Electric resistance welding positioning device

Abstract

The utility model discloses an electric resistance welding positioning device, which belongs to the technical field of positioning devices and comprises a bottom plate, a first quick positioning piece, a second quick positioning piece and a mounting plate positioning block are arranged on the bottom plate, and the mounting plate positioning block is positioned between the first quick positioning piece and the second quick positioning piece. A floating pin and a telescopic upper electrode are arranged on the mounting plate positioning block, a mounting plate adjusting block is arranged on one side of the mounting plate positioning block, the two ends of a product are positioned on the first quick positioning piece and the second quick positioning piece, and the welding position is located at the bottom of the telescopic upper electrode. After a workpiece is correctly positioned and clamped, a welding power source starts to work, current is pressed downwards through the telescopic upper electrode to make contact with the workpiece to be welded, a loop is formed between the workpiece to be welded and the lower electrode, metal at the contact position of the workpiece can be rapidly heated and melted, a welding seam is formed, after welding is completed, the workpiece is jacked up by the floating pin, and the workpiece is welded. It is guaranteed that the device cannot be damaged in the jacking process, and rapid and stable separation can be achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of positioning devices, and in particular relates to a resistance welding positioning device. Background Art

[0002] Resistance welding uses the resistance heat generated by an electric current passing through the weldment and its contact points as a heat source to locally heat the weldment to a molten or plastic state, while simultaneously applying pressure to weld. This process requires no filler metal, resulting in high productivity, minimal weld deformation, and ease of automation.

[0003] Traditional positioning table designs often focus on positioning and clamping functions before welding, but do not give enough consideration to detachment after welding. The structure and material of the positioning table make it difficult for the product to detach smoothly after welding, affecting the quality of resistance welding. Utility Model Content

[0004] The purpose of the utility model is to propose a resistance welding positioning device in order to solve the problem that the traditional positioning table design often focuses on the positioning and clamping functions before welding, but does not give enough consideration to the detachment after welding. The structure and material of the positioning table make it difficult for the product to be detached smoothly after welding, which affects the quality of resistance welding.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a resistance welding positioning device, comprising a base plate, on which a first quick positioning part, a second quick positioning part and a mounting plate positioning block are arranged, the mounting plate positioning block is located between the first quick positioning part and the second quick positioning part, the mounting plate positioning block is provided with a floating pin and a retractable upper electrode, a mounting plate adjustment block is provided on one side of the mounting plate positioning block, both ends of the product are positioned at the first quick positioning part and the second quick positioning part, and the welding point is located at the bottom of the retractable upper electrode.

[0006] As a further description of the above technical solution:

[0007] The first quick positioning member includes a first positioning block, a first toggle clamp and a rear positioning block. The first positioning block is installed on the base plate. The first toggle clamp is installed on the first positioning block. The rear positioning block is located on one side of the first positioning block.

[0008] As a further description of the above technical solution:

[0009] The second quick positioning member includes a second toggle clamp and a front positioning block. The base plate is provided with a first positioning slot. The second toggle clamp is located above the first positioning slot. The front positioning block is arranged on one side of the first toggle clamp.

[0010] As a further description of the above technical solution:

[0011] The mounting plate adjusting block is adjustably connected to the mounting plate positioning block.

[0012] As a further description of the above technical solution:

[0013] The mounting plate positioning block is provided with a second positioning groove, the mounting plate positioning block is provided with an elastic telescopic column, the telescopic upper electrode is connected to the elastic telescopic column, and the telescopic upper electrode is located directly above the second positioning groove.

[0014] As a further description of the above technical solution:

[0015] The front positioning block and the rear positioning block are respectively provided with a third positioning groove and a limiting groove.

[0016] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0017] In the utility model, a mounting plate positioning block is arranged on the bottom plate, and a mounting plate adjustment block is arranged on one side of the mounting plate positioning block, wherein a floating pin and a retractable upper electrode are arranged on the mounting plate positioning block. When positioning welding is performed, the product only needs to be placed on the first quick positioning part and the second quick positioning part for quick positioning. At the same time, the mounting plate adjustment block is used to fine-tune the height or angle of the workpiece to meet different welding requirements. A second positioning groove is provided at the bottom of the resistance welding machine. When the workpiece is correctly positioned and clamped, the welding power supply starts working, and the current is pressed down through the retractable upper electrode to contact the workpiece to be welded, and a circuit is formed between the workpiece to be welded and the lower electrode. The metal at the contact point of the workpiece will quickly heat and melt to form a weld. When welding is completed, the floating pin lifts the workpiece to ensure that it will not be damaged during the lifting process and can be separated quickly and smoothly. This positioning device realizes the rapid positioning, clamping, welding and removal process of the workpiece, improves welding efficiency and quality, and reduces operation difficulty and cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 A three-dimensional resistance welding positioning device Figure 1 .

[0020] Figure 2The present invention is a schematic diagram of the connection structure of a mounting plate positioning block, a floating lift pin and a retractable upper electrode in a resistance welding positioning device.

[0021] Legend:

[0022] 1-base plate; 2-first quick positioning piece; 21-first positioning block; 22-first elbow clamp; 23-rear positioning block; 3-second quick positioning piece; 31-second elbow clamp; 32-front positioning block; 4-mounting plate positioning block; 5-floating pin; 6-retractable upper electrode; 7-mounting plate adjustment block; 8-first positioning slot; 9-second positioning slot; 10-elastic telescopic column; 11-third positioning slot; 12-limiting slot. DETAILED DESCRIPTION

[0023] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.

[0025] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort are also within the scope of protection of the present invention.

[0026] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0027] In the description of the embodiments of the present invention, it should be noted that the terms "upper" and "inner" etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the product of the present invention is usually placed when in use. These are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0028] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to direct connections, indirect connections through an intermediate medium, or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0029] See also Figure 1-2 The utility model provides a technical solution: a resistance welding positioning device, including a base plate 1, on which a first quick positioning part 2, a second quick positioning part 3 and a mounting plate positioning block 4 are provided, and the mounting plate positioning block 4 is located between the first quick positioning part 2 and the second quick positioning part 3, and a floating pin 5 and a retractable upper electrode 6 are provided on the mounting plate positioning block 4, and a mounting plate adjustment block 7 is provided on one side of the mounting plate positioning block 4, and both ends of the product are positioned at the first quick positioning part 2 and the second quick positioning part 3, and the welding point is located at the bottom of the retractable upper electrode 6.

[0030] The first quick positioning member 2 includes a first positioning block 21 , a first toggle clamp 22 and a rear positioning block 23 . The first positioning block 21 is mounted on the base plate 1 , the first toggle clamp 22 is mounted on the first positioning block 21 , and the rear positioning block is located on one side of the first positioning block 21 .

[0031] The second quick positioning member 3 includes a second toggle clamp 31 and a front positioning block 32 . The base plate 1 is provided with a first positioning slot 8 . The second toggle clamp 31 is located above the first positioning slot 8 . The front positioning block 32 is arranged on one side of the first toggle clamp 22 .

[0032] The mounting plate adjusting block 7 is adjustably connected to the mounting plate positioning block 4. It is used to fine-tune the height or angle of the workpiece to meet different welding requirements.

[0033] The mounting plate positioning block 4 is provided with a second positioning groove 9, and an elastic telescopic column 10 is provided on the mounting plate positioning block 4. The telescopic upper electrode 6 is connected to the elastic telescopic column 10, and the telescopic upper electrode 6 is located directly above the second positioning groove 9. A spring is provided at the bottom of the elastic telescopic column, and the telescopic upper electrode passes through and is connected to the elastic telescopic column, so that the telescopic upper electrode can be lowered to abut against the workpiece to be welded.

[0034] The front positioning block 32 and the rear positioning block are respectively provided with a third positioning groove 11 and a limiting groove 12 .

[0035] Working principle: A mounting plate positioning block is set on the bottom plate, and a mounting plate adjustment block is set on one side of the mounting plate positioning block, wherein the mounting plate positioning block is provided with a floating pin and a retractable upper electrode. When positioning welding is performed, the product only needs to be placed on the first quick positioning part and the second quick positioning part for quick positioning. At the same time, the mounting plate adjustment block is used to fine-tune the height or angle of the workpiece to meet different welding requirements. A second positioning groove is provided at the bottom of the resistance welding machine. When the workpiece is correctly positioned and clamped, the welding power supply starts working, and the current is pressed down through the retractable upper electrode to contact the workpiece to be welded, and a circuit is formed between the workpiece to be welded and the lower electrode. The metal at the contact point of the workpiece will heat up and melt rapidly to form a weld. When the welding is completed, the floating pin lifts the workpiece to ensure that it will not be damaged during the lifting process and can be separated quickly and smoothly. This positioning device realizes the rapid positioning, clamping, welding and removal process of the workpiece, improves welding efficiency and quality, and reduces operation difficulty and cost.

[0036] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A resistance welding positioning device, characterized in that: It includes a base plate, on which a first quick positioning part, a second quick positioning part and a mounting plate positioning block are provided. The mounting plate positioning block is located between the first quick positioning part and the second quick positioning part. A floating pin and a retractable upper electrode are provided on the mounting plate positioning block. A mounting plate adjustment block is provided on one side of the mounting plate positioning block. Both ends of the product are positioned at the first quick positioning part and the second quick positioning part, and the welding point is located at the bottom of the retractable upper electrode.

2. A resistance welding positioning device according to claim 1, characterized in that: The first quick positioning member includes a first positioning block, a first toggle clamp and a rear positioning block. The first positioning block is installed on the base plate. The first toggle clamp is installed on the first positioning block. The rear positioning block is located on one side of the first positioning block.

3. A resistance welding positioning device according to claim 2, characterized in that: The second quick positioning member includes a second toggle clamp and a front positioning block. The base plate is provided with a first positioning slot. The second toggle clamp is located above the first positioning slot. The front positioning block is arranged on one side of the first toggle clamp.

4. A resistance welding positioning device according to claim 1, characterized in that: The mounting plate adjusting block is adjustably connected to the mounting plate positioning block.

5. A resistance welding positioning device according to claim 4, characterized in that: The mounting plate positioning block is provided with a second positioning groove, the mounting plate positioning block is provided with an elastic telescopic column, the telescopic upper electrode is connected to the elastic telescopic column, and the telescopic upper electrode is located directly above the second positioning groove.

6. A resistance welding positioning device according to claim 3, characterized in that: The front positioning block and the rear positioning block are respectively provided with a third positioning groove and a limiting groove.

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