Automobile sheet bonding spot welding positioning and mounting device

Abstract

The utility model relates to the technical field of bonding spot welding, in particular to an automobile sheet bonding spot welding positioning and mounting device. Comprising a lap joint platform, a fixing block, a first sliding block, a second sliding block and a positioning baffle assembly. The lap joint platform is placed above a lower electrode of the spot welding machine, a through hole is formed in the center of the lap joint platform, and a transverse sliding groove is formed in the top of the lap joint platform. The fixed block is fixedly connected to one transverse end of the lap joint platform, and a graduated scale is arranged on the fixed block; the first sliding block and the second sliding block are both installed on the sliding groove and can move along the sliding groove. The second sliding block is located between the first sliding block and the fixing block. The positioning baffle assembly is installed on the lap joint platform, and a positioning baffle is used for fixing base metal. The thickness of a glue layer in the gluing spot welding gluing process is accurately controlled; the position of a base material during a bonding spot welding test can be accurately positioned; transverse and longitudinal sliding of base metal is prevented, the position of a sample is accurately controlled, and it is guaranteed that follow-up welding spots are centered.

Description

Technical Field

[0001] The utility model relates to the technical field of adhesive joint spot welding, in particular to an automobile thin plate adhesive joint spot welding positioning and installation device. Background Art

[0002] Automotive steel has the advantages of high strength, good ductility and good formability, and is widely used in the field of automobile manufacturing. At the same time, the automotive steel glue spot welding process has the advantages of high strength, good air tightness, good fatigue performance, etc., and is increasingly valued. Glue spot welding technology is a composite connection process that combines glue bonding and spot welding. It is increasingly used in automobile production, and the quality of glue spot welding will also affect the strength of the car body.

[0003] During the adhesive spot welding test, the thickness of the glue layer is difficult to control during the adhesive coating process of the automotive thin plate, and the steel plate is prone to relative movement after adhesive coating, which leads to the deviation of the position of the weld point on the steel plate in the subsequent spot welding test, resulting in adverse effects such as reduced strength of the adhesive spot weld joint. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a positioning and installation device for adhesive spot welding of automobile thin plates, which solves the problems of inaccurate centering and positioning of steel plates, relative slippage, and difficulty in controlling the thickness of the adhesive layer during adhesive spot welding tests.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A positioning and installation device for adhesive spot welding of automobile thin plates, comprising an overlapping platform, a fixed block, a first slider, a second slider and a positioning baffle assembly; the overlapping platform is placed above the lower electrode of the spot welding machine, a through hole is provided in the center of the overlapping platform, and a transverse slide groove is provided on the top surface of the overlapping platform; the fixed block is fixed to one transverse end of the overlapping platform, and a scale is provided on the fixed block; the first slider and the second slider are both installed on the slide groove and can move along the slide groove; the second slider is located between the first slider and the fixed block; the positioning baffle assembly is installed on the overlapping platform, and the positioning baffle is used to fix the parent material.

[0007] Furthermore, the slide groove includes a first slide groove and a second slide groove, the second slide groove is longer than the first slide groove; a protrusion corresponding to the first slide groove and the second slide groove is provided at the bottom of the first slider, and the first slider is installed on the first slide groove and the second slide groove; a protrusion corresponding to the second slide groove is provided at the bottom of the second slider, and the second slider is installed on the second slide groove.

[0008] Furthermore, the slide groove is T-shaped.

[0009] Furthermore, the scale on the fixed block is arranged longitudinally.

[0010] Furthermore, there are two positioning baffle assemblies, and one positioning baffle assembly is respectively arranged on both sides of the through hole in the center of the overlapping platform along the longitudinal direction.

[0011] Furthermore, the positioning baffle assembly includes a positioning pin and a positioning baffle. The positioning pin is vertically arranged with its bottom fixed to the top surface of the overlapping platform, and the positioning baffle is hinged to the top of the positioning pin.

[0012] Compared with the prior art, the utility model has at least the following technical effects or advantages:

[0013] The first slider and the second slider of the utility model are both installed on the slide groove, slidably connected with the overlap platform, and can move along the slide groove; the second sliders of different heights can be replaced according to the different adhesive layer thicknesses required for the test, which is convenient and quick. Different adhesive layer thickness requirements during adhesive spot welding are achieved, and the adhesive layer thickness during adhesive spot welding is accurately controlled.

[0014] The utility model fixes a fixed block to one lateral end of the overlap platform, and a scale is arranged on the fixed block; the position of the parent material during the adhesive spot welding test can be accurately located by referring to the scale on the slide block.

[0015] The utility model fixes the longitudinal position of the parent material by the positioning baffle, and fixes the transverse position of the parent material by the first sliding block and the fixing block, thereby preventing the parent material from sliding transversely and longitudinally, accurately controlling the position of the sample, and ensuring that the subsequent welding points are centered. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0017] Figure 2 It is a schematic front view of the structure of the utility model.

[0018] Figure 3 yes Figure 2 AA section view and working status diagram.

[0019] Figure 4 It is a schematic side view of the structure of the utility model.

[0020] Figure 5 It is a three-dimensional structural schematic diagram of the utility model (excluding the first sliding block).

[0021] In the figure:

[0022] 1-joining platform 11-through hole 12-first slide groove 13-second slide groove

[0023] 2-Fixed block 21-Scale

[0024] 3-first slider 31-second protrusion 32-third protrusion

[0025] 4- Second slider 41- First protrusion

[0026] 5-positioning baffle assembly 51-positioning pin 52-positioning baffle

[0027] 6-First base material

[0028] 7- Second base material

[0029] 8-Glue layer DETAILED DESCRIPTION

[0030] The embodiments of the present invention are described in detail below. In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described in combination with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present invention and its application or use. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] In the description of the utility model, it should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the utility model. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0034] Unless otherwise specifically stated, the relative arrangement of the parts and steps described in these embodiments, numerical expressions and numerical values ​​do not limit the scope of the utility model. At the same time, it should be clear that, for ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, method and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, method and equipment should be regarded as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once a certain item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0035] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the utility model.

[0036] [Example]

[0037] like Figure 1-5 As shown, a positioning and installation device for adhesive spot welding of automobile thin plates includes a lap platform 1, a fixing block 2, a first sliding block 3, a second sliding block 4 and a positioning baffle assembly 5.

[0038] The overlapping platform 1 is placed above the lower electrode of the spot welding machine. The overlapping platform 1 is a rectangular platform with a through hole 11 in the center. The top surface of the overlapping platform 1 is laterally provided with a first slide groove 12 and a second slide groove 13. The first slide groove 12 and the second slide groove 13 are both T-shaped grooves and are parallel to each other. The length of the second slide groove 13 is longer than that of the first slide groove 12.

[0039] The fixing block 2 is a rectangular block, fixedly connected to one transverse end of the overlapping platform 1 , and a longitudinal scale 21 is provided on the upper surface of the fixing block 2 .

[0040] The second slider 4 has a first protrusion 41 corresponding to the second slide groove 13 at its bottom, the first slider 3 has a second protrusion 31 corresponding to the second slide groove 13 and a third protrusion 32 corresponding to the first slide groove 12 at its bottom, and the protrusions are all T-shaped.

[0041] The first protrusion 41 of the second slider 4 is placed in the second slide groove 13, and the second slider 4 slides along the second slide groove 13. The second protrusion 31 of the first slider 3 is placed in the second slide groove 13, and the third protrusion 32 is placed in the first slide groove 12, and the first slider 3 slides along the first slide groove 12 and the second slide groove 13. The second slider 4 and the first slider 3 are placed in the slide grooves in sequence, and the second slider 4 is located between the first slider 3 and the fixed block 2, and the first slider 3 can fix the second slider 4 laterally.

[0042] There are two positioning baffle assemblies 5, one positioning baffle assembly 5 is arranged on both sides of the through hole 11 in the center of the lap joint platform along the longitudinal direction. The positioning baffle assembly 5 includes a positioning pin 51 and a positioning baffle 52. The positioning pin 51 is arranged vertically, and its bottom is fixed to the top surface of the lap joint platform 1. The positioning baffle 52 is hinged to the top of the positioning pin 51.

[0043] The first mother material 6 is placed on the overlapping platform 1, the second mother material 7 is placed on the second slider 4, the first mother material 6 and the second mother material 7 are located between the fixed block 2 and the first slider 3, the positioning baffle assembly 5 is installed on the overlapping platform, and the positioning baffle 52 is placed on the first mother material 6 and the second mother material 7 for fixing the first mother material 6 and the second mother material 7.

[0044] The working principle and working process of the utility model are as follows:

[0045] 1. Before the test, place the lap platform 1 above the lower electrode of the spot welding machine, and make the second slider 4 into different heights according to the test requirements. For example, if the thickness of the adhesive layer 8 is 0.2 mm, the height of the second slider 4 can be made into the thickness of (adhesive layer 8 + first parent material 6). Install the second slider 4 along the second slide groove 13.

[0046] 2. Select an appropriate position according to the scale 21 on the fixed block 2. Place the first parent material 6 for adhesive spot welding of automobile thin plates on the lap joint platform 1, and one end of the first parent material 6 contacts the second slider 4.

[0047] 3. Then install the first slider 3 onto the overlapping platform 1 along the first slide groove 12 and the second slide groove 13. The first slider 3 is close to the first mother material 6 and the second slider 4. Glue is applied to the overlapping area of ​​the mother materials. The thickness of the glue layer 8 is consistent with the height of the second slider 4. Then place the second mother material 7 on the glue-coated area and the second slider 4.

[0048] 4. Then place the positioning baffle 52 on the first parent material 6 and the second parent material 7 respectively to fix the first parent material 6 and the second parent material 7. At this time, the joint sample is fixed, the welding parameters are set, the spot welding machine is started, and the lower electrode contacts the first parent material 6 through the through hole 11 to perform the adhesive spot welding test.

[0049] After the adhesive spot welding test is completed, the positioning baffle 52 is removed, and the first slide block 3 is slightly pushed outward, so that the adhesive spot welding sample can be easily taken out of the device.

[0050] The utility model can replace the second slider 4 of different heights according to the different adhesive layer thicknesses required for the test, which is convenient and quick. It can realize different adhesive layer thickness requirements during adhesive spot welding and accurately control the adhesive layer thickness during adhesive spot welding. The utility model can accurately locate the position of the parent material during the adhesive spot welding test. The longitudinal position of the parent material is fixed by the positioning baffle 52, and the transverse position of the parent material is fixed by the first slider 3 and the fixing block 2, so as to prevent the parent material from sliding transversely and longitudinally, accurately control the position of the sample, and ensure that the subsequent welding points are centered.

[0051] The utility model enables automobile thin plates to be overlapped effectively, avoids the problems of inaccurate centering and positioning of steel plates, relative slippage, and difficulty in controlling the thickness of the adhesive layer during the adhesive spot welding process, ensures the safety of operation, and greatly improves the performance of the adhesive spot welding joint.

[0052] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for positioning and installing adhesive spot welding of automobile thin plates, characterized in that: It includes a lap platform, a fixed block, a first slide block, a second slide block and a positioning baffle assembly; The overlapping platform is placed above the lower electrode of the spot welding machine, a through hole is provided at the center of the overlapping platform, and a transverse sliding groove is provided on the top surface of the overlapping platform; The fixing block is fixedly connected to one lateral end of the overlapping platform, and a scale is provided on the fixing block; The first slider and the second slider are both mounted on the slide groove and can move along the slide groove; The second sliding block is located between the first sliding block and the fixed block; The positioning baffle assembly is installed on the overlapping platform, and the positioning baffle assembly is used to fix the parent material.

2. The automobile sheet metal adhesive spot welding positioning and installation device according to claim 1, characterized in that: The slide groove includes a first slide groove and a second slide groove, the second slide groove is longer than the first slide groove; a protrusion corresponding to the first slide groove and the second slide groove is provided at the bottom of the first slider, and the first slider is installed on the first slide groove and the second slide groove; a protrusion corresponding to the second slide groove is provided at the bottom of the second slider, and the second slider is installed on the second slide groove.

3. The automobile sheet metal adhesive spot welding positioning and installation device according to claim 1, characterized in that: The slide groove is T-shaped.

4. The automobile sheet metal adhesive spot welding positioning and installation device according to claim 1, characterized in that: The scale on the fixed block is arranged longitudinally.

5. The automobile sheet metal adhesive spot welding positioning and installation device according to claim 1, characterized in that: There are two positioning baffle assemblies, and one positioning baffle assembly is respectively arranged on both sides of the through hole in the center of the overlapping platform along the longitudinal direction.

6. The automobile sheet metal adhesive spot welding positioning and installation device according to claim 1, characterized in that: The positioning baffle assembly comprises a positioning pin and a positioning baffle. The positioning pin is vertically arranged, and its bottom is fixedly connected to the top surface of the overlapping platform. The positioning baffle is hinged to the top of the positioning pin.

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