CN215316272U - A balanced electrically conductive device for hinder welds - Google Patents

Abstract

The utility model provides a balance conducting device for solder resist, and relates to the technical field of machining. The balance conductive device comprises a conductive copper plate, an upper electrode assembly, a pressurizing mechanism assembly, a conductive soft copper strip and a conductive soft strip. This balanced electrically conductive device mainly used hinders and welds a plurality of electrode tips simultaneous workings, utilizes mechanical lever principle automatic compensation height difference, can convenient and fast ground adjust two upper electrode parallel and levels, and quick balance compresses tightly the work piece, and balanced electrically conductive effect that compresses tightly is reliable, realizes that the welding back work piece solder joint is firm, satisfies the welding requirement, avoids the quality problem because of two electrode height inconsistent false welding brings, is showing and promotes the welding quality, reduces manual debugging operation and has reduced the cost of labor.

Description

A balanced electrically conductive device for hinder welds

Technical Field

The utility model belongs to the technical field of machining, relates to resistance welding equipment, and particularly relates to a balance conductive device for resistance welding.

Background

The electric resistance welder is a device which compresses the workpiece to be welded between two electrodes, applies current, and heats the workpiece to a melting or plastic state by using the electric resistance heat effect generated by the current flowing through the contact surface and the adjacent area of the workpiece, so as to form metal combination. The pneumatic pressurizing and buffering device for the resistance welding electrode is a key component for transmitting welding pressure of resistance welding, particularly keeps the stability of the electrode pressure along with the change of welding points during welding, and is an important index for reflecting high-quality welding.

Existing resistance welders typically include two welding heads, a first welding head and a second welding head. The two welding heads move up and down through the movement of a following mechanism. Since the two welding heads are fixed relative to each other, i.e. the relative position cannot be adjusted. Hardly adjust the parallel and level with two bonding tools, and resistance welding's welding needle is because of receiving abominable operating condition influences such as high temperature in the twinkling of an eye, cooling, very easily causes the welding needle phenomenon of wearing and tearing, causes the welding needle actual size on two stations to have the difference, under same servo mechanism's effect, must cause two stations to treat the pressure value of machined part different, and this just makes when two bonding tools wear and decreases the nonconformity, can cause rosin joint and false welding, seriously influences the welding quality. Various studies have been made in the art to improve the welding quality of resistance welding.

For example, chinese patent application CN204639422U discloses a resistance welding double-pressing head and a resistance welding machine, which facilitate the adjustment of the positions of two welding heads to ensure the welding quality. The welding head fixing device comprises a first welding head and a second welding head, and further comprises a cylinder fixing plate and a module fixing plate connected with the cylinder fixing plate, wherein a first cylinder and a second cylinder are installed on the cylinder fixing plate, a first sliding rail and a second sliding rail are arranged on the module fixing plate, a first fixing block in sliding fit with the first sliding rail is installed on the first sliding rail, a first conductive chuck is installed on the first fixing block, the first welding head is installed on the first conductive chuck, the first cylinder is connected with the first fixing block, a second fixing block in sliding fit with the second sliding rail is installed on the second sliding rail, a second conductive chuck is installed on the second fixing block, the second welding head is installed on the second conductive chuck, and the second cylinder is connected with the second fixing block.

Further, as disclosed in chinese patent application CN112122759A, a double-station resistance welding head device includes a base equipped with two lower electrodes and an electric welding module provided on the base and having a two-station structure; the electric welding module consists of two independent single-station electric welding units, wherein each electric welding unit comprises a control panel, a welding following mechanism arranged on a base, a displacement sensor and a pressure following mechanism arranged on the welding following mechanism, an electrode clamping seat arranged at the output end of the pressure following mechanism and an upper electrode which is clamped on the electrode clamping seat and is arranged corresponding to the lower electrode; the welding following mechanism, the displacement sensor, the pressure following mechanism, the lower electrode and the upper electrode are respectively in signal connection with the control board. The utility model effectively solves the technical problems that welding defects are caused by inconsistent pressure values of welding pins of two stations when the existing double-station resistance welding head is used for welding, welding quality cannot be monitored by detecting the welding depth condition, and the welding quality is difficult to ensure.

The solder resist welding device in the prior art does not solve the following problems:

1. the solder mask welding device has a complex mechanical structure, so that the installation and maintenance costs are high;

2. the welding process needs manual regulation and control at any time, and degree of automation is low, and is high to operating personnel skill requirement, and the human cost is high.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides a balance conducting device for solder resist. The conductive balancing device is mainly used for welding a plurality of electrode tips and can realize rapid balance and compression of workpieces for welding operation. The conductive balance device automatically compensates the height difference value through the mechanical lever principle after being pressed down, the balance compression conductive effect is reliable, the welding spot of a workpiece is firm after welding, and the welding requirement can be well met.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

a balance conductive device comprises a conductive copper plate (1), an upper electrode assembly (2), a pressurizing mechanism assembly (3), a conductive soft copper strip (4) and a conductive soft strip (5); the upper electrode assembly (2) is fixed on the pressurizing mechanism assembly (3), and the conductive copper plate (1), the conductive soft copper strip (4) and the conductive soft strip (5) form a loop to be connected to the upper electrode assembly (2).

Further, the balance conductive device, the pressurizing mechanism assembly (3) comprises: the oil seal device comprises an air cylinder (24), an air cylinder mounting plate (25), a sliding shaft seat (26), a guide rod (27), a guide seat (28), a linear bearing (29), a sliding shaft (30), a connecting plate (31), an oil-free bushing (32), an oil seal (33) and an oil seal baffle plate (34); the air cylinder fixing device comprises an air cylinder fixing body (24), a sliding shaft seat (26), a guide seat (28), a guide rod (27) and the guide seat (28), a connecting plate (31), a linear bearing (29) and an oil-free bush (32) are fixed on the sliding shaft seat (26), one end of the sliding shaft (30), one end of the linear bearing (29) and the oil-free bush (32) are matched and fixed on the connecting plate (31), and the other end of the sliding shaft is in threaded connection with the air cylinder (24).

Furthermore, the type of the air cylinder (24) in the pressurizing mechanism assembly (3) of the balance conductive device is YCDS1FN160-175-A54K, the cylinder diameter is 160mm, the stroke is 175mm, the piston movement speed is 50-500mm/s, the pressure range is 0.05-1.0MPa, the used fluid is air, the pushing force is 10050N/0.5MPa, and the pulling force is 9400N/0.5 MPa.

Furthermore, the upper electrode assembly (2) of the balance conductive device comprises an upper electrode 1(6), a left upper electrode seat (7), a left upper electrode bottom plate (8), a connecting plate 1(9), a guide sleeve (10), a support shaft 1(11), a lever seat (12), a pin shaft 1(13), a lever (14), a pin shaft 2(15), a pin shaft 3(16), a support shaft 2(17), a connecting plate 2(18), a right upper electrode bottom plate (19), an upper electrode 2(20), a C-shaped clamping ring 1(21), a C-shaped clamping ring 2(22) and a C-shaped clamping ring 3 (23); the guide sleeve (10) is fixed on the lever seat (12), the support shaft 1(11) penetrates through the guide sleeve (10) and is fixed on the lever (14) through the pin shaft 2(15), the support shaft 2(17) is fixed on the lever (14) through the pin shaft 2(15), the lever (14) is fixed on the lever seat (12) through the pin shaft 2(15), the connecting plate 1(9) is fixed on the support shaft 1(11), the connecting plate 2(18) is fixed on the support shaft 2(17), the upper left electrode base plate (8) is fixed on the connecting plate (9), the upper left electrode seat (7) is fixed on the upper left electrode base plate (8), and the upper electrode (6) is fixed on the upper left electrode seat (7).

Further, the balance conductive device, the upper electrode 1(6) and the upper electrode 2(20) are arranged in parallel in the vertical direction.

Furthermore, the lever (14) of the balance conducting device is made of uniform material, and the lengths of force arms on two sides are equal; the distance from the pin 1(13) to the pin 2(15) is the same as that from the pin 3 (16).

Compared with the prior art, the utility model has the following beneficial effects:

1. the welding process utilizes mechanical lever principle automatic compensation height difference, need not manual intervention, and it is reliable to compress tightly the back electrically conductive effect, prevents that the work piece from taking place to move at the horizontal direction, reduces to hinder and welds the quality risk that the multiple spot welding detached simultaneously to realize the high accuracy of welded and the high strength of solder joint.

2. The resistance welding device is simple and convenient to arrange, compact in space, easy to assemble and easy to maintain; the universal standard workpiece is adopted, the processing is simple and convenient, the purchase is easy, and the cost is low.

Drawings

FIG. 1 is a front view of the balance conductive device;

FIG. 2 is a side view of the present balanced conductive assembly;

FIG. 3 is a front view of the upper electrode assembly;

FIG. 4 is a cross-sectional view of the upper electrode assembly in a released condition;

FIG. 5 is a cross-sectional view of the upper electrode assembly in a compressed state;

FIG. 6 is a schematic diagram of a top electrode assembly;

FIG. 7 is a cross-sectional view of the upper electrode assembly.

Reference numerals: 1-conductive copper plate, 2-upper electrode component, 3-pressurizing mechanism component, 4-conductive soft copper strip, 5-conductive soft strip, 6-upper electrode 1, 7-upper left electrode seat, 8-upper left electrode base plate, 9-connecting plate 1, 10-guide sleeve, 11-supporting shaft 1, 12-lever seat, 13-pin shaft 1, 14-lever, 15-pin shaft 2, 16-pin shaft 3, 17-supporting shaft 2, 18-connecting plate 2, 19-upper right electrode base plate, 20-upper electrode 2, 21-C type clamping ring 1, 22-C type clamping ring 2, 23-C type clamping ring 3, 24-cylinder, 25-cylinder mounting plate, 26-sliding shaft seat, 27-guide rod, 28-guide seat, 29-linear bearing, 30-sliding shaft, 31-connecting plate, 32-oilless bushing, 33-oil seal and 34-oil seal baffle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.

Examples

As shown in fig. 1-2, the balance conductive device for solder mask of the present invention comprises a conductive copper plate (1), an upper electrode assembly (2), a pressing mechanism assembly (3), a conductive soft copper belt (4), and a conductive soft belt (5); the upper electrode assembly (2) is shown in fig. 3-5, and comprises an upper electrode 1(6), a left upper electrode seat (7), a left upper electrode bottom plate (8), a connecting plate (9), a guide sleeve (10), a supporting shaft 1(11), a lever seat (12), a pin shaft 1(13), a lever (14), a pin shaft 2(15), a pin shaft 3(16), a supporting shaft 2(17), a connecting plate (18), a right upper electrode bottom plate (19), an upper electrode 2(20), a C-shaped clamping ring 1(21), a C-shaped clamping ring 2(22) and a C-shaped clamping ring 3 (23); the guide sleeve (10) is fixed on the lever seat (12), the support shaft penetrates through the guide sleeve (10) and is fixed on the lever (14) through a pin shaft 2(15), the support shaft 2(17) is fixed on the lever (14) through a pin shaft 2(15), the lever (14) is fixed on the lever seat (12) through a pin shaft 2(15), the connecting plate (9) is fixed on the support shaft 1(11), the connecting plate (18) is fixed on the support shaft 2(17), the upper left electrode base plate (8) is fixed on the connecting plate (9), the upper left electrode seat (7) is fixed on the upper left electrode base plate (8), and the upper electrode (6) is fixed on the upper left electrode seat (7); wherein, the pressurizing mechanism component (3) comprises an air cylinder (24), an air cylinder mounting plate (25), a sliding shaft seat (26), a guide rod (27), a guide seat (28), a linear bearing (29), a sliding shaft (30), a connecting plate (31), an oilless bushing (32), an oil seal (33) and an oil seal baffle plate (34) as shown in figures 6-7, the air cylinder fixing device comprises an air cylinder fixing body (24), a sliding shaft seat (26), a guide seat (28), a guide rod (27) and the guide seat (28), a connecting plate (31), a linear bearing (29) and an oil-free bush (32) are fixed on the sliding shaft seat (26), one end of the sliding shaft (30), one end of the linear bearing (29) and the oil-free bush (32) are matched and fixed on the connecting plate (31), and the other end of the sliding shaft is in threaded connection with the air cylinder (24).

The working process of the balance conductive device is as follows:

the upper electrode assembly (2) is fixed on the pressurizing mechanism (3), the pressurizing mechanism (3) pushes the upper electrode assembly (2) to compress a workpiece after ventilation, and a secondary loop consisting of the conductive copper plate (1), the conductive soft copper strip (4) and the conductive soft strip (5) is connected with a device transformer to generate discharge welding.

The specific mode that the upper electrode assembly (2) is pressed down after being ventilated by the pressurizing mechanism (3) is as follows:

after the pressurizing mechanism (3) is ventilated, the upper electrode assembly (2) is pushed to press the workpiece, the upper electrodes (1), (6) and the upper electrodes (2), (20) are pressed downwards, the electrode tips which are contacted firstly push the lever (14) through the supporting shaft, and the supporting shaft on the other side pushes the upper electrodes to automatically compensate the height difference of electrode abrasion. When the pressurizing mechanism (3) is not ventilated, the upper electrode assembly (2) is in a release state as shown in fig. 4; when the pressurizing mechanism (3) is ventilated, the upper electrode assembly (2) is in a compressed state as shown in fig. 5.

The above technical features constitute the best embodiment of the present invention, which has strong adaptability and best implementation effect, and unnecessary technical features can be added or subtracted according to actual needs to meet the needs of different situations.

Finally, it should be noted that the above-mentioned contents are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, and that the simple modifications or equivalent substitutions of the technical solutions of the present invention by those of ordinary skill in the art can be made without departing from the spirit and scope of the technical solutions of the present invention.

Claims (6)

1. A balanced conductive device, comprising: the balance conducting device comprises a conducting copper plate (1), an upper electrode assembly (2), a pressurizing mechanism assembly (3), a conducting soft copper strip (4) and a conducting soft strip (5); the upper electrode assembly (2) is fixed on the pressurizing mechanism assembly (3), and the conductive copper plate (1), the conductive soft copper strip (4) and the conductive soft strip (5) form a loop to be connected to the upper electrode assembly (2).

2. The balanced conductive device according to claim 1, characterized in that the pressurizing mechanism assembly (3) comprises a cylinder (24), a cylinder mounting plate (25), a sliding shaft seat (26), a guide rod (27), a guide seat (28), a linear bearing (29), a sliding shaft (30), a connecting plate (31), an oil-free bushing (32), an oil seal (33) and an oil seal baffle plate (34); wherein the cylinder is fixed (24) on the cylinder mounting plate (25), the sliding shaft seat (26) is fixed on the cylinder mounting plate (25), the guide seat (28) is fixed on the sliding shaft seat (26), the guide rod (27) is fixed on the connecting plate (31) in cooperation with the guide seat (28), the linear bearing (29) is fixed on the sliding shaft seat (26) with the oilless bush (32), the sliding shaft (30) is fixed on the connecting plate (31) with the linear bearing (29) and the oilless bush (32) in cooperation, and one end is in threaded connection with the cylinder (24).

3. The balanced conductive device according to claim 2, characterized in that the cylinder (24) in the pressurizing mechanism assembly (3) has the model number YCDS1FN160-175-A54K, the cylinder diameter is 160mm, the stroke is 175mm, the piston moving speed is 50-500mm/s, the pressure range is 0.05-1.0MPa, the fluid is air, the pushing force is 10050N/0.5MPa, and the pulling force is 9400N/0.5 MPa.

4. The balanced conductive apparatus of claim 1, wherein: the upper electrode assembly (2) comprises an upper electrode 1(6), a left upper electrode seat (7), a left upper electrode bottom plate (8), a connecting plate 1(9), a guide sleeve (10), a supporting shaft 1(11), a lever seat (12), a pin shaft 1(13), a lever (14), a pin shaft 2(15), a pin shaft 3(16), a supporting shaft 2(17), a connecting plate 2(18), a right upper electrode bottom plate (19), an upper electrode 2(20), a C-shaped clamping ring 1(21), a C-shaped clamping ring 2(22) and a C-shaped clamping ring 3 (23); the guide sleeve (10) is fixed on the lever seat (12), the support shaft 1(11) penetrates through the guide sleeve (10) and is fixed on the lever (14) through the pin shaft 2(15), the support shaft 2(17) is fixed on the lever (14) through the pin shaft 2(15), the lever (14) is fixed on the lever seat (12) through the pin shaft 2(15), the connecting plate 1(9) is fixed on the support shaft 1(11), the connecting plate 2(18) is fixed on the support shaft 2(17), the upper left electrode base plate (8) is fixed on the connecting plate (9), the upper left electrode seat (7) is fixed on the upper left electrode base plate (8), and the upper electrode (6) is fixed on the upper left electrode seat (7).

5. The balanced conductive apparatus of claim 4, wherein: the upper electrode 1(6) and the upper electrode 2(20) are arranged in parallel in the vertical direction.

6. The balanced conductive apparatus of claim 4, wherein: the lever (14) is made of uniform material, and the lengths of force arms on two sides are equal; the distance from the pin 1(13) to the pin 2(15) is the same as that from the pin 3 (16).

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