Positioning tool for pressure welding of car light grid

Abstract

Provided is a positioning tool for pressure welding of a vehicle light grid, wherein a longitudinal positioning plate is provided inside a circular frame, and the two ends of the longitudinal positioning plate are fixedly connected to the inner walls of the two wide sides and are flush with the upper edge of the circular frame, and a plurality of transverse positioning plates are provided inside the circular frame, distributed along the length direction thereof and fixedly connected to the inner walls of the long sides, and the plurality of transverse positioning plates are plug-in fixedly connected to the longitudinal positioning plate, and the upper ends of the longitudinal positioning plates and the upper ends of the two long sides of the circular frame are both provided with a plurality of positioning grooves 1 corresponding to the positions, and the transverse positioning plate is provided with positioning grooves 2 having the same number as the U-shaped rods of the vehicle light grid, and the left end of the U-shaped rod adapted to fit in the positioning grooves 2 is positioned by a U-shaped rod end positioning device fixed on the inner wall of the left end of the circular frame. The utility model solves the problem of inconvenient and low efficiency in positioning the U-shaped rod and the transverse rod before pressure welding of the vehicle light grid, improves the pressure welding accuracy and efficiency of the vehicle light grid, and can quickly and accurately determine the relative positions of the transverse rod and the U-shaped rod without manual measurement, and is particularly suitable for mass production of vehicle light grids.

Description

Technical Field

[0001] The utility model belongs to the technical field of spot welding positioning aids, and in particular relates to a positioning tool for pressure welding of a vehicle light grid. Background Art

[0002] At present, the headlights of trucks are installed at the rear end of the vehicle through a bracket, and the headlight grille arranged on the bracket is used to provide necessary protection for the headlights to reduce damage to the headlights. When processing the headlight grille, first process it into Figure 3 The mesh structure shown in the figure is then welded to the frame and bent. Figure 3 The mesh structure shown is a structure formed by pressure welding a plurality of U-shaped rods 1 with openings facing downward and a plurality of cross bars 2. If the positions of the U-shaped rods 1 and the cross bars 2 are determined by manual measurement, the labor intensity is high, the pressure welding efficiency and accuracy are low, the consistency is poor, and it is not suitable for mass production. Therefore, it is necessary to design a spot welding auxiliary device to address the above problems. Utility Model Content

[0003] The technical problem solved by the utility model is as follows: a positioning tool for pressure welding of a vehicle light grid is provided, a plurality of positioning grooves are arranged on the upper ends of the two long sides of a circular frame and the upper edges of the longitudinal positioning plates inside the circular frame, so as to realize the fixed-distance positioning of the cross bar of the vehicle light grid, and the U-shaped rod is positioned by a plurality of horizontal positioning plates arranged in the circular frame and a U-shaped rod end positioning device arranged on the inner side wall at one end in the width direction of the circular frame, so that the problem of inconvenient and low efficiency in positioning the U-shaped rod and the cross bar before pressure welding of the vehicle light grid is solved, the pressure welding accuracy and efficiency of the vehicle light grid are improved, the relative positions of the cross bar and the U-shaped rod can be determined quickly and accurately without manual measurement, the structure is simple, the design is reasonable, the cost is low, and it is particularly suitable for mass production of vehicle light grids.

[0004] The technical solution adopted by the utility model: a positioning tool for pressure welding of a vehicle light grid, comprising a circular frame, wherein the circular frame is provided with a longitudinal positioning plate at both ends fixedly connected to the inner walls of its two wide sides and flush with the upper edge of the circular frame, wherein the circular frame is provided with a plurality of transverse positioning plates distributed along its length direction and fixedly connected to the inner walls of the long sides, and the plurality of transverse positioning plates are plugged and fixedly connected to the longitudinal positioning plate, wherein the upper end of the longitudinal positioning plate and the upper ends of the two long sides of the circular frame are both provided with a plurality of positioning grooves 1 corresponding to the positions and used for positioning the transverse bars of the vehicle light grid at a fixed distance, wherein the transverse positioning plate is provided with a plurality of positioning grooves 2 having the same number as the U-shaped bars of the vehicle light grid, and the left end of the U-shaped bar adapted to be in the second positioning groove is positioned by a U-shaped bar end positioning device fixed on the inner wall of the left end of the circular frame.

[0005] Among them, the U-shaped rod end positioning device includes fixing plates symmetrically distributed on both sides of the longitudinal positioning plate and fixed on the inner wall of the left end of the return frame. The fixing plate adopts a Z-shaped structure in which the plate surface away from one end of the longitudinal positioning plate is higher than the end plate surface fixedly connected to the longitudinal positioning plate. An E-shaped plate is fixed on the plate surface of the fixing plate facing the longitudinal positioning plate, which is flush with the upper end surface of the transverse positioning plate. The U-shaped groove on the E-shaped plate corresponds to the two positioning grooves on the same side of the transverse positioning plate and has the same number. A positioning tube corresponding to the upper and lower positions of the U-shaped groove is provided under the E-shaped plate, and the positioning tube is fixedly supported on the U-shaped seat on the bottom surface of the E-shaped plate.

[0006] Furthermore, the groove on the U-shaped seat corresponds to the upper and lower positions of the U-shaped groove, and the positioning tube located in the groove of the U-shaped seat is fixedly connected to the U-shaped seat with the pipe mouth facing upward, the vertical end of the left end of the U-shaped rod is inserted into the positioning tube, and the horizontal end of the U-shaped rod connected to the vertical end is positioned in the U-shaped groove.

[0007] Furthermore, a side plate flush with the upper edge of the circular frame is fixed on the outer wall of the long side of the circular frame, and the end of the cross bar is positioned by the side plate.

[0008] The advantages of this utility model compared with the prior art:

[0009] 1. This technical solution realizes the fixed distance positioning of the cross bars of the lamp grille by setting a plurality of positioning grooves on the upper ends of the two long sides of the circular frame and the upper edges of the longitudinal positioning plates inside the circular frame, and fixing the side plates on the two long sides of the circular frame to ensure the spacing size between the cross bars;

[0010] 2. This technical solution realizes reliable positioning of the relative position of the U-shaped rod by means of a plurality of horizontal positioning plates arranged in the circular frame and a U-shaped rod end positioning device arranged on the inner side wall of one end in the width direction of the circular frame and used to position the end of the U-shaped rod, thereby solving the problem of inconvenient and low efficiency positioning of the U-shaped rod and the horizontal rod before pressure welding of the lamp grid, and ensuring the spacing size and end position between each U-shaped rod;

[0011] 3. This technical solution adopts a positioning structure in which an E-shaped plate and a positioning tube fixed on the E-shaped plate cooperate to realize reliable positioning of the left and right positions of the U-shaped rod, thereby ensuring the relative position between the U-shaped rod and each crossbar;

[0012] 4. This technical solution has a simple structure, reasonable design, and low cost. It improves the pressure welding accuracy and efficiency of the headlight grille. The relative positions of the crossbar and the U-shaped rod can be quickly and accurately determined without manual measurement, and is particularly suitable for mass production of headlight grilles. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 for Figure 1Middle AA section view;

[0015] Figure 3 This is a schematic diagram of the structure of the headlight grille. DETAILED DESCRIPTION

[0016] The following will be combined with the embodiment of the present utility model Figure 1-3 , 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] Positioning tooling for pressure welding of car light grids, such as Figure 1-3As shown, it includes a return-shaped frame 3, and the return-shaped frame 3 is provided with a longitudinal positioning plate 6 whose two ends are fixedly connected to the inner walls of its two wide sides and are flush with the upper edge of the return-shaped frame 3. The return-shaped frame 3 is provided with a plurality of transverse positioning plates 5 distributed along its length direction and fixedly connected to the inner walls of the long sides, and a plurality of transverse positioning plates 5 are inserted and fixedly connected to the longitudinal positioning plate 6. The upper end of the longitudinal positioning plate 6 and the upper ends of the two long sides of the return-shaped frame 3 are both provided with a plurality of positioning grooves 4 corresponding to the positions and used for positioning the transverse rod 2 of the vehicle light grid at a fixed distance. The transverse positioning plate 5 is provided with positioning grooves 7 having the same number as the U-shaped rod 1 of the vehicle light grid, and the left end of the U-shaped rod 1 adapted to be in the positioning groove 7 is fixed to the U-shaped rod on the inner wall of the left end of the return-shaped frame 3. The rod end positioning device is positioned 1; in the above structure, a plurality of positioning grooves 4 are arranged on the upper ends of the two long sides of the return frame 3 and the upper edge of the longitudinal positioning plate 6 inside it, so as to realize the fixed-distance positioning of the cross bar of the headlight grid, and the U-shaped rod 1 is positioned by a plurality of horizontal positioning plates 5 arranged in the return frame 3 and a U-shaped rod end positioning device arranged on the inner side wall at one end of the width direction of the return frame 3, so as to solve the problem of inconvenient and low efficiency of positioning the U-shaped rod 1 and the cross bar 2 before pressure welding of the headlight grid, improve the pressure welding accuracy and efficiency of the headlight grid, and can quickly and accurately determine the relative positions of the cross bar 2 and the U-shaped rod 1 without manual measurement. It has a simple structure, reasonable design and low cost, and is particularly suitable for mass production of headlight grids.

[0020] like Figure 1-2 As shown, the specific structure of the U-shaped rod end positioning device is as follows: the U-shaped rod end positioning device includes fixed plates 8 symmetrically distributed on both sides of the longitudinal positioning plate 6 and fixed on the inner wall of the left end of the return frame 3, the fixed plate 8 adopts a Z-shaped structure in which the plate surface away from one end of the longitudinal positioning plate 6 is higher than the end plate surface fixedly connected to the longitudinal positioning plate 6, and an E-shaped plate 9 flush with the upper end surface of the transverse positioning plate 5 is fixed on the plate surface of the fixed plate 8 facing the longitudinal positioning plate 6, the U-shaped groove 10 on the E-shaped plate 9 corresponds to the position of the positioning groove 27 on the same side of the transverse positioning plate 5 and the number is the same, and a positioning tube 11 corresponding to the upper and lower positions of the U-shaped groove 10 is provided below the E-shaped plate 9, and the positioning tube 11 is fixedly supported on the U-shaped seat 12 on the bottom surface of the E-shaped plate 9;

[0021] The positioning structure of the left end of the U-shaped rod 1 is as follows: the groove on the U-shaped seat 12 corresponds to the upper and lower positions of the U-shaped groove 10, and the positioning tube 11 located in the groove of the U-shaped seat 12 is fixedly connected to the U-shaped seat 12 with the tube mouth facing upward, the vertical end of the left end of the U-shaped rod 1 is inserted into the positioning tube 11, and the horizontal end of the U-shaped rod 1 connected to the vertical end is positioned in the U-shaped groove 10; in the above structure, Figure 1As shown, the positioning grooves 7 on the plurality of horizontal positioning plates 5 realize the positioning of the upper and lower positions of the U-shaped rod 1, that is, the positioning of the return frame 3 in the width direction, and the plug-in structure of the vertical section of the U-shaped rod 1 and the positioning tube 11 and the structure in which the horizontal end of the U-shaped rod 1 connected to the vertical end is positioned in the U-shaped groove 10, realize the reliable positioning of the left and right positions of the U-shaped rod 1; the positioning structure coordinated with the E-shaped plate 9 and the positioning tube fixed on the E-shaped plate 9 is adopted to realize the reliable positioning of the left and right positions of the U-shaped rod 1, thereby ensuring the relative position between the U-shaped rod 1 and each cross bar 2;

[0022] Among them, a side plate 13 flush with the upper edge of the circular frame 3 is fixed on the outer wall of the long side of the circular frame 3, and the end of the cross bar 2 is positioned by the side plate 13, that is, the distance between the two side plates 13 is the same as the length of the cross bar 2, thereby realizing reliable positioning of the position of the cross bar 2 during the pressure welding process, ensuring that the ends of several cross bars 2 are fixed on the same plane.

[0023] When in use, first, the two ends of the twelve cross bars 2 are sequentially installed into the positioning grooves 4 on the two long sides of the return frame 16 and the positioning grooves 4 of the longitudinal positioning plate 6. Under the positioning of the side plates 13 on both sides, the end position and the left and right positions of the cross bars 2 are reliably positioned. Then, the four U-shaped rods 1 are set with their openings facing downward, so that the left vertical section of the U-shaped rod 1 is inserted into the positioning tube 11, and the horizontal end of the U-shaped rod 1 transitionally connected to the left vertical section is located in the U-shaped groove 10 of the E-shaped plate 9, and the upper horizontal section of the U-shaped rod 1 is sequentially adapted to the positioning grooves 7 of multiple horizontal positioning plates 5. At this time, the horizontal section of the U-shaped rod 1 contacts several cross bars 2, completing the rapid positioning of the U-shaped rod 1 and the cross bars 2.

[0024] The technical solution has a simple structure, reasonable design, and low cost, improves the pressure welding accuracy and efficiency of the headlight grille, and can quickly and accurately determine the relative positions of the crossbar and the U-shaped rod without manual measurement, and is particularly suitable for mass production of headlight grilles.

[0025] 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.

[0026] 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. Positioning tool for pressure welding of vehicle light grid, characterized by: The invention comprises a return-shaped frame (3), wherein the return-shaped frame (3) is provided with a longitudinal positioning plate (6) at both ends thereof fixedly connected to the inner walls of the two wide sides thereof and flush with the upper edge of the return-shaped frame (3), wherein the return-shaped frame (3) is provided with a plurality of transverse positioning plates (5) distributed along the length direction thereof and fixedly connected to the inner walls of the long sides thereof, and the plurality of transverse positioning plates (5) are plugged and fixedly connected to the longitudinal positioning plate (6), and the upper ends of the longitudinal positioning plates (6) and the upper ends of the two long sides of the return-shaped frame (3) are provided with a plurality of first positioning grooves (4) corresponding to the positions thereof and used for positioning the transverse bars (2) of the vehicle light grid at a fixed distance, and the transverse positioning plate (5) is provided with second positioning grooves (7) having the same number as the U-shaped bars (1) of the vehicle light grid, and the left ends of the U-shaped bars (1) adapted to be in the second positioning grooves (7) are positioned by means of a U-shaped bar end positioning device fixed to the inner wall of the left end of the return-shaped frame (3); The U-shaped rod end positioning device comprises a fixing plate (8) symmetrically distributed on both sides of the longitudinal positioning plate (6) and fixed on the inner wall of the left end of the return frame (3); the fixing plate (8) adopts a Z-shaped structure in which the plate surface away from one end of the longitudinal positioning plate (6) is higher than the plate surface of the end fixedly connected to the longitudinal positioning plate (6); an E-shaped plate (9) flush with the upper end surface of the transverse positioning plate (5) is fixed on the plate surface of the fixing plate (8) facing the longitudinal positioning plate (6); the U-shaped groove (10) on the E-shaped plate (9) corresponds in position to the second positioning groove (7) on the same side of the transverse positioning plate (5) and is the same in number; a positioning tube (11) is provided below the E-shaped plate (9) on the side corresponding to the upper and lower positions of the U-shaped groove (10), and the positioning tube (11) is fixedly supported on a U-shaped seat (12) on the bottom surface of the E-shaped plate (9).

2. The positioning tool for pressure welding of vehicle light grid according to claim 1, characterized in that: The groove on the U-shaped seat (12) corresponds to the upper and lower positions of the U-shaped groove (10), and the positioning tube (11) located in the groove of the U-shaped seat (12) is fixedly connected to the U-shaped seat (12) with the tube mouth facing upward, the vertical end of the left end of the U-shaped rod (1) is inserted into the positioning tube (11), and the horizontal end of the U-shaped rod (1) connected to the vertical end is positioned in the U-shaped groove (10).

3. The positioning tool for pressure welding of vehicle light grid according to claim 1 or 2, characterized in that: A side plate (13) flush with the upper edge of the return frame (3) is fixed to the outer wall of the long side of the return frame (3), and the end of the cross bar (2) is positioned by the side plate (13).

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