CN218555880U

CN218555880U - Multi-point welding device for metal frame stool

Info

Publication number: CN218555880U
Application number: CN202222620420.2U
Authority: CN
Inventors: 郭海立
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-03-03
Anticipated expiration: 2032-09-30

Abstract

The utility model provides a multi-point welding device for a metal frame stool, which comprises a welding table, a fixing component, a mounting rack, a welding component and a first driving component; the welding table is used for placing the metal frame; the fixing component is connected with the welding table and is used for fixing the metal frame on the welding table; the mounting frame is arranged on one side of the welding table; the welding assembly is connected with the mounting frame and is provided with a plurality of welding guns which are in one-to-one correspondence with points to be welded on the metal frame; the first driving assembly is connected with the mounting frame, and the power output end is connected with the welding assembly to drive the welding assembly to be far away from or close to a point, needing to be welded, on the metal frame. The utility model provides a metal frame stool multiple spot welding set can once weld a plurality of welded points that need on the metal frame, reduces the welding number of times by a wide margin, has improved metal frame's production efficiency greatly.

Description

Multi-point welding device for metal frame stool

Technical Field

The utility model belongs to the technical field of welding equipment, concretely relates to metal frame stool multiple spot welding set.

Background

The metal frame stool is generally composed of a metal frame and a stool surface arranged on the metal frame, the metal frame generally comprises a bottom ring, a plurality of supporting legs, a top ring and a plurality of connecting plates used for being connected with the stool surface, all the parts are welded together through welding equipment to form a complete metal frame, and one complete metal frame is generally provided with dozens of or even dozens of points needing to be welded.

However, at present, welding equipment is usually used manually, including carbon dioxide arc welding, argon arc welding and the like, points to be welded are welded one by one, and the production of a complete metal frame usually requires tens of times or even tens of times of spot welding, so that the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a metal frame stool multiple spot welding set aims at provider one kind and can once only need the welding set that all welded spot weldings of metal frame were accomplished to improve production efficiency by a wide margin.

In order to achieve the above object, the utility model adopts the following technical scheme: provided is a metal frame stool multi-spot welding device, including:

the welding table is used for placing the metal frame;

the fixing assembly is connected with the welding table and is used for fixing the metal frame on the welding table;

the mounting frame is arranged on one side of the welding table;

the welding assembly is connected with the mounting frame and is provided with a plurality of welding guns which correspond to the points to be welded on the metal frame one by one;

the first driving assembly is connected with the mounting frame, and the power output end of the first driving assembly is connected with the welding assembly to drive the welding assembly to be far away from or close to a point needing to be welded on the metal frame.

In a possible implementation manner, the welding table comprises a base, a support column and a table plate, the table plate is a circular plate, the base is arranged on the lower side of the table plate, one end of the support column is fixedly connected with the center of the table plate, the other end of the support column is rotatably connected with the base, and the welding table has a degree of freedom rotating around the support column.

In a possible implementation manner, the welding table further includes a second driving assembly, the second driving assembly is installed in the base, and the power output end is connected with the supporting column to drive the supporting column to rotate.

In a possible implementation manner, the fixing assembly includes a plurality of fixing molds, and the plurality of fixing molds are uniformly arranged on the bedplate around the center of the bedplate and fixedly connected with the bedplate.

In a possible implementation manner, the diameter of the bottom of the fixed mold is equal to the inner diameter of the bottom ring in the metal frame, a plurality of limiting grooves are formed in the fixed mold, and the supporting legs, the top ring and the connecting plates of the metal frame are respectively clamped in the limiting grooves.

In a possible implementation manner, a sliding rail is arranged at the top of the mounting frame, and the welding assembly is interactively matched with the sliding rail.

In a possible implementation manner, the welding assembly comprises two first welding mechanisms and two second welding mechanisms, two the upper ends of the second welding mechanisms are matched with the sliding rail in a sliding manner, and the two first welding mechanisms are respectively arranged on two sides of the fixed assembly, two the welding guns on the first welding mechanisms are respectively in one-to-one correspondence with points needing to be welded on the bottom circular ring of the metal frame, and the two second welding mechanisms are arranged on two upper sides of the first welding mechanisms and are respectively arranged on two sides of the fixed assembly, and the two welding guns on the second welding mechanisms are respectively in one-to-one correspondence with the points needing to be welded on the top circular ring of the metal frame.

In a possible implementation manner, the first welding mechanism and the second welding mechanism each include a first cylinder, a receiving frame, a plurality of connecting frames and a plurality of welding guns, the top end of the first cylinder is in sliding fit with the slide rail, the lower end of the first cylinder is a power output end of the first cylinder, the power output end of the first cylinder is connected with the receiving frame and drives the receiving frame to move up and down, a sliding groove is formed in the lower side of the receiving frame, and the sliding groove is arc-shaped; the upper ends of the connecting frames are embedded in the sliding grooves and are in interactive fit with the bearing frames, and the welding guns are connected with the connecting frames respectively.

In a possible implementation manner, the connecting frame comprises a mounting plate and a clamping plate, the top of the mounting plate is provided with a sliding block which is used for being in sliding fit with the sliding groove, the welding gun is clamped between the mounting plate and the clamping plate, the clamping plate is connected with the mounting plate through a bolt assembly, and the welding gun is clamped.

In a possible implementation manner, the driving assembly includes four second cylinders, the four second cylinders are all horizontally arranged and connected with the mounting frame, and power output ends are respectively connected with the four first cylinders to drive the first cylinders to move along the slide rail.

The utility model provides a metal crate stool multiple spot welding set's beneficial effect is: compared with the prior art, the utility model provides a metal frame stool multiple spot welding set fixes metal frame on the welding bench through fixed subassembly, then through the motion of first drive assembly drive welding subassembly, make a plurality of welder on the welding subassembly simultaneously with metal frame's a plurality of needs welded point one-to-one alignment, weld a plurality of needs welded points of metal frame simultaneously, can once weld metal frame and go up a plurality of needs welded points, reduce the welding number of times by a wide margin, metal frame's production efficiency has been improved greatly.

Drawings

Fig. 1 is a schematic perspective view of a multipoint welding device for a metal frame stool according to an embodiment of the present invention;

fig. 2 is a schematic front view of the multipoint welding device for a metal frame stool according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of a first welding mechanism in the multi-spot welding device for a metal frame stool provided in the embodiment of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a schematic perspective view of a conventional metal frame;

description of the reference numerals:

11. a platen; 12. a support column; 13. a base; 14. a second drive assembly;

20. fixing the mold; 30. a mounting frame; 31. a slide rail; 41. a first cylinder;

42. a receiving frame; 421. a chute; 43. a connecting frame; 431. mounting a plate;

432. a splint; 44. a welding gun; 50. a second cylinder; 60. a metal frame.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be discussed further in subsequent figures.

In the description of the present application, it is to be understood that the directions or positional relationships indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the directions or positional relationships shown in the drawings, and are for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; 'above" may include both orientations "at 8230; \8230;' above 8230; 'at 8230;' below 8230;" above ". The device may be otherwise variously positioned and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.

Referring to fig. 1 to 5, a multi-spot welding apparatus for a metal frame stool according to the present invention will now be described. The multi-point welding device for the metal frame stool comprises a welding table, a fixing assembly, a mounting frame 30, a welding assembly and a first driving assembly; the welding table is used for placing the metal frame 60; the fixing component is connected with the welding table and is used for fixing the metal frame 60 on the welding table; the mounting frame 30 is arranged on one side of the welding table; the welding assembly is connected with the mounting frame 30 and is provided with a plurality of welding guns 44 which correspond to the points to be welded on the metal frame 60 one by one; the first drive assembly is coupled to the mounting bracket 30 and the power output is coupled to the welding assembly to drive the welding assembly away from or toward the point on the metal frame 60 where welding is desired.

The embodiment of the utility model provides a metal frame stool multiple spot welding set's beneficial effect is: compared with the prior art, the embodiment of the utility model provides a metal frame stool multiple spot welding set fixes metal frame on the welding bench through fixed subassembly, then through the motion of first drive assembly drive welding subassembly, make a plurality of welder on the welding subassembly simultaneously with a plurality of needs welded points of metal frame align one by one, weld a plurality of needs welded points of metal frame simultaneously, can be in order to weld a plurality of needs welded points on the metal frame, reduce the welding number of times by a wide margin, metal frame's production efficiency has been improved greatly.

As shown in fig. 1 and 2, in a specific implementation manner of the multi-spot welding device for a metal frame stool provided by the embodiment of the present invention, the welding table includes a base 13, a supporting column 12 and a platen 11, the platen 11 is a circular plate, the base 13 is disposed at the lower side of the platen 11, one end of the supporting column 12 is fixedly connected to the center of the platen 11, and the other end of the supporting column is rotatably connected to the base 13, and has a degree of freedom rotating around the supporting column 12.

As shown in fig. 1 and fig. 2, in a specific implementation manner of the multi-spot welding device for metal frame stools provided by the embodiment of the present invention, the welding table further includes a second driving assembly 14, the second driving assembly 14 is installed in the base 13, and the power output end is connected with the supporting column 12 to drive the supporting column 12 to rotate.

Specifically, the second driving assembly 14 is a motor assembly, and is configured to drive the supporting column 12 to rotate, so as to drive the platen 11 to rotate.

As shown in fig. 1 and 2, in a specific implementation manner of the multi-spot welding device for a metal frame stool provided by the embodiment of the present invention, the fixing assembly includes a plurality of fixing molds 20, and the fixing molds 20 are uniformly disposed on the platen 11 around the center of the platen 11 and fixedly connected to the platen 11.

Specifically, two or more than two fixed molds 20 are uniformly arranged on the bedplate 11 around the center of the bedplate 11, and the distance from each fixed mold to the center of the bedplate 11 is the same.

It should be noted that the fixing component may also be other clamping tools, and only the parts on the metal frame 60 need to be spliced into the complete metal frame 60 and fixed in position.

Specifically, around platen 11, be equipped with at platen 11 periphery and assemble the station, the welding station and get the bench station, the workman is assembling the station and is fixed each part of metal crate 60 and be located the station of assembling on fixed mould 20, then changes fixed mould 20 to the welding station and weld, changes again to getting the bench station, takes off welded metal crate 60 by the workman, later changes fixed mould 20 to assembling the station, and the circulation is reciprocal in proper order, has improved production efficiency greatly.

As shown in fig. 1 and fig. 2, in a specific implementation manner of the multi-point welding device for a metal frame stool, the bottom diameter of the fixing mold 20 is equal to the inner diameter of the bottom ring of the metal frame 60, a plurality of limiting grooves are formed in the fixing mold 20, and the supporting legs, the top ring and the connecting plate of the metal frame 60 are respectively clamped in the limiting grooves.

Specifically, the metal frame 60 is provided with a limiting groove according to the shape thereof, so that the metal frame 60 can be assembled into a complete metal frame 60 after each part of the metal frame 60 is clamped in the corresponding limiting groove.

As shown in fig. 1 and fig. 2, in a specific implementation manner of the multi-point welding device for a metal frame stool provided by the embodiment of the present invention, a slide rail 31 is provided on the top of the mounting frame 30, and the welding assembly is interactively matched with the slide rail 31.

As shown in fig. 1 and fig. 2, an embodiment of the present invention provides a multi-point welding device for metal frame stool, wherein the welding assembly includes two first welding mechanisms and two second welding mechanisms, the upper ends of the two first welding mechanisms and the two second welding mechanisms are both in sliding fit with the sliding rail 31, the two first welding mechanisms are respectively disposed on two sides of the fixing assembly, the two welding mechanisms respectively correspond to the welding points on the bottom ring of the metal frame 60, the two second welding mechanisms are disposed on the upper sides of the two first welding mechanisms, and are respectively disposed on two sides of the fixing assembly, the two welding mechanisms respectively correspond to the welding points on the top ring of the metal frame 60.

Note that, the two first welding mechanisms and the two second welding mechanisms are arranged symmetrically with respect to the axis of the fixed die 20.

As shown in fig. 2 and fig. 3, in a specific implementation manner of the multi-spot welding device for a metal frame stool provided by the embodiment of the present invention, each of the first welding mechanism and the second welding mechanism includes a first cylinder 41, a receiving frame 42, a plurality of connecting frames 43 and a plurality of welding guns 44, the top end of the first cylinder 41 is in sliding fit with the sliding rail 31, the lower end is a power output end of the first cylinder 41, the power output end of the first cylinder 41 is connected with the receiving frame 42, the receiving frame 42 is driven to move up and down, a sliding groove 421 is formed at the lower side of the receiving frame 42, and the sliding groove 421 is arc-shaped; the upper ends of the connecting frames 43 are embedded in the sliding grooves 421 and are in interactive fit with the bearing frames 42, and the welding guns 44 are respectively connected with the connecting frames 43.

As shown in fig. 3 and 4, in a specific implementation manner of the multi-point welding device for a metal frame stool provided by the embodiment of the present invention, each of the plurality of connecting frames 43 includes a mounting plate 431 and a clamping plate 432, a slider for sliding fitting with the sliding groove 421 is disposed on the top of the mounting plate 431, the welding gun 44 is clamped between the mounting plate 431 and the clamping plate 432, and the clamping plate 432 is connected with the mounting plate 431 through a bolt assembly to clamp the welding gun 44.

It should be noted that the number and the positions of the welding guns 44 on the receiving frame 42 are adjusted according to the number and the positions of the points to be welded of the metal frame 60, so that the welding guns 44 are always in one-to-one correspondence with the points to be welded on the metal frame 60, and different types of stools are welded.

As shown in fig. 1 and fig. 2, in a specific implementation manner of the multi-point welding device for a metal frame stool provided by the embodiment of the present invention, the driving assembly includes four second cylinders 50, the four second cylinders 50 are all horizontally disposed and connected to the mounting frame 30, and the power output ends are respectively connected to the four first cylinders 41 to drive the first cylinders 41 to move along the sliding rails 31.

It should be noted that when the fixed mold 20 carrying the assembled metal frame 60 is transferred to the welding station, the four second air cylinders 50 respectively drive the four first air cylinders 41 to move, so that the welding guns 44 of the four receiving frames 42 are close to the metal frame 60 in the horizontal direction, then the four first air cylinders 41 drive the four receiving frames 42 to move downwards, so that the welding guns 44 of the four receiving frames 42 are close to the metal frame 60 in the vertical direction until all the welding guns 44 are aligned with all the points, which need to be welded, on the metal frame 60 one by one, then all the welding guns 44 are started, and all the points, which need to be welded, on the metal frame 60 are welded at the same time, and only a few seconds are needed to complete the welding of the metal frame 60, thereby greatly improving the production efficiency.

It should be noted that the air cylinder in the present invention can be replaced by a hydraulic cylinder or other mechanism capable of outputting linear motion.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A metal frame stool multi-spot welding device, comprising:

the welding table is used for placing a metal frame (60), and comprises a base (13), a supporting column (12) and a bedplate (11), wherein the bedplate (11) is a circular plate, the base (13) is arranged on the lower side of the bedplate (11), one end of the supporting column (12) is fixedly connected with the center of the bedplate (11), the other end of the supporting column (12) is rotatably connected with the base (13), and the welding table has the degree of freedom of rotating around the supporting column (12);

a fixing component connected with the welding table and used for fixing the metal frame (60) on the welding table;

the mounting rack (30) is arranged on one side of the welding table;

the welding assembly is connected with the mounting frame (30) and is provided with a plurality of welding guns (44) which correspond to points to be welded on the metal frame (60) one by one; and

the first driving assembly is connected with the mounting frame (30), and a power output end is connected with the welding assembly so as to drive the welding assembly to be far away from or close to a point to be welded on the metal frame (60);

a sliding rail (31) is arranged at the top of the mounting frame (30), and the welding assembly is in sliding fit with the sliding rail (31);

the welding assembly comprises two first welding mechanisms and two second welding mechanisms, wherein the two first welding mechanisms and the two second welding mechanisms are arranged at the upper ends of the two second welding mechanisms and are in sliding fit with the sliding rail (31) in a sliding mode, the two first welding mechanisms are arranged on the two sides of the fixed assembly respectively, the two welding guns (44) on the first welding mechanisms are in one-to-one correspondence with welding-required points on a bottom ring of the metal frame (60) respectively, the two second welding mechanisms are arranged on the two upper sides of the first welding mechanisms and are arranged on the two sides of the fixed assembly respectively, and the two welding guns (44) on the second welding mechanisms are in one-to-one correspondence with welding-required points on a top ring of the metal frame (60).

2. The metal frame stool multi-spot welding apparatus of claim 1, wherein said welding station further comprises a second driving assembly (14), said second driving assembly (14) being mounted in said base (13), a power output being connected to said support column (12) to drive said support column (12) in rotation.

3. The metal frame stool multi-spot welding apparatus as claimed in claim 1, wherein said fixing assembly comprises a plurality of fixing molds (20), and a plurality of said fixing molds (20) are uniformly arranged on said platen (11) around a center of said platen (11) to be fixedly coupled with said platen (11).

4. The multi-spot welding apparatus for metal frame stools as claimed in claim 3, wherein the bottom diameter of the stationary mold (20) is equal to the inner diameter of the bottom ring of the metal frame (60), the stationary mold (20) is formed with a plurality of position-limiting grooves, and the support legs, the top ring and the connecting plate of the metal frame (60) are respectively engaged in the plurality of position-limiting grooves.

5. The multi-spot welding device for the metal frame stool as claimed in claim 1, wherein each of the first welding mechanism and the second welding mechanism comprises a first cylinder (41), a receiving frame (42), a plurality of connecting frames (43) and a plurality of welding guns (44), the top end of the first cylinder (41) is in sliding fit with the sliding rail (31), the lower end of the first cylinder (41) is a power output end, the power output end of the first cylinder (41) is connected with the receiving frame (42) and drives the receiving frame (42) to move up and down, a sliding groove (421) is formed in the lower side of the receiving frame (42), and the sliding groove (421) is arc-shaped; the upper ends of the connecting frames (43) are embedded in the sliding grooves (421) and are in sliding fit with the bearing frames (42), and the welding guns (44) are connected with the connecting frames (43) respectively.

6. The multi-spot welding apparatus for a metal frame stool as set forth in claim 5, wherein a plurality of said connecting frames (43) each comprise a mounting plate (431) and a clamping plate (432), a slider for slidably engaging with said chute (421) is provided on a top of said mounting plate (431), said welding torch (44) is interposed between said mounting plate (431) and said clamping plate (432), and said clamping plate (432) is connected to said mounting plate (431) by a bolt assembly to tighten said welding torch (44).

7. The metal frame stool multi-spot welding apparatus of claim 6, wherein said first driving assembly comprises four second cylinders (50), each of said four second cylinders (50) being horizontally disposed and connected to said mounting frame (30), and power output terminals are respectively connected to said four first cylinders (41) to drive said first cylinders (41) to move along said slide rails (31).