Taillight protective fence spot welding positioning assistive device

Abstract

The spot welding positioning assistive device comprises a bottom plate and a vertical plate perpendicularly fixed to the rear side of the upper plate face of the bottom plate, two supporting blocks which are located on the front side of the vertical plate and used for positioning and supporting a U-shaped rod and a cross rod in the tail lamp protective fence are symmetrically fixed to the upper plate face of the bottom plate, and the two ends of the U-shaped rod are positioned and supported through the vertical plate. The two ends of the transverse rod make contact with the two side rods of the U-shaped rod correspondingly, elastic supporting columns which are the same as vertical rods in the tail lamp protective fence in number and located below the U-shaped rod are fixed to the upper end face of the bottom plate, the lower ends of the vertical rods are inserted and positioned in the elastic supporting columns, and the upper ends of the vertical rods abut against the welding position of the U-shaped rod under elastic supporting of the elastic supporting columns. The U-shaped rod, the transverse rod and the vertical rods are fixedly connected in a spot welding mode to form the tail lamp protective fence. The automatic spot welding device solves the problems of low efficiency, low precision and poor consistency of manual spot welding of the taillight protective fence, improves the welding quality and efficiency of the taillight protective fence, is convenient for batch production of the taillight protective fence, and has higher use value.

Description

Technical Field

[0001] The utility model belongs to the technical field of spot welding positioning aids, and in particular relates to a spot welding positioning aid for a taillight protection grille. Background Art

[0002] At present, the taillights of trucks are mounted on the rear end of the vehicle through a bracket, and the taillights are provided with necessary protection through a taillight protection grille arranged on the bracket to reduce damage to the taillights; and the current taillight protection grille, such as Figure 2 As shown, it is welded by U-shaped rods, horizontal rods and multiple vertical rods. Before full welding, each part needs to be spot welded and formed. The taillight protection grille has many spot welding rods and has high requirements on forming quality. If manual measurement spot welding is used, the spot welding efficiency and accuracy are low, the labor intensity is high, and the spot welding consistency is poor. Therefore, in order to improve the spot welding efficiency, ensure the welding quality, and improve the welding consistency of the taillight protection grille, it is necessary to design a spot welding auxiliary tool. Utility Model Content

[0003] The technical problem solved by the utility model is: to provide a taillight protection grille spot welding positioning aid, which adopts a structure including a bottom plate, a vertical plate, a support block and an elastic positioning column to achieve reliable positioning of the U-shaped rod, a cross rod and multiple vertical rods of the taillight protection cover, solves the problems of low efficiency, low accuracy and poor consistency in manual measurement of spot welding of the taillight protection grille, improves the welding quality and efficiency of the taillight protection grille, facilitates the mass production of the taillight protection grille, and has a high use value.

[0004] The technical solution adopted by the utility model: a spot welding positioning aid for a taillight protection grille, comprising a base plate and a vertical plate vertically fixed to the rear side of the upper surface of the base plate, two support blocks located in front of the vertical plate and used for positioning and supporting the U-shaped rod and the cross bar in the taillight protection grille are symmetrically fixed to the upper surface of the base plate, the two ends of the U-shaped rod are positioned and supported by the vertical plate, and the two ends of the cross bar are respectively in contact with the two side rods of the U-shaped rod, and the upper surface of the base plate is fixed with elastic support columns with the same number as the vertical rods in the taillight protection grille and located below the U-shaped rod, the lower ends of the vertical rods are inserted and positioned in the elastic support columns, and under the elastic support of the elastic support columns, the upper ends of the vertical rods are abutted against the welding position of the U-shaped rod, and the U-shaped rod, the cross bar and a plurality of vertical rods are spot welded and fixedly connected to form the taillight protection grille.

[0005] Wherein, a U-shaped positioning groove adapted to the end of the U-shaped rod is formed on the upper end surface of the vertical plate, and the end of the U-shaped rod is clamped in the U-shaped positioning groove at the corresponding position.

[0006] Furthermore, the upper end surface of the support block is formed with two horizontal U-shaped grooves distributed front to back, and the horizontal section of the U-shaped rod and the cross bar whose ends are in contact with the corresponding side bars of the U-shaped rod are respectively adapted to be positioned in the two horizontal U-shaped grooves.

[0007] Furthermore, the bottom of the U-shaped positioning groove and the bottoms of the two horizontal U-shaped grooves are located on the same plane.

[0008] Furthermore, the elastic support column includes a sleeve and a spring positioned in the sleeve, the inner hole of the sleeve adopts a stepped hole with a lower end diameter larger than an upper end diameter, and the spring is installed in the large diameter hole at the lower end of the sleeve, the distance between the upper end of the spring and the bottom of the U-shaped rod is smaller than the length of the vertical rod, and the lower end of the vertical rod is inserted into the stepped hole from the upper end of the sleeve, and the upper end of the vertical rod is pressed against the bottom of the U-shaped rod under the action of the rebound force of the spring.

[0009] The advantages of this utility model compared with the prior art:

[0010] 1. This technical solution adopts a structure including a bottom plate, a vertical plate, a support block and an elastic positioning column to realize reliable positioning of the U-shaped rod, the cross rod and multiple vertical rods of the taillight protection cover, solves the problems of low efficiency, low precision and poor consistency of manual measurement of spot welding of the taillight protection grille, improves the welding quality and efficiency of the taillight protection grille, and facilitates the mass production of the taillight protection grille;

[0011] 2. This technical solution provides conditions for the horizontal positioning of the U-shaped rod by machining a U-shaped positioning groove with the notch facing upward at the upper edge of the vertical plate, and cooperates with the horizontal U-shaped grooves on the two support blocks to ensure the position reliability of the U-shaped rod during spot welding;

[0012] 3. This technical solution provides conditions for supporting the cross bar and the U-shaped bar on the same plane by setting a horizontal U-shaped groove for positioning the support cross bar on the support block, ensuring that the cross bar and the U-shaped bar are in the same plane and that the end of the cross bar contacts the side wall of the corresponding side of the U-shaped bar, thereby providing positioning conditions for contact welding between the cross bar and the side bar of the U-shaped bar, and ensuring the quality and accuracy of spot welding between the two;

[0013] 4. This technical solution has a simple structure, novel design, stable and reliable positioning structure, low cost and high use value. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the use state of the utility model;

[0015] Figure 2 Schematic diagram of the taillight protection grille structure. DETAILED DESCRIPTION

[0016] The following will be combined with the embodiment of the present utility model Figure 1, clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] It should be noted that, in this document, unless otherwise stated, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, 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, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc., are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0018] In this document, the terms "comprises", "comprising" or any other variation thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further limitations. The elements defined by the sentence "comprising a ..." do not exclude the presence of other identical elements in the process, method, article or device comprising the elements.

[0019] Taillight protection grille spot welding positioning aids, such as Figure 1As shown, it comprises a bottom plate 1 and a vertical plate 2 vertically fixed to the rear side of the upper plate surface of the bottom plate 1, two support blocks 3 are symmetrically fixed on the upper plate surface of the bottom plate 1, which are located in front of the vertical plate 2 and are used to position and support the U-shaped rod 4 and the cross bar 5 in the tail light protection grille. The two ends of the U-shaped rod 4 are positioned and supported by the vertical plate 2, and the two ends of the cross bar 5 are respectively in contact with the two side rods of the U-shaped rod 4. The upper end surface of the bottom plate 1 is fixed with elastic support columns 7 which are the same in number as the vertical rods 6 in the tail light protection grille and are located below the U-shaped rod 4. The lower ends of the vertical rods 6 are inserted and positioned in the elastic support columns 7 and are elastically supported. Under the elastic support of the flexible support column 7, the upper end of the vertical rod 6 is against the welding position of the U-shaped rod 4, and the U-shaped rod 4, the cross bar 5 and the plurality of vertical rods 6 are spot-welded and fixedly connected to form a taillight protection grille; in the above structure, a structure including a bottom plate 1, a vertical plate 2, a support block 3 and an elastic positioning column 7 is adopted to realize reliable positioning of the U-shaped rod 4, the cross bar 5 and the plurality of vertical rods 6 of the taillight protection cover, solves the problems of low efficiency, low precision and poor consistency of manual measurement of spot welding of the taillight protection grille, improves the welding quality and efficiency of the taillight protection grille, and facilitates mass production of the taillight protection grille;

[0020] The structure of the vertical plate 2 for positioning the end of the U-shaped rod 4 is as follows: the upper end surface of the vertical plate 2 is formed with a U-shaped positioning groove 8 adapted to the end of the U-shaped rod 4, and the end of the U-shaped rod 4 is clamped in the U-shaped positioning groove 8 at the corresponding position.

[0021] Among them, the positioning structure of the positioning block 3 for the U-shaped rod 4 and the cross bar 5 is specifically as follows: the upper end surface of the support block 3 is formed with two horizontal U-shaped grooves 9 distributed front and back, and the horizontal section of the U-shaped rod 4 and the cross bar 5 whose end contacts the corresponding side rods of the U-shaped rod 4 are respectively adapted to be positioned in the two horizontal U-shaped grooves 9; specifically, the bottom of the U-shaped positioning groove 8 and the bottom of the two horizontal U-shaped grooves 9 are located on the same plane, thereby ensuring that the end of the U-shaped rod 4 is located on the same plane with the horizontal section after positioning, and the U-shaped rod 4 and the cross bar 5 are located on the same plane, thereby reliably positioning the welding position of the U-shaped rod 4 and the cross bar 5.

[0022] In the above structure, a U-shaped positioning groove 8 is provided on the upper end plate of the vertical plate 2 with the notch facing upward, and the horizontal U-shaped groove 9 provided on the two support blocks 3 is matched to provide conditions for the horizontal positioning of the U-shaped rod 4, thereby ensuring the position reliability of the U-shaped rod 4 during spot welding; a horizontal U-shaped groove 9 for positioning the support cross bar 5 is provided on the support block 3, thereby providing conditions for the cross bar 5 and the U-shaped rod 4 to be supported on the same plane, ensuring that the cross bar 5 and the U-shaped rod 4 are located on the same plane and the end of the cross bar 5 is in contact with the corresponding side wall of the U-shaped rod 4, thereby providing positioning conditions for the contact welding of the cross bar 5 and the side bar of the U-shaped rod 4, thereby ensuring the quality and accuracy of the spot welding of the two;

[0023] The specific structure of the elastic support column 7 is as follows: the elastic support column 7 includes a sleeve and a spring positioned in the sleeve, the inner hole of the sleeve adopts a stepped hole with a lower end diameter larger than an upper end diameter, and the spring is installed in the large diameter hole at the lower end of the sleeve, the distance between the upper end of the spring and the bottom of the U-shaped rod 4 is less than the length of the vertical rod 6, and the lower end of the vertical rod 6 is inserted into the stepped hole from the upper end of the sleeve, and the upper end of the vertical rod 6 is abutted against the bottom of the U-shaped rod 4 under the action of the spring's rebound force; in the above structure, a structure in which the distance between the upper end of the spring and the bottom of the U-shaped rod 4 is less than the length of the vertical rod 6 is adopted, which is conducive to compressing the spring after the vertical rod 6 is inserted, so that the upper end of the vertical rod 6 is in contact with the welding position of the bottom of the U-shaped rod 4 under the action of the spring's rebound, thereby ensuring the position accuracy of the two during welding and improving the spot welding accuracy and spot connection quality.

[0024] First, Figure 1 The lower ends of the four vertical rods 6 shown are inserted into the sleeve, and then when the U-shaped rod 4 is installed, the two ends of the U-shaped rod 4 are first installed into the corresponding U-shaped positioning grooves 8, and then the horizontal section is knocked into the corresponding horizontal U-shaped groove 9. At this time, under the action of the spring, the vertical rod 6 is against the corresponding position of the U-shaped rod 4, and then the cross bar 5 is adjusted to the center position and installed in the corresponding U-shaped positioning groove 8, so that the two ends of the cross bar 5 are in contact with the side rods at the corresponding positions of the U-shaped rod 4, and then spot welding can be performed.

[0025] The technical solution has a simple structure, novel design, stable and reliable positioning structure, low cost and high use value.

[0026] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. Taillight protection grille spot welding positioning aid, characterized by: The invention comprises a bottom plate (1) and a vertical plate (2) vertically fixed to the rear side of the upper plate surface of the bottom plate (1); two support blocks (3) are symmetrically fixed to the upper plate surface of the bottom plate (1) and are located in front of the vertical plate (2) and are used to position and support the U-shaped rod (4) and the cross bar (5) in the tail light protection grille; the two ends of the U-shaped rod (4) are positioned and supported by the vertical plate (2), and the two ends of the cross bar (5) are respectively in contact with the two side bars of the U-shaped rod (4); the upper end surface of the bottom plate (1) is fixed with elastic support columns (7) which are the same in number as the vertical rods (6) in the tail light protection grille and are located below the U-shaped rod (4); the lower ends of the vertical rods (6) are inserted and positioned in the elastic support columns (7), and the upper ends of the vertical rods (6) are against the welding position of the U-shaped rod (4) under the elastic support of the elastic support columns (7); and the U-shaped rod (4), the cross bar (5) and the plurality of vertical rods (6) are spot welded and fixedly connected to form the tail light protection grille.

2. The taillight protection grille spot welding positioning aid according to claim 1, characterized in that: The upper end surface of the vertical plate (2) is provided with a U-shaped positioning groove (8) adapted to the end of the U-shaped rod (4), and the end of the U-shaped rod (4) is clamped in the U-shaped positioning groove (8) at the corresponding position.

3. The taillight protection grille spot welding positioning aid according to claim 2, characterized in that: The upper end surface of the support block (3) is provided with two horizontal U-shaped grooves (9) distributed front to back, and the horizontal section of the U-shaped rod (4) and the cross bar (5) whose end contacts the corresponding side rod of the U-shaped rod (4) are respectively adapted to be positioned in the two horizontal U-shaped grooves (9).

4. The taillight protection grille spot welding positioning aid according to claim 3, characterized in that: The bottom of the U-shaped positioning groove (8) and the bottoms of the two horizontal U-shaped grooves (9) are located on the same plane.

5. The taillight protection grille spot welding positioning aid according to any one of claims 1 to 4, characterized in that: The elastic support column (7) comprises a sleeve and a spring positioned in the sleeve, the inner hole of the sleeve is a stepped hole with a lower diameter larger than an upper diameter, and the spring is installed in the large diameter hole at the lower end of the sleeve, the distance between the upper end of the spring and the bottom of the U-shaped rod (4) is smaller than the length of the vertical rod (6), and the lower end of the vertical rod (6) is inserted into the stepped hole from the upper end of the sleeve, and under the action of the spring rebound force, the upper end of the vertical rod (6) is pressed against the bottom of the U-shaped rod (4).

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