Bumper energy absorption box welding quick change positioning device

Abstract

The utility model provides a kind of bumper energy-absorbing box welding quick-change positioning device, belong to the technical field of automobile bumper processing, it includes: U-shaped bottom plate, both sides of U-shaped bottom plate are equipped with a fixed frame respectively;The top of fixed frame is equipped with top pulley, and the plane where U-shaped bottom plate is parallel, the side pulley of two fixed frames opposite side is equipped with pivot and the plane where U-shaped bottom plate is vertical;The middle part of U-shaped bottom plate is equipped with two positioning frames, and the side of each positioning frame is equipped with positioning block, and V-shaped positioning slot is equipped on positioning block.The utility model is matched with quick-change positioning device to existing bumper energy-absorbing box welding fixture replacement, greatly improves the efficiency of changing type, effectively improves production efficiency, improves product quality simultaneously, reduces manufacturing cost, guarantees the consistency of welding, ensures product quality.

Description

Technical Field

[0001] This utility model relates to the field of automotive bumper processing technology, specifically to a quick-change positioning device for welding energy-absorbing boxes for bumpers. Background Technology

[0002] The energy-absorbing box is a crucial component of a car's bumper system. Its structure works in conjunction with the front crossbeam of the bumper to absorb and disperse energy during a collision, acting as a buffer and absorber of the impact force to reduce its impact impact. The energy-absorbing box is welded to both ends of the so-called bumper crossbeam and then bolted to the car's longitudinal beams. It has low compressive strength and numerous pre-designed folds to enhance its crumple zone during frontal collisions. It efficiently and controllably absorbs energy during collisions (especially low-speed collisions), maximizing occupant safety, minimizing damage to core components, and significantly improving vehicle repair economy. Its guide groove design and replaceable features are key to its efficient energy absorption and ease of maintenance. It is an indispensable and important component of modern automotive safety structures.

[0003] The energy-absorbing box consists of symmetrical left and right parts, each made from two stamped U-shaped parts: an upper top plate and a lower bottom plate. These are formed by welding and then welded to the bumper body. The traditional welding process for the two U-shaped parts requires placing a fixture with a base frame into the welding workstation for positioning, fixing, and then debugging the program and robot. This results in long changeover times, potential welding position deviations, and an inability to effectively guarantee product quality, leading to defective products and rework, thus increasing production costs. Furthermore, due to product diversity, a single welding workstation needs to process multiple products, resulting in frequent changeovers and low efficiency. Utility Model Content

[0004] The purpose of this utility model is to provide a quick-change positioning device for welding bumper energy-absorbing boxes. This effective quick-change positioning device reduces changeover time, ensures accurate positioning, reduces equipment debugging, improves changeover efficiency, reduces defective products, and lowers production costs, thereby solving at least one of the technical problems existing in the background art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] This utility model provides a U-shaped base plate; a fixing frame is provided on each of the two sides of the U-shaped base plate; the top of the fixing frame is provided with a top pulley with a rotating shaft parallel to the plane of the U-shaped base plate, and the opposite side of the two fixing frames is provided with a side pulley with a rotating shaft perpendicular to the plane of the U-shaped base plate; two positioning frames are provided in the middle of the U-shaped base plate, and a positioning block is provided on one side of each positioning frame, and a V-shaped positioning groove is provided on the positioning block.

[0007] Furthermore, the fixing frame includes two support beams whose bottom ends are connected to the U-shaped base plate, and a crossbeam is connected between the tops of the two support beams.

[0008] Furthermore, a side pulley mounting bracket is connected to the side of the support beam, and the side pulley is mounted on the side pulley mounting bracket.

[0009] Furthermore, top pulley mounting brackets are installed at both ends of the top of the crossbeam, and the top pulleys are mounted on the top pulley mounting brackets.

[0010] Furthermore, a cylinder is provided on the crossbeam, and a positioning pin is connected to the telescopic end of the cylinder.

[0011] Furthermore, a connecting plate is connected to the bottom end of the support beam, and the connecting plate is connected to the U-shaped base plate.

[0012] Furthermore, the U-shaped base plate includes a horizontal plate, and vertical plates are respectively connected to both ends of the horizontal plate. The two vertical plates and the horizontal plate constitute the U-shaped base plate.

[0013] Furthermore, the connecting plate is connected to the longitudinal plate.

[0014] Furthermore, the two positioning brackets are connected to the cross plate.

[0015] Furthermore, fixing plates are welded to the edges of the horizontal plate and the vertical plate, and the fixing plates are fixed to the ground by bolts.

[0016] The beneficial effects of this utility model are as follows: the quick-change positioning device is used to replace the existing bumper energy-absorbing box welding fixture, which greatly improves the changeover efficiency, effectively improves production efficiency, improves product quality, reduces manufacturing costs, ensures welding consistency, and guarantees product quality.

[0017] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and will become apparent from the description or may be learned by practice of the invention. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a top view of the quick-change positioning device for welding the bumper energy-absorbing box according to an embodiment of the present invention.

[0020] Figure 2 This is a front view structural diagram of the quick-change positioning device for welding the bumper energy-absorbing box according to an embodiment of this utility model.

[0021] Figure 3 This is a three-dimensional structural diagram of the quick-change positioning device for welding the bumper energy-absorbing box according to an embodiment of the present invention, in use.

[0022] Figure 4 This is a side view of the bumper energy-absorbing box welding quick-change positioning device in use according to an embodiment of the present utility model.

[0023] The components are as follows: 1. U-shaped base plate; 2. Fixing plate; 3. Connecting plate; 4. Positioning frame; 5. Positioning block; 6. Side pulley; 7. Top pulley; 8. Cylinder fixing block; 9. Fixing frame; 10. Cylinder; 11. Positioning pin; 12. Fastening sleeve; 13. Pulley shaft; 15. Base frame; 16. Upper sliding plate; 17. Side sliding plate; 18. V-shaped positioning block; 19. Positioning sleeve; 20. Support beam; 21. Crossbeam; 22. Side pulley mounting frame; 23. Top pulley mounting frame; 24. Bottom beam. Detailed Implementation

[0024] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0025] It will be understood by those skilled in the art that, unless otherwise defined, all terms used herein (including technical and scientific terms) have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains.

[0026] It should also be understood that terms such as those defined in general dictionaries should be understood to have meanings consistent with their meanings in the context of the prior art, and should not be interpreted in an idealized or overly formal sense unless defined as here.

[0027] Those skilled in the art will understand that, unless specifically stated otherwise, the singular forms “a,” “an,” “the,” and “the” used herein may also include the plural forms. It should be further understood that the word “comprising” as used in this specification means the presence of the stated features, integers, steps, operations, elements, and / or components, but does not exclude the presence or addition of one or more other features, integers, steps, operations, elements, and / or groups thereof.

[0028] In the description of this specification, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. Furthermore, the described specific features, structures, materials, or characteristics may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of those different embodiments or examples.

[0029] In the description of this specification, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0030] In the description of this specification, the terms “center,” “upper,” “lower,” “front,” “rear,” “left,” “right,” “vertical,” “horizontal,” “top,” “bottom,” “inner,” and “outer,” etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this technology and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this technology.

[0031] Unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection or setting, a detachable connection or setting, or an integral connection or setting. Those skilled in the art can understand the specific meaning of these terms in this art according to the specific circumstances.

[0032] To facilitate understanding of this utility model, the present utility model will be further explained and described below with reference to the accompanying drawings and specific embodiments. The specific embodiments do not constitute a limitation on the embodiments of this utility model.

[0033] Those skilled in the art should understand that the accompanying drawings are merely schematic diagrams of embodiments, and the components in the drawings are not necessarily essential for implementing this utility model.

[0034] like Figures 1 to 4As shown, this embodiment provides a quick-change positioning device for welding a bumper energy-absorbing box, comprising: a U-shaped base plate 1; a fixing frame 9 is provided on each of the two sides of the U-shaped base plate 1; a top pulley 7 with a rotating shaft parallel to the plane of the U-shaped base plate 1 is provided on the top of the fixing frame 9, and a side pulley 6 with a rotating shaft perpendicular to the plane of the U-shaped base plate 1 is provided on the opposite side of the two fixing frames 9; two positioning frames 4 are provided in the middle of the U-shaped base plate 1, and a positioning block 5 is provided on one side of each positioning frame 4, with a V-shaped positioning groove on the positioning block 5. The fixing frame 9 includes two support beams 20 with their bottom ends connected to the U-shaped base plate 1, and a crossbeam 21 connecting the tops of the two support beams 20. A side pulley mounting frame 22 is connected to the side of the support beam 20, and the side pulley 6 is mounted on the side pulley mounting frame 22. Top pulley mounting frames 23 are installed at both ends of the top of the crossbeam 21, and the top pulley 7 is mounted on the top pulley mounting frame 23. Both the side pulley mounting bracket 22 and the top pulley mounting bracket 23 are equipped with pulley shafts 13, and the top pulley and the side pulley are respectively mounted on their respective pulley shafts 13. A cylinder 10 is mounted on the crossbeam 21, and a positioning pin 11 is connected to the telescopic end of the cylinder 10. Specifically, a cylinder fixing block 8 is provided in the middle of the crossbeam 21, and a through hole is provided in the middle of the cylinder fixing block 8 for the cylinder 10 to extend and retract. The cylinder 10 can be fixed to the cylinder fixing block 8 by connecting bolts.

[0035] In one specific embodiment, a connecting plate 3 is connected to the bottom end of the support beam 20. The connecting plate 3 can be connected to the U-shaped base plate 1 by welding or bolting. To ensure greater stability of the device, a bottom beam 24 can also be connected between the bottom ends of the two support beams 20.

[0036] In one specific embodiment, the U-shaped base plate 1 may include a horizontal plate and vertical plates perpendicularly connected to both ends of the horizontal plate, with the two vertical plates and the horizontal plate forming the U-shaped base plate 1. The connecting plate 3 is connected to the vertical plate. The two positioning brackets 4 are connected to the horizontal plate. Fixing plates 2 are welded to the edges of the horizontal plate and the edges of the vertical plates, and the fixing plates 2 are fixed to the ground by bolts.

[0037] In this embodiment, there are two fixing frames 9, each mounted on a vertical plate. Each fixing frame 9 includes two support beams and one crossbeam. Each support beam has a side pulley at its top, for a total of four side pulleys. Each crossbeam has a top pulley at both ends, for a total of four top pulleys. The base frame 15, which carries the welding fixture, is equipped with two positioning sleeves 19. When changing product types, the base frame 15 is pushed into the quick-change positioning device (between the two vertical plates). It slides into the quick-change positioning device through the cooperation of the top slide plate 16 and the side slide plate 17 with the top pulley 7 and the side pulley 6. The V-shaped positioning groove on the positioning block 5 fits with the V-shaped positioning block 18 on the base frame 15. Further, the cylinder 10 is activated, causing the positioning pin 11 to extend into the positioning sleeve 19 for clearance fit. Then, the corresponding pneumatic device on the fixture is connected to complete the product change. Further, by selecting the appropriate program, the welding robot can be used to start the welding process. The V-shaped positioning groove on the positioning block 5 fits snugly with the V-shaped positioning block 18, and the positioning pin 11 and the positioning sleeve 19 are fitted with a clearance, which further improves the stability and consistency of positioning, greatly improves the changeover efficiency, and reduces the generation of defective parts.

[0038] In summary, the quick-change positioning device for bumper energy-absorbing box welding described in this embodiment allows for product changeovers. During product changeover, the base frame is pushed into the quick-change positioning device, and the top and side sliding plates, in conjunction with the top and side pulleys, slide into the device, aligning the positioning block with the V-shaped positioning block on the base frame. Then, the cylinder is activated, causing the positioning pin to extend into the positioning sleeve for clearance engagement. The corresponding pneumatic device on the fixture is then connected, completing the changeover. After selecting the appropriate program, a welding robot can begin welding. This device, combined with existing bumper energy-absorbing box welding fixture replacement, significantly improves changeover efficiency, effectively increases production efficiency, enhances product quality, reduces manufacturing costs, ensures welding consistency, and guarantees product quality.

[0039] Although the specific embodiments of the present utility model have been described above in conjunction with the accompanying drawings, this is not intended to limit the scope of protection of the present utility model. Those skilled in the art should understand that, based on the technical solutions disclosed in the present utility model, all modifications or variations that can be made by those skilled in the art without creative effort should be included within the scope of protection of the present utility model.

Claims

1. A bumper energy absorption box welding quick-change positioning device, characterized in that, include: U-shaped base plate (1); a fixing frame (9) is provided on each side of the U-shaped base plate (1); the top of the fixing frame (9) is provided with a top pulley (7) with a rotating shaft parallel to the plane of the U-shaped base plate (1), and the two fixing frames (9) are provided with side pulleys (6) with a rotating shaft perpendicular to the plane of the U-shaped base plate (1) on opposite sides; two positioning frames (4) are provided in the middle of the U-shaped base plate (1), and each positioning frame (4) is provided with a positioning block (5) on one side, and a V-shaped positioning groove is provided on the positioning block (5).

2. The bumper energy management box weld quick change positioning device of claim 1, wherein, The fixing frame (9) includes two support beams (20) with their bottom ends connected to the U-shaped base plate (1), and a crossbeam (21) is connected between the tops of the two support beams (20).

3. The bumper energy management box weld quick change positioning device of claim 2, wherein, The side of the support beam (20) is connected to a side pulley mounting bracket (22), and the side pulley (6) is mounted on the side pulley mounting bracket (22).

4. The bumper energy management box weld fixture quick change positioning device of claim 2, wherein, The top two ends of the crossbeam (21) are equipped with top pulley mounting brackets (23), and the top pulleys (7) are mounted on the top pulley mounting brackets (23).

5. The bumper energy management box weld fixture quick change positioning device of claim 2, wherein, A cylinder (10) is provided on the crossbeam (21), and a positioning pin (11) is connected to the telescopic end of the cylinder (10).

6. The bumper energy management beam weld-in-place exchange positioning device of claim 2, wherein, The bottom end of the support beam (20) is connected to a connecting plate (3), which is connected to the U-shaped base plate (1).

7. The bumper energy management box weld fixture quick change positioning device of any of claims 2-6, wherein, The U-shaped base plate (1) includes a horizontal plate, and vertical plates are respectively connected to both ends of the horizontal plate. The two vertical plates and the horizontal plate constitute the U-shaped base plate (1).

8. The bumper energy management box weld quick change positioning device of claim 7, wherein, The connecting plate (3) is connected to the longitudinal plate.

9. The bumper energy management box weld fixture quick change positioning device of claim 7, wherein, The two positioning frames (4) are connected to the horizontal plate.

10. The bumper energy management box weld fixture quick change positioning device of claim 7, wherein, The edges of the horizontal plate and the edges of the vertical plate are both welded to fixing plates (2), which are fixed to the ground by bolts.

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