CN216576322U

CN216576322U - Rotary lifting platform

Info

Publication number: CN216576322U
Application number: CN202122944280.XU
Authority: CN
Inventors: 凌杰祥; 高云; 王亚
Original assignee: Jiangsu Guodian New Energy Equipment Co ltd
Current assignee: Jiangsu Guodian New Energy Equipment Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-05-24
Anticipated expiration: 2031-11-26

Abstract

The utility model relates to a rotary lifting platform which comprises a workbench, wherein a supporting shaft is arranged above the workbench, a lifter for driving the supporting shaft to lift is arranged on the workbench, and a rotary table is rotatably arranged at the top end of the supporting shaft. The rotary lifting platform respectively realizes lifting and rotating driving of the workpiece through the arrangement of the lifter and the rotary table, so that an operator can weld different parts of the workpiece without rotating, and the height of the rotary table can be adjusted at any time according to the specific height of the workpiece, so that the rotary lifting platform can weld the workpiece in a more comfortable posture, further the welding efficiency is improved, and the welding quality is ensured.

Description

Rotary lifting platform

Technical Field

The utility model relates to a lifting platform, in particular to a rotary lifting platform.

Background

At present, when an operator welds certain workpieces, because a plurality of corners of the workpieces positioned in different directions need to be welded, a workbench for placing the workpieces is generally fixed, so that the operator has to rotate around the workpieces to complete the integral welding operation of the workpieces according to the welding position during welding. Operating personnel is at the rotation in-process, and relevant circuit produces the winding easily, and operating personnel often need arrange in order the circuit, and this has not only increased the welded degree of difficulty and operating personnel's intensity of labour, has influenced the beat of production simultaneously, has reduced operating personnel's work efficiency. In addition, because the heights of different products are different, the fixed workbench cannot adjust the height of the fixed workbench, an operator has to adjust the posture of the fixed workbench according to a workpiece with the corresponding height during welding, and often cannot adjust the posture to the optimal posture during welding of products which are too high or too low, so that after the workpiece is welded for a long time, the operator is easy to fatigue, and high-quality welding of the workpiece cannot be guaranteed. Therefore, a workbench which can rotate and adjust the height of the workbench to facilitate the welding of workpieces by operators and ensure the welding quality of the workpieces needs to be designed.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model aims to provide a rotary lifting platform which can rotate and lift so as to facilitate an operator to weld workpieces, improve welding efficiency and ensure welding quality.

The rotary lifting platform comprises a workbench, a support shaft is arranged above the workbench, a lifter for driving the support shaft to lift is arranged on the workbench, and a rotary table is rotatably arranged at the top end of the support shaft.

The arrangement of parts such as worm wheels and worms realizes the lifting of the supporting shaft and the rotating platform.

Furthermore, the rotary lifting platform is characterized in that a connecting block is arranged on the bottom surface of the rotary table, an accommodating groove is formed in the bottom surface of the connecting block, the top end of the supporting shaft is arranged in the accommodating groove, and a bearing is arranged between the top end of the supporting shaft and the inner wall of the accommodating groove.

The friction between the rotating table and the supporting shaft is reduced by the connecting blocks and the bearings. Among them, the bearing is preferably a double row angular contact bearing.

Furthermore, according to the rotary lifting platform, the bottom surface of the rotary table is provided with a plurality of reinforcing ribs which are uniformly distributed around the connecting block, the top surfaces of the reinforcing ribs are fixedly connected with the bottom surface of the rotary table, and the end surfaces of the reinforcing ribs are fixedly connected with the side surfaces of the connecting block.

The arrangement of the reinforcing ribs enables the integral structure of the rotary table to be more stable.

Further, according to the rotary lifting platform, the top end of the screw rod is provided with the jacking support, the bottom end of the supporting shaft is provided with the base plate, and the jacking support is fixedly connected with the base plate through bolts.

The arrangement of the jacking and the chassis enables the whole rotary table to be more stable.

Further, according to the rotary lifting platform, the end of the worm penetrates through the protective cover and is connected with the hand wheel roller.

The arrangement of the hand wheel facilitates the lifting of the rotary table by an operator through the hand wheel.

The rotary lifting platform has the advantages that the rotary lifting platform is provided with the lifter to drive the supporting shaft and the rotary table at the top end of the supporting shaft to lift, so that a workpiece is lifted, and an operator only needs to adjust the height of the rotary table through the lifter when welding workpieces with different heights, so that the operator can weld the workpiece conveniently. Simultaneously, rotationally set up the back shaft in the top of support column, realized the rotation to the work piece, operating personnel need not to rotate just can carry out welding operation to the work piece from different position, and then improved welded efficiency, alleviateed operating personnel's intensity of labour.

The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood and to implement the technical means in accordance with the content of the description, the embodiments of the present invention are described in detail below.

Drawings

FIG. 1 is a perspective view of a rotary lift platform according to one embodiment;

FIG. 2 is a front view of a rotary lift platform according to one embodiment;

FIG. 3 is a left side view of a rotary lift platform according to one embodiment;

FIG. 4 is a diagram illustrating a state of use of a rotary lift platform according to an embodiment;

FIG. 5 is an assembly view of the turntable and the support shaft;

FIG. 6 is a front view of the riser;

fig. 7 is a right side view of the second embodiment of the rotary elevating platform.

In the figure, a workbench 1, a supporting shaft 2, a lifter 3, a rotating platform 4, a protective cover 5, a hand wheel 6, a lifting screw rod 7, a connecting block 8, a containing groove 9, a bearing 10, a reinforcing rib 11, a jacking 12, a chassis 13, a shaft body 14, a connecting flange 15, a first driving motor 17 of a supporting frame 16, a gear 18, a second driving motor 19 and a balancing weight 20.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model, but are not intended to limit the scope of the utility model.

The first embodiment is as follows:

referring to fig. 1 to 6, the rotary lifting platform of the embodiment includes a workbench 1, a supporting shaft 2 is disposed above the workbench, a lifter 3 for driving the supporting shaft to lift is disposed on the workbench, and a rotary table 4 is rotatably disposed at the top end of the supporting shaft.

According to the rotary lifting platform, the lifter is arranged on the workbench to drive the supporting shaft and the rotary table at the top end of the supporting shaft to lift, so that the workpiece is lifted, and therefore when the workpieces with different heights are welded, an operator only needs to adjust the height of the rotary table through the lifter, and the operator can weld the workpieces conveniently. Simultaneously, rotationally set up the back shaft in the top of support column, realized the rotation to the work piece, operating personnel need not to rotate just can carry out welding operation to the work piece from different position, and then improved welded efficiency, alleviateed operating personnel's intensity of labour.

Wherein, the riser can be cylinder, hydro-cylinder, electric jar or manual formula elevating gear, and in this embodiment, the riser is manual formula worm wheel lead screw lift, and it is including locating protection casing 5 of workstation bottom surface, locating the worm gear subassembly in the protection casing, and hand wheel 6 is connected to the output of worm, worm wheel and 7 threaded connection of lift lead screw, and the top of lift lead screw passes the workstation and is connected with the back shaft to the realization is to the raising and lowering functions of back shaft and work piece.

When the worm gear type worm wheel rotating machine works, an operator firstly places a workpiece on the surface of the rotating table, and if the height of the workpiece is higher or lower, the operator rotates the worm through the hand wheel, and the worm drives the worm wheel to rotate. Along with the rotation of worm wheel, the lead screw with worm wheel threaded connection just goes up and down thereupon to drive the back shaft of being connected with, the revolving stage on back shaft top and the work piece on revolving stage surface go up and down, until the work piece goes up and down to suitable height. During welding, an operator can rotate the rotating platform around the supporting shaft in a manual mode to drive the workpiece on the surface of the rotating platform to rotate, so that the operator can weld different parts of the workpiece conveniently.

Wherein the working table is arranged at the top end of the supporting frame 16 so as to facilitate the installation of the lifter.

Preferably, the rotary lifting platform of the present embodiment is provided with a connecting block 8 on the bottom surface of the rotary table, the bottom surface of the connecting block is provided with an accommodating groove 9, the top end of the supporting shaft is disposed in the accommodating groove, and a bearing 10 is further disposed between the top end of the supporting shaft and the inner wall of the accommodating groove.

The friction between the rotating platform and the supporting shaft is reduced due to the arrangement of the connecting block and the bearing. Among them, the bearing is preferably a double row angular contact bearing.

Preferably, the rotatory lift platform of this embodiment, the bottom surface of revolving stage is equipped with a plurality of strengthening ribs 11 around the even subsection of connecting block, and the top surface of strengthening rib links firmly with the bottom surface of revolving stage, and the terminal surface of strengthening rib links firmly with the side of connecting block.

In this embodiment, the connecting block is cylindrical connecting block, and its top surface sets firmly in the bottom central authorities of discoid revolving stage, and the strengthening rib is one end thicker, the thinner wedge strengthening rib of the other end, and the thicker one end of wedge strengthening rib sets firmly on the outer peripheral face of cylindrical connecting block.

Preferably, in the rotary lifting platform of the embodiment, the lifter comprises a protective cover 5 fixedly arranged on the bottom surface of the workbench, a worm wheel arranged in the protective cover, a worm meshed with the worm wheel, and a lifting screw rod 7 in threaded fit with the worm wheel, and the top end of the lifting screw rod penetrates through the workbench and is connected with the supporting shaft.

Specifically, the inner side of a middle hole of the worm wheel is provided with an internal thread meshed with the lifting screw rod, and the outer side of the internal thread is matched with the worm. When the worm rotates, the worm wheel also rotates along with the worm, and drives the lifting screw rod in the middle of the worm wheel and in threaded connection with the worm wheel to move along the vertical direction, so that the lifting function of the rotating table and the workpiece is realized.

Preferably, in the rotary lifting platform of the embodiment, the top end of the screw rod is provided with a jacking 12, the bottom end of the supporting shaft is provided with a base plate 13, and the jacking is fixedly connected with the base plate through a bolt.

In this embodiment, the supporting shaft includes a shaft body 14 and a connecting flange 15 at the bottom end of the shaft body, and the connecting flange is connected with the chassis through a bolt.

Preferably, in the rotary lifting platform of the embodiment, the end of the worm passes through the protective cover and is in contact with the hand wheel 6.

The setting of hand wheel has made things convenient for operating personnel to realize the lift to the revolving stage through the hand wheel, in addition, also can realize the electric drive to the worm through the motor to further improve its automation level.

Example two:

referring to fig. 7, the rotary lifting platform of the present embodiment is based on the rotary lifting platform of the present embodiment, and adds the following technical contents. Specifically, the surface of the chassis of the rotary lifting platform of the embodiment is provided with a first driving motor 17, the circumferential surface of the connecting block is provided with teeth, the output end of the first driving motor is provided with a gear 18 meshed with the circumferential surface of the connecting block, the first driving motor can drive the gear to rotate, and then the connecting block meshed with the first driving motor and the rotary table fixedly connected with the connecting block are driven to rotate, so that the automatic rotary driving of the workpiece is realized.

In addition, still set up second driving motor 19 on its support frame, the output shaft of second driving motor passes through the end connection of belt drive assembly and worm to the realization is to the drive function of lift.

An operator can control the first driving motor or the second driving motor by operating the corresponding buttons on the surface of the workbench so as to realize the rotating and lifting functions respectively.

Wherein the first drive motor is preferably a stepper motor. So as to realize the accurate drive of the rotating platform.

Preferably, a counterweight 20 is further disposed on the other side of the chassis to balance the pressure of the first driving motor on the chassis.

The above are only preferred embodiments of the present invention, which are used to assist the skilled person in implementing the corresponding technical solutions, and are not used to limit the scope of the present invention, which is defined by the appended claims. It should be noted that, for those skilled in the art, on the basis of the technical solution of the present invention, several modifications and variations can be made equivalent thereto, and these modifications and variations should also be regarded as the protection scope of the present invention. Also, it should be understood that although the present description has been described in terms of the above embodiments, not every embodiment may include only a single embodiment, and such description is for clarity only, and those skilled in the art will recognize that the description is taken as a whole, and that the embodiments may be suitably combined to form other embodiments as will be appreciated by those skilled in the art.

Claims

1. A rotary lifting platform, comprising a workbench (1), characterized in that: the top of workstation is provided with back shaft (2), is provided with riser (3) that the drive back shaft goes up and down on the workstation, and the rotatable revolving stage (4) that is equipped with in top of back shaft, the riser including set firmly in protection casing (5) of workstation bottom surface, locate the worm wheel in the protection casing, with worm wheel meshing's worm, with worm wheel screw-thread fit's lift lead screw (7), the top of lift lead screw pass the workstation and with the back shaft is connected.

2. The rotary lift platform of claim 1, wherein: the bottom surface of revolving stage is provided with connecting block (8), and the bottom surface of connecting block is provided with storage tank (9), the top of back shaft sets up in the storage tank, still is provided with bearing (10) between back shaft top and the storage tank inner wall.

3. The rotary lift platform of claim 2, wherein: the bottom surface of revolving stage is equipped with a plurality of strengthening ribs (11) around the even subsection of connecting block, and the top surface of strengthening rib links firmly with the bottom surface of revolving stage, and the terminal surface of strengthening rib links firmly with the side of connecting block.

4. The rotary lift platform of claim 1, wherein: the top end of the screw rod is provided with a jacking support (12), the bottom end of the supporting shaft is provided with a base plate (13), and the jacking support is fixedly connected with the base plate through bolts.

5. The rotary lift platform of claim 1, wherein: the end part of the worm penetrates through the protective cover and is connected with a roller of a hand wheel (6).