CN217230120U

CN217230120U - Built-in lead screw lifting mechanism

Info

Publication number: CN217230120U
Application number: CN202123434551.3U
Authority: CN
Inventors: 刘长政; 高新庆
Original assignee: Shandong Time Machinery Technology Co ltd
Current assignee: Shandong Time Machinery Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-08-19
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a built-in lead screw elevating system, comprises a workbench, workstation bottom four corners department all is provided with the support column, be provided with elevating system between support column and the workstation, four elevating system pass through the drive mechanism transmission and connect, the top of workstation is provided with drive arrangement, drive arrangement is connected with one of them elevating system, be provided with protector between workstation and the support column. The lifting mechanism is arranged above the four supporting columns, and the synchronous motion of the four lifting mechanisms is realized through the driving device and the transmission mechanism, thereby improving the synchronism and stability of the lifting device and avoiding the damage of the lifting device; meanwhile, the lower part of the screw rod can be movably arranged in the screw rod channel, the upper part of the screw rod is protected by the protective device, dust and sundries cannot be adhered to the surface of the screw rod, and the service life of the lifting mechanism is prolonged.

Description

Built-in lead screw lifting mechanism

Technical Field

The utility model relates to an elevating system technical field, specific built-in lead screw elevating system that says so.

Background

At present, in the storage and warehouse-in and warehouse-out logistics of articles in various industries, goods are frequently required to be lifted between stations, and therefore equipment is required to have a lifting function. The traditional lifting device mostly adopts an electric telescopic rod or a hydraulic oil cylinder to realize lifting, and one lifting device needs to be matched by a plurality of electric telescopic rods or hydraulic oil cylinders together to complete lifting. However, the lifting is independently completed by the electric telescopic rods or the hydraulic oil cylinders, and no transmission connection relation exists between the electric telescopic rods or the hydraulic oil cylinders, so that the lifting synchronism is poor, the stability of the lifting device cannot be guaranteed, when a certain electric telescopic rod or a certain hydraulic oil cylinder breaks down, the lifting device is easily damaged, a large amount of dust and sundries can be adhered to the electric telescopic rods or the hydraulic oil cylinders when the electric telescopic rods or the hydraulic oil cylinders are exposed outside, and the service life of the lifting device is also influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the not enough of prior art existence, and provide a built-in lead screw elevating system.

For solving the technical problem, the utility model discloses a built-in lead screw elevating system, comprises a workbench, workstation bottom four corners department all is provided with the support column, be provided with elevating system between support column and the workstation, four elevating system pass through the drive mechanism transmission and connect, the top of workstation is provided with drive arrangement, drive arrangement is connected with one of them elevating system, be provided with protector between workstation and the support column.

Further, elevating system includes lead screw and stand, the top of lead screw is rotated and is set up the bottom at the workstation, the fixed inside that sets up at the support column of stand, the inside of stand is provided with the lead screw passageway, the fixed lead screw nut that is provided with in top of stand, lead screw and lead screw nut screw-thread fit.

Furthermore, drive mechanism includes sprocket and chain, the fixed setting of sprocket is on the upper portion of lead screw, and four sprockets pass through chain drive and connect.

Furthermore, the driving device comprises a motor and a gearbox, the gearbox is fixedly arranged at the top of the workbench, the output end of the gearbox is fixedly connected with the top end of the lead screw, the motor is fixedly connected to the gearbox, and the output end of the motor is fixedly connected with the input end of the gearbox.

Furthermore, protector includes guard shield and lower guard shield, go up the fixed lower outside that sets up at the workstation of guard shield, the guard shield snare sets up the outside at four support columns down, the inside at last guard shield of guard shield slip suit is down gone up to the guard shield.

Further, the height of the upright post is greater than that of the support column.

To sum up, the utility model discloses following beneficial effect has:

the lifting mechanism is arranged above the four supporting columns, and the synchronous motion of the four lifting mechanisms is realized through the driving device and the transmission mechanism, so that the synchronism and the stability of the lifting device are improved, and the damage of the lifting device is avoided; meanwhile, the lower part of the screw rod can be movably arranged in the screw rod channel, the upper part of the screw rod is protected by the protective device, dust and sundries cannot be adhered to the surface of the screw rod, and the service life of the lifting mechanism is prolonged.

Drawings

The invention will be described in further detail with reference to the following drawings and embodiments:

fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is an enlarged view of the lift mechanism of FIG. 2;

FIG. 4 is an enlarged view of the transmission mechanism of FIG. 2;

FIG. 5 is an enlarged view of the drive arrangement of FIG. 2;

fig. 6 is a front sectional view of the present invention.

In the figure: the device comprises a workbench 1, a support column 2, a lifting mechanism 3, a screw 31, a screw nut 32, a column 33, a screw channel 34, a transmission mechanism 4, a chain wheel 41, a chain 42, a driving device 5, a motor 51, a gear box 52, a protection device 6, an upper protection cover 61 and a lower protection cover 62.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, embodiments of the present invention are combined to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

The invention will be further described with reference to the accompanying drawings:

according to the attached drawings 1-6, a built-in lead screw lifting mechanism comprises a workbench 1, support columns 2 are arranged at four corners of the bottom of the workbench 1, a lifting mechanism 3 is arranged between the support columns 2 and the workbench 1, the lifting mechanism 3 comprises a lead screw 31 and an upright post 33, the top end of the lead screw 31 is rotatably arranged at the bottom of the workbench 1, the upright post 33 is fixedly arranged inside the support columns 2, the height of the upright post 33 is larger than that of the support column 2, a lead screw channel 34 is arranged inside the upright post 33, a lead screw nut 32 is fixedly arranged at the top of the upright post 33, the lead screw 31 is in threaded fit with the lead screw nut 32, the four lifting mechanisms 3 are in transmission connection through a transmission mechanism 4, the transmission mechanism 4 comprises a chain wheel 41 and a chain 42, the chain wheel 41 is fixedly arranged at the upper part of the lead screw 31, the four chain wheels 41 are in transmission connection through the chain 42, a driving device 5 is arranged at the top of the workbench 1, the driving device 5 is connected with one of the lifting mechanisms 3, the driving device 5 comprises a motor 51 and a gearbox 52, the gearbox 52 is fixedly arranged at the top of the workbench 1, the output end of the gearbox 52 is fixedly connected with the top end of the lead screw 31, the motor 51 is fixedly connected onto the gearbox 52, the output end of the motor 51 is fixedly connected with the input end of the gearbox 52, a protection device is arranged between the workbench 1 and the support columns 2, the protection device comprises an upper protection cover 61 and a lower protection cover 62, the upper protection cover 61 is fixedly arranged on the outer side of the lower portion of the workbench 1, the lower protection cover 62 is annularly sleeved outside the four support columns 2, and the lower protection cover 62 is slidably sleeved inside the upper protection cover 61.

When the lifting device is used, goods are placed on the workbench 1, the starting motor 51 drives the lead screws connected with the starting motor to rotate, and the four lead screws 31 are driven to synchronously rotate through the chain wheel 41 and the chain 42, so that the four lifting mechanisms 3 synchronously ascend or descend, the synchronism and the stability of the lifting devices 3 are improved, and the damage to the lifting devices 3 is avoided; the lower part of the screw 31 is movably arranged in the screw channel 34, the upper part of the screw 31 is protected by an upper shield 61 and a lower shield 62 which are matched with each other, dust and sundries cannot be adhered to the surface of the screw 31, and the service life of the lifting mechanism is prolonged.

To sum up, the present invention is not limited to the above-mentioned specific embodiments. Those skilled in the art may make numerous changes and modifications without departing from the spirit and scope of the present invention. The protection scope of the present invention shall be subject to the claims of the present invention.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Claims

1. The utility model provides a built-in lead screw elevating system, includes workstation (1), its characterized in that, workstation (1) bottom four corners department all is provided with support column (2), be provided with elevating system (3) between support column (2) and workstation (1), four elevating system (3) are connected through drive mechanism (4) transmission, the top of workstation (1) is provided with drive arrangement (5), drive arrangement (5) are connected with one of them elevating system (3), be provided with protector (6) between workstation (1) and support column (2).

2. A built-in lead screw lifting mechanism according to claim 1, wherein the lifting mechanism (3) comprises a lead screw (31) and a column (33), the top end of the lead screw (31) is rotatably arranged at the bottom of the workbench (1), the column (33) is fixedly arranged inside the supporting column (2), a lead screw channel (34) is arranged inside the column (33), a lead screw nut (32) is fixedly arranged at the top of the column (33), and the lead screw (31) is in threaded fit with the lead screw nut (32).

3. A screw-in elevating mechanism according to claim 2, wherein the transmission mechanism (4) comprises a chain wheel (41) and a chain (42), the chain wheel (41) is fixedly arranged on the upper part of the screw (31), and the four chain wheels (41) are in transmission connection with the chain (42).

4. A screw elevating mechanism as set forth in claim 3, characterized in that the driving device (5) comprises a motor (51) and a gear box (52), the gear box (52) is fixedly disposed on the top of the worktable (1), the output end of the gear box (52) is fixedly connected to the top end of the screw (31), the motor (51) is fixedly connected to the gear box (52), and the output end of the motor (51) is fixedly connected to the input end of the gear box (52).

5. A lead screw elevating mechanism as set forth in claim 4, characterized in that the guard (6) comprises an upper shield (61) and a lower shield (62), the upper shield (61) is fixedly disposed at the lower outer side of the working table (1), the lower shield (62) is annularly disposed at the outer portion of the four supporting columns (2), and the lower shield (62) is slidably fitted at the inner portion of the upper shield (61).

6. A lead screw jack according to claim 2, wherein the height of the upright (33) is greater than the height of the support column (2).