Positioning tool for pressure welding of vehicle light grids

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 with both ends fixedly connected to the inner walls of its two wide sides, and a plurality of transverse positioning plates are provided inside the circular frame distributed along its length direction and fixedly connected to the inner walls of the long sides, and a 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 plates are provided with positioning grooves 2 having the same number as the U-shaped rods of the vehicle light grid, and the U-shaped rods fit into the positioning grooves 2 corresponding to the positions on the plurality of transverse positioning plates, and the left end of the U-shaped rod is positioned by an 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, so as to facilitate mass production.

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 used for pressure welding of vehicle light grids. 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 vehicle light grids is provided, a plurality of positioning grooves are arranged 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, so as to realize the fixed-distance positioning of the cross bars of the vehicle light grid, and a plurality of U-shaped rods are positioned by a plurality of cross positioning plates arranged in the circular frame and an end positioning device arranged on the inner side wall at one end in the width direction of the circular frame, thereby solving the problem of inconvenient and low efficiency in positioning the U-shaped rods and cross bars before pressure welding of the vehicle light grid, improving the pressure welding accuracy and efficiency of the vehicle light grid, and being able to quickly and accurately determine the relative positions of the cross bars and the U-shaped rods without manual measurement, having a simple structure, reasonable design, and low cost, and being 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, 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, 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 U-shaped bars are adapted to fit into the positioning grooves 2 at corresponding positions on a plurality of transverse positioning plates, and the left end of the U-shaped bar is positioned by an end positioning device fixed on the inner wall of the left end of the circular frame.

[0005] The fixing plate has a U-shaped plate on its plate surface facing the longitudinal positioning plate, and a right end thereof is located above the notch and is flush with the upper end surface of the transverse positioning plate. A vertical plate is fixed on the right edge of the bottom surface of the fixing plate away from one end of the longitudinal positioning plate, and the U-shaped grooves on the vertical plate and the U-shaped plate correspond to the left and right positions of the positioning grooves on the same side of the transverse positioning plate. A slot for positioning the left end of the U-shaped rod at the corresponding position is formed between the vertical plate and the notch slot wall, and a positioning tube corresponding to the upper and lower positions of the U-shaped groove and used for inserting and positioning the left end of the U-shaped rod at the corresponding position is provided under the U-shaped plate. The positioning tube is fixedly supported on the U-shaped seat on the bottom surface of the U-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 positions of multiple U-shaped rods by means of multiple horizontal positioning plates arranged in the circular frame and an 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 ends of the U-shaped rods, solves the problem of inconvenient and low efficiency positioning of the U-shaped rods and horizontal rods before pressure welding of the lamp grid, and ensures the spacing size and end position between each U-shaped rod;

[0011] 3. This technical solution adopts a positioning structure formed by a U-shaped plate and a positioning tube fixed on the U-shaped plate, and a slot structure formed by a vertical plate and a notch, so as to realize reliable positioning of the left and right positions of the U-shaped rods, thereby ensuring the relative positions of the ends of each U-shaped rod;

[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 1 Middle 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] The positioning tool for pressure welding of the vehicle light grid comprises a return frame 16, wherein the return frame 16 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 frame 16, wherein the return frame 16 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 plugged and fixedly connected to the longitudinal positioning plate 6, and the upper end of the longitudinal positioning plate 6 and the upper ends of the two long sides of the return frame 16 are provided with a plurality of positioning grooves 4 corresponding to the positions and used for positioning the transverse bar 2 of the vehicle light grid at a fixed distance, and the transverse positioning plate 5 is provided with the same number of positioning grooves 7 as the U-shaped rod 1 of the vehicle light grid, and the U-shaped rod 1 is adapted to fit in the positioning grooves 7 at the corresponding positions on a plurality of transverse positioning plates 5, and the left side of the U-shaped rod 1 The end is positioned by an end positioning device fixed on the inner wall of the left end of the circular frame 16; in the above structure, a plurality of positioning grooves 4 are arranged through the upper ends of the two long sides of the circular frame 16 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 vehicle light grid, and the plurality of U-shaped rods 1 are positioned by a plurality of horizontal positioning plates 5 arranged in the circular frame 16 and an end positioning device arranged on the inner wall at one end in the width direction of the circular frame 16, 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 vehicle light grid, improve the pressure welding accuracy and efficiency of the vehicle light grid, and can quickly and accurately determine the relative positions of the cross bar 2 and the U-shaped rod 1 without manual measurement, so as to have a simple structure, reasonable design and low cost, and is particularly suitable for mass production of vehicle light grids.

[0020] like Figure 1-2As shown, the specific structure of the end positioning device is as follows: the 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 16, the fixed plate 8 adopts a Z-shaped structure in which the plate surface away from the end of the longitudinal positioning plate 6 is higher than the end plate surface fixedly connected to the longitudinal positioning plate 6, and a notch 14 is formed on the left end surface of the fixed plate 8 close to the end of the longitudinal positioning plate 6, a U-shaped plate 9 whose right end is located above the notch 14 and flush with the upper end surface of the horizontal positioning plate 5 is fixed on the plate surface of the fixed plate 8 facing the longitudinal positioning plate 6, a vertical plate 15 is fixed on the right edge of the bottom surface of the fixed plate 8 away from the end of the longitudinal positioning plate 6, and the U-shaped grooves 10 on the vertical plate 15 and the U-shaped plate 9 correspond to the left and right positions of the positioning grooves 7 on the same side of the horizontal positioning plate 5, and the vertical plate 15 and the notch 14 are fixed on the plate surface of the fixed plate 8 facing the longitudinal positioning plate 6. A slot is formed between the groove walls for positioning the left end of the U-shaped rod 1 at the corresponding position, and a positioning tube 11 is provided below the U-shaped plate 9, which corresponds to the upper and lower positions of the U-shaped groove 10 and is used to insert and position the left end of the U-shaped rod 1 at the corresponding position, and the positioning tube 11 is fixedly supported on the U-shaped seat 12 on the bottom surface of the U-shaped plate 9; wherein, the left outer wall of the vertical plate 15 and the rightmost tangent of the inner hole of the positioning tube 11 are located on the same plane, and this constraint can ensure that the left end of each U-shaped rod 1 is level, so that it meets the design requirements after pressure welding; wherein, the setting of the notch 14 facilitates the left movement of the vertical plate 15 and forms a slot with the groove wall of the notch 14 for facilitating the insertion of the vertical section of the left end of the U-shaped rod 1, wherein the edge of the bent portion of the fixed plate 8 in the notch 14 is on the same plane as the outer groove wall of the outermost positioning groove 7.

[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 1 As shown, the positioning grooves 7 on the multiple 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 16 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 horizontal end of the U-shaped rod 1 connected to the vertical end is adapted to the structure in the U-shaped groove 10 at the corresponding position, and the plug-in structure of the left end vertical section of other U-shaped rods 1 in the slot between the vertical plate 15 and the notch 14, realize the reliable positioning of the left and right positions of multiple U-shaped rods 1; the positioning structure of the U-shaped plate 9 and the positioning tube fixed on the U-shaped plate 9 and the setting of the slot are 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 return frame 16 is fixed on the outer wall of the long side of the return frame 16, 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 using, Figure 1-2 As shown, first, the two ends of the twelve cross bars 2 are sequentially installed into the positioning grooves 14 on the two long sides of the return frame 16 and the positioning grooves 14 of the longitudinal positioning plate 6, and under the positioning of the side plates 13 on both sides, the end positions and left and right positions of the cross bars 2 are reliably positioned, and then the two U-shaped rods 1 are opened 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 U-shaped plate 9, and the upper horizontal section of the U-shaped rod 1 is sequentially adapted to the positioning grooves 27 of multiple horizontal positioning plates 5, and then the outer U-shaped rod 1 is adapted to the positioning grooves 27 of the three horizontal positioning plates 5, and the left end of the outer U-shaped rod 1 is inserted into the slot formed by the vertical plate 15 and the notch 14. 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 (16), wherein the return-shaped frame (16) 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 (16), wherein the return-shaped frame (16) 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), the upper ends of the longitudinal positioning plates (6) and the upper ends of the two long sides of the return-shaped frame (16) are both 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, the transverse positioning plate (5) is provided with the same number of second positioning grooves (7) as the number of U-shaped bars (1) of the vehicle light grid, and the U-shaped bars (1) are adapted to fit into the second positioning grooves (7) at corresponding positions on the plurality of transverse positioning plates (5), and the left end of the U-shaped bar (1) is positioned by an end positioning device fixed to the inner wall of the left end of the return-shaped frame (16); The 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 (16); the fixing plate (8) adopts a Z-shaped structure in which the plate surface of the end away from the longitudinal positioning plate (6) is higher than the plate surface of the end fixedly connected to the longitudinal positioning plate (6); a notch (14) is formed on the left end surface of the fixing plate (8) close to the longitudinal positioning plate (6); a U-shaped plate (9) is fixed on the plate surface of the fixing plate (8) facing the longitudinal positioning plate (6) and the right end is located above the notch (14) and is flush with the upper end surface of the transverse positioning plate (5); the fixing plate (8) is away from the longitudinal positioning plate (6) and the end surface of the transverse positioning plate (5) is flush with the upper end surface of the transverse positioning plate (5); A vertical plate (15) is fixed at the right edge of the bottom surface of the end, and the vertical plate (15) and the U-shaped groove (10) on the U-shaped plate (9) correspond to the left and right positions of the second positioning groove (7) on the same side of the horizontal positioning plate (5). A slot for positioning the left end of the U-shaped rod (1) at the corresponding position is formed between the vertical plate (15) and the groove wall of the notch (14). A positioning tube (11) corresponding to the upper and lower positions of the U-shaped groove (10) and used for inserting and positioning the left end of the U-shaped rod (1) at the corresponding position is provided below the U-shaped plate (9). The positioning tube (11) is fixedly supported on a U-shaped seat (12) on the bottom surface of the U-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 (16) is fixed to the outer wall of the long side of the return frame (16), and the end of the cross bar (2) is positioned by the side plate (13).

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