CN217750105U

CN217750105U - Workpiece turnover device for turnover type welding robot

Info

Publication number: CN217750105U
Application number: CN202221619276.4U
Authority: CN
Inventors: 卢正荣; 李振雨
Original assignee: Tianjin Zhongshi Robot Technology Co ltd
Current assignee: Tianjin Zhongshi Robot Technology Co ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-11-08
Anticipated expiration: 2032-06-27

Abstract

The utility model relates to the technical field of welding robots, in particular to a workpiece turnover device for a turnover type welding robot, which comprises a bottom frame, wherein the upper parts of two ends of the bottom frame are fixedly connected with supporting sleeve assemblies, two supporting sleeve assemblies are respectively sleeved with a supporting sleeve assembly, the upper parts of the two supporting sleeve assemblies are respectively provided with a fixing device capable of fixing a workpiece, and the bottom frame is provided with a height adjusting device capable of adjusting the height of the fixing device; the height adjusting device comprises two first bearing seats, the two first bearing seats are respectively and fixedly connected to the upper portions of the two ends of the underframe, opposite surfaces of the two first bearing seats are rotatably connected with first rotating shafts, first hand wheels are fixedly connected to the first rotating shafts, and second bearing seats are fixedly connected to the inner sides of the support sleeve assemblies. The utility model discloses, can be according to the height of work piece, adjust fixing device's height.

Description

Workpiece turnover device for turnover type welding robot

Technical Field

The utility model relates to a welding robot technical field specifically is a work piece turning device for convertible welding robot.

Background

When a welding robot is used for welding some workpieces, the workpieces need to be turned over to the surface where the welding position is located, and therefore a workpiece turning device is needed.

The prior publication No. CN208929620U discloses a workpiece turnover device, but this application cannot adjust the height of the positioning surface, and when some workpieces with a higher height are fixed, the gap between the workpiece and the bottom of the base frame is too small, which is not beneficial to welding the workpiece.

In order to solve the problems, a workpiece turnover device for a turnover welding robot is designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a work piece turning device for convertible welding robot can solve the problem that prior art highly can not adjust according to the altitude mixture control turning device's of work piece height.

In order to achieve the above purpose, the utility model provides a following technical scheme: a workpiece turnover device for a turnover welding robot comprises an underframe, wherein the upper parts of two ends of the underframe are fixedly connected with support sleeve assemblies, the two support sleeve assemblies are sleeved with support sleeve assemblies, the upper parts of the two support sleeve assemblies are provided with fixing devices capable of fixing workpieces, and the underframe is provided with a height adjusting device capable of adjusting the height of the fixing devices;

the height adjusting device comprises two first bearing seats, the two first bearing seats are respectively and fixedly connected to the upper portions of the two ends of the underframe, the opposite faces of the two first bearing seats are rotatably connected with first rotating shafts, first hand wheels are fixedly connected to the first rotating shafts, second bearing seats are fixedly connected to the inner sides of the supporting sleeve assemblies, first screw rods are rotatably connected to the inner portions of the second bearing seats, lifting frames are connected to the first screw rods in a threaded mode, the upper portions of the lifting frames are fixedly connected with the inner sides of the supporting sleeve assemblies, and the lower portions of the first screw rods are in transmission connection with one ends of the first rotating shafts.

Optionally, a first bevel gear is fixedly connected to the lower portion of the first screw, a second bevel gear is fixedly connected to one end of the first rotating shaft, and the second bevel gear is engaged with the first bevel gear.

Optionally, the fixing device is divided into a fixed fixing device and a movable fixing device, the fixed fixing device is arranged on one of the supporting sleeve rod assemblies, the movable fixing device is arranged on the other supporting sleeve rod assembly, and the distance between the fixed fixing device and the other supporting sleeve rod assembly can be adjusted.

Optionally, the fixing device includes a third bearing seat, the third bearing seat is fixedly connected to one of the support sleeve rod assemblies, a third rotating shaft is rotatably connected to the inside of the third bearing seat, and a first locating plate is fixedly connected to one end of the third rotating shaft.

Optionally, move fixing device and include fourth bearing, fourth bearing fixed connection is in another support the cover pole subassembly on, the inside rotation of fourth bearing is connected with the internal thread cover, the internal thread connection of internal thread cover has the external screw thread pole, the one end fixedly connected with second locating plate of external screw thread pole, other end fixedly connected with second hand wheel, be provided with on the internal thread cover and be used for driving its pivoted rotary device.

Optionally, the rotary device includes the worm wheel, the inside of worm wheel with interior thread bush fixed connection, with the worm wheel is adjacent support fixedly connected with fifth bearing on the cover rod subassembly, fifth bearing's internal rotation is connected with the second pivot, fixedly connected with worm in the second pivot, the worm with mesh mutually between the worm wheel, the one end fixedly connected with third hand wheel of second pivot, threaded connection has locking screw on the interior thread bush, locking screw's one end can with the external screw thread pole offsets.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model discloses, through the rotation of the first pivot of manual drive, fixing device's height can be adjusted, and then the height of matching the work piece.

2. The utility model discloses, worm wheel and worm meshing can restrict the internal thread cover and rotate, and through the rotation of the external screw thread pole of manual drive, can adjust the interval between second locating plate and the first locating plate, and then the width of matching the work piece.

3. The utility model discloses, support the external screw thread pole through the locking screw, make and keep relative static between external screw thread pole and the internal thread cover, through the rotation of manual drive second pivot this moment, can drive the work piece rotation of having been fixed between first locating plate and second locating plate, convenient welding.

Drawings

Fig. 1 is a schematic structural view of the height adjusting device of the present invention;

fig. 2 is another schematic structural diagram of the height adjusting device of the present invention;

fig. 3 is a schematic structural diagram of the rotating device of the present invention.

In the figure: 11. a chassis; 12. a support sleeve assembly; 13. a support sleeved rod assembly; 14. a first bearing housing; 15. a first rotating shaft; 16. a first hand wheel; 17. a second bearing housing; 18. a first screw; 19. a lifting frame; 20. a first bevel gear; 21. a second bevel gear; 22. a third bearing seat; 23. a third rotating shaft; 24. a first positioning plate; 25. a fourth bearing seat; 26. an internal thread sleeve; 27. an externally threaded rod; 28. a second positioning plate; 29. a second hand wheel; 30. a worm gear; 31. a fifth bearing seat; 32. a second rotating shaft; 33. a worm; 34. a third hand wheel; 35. and locking the screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1 to 3, an embodiment of the present invention provides a workpiece turnover device for a turnover welding robot, including a bottom frame 11, wherein two upper portions of two ends of the bottom frame 11 are fixedly connected with a support sleeve assembly 12, two support sleeve assemblies 12 are sleeved with a support sleeve assembly 13, the upper portions of the two support sleeve assemblies 13 are provided with a fixing device capable of fixing a workpiece, and the bottom frame 11 is provided with a height-adjusting device capable of adjusting the height of the fixing device.

The height adjusting device comprises two first bearing seats 14, the two first bearing seats 14 are respectively and fixedly connected to the upper portions of two ends of the underframe 11, opposite surfaces of the two first bearing seats 14 are rotatably connected with first rotating shafts 15, first hand wheels 16 are fixedly connected to the first rotating shafts 15, second bearing seats 17 are fixedly connected to the inner sides of the supporting sleeve assemblies 12, first screw rods 18 are rotatably connected to the inner portions of the second bearing seats 17, lifting frames 19 are connected to the first screw rods 18 in a threaded mode, the upper portions of the lifting frames 19 are fixedly connected with the inner sides of the supporting sleeve assemblies 13, and the lower portions of the first screw rods 18 are in transmission connection with one ends of the first rotating shafts 15.

On the basis of the embodiment, a first bevel gear 20 is fixedly connected to the lower portion of the first screw rod 18, a second bevel gear 21 is fixedly connected to one end of the first rotating shaft 15, the second bevel gear 21 is meshed with the first bevel gear 20, the first rotating shaft 15 is manually driven to rotate, and then the first screw rod 18 can be driven to rotate through the meshing of the two bevel gears, so that the lifting frame 19 is driven to lift, and the support sleeve rod assembly 13 is driven to lift, so that the height of the fixing device is adjusted to be matched with the height of a workpiece.

On the basis of this embodiment, the fixing device is divided into a fixed fixing device and a movable fixing device, the fixed fixing device is arranged on one of the supporting sleeve rod assemblies 13, the movable fixing device is arranged on the other supporting sleeve rod assembly 13, and the distance between the fixed fixing device and the other supporting sleeve rod assembly can be adjusted.

On the basis of the embodiment, the fixing device comprises a third bearing seat 22, the third bearing seat 22 is fixedly connected to one of the supporting sleeve rod assemblies 13, a third rotating shaft 23 is rotatably connected to the inside of the third bearing seat 22, a first positioning plate 24 is fixedly connected to one end of the third rotating shaft 23, the first positioning plate 24 can rotate through the third rotating shaft 23, a precondition is provided for overturning a workpiece, and a hole position is reserved on the first positioning plate 24 to facilitate installation and fixation with the workpiece.

On the basis of the embodiment, the movable fixing device comprises a fourth bearing seat 25, the fourth bearing seat 25 is fixedly connected to the other supporting sleeve rod assembly 13, an internal thread sleeve 26 is rotatably connected to the inside of the fourth bearing seat 25, an external thread rod 27 is connected to the internal thread of the internal thread sleeve 26, one end of the external thread rod 27 is fixedly connected with a second positioning plate 28, the other end of the external thread rod 27 is fixedly connected with a second hand wheel 29, a hole position is reserved on the second positioning plate 28 and is convenient to mount and fix with a workpiece, when the internal thread sleeve 26 does not rotate, the external thread rod 27 is rotated at the moment to drive the second positioning plate 28 to be close to the first positioning plate 24, the distance between the movable fixing device and the fixed fixing device is adjusted to be matched with the width of the workpiece, and a rotating device for driving the movable fixing device to rotate is arranged on the internal thread sleeve 26.

On the basis of this embodiment, the rotating device includes a worm wheel 30, the interior of the worm wheel 30 is fixedly connected with the internal thread bushing 26, a fifth bearing seat 31 is fixedly connected to the support bushing assembly 13 adjacent to the worm wheel 30, a second rotating shaft 32 is rotatably connected to the interior of the fifth bearing seat 31, a worm 33 is fixedly connected to the second rotating shaft 32, the worm 33 is engaged with the worm wheel 30, when the worm 33 is not rotated in a normal state, the worm 33 blocks the teeth of the worm wheel 30, the worm wheel 30 does not rotate, i.e., the internal thread bushing 26 is restricted from rotating, so that the precondition that the external thread bushing 27 can drive the second positioning plate 28 to approach the first positioning plate 24 is satisfied, one end of the second rotating shaft 32 is fixedly connected with a third hand wheel 34, the worm 33 and the worm wheel 30 are driven to rotate by driving the third hand wheel 34, then the workpiece mounted and fixed between the second positioning plate 28 and the first positioning plate 24 is driven to rotate, which is convenient for welding operation, a locking screw 35 is threadedly connected to the internal thread bushing 26, one end of the locking screw 35 can abut against the external thread bushing 27 when the workpiece is rotated, the workpiece is adjusted, the internal thread bushing 27 and the internal thread bushing 27 can be prevented from rotating relative to the second positioning plate 27, and the internal thread bushing 27 is rotated, when the internal thread bushing 27 and the internal thread bushing 27 is rotated, and the second positioning plate 26 is adjusted, and the internal thread bushing 27 is not rotated, and the internal thread bushing 27 is rotated, and the second positioning plate 26 is adjusted, and the internal thread bushing 27 is adjusted.

Specifically, when the workpiece turnover device for the turnover welding robot is used, the supporting sleeve rod assembly 13 is driven to ascend through clockwise rotation of the first rotating shaft 15, the height of the fixing device is adjusted to be matched with the height of a workpiece, then the second positioning plate 28 is driven to be close to the first positioning plate 24 through clockwise rotation of the external threaded rod 27, the distance between the fixing device and the fixing device is adjusted to be matched with the width of the workpiece, then the second positioning plate 28 is fixedly installed with the workpiece through a hole position on the first positioning plate 24, when the workpiece is driven to turn over during welding, the locking screw 35 is screwed up to abut against the external threaded rod 27, then the second rotating shaft 32 is driven to rotate manually, and the workpiece can be driven to rotate, so that welding is facilitated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a work piece turning device for convertible welding robot, includes chassis (11), its characterized in that: the upper parts of two ends of the underframe (11) are fixedly connected with supporting sleeve assemblies (12), supporting sleeve rod assemblies (13) are sleeved in the two supporting sleeve assemblies (12), fixing devices capable of fixing workpieces are arranged on the upper parts of the two supporting sleeve rod assemblies (13), and a height adjusting device capable of adjusting the height of the fixing devices is arranged on the underframe (11);

the height adjusting device comprises two first bearing seats (14), the two first bearing seats (14) are respectively and fixedly connected to the upper portions of the two ends of the underframe (11), opposite surfaces of the two first bearing seats (14) are rotatably connected with first rotating shafts (15), first hand wheels (16) are fixedly connected to the first rotating shafts (15), second bearing seats (17) are fixedly connected to the inner sides of the support sleeve assemblies (12), first screw rods (18) are rotatably connected to the inner portions of the second bearing seats (17), lifting frames (19) are in threaded connection to the first screw rods (18), the upper portions of the lifting frames (19) are fixedly connected to the inner sides of the support sleeve rod assemblies (13), and the lower portions of the first screw rods (18) are in transmission connection with one ends of the first rotating shafts (15).

2. The workpiece turnover device for the turnover type welding robot as claimed in claim 1, wherein: the lower part of the first screw (18) is fixedly connected with a first bevel gear (20), one end of the first rotating shaft (15) is fixedly connected with a second bevel gear (21), and the second bevel gear (21) is meshed with the first bevel gear (20).

3. The workpiece turnover device for the turnover type welding robot as claimed in claim 1, wherein: the fixing device is divided into a fixed fixing device and a movable fixing device, the fixed fixing device is arranged on one of the supporting sleeve rod assemblies (13), the movable fixing device is arranged on the other supporting sleeve rod assembly (13), and the distance between the fixed fixing device and the other supporting sleeve rod assembly can be adjusted.

4. The workpiece turnover device for the turnover type welding robot as claimed in claim 3, wherein: the fixing device comprises a third bearing seat (22), the third bearing seat (22) is fixedly connected to one of the supporting sleeve rod assembly (13), the third bearing seat (22) is connected to a third rotating shaft (23) in a rotating mode, and a first positioning plate (24) is fixedly connected to one end of the third rotating shaft (23).

5. The workpiece turnover device for the turnover type welding robot as claimed in claim 3, wherein: move fixing device and include fourth bearing seat (25), fourth bearing seat (25) fixed connection is in another support set pole subassembly (13) is last, the inside of fourth bearing seat (25) is rotated and is connected with internal thread cover (26), the inside threaded connection of internal thread cover (26) has external screw thread pole (27), the one end fixedly connected with second locating plate (28) of external screw thread pole (27), second hand wheel (29) of other end fixedly connected with, be provided with on internal thread cover (26) and be used for driving its pivoted rotary device.

6. The workpiece turnover device for the turnover type welding robot as claimed in claim 5, wherein: the rotary device comprises a worm wheel (30), the interior of the worm wheel (30) is fixedly connected with an internal thread sleeve (26), the worm wheel (30) is adjacent to a support sleeve rod assembly (13) on which a fifth bearing (31) is fixedly connected, the interior of the fifth bearing (31) is rotated and connected with a second rotating shaft (32), the second rotating shaft (32) is fixedly connected with a worm (33), the worm (33) is meshed with the worm wheel (30) between, one end of the second rotating shaft (32) is fixedly connected with a third hand wheel (34), the internal thread sleeve (26) is connected with a locking screw (35) in a threaded manner, and one end of the locking screw (35) can be abutted against an external thread rod (27).