CN215200118U

CN215200118U - Double-station resistance welding equipment

Info

Publication number: CN215200118U
Application number: CN202121076152.1U
Authority: CN
Inventors: 刘红伟; 代鲁宁
Original assignee: Qingdao Leke Intelligent Equipment Co ltd
Current assignee: Qingdao Leke Intelligent Equipment Co ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2021-12-17
Anticipated expiration: 2031-05-19

Abstract

The utility model discloses a duplex position resistance welding equipment relates to duplex position resistance welding equipment technical field. Including a welding station, a welding station lower extreme and slip table cylinder upper end fixed connection, slip table cylinder lower extreme and linear slide rail upper end sliding connection, linear slide rail bottom and equipment shell fixed connection, a welding station right-hand member and no pole cylinder left end fixed connection, no pole cylinder right-hand member and No. two welding station left end fixed connection, no pole cylinder and No. two welding station lower extremes all with linear slide rail upper end sliding connection, be provided with inductive switch in the equipment shell. This duplex position resistance welding equipment through being provided with welding station and No. two welding stations, just can improve for the production speed of single-station resistance welding, and the short heat concentration of heating time simultaneously, so the heat affected zone is little, and deformation and stress are also little, needn't arrange correction and heat treatment process after welding usually, and production efficiency is high.

Description

Double-station resistance welding equipment

Technical Field

The utility model relates to a duplex position resistance welding equipment technical field specifically is a duplex position resistance welding equipment.

Background

Resistance welding is a method of welding by applying pressure while locally heating a workpiece by using resistance heat generated by passing a current through the workpiece and a contact portion as a heat source. During welding, metal does not need to be filled, the production efficiency is high, the deformation of a weldment is small, and the automation is easy to realize. Resistance welding uses the effect of electrical resistance heat generated by current flowing through the workpiece contact surface and adjacent areas to heat it to a molten or plastic state to form a metallic bond. The resistance welding method mainly includes four methods, namely spot welding, seam welding, projection welding and butt welding.

Among the prior art, current resistance welding equipment is the simplex position, when welding through simplex position resistance and operate, if need welded work piece quantity more, the speed that simplex position resistance welded just can be obviously not enough, just so can make resistance welding's work efficiency low.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a to prior art not enough, the utility model provides a duplex position resistance welding equipment has solved the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a double-station resistance welding device comprises a first welding station, the lower end of the first welding station is fixedly connected with the upper end of a sliding table cylinder, the lower end of the sliding table cylinder is connected with the upper end of the linear slide rail in a sliding way, the bottom end of the linear slide rail is fixedly connected with the equipment shell, the right end of the first welding station is fixedly connected with the left end of the rodless cylinder, the right end of the rodless cylinder is fixedly connected with the left end of the second welding station, the lower ends of the rodless cylinder and the second welding station are both connected with the upper end of the linear slide rail in a sliding way, an inductive switch is arranged in the equipment shell, the number of the inductive switches is two, the inductive switches are distributed in bilateral symmetry with respect to the equipment shell, the first electrode assembly is arranged on the left side of the equipment shell, the left end of the first electrode assembly is fixedly connected with the right end of the first support rod, the right side of the equipment shell is provided with a second electrode assembly, and the right end of the second electrode assembly is fixedly connected with the left end of the second support rod.

Preferably, the upper end of the first welding station is movably connected with the lower end of the first downward pressing welding piece, and the right end of the first downward pressing welding piece is fixedly connected with the left end of the fixed connecting piece.

Preferably, the right end of the fixed connecting piece is fixedly connected with the left end of the second downward pressing welding piece, and the left end of the first downward pressing welding piece is slidably connected with the right end of the limiting block.

Preferably, the number of the limiting blocks is two, and the limiting blocks are distributed in a left-right symmetrical mode about the first downward pressing welding piece and the second downward pressing welding piece.

Preferably, a power supply starting switch is arranged at the upper end of the equipment shell, and a pressure control device is arranged at the left end of the equipment shell.

Preferably, the pressure control device is provided with a pressure switch, the right end of the pressure switch is provided with a variable pressure regulating switch, the lower end of the pressure switch is provided with a pressure regulator, and the right end of the pressure regulator is provided with a pressure display screen.

(III) advantageous effects

The utility model provides a duplex position resistance welding equipment. The method has the following beneficial effects:

(1) this duplex position resistance welding equipment through being provided with welding station and No. two welding stations, just can improve for the production speed of single-station resistance welding like this, and heating time is short simultaneously, and the heat is concentrated, so the heat affected zone is little, and deformation and stress are also little, needn't arrange correction and thermal treatment process after welding usually, and production efficiency is high.

(2) The double-station resistance welding equipment heats the workpiece to a molten or plastic state by utilizing resistance heat generated by current flowing through the contact surface and the adjacent area of the workpiece, so that metal combination is formed, filler metals such as welding wires and welding rods and welding materials such as oxygen, acetylene and hydrogen are not needed, the welding cost is low, the operation is simple, the mechanization and the automation are easy to realize, and the labor condition is improved.

Drawings

Fig. 1 is a schematic structural view of the overall front view of the present invention;

fig. 2 is an enlarged schematic view of the structure a of the present invention.

In the figure: 1 welding station, 2 slip table cylinders, 3 linear slide rail, 4 equipment casings, 5 rodless cylinders, 6 welding station two, 7 inductive switch, 8 electrode subassembly, 9 bracing piece, 10 electrode subassembly two, 11 bracing piece, 12 pushing down the welding piece, 13 pushing down the welding piece two, 14 fixed connection spare, 15 stopper, 16 power starting switch, 17 pressure control device, 18 pressure switch, 19 vary voltage regulating switch, 20 pressure regulator, 21 pressure display screen.

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 some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a double-station resistance welding device comprises a first welding station 1, the lower end of the first welding station 1 is fixedly connected with the upper end of a sliding table cylinder 2, the lower end of the sliding table cylinder 2 is connected with the upper end of a linear slide rail 3 in a sliding manner, the bottom end of the linear slide rail 3 is fixedly connected with a device shell 4, the right end of the first welding station 1 is fixedly connected with the left end of a rodless cylinder 5, the right end of the rodless cylinder 5 is fixedly connected with the left end of a second welding station 6, the lower ends of the rodless cylinder 5 and the second welding station 6 are both connected with the upper end of the linear slide rail 3 in a sliding manner, an inductive switch 7 is arranged in the device shell 4, two inductive switches 7 are arranged in a left-right symmetrical manner relative to the device shell 4, a first electrode assembly 8 is arranged on the left side of the device shell 4, the left end of the first electrode assembly 8 is fixedly connected with the right end of a first supporting rod 9, a second electrode assembly 10 is arranged on the right side of the device shell 4, and a second electrode assembly 10 is fixedly connected with the left end of a second supporting rod 11, the upper end of a first welding station 1 is movably connected with the lower end of a first downward-pressing welding part 12, the right end of the first downward-pressing welding part 12 is fixedly connected with the left end of a fixed connecting part 14, the right end of the fixed connecting part 14 is fixedly connected with the left end of a second downward-pressing welding part 13, the left end of the first downward-pressing welding part 12 is slidably connected with the right end of a limiting block 15, the limiting blocks 15 are two in number and are distributed in a bilateral symmetry mode relative to the first downward-pressing welding part 12 and the second downward-pressing welding part 13, the first welding station 1 and the second welding station 6 are arranged, so that the production speed relative to single-station electric resistance welding is improved, the heating time is short, heat is concentrated, the heat affected zone is small, the deformation and the stress are also small, correction and heat treatment processes are not required to be arranged after welding, and the production efficiency is high.

The upper end of the equipment shell 4 is provided with a power supply starting switch 16, the left end of the equipment shell 4 is provided with a pressure control device 17, a pressure switch 18 is arranged on the pressure control device 17, the right end of the pressure switch 18 is provided with a variable pressure adjusting switch 19, the lower end of the pressure switch 18 is provided with a pressure adjuster 20, the right end of the pressure adjuster 20 is provided with a pressure display screen 21, the pressure of a first pressing welding part 12 and a second pressing welding part 13 can be controlled by the pressure control device 17, and the working efficiency is effectively improved.

When the welding machine works (or is used), firstly, a workpiece is manually placed on a first welding station 1, then, after an inductive switch 7 at the lower part of the tool detects the workpiece, a power supply starting switch 16 is started by pressing two hands, so that the equipment starts to work, then, a rodless cylinder 5 drives a linear slide rail 3 at the upper part to move rightwards, the rodless cylinder 5 drives the first welding station 1 to move to the lower ends of a first press welding part 12 and a second press welding part 13, meanwhile, the second welding station 6 at the right end carries out workpiece assembly, a sliding table cylinder 2 drives the tool to move forwards on the first electrode component 8, the cylinders of the first press welding part 12 and the second press welding part 13 respectively descend for welding, the rear sliding table cylinder 2 is retracted after welding, the workpiece to be welded is tightly pressed between two electrodes of the first press welding part 12 and the second press welding part 13 in the welding process, and current is conducted through the first electrode component 8 and the second electrode component 10, the resistive heat generated by the current flowing through the workpiece contact surface and adjacent areas heats it to a molten or plastic state, causing it to form a metallic bond, usually with a relatively large current, in order to prevent arcing at the contact surfaces and to forge the weld metal, pressure is applied at all times during welding, the pressure control device 17 can effectively control the applied pressure, and when the resistance welding is carried out, the surface of the welded workpiece is important for obtaining stable welding quality, therefore, the contact surfaces between the electrode and the workpiece and between the workpiece and the workpiece must be cleaned before welding, and after the welding is finished in the first welding station 1, the rodless cylinder 5 drives the linear slide rail 3 assembly on the upper portion to move leftwards, workpieces on the first welding station 1 are discharged and assembled, and stations on the second welding station 6 are repeatedly pressed and welded. In summary, the first welding station 1 and the second welding station 6 are arranged, so that the production speed is improved compared with single-station resistance welding, the heating time is short, the heat concentration is small, the heat affected zone is small, the deformation and the stress are small, the correction and heat treatment processes are not needed to be arranged after welding, the production efficiency is high, the resistance heat generated by current flowing through the contact surface and the adjacent area of the workpiece is heated to a melting or plastic state to form metal combination, filler metals such as welding wires and welding rods and welding materials such as oxygen, acetylene and hydrogen are not needed, the welding cost is low, the operation is simple, the mechanization and the automation are easy to realize, and the labor condition is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a duplex position resistance welding equipment, includes welding station (1), its characterized in that: the lower end of the first welding station (1) is fixedly connected with the upper end of the sliding table cylinder (2), the lower end of the sliding table cylinder (2) is slidably connected with the upper end of the linear sliding rail (3), the bottom end of the linear sliding rail (3) is fixedly connected with the equipment shell (4), the right end of the first welding station (1) is fixedly connected with the left end of the rodless cylinder (5), the right end of the rodless cylinder (5) is fixedly connected with the left end of the second welding station (6), the lower ends of the rodless cylinder (5) and the second welding station (6) are both slidably connected with the upper end of the linear sliding rail (3), the equipment shell (4) is internally provided with induction switches (7), the quantity of the induction switches (7) is two and is bilaterally and symmetrically distributed about the equipment shell (4), the left side of the equipment shell (4) is provided with a first electrode assembly (8), the left end of the first electrode assembly (8) is fixedly connected with the right end of a first support rod (9), the right side of the equipment shell (4) is provided with a second electrode assembly (10), and the right end of the second electrode assembly (10) is fixedly connected with the left end of a second supporting rod (11).

2. The double-station resistance welding device according to claim 1, characterized in that: the upper end of the first welding station (1) is movably connected with the lower end of a first downward-pressing welding piece (12), and the right end of the first downward-pressing welding piece (12) is fixedly connected with the left end of the fixed connecting piece (14).

3. The double-station resistance welding device according to claim 2, characterized in that: the right end of the fixed connecting piece (14) is fixedly connected with the left end of the second downward pressing welding piece (13), and the left end of the first downward pressing welding piece (12) is slidably connected with the right end of the limiting block (15).

4. The double-station resistance welding device according to claim 3, characterized in that: the number of the limiting blocks (15) is two, and the two limiting blocks are distributed in a bilateral symmetry mode about the first downward pressing welding piece (12) and the second downward pressing welding piece (13).

5. The double-station resistance welding device according to claim 1, characterized in that: the upper end of the equipment shell (4) is provided with a power supply starting switch (16), and the left end of the equipment shell (4) is provided with a pressure control device (17).

6. The double-station resistance welding device according to claim 5, characterized in that: the pressure control device (17) is provided with a pressure switch (18), the right end of the pressure switch (18) is provided with a variable pressure regulating switch (19), the lower end of the pressure switch (18) is provided with a pressure regulator (20), and the right end of the pressure regulator (20) is provided with a pressure display screen (21).