A device for measuring the elevation of a welding machine's welding head

Abstract

This utility model discloses a device for measuring the elevation of a welding machine head, belonging to the field of aluminized zinc product manufacturing. The device includes an arched frame with T-shaped grooves on both inner side walls. A contact plate is slidably connected to the arched frame via these T-shaped grooves. A lead screw module is mounted between the inner top and bottom of one T-shaped groove via a bearing. The lead screw module is threaded to one side of the contact plate, and a steel block is embedded on the other side of the contact plate. A motor is fixedly installed inside the T-shaped groove, and an electromagnet block is fixedly installed inside the other T-shaped groove. The steel block and the energized electromagnet block are magnetically attracted. This device replaces the complex operation of traditional manual laser aiming at the highest point, significantly improving measurement efficiency and accuracy. It avoids inaccurate elevation measurements due to aiming deviations, ensures the stability of the contact plate position during measurement, and prevents measurement errors caused by accidental movement.

Description

Technical Field

[0001] This utility model relates to the field of aluminum-zinc coated product manufacturing, and more specifically, to a device for measuring the elevation of the welding head of a welding machine. Background Technology

[0002] Aluminized zinc-coated steel sheet is an alloy coating form of cold-rolled steel sheet. The proportions of metallic elements in the zinc pot are: 55% aluminum, 43% zinc, 1.6% silicon, and 0.4% other elements. The main process flow of a continuous galvanized aluminum-coated steel sheet production line is: feeding – uncoiling – end flattening – welding – cleaning – annealing – zinc pot – cooling – finishing – tension leveling – chemical treatment – ​​recoiling – packaging. The continuity of the continuous aluminized zinc-coating production line depends heavily on the welding of the beginning and end of two coils. Poor welding can lead to cracking of the weld seam during forward movement, resulting in strip breakage and machine downtime, causing significant losses.

[0003] Aluminized zinc products are mainly available in thicknesses between 1.8mm and 2.1mm, and are primarily used in the assembly and fabrication of various types of electrical cabinets and distribution cabinets. The 1.8mm to 2.1mm thick strip steel requires extremely high weld quality during welding, and any cracking or weld defects are strictly prohibited.

[0004] Currently, after each welding operation, the welding machine must automatically re-grind the welding wheel and recalibrate its elevation. Traditionally, the elevation measurement process requires using an infrared laser to measure the highest point of the welding wheel's diameter. This method is complex, and if the laser does not reach the highest point, it can easily lead to inaccurate elevation measurements and subsequent adjustment deviations.

[0005] Therefore, in view of this, the existing structure is studied and improved to provide a device for measuring the elevation of the welding head of a welding machine, in order to achieve a more practical purpose. Utility Model Content

[0006] 1. Technical problems to be solved In view of the problems existing in the prior art, the purpose of this utility model is to provide a device for measuring the elevation of the welding head of a welding machine. It can replace the complicated operation of traditional manual laser aiming at the highest point, significantly improve the measurement efficiency and accuracy, avoid the problem of inaccurate elevation measurement caused by aiming deviation, ensure the stability of the contact plate position during the measurement process, and prevent measurement errors caused by accidental movement.

[0007] 2. Technical Solution To solve the above problems, the present invention adopts the following technical solution.

[0008] A device for measuring the elevation of a welding machine head includes an arched frame. T-shaped grooves are provided on both inner side walls of the arched frame, and a contact plate is slidably connected to the arched frame via the T-shaped grooves. A lead screw module is mounted between the inner top and bottom ends of one of the T-shaped grooves via a bearing. The lead screw module is threadedly connected to one side of the contact plate, and a steel block is embedded on the other side of the contact plate. A motor is fixedly installed inside the T-shaped groove, and the output end of the motor is connected to the lead screw module via a coupling. Another T-shaped groove has an electromagnet block fixedly installed inside it, and the steel block is magnetically attracted to the electromagnet block when it is energized; A signal receiving board is installed at the top of the touch plate, a positioning laser is fixedly installed on the top of the inner side of the arched frame, a flexible wire is provided between the top of the inner side of the arched frame and the touch plate, and a flexible wire is provided on the outer side of the arched frame.

[0009] Furthermore, the motor is a reversible motor.

[0010] Furthermore, the electromagnet block covers the inner wall of the T-shaped groove from the top to the bottom.

[0011] Furthermore, the signal receiving board is a plane reflector.

[0012] Furthermore, the beam emitted by the positioning laser is perpendicular to the reflective plane of the signal receiving plate.

[0013] Furthermore, both ends of the touch plate are provided with T-shaped sliders that cooperate with the T-shaped grooves.

[0014] 3. Beneficial Effects Compared with existing technologies, the advantages of this utility model are: ① In this solution, the lifting and lowering of the contact plate is controlled by a motor-driven lead screw module, and the contact plate is precisely positioned by a positioning laser and a signal receiving board (plane reflector). Then, by comparing the height of the contact plate with the height of the welding wheel, it can be quickly determined whether the height of the welding wheel is appropriate. This can replace the complicated operation of manually aiming the highest point with a laser, significantly improve the measurement efficiency and accuracy, and avoid the problem of inaccurate elevation measurement caused by aiming deviation. ② This solution utilizes the magnetic attraction between the electromagnet block and the steel block inside the contact plate to securely lock the contact plate after it is adjusted to the target height, ensuring the stability of the contact plate position during measurement and preventing measurement errors caused by accidental movement. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the device for measuring the elevation of the welding head of a welding machine in this utility model; Figure 2This is a front structural diagram of the device for measuring the elevation of the welding head of a welding machine in this utility model; Figure 3 This is a schematic diagram of the structure of the touch plate height adjustment part in this utility model. Figure 1 ; Figure 4 This is a schematic diagram of the structure of the touch plate height adjustment part in this utility model. Figure 2 .

[0016] Explanation of the labels in the diagram: 1. Arched frame; 101. T-shaped slide; 102. Electromagnetic block; 2. Contact plate; 201. Steel block; 3. Lead screw module; 4. Electric motor; 5. Signal receiving board; 6. Positioning laser. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0018] Example: Please see Figure 1 - Figure 4 A device for measuring the elevation of a welding machine head includes an arched frame 1. T-shaped grooves 101 are provided on both inner side walls of the arched frame 1. A contact plate 2 is slidably connected to the arched frame 1 through the T-shaped grooves 101. A lead screw module 3 is installed between the inner top and inner bottom of one of the T-shaped grooves 101 through a bearing. The lead screw module 3 is threadedly connected to one side of the contact plate 2. A steel block 201 is embedded in the other side of the contact plate 2. A motor 4 is fixedly installed inside the T-shaped groove 101. The output end of the motor 4 is connected to the lead screw module 3 through a coupling. Another T-shaped chute 101 has an electromagnet block 102 fixedly installed inside, and the steel block 201 is magnetically attracted to the electromagnet block 102 after it is energized. A signal receiving board 5 is installed at the top of the contact plate 2, a positioning laser 6 is fixedly installed on the top of the inner side of the arch frame 1, a flexible wire 1 is provided between the top of the inner side of the arch frame 1 and the contact plate 2, and a flexible wire 2 is provided on the outer side of the arch frame 1.

[0019] See Figure 3 , Figure 4 Specifically, motor 4 is a motor structure that can rotate in both directions.

[0020] This allows for convenient control of the raising and lowering of the touch panel 2.

[0021] See Figure 1 , Figure 3 , Figure 4 Specifically, the electromagnet block 102 covers the inner wall of the T-shaped groove 101 from the top to the bottom.

[0022] In this way, no matter what height the contact plate 2 reaches, its height can be fixed by magnetic attraction.

[0023] Specifically, the signal receiving board 5 is a plane reflector.

[0024] Specifically, the beam emitted by the positioning laser 6 is perpendicular to the reflective plane of the signal receiving plate 5.

[0025] The positioning laser 6 emits a laser beam, which is received by the signal receiving board 5. This allows for the rapid determination of the height of the contact plate 2. In this way, the contact plate 2 can be adjusted to the corresponding height according to the elevation of the welding head of the welding machine. This adjustment method can be applied to the measurement of the elevation of different welding heads of welding machines.

[0026] Specifically, both ends of the touch plate 2 are provided with T-shaped sliders that cooperate with the T-shaped groove 101.

[0027] The combination of the T-shaped slider and the T-shaped groove 101 can improve the stability of sliding.

[0028] Working principle: First, after the welding machine completes a welding operation, it executes an automatic program to grind the welding wheel and automatically measure and adjust the welding wheel elevation.

[0029] After automatic calibration is completed, the welding machine's traveling mechanism moves towards the drive side of the unit. It stops when it reaches the highest point of the lower welding wheel's diameter and enters the gap between the lower jaws of the strip steel clamps distributed on its left and right.

[0030] The device is adjusted as follows: According to the elevation value of the welding wheel, the motor 4 is started, controlling the lead screw module 3 to rotate. The T-shaped slide 101 is used to limit the sliding of the contact plate 2, controlling the change of the height of the contact plate 2. The positioning laser 6 emits a laser, which is received by the signal receiving board 5 to quickly determine the height of the contact plate 2 until the height of the contact plate 2 meets the specified value. Then, the electromagnet block 102 is energized, and the height of the contact plate 2 is locked by the attraction between the electromagnet block 102 and the steel block 201. Then, the arch frame 1 is placed vertically above the lower welding wheel, and the highest point of the welding wheel diameter is aligned with the bottom of the "arch" of the new device.

[0031] By utilizing the space reserved at the bottom of the measuring device, the gap between the highest point of the lower welding wheel's diameter and the reserved space below the measuring device can be quickly and effectively observed. A clearly visible gap is considered an error in the automatic elevation of the welding wheel, and the operator will immediately make manual adjustments.

[0032] By adjusting the position so that the highest point of the lower welding wheel diameter is in contact with the bottom of the "arch" of the utility model device, the weld seam effect during welding is optimal.

[0033] The above description is merely a preferred embodiment of this utility model; however, the protection scope of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the technical scope disclosed in this utility model, based on the technical solution and its improved concept, should be included within the protection scope of this utility model.

Claims

1. A device for measuring the elevation of the welding head of a welding machine, comprising an arched frame (1), characterized in that: T-shaped grooves (101) are provided on both inner side walls of the arch frame (1), and the arch frame (1) is slidably connected to a contact plate (2) through the T-shaped grooves (101). A screw module (3) is installed between the inner top and inner bottom of one of the T-shaped grooves (101) through a bearing. The screw module (3) is threaded to one side of the contact plate (2), and a steel block (201) is embedded on the other side of the contact plate (2). A motor (4) is fixedly installed inside the T-shaped groove (101), and the output end of the motor (4) is connected to the screw module (3) through a coupling. Another T-shaped groove (101) has an electromagnet block (102) fixedly installed inside it, and the steel block (201) and the electromagnet block (102) are magnetically attracted when energized; A signal receiving board (5) is installed at the top of the touch plate (2), a positioning laser (6) is fixedly installed on the top of the inner side of the arch frame (1), a flexible wire is provided between the top of the inner side of the arch frame (1) and the touch plate (2), and a flexible wire is provided on the outer side of the arch frame (1).

2. A device for measuring the elevation of a welding head of a welding machine according to claim 1, characterized in that: The motor (4) is a reversible motor.

3. The apparatus of claim 1 wherein: the reference surface is a reference surface of the welding head; and the reference surface is a surface of a reference block that is mounted to the welding head. 5 The electromagnet block (102) covers the inner wall from the top to the bottom of the inner wall of the T-shaped groove (101).

4. The apparatus of claim 1 wherein: The signal receiving board (5) is a plane mirror.

5. The device for measuring the elevation of a welding machine head according to claim 4, characterized in that: The beam emitted by the positioning laser (6) is perpendicular to the reflective plane of the signal receiving plate (5).

6. The device for measuring the elevation of a welding machine welding head according to claim 1, characterized in that: Both ends of the contact plate (2) are provided with T-shaped sliders that cooperate with the T-shaped groove (101).

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