CN217596140U

CN217596140U - Stud welding device

Info

Publication number: CN217596140U
Application number: CN202221183796.5U
Authority: CN
Inventors: 尹浩鹏; 骆坷; 范志炜
Original assignee: GAC Motor Co Ltd
Current assignee: GAC Motor Co Ltd
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-10-18
Anticipated expiration: 2032-05-10

Abstract

The utility model discloses a stud welding device, including welder and arm, ATC dish is installed to the end of arm, the bottom demountable installation of ATC dish has the support, welder's rifle body is installed on the support, just welder's muzzle orientation with the axis of ATC dish is parallel. The utility model discloses can realize that automatic switch-over stud welding gun realizes automatic replacement manual welding to make welder realize accurate vertical welding to the bolt, in order to improve the welding quality.

Description

Stud welding device

Technical Field

The utility model relates to a stud welding technical field especially relates to a stud welding device.

Background

At present, stud welding is often required to be performed on a frame and parts in an automobile factory, a workpiece is firstly grabbed by a gripper of a mechanical arm to be fixed, then a worker holds a welding gun to weld a fastening point on the workpiece, but the stud welding gun is manually held to weld a stud, time and labor are consumed, and the worker easily shakes to cause the welding gun to be incapable of storing vertical welding with the stud, so that the welding quality is unstable, the workpiece needs to be repaired frequently, meanwhile, potential safety hazards easily exist in manual welding, and stud welding operation in the automobile factory at present is not beneficial to automatic lifting and occupational disease protection. At present, the manual handheld welding gun spot welding mode and the mode of grabbing a workpiece through the gripper of the mechanical arm cannot fully cover the manufacturing field of automobile factories and cannot exert the robot to extremely achieve the effect, so that a bolt welding mode which is more convenient and improves the welding vertical precision needs to be researched.

SUMMERY OF THE UTILITY MODEL

The utility model provides a stud welding device, the purpose improves the multi-functional application of arm, realizes automatic replacement manual welding through automatic switch-over stud welding rifle to make welder realize accurate vertical welding to the bolt, in order to improve the welding quality.

The technical scheme of the utility model as follows:

the utility model provides a stud welding device, includes welder and arm, the ATC dish is installed to the end of arm, the bottom demountable installation of ATC dish has the support, welder's the rifle body is installed on the support, just welder's muzzle orientation with the axis of ATC dish is parallel.

The utility model discloses in, welder passes through the support to be fixed on ATC dish, and accessible ATC dish carries out the fast switch-over to the welder to make the arm can adapt to multiple application scene, when the welder is fixed to the support simultaneously, make welder's muzzle and ATC dish the axis keep parallel, so that welder when welding, can keep vertical precision, in order to improve the welding quality.

Furthermore, the support comprises a fixing plate, side plates and a bearing plate, one end of each of the two side plates is fixed on two sides of the fixing plate, and the other end of each of the two side plates is connected with two sides of the bearing plate respectively.

Further, the gun body of the welding gun is detachably mounted on the bearing plate.

The gun body of the welding gun is arranged on the bearing plate in a detachable mode, so that the later period is convenient for the welding gun with different models replaced by workpieces with different welding requirements, the operator can conveniently disassemble, assemble or maintain, and the use convenience is effectively improved.

Further, the ATC tray includes a main side tray installed at an end of the robot arm, and a tool tray installed to be butted against the main side tray, and the bracket is installed at a bottom of the tool tray.

The ATC tray is a robot tool quick change device, also known as Automatic Tool Changer (ATC), robot tool change, robot connector, etc. The ATC tray provides the ability to automatically change end effectors or other peripheral tools, and the design of the quick change device ensures that millions of cycles can be reliably performed under full load while ensuring extremely high repeatability accuracy. The ATC disk is an end effector that is made up of two parts, called the master disk and the tool disk, designed to automatically lock the connection and communicate and transfer media such as electrical signals, gas, water, etc. Most ATC trays use gas to lock the main side tray and the tool tray. ATC disks provide great flexibility for automatic tool changes and communication of various media. The primary side of the ATC disk is typically mounted on a robotic arm, CNC machine or other structure, while the tool disk is used to mount tools such as grippers, welding guns or deburring tools. The ATC disk can realize the quick switching of the welding guns so as to enhance the application scene of the mechanical arm and improve the use convenience.

Further, the bottom of instrument dish is equipped with mounting flange, be equipped with a plurality of fixed orifices on the fixed plate with mounting flange corresponds, utilizes the bolt to pass the fixed orifices, will the support mounting be in on the mounting flange.

The fixed plate through flange and support can be dismantled and be connected, when the maintenance in later stage or change, can dismantle the support fast from the instrument dish and take off.

Furthermore, a plurality of mounting holes are formed in the bearing plate, screw holes corresponding to the mounting holes are formed in the gun body of the welding gun, and the welding gun is mounted on the bearing plate by penetrating through the mounting holes through bolts.

Specifically, what the bearing board adopted with welder is the dismantlement connected mode of bolt, and simple structure can replace the welder of different models fast and fix.

Furthermore, an accommodating space is formed between the two side plates, a gun body of the welding gun is arranged in the accommodating space, one side of the gun body is arranged on the bearing plate, and a gun mouth of the welding gun extends outwards.

In the accommodation space was arranged in to welder, the curb plate of both sides formed the guard action to the welder, when welding, enabled welder and avoided producing the collision with other equipment and take place to damage, can protect welder well.

Further, the side plate is provided with a hanging hole.

When pulling down the support, the accessible hanging hole hangs whole support and places, makes things convenient for staff's operation, when fixing welder on the bearing board, can make welder's connecting line wear out from the hanging hole simultaneously, avoids laying wire mixed and disorderly, influences the normal work of whole device.

Further, screw holes are formed in the tail ends of the side plates, the screw holes are connected with locking bolts, gaskets are fixedly connected to the tail ends of the locking bolts, and the gaskets are arranged on two sides of the bearing plate and used for clamping a gun body of the welding gun.

After the welding gun is fixed on the bearing plate, in order to further strengthen the stability of the welding gun, two locking bolts are connected to the two side plates in a threaded penetrating mode, when the gun body of the welding gun is installed on the bearing plate, the two gaskets are made to be close to each other by screwing the two locking bolts until the two gaskets clamp the gun body of the welding gun from two sides. The stability of the welding gun is enhanced, and the follow-up welding precision is improved and guaranteed.

Furthermore, sponge layers are bonded on the surfaces of the two gaskets, which are in contact with the welding gun.

When the gasket clamps the welding gun, in order to avoid damaging the surface of the welding gun, a sponge layer is added to play a role in protection. Besides the sponge layer, the sponge layer can be replaced by other cushion layers, such as rubber pads, soft pads and the like which can effectively protect the surface.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a support of design and processing carries out fixed mounting to the welding torch, realizes the integration of welder support to increase one set of ATC dish and switch, can effectively improve the multiple application scene of arm, cut down personnel's cost, make welder's muzzle orientation parallel with the axis of ATC dish simultaneously, so that when the welding, guarantee welder's the straightness that hangs down, improve welded vertical precision, improved the welding quality.

Drawings

FIG. 1 is a schematic structural view of a stud welding apparatus according to the present invention;

FIG. 2 is a schematic view of a stent structure;

FIG. 3 is a schematic view of a bracket with a locking bolt;

in the figure: the welding gun comprises a welding gun 1, a mechanical arm 2, an ATC disc 3, a main side disc 301, a tool disc 302, a support 4, a fixing plate 401, a side plate 402, a bearing plate 403, a mounting hole 404, an accommodating space 405, a fixing hole 406, a hanging hole 407, a locking bolt 408 and a gasket 409.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

Example 1:

as shown in fig. 1-2, a stud welding device comprises a welding gun 1 and a mechanical arm 2, wherein an ATC disk 3 is mounted at the tail end of the mechanical arm 2, a support 4 is detachably mounted at the bottom of the ATC disk 3, a gun body of the welding gun 1 is mounted on the support 2, and the muzzle of the welding gun 1 faces to be parallel to the axis of the ATC disk 3.

The utility model discloses in, welder 1 passes through support 4 to be fixed on ATC dish 3, and accessible ATC dish 3 carries out the fast switch-over to welder 1 to make arm 2 can adapt to multiple application scene, when 4 fixed welder 1 of support simultaneously, make welder 1's muzzle and ATC dish 3's axis keep parallel, so that welder 1 can keep vertical precision when welding, in order to improve the welding quality.

In this embodiment, the bracket 4 includes a fixing plate 401, side plates 402, and a support plate 403, wherein one end of each of the two side plates 402 is fixed to both sides of the fixing plate 401, and the other end thereof is connected to both sides of the support plate 403. The bracket 4 can be made by integral molding, or can be formed by assembling the components by bolts or other fixing methods. Wherein, fixed plate 401, curb plate 402 and bearing board 403 all use the alloy to make, and the quality is light, and intensity is high, can effectively carry out the bearing installation to butt welder 1.

In this embodiment, the gun body of the welding gun 1 is detachably mounted on the support plate 403. The gun body of the welding gun 1 is arranged on the bearing plate 403 in a detachable mode, so that the welding gun 1 with different models can be replaced by workpieces with different welding requirements in the later period, operators can conveniently disassemble, assemble or maintain the welding gun, and the using convenience is effectively improved.

Wherein, a plurality of mounting holes 404 are arranged on the bearing plate 403, screw holes corresponding to the mounting holes 404 are arranged on the gun body of the welding gun 1, and the welding gun 1 is mounted on the bearing plate 403 by penetrating the mounting holes 404 through bolts. The supporting plate 403 and the welding gun 1 adopt a detachable connection mode of bolts, the structure is simple, and the welding gun 1 of different models can be quickly replaced for fixing.

In addition to the bolt connection, the support plate 403 may be detachably connected to the gun body of the welding gun 1 by a snap connection, and the present embodiment is not limited to the bolt connection.

In this embodiment, an accommodating space 405 is formed between the two side plates 402, a gun body of the welding gun 1 is placed in the accommodating space 405, and one side of the gun body 1 is mounted on the support plate 403 by bolts, and a gun mouth of the welding gun 1 is extended outward. The welding gun 1 is placed in the accommodating space 405, and the side plates 402 on both sides can provide a protective effect on the welding gun 1. When welding, the welding gun 1 can be prevented from colliding with other equipment to be damaged, and the welding gun 1 can be well protected.

The size or shape of the accommodating space 405 can be determined according to different models of welding guns 1, and according to actual conditions, an operator can customize the accommodating space 405 suitable for the welding gun 1 used at present so as to completely accommodate the welding gun 1 to protect the welding gun 1.

In this embodiment, the ATC tray 3 includes a main side tray 301 and a tool tray 302, the main side tray 301 is mounted on the end of the robot arm 2, the tool tray 302 is mounted in abutment with the main side tray 301, and the rack 4 is mounted on the bottom of the tool tray 302.

The ATC tray 3 is a robot tool quick change device, also called Automatic Tool Changer (ATC), robot tool change, robot connector, etc. The ATC tray 3 provides the ability to automatically change end effectors or other peripheral tools, and the design of the quick change device ensures reliable operation for millions of cycles under full load while ensuring extremely high repeatability accuracy. The ATC tray 3 is an end effector that is made up of two parts, called main side tray 301 and tool tray 302 (also called main side and tool side), designed to automatically lock the connection and communicate and transfer media such as electrical signals, gas, water, etc. Most ATC trays 3 use gas to lock master tray 301 and tool trays 302. The ATC disk 3 provides great flexibility for automatic tool changes and communication of various media. The primary side disk 301 of the ATC disk 3 is typically mounted on a robotic arm, CNC machine or other structure, while the tool disk 302 is used to mount tools such as grippers, welding guns or deburring tools. The rapid switching of the welding guns 1 can be realized through the ATC disk 3, so that the application scene of the mechanical arm 2 is enhanced, and the use convenience is improved.

It should be noted that the ATC tray 3 is a conventional quick-change device for those skilled in the art, and the principle and specific structure thereof are known to those skilled in the art and will not be described herein.

In this embodiment, a mounting flange (not shown) is provided at the bottom of the tool tray 302, a plurality of fixing holes 406 are provided on the fixing plate 401 to correspond to the mounting flange, and the bracket 4 is mounted on the mounting flange by passing bolts through the fixing holes 406. The flange is detachably connected with the fixing plate 401 of the bracket 4, so that the bracket 4 can be quickly detached from the tool tray 302 during later maintenance or replacement.

In this embodiment, the fixing plate 401 and the tool tray 302 may be detachably connected by inserting or clipping, in addition to the bolt, and the present invention is not limited thereto.

In this embodiment, the side plate 402 is provided with a hanging hole 407, the hanging hole 407 is integrally formed on the side plate 402, and the hanging hole 407 is a waist-shaped hole. When the support 4 is detached, the whole support 4 can be hung up through the hanging hole 407, and the operation of a worker is facilitated. Meanwhile, when the welding gun 1 is fixed on the bearing plate 403, the connecting pipeline of the welding gun 1 can penetrate out of the hanging hole 407, and the problem that the wiring is disordered and the normal work of the whole device is influenced is avoided.

The utility model discloses a 4 butt welding guns of support of design and processing 1 carry out fixed mounting, realize the integration of welder support, and increase one set of ATC dish 3 and switch, the purpose is the multi-functional application that improves arm 2, realize automatic replacement manual welding through automatic switch-over welder 1, can effectively improve arm 2's multiple application scene, reduce personnel's cost, make welder 1's muzzle orientation parallel with ATC dish 3's axis simultaneously, so that when the welding, guarantee welder 1's straightness that hangs down, improve welded perpendicular precision, the welding quality has been improved.

Example 2:

as shown in fig. 3, the present embodiment is similar to embodiment 1, except that the present embodiment has screw holes formed at the ends of the two side plates 402, the screw holes are connected with locking bolts 408, the two locking bolts 408 are symmetrically disposed, and the ends are oppositely disposed at two sides of the supporting plate 403, and the ends of the two locking bolts 408 are fixedly connected with spacers 409. When the gun body of the welding gun 1 is fixedly mounted on the support plate 403 through bolts, two locking bolts 408 are screwed so that the gaskets 409 at the ends of the two bolts clamp the gun body of the welding gun 1 from both sides.

After the welding gun 1 is fixed on the supporting plate 403, in order to further strengthen the stability of the welding gun 1, two locking bolts 408 are threaded on the two side plates 402, so that the two gaskets 409 are close to each other by screwing the two locking bolts 408, the welding gun 1 is further clamped from the two sides of the welding gun 1, the stability of the welding gun 1 is enhanced, and the subsequent welding precision is improved and guaranteed.

In this embodiment, the connection between the washer 409 and the bolt end is made by welding, so that the washer 409 is kept perpendicular to the bolt end, and the welding gun 1 is clamped and fixed more stably from both sides.

In this embodiment, a sponge layer (not shown) is adhered to the surface of the two pads 409 that contacts the welding torch 1. When the gasket 409 clamps the welding gun 1, a sponge layer is added to protect the welding gun 1 in order to avoid damaging the surface of the welding gun 1. In addition to the sponge layer, other cushion layers may be substituted, such as a rubber cushion, a soft cushion, and the like, which effectively protect the surface of the torch 1.

Example 3:

this embodiment is similar with embodiment 1, and the difference lies in, and this embodiment installs the rotating electrical machines (not shown in the figure) through mounting flange in the bottom of tool dish 302, and the output shaft of rotating electrical machines is connected with the fixed plate 401 of support 4 to the messenger rotates through the whole support 4 of rotating electrical machines drive, with the different welding environment of adaptation, for welder 1 when welding stud, provides more nimble adjustment, strengthens the utility model discloses an adaptability.

In this embodiment, the rotating motor can be installed at the bottom of the tool tray 302 through a motor bracket (not shown), and meanwhile, support rods (not shown) can be additionally arranged at two sides of the motor bracket, and the other ends of the support rods are connected with the two side plates 402 on the bracket 4, so as to enhance the stability of the bracket 4, and enable the bracket 4 to stably rotate synchronously with the rotating motor. When operating, can adopt servo motor to carry out rotation control, according to the operational environment at scene, for example some comparatively narrow and small spaces, set for needs pivoted angle on controlgear, can realize the synchronous accurate rotation to whole support 4 to make welder 1 can realize the welding more conveniently.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a stud welding device, includes welder (1) and arm (2), its characterized in that, ATC dish (3) are installed to the end of arm (2), the bottom demountable installation of ATC dish (3) has support (4), the rifle body of welder (1) is installed on support (4), just welder (1) the muzzle orientation with the axis of ATC dish (3) is parallel.

2. Stud welding device according to claim 1, characterized in that the support (4) comprises a fixed plate (401), side plates (402) and a bearing plate (403), one end of each of the two side plates (402) being fixed to both sides of the fixed plate (401) and the other end being connected to both sides of the bearing plate (403).

3. Stud welding device according to claim 2, characterized in that the body of the welding gun (1) is detachably mounted on the support plate (403).

4. Stud welding device according to claim 2, characterized in that the ATC tray (3) comprises a main side tray (301) and a tool tray (302), the main side tray (301) being mounted at the end of the robot arm (2), the tool tray (302) being mounted in abutment with the main side tray (301), the holder (4) being mounted at the bottom of the tool tray (302).

5. The stud welding device according to claim 4, characterized in that a mounting flange is arranged at the bottom of the tool plate (302), a plurality of fixing holes (406) corresponding to the mounting flange are arranged on the fixing plate (401), and the bracket (4) is mounted on the mounting flange by bolts penetrating through the fixing holes (406).

6. The stud welding device according to claim 3, characterized in that the support plate (403) is provided with a plurality of mounting holes (404), the body of the welding gun (1) is provided with screw holes corresponding to the mounting holes (404), and the welding gun (1) is mounted on the support plate (403) by passing bolts through the mounting holes (404).

7. Stud welding device according to claim 3, characterized in that a receiving space (405) is formed between the two side plates (402), that the body of the welding gun (1) is placed in the receiving space (405), and that one side of the body (1) is mounted on the support plate (403) with the muzzle of the welding gun (1) projecting outwards.

8. Stud welding device according to claim 2, characterized in that said lateral plate (402) is provided with a hanging hole (407).

9. The stud welding device according to claim 6, characterized in that the ends of the two side plates (402) are provided with screw holes, the screw holes are connected with locking bolts (408), the ends of the two locking bolts (408) are fixedly connected with gaskets (409), and the two gaskets (409) are arranged on two sides of the bearing plate (403) and used for clamping the gun body of the welding gun (1).

10. Stud welding device according to claim 9, characterized in that a sponge layer is glued to the side of the two washers (409) that is in contact with the welding gun (1).