CN119368895B - A floating welding device for fixing a spot welding machine - Google Patents
A floating welding device for fixing a spot welding machineInfo
- Publication number
- CN119368895B CN119368895B CN202411625796.XA CN202411625796A CN119368895B CN 119368895 B CN119368895 B CN 119368895B CN 202411625796 A CN202411625796 A CN 202411625796A CN 119368895 B CN119368895 B CN 119368895B
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- CN
- China
- Prior art keywords
- mounting
- rod
- base
- floating
- limit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/30—Features relating to electrodes
- B23K11/31—Electrode holders and actuating devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/10—Spot welding; Stitch welding
- B23K11/11—Spot welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/36—Auxiliary equipment
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Resistance Welding (AREA)
Abstract
本发明属于焊接技术领域，涉及一种用于固定点焊机的浮动式焊接装置，其特征在于：包括安装底板、整体枪身机构以及浮动机构，在安装底板的一端固装有整体枪身机构，在安装底板的另一端上下浮动安装有浮动机构，在所述整体枪身机构的气缸缸杆上安装有限位销，该限位销下降时限位在置于浮动机构上的限位挡块上。本用于固定点焊机的浮动式焊接装置，通过整体枪身机构与浮动机构的配合，实现了动静电极工作时靠近距离可调的目的，让固定焊枪在电极修磨后能自动对修磨距离实现补偿，让动静电极贴紧板件，保证焊接质量。
The present invention belongs to the field of welding technology and relates to a floating welding device for a fixed spot welding machine. The device is characterized by comprising a mounting base, an integral gun body mechanism, and a floating mechanism. The integral gun body mechanism is fixedly mounted on one end of the mounting base, and the floating mechanism is mounted on the other end of the mounting base so as to float up and down. A limit pin is mounted on the cylinder rod of the integral gun body mechanism. When the limit pin descends, it is stopped by a limit block on the floating mechanism. This floating welding device for a fixed spot welding machine achieves the purpose of adjusting the proximity distance between the moving and static electrodes during operation through the cooperation of the integral gun body mechanism and the floating mechanism. This allows the fixed welding gun to automatically compensate for the grinding distance after electrode grinding, ensuring that the moving and static electrodes are in close contact with the plate and ensuring welding quality.
Description
Technical Field
The invention belongs to the technical field of welding, and relates to a floating type welding device, in particular to a floating type welding device for a fixed spot welder.
Background
At present, the technical field of spot welding mainly comprises suspension spot welding (an integrated welding gun and a split welding gun), robot spot welding (a robot servo welding gun and a robot pneumatic welding gun) and fixed spot welding. Suspension spot welding requires a large number of workers to operate a welding gun, the welding posture is single, and many complex point positions are difficult to weld. The robot spot welding flexibility is higher, and the welding posture is limited less. However, the early investment is large, the robot needs to be purchased, and a welding workstation is designed by the system. The fixed spot welding structure is relatively simple, and can be operated without a worker or a purchasing robot. Although the flexibility is slightly lower than that of the robot spot welding, the robot spot welding device can be compatible with a plurality of welding spots which are difficult to finish by manual suspension spot welding, has great efficiency advantage when dealing with a large number of parts, can be used by a plurality of fixed welding guns in parallel, and can finish a plurality of welding spots by one-time welding.
During welding production, the plate is positioned by the fixture, and the position is generally unchanged. The electrode cap is shorter than the original electrode cap after being polished, and a distance is generated between the electrode cap and the plate. Welding requires electrodes to be placed against the plate, which requires movement of the gun.
The suspension spot welding is operated manually by a manual operation of the welding gun electrode to prop against the plate, the robot spot welding is automatically compensated by the robot, and the fixed spot welding is required to be designed with a special floating device to compensate the distance between the electrode cap and the plate after the electrode cap is polished.
In view of this, it is necessary to design a float welding device with a float range and force adjustable to accommodate a variety of fixed welding guns.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a floating welding device which has adjustable floating range and force and is easy to realize and used for a fixed spot welder.
The invention solves the technical problems by adopting the following technical scheme:
A floating welding device for a fixed spot welder is characterized by comprising an installation bottom plate, an integral gun body mechanism and a floating mechanism, wherein the integral gun body mechanism is fixedly arranged at one end of the installation bottom plate, the floating mechanism is arranged at the other end of the installation bottom plate in a floating mode, a limiting pin is arranged on a cylinder rod of a cylinder of the integral gun body mechanism, and the limiting pin is limited on a limiting stop block arranged on the floating mechanism when the limiting pin descends.
The integral gun body mechanism comprises a movable electrode mounting unit and an electrostatic electrode mounting unit, wherein the movable electrode mounting unit comprises a cylinder, a movable electrode and a limiting pin, the cylinder is mounted on the mounting bottom plate, the movable electrode is mounted on a cylinder rod of the cylinder, and the limiting pin is transversely arranged at a position below the cylinder rod;
The electrostatic electrode mounting unit comprises an L-shaped mounting plate, an electrostatic electrode mounting frame and an electrostatic electrode, wherein a mounting block is fixedly arranged on the upper end face of the air cylinder, the air cylinder rod of the air cylinder stretches in the mounting block, the L-shaped mounting plate which is oppositely arranged is arranged on the inner side and the outer side of the mounting block, the electrostatic electrode is arranged at the upper end of the vertical part of the L-shaped mounting plate through the electrostatic electrode mounting frame, and the electrostatic electrode is oppositely arranged with the movable electrode.
The floating mechanism comprises a base, a guide rod, a limit stop, an adjusting bolt, a spring sleeve rod, a spring and a supporting block, wherein the guide rod is fixedly arranged at the other end of the mounting bottom plate, the upper part of the guide rod is connected between two L-shaped mounting plates through a connecting block, the base is arranged on the guide rod in a penetrating mode, the limit stop is arranged at the top of the limit rod in a penetrating mode, the limit stop is arranged at the lower end of the limit pin, the adjusting bolt arranged on the base is connected to the bottom of the limit rod in a propping mode, the spring sleeve rod is arranged at the other end of the guide rod in a penetrating mode, the spring is sleeved at the upper end of the base on the spring sleeve rod, a compression nut is connected to the upper end of the spring sleeve rod in a threaded mode, the supporting block is arranged on the compression nut, and the supporting block is arranged at the lower end of the two L-shaped mounting plates in a supporting mode.
An insulating plate is provided at a side end of the base.
And a vertical mounting groove is formed in the side end of the base, a pressing plate is mounted on the outer side of the mounting groove through a screw, the limiting rod moves in a space formed by the upper mounting groove and the pressing plate, an adjusting bolt is mounted at the bottom of the mounting groove, and the adjusting bolt is in threaded connection with an internal thread formed at the bottom of the limiting rod.
And the base also comprises a limit stud, and the bottom mounting bottom plate of the base is provided with the limit stud in a threaded manner.
The invention has the advantages and positive effects that:
This a floating welding set for fixed spot welder through the cooperation of whole body of a gun mechanism and floating mechanism, has realized that the sound electrode during operation is close to the adjustable purpose of distance, lets fixed welder can realize the compensation to the coping distance voluntarily after the electrode coping, lets sound electrode paste the tight plate, guarantees welding quality.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a perspective view of the invention with one side of the L-shaped mounting plate omitted;
FIG. 3 is a schematic view of the overall gun body mechanism of the present invention;
FIG. 4 is a schematic view of the structure of the floating mechanism of the present invention;
fig. 5 is a schematic structural view illustrating the assembly of the adjusting bolt and the stop lever according to the present invention.
Description of the reference numerals
1-Mounting bottom plate, 2-limit stud, 3-guide rod, 4-base, 5-insulating board, 6-spring, 7-spring loop bar, 8-L-shaped mounting plate, 9-adjusting bolt, 10-clamp plate, 11-limit lever, 12-limit stop, 13-movable electrode, 14-static electrode, 15-crimping nut, 16 bearing block, 17-connecting block, 18-limit pin, 19-mounting block, 20-cylinder, 21-static electrode mounting frame, 22-limit round platform.
Detailed Description
Embodiments of the invention are described in further detail below with reference to the attached drawing figures:
The traditional floating structure is mostly pneumatic, namely, a welding gun is lifted up to prop against a plate to be welded by using an air cylinder. The compensation mode is adopted, so that not only is the cylinder purchased, but also the air circuit is independently designed, and the structure is complex. And a proportional valve is added to independently adjust the pressure of the floating cylinder. In view of the above, the floating welding device for the fixed spot welder is designed to realize the purpose that the fixed welding gun can automatically compensate the grinding distance after the electrode is ground and the electrode is tightly attached to the plate. The specific technical scheme is as follows:
The floating welding device for the fixed spot welder is innovative in that the floating welding device comprises a mounting bottom plate 1, an integral gun body mechanism and a floating mechanism, wherein the integral gun body mechanism is fixedly arranged at one end of the mounting bottom plate, the floating mechanism is arranged at the other end of the mounting bottom plate in a floating manner, the floating mechanism is simple in structure, the integral gun body mechanism can be made into various types, and a standard mounting hole site is reserved for being connected with the floating mechanism, so that the floating mechanism can be suitable for various fixed welding guns.
In this embodiment, the integral gun body mechanism includes a movable electrode mounting unit and an electrostatic electrode mounting unit, the movable electrode mounting unit includes a cylinder 20, a movable electrode 13 and a limiting pin 18, a cylinder is mounted on the mounting base plate, a movable electrode is mounted on a cylinder rod of the cylinder, and a limiting pin is traversed on a position of the cylinder rod below;
the electrostatic electrode mounting unit comprises an L-shaped mounting plate 8, an electrostatic electrode mounting frame 21 and a electrostatic electrode 14, wherein a mounting block 19 is fixedly arranged on the upper end face of the air cylinder, a cylinder rod of the air cylinder stretches in the mounting block, the L-shaped mounting plate which is oppositely arranged is arranged on the inner side and the outer side of the mounting block, the electrostatic electrode is arranged at the upper end of the vertical part of the L-shaped mounting plate through the electrostatic electrode mounting frame, and the electrostatic electrode is oppositely arranged with the movable electrode.
The floating mechanism comprises a base 4, a guide rod 3, a limit stud 2, a limit rod 11, a limit stop 12, an adjusting bolt 9, a spring sleeve rod 7, a spring 6 and a bearing block 16, wherein the other end of the installation bottom plate is fixedly provided with the guide rod which is vertically arranged, the upper part of the guide rod is connected between two L-shaped installation plates through a connecting block 17, the base is arranged on the guide rod in a penetrating manner, the limit rod is arranged on one end base of the guide rod in a penetrating manner, the top of the limit rod is provided with the limit stop which is horizontally arranged, the limit stop is arranged at the lower end of the limit pin, the bottom of the limit rod is propped against the adjusting bolt which is arranged on the base, the other end base of the guide rod is provided with the spring sleeve rod in a penetrating manner, the upper end of the base on the spring sleeve rod is sleeved with the spring, the upper end of the spring sleeve rod is in a threaded connection with a compression nut 15, the bearing block is arranged on the compression nut, the bearing block is in a convex structure, and the two ends of the convex structure bear the lower ends of the two L-shaped installation plates. An insulating plate 5 is provided at a side end of the base. And a limit stud is arranged on the bottom mounting bottom plate of the base in a threaded manner.
The travel of the limiting pin on the cylinder rod of the cylinder is limited by a limiting stop on the limiting rod, the position of the limiting stop is regulated by an adjusting bolt propped against the limiting rod, and the limiting stud plays a role in limiting the position of the base on the guide rod.
When the cylinder rod of the integral gun body mechanism is retracted, the movable electrode moves downwards, and the limiting pin is limited on the limiting stop block, the cylinder rod continues to retract, so that the mounting bottom plate is driven to lift upwards, at the moment, the electrostatic electrode mounting unit connected with the mounting bottom plate through the guide rod moves upwards, the limiting rod moves in the base, the upward movement of the static electrode is realized, and the action that the movable electrode and the static electrode are relatively far away is completed;
When the cylinder rod of the integral gun body mechanism extends out, the movable electrode moves upwards, the limiting pin releases the limit to enable the mounting bottom plate to move downwards, so that the electrostatic electrode mounting unit connected with the mounting bottom plate through the guide rod moves downwards, the static electrode moves downwards, the action that the movable electrode and the static electrode are relatively close to each other is completed, and at the moment, the welding operation can be performed.
The side of base is opened there is vertical mounting groove, installs clamp plate 10 in the outside of this mounting groove through the screw, the gag lever post remove in the space that upper portion mounting groove and clamp plate formed, install adjusting bolt in the bottom of mounting groove, this adjusting bolt and the internal thread threaded connection of gag lever post bottom system. A circle of limiting round table 22 is arranged on the adjusting bolt, and the limiting round table is limited on the mounting table which is perpendicular to the mounting groove.
During assembly, the integral gun body mechanism and the floating mechanism are arranged on the mounting bottom plate.
The guide rod is fixedly connected with the mounting bottom plate, and is mounted at the middle part of the base through an oil seal and a graphite bushing 17;
the spring sleeve rod passes through the hole on the base and is propped against the electrostatic electrode mounting unit of the integral gun body mechanism;
the spring is sleeved on the spring sleeve rod, the spring sleeve rod is provided with threads, and the compression amount of the spring can be adjusted through the position of the compression nut at the upper end;
The limiting rod is arranged in a rectangular mounting groove formed in the base, and the opening of the mounting groove is fixed by a pressing plate to prevent the limiting rod from falling out;
the adjusting bolt is connected with the base through the mounting groove, and the opening of the mounting groove is fixed by the pressing plate to prevent the adjusting bolt from falling out;
the limit stop is fixed with the limit rod through a clamping groove and a bolt.
When in operation, the device comprises:
Install the base on mounting plate's guide bar, the insulation board can guarantee welder whole and external insulation, and the installation bolt cooperation insulation board uses, avoids the electric leakage. When in welding, the cylinder rod of the air cylinder extends out, the electrode is propped against the plate, and the whole gun body mechanism moves downwards under the action of the cylinder rod because the plate is not moved, at the moment, the fixed electrode presses the plate, and the electrodes at the two ends are pressed and electrified for welding;
when the cylinder rod of the air cylinder retreats, the limiting pin presses the limiting stop, and after the limiting stop is pressed, the whole gun body mechanism can be lifted upwards because the limiting stop is not moved. At this time, the static electrode can also lift off the plate.
On one hand, the distance between the two electrodes and the plate can be adjusted by adjusting the heights of the adjusting bolt, the limiting rod and the limiting stop, and the plate is adjusted to a proper position, on the other hand, the tension of the spring can be adjusted by adjusting the compression nut on the spring sleeve rod so as to balance the gravity of the whole gun body mechanism, and the relative minimum position of the base and the mounting bottom plate can be adjusted by the limiting stud, so that the relative minimum position of the static electrode and the plate is adjusted.
When the device is used, the relative positions of the movable and static electrodes and the plate are adjusted to a proper distance through adjusting the limiting studs and the adjusting bolts, so that the device can be used.
Although the embodiments of the present invention and the accompanying drawings have been disclosed for illustrative purposes, those skilled in the art will appreciate that various substitutions, changes and modifications are possible without departing from the spirit and scope of the invention and the appended claims, and therefore the scope of the invention is not limited to the embodiments and the disclosure of the drawings.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411625796.XA CN119368895B (en) | 2024-11-14 | 2024-11-14 | A floating welding device for fixing a spot welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411625796.XA CN119368895B (en) | 2024-11-14 | 2024-11-14 | A floating welding device for fixing a spot welding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN119368895A CN119368895A (en) | 2025-01-28 |
| CN119368895B true CN119368895B (en) | 2025-10-24 |
Family
ID=94326378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411625796.XA Active CN119368895B (en) | 2024-11-14 | 2024-11-14 | A floating welding device for fixing a spot welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN119368895B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2837413A1 (en) * | 2002-03-19 | 2003-09-26 | Soudax Equipements | Machine for spot welding or crimping operations includes first and second operating devices to move mobile electrode to an approach position and to a welding or crimping position, respectively |
| CN207873377U (en) * | 2018-02-06 | 2018-09-18 | 苏州三德精密机械有限公司 | Electric resistance welder |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07214332A (en) * | 1994-02-04 | 1995-08-15 | Dengensha Mfg Co Ltd | Spot welding gun |
| EP0830916B1 (en) * | 1996-09-13 | 2001-12-05 | Dengensha Manufacturing Company Limited | Motor-driven resistance spot welding machine |
| CN201711649U (en) * | 2010-07-30 | 2011-01-19 | 天津七所高科技有限公司 | Pneumatic robot welding tongs |
| CN102873448B (en) * | 2011-07-12 | 2014-10-15 | 上海梅达焊接设备有限公司 | Self-adaption floatation pressure device for spot welding machine |
| CN202963774U (en) * | 2012-12-15 | 2013-06-05 | 东莞安达电机有限公司 | A structure-improved welding tongs |
| CN105382396B (en) * | 2015-12-08 | 2018-03-16 | 天津七所高科技有限公司 | A kind of integrated soldering turret with balance cylinder |
| CN208840689U (en) * | 2018-08-22 | 2019-05-10 | 小原(南京)机电有限公司 | A kind of novel aluminum alloy spot welding servo torch |
| CN216607599U (en) * | 2021-10-25 | 2022-05-27 | 天津市奥特威德焊接技术有限公司 | Transverse fixed welding gun |
-
2024
- 2024-11-14 CN CN202411625796.XA patent/CN119368895B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2837413A1 (en) * | 2002-03-19 | 2003-09-26 | Soudax Equipements | Machine for spot welding or crimping operations includes first and second operating devices to move mobile electrode to an approach position and to a welding or crimping position, respectively |
| CN207873377U (en) * | 2018-02-06 | 2018-09-18 | 苏州三德精密机械有限公司 | Electric resistance welder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN119368895A (en) | 2025-01-28 |
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