Positioning spot welding device for connecting rod supporting seat

Abstract

The utility model discloses a locating spot welding device for a connecting rod supporting seat, which is used for locating spot welding of the supporting seat on a connecting rod workpiece and comprises a support seat connected with a welding column, and a horizontally arranged supporting platform is installed on the support seat and used for supporting and locating the connecting rod workpiece. The device is directly mounted on a welding column of the spot welding machine through the bracket seat, so that the mounting is simpler, and the stability is better; by means of the telescopic spring arranged between the connecting piece and the supporting rod, the device can adapt to connecting rod workpieces of different sizes and specifications; through sliding fit of the guide column and the sliding block assembly, the device can adapt to connecting rod workpieces of different lengths and sizes, the spot welding process of the connecting rod workpieces can be more stable through a positioning groove in the sliding block assembly, and the spot welding quality is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of spot welding, and in particular relates to a connecting rod support seat positioning spot welding device. Background Art

[0002] The existing spot welding operation of the connecting rod support seat is that the operator holds the connecting rod workpiece, inserts the positioning sleeve tooling, visually determines the position of the support seat, and then performs the spot welding operation.

[0003] Due to human factors such as hand-held and visual inspection, the welding position of the support seat may shift during operation, and the welding quality cannot be guaranteed. Utility Model Content

[0004] The utility model aims to provide a connecting rod support seat positioning spot welding device to solve the problem that the welding quality of the support seat cannot be guaranteed.

[0005] The utility model is realized by the following technical solutions:

[0006] A connecting rod support seat positioning spot welding device is used for positioning spot welding the support seat on a connecting rod workpiece, comprising a support seat connected to a welding column, wherein a horizontally arranged support platform is installed on the support seat for supporting and positioning the connecting rod workpiece.

[0007] The entire support platform is supported by the bracket seat installed on the welding column, and the connecting rod workpiece is supported by the support platform and the support seat is positioned. The device has a simple structure and is easy to install. The support seat can be positioned and spot welded on the connecting rod workpiece to ensure welding quality.

[0008] Furthermore, the bracket seat includes two clamping parts that cooperate with the welding column to facilitate the connection between the bracket seat and the welding column, and facilitate the installation and disassembly of the device.

[0009] Furthermore, a plurality of support rods are arranged on the bracket seat, one end of the support rod is connected to the bracket seat, and the other end is provided with a connecting piece, which is connected to the support platform. The connecting piece and the support rod are slidably connected, and a telescopic spring is arranged between the connecting piece and the support rod. By arranging the telescopic spring, the support platform forms a floating structure on the device, and the support platform can move up and down during the welding operation, so that the support platform can adapt to the installation and welding operations of connecting rod workpieces of different sizes.

[0010] Furthermore, a guide hole is provided on the connecting member, and a guide pin is provided on the support rod. The guide pin is arranged in the guide hole and cooperates with the guide hole. By providing a cooperation between the guide pin and the guide hole, the support platform can be restricted on the bracket seat while providing guidance for the up and down movement of the support platform.

[0011] Furthermore, the support rod is threadedly connected to the bracket seat, and an adjusting nut is provided between the support rod and the bracket seat. By adjusting the adjusting nut, the horizontal height of the entire support platform can be adjusted by 0-15mm.

[0012] Furthermore, the support platform includes a guide column arranged on the connecting member, and a first slider assembly and a second slider assembly are installed on the guide column. The first slider assembly includes a first slider and a support seat positioning plate arranged on the first slider, and the second slider assembly includes a second slider and a bracket arranged on the second slider. The support seat positioning plate and the bracket are both provided with positioning grooves that cooperate with the connecting rod workpiece to facilitate the support positioning and installation of the connecting rod workpiece on the support platform.

[0013] Furthermore, the first slider assembly and the second slider assembly are both connected to the guide column in a sliding fit, and the first slider assembly and the second slider assembly can be fixed to the guide column by bolts, so that the device can adapt to connecting rod workpieces of different lengths.

[0014] Furthermore, a positioning end surface for positioning the support seat is provided on the support seat positioning plate, which accurately positions the installation position of the support seat on the connecting rod workpiece, facilitates the installation of the support seat, ensures the operating efficiency of the spot welding operation, and improves the spot welding quality.

[0015] Furthermore, a third slider assembly is installed on the guide column, and the third slider assembly includes a third slider and a length positioning plate arranged on the third slider. The length positioning plate is used to position the installation position of the connecting rod workpiece on the supporting platform, so that the installation of the connecting rod workpiece is more convenient and the spot welding quality is improved.

[0016] Furthermore, an insulating pad is provided between the first slider and the support seat positioning plate, an insulating pad is provided between the second slider and the bracket, and an insulating pad is provided between the third slider and the length positioning plate;

[0017] By providing an insulating pad, it is possible to prevent the current from damaging or sticking the components of the device during operation.

[0018] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0019] The device is directly installed on the welding column of the spot welding machine through a bracket seat, so that the installation is simpler, the stability is better, and the structure of the device is simpler.

[0020] The device can adapt to connecting rod workpieces of different sizes by means of a telescopic spring arranged between the connecting piece and the supporting rod.

[0021] The device can adapt to connecting rod workpieces of different lengths and sizes through the sliding cooperation between the guide column and the slider assembly, and can make the spot welding process of the connecting rod workpiece more stable through the positioning groove on the slider assembly, thereby improving the spot welding quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0024] Figure 2 This is a schematic diagram of the structure of the first slider assembly of the utility model.

[0025] Figure 3 This is a schematic diagram of the structure of the second slider assembly of the utility model.

[0026] Figure 4 This is a schematic diagram of the structure of the third slider assembly of the utility model.

[0027] Figure 5 This is a schematic diagram of the support rod structure of the utility model.

[0028] Figure 6 It is a cross-sectional schematic diagram of the connection structure between the connecting piece and the support rod of the utility model.

[0029] Among them: 1-bracket seat, 2-adjusting nut, 3-support rod, 4-connecting piece, 5-guide column, 6-first slider, 7-second slider, 8-third slider, 9-support seat positioning plate, 10-bracket, 11-length positioning plate, 12 connecting rod workpiece, 13-support seat, 14-telescopic spring, 15-insulating pad, 16-lower electrode, 17-upper electrode, 18-welding column, 19-guide pin, 20-guide hole, 21-positioning end face. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments.

[0031] Example 1

[0032] like Figure 1As shown, a connecting rod support seat positioning spot welding device is used to position and spot weld a support seat 13 on a connecting rod workpiece 12, including a bracket seat 1 connected to a welding column, and a horizontally arranged support platform is installed on the bracket seat 1 for supporting and positioning the connecting rod workpiece 12.

[0033] The entire support platform is supported by the bracket seat 1 installed on the welding column, and the connecting rod workpiece 12 and the support seat 13 are supported by the support platform. The device has a simple structure and is easy to install. The support seat 13 can be positioned and spot welded on the connecting rod workpiece 12 to ensure welding quality.

[0034] Example 2

[0035] like Figure 1 As shown, the bracket seat 1 includes two clamping parts that cooperate with the welding column 18 to facilitate the connection between the bracket seat and the welding column 18 and facilitate the installation and disassembly of the device.

[0036] Example 3

[0037] like Figure 1 , Figure 5 As shown, a plurality of support rods 3 are arranged on the bracket seat 1, one end of the support rod 3 is connected to the bracket seat 1, and the other end is provided with a connecting member 4, the connecting member 4 is connected to the support platform, the connecting member 4 and the support rod 3 are slidably connected, and a telescopic spring 14 is arranged between the connecting member 4 and the support rod 3. By arranging the telescopic spring 14, the support platform forms a floating structure on the device, and the support platform can move up and down during the welding operation, so that the support platform can adapt to the installation and welding operations of connecting rod workpieces 12 of different sizes.

[0038] Example 4

[0039] like Figure 1 , Figure 6 As shown, a guide hole 20 is provided on the connecting member 4, and a guide pin 19 is provided on the support rod 3. The guide pin 19 is arranged in the guide hole 20 and cooperates with the guide hole 20. By providing a cooperation between the guide pin 19 and the guide hole 20, the support platform can be restricted on the bracket seat 1 while providing guidance for the up and down movement of the support platform.

[0040] Example 5

[0041] like Figure 1 As shown, the support rod 3 is threadedly connected to the bracket seat 1, and an adjusting nut 2 is provided between the support rod 3 and the bracket seat 1. By adjusting the adjusting nut 2, the horizontal height of the entire support platform can be adjusted by 0-15mm.

[0042] Example 6

[0043] like Figure 1, Figure 3 As shown, the support platform includes a guide column 5 arranged on the connecting member 4, and the first slider assembly and the second slider assembly are installed on the guide column 5. The first slider assembly includes a first slider 6 and a support seat positioning plate 9 arranged on the first slider 6. The second slider assembly includes a second slider 7 and a bracket 10 arranged on the second slider 7. The support seat positioning plate 9 and the bracket 10 are both provided with positioning grooves that cooperate with the connecting rod workpiece 12 to facilitate the support positioning and installation of the connecting rod workpiece 12 on the support platform.

[0044] Example 7

[0045] like Figure 1 As shown, the first slider assembly and the second slider assembly are both connected to the guide column 5 in a sliding fit, and the first slider assembly and the second slider assembly can be fixed to the guide column 5 by bolts, so that the device can adapt to connecting rod workpieces 12 of different lengths.

[0046] Example 8

[0047] like Figure 2 As shown, the support seat positioning plate 9 is provided with a positioning end surface 21 for positioning the support seat 13, which accurately positions the installation position of the support seat 13 on the connecting rod workpiece 12, facilitates the installation of the support seat 13, ensures the operating efficiency of the spot welding operation, and improves the spot welding quality.

[0048] Example 9

[0049] like Figure 1 , Figure 4 A third slider assembly is also installed on the guide column 5, and the third slider assembly includes a third slider 8 and a length positioning plate 11 arranged on the third slider 8. The length positioning plate 11 is used to position the installation position of the connecting rod workpiece 12 on the supporting platform, so that the installation of the connecting rod workpiece 12 is more convenient and the spot welding quality is improved.

[0050] Example 10

[0051] like Figure 1 As shown, an insulating pad 15 is arranged between the first slider 6 and the support seat positioning plate 9 , an insulating pad 15 is arranged between the second slider 7 and the bracket 10 , and an insulating pad 15 is arranged between the third slider 8 and the length positioning plate 11 .

[0052] By providing the insulating pad 15 , it is possible to prevent the current from damaging or sticking the components of the device during operation.

[0053] like Figure 1As shown, during the spot welding operation, the upper electrode 17 of the spot welding machine moves downward until it contacts the support seat 13, and then continues to apply a downward force to the support seat 13 to slowly move the support platform downward until the support seat 13 contacts the lower electrode 16 of the spot welding machine. Then, the power is turned on to complete the two-spot welding. Then, the upper electrode 17 is lifted, and the connecting piece 4 rebounds to its original position under the action of the telescopic spring 14. After the operator rotates the connecting rod workpiece 12, the above-mentioned spot welding operation steps are continued to complete the next spot welding operation.

[0054] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. used to indicate the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, or are the orientation or position relationship in which the utility model product is usually placed when used. They are only for the convenience of describing the present utility model 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, and therefore cannot be understood as a limitation on the present utility model.

[0055] In addition, if the terms "horizontal" or "vertical" appear in the description of the present invention, it does not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0056] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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 mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected 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.

[0057] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent changes made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the present invention.

Claims

1. A connecting rod support seat positioning spot welding device, used for positioning spot welding a support seat (13) on a connecting rod workpiece (12), characterized in that: It comprises a support seat (1) connected to a welding column, wherein a horizontally arranged support platform is mounted on the support seat (1) for supporting and positioning a connecting rod workpiece (12); The bracket seat (1) comprises two clamping parts that cooperate with the welding column (18).

2. A connecting rod support seat positioning spot welding device according to claim 1, characterized in that: A plurality of support rods (3) are arranged on the support seat (1), one end of the support rod (3) is connected to the support seat (1), and the other end is provided with a connecting piece (4), the connecting piece (4) is connected to the support platform, the connecting piece (4) and the support rod (3) are connected in a sliding manner, and a telescopic spring (14) is arranged between the connecting piece (4) and the support rod (3).

3. A connecting rod support seat positioning spot welding device according to claim 2, characterized in that: The connecting member (4) is provided with a guide hole (20), the supporting rod (3) is provided with a guide pin (19), and the guide pin (19) is arranged in the guide hole (20) and matches with the guide hole (20).

4. A connecting rod support seat positioning spot welding device according to claim 2, characterized in that: The support rod (3) is threadedly connected to the support seat (1), and an adjusting nut (2) is provided between the support rod (3) and the support seat (1).

5. A connecting rod support seat positioning spot welding device according to claim 2, characterized in that: The support platform comprises a guide column (5) arranged on a connecting member (4), a first slider assembly and a second slider assembly being mounted on the guide column (5), the first slider assembly comprising a first slider (6) and a support seat positioning plate (9) arranged on the first slider (6), the second slider assembly comprising a second slider (7) and a bracket (10) arranged on the second slider (7), and positioning grooves cooperating with a connecting rod workpiece (12) are provided on the support seat positioning plate (9) and the bracket (10).

6. A connecting rod support seat positioning spot welding device according to claim 5, characterized in that: The first slider assembly and the second slider assembly are both connected to the guide column (5) in a sliding fit, and the first slider assembly and the second slider assembly can be fixed to the guide column (5) by bolts.

7. A connecting rod support seat positioning spot welding device according to claim 5, characterized in that: An insulating pad (15) is provided between the first sliding block (6) and the support seat positioning plate (9).

8. A connecting rod support seat positioning spot welding device according to claim 5, characterized in that: The support seat positioning plate (9) is provided with a positioning end surface (21) for positioning the support seat (13).

9. A connecting rod support seat positioning spot welding device according to claim 5, characterized in that: A third slider assembly is also mounted on the guide column, the third slider assembly comprising a third slider (8) and a length positioning plate (11) arranged on the third slider (8), the length positioning plate (11) being used to position one end of the connecting rod workpiece (12) on the support platform.

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