阅读说明：本技术 一种分块组合式傀儡焊装置 (Split combined puppet welding device ) 是由 蒙庆根 朱永辉 牛毅峰 于 2021-08-30 设计创作，主要内容包括：本发明提供了一种分块组合式傀儡焊装置,包括上电极组件、下电极组件,上电极组件包括上电极、上电极安装导电板、连接导电板、上电极焊接导电板、铰链四连杆机构、第一驱动,第一驱动与铰链四连杆机构相连,铰链四连杆机构与上电极安装导电板相连,上电极安装导电板一端安装有上电极上电极安装导电板另一端安装有连接导电板,连接导电板与上电极焊接导电板相接触；下电极组件包括下电极、第二驱动、导线、下电极焊接导电板,第二驱动与所述下电极相连,下电极与导线一端相连,导线另一端与下电极焊接导电板相连,导电板与上电极焊接导电板相连。本发明的有益效果是：本发明解决了下导轨与侧围零件常规焊钳无法焊接的焊点。(The invention provides a split combined puppet welding device, which comprises an upper electrode assembly and a lower electrode assembly, wherein the upper electrode assembly comprises an upper electrode, an upper electrode installation conducting plate, a connecting conducting plate, an upper electrode welding conducting plate, a hinge four-bar mechanism and a first drive, the first drive is connected with the hinge four-bar mechanism, the hinge four-bar mechanism is connected with the upper electrode installation conducting plate, one end of the upper electrode installation conducting plate is provided with the upper electrode installation conducting plate, the other end of the upper electrode installation conducting plate is provided with the connecting conducting plate, and the connecting conducting plate is contacted with the upper electrode welding conducting plate; the lower electrode assembly comprises a lower electrode, a second drive, a lead and a lower electrode welding conductive plate, the second drive is connected with the lower electrode, the lower electrode is connected with one end of the lead, the other end of the lead is connected with the lower electrode welding conductive plate, and the conductive plate is connected with the upper electrode welding conductive plate. The invention has the beneficial effects that: the invention solves the problem that the conventional welding tongs for the lower guide rail and the side wall part cannot weld welding spots.)

1. A split combined puppet welding device is characterized in that: the welding electrode structure comprises an upper electrode assembly and a lower electrode assembly (14), wherein the upper electrode assembly comprises an upper electrode (1), an upper electrode installation conducting plate (2), a connection conducting plate (4), an upper electrode welding conducting plate (5), a hinge four-bar mechanism and a first drive (11), the first drive (11) is connected with the hinge four-bar mechanism, the hinge four-bar mechanism is connected with the upper electrode installation conducting plate (2), the upper electrode (1) is installed at one end of the upper electrode installation conducting plate (2), the connection conducting plate (4) is installed at the other end of the upper electrode installation conducting plate (2), and the connection conducting plate (4) is in contact with the upper electrode welding conducting plate (5); the lower electrode assembly (14) comprises a lower electrode (15), a second drive, a lead (10) and a lower electrode welding conductive plate (8), the second drive is connected with the lower electrode (15), the lower electrode (15) is connected with one end of the lead (10), the other end of the lead (10) is connected with the lower electrode welding conductive plate (8), and the conductive plate (8) is connected with the upper electrode welding conductive plate (5); when a part is welded, the first drive (11) drives the hinge four-bar mechanism to move so as to drive the upper electrode (1) to be in contact with the part, meanwhile, the second drive drives the lower electrode (15) to extend out and be in contact with the part, and external welding tongs are respectively in contact with the upper electrode welding conductive plate (5) and the conductive plate (8) and discharge electricity to the upper electrode welding conductive plate and the conductive plate, so that welding is completed; after welding is finished, the first drive (11) drives the lower electrode (15) to retract by driving the hinge four-bar mechanism to move, and the second drive drives the lower electrode (15) to retract.

2. The combined puppet welding apparatus according to claim 1, wherein: the combined puppet welding device for blocking comprises an insulating gasket (3), wherein the insulating gasket (3) is arranged at the joint of the upper electrode installation conductive plate (2) and the four-bar hinge mechanism.

3. The combined puppet welding apparatus according to claim 2, wherein: the combined puppet welding device for blocking comprises a fixing plate (17), and the four-bar hinge mechanism is mounted on the fixing plate (17).

4. The combined puppet welding apparatus according to claim 3, wherein: the hinge four-bar mechanism comprises a secondary connecting bar (6), a movable connecting bar (7) and a primary connecting bar (9), one end of the movable connecting bar (7) is movably connected with the secondary connecting bar (6), the other end of the movable connecting bar (7) is movably connected with the primary connecting bar (9), the primary connecting bar (9) is installed on the fixed plate (17), and the primary connecting bar (9) is connected with the first drive (11); one end of the second-stage connecting rod (6) is arranged on the fixing plate (17), and the other end of the second-stage connecting rod (6) is connected with the upper electrode installation conducting plate (2).

5. The combined puppet welding apparatus according to claim 4, wherein: and the insulating gasket (3) is arranged between the secondary connecting rod (6) and the upper electrode installation conducting plate (2).

6. The combined puppet welding apparatus according to claim 4, wherein: the combined puppet welding device for blocking comprises an upper electrode module mounting plate (12), wherein the upper electrode module mounting plate (12) is mounted on the fixing plate (17).

7. The combined puppet welding apparatus according to claim 1, wherein: the combined puppet welding device comprises a lower electrode module mounting plate (13), and the lower electrode module mounting plate (13) is mounted on the lower electrode assembly (14).

8. The combined puppet welding apparatus according to claim 1, wherein: the first drive (11) is a clamping cylinder, and the second drive is an integrated cylinder.

9. The combined puppet welding apparatus according to claim 1, wherein: go up electrode installation current conducting plate (2), connect current conducting plate (4) go up electrode welding current conducting plate (5) down electrode welding current conducting plate (8) are made for the copper product material.

Technical Field

The invention relates to the field of vehicle body manufacturing, in particular to a split combined puppet welding device.

Background

The existing white body welding usually adopts resistance electric welding, and a proper welding tongs is selected according to the structure and the shape of a part. On the welding spot positioning station, when a certain welding spot is positioned at the throat width and the throat depth is large, a special welding tongs needs to be customized according to specific conditions. The welding tongs at the station have multiple models and the operation difficulty of workers is high. Different soldering turret equipment is installed for the welding points at different positions, and the soldering turret equipment cannot be used universally.

Disclosure of Invention

The invention provides a split combined puppet welding device, which comprises an upper electrode assembly and a lower electrode assembly, wherein the upper electrode assembly comprises an upper electrode, an upper electrode installation conductive plate, a connecting conductive plate, an upper electrode welding conductive plate, a hinge four-bar mechanism and a first drive, the first drive is connected with the hinge four-bar mechanism, the hinge four-bar mechanism is connected with the upper electrode installation conductive plate, and one end of the upper electrode installation conductive plate is provided with the upper electrode; the other end of the upper electrode mounting conductive plate is provided with the connecting conductive plate, and the connecting conductive plate is in contact with the upper electrode welding conductive plate; the lower electrode assembly comprises a lower electrode, a second drive, a lead and a lower electrode welding conductive plate, the second drive is connected with the lower electrode, the lower electrode is connected with one end of the lead, the other end of the lead is connected with the lower electrode welding conductive plate, and the conductive plate is connected with the upper electrode welding conductive plate; when a part is welded, the first drive drives the upper electrode to be in contact with the part by driving the hinge four-bar linkage mechanism to move, meanwhile, the second drive drives the lower electrode to extend out and be in contact with the part, and external welding tongs are respectively in contact with the upper electrode welding conductive plate and the conductive plate and discharge electricity to the upper electrode welding conductive plate and the conductive plate, so that welding is completed; after welding is finished, the first drive drives the lower electrode to retract by driving the hinge four-bar mechanism to move, and the second drive drives the lower electrode to retract.

As a further improvement of the present invention, the combined puppet welding apparatus for blocking includes an insulating gasket, and the insulating gasket is mounted at a connection point of the upper electrode mounting conductive plate and the hinge four-bar linkage.

As a further improvement of the present invention, the combined puppet welding apparatus for blocking includes a fixing plate, and the four-bar hinge mechanism is mounted on the fixing plate.

As a further improvement of the present invention, the hinge four-bar linkage comprises a secondary connecting bar, a movable connecting bar and a primary connecting bar, wherein one end of the movable connecting bar is movably connected with the secondary connecting bar, the other end of the movable connecting bar is movably connected with the primary connecting bar, the primary connecting bar is installed on the fixed plate, and the primary connecting bar is connected with the first drive; one end of the second-stage connecting rod is installed on the fixing plate, and the other end of the second-stage connecting rod is connected with the upper electrode installation conducting plate.

As a further improvement of the invention, the insulating gasket is arranged between the secondary connecting rod and the upper electrode installation conducting plate.

As a further improvement of the present invention, the combined puppet welding apparatus for blocking includes an upper electrode module mounting plate, and the upper electrode module mounting plate is mounted on the fixing plate.

As a further improvement of the present invention, the combined puppet welding apparatus includes a lower electrode module mounting plate, and the lower electrode module mounting plate is mounted on the lower electrode assembly.

As a further improvement of the invention, the first drive is a clamping cylinder and the second drive is an integrated cylinder.

As a further improvement of the present invention, the upper electrode mounting conductive plate, the connection conductive plate, the upper electrode welding conductive plate, and the lower electrode welding conductive plate are made of copper material.

The invention has the beneficial effects that: 1. by using the combined puppet welding device, the problem that the conventional electrode holder for the lower guide rail and the side wall part cannot weld a welding spot is solved; 2. the combined puppet welding device for blocking reduces the specification of electrode holder customization; 3. the combined puppet welding device can be used on a station welding spot which cannot be welded and is large in man-machine engineering, and the spatial arrangement is not limited; 4. the combined puppet welding device saves the equipment investment cost.

Drawings

FIG. 1 is an axial view of a combined puppet welding apparatus according to the present invention;

FIG. 2 is a front view of a combined puppet welding apparatus according to the present invention;

fig. 3 is a left side view of the combined puppet welding apparatus according to the present invention;

fig. 4 is a top view of the combined puppet welding apparatus for partitioning.

Detailed Description

As shown in fig. 1-4, the present invention discloses a split combined puppet welding device, which comprises an upper electrode assembly and a lower electrode assembly 14, wherein the upper electrode assembly comprises an upper electrode 1, an upper electrode mounting conductive plate 2, a connecting conductive plate 4, an upper electrode welding conductive plate 5, a four-bar-linkage hinge mechanism, and a first driver 11, the first driver 11 is connected to the four-bar-linkage hinge mechanism, the four-bar-linkage hinge mechanism is connected to the upper electrode mounting conductive plate 2, and the upper electrode 1 is mounted at one end of the upper electrode mounting conductive plate 2; the other end of the upper electrode mounting conductive plate 2 is provided with the connecting conductive plate 4, and the connecting conductive plate 4 is in contact with the upper electrode welding conductive plate 5; the lower electrode assembly 14 comprises a lower electrode 15, a second driver, a lead 10 and a lower electrode welding conductive plate 8, wherein the second driver is connected with the lower electrode 15, the lower electrode 15 is connected with one end of the lead 10, the other end of the lead 10 is connected with the lower electrode welding conductive plate 8, and the conductive plate 8 is connected with the upper electrode welding conductive plate 5; when a part is welded, the first drive 11 drives the hinge four-bar mechanism to move so as to drive the upper electrode 1 to be in contact with the part, meanwhile, the second drive drives the lower electrode 15 to extend out and be in contact with the part, and external welding tongs are respectively in contact with the upper electrode welding conductive plate 5 and the conductive plate 8 and discharge electricity to the upper electrode welding conductive plate and the conductive plate, so that welding is completed; after welding is completed, the first driver 11 drives the hinge four-bar mechanism to move so as to drive the lower electrode 15 to retract, and the second driver drives the lower electrode 15 to retract.

The first drive 11 and the second drive respectively drive the upper electrode 1 and the lower electrode 15 to reciprocate, and the combined puppet welding apparatus is in an open circuit state when the upper electrode 1 and the lower electrode 15 are separated; when the upper electrode 1 and the lower electrode 15 are in contact with the parts together, the whole combined puppet welding device forms a loop, and external welding discharges to the upper electrode welding conductive plate 5 and the conductive plate 8 to complete welding.

The combined puppet welding device for blocking comprises an insulating gasket 3, wherein the insulating gasket 3 is installed at the joint of the upper electrode installation conductive plate 2 and the four-bar hinge mechanism.

This combination formula puppet welds device of piecemeal is including connecting current conducting plate 4, go up electrode installation current conducting plate 2 one end and install go up electrode 1, go up electrode installation current conducting plate 2 other end and install connect current conducting plate 4, work as first drive 11 drive hinge four-bar linkage drives when going up electrode installation current conducting plate 2 motion, connect current conducting plate 4 can with go up electrode welding current conducting plate 5 contact.

The combined puppet welding device comprises a fixed plate 17, and the four-bar hinge mechanism is mounted on the fixed plate 17.

The hinge four-bar linkage mechanism comprises a secondary connecting bar 6, a movable connecting bar 7 and a primary connecting bar 9, one end of the movable connecting bar 7 is movably connected with the secondary connecting bar 6, the other end of the movable connecting bar 7 is movably connected with the primary connecting bar 9, the primary connecting bar 9 is arranged on the fixed plate 17, and the primary connecting bar 9 is connected with the first drive 11; one end of the second-stage connecting rod 6 is arranged on the fixing plate 17, and the other end of the second-stage connecting rod 6 is connected with the upper electrode installation conducting plate 2.

The insulating gasket 3 is arranged between the secondary connecting rod 6 and the upper electrode installation conducting plate 2.

The combined puppet welding device for blocking comprises an upper electrode module mounting plate 12, and the upper electrode module mounting plate 12 is mounted on the fixing plate 17.

The combined puppet welding device comprises a lower electrode module mounting plate 13, and the lower electrode module mounting plate 13 is mounted on the lower electrode assembly 14.

The first drive 11 and the second drive 14 are cylinders. The first drive 11 is a clamping cylinder and the second drive is an integrated cylinder.

The upper electrode installation conducting plate 2, the connection conducting plate 4, the upper electrode welding conducting plate 5 and the lower electrode welding conducting plate 8 are made of copper materials.

The invention discloses a split combined puppet welding device which is characterized in that an upper electrode assembly and a lower electrode assembly are innovatively split, independently designed and independently installed, and a copper plate cable (a lower electrode welding conductive plate 8 and a lead 10) is used for carrying out electric welding by an external electrode holder. The main body mechanism is unchanged, and the transition mounting plate mechanism can be designed secondarily according to the working conditions of the splicing table and is suitable for positioning spot welding under different conditions.

The working process is as follows:

initial state: the lower electrode 15 is in a retracted state and the upper electrode cylinder (first driving 11) is in an open state (at this time, the connection conductive plate 4 is separated from the upper electrode welding conductive plate 5).

The working state is as follows: the upper electrode and the lower electrode are installed in place according to the shape of the part, the part is placed, an upper electrode cylinder clamps tightly (at the moment, a hinge four-bar mechanism is driven to move, so that the upper electrode 1 is in contact with the part), an integrated cylinder (driven by a second driving mode) drives the lower electrode to extend out, an external welding tongs performs welding discharge at a lower electrode welding current-conducting plate 8 and an upper electrode welding current-conducting plate 5, welding is completed, the upper electrode and the lower electrode are opened, and work is completed.

The innovation points of the invention are as follows:

1. the upper and lower electrodes of the combined puppet welding device are separately and independently installed.

2. The combined puppet welding device for blocking can overcome the restriction of the parameters of the throat depth and the throat width of the conventional electrode holder.

3. The upper electrode of the combined puppet welding device adopts a four-bar hinge mechanism, so that the pressure and the stability are improved.

4. The lower electrode of the combined puppet welding device adopts a structure of a common electrode holder part, and the expansion amount can be controlled.

5. The combined puppet welding device for partitioning adopts copper plate conduction to discharge from the peripheral electrode holder to the position of the welding spot on the surface of the part, and has better man-machine engineering.

The invention has the beneficial effects that: 1. by using the combined puppet welding device, the problem that the conventional electrode holder for the lower guide rail and the side wall part cannot weld a welding spot is solved; 2. the combined puppet welding device for blocking reduces the specification of electrode holder customization; 3. the combined puppet welding device can be used on a station welding spot which cannot be welded and is large in man-machine engineering, and the spatial arrangement is not limited; 4. the combined puppet welding device saves the equipment investment cost.

The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.