A kind of compact precise lifting mechanism
Technical field
The utility model is used for body in white and manufactures field, particularly relates to a kind of compact precise lifting mechanism.
Background technology
In automobile manufacturing field, often need vehicle body to be risen or drops to some precise height to process or weld, conventional elevator structure commonly uses cylinder or the transmission of cone tooth carrys out jacking vehicle body, positioning precision is not high, mechanism is huge, need to take larger space, this elevating mechanism makes automobile body welding precision low, and the accessibility of welding procedure is poor.
Utility model content
For solving the problem, the utility model provides a kind of can improve the compact precise lifting mechanism that need be elevated vehicle body welding precision and access for welding.
The utility model solves the technical scheme that its technical problem adopts: a kind of compact precise lifting mechanism, comprise column, lifting tube and leading screw, described lifting tube is provided with some installation positions of installing other tooling devices, described leading screw is vertically contained on described column by the supporting seat of bottom and the holder at top, the motor driving described screw turns described column is equipped with, described leading screw is equipped with nut seat between supporting seat and holder, described column is provided with the guide rail being parallel to described leading screw, described lifting tube is fixedly connected with described nut seat and is contained on described guide rail.
Be further used as the improvement of technical solutions of the utility model, driven pulley with described leading screw coaxial rotation is housed above described holder, the output of described motor connects reductor, described reductor is contained on described column by mount pad, described reductor is equipped with driving pulley, and described driving pulley drives driven pulley by Timing Belt.
Be further used as the improvement of technical solutions of the utility model, described guide rail is equipped with some slide blocks, described lifting tube is contained on described guide rail by described slide block.
Be further used as the improvement of technical solutions of the utility model, also comprise the drag chain laying cable, the two ends of described drag chain are contained on column and lifting tube respectively.
Be further used as the improvement of technical solutions of the utility model, described column be equipped with the lower shield covering internal structure, described lifting tube is equipped with the upper shield covering internal structure.
Be further used as the improvement of technical solutions of the utility model, described installation position comprises some screws.
The beneficial effects of the utility model: in this compact precise lifting mechanism, the power of motor drives leading screw to rotate by drive mechanism, the nut seat that rotarily drives of leading screw does straight line elevating movement along guide rail at vertical direction together with lifting tube, lifting tube is provided with installation position, the tooling device of other any functions can be installed by installation position, realize the transmission of end movement.The utility model can realize precision positioning, improves and need be elevated the precision of automobile body welding and the accessibility of welding.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is the utility model embodiment front view;
Fig. 2 is the front view that the utility model embodiment removes upper shield;
Fig. 3 is the front view after the utility model embodiment removes upper shield, lower shield;
Fig. 4 is the front view after the utility model embodiment removes upper shield, lower shield and lifting tube;
Fig. 5 is the left view after the utility model embodiment removes upper shield, lower shield.
Detailed description of the invention
Referring to figs. 1 through Fig. 5, that show the concrete structure of the preferred embodiment of the utility model.The design feature of each element of the utility model will be described in detail below, if and when being described to direction (upper and lower, left and right, before and after), be with the structure shown in Fig. 4 for reference describes, but actual user of the present utility model is to not limiting to so.
The utility model provides a kind of compact precise lifting mechanism, comprise column 1, lifting tube 2 and leading screw 3, described lifting tube 2 is provided with some installation positions of installing other tooling devices, described installation position comprises 10 screws, the tooling device of other any functions can be installed by screw, realize the transmission of end movement.Described leading screw 3 is vertically contained on described column 1 by the supporting seat 4 of bottom and the holder 5 at top, the motor 6 driving described leading screw 3 to rotate described column 1 is equipped with, described leading screw 3 is equipped with nut seat 7 between supporting seat 4 and holder 5, described lifting tube 2 is fixedly connected with described nut seat 7, described column 1 is provided with the guide rail 8 being parallel to described leading screw 3, described guide rail 8 is equipped with some slide blocks 9, and described lifting tube 2 is contained on described guide rail 8 by described slide block 9.
Driven pulley 10 with described leading screw 3 coaxial rotation is housed above described holder 5, the output of described motor 6 connects reductor 11, described reductor 11 is contained on described column 1 by mount pad 12, described reductor 11 is equipped with driving pulley 13, and described driving pulley 13 drives driven pulley 10 by Timing Belt 14.
The power of motor 6 drives driving pulley 13 by reductor 11, driving pulley 13 drives driven pulley 10 by Timing Belt 14, driven pulley 10 drives leading screw 3 to rotate, and the nut seat 7 that rotarily drives of leading screw 3 does straight line elevating movement together with lifting tube 2, realizes precision positioning.
Also comprise the drag chain 15 laying cable, to protect cable, the two ends of described drag chain 15 are contained on column 1 and lifting tube 2 respectively.
Described column 1 is equipped with the lower shield 16 covering internal structure, lower shield 16 is installed on column 1 and carries out seal protection to substructure.Described lifting tube 2 is equipped with the upper shield 17 covering internal structure, upper shield 17 is installed on lifting tube 2 and carries out seal protection to superstructure.
Certainly, the invention is not limited to above-mentioned embodiment, those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite without prejudice to the utility model spirit, and these equivalent modification or replacement are all included in the application's claim limited range.