CN212674619U - Automobile body solder joint test fixture - Google Patents
Automobile body solder joint test fixture Download PDFInfo
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- CN212674619U CN212674619U CN202021459664.1U CN202021459664U CN212674619U CN 212674619 U CN212674619 U CN 212674619U CN 202021459664 U CN202021459664 U CN 202021459664U CN 212674619 U CN212674619 U CN 212674619U
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Abstract
The utility model relates to a vehicle field discloses an automobile body solder joint test fixture. The automobile body welding spot test fixture comprises a fixing unit and a twisting unit, the fixing unit comprises a test base and a first base plate, the test base is provided with a first accommodating groove, a first limiting plate is arranged at a notch of the first accommodating groove, the first base plate is arranged in the first accommodating groove, the distance between the first base plate and the first limiting plate is adjustable, and the first base plate and the first limiting plate are configured to clamp a first material sheet of an automobile body welding spot sample; the torsion unit comprises a test torque arm and a second base plate, the test torque arm is provided with a second containing groove, a second limiting plate is arranged at a notch of the second containing groove, the second base plate is arranged in the second containing groove, the distance between the second base plate and the second limiting plate is adjustable, and the second base plate and the second limiting plate are configured into a second material sheet for clamping a welding spot sample of the automobile body. The utility model discloses convenient operation, efficiency of software testing is high, can be applicable to the automobile body solder joint sample test of multiple thickness size.
Description
Technical Field
The utility model relates to a vehicle field especially relates to an automobile body solder joint test fixture.
Background
In the trial production and mass production process of new automobile body products, the torsion-resistant qualification of welding points of the automobile body is one of key indexes for evaluating whether the welding quality meets the requirements. In the initial welding parameter selection stage, the process adjustment stage when the welding quality fluctuates and the current welding quality is questionable, the torsion shear resistance qualification of the resistance spot welding seam is generally required to be tested and evaluated.
It is a common method to make a suitable welding spot torsion-resistant shear sample by a tablet method and to perform test evaluation by a professional test laboratory. The professional test laboratory generally has a dust-free requirement and is far away from a production station, and if the test is executed according to the professional test method, the test efficiency is low, and the requirements of rapid trial production and mass production on large beats of the vehicle body cannot be met. If the arm of a worker is directly operated by the station for testing, the length of the material sheet is longer so as to ensure that a large enough testing torque is formed by means of manpower. For thick plate welding, the problem that manpower cannot test is often generated.
SUMMERY OF THE UTILITY MODEL
Based on the above problem, an object of the utility model is to provide an automobile body solder joint test fixture, convenient operation, efficiency of software testing is high.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a welding spot test fixture for a vehicle body comprises:
the fixing unit comprises a testing base and a first base plate, wherein the testing base is provided with a first accommodating groove, a notch of the first accommodating groove is provided with a first limiting plate, the first base plate is arranged in the first accommodating groove, the distance between the first base plate and the first limiting plate is adjustable, and the first base plate and the first limiting plate are configured to clamp a first material sheet of a welding spot sample of the automobile body;
the torsion unit comprises a test torsion arm and a second base plate, wherein the test torsion arm is provided with a second accommodating groove, a second limiting plate is arranged at a notch of the second accommodating groove, the second base plate is arranged in the second accommodating groove, the distance between the second base plate and the second limiting plate is adjustable, and the second base plate and the second limiting plate are configured to be clamped into a second material sheet of the welding spot sample of the automobile body.
As the utility model discloses an automobile body solder joint test fixture's preferred scheme, fixed unit still includes first bolt, first bolt threaded connection in the bottom of first holding tank, and with first backing plate butt, in order to adjust first backing plate with the interval of first limiting plate.
As the utility model discloses an automobile body solder joint test fixture's preferred scheme, the test base is provided with the through-hole, the through-hole set up in the below of first holding tank, first bolt is kept away from the one end of first backing plate is located in the through-hole.
As the utility model discloses an automobile body solder joint test fixture's preferred scheme, first bolt is provided with two at least, two at least first bolt is followed the length direction interval of first backing plate sets up.
As the utility model discloses an automobile body solder joint test fixture's preferred scheme, the torsion unit still includes the second bolt, second bolt threaded connection in the bottom of second holding tank, and with second backing plate butt, in order to adjust the second backing plate with the interval of second limiting plate.
As the utility model discloses an automobile body solder joint test fixture's preferred scheme, the second bolt is provided with two at least, two at least the second bolt is followed the length direction interval of test torque arm sets up.
As the utility model discloses an automobile body solder joint test fixture's preferred scheme, the test base is provided with the fixed orifices, the fixed orifices internal connection has the third bolt, the test base passes through the third bolt is connected with the fixed work platform.
As the utility model discloses an automobile body solder joint test fixture's preferred scheme, the fixed orifices with the third bolt all is provided with a plurality ofly.
As the utility model discloses an automobile body solder joint test fixture's preferred scheme, the test base with the test torque arm is equipped with by well carbon quenched and tempered steel and forms.
As the utility model discloses an automobile body solder joint test fixture's preferred scheme, the test base is the I shape.
The utility model has the advantages that:
the utility model provides an automobile body solder joint test fixture, when the test, with the first tablet centre gripping of automobile body solder joint sample between the first backing plate and the first limiting plate of fixed unit, with the second tablet centre gripping of automobile body solder joint sample between the second backing plate and the second limiting plate of torsion unit, the test base that keeps fixed unit is fixed motionless, exert the effort to the test torque arm of torsion unit, until first tablet and second tablet separation, judge according to solder joint residual part's minimum stripping diameter whether accord with the antitorque qualification test demand of cutting of solder joint, high operation, time saving and labor saving, the test efficiency is high, the test accuracy is high, because the interval of first backing plate and first limiting plate is adjustable, the interval of second backing plate and second limiting plate is adjustable, can be applicable to the test of multiple thickness size's solder joint automobile body sample.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a vehicle body welding spot test fixture according to an embodiment of the present invention when testing a vehicle body welding spot sample;
FIG. 2 is a schematic structural diagram of a fixing unit in the fixture for testing welding spots of vehicle bodies according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a torsion unit in the fixture for testing welding spots of vehicle bodies according to an embodiment of the present invention.
In the figure:
1-a stationary unit; 2-a torsion unit;
11-a test base; 12-a first shim plate; 13-a first bolt;
111-a first accommodating groove; 112-a first limiting plate; 113-a via; 114-a fixation hole; 115-third bolt;
21-test torsion arm; 22-a second shim plate; 23-a second bolt;
211-a second receiving groove; 212-a second limiting plate;
100-car body welding spot sample; 101-a first web; 102-a second web; 103-welding spots;
200-fixed working table.
Detailed Description
In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but 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, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, the present embodiment provides a vehicle body welding spot test jig including a fixing unit 1 and a twisting unit 2. As shown in fig. 1 and fig. 2, the fixing unit 1 includes a testing base 11 and a first pad 12, the testing base 11 has a first receiving groove 111, a notch of the first receiving groove 111 is provided with a first limiting plate 112, the first pad 12 is disposed in the first receiving groove 111, an interval between the first pad 12 and the first limiting plate 112 is adjustable, and the first pad 12 and the first limiting plate 112 are configured to clamp the first material sheet 101 of the vehicle body solder joint sample 100.
As shown in fig. 1 and 3, the torsion unit 2 includes a test torque arm 21 and a second pad 22, the test torque arm 21 is provided with a second receiving groove 211, a notch of the second receiving groove 211 is provided with a second limiting plate 212, the second pad 22 is disposed in the second receiving groove 211, a distance between the second pad 22 and the second limiting plate 212 is adjustable, and the second pad 22 and the second limiting plate 212 are configured to clamp the second web 102 of the vehicle body welding spot test sample 100.
During testing, the first material sheet 101 of the vehicle body welding spot sample 100 is clamped between the first cushion plate 12 and the first limiting plate 112 of the fixing unit 1, the second material sheet 102 of the vehicle body welding spot sample 100 is clamped between the second cushion plate 22 and the second limiting plate 212 of the torsion unit 2, the testing base 11 of the fixing unit 1 is kept fixed, acting force is applied to the testing torque arm 21 of the torsion unit 2 until the first material sheet 101 and the second material sheet 102 are separated, whether the testing requirement of the torsion-resistant shear qualification is met is judged according to the minimum stripping diameter of the residual part of the welding spot 103, the operation is convenient, time and labor are saved, the testing efficiency is high, the testing accuracy is high, the distance between the first cushion plate 12 and the first limiting plate 112 is adjustable, the distance between the second cushion plate 22 and the second limiting plate 212 is adjustable, and the testing device can be suitable for testing the vehicle body welding spot samples 100 with various thickness.
To facilitate adjusting the distance between the first pad 12 and the first limiting plate 112, optionally, the fixing unit 1 further includes a first bolt 13, and the first bolt 13 is screwed to the bottom of the first accommodating groove 111 and abuts against the first pad 12 to adjust the distance between the first pad 12 and the first limiting plate 112. To facilitate screwing the first bolt 13, optionally, the testing base 11 is provided with a through hole 113, the through hole 113 is disposed below the first accommodating groove 111, and one end of the first bolt 13 away from the first pad 12 is located in the through hole 113. In order to ensure that the stress of the first base plate 12 is relatively uniform, at least two first bolts 13 are optionally arranged, and at least two first bolts 13 are arranged at intervals along the length direction of the first base plate 12.
To facilitate adjusting the distance between the second cushion plate 22 and the second limiting plate 212, optionally, the torsion unit 2 further includes a second bolt 23, and the second bolt 23 is screwed to the bottom of the second receiving groove 211 and abuts against the second cushion plate 22 to adjust the distance between the second cushion plate 22 and the second limiting plate 212. In order to ensure that the stress on the second backing plate 22 is relatively uniform, at least two second bolts 23 are optionally provided, and at least two second bolts 23 are arranged at intervals along the length direction of the test torque arm 21.
To facilitate fixing the test base 11, optionally, the test base 11 is provided with a fixing hole 114, a third bolt 115 is connected in the fixing hole 114, and the test base 11 is connected with the fixed workbench 200 through the third bolt 115. In order to ensure that the stress on the test base 11 is relatively uniform, optionally, a plurality of fixing holes 114 and a plurality of third bolts 115 are provided.
In order to ensure the structural strength of the testing base 11 and the testing torsion arm 21, optionally, the testing base 11 and the testing torsion arm 21 are both made of medium carbon quenched and tempered steel. For ease of assembly, the test base 11 is optionally i-shaped.
Note that the width L1 of the first receiving groove 111 and the width W1 of the first web 101 satisfy: w1+0.5 mm-L1-W1 +5 mm. The side width H1 of the first receiving groove 111 satisfies: h1 is more than or equal to 5mm and less than or equal to 20 mm. The thickness M1 of the first restriction plate 112 satisfies: m1 is more than or equal to 2mm and less than or equal to 4 mm. The length L2 of the first receiving groove 111 satisfies: l2 is more than or equal to 1.5W1 and less than or equal to 5W 1. The width W3 of the first shim plate 12 satisfies: w3 is more than or equal to W1 and is more than or equal to W1-5 mm. The width L3 of the second receiving groove 211 and the width W2 of the second web 102 satisfy: w2+0.5 mm-L3-W2 +5 mm. The side width H2 of the second receiving groove 211 satisfies: h2 is more than or equal to 5mm and less than or equal to 20 mm. The thickness M2 of the second restriction plate 212 satisfies: m2 is more than or equal to 2mm and less than or equal to 4mm, and the length L4 of the second accommodating groove 211 satisfies the following conditions: l4 is more than or equal to 1.5W2 and less than or equal to 5W 2. The width W4 of the second shim plate 22 satisfies: w4 is more than or equal to W2 and is more than or equal to W2-5 mm. Length L5 of test torque arm 21 satisfies: l5 is more than or equal to 250mm and less than or equal to 1000 mm.
In the vehicle body welding spot test fixture provided in the present embodiment, during the test, the first sheet 101 of the vehicle body welding spot test specimen 100 is clamped between the first pad 12 and the first limit plate 112 of the fixing unit 1, the second sheet 102 of the vehicle body welding spot test specimen 100 is clamped between the second pad 22 and the second limit plate 212 of the torsion unit 2, the test base 11 of the fixing unit 1 is kept stationary, a force is applied to the test torque arms 21 of the torsion unit 2, until the first web 101 and the second web 102 are separated, judging whether the test requirement of the welding spot torsion resistance qualification is met according to the minimum stripping diameter of the residual part of the welding spot 103, having convenient operation, time and labor saving, high test efficiency and high test accuracy, because the distance between the first cushion plate 12 and the first limiting plate 112 is adjustable, and the distance between the second cushion plate 22 and the second limiting plate 212 is adjustable, the test device can be suitable for testing the vehicle body welding spot samples 100 with various thickness sizes.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious modifications, rearrangements and substitutions without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. The utility model provides a car body solder joint test fixture which characterized in that includes:
the fixing unit (1) comprises a testing base (11) and a first base plate (12), wherein a first accommodating groove (111) is formed in the testing base (11), a first limiting plate (112) is arranged at a notch of the first accommodating groove (111), the first base plate (12) is arranged in the first accommodating groove (111), the distance between the first base plate (12) and the first limiting plate (112) is adjustable, and the first base plate (12) and the first limiting plate (112) are configured to clamp a first material sheet (101) of a welding spot sample (100) of the automobile body;
twist reverse unit (2), including test torque arm (21) and second backing plate (22), test torque arm (21) is provided with second holding tank (211), the notch of second holding tank (211) is provided with second limiting plate (212), second backing plate (22) set up in second holding tank (211), second backing plate (22) with the interval of second limiting plate (212) is adjustable, second backing plate (22) and second limiting plate (212) are configured into the centre gripping second tablet (102) of automobile body solder joint sample (100).
2. The vehicle body welding spot test fixture according to claim 1, wherein the fixing unit (1) further comprises a first bolt (13), and the first bolt (13) is connected to the bottom of the first accommodating groove (111) in a threaded manner and abuts against the first pad (12) to adjust the distance between the first pad (12) and the first limiting plate (112).
3. The vehicle body welding spot test fixture according to claim 2, wherein the test base (11) is provided with a through hole (113), the through hole (113) is arranged below the first accommodating groove (111), and one end of the first bolt (13) far away from the first base plate (12) is positioned in the through hole (113).
4. The vehicle body welding spot test fixture according to claim 2, wherein the number of the first bolts (13) is at least two, and at least two first bolts (13) are arranged at intervals along the length direction of the first base plate (12).
5. The vehicle body welding spot test fixture according to claim 1, wherein the torsion unit (2) further comprises a second bolt (23), and the second bolt (23) is screwed to the bottom of the second receiving groove (211) and abuts against the second pad plate (22) to adjust the distance between the second pad plate (22) and the second limit plate (212).
6. The vehicle body welding spot test fixture according to claim 5, wherein at least two second bolts (23) are provided, and at least two second bolts (23) are arranged at intervals along the length direction of the test torque arm (21).
7. The vehicle body welding spot test fixture according to claim 1, wherein the test base (11) is provided with a fixing hole (114), a third bolt (115) is connected in the fixing hole (114), and the test base (11) is connected with a fixed workbench (200) through the third bolt (115).
8. The vehicle body weld testing fixture according to claim 7, wherein a plurality of the fixing holes (114) and the third bolts (115) are provided.
9. The vehicle body weld testing fixture according to claim 1, wherein the testing base (11) and the testing torque arm (21) are both made of medium carbon hardened and tempered steel.
10. The vehicle body weld testing fixture according to any one of claims 1 to 9, wherein the testing base (11) is i-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021459664.1U CN212674619U (en) | 2020-07-22 | 2020-07-22 | Automobile body solder joint test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021459664.1U CN212674619U (en) | 2020-07-22 | 2020-07-22 | Automobile body solder joint test fixture |
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| Publication Number | Publication Date |
|---|---|
| CN212674619U true CN212674619U (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021459664.1U Active CN212674619U (en) | 2020-07-22 | 2020-07-22 | Automobile body solder joint test fixture |
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| CN (1) | CN212674619U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115266399A (en) * | 2022-08-09 | 2022-11-01 | 中国重汽集团济宁商用车有限公司 | Solder joint torsion test device |
-
2020
- 2020-07-22 CN CN202021459664.1U patent/CN212674619U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115266399A (en) * | 2022-08-09 | 2022-11-01 | 中国重汽集团济宁商用车有限公司 | Solder joint torsion test device |
| CN115266399B (en) * | 2022-08-09 | 2023-07-04 | 中国重汽集团济宁商用车有限公司 | Welding spot torsion test device |
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