CN210818146U

CN210818146U - Working platform with automatic turnover device for hanging welding

Info

Publication number: CN210818146U
Application number: CN201921277403.5U
Authority: CN
Inventors: 郑风
Original assignee: Changzhou Hengli Steel Structure Manufacturing Co ltd
Current assignee: Changzhou Hengli Steel Structure Manufacturing Co ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-06-23
Anticipated expiration: 2029-08-07

Abstract

The utility model relates to a work platform for hanging welding has automatic turning device, including chassis, adjustable shelf, mount, tilting mechanism, elevating system and direction subassembly, tilting mechanism sets up the one end on chassis length direction, the mount sets up in tilting mechanism's one side, the adjustable shelf sets up the one side of keeping away from tilting mechanism in the mount, tilting mechanism respectively with chassis fixed connection, adjustable shelf and chassis sliding connection, tilting mechanism includes casing, drive assembly, a plurality of upset subassembly, drive assembly and drive assembly set up in the casing, the rotation of upset subassembly is passed through the drive assembly by drive assembly and is driven, elevating system and direction mechanism set up between chassis and casing, and is a plurality of direction mechanism evenly sets up. The utility model discloses have and carry out automatic upset to hanging, reduce workman's burden, improve the effect to the upset efficiency of hanging.

Description

Working platform with automatic turnover device for hanging welding

Technical Field

The utility model belongs to the technical field of the technique of welding production device and specifically relates to a work platform that is used for hanging welding to have automatic turning device.

Background

The hanger is a part in the boiler and is used for hanging and fixing components such as a coiled pipe and the like. The boiler industry requires a large number of hangers, all of which are made by hand welding. During welding, a worker firstly spot-welds the welding sheet on the pipe according to a certain distance, the welding of the hanger usually needs to turn the hanger for multiple times so as to ensure the welding quality of the hanger, then one surface is welded firstly, and the other surface is welded after the pipe is turned. The existing hanging production has the following defects: the workman needs the manual work to hang the upset at welding process, increases workman's burden to the upset efficiency to hanging is lower.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a work platform for hanging welding has automatic turning device, it has carries out automatic upset to hanging, reduces workman's burden, improves the effect to the upset efficiency of hanging.

The above object of the present invention is achieved by the following technical solutions:

a work platform for hanging welding has automatic turning device, including chassis, adjustable shelf, mount, tilting mechanism, elevating system and direction subassembly, tilting mechanism sets up the one end on chassis length direction, the mount sets up in one side of tilting mechanism, adjustable shelf 3 sets up the one side of keeping away from tilting mechanism in the mount, tilting mechanism respectively with chassis fixed connection, adjustable shelf 3 and chassis sliding connection, tilting mechanism includes casing, drive assembly, a plurality of upset subassembly, drive assembly and drive assembly set up in the casing, the rotation of upset subassembly is passed through the drive assembly by drive assembly and is driven, elevating system and guiding mechanism set up between chassis and casing, and is a plurality of guiding mechanism evenly sets up.

By adopting the technical scheme, in the process of welding the workpiece, the driving assembly drives the overturning assembly to rotate through the transmission assembly, so that the workpiece is driven to overturn, workers do not need to overturn the workpiece, the labor intensity of the workers is reduced, and the overturning efficiency of the hanger is improved.

The utility model discloses further set up to: the drive assembly includes chain, drive sprocket, driven sprocket and axis of rotation, the axis of rotation rotates with the casing to be connected, drive sprocket fixed connection is in the axis of rotation, keeps away from drive assembly's adjacent fixedly connected with passes through chain drive's driven sprocket with drive sprocket in the axis of rotation.

Through adopting above-mentioned technical scheme, the bearing capacity of chain drive is high, and is efficient, and the effort that acts on the axis of rotation is little.

The utility model discloses further set up to: the turnover assembly comprises a turnover seat and a fixing assembly used for fixing a workpiece, one side of the turnover seat, far away from the fixing frame, is fixedly connected with the rotating shaft, and the fixing assembly is arranged on one side of the turnover seat, close to the fixing frame.

Through adopting above-mentioned technical scheme, fix the work piece through fixed subassembly, avoid taking place relative displacement between work piece and the tilting mechanism and influence welding quality.

The utility model discloses further set up to: the fixing assembly comprises a stud and a butterfly nut, the stud is fixedly connected with one side, close to the fixing frame, of the turnover seat, and the butterfly nut is in threaded fit with the stud.

By adopting the technical scheme, generally, the common nuts need to be screwed by means of tools, the transverse stress surface is enlarged by the butterfly arrangement of the butterfly nut, so that workers do not need to use tools when screwing, the workers can directly screw the nuts by hands, the time for searching the tools is shortened, and the efficiency is improved.

The utility model discloses further set up to: the mount includes first support body and a plurality of first support frame, the adjustable shelf includes second support body and a plurality of second support frame, first support frame and second support frame fixed connection respectively keep away from one side of chassis in first support body and second support body, first support frame and second support frame are along sharp evenly distributed on the width direction of chassis, equal a plurality of universal balls of fixedly connected with on first support frame and the second support frame, it is a plurality of universal ball sets up about axis of rotation bisymmetry, universal ball set up in the downside of work piece and with work piece roll connection.

By adopting the technical scheme, the universal ball supports the workpiece, so that the friction of the workpiece during overturning and the friction of the movable frame relative to the workpiece during position adjustment are converted into rolling friction, and the abrasion of a device for supporting the workpiece on the surface of the workpiece during overturning is reduced.

The utility model discloses further set up to: the chassis is fixedly connected with a guide rail, and the bottom of the second frame body is provided with a roller rotatably connected with the slide rail.

Through adopting above-mentioned technical scheme, the guide rail leads to adjustable shelf 3, makes the adjustable shelf can only slide along the length direction of chassis, makes the adjustable shelf can support the work piece of different length, avoids the work piece length overlength to keep away from the unable quilt of one end of tilting mechanism and supports, avoids the work piece to keep away from the one end bending of tilting mechanism.

The utility model discloses further set up to: the lifting mechanism comprises a driving cylinder, and an output shaft of the driving cylinder is fixedly connected to the bottom of the shell, and the cylinder body is fixedly connected with the bottom frame.

By adopting the technical scheme, the driving cylinder drives the turnover mechanism to move up and down, so that the working platform adjusts the height of the working platform according to workpieces with different inner diameters, the axis of the rotating shaft is overlapped with the axis of the workpieces, and the welding quality of the workpieces is improved.

The utility model discloses further set up to: the direction subassembly includes inner prop and cover post, cover post and chassis fixed connection, the casing is worn to locate by the one end that the chassis was kept away from to the inner prop, the inner prop is worn to locate in the cover post and is slided with the cover post and be connected, the one end threaded connection that the chassis was kept away from to the inner prop has the nut, the terminal surface and the casing butt of chassis are kept away from to the nut, be provided with the spring between cover post and the nut, the inner prop is located to the spring housing, the chassis is kept away from to the elasticity direction of spring.

Through adopting above-mentioned technical scheme, the spring makes the nut can and casing butt all the time, makes the relative position of inner prop and casing remain throughout fixed, leads to the casing, avoids the casing to take place relative rotation around the actuating cylinder on the plane that is on a parallel with the chassis at the in-process of up-and-down motion, influences the welding quality of work piece.

To sum up, the utility model discloses a beneficial technological effect does:

1. in the process of welding the workpiece, the driving assembly drives the overturning assembly to rotate through the transmission assembly, so that the workpiece is driven to overturn, workers do not need to overturn the workpiece, the labor intensity of the workers is reduced, and the overturning efficiency of the hanger is improved;

2. the chain transmission has high bearing capacity and high efficiency, and the acting force acting on the rotating shaft is small;

3. the spring makes the nut can all the time with the casing butt, makes the relative position of interior post and casing remain throughout fixed, leads to the casing, avoids the casing to take place relative rotation around the actuating cylinder on the plane that is on a parallel with the chassis at the in-process of up-and-down motion, influences the welding quality of work piece.

Drawings

FIG. 1 is the overall structure of the working platform for hanging welding with automatic turnover device.

Fig. 2 is a schematic view of the overall structure of the turnover mechanism.

Fig. 3 is a schematic view of the overall structure of the flip assembly.

Fig. 4 is a schematic view of the construction of the lifting mechanism and the guide assembly.

Fig. 5 is a schematic view of the overall structure of the fixing frame.

Fig. 6 is a schematic view of the overall structure of the movable frame.

In the figure, 1, a chassis; 11. a guide rail; 2. a fixed mount; 21. a first frame body; 22. a first support frame; 3. a movable frame; 31. a second frame body; 32. a second support frame; 33. a roller; 3331. a guide groove; 4. a turnover mechanism; 41. a housing; 42. a transmission assembly; 421. double-row chain wheels; 422. a rotating shaft; 423. a bearing; 424. a bearing seat; 43. a drive assembly; 44. a turnover assembly; 441. a turning seat; 442. a fixing assembly; 4421. a stud; 4422. a butterfly nut; 5. a lifting mechanism; 51. a drive cylinder; 6. a guide assembly; 61. an inner column; 62. sleeving a column; 63. a nut; 64. a spring; 7. a universal ball; 71. a fixed seat; 72. a sphere.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a work platform for hanging welding has automatic turning device, including chassis 1, adjustable shelf 3, mount 2, tilting mechanism 4, elevating system 5 and direction subassembly 6. Tilting mechanism 4 sets up in the ascending one end of chassis 1 length direction, and mount 2 sets up in one side of tilting mechanism 4, and adjustable shelf 3 sets up in one side that tilting mechanism 4 was kept away from to mount 2, and elevating system 5 and guide assembly 6 set up in the top of chassis 1.

Referring to fig. 2 and 3, the turnover mechanism 4 (see fig. 1) includes a housing 41, a transmission assembly 42, a driving assembly 43, and four turnover assemblies 44. Disposed within housing 41 are a transmission assembly 42 and a drive assembly 43. The driving assembly 43 is provided as a servo motor, and the transmission assembly 42 includes a chain, a double sprocket 421 and a rotating shaft 422. The axis of the rotating shaft 422 is parallel to the length direction of the bottom frame 1, the housing 41 is fixedly connected with bearing seats 424 through bolts, the bearing seats 424 are respectively arranged at two ends of the rotating shaft 422, the bearing 423 is installed in the bearing seat 424, the rotating shaft 422 penetrates through the bearing 423, the double-row chain wheel 421 is fixedly connected with the rotating shaft 422, two chain wheels of the double-row chain wheel 421 are respectively a driving chain wheel and a driven chain wheel, two adjacent double-row chain wheels 421 are in chain transmission, the rotating shaft 422 at one end close to the servo motor is fixedly connected with an output shaft of the servo motor, and the output shaft of the servo motor drives four rotating shafts 422 to simultaneously rotate to drive four.

Referring to fig. 2 and 3, the flipping unit 44 includes a flipping base 441 and a fixing unit 442 for fixing the workpiece, and a side of the flipping base 441 away from the fixing frame 2 is fixedly connected to the rotating shaft 422. The fixing assembly 442 comprises a stud 4421 and a butterfly nut 4422, the stud 4421 is arranged on one side of the overturning seat 441 close to the fixing frame 2, and the butterfly nut 4422 is in threaded fit with the stud 4421 to fix the first workpiece.

Referring to fig. 4, the lifting mechanism 5 includes a driving cylinder 51, a cylinder body of the driving cylinder 51 is fixedly connected to the chassis 1, an output shaft is fixedly connected to a bottom end of the housing 41, the driving cylinder 51 is provided as an air cylinder, and the driving cylinder 51 drives the housing 41 to move up and down.

Referring to fig. 4, the guide member 6 is provided with four corners disposed at the housing 41, respectively, and the guide member 6 includes an inner post 61 and a sleeve post 62. The lower end of the sleeve column 62 is fixedly connected with the underframe 1. Through holes corresponding to the positions and the number of the inner columns 61 are formed in the shell 41, and one ends, far away from the bottom frame 1, of the inner columns 61 penetrate through the through holes of the shell 41. One end of the inner column 61 close to the chassis 1 penetrates through the sleeve column 62 and is connected with the sleeve column 62 in a sliding mode, one end, far away from the chassis 1, of the inner column 61 is connected with a nut 63 in a threaded mode, one end, far away from the chassis 1, of the nut 63 abuts against the bottom of the shell 41, a spring 64 is arranged between the sleeve column 62 and the nut 63, the spring 64 is sleeved on the inner column 61, two ends of the spring 64 abut against the sleeve column 62 and the nut 63 respectively, the spring 64 is set to be a compression spring 64, the elastic force direction of the spring 64 faces towards the shell 41, the spring 64 enables the nut 63 to abut against the shell 41 all the time, the relative position of the inner column 61 and the shell 41 is kept fixed all the time, the shell 41 is guided, and the shell 41 is prevented from rotating around the driving cylinder 51 on a plane parallel to the chassis.

Referring to fig. 5, the fixing frame 2 includes a first frame body 21 and four first support frames 22, the bottom of the first frame body 21 is fixedly connected to the base frame 1 through bolts, the four first support frames 22 are arranged, the four first support frames 22 are uniformly distributed along the width direction of the base frame 1, and the four first support frames 22 are fixedly connected to one side of the first frame body 21 away from the base frame 1 through welding.

Referring to fig. 6, the movable frame 3 includes a second frame body 31 and a second support frame 32. The number of the second support frames 32 is four, the four second support frames 32 are linearly and uniformly distributed along the width direction of the underframe 1, the positions of the four second support frames correspond to those of the first support frames 22, and the second support frames 32 are fixedly connected with one side, far away from the underframe 1, of the second frame body 31 through welding. The bottom of second support body 31 is rotated and is connected with gyro wheel 33, gyro wheel 33 has four two bisymmetry settings, two guide rail 11 of fixedly connected with (see fig. 1) on chassis 1, two guide rail 11 symmetries set up in chassis 1's both sides, two guide rail 11 extend to the direction of keeping away from tilting mechanism 4, guide rail 11's cross sectional shape sets up to triangle-shaped, seted up on the gyro wheel 33 with guide rail 11 assorted guide slot 3331, it is comparatively convenient when triangle-shaped guide rail 11 makes the installation of adjustable shelf 3, make guide rail 11 and the groove on the pulley ability automatic positioning when the installation, reduce the positioning time of staff to adjustable shelf 3.

Referring to fig. 5 and 6, in order to reduce the friction of the movable frame 3 and the fixed frame 2 during the turnover of the workpiece during the welding process, four universal balls 7 are fixedly connected to the first support frame 22 and the second support frame 32, the universal balls 7 are arranged below the workpiece, the four universal balls 7 are symmetrically arranged with respect to the rotating shaft 422 in pairs, each universal ball 7 comprises a fixed seat 71 and a ball 72, a groove for placing the ball 72 is formed in each fixed seat 71, the ball 72 is rotatably connected with the fixed seat 71, the fixed seat 71 is arranged in a cylindrical shape, the axes of the fixed seats 71 of the universal balls 7 arranged in pairs are intersected at one point above the support frames, the friction of the workpiece during the turnover of the universal balls 7 is converted into rolling friction, and the abrasion of the device for supporting the workpiece during the turnover.

The implementation principle of the embodiment is as follows: when the working platform is used, a first workpiece needing to be welded is placed on the turnover seat 441, then the butterfly nut 4422 is adjusted to enable the butterfly nut 4422 to be abutted against the workpiece, the first workpiece is fixed, a second workpiece is placed on the first support frame 22 and the second support frame 32, and the universal ball 7 supports the second workpiece; the welding can be carried out after the workpieces are fixed, when the first workpiece and the second workpiece need to be rotated in the welding process, the servo motor drives the rotating shaft 422 to rotate, and the four overturning seats 441 rotate around the corresponding rotating shafts 422 respectively through the transmission of the chain wheels.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A work platform for hanging welding has automatic turning device, its characterized in that: comprises an underframe (1), a movable frame (3), a fixed frame (2), a turnover mechanism (4), a lifting mechanism (5) and a guide component (6), wherein the turnover mechanism (4) is arranged at one end of the underframe (1) in the length direction, the fixed frame (2) is arranged at one side of the turnover mechanism (4), the movable frame (3) is arranged at one side of the fixed frame (2) far away from the turnover mechanism (4), the fixed frame (2) and the turnover mechanism (4) are respectively and fixedly connected with the underframe (1), the movable frame (3) is in sliding connection with the underframe (1), the turnover mechanism (4) comprises a shell (41), a transmission component (42), a driving component (43) and a plurality of turnover components (44), the transmission component (42) and the driving component (43) are arranged in the shell (41), the rotation of the turnover components (44) is driven by the driving component (43) through the transmission component (42), the lifting mechanism (5) and the guide assemblies (6) are arranged between the bottom frame (1) and the shell (41), and the guide assemblies (6) are uniformly arranged.

2. The work platform with automatic turnover device for hanging welding according to claim 1, characterized in that: drive assembly (42) include chain, drive sprocket, driven sprocket and axis of rotation (422), axis of rotation (422) are rotated with casing (41) and are connected, drive sprocket fixed connection is in axis of rotation (422), keeps away from drive assembly (43) adjacent fixedly connected with passes through chain drive's driven sprocket with drive sprocket on axis of rotation (422).

3. The work platform with automatic turnover device for hanging welding according to claim 2, characterized in that: the turnover assembly (44) comprises a turnover seat (441) and a fixing assembly (442) used for fixing a workpiece, one side, far away from the fixed frame (2), of the turnover seat (441) is fixedly connected with the rotating shaft (422), and the fixing assembly (442) is arranged on one side, close to the fixed frame (2), of the turnover seat (441).

4. The work platform with automatic turnover device for hanging welding according to claim 3, characterized in that: the fixing assembly (442) comprises a stud (4421) and a butterfly nut (4422), the stud (4421) is fixedly connected with one side, close to the fixed frame (2), of the turnover seat (441), and the butterfly nut (4422) is in threaded fit with the stud (4421).

5. The work platform with automatic turnover device for hanging welding according to claim 2, characterized in that: the utility model discloses a support frame, including chassis (1), mount (2) and universal ball (7), mount (3) include first support body (21) and a plurality of first support frame (22), adjustable shelf (3) include second support body (31) and a plurality of second support frame (32), first support frame (22) and second support frame (32) are fixed connection respectively and keep away from one side of chassis (1) in first support body (21) and second support body (31), first support frame (22) and second support frame (32) are along sharp evenly distributed on the width direction of chassis (1), equal fixedly connected with a plurality of universal balls (7) on first support frame (22) and second support frame (32), and are a plurality of universal ball (7) set up about axis of rotation (422) two liang of symmetry, universal ball (7) set up in the downside of work piece and with work piece roll connection.

6. The work platform with automatic turnover device for hanging welding according to claim 5, characterized in that: fixedly connected with guide rail (11) on chassis (1), second support body (31) bottom is provided with and rotates gyro wheel (33) of being connected with the slide rail.

7. The work platform with automatic turnover device for hanging welding according to claim 1, characterized in that: the lifting mechanism (5) comprises a driving cylinder (51), an output shaft of the driving cylinder (51) is fixedly connected to the bottom of the shell (41), and the cylinder body is fixedly connected with the chassis (1).

8. The work platform with automatic turnover device for hanging welding according to claim 1, characterized in that: the direction subassembly (6) include interior post (61) and cover post (62), cover post (62) and chassis (1) fixed connection, casing (41) are worn to locate by the one end that chassis (1) were kept away from in interior post (61), interior post (61) are worn to locate in cover post (62) and are slided with cover post (62) and be connected, the one end threaded connection that chassis (1) were kept away from in interior post (61) has nut (63), the terminal surface and casing (41) butt that chassis (1) were kept away from in nut (63), be provided with spring (64) between cover post (62) and nut (63), interior post (61) are located in spring (64) cover, chassis (1) is kept away from in the elasticity direction of spring (64).