CN213438045U

CN213438045U - Door frame assembly type welding set that precision is high

Info

Publication number: CN213438045U
Application number: CN202022402600.4U
Authority: CN
Inventors: 刘志明
Original assignee: Guangzhou Fengtai Precision Equipment Co Ltd
Current assignee: Guangzhou Fengtai Human Defense Engineering Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-06-15
Anticipated expiration: 2030-10-26

Abstract

The utility model discloses a door frame assembly type welding set that precision is high, including portal frame, workstation, welding module and delivery roll platform, the both sides of portal frame all are equipped with workstation and welding module, the workstation sets up in the bottom of portal frame, welding module sets up in the top of portal frame, the delivery roll platform sets up between two workstations; the top of the conveying roller table is provided with a first roller shaft group and a fixing module, the rotating direction of the first roller shaft group faces the workbench, the fixing module drives the conveying roller table to move up and down through a driving device, and the fixing module is used for positioning four corners of a door frame to be welded; and a second roller set with the same rotating direction and height as the first roller set of the conveying roller table is arranged at the top of the workbench. High door frame assembly type welding set of precision through automatic welding, has solved the not high problem of door frame welded precision.

Description

Door frame assembly type welding set that precision is high

Technical Field

The utility model relates to a civil air defense door technical field, especially a door frame that precision is high is assembled into type welding set.

Background

The civil air defense door is a door at the entrance and exit of civil protection engineering, has more distinct classification, and comprises various civil air defense devices such as common single-leaf and double-leaf protective airtight doors, movable threshold single-leaf and double-leaf protective airtight doors and the like.

The existing civil air defense door is used for manually conveying workpieces to be welded to a welding position by workers and then welding the workpieces, but the welding position is inaccurately positioned by manual conveying.

SUMMERY OF THE UTILITY MODEL

To the above defect, the utility model aims to provide a door frame that precision is high is assembled into type welding set, through automatic welding, has solved the not high problem of door frame welded precision.

To achieve the purpose, the utility model adopts the following technical proposal: a door frame assembly type welding device with high accuracy comprises a portal frame, a workbench, a welding module and a conveying roller table, wherein the workbench and the welding module are arranged on two sides of the portal frame, the workbench is arranged at the bottom of the portal frame, the welding module is arranged at the top of the portal frame, and the conveying roller table is arranged between the two workbenches;

the top of the conveying roller table is provided with a first roller shaft group and a fixing module, the rotating direction of the first roller shaft group faces the workbench, the fixing module drives the conveying roller table to move up and down through a driving device, and the fixing module is used for positioning four corners of a door frame to be welded;

and a second roller set with the same rotating direction and height as the first roller set of the conveying roller table is arranged at the top of the workbench.

For example, the workbench further comprises a plurality of positioning modules, the second roller group comprises a plurality of guide roller shafts, the positioning modules are arranged between two adjacent guide roller shafts, each positioning module is provided with a lifting part, and the direction of each lifting part faces upwards.

It is worth to be noted that the guide roller shafts of the second roller shaft group are arranged at two ends of the workbench.

Optionally, the positioning modules are uniformly distributed around the workbench.

Specifically, the workstation is equipped with four orientation module, orientation module evenly distributed in four angles of workstation.

Preferably, the welding module includes rotating part, first arm, second arm and weld part, the rotating part with the top swivelling joint of portal frame, first arm with the rotating part is articulated, the second arm with first arm is articulated, the terminal swivelling joint of second arm has the weld part.

For example, the first roller group of the conveying roller table includes a plurality of conveying roller shafts.

The utility model has the advantages that: high-precision door frame assembly type welding set, through the combined action of workstation, welding module and delivery roller platform, realized automatic welding to solve the inaccurate problem in welding position, improved door frame welded precision.

The drive means is preferably a pneumatic cylinder. The door frame comprises four frames, the four frames are assembled into the door frame to be welded before use, then a point is welded at the four joints in advance to fix the door frame, and then the four corners of the door frame are fixed on the fixing module. Then the driving device drives the fixing module to descend, the door frame to be welded falls on the upper surface of the first roller shaft group, the door frame to be welded on the upper surface of the first roller shaft group moves to the upper surface of the second roller shaft group along the rotating direction of the first roller shaft group, the door frame to be welded is located between the workbench and the welding module, and then the welding module aligns the welding head of the welding module to the position, needing to be welded, of the door frame to be welded on the upper surface of the second roller shaft group for welding. From carrying the welding and finishing, owing to adopted the machine to replace the manual work, consequently can avoid the error that manual welding brought to door frame welded precision has been improved. Because portal frame both sides all are equipped with workstation and welding module, at the workstation and the welding module of one of them side at the during operation, can also carry the workstation and the welding module of opposite side with another a set of work piece, consequently, the door frame that the precision is high is assembled into type welding set and can be welded two sets of door frames of treating the welding simultaneously to promote production efficiency.

Drawings

Fig. 1 is a top view of an embodiment of the present invention;

fig. 2 is a left side view of an embodiment of the present invention;

FIG. 3 is an enlarged view of the portion circled by the dotted line A in the embodiment of FIG. 2;

fig. 4 is a schematic structural diagram of a welding module according to an embodiment of the present invention.

Wherein: 1, a portal frame; 2, conveying a roller table; 21 fixing the module; 22 a transport roller shaft; 23 a drive device; 3, welding the module; 31 a rotating part; 32 a first arm; 33 a second arm; 34 a welding part; 4, a workbench; 41 a positioning module; 42 guide the roll shaft; 411 to the top.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The following describes an assembly type welding device for a high-precision door frame according to an embodiment of the present invention with reference to fig. 1 to 4, including a portal frame 1, a workbench 4, a welding module 3 and a conveying roller table 2, wherein the workbench 4 and the welding module 3 are respectively disposed on both sides of the portal frame 1, the workbench 4 is disposed at the bottom of the portal frame 1, the welding module 3 is disposed at the top of the portal frame 1, and the conveying roller table 2 is disposed between the two workbenches 4;

the top of the conveying roller table 2 is provided with a first roller shaft group and a fixing module 21, the rotating direction of the first roller shaft group faces the workbench 4, the fixing module 21 drives the conveying roller table 2 to perform lifting motion through a driving device 23, and the fixing module 21 is used for positioning four corners of a door frame to be welded;

and a second roller set with the same rotating direction and height as those of the first roller set of the conveying roller table 2 is arranged at the top of the workbench 4.

High-precision door frame assembly type welding set, through workstation 4, welding module 3 and conveying roller platform 2's combined action, realized automatic welding to solve the inaccurate problem in welding position, improved door frame welded precision.

The driving means 23 is preferably a pneumatic cylinder. The door frame comprises four frames, before the door frame is used, the four frames are assembled into the door frame to be welded, then a point is welded at four connecting positions in advance to be fixed, and then four corners of the door frame are fixed on the fixing module 21. Then the driving device 23 drives the fixing module 21 to descend, the door frame to be welded falls on the upper surface of the first roller set, the door frame to be welded on the upper surface of the first roller set moves to the upper surface of the second roller set along the rotating direction of the first roller set, the door frame to be welded is located between the workbench 4 and the welding module 3, and then the welding module 3 aligns the welding head of the welding module to the position, needing to be welded, of the door frame to be welded on the upper surface of the second roller set for welding. From carrying the welding and finishing, owing to adopted the machine to replace the manual work, consequently can avoid the error that manual welding brought to door frame welded precision has been improved. Because 1 both sides of portal frame all are equipped with workstation 4 and welding module 3, at workstation 4 and the welding module 3 of one of them side at the during operation, can also carry the workstation 4 and the welding module 3 of opposite side with another a set of work piece, consequently, the door frame assembly type welding set that the precision is high can weld two sets of door frames of treating welding simultaneously to promote production efficiency.

In some embodiments, as shown in fig. 2 and 3, the working table 4 further includes a plurality of positioning modules 41, the second roller set includes a plurality of guiding rollers 42, the positioning modules 41 are disposed between two adjacent guiding rollers 42, the positioning modules 41 are provided with lifting portions 411, and the lifting portions 411 face upward.

The positioning module 41 is preferably an air cylinder, and the lifting part 411 is disposed at an output end of the positioning module 41. The door frame body and the rectangular frame are placed on the conveying roller table 2, the door frame to be welded is conveyed to the upper surface of the guide roller shaft 42 of the second roller shaft group of the workbench 4 through the roller shaft of the first roller shaft group of the conveying roller table 2, then the output end of the positioning module 41 drives the lifting part 411 to lift, the lifting part 411 penetrates through the gap between two adjacent guide roller shafts 42 and then lifts the door frame to be welded, the bottom surface of the door frame to be welded leaves the upper surface of the second roller shaft group, and at the moment, the door frame body and the rectangular frame are supported by the positioning module 41, so that the problem that the welding position is wrong due to the fact that the door frame to be welded slides can be avoided when the welding module 3 is welded.

For example, the guide roller shafts 42 of the second roller group are provided at both ends of the table 4.

Because the door frames to be welded are all hollow structures, the frames of the door frames to be welded are only required to be supported during transportation, and compared with the structure that the whole long roll shaft stretches across the two ends of the workbench 4, the structure supports the frames of the door frames to be welded and can also save the material of the lower part of the long roll shaft, which is positioned at the hollow structures of the door frames to be welded, so that the production cost is reduced.

It is worth mentioning that the positioning modules 41 are evenly distributed around the working table 4.

When the door frame to be welded is jacked, the supporting points of the positioning modules 41 are uniformly arranged around the door frame to be welded, so that the door frame to be welded is prevented from sliding due to nonuniform supporting force.

Optionally, the workbench 4 is provided with four positioning modules 41, and the positioning modules 41 are uniformly distributed at four corners of the workbench 4.

The workbench 4 is rectangular, and the positioning modules 41 positioned at the four corners of the workbench 4 correspond to the four corners of the door frame to be welded one by one, so that the door frame to be welded is supported by the positioning modules 41, and the door frame to be welded can be kept balanced. In addition, four positioning modules 41 can sufficiently support the door frame to be welded without adding an additional supporting structure, thereby reducing the production cost.

Specifically, as shown in fig. 4, the welding module 3 includes a rotating portion 31, a first arm 32, a second arm 33, and a welding portion 34, wherein the rotating portion 31 is rotatably connected to the top portion of the gantry 1, the first arm 32 is hinged to the rotating portion 31, the second arm 33 is hinged to the first arm 32, and the welding portion 34 is rotatably connected to the end of the second arm 33.

The welding module 3 is driven by a motor, and the rotating part 31, the first arm 32, the second arm 33 and the welding part 34 are used to make the working area of the welding module 3 cover the whole upper surface of the workbench 4, thereby realizing the purpose of automatic welding.

Preferably, the first roller set of the conveying roller table 2 includes a plurality of conveying roller shafts 22.

The plurality of conveying roller shafts 22 support and transport the door frame to be welded together, thereby ensuring that the door frame is stressed in a balanced manner and is not easy to fall off.

Other components, etc. and operations of a high-precision door frame assembly type welding device according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.

In the description herein, references to the description of the terms "embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a door frame that precision is high assembles type welding set which characterized in that: the automatic welding machine comprises a portal frame, a workbench, a welding module and a conveying roller table, wherein the workbench and the welding module are arranged on two sides of the portal frame, the workbench is arranged at the bottom of the portal frame, the welding module is arranged at the top of the portal frame, and the conveying roller table is arranged between the two workbenches;

2. The assembly type welding device for the door frame with high precision as set forth in claim 1, wherein: the workstation still includes a plurality of locating module, second roller group includes many direction roller, locating module sets up in adjacent two between the direction roller, locating module is equipped with the jacking portion, the direction of jacking portion is up.

3. The assembly type welding device for the door frame with high precision as set forth in claim 2, wherein: and the guide roll shafts of the second roll shaft group are arranged at two ends of the workbench.

4. The assembly type welding device for the door frame with high precision as set forth in claim 3, wherein: the positioning modules are uniformly distributed around the workbench.

5. The assembly type welding device for the door frame with high precision as set forth in claim 4, wherein: the workbench is provided with four positioning modules, and the positioning modules are uniformly distributed at four corners of the workbench.

6. The assembly type welding device for the door frame with high precision as set forth in claim 5, wherein: the welding module includes rotating part, first arm, second arm and weld part, the rotating part with the top swivelling joint of portal frame, first arm with the rotating part is articulated, the second arm with first arm is articulated, the terminal swivelling joint of second arm has the weld part.

7. The assembly type welding device for the door frame with high precision as set forth in claim 1, wherein: the first roller shaft group of the conveying roller table comprises a plurality of conveying roller shafts.