor drive.

The structure occupies a large space, is complex to debug, is not beneficial to the miniaturization of products, and can not meet the requirement of working of a plurality of synchronous belts without interference when more X axes are needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the above problem, provide a cantilever axle motion, through a drive assembly on a supporting beam, realize that single cantilever independently drives on the rack, reduce the space and occupy, make equipment structure compact.

The utility model adopts the technical proposal that:

the utility model provides a cantilever axle motion, characterized by, is including setting up drive assembly and the cantilever on a supporting beam, still set up horizontal guide on a supporting beam, the cantilever rear end sets up and realizes the displacement on horizontal guide, drive assembly is connected to the rear end of cantilever, drives the cantilever shifts on horizontal guide, sets up the rack on a supporting beam, drive assembly includes the support, form the space between the both sides board of support, set up two between the both sides board of space below and follow the driving wheel, set up two pinch rollers between the two boards of space top, establish the synchronous band circle from driving wheel and pinch roller overcoat, the flank of tooth side position in the outside of synchronous band circle, the synchronous band circle of pinch roller top is pressed and is established the action wheel, makes the synchronous band circle present the character cut in bas-relief, the action wheel is by the motor drive in the sideboard outside, the lower extreme of synchronous band circle with rack toothing is fixed, the support passes through the connecting plate and is connected with the rear end of cantilever, motor drive action wheel is rotatory, drives the synchronous band circle and rotates, makes drive assembly shifts on the rack, drives the cantilever and move on horizontal guide.

Furthermore, two surfaces of the synchronous belt ring are tooth surfaces, and the driven wheel and the pressing wheel are gears.

Further, the opposite side of a supporting beam sets up the fixed beam, set up the roller on the fixed beam, the free end top of cantilever sets up the gyro wheel, go up the gyro wheel cooperation on the roller, during cantilever motion, it rolls at the roller and supports to go up the gyro wheel.

Further, a lower roller is arranged below the free end of the cantilever and is matched below the roller shaft, and when the cantilever moves, the upper roller and the lower roller are clamped outside the roller shaft to be supported in a rolling mode.

Furthermore, the number of the upper rollers is two, and the number of the lower rollers is three, and the upper rollers and the lower rollers are arranged in a triangular shape.

Further, a tension wheel is further arranged between the two side plates, and the synchronous belt ring is arranged on the tension wheel in a spanning mode.

The utility model has the advantages that:

(1) The single cantilever is driven independently, the structure is simple and compact, and the maintenance is convenient;

(2) On the same slide rail, a plurality of cantilevers can be arranged without mutual interference;

(3) The cantilever structure carries out rigidity through the roller, reduces the free end vibration.

Drawings

FIG. 1 is a schematic view of the structure of the present invention mounted on a frame;

FIG. 2 is a partially enlarged schematic view of the present invention;

FIG. 3 is an enlarged fragmentary view of the drive assembly in the installed position;

FIG. 4 is a partially cut-away schematic view of the drive assembly;

fig. 5 is an enlarged view of the cantilever free end mounting.

The reference numbers in the drawings are respectively:

1. a frame; 2, supporting the beam;

3. a drive assembly; 4, horizontal guide rails;

5. a cantilever; 6, a rack;

7. a support; 8, a side plate;

9. a driven wheel; 10, pressing a wheel;

11. a synchronous belt loop; 12, a tooth surface;

13. a driving wheel; 14. An electric machine;

15. a connecting plate; longitudinal sliding rails;

17. a tension pulley; a fixed beam;

19. a mounting seat; 20, a roll shaft;

21. an upper roller; and 22, a lower roller.

Detailed Description

The detailed description of the cantilever shaft moving mechanism according to the present invention will be made with reference to the accompanying drawings.

Referring to the attached drawings 1 and 2, a cantilever 5-shaft motion mechanism is arranged on a beam of the frame 1, and is used for automatically operating equipment in the frame 1, so that the structure is compact. The driving assembly 3 and the horizontal guide rail 4 are arranged on the supporting beam 2 of the frame 1, the cantilever 5 is arranged on the horizontal guide rail 4, the rear end of the cantilever 5 is arranged on the horizontal guide rail 4 to realize displacement, the driving assembly 3 is connected to the rear end of the cantilever 5, and the driving cantilever 5 is driven to displace on the horizontal guide rail 4.

Referring to the attached

drawings

3 and 4, a rack 6 is arranged on a support beam 2, a driving assembly 3 comprises a support 7, a space is formed between two side plates 8 of the support 7, two driven wheels 9 are arranged between the two side plates 8 below the space, two pressing wheels 10 are arranged between the two side plates 8 above the space, a synchronous belt ring 11 is sleeved outside the driven wheels 9 and the pressing wheels 10, the side of the tooth surface 12 of the synchronous belt ring 11 is positioned on the outer side, a driving wheel 13 is pressed on the synchronous belt ring 11 above the pressing wheels 10, so that the synchronous belt ring 11 is in a concave shape, the driving wheel 13 is driven by a motor 14 on the outer side of the side plates 8, and the tooth surface 12 on the lower end of the synchronous belt ring 11 is meshed with and fixed to the rack 6. The bracket 7 is connected with the rear end of the cantilever 5 through a connecting plate 15, and the motor 14 drives the driving wheel 13 to rotate, so as to drive the synchronous belt ring 11 to rotate, so that the driving component 3 moves on the rack 6, and the cantilever 5 is driven to move on the horizontal guide rail 4. The cantilever 5 is provided with a longitudinal slide rail 16, and functional components are arranged for automatic operation. In addition, a tension pulley 17 is provided between the two side plates 8, and the timing belt 11 is looped over the tension pulley 17.

The synchronous belt 11 can also be selected to have two surfaces which are tooth surfaces 12, and the corresponding driven wheel 9 and the pressing wheel 10 are both gears. More accurate engagement is achieved.

Referring to fig. 2 and 5, a fixed beam 18 is arranged on the opposite side of the support beam 2, a roller shaft 20 is arranged on the fixed beam 18, a mounting seat 19 is arranged at the free end of the cantilever 5, two upper rollers 21 are arranged above the mounting seat 19, the upper rollers 21 are matched on the roller shaft 20, a lower roller 22 is arranged below the upper rollers, and the three rollers are arranged in a triangular shape. The lower roller 22 may achieve an upward pressure on the roller shaft 20 by an elastic mechanism. When cantilever 5 moves, upper roller 21 and lower roller 22 are held outside roller shaft 20 and roll.

During operation, control motor 14 drive action wheel 13 rotates, and action wheel 13 drives synchronous belt circle 11 rotatory, makes whole drive assembly 3 move on rack 6, drives cantilever 5 and is carrying out the displacement along the slide rail, and simultaneously, the free end of cantilever 5 passes through the gyro wheel and realizes fixing a position, prevents the vibration, accomplishes the free movement of X axle direction. On the gear, can increase a plurality of cantilever 5 motion, realize multiaxis simultaneous working, compact structure, mutual noninterference.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A cantilever shaft motion mechanism is characterized in that: including setting up drive assembly and the cantilever on a supporting beam, still set up horizontal guide on a supporting beam, the cantilever rear end sets up and realizes the displacement on horizontal guide, drive assembly is connected to the rear end of cantilever, drives the cantilever displacement on horizontal guide, sets up the rack on a supporting beam, drive assembly includes the support, form the space between the both sides board of support, set up two between the both sides board of space below and follow the driving wheel, set up two pinch rollers between the two boards of space top, establish the synchronous band circle from driving wheel and pinch roller overcoat, the flank of tooth side position in the outside of synchronous band circle, the synchronous band circle of pinch roller top is pressed and is established the action wheel, makes the synchronous band circle present character cut in bas-relief, the action wheel is by the motor drive in the sideboard outside, the lower extreme of synchronous band circle with rack toothing is fixed, the support passes through the connecting plate and is connected with the rear end of cantilever, the motor drive action wheel is rotatory, drives the synchronous band circle and rotates, makes drive assembly displacement on the rack, and drive cantilever moves on horizontal guide.

2. The cantilever shaft motion mechanism of claim 1, wherein: two surfaces of the synchronous belt ring are tooth surfaces, and the driven wheel and the pressing wheel are gears.

3. The cantilever shaft movement mechanism of claim 1, wherein: the offside of a supporting beam sets up the fixed beam, set up the roller on the fixed beam, the free end top of cantilever sets up the gyro wheel, go up the gyro wheel cooperation on the roller, during the cantilever motion, it rolls at the roller and supports to go up the gyro wheel.

4. The cantilever shaft motion mechanism of claim 3, wherein: the cantilever is characterized in that a lower roller is arranged below the free end of the cantilever and is matched below the roller shaft, and the upper roller and the lower roller are clamped outside the roller shaft to roll and support during the motion of the cantilever.

5. The cantilever shaft motion mechanism of claim 3, wherein: the number of the upper rollers is two, and the number of the lower rollers is three, and the upper rollers and the lower rollers are arranged in a triangular shape.

6. The cantilever shaft movement mechanism according to any one of claims 1 to 5, wherein: and a tension wheel is further arranged between the two side plates, and the synchronous belt ring is sleeved and spanned on the tension wheel.