CN219648919U

CN219648919U - Inner nut projection welding equipment

Info

Publication number: CN219648919U
Application number: CN202320190449.3U
Authority: CN
Inventors: 寻璋; 熊志; 刘安炎; 谭世民
Original assignee: Zhuhai Mst Auto Parts Co ltd
Current assignee: Zhuhai Mst Auto Parts Co ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-09-08
Anticipated expiration: 2033-02-13

Abstract

The utility model discloses internal nut projection welding equipment which comprises a pressurizing welding head, a welding working plate and a material rack, wherein the pressurizing welding head is in servo pressurization which is vertically symmetrical, a quick positioning mechanism is arranged on the welding working plate, and the material rack is provided with a pushing mechanism and a rack.

Description

Inner nut projection welding equipment

Technical Field

The utility model relates to the technical field of automatic welding of inner nuts of automobile parts, in particular to inner nut projection welding equipment.

Background

Nut resistance projection welding equipment is widely applied in automobile production and manufacture, can produce the nugget liquid at electrode pressure in the in-process of production and splash, reduces the performance of welded joint, and when welding pressure is too big, the contact bump is excessively crushed, can lead to the welding area to increase greatly, and contact resistance reduces sharply for the effective heat that is used for melting welding reduces by a wide margin, leads to the welding position to melt less, does not even melt, causes the problem such as rosin joint or welding strength decline by a wide margin. The welding time is too short, insufficient melting, infirm welding and too long, so that the melting area is too large, the molten liquid is sprayed and splashed too much, and welding slag can flow into the threaded area and the threads are deformed.

Therefore, the utility model aims at the problems, improves the prior welding machine, designs a special internal nut projection welding device, improves the welding strength and improves the product quality

Disclosure of Invention

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model relates to internal nut projection welding equipment which comprises an upper pressurizing welding head, a lower pressurizing welding head, a welding working plate and a material rack, wherein the material rack is arranged above the daring connecting working plate, the pressurizing welding head is provided with an air cylinder, the welding working plate is provided with a quick positioning mechanism, the quick positioning mechanism can rotate and move, the material rack is provided with a pushing mechanism and a bedplate, a supporting frame is arranged below the bedplate, and the supporting frame is provided with a spring.

As a preferable case of the utility model, the pressurizing type welding head adopts servo pressurization, the pressure waveform and the pressurization speed are easier to control, and the welding pressure is more stable.

Further, the quick positioning mechanism is provided with a clamping nozzle and a magnetic pressing block, one pole of the magnetic pressing block is positioned on the quick positioning mechanism, and the other pole is fixed on the welding work plate, so that the required processed product can be quickly clamped and pressed.

Furthermore, the pushing mechanism is provided with a positioning column, so that holes required to be processed by the product can be positioned.

Furthermore, the pushing mechanism is also provided with an appearance limiting column, so that the product can be fixed without displacement in the pushing and welding processes.

Furthermore, the lower part of the support frame is provided with a tooling in a shape like a Chinese character 'ji', and the spring is arranged on the tooling, so that a buffering effect can be better formed when the welding machine is pressurized in a servo mode.

Furthermore, the pressure welding head is divided into two parts, the upper part is an X axis, the lower part is a Y axis, and the upper die and the lower die of the pressure welding head are provided with tooling limiting holes, so that the tooling limiting holes can limit X, Y in two directions.

Furthermore, a fixing frame is arranged below the welding work plate.

The beneficial effects of the utility model are as follows:

1. according to the internal nut projection welding equipment, the servo pressurizing projection welding head is used for adding the buffer material rack combination below, so that the pressure is more stable during welding;

2. this internal nut projection welding equipment compresses tightly the design through the clamp mouth that sets up on support frame, reference column, appearance spacing post and the quick positioning mechanism, can effectually prevent that the work piece from producing the phenomenon of horizontal displacement to the stability of work piece when having promoted welding operation.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic perspective view of an internal nut projection welding apparatus of the present utility model;

FIG. 2 is a schematic top view of a weld work plate of an internal nut projection welding apparatus of the present utility model;

FIG. 3 is a schematic perspective view of a welding work plate structure of an internal nut projection welding apparatus of the present utility model;

FIG. 4 is a perspective view of a quick positioning structure of an internal nut projection welding apparatus of the present utility model;

fig. 5 is a schematic view of the structure of the upper and lower molds of the present utility model.

In the figure: 1. a projection welding machine; 2. a cylinder; 3. an upper die; 4. a lower die; 5. welding the working plate; 6. a support frame; 7. a platen; 8. a shape limiting column; 9. positioning columns; 10. a quick positioning mechanism; 11. a clamping mouth; 12. a magnetic briquette; 13. and the fixing frame, 14 and the tooling limiting hole.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Examples: as shown in figures 1-5, the internal nut projection welding equipment is characterized in that two pressurizing welding heads, a welding working plate and a material rack which are vertically corresponding are arranged on a welding host machine of the equipment, the material rack is arranged above the welding working plate, a servo cylinder is arranged on the pressurizing welding head, a quick positioning mechanism is arranged on the welding working plate and can rotate, a pushing mechanism and a bedplate are arranged on the material rack, a supporting frame is arranged below the bedplate, a spring is arranged on the supporting frame, a fixing frame is arranged below the welding working plate, and the welding working plate is fixed right in front of the welding machine.

The quick positioning mechanism is provided with a clamping nozzle and a magnetic pressing block, one pole of the magnetic pressing block is positioned on the quick positioning mechanism, and the other pole is fixed on the welding work plate, so that the required processed product can be pressed and clamped quickly.

The pushing mechanism is provided with a positioning column, a hole which is required to be processed by a product can be positioned, and the pushing mechanism is also provided with a shape limiting column, so that the product can be fixed without displacement in the pushing and welding process.

Wherein, the below of support frame is "several" font frock, and the spring is installed on this frock, can better form the cushioning effect when the servo pressurization of welding machine.

The upper die and the lower die of the pressurized welding head are provided with tooling limiting holes, the tooling limiting holes are used for ensuring that X, Y can be limited in two directions, and the upper die and the lower die are in the same direction and cannot play a limiting role.

Working principle: after the device is put into use, a worker is used for placing a product to be processed on a platen, the position to be processed is well positioned on a positioning column, the positioning column and a shape limiting column are manually pushed, so that the product to be processed reaches the position of a lower die, then a hanging part of the product is clamped by a clamping nozzle, the product is pressed by a magnetic pressing block at a place where the product is contacted with a welding work plate, a welding machine is started after the product is fixed, a cylinder is used for servo pressurization, the pressure waveform and the speed are well controlled, then a spring piece on a supporting frame is matched for providing pressure buffering, the pressure of the welding head is more stable in the welding process, the welding current of the welding head is reduced, and a larger welding nugget is obtained; the phenomenon that stress of each salient point is uneven is solved by fast clamping and pressing the positioning mechanism and the positioning column and the outer shape limiting column in the welding process, and the problem that electrodes are not parallel in the welding process is solved.

Finally, it should be noted that: in the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides an interior nut projection welding equipment, its characterized in that, equipment includes upper and lower two symmetrical pressurization formula bonding tool, welding working plate, material rack, the material rack be dare to connect the top of working plate, the pressurization formula bonding tool on have the cylinder, the welding working plate on design have quick positioning mechanism, the material rack on design have pushing equipment and platen, the platen below design have the support frame, the support frame on design have the spring.

2. An internal nut projection welding apparatus as defined in claim 1, characterized in that said quick positioning mechanism has a clamping mouth and a magnetic pressing block for quick clamping and pressing of a desired processed product.

3. The internal nut projection welding apparatus as defined in claim 1, wherein said pushing mechanism has positioning posts for positioning holes to be machined in the product.

4. The internal nut projection welding equipment as claimed in claim 1, wherein the pushing mechanism is further provided with an external limiting column, so that the product can be fixed without displacement in the pushing and welding process.

5. The internal nut projection welding equipment as claimed in claim 1, wherein said support frame has a "table" shaped tooling below said support frame, said spring being mounted on said tooling.

6. The internal nut projection welding equipment according to claim 1, wherein the pressurizing welding heads are divided into two parts, the upper part is an X axis, the lower part is a Y axis, and tooling limiting holes are formed in the upper die and the lower die of the pressurizing welding heads, and the tooling limiting holes can limit X, Y in two directions.

7. An internal nut projection welding apparatus as defined in claim 1, being characterized in that a fixing frame is provided under said welding work plate.