Intelligent series bulk vehicle rear bumper anti-deformation tooling and usage method

Abstract

The invention discloses an intelligent series of bulk vehicle rear bumper anti-deformation tooling and a use method, belonging to the field of automobile parts processing, comprising a rear bumper, a bending molded part and a pressing part, the rear bumper comprising an upper rail and a lower rail assembly, the pressing part is installed on the bending molded part, the bending molded part is provided with a molding groove, and the molding groove is suitable for fitting the rear bumper; the invention solves the problem of reducing the influence of bending caused by thermal strain and increasing the qualified rate of rear bumper products.

Description

Technical Field

[0001] The present invention belongs to the field of automobile parts processing, and specifically relates to an intelligent series of bulk vehicle rear bumper anti-deformation tooling and a use method thereof. Background Art

[0002] The bumpers installed at the front and rear ends of cars not only have decorative functions, but more importantly, they are safety devices that absorb and mitigate external impacts, protect the car body and the safety of passengers. With the development of the automobile industry and the extensive application of engineering plastics in the automobile industry, automobile bumpers, as an important safety device, have also taken the road of innovation. At present, in addition to maintaining the original protective function, the front and rear bumpers of cars also pursue harmony and unity with the body shape and pursue their own lightweight.

[0003] At present, in the production process of the existing bumper support ribs on the market, the processing of the rear bumper requires local welding, and the local heating and cooling of the weldment causes thermal strain near the molten filler metal and the parent material. This thermal strain will produce shrinkage stress when the weld is cooled, thereby causing the weldment to bend, twist or torsion. The homemade tooling of the prior art cannot reduce the amount of bending deformation generated during the welding process, the product qualification rate is low, the workload of employees is heavy, the work efficiency is low, and the expected product requirements cannot be met. Summary of the invention

[0004] The technical problem to be solved by the present invention is to reduce the influence of bending caused by thermal strain and increase the qualified rate of rear bumper products.

[0005] In order to solve the above technical problems, the inventors have obtained the technical solution of the present invention through practice and summary. The present invention discloses an intelligent series of bulk truck rear bumper anti-deformation tooling, including a rear bumper, a bent molded part and a clamping part. The rear bumper includes an upper railing and a lower railing assembly. The clamping part is installed on the bent molded part. A molding groove is provided in the bent molded part, and the molding groove is suitable for fitting the rear bumper.

[0006] Furthermore, the bending forming part includes an anti-deformation upper plate, a forming base and an elastic telescopic part, the elastic telescopic part includes a telescopic end and a fixed end, the anti-deformation upper plate is fixedly connected to the telescopic end, the forming base is fixedly connected to the fixed end, the clamping part is installed on the anti-deformation upper plate, and the elastic telescopic part is suitable for the anti-deformation upper plate to move up and down relative to the forming base.

[0007] Furthermore, the clamping member includes a bracket, a pressure block and a rotating rod, the bracket is "N"-shaped, the bracket includes a horizontal side portion and a vertical side portion, the bottom end of the vertical side portion is provided with a first threaded hole, mounting holes are provided on both sides of the anti-deformation upper plate, the mounting holes are blind holes, the mounting holes match the first threaded holes, the horizontal side portion is provided with a second threaded hole, the rotating rod is threadedly connected to the second threaded hole, and the bottom end of the rotating rod is suitable for extruding the pressure block.

[0008] Furthermore, the clamping members are provided in multiple groups, the number of which is 2 to 4 groups; the mounting holes are provided in multiple groups, the number of which is 4 to 20 groups, and the rotating rod is "T"-shaped.

[0009] Further, the molding groove is located on the anti-deformation upper plate, the molding groove includes a first mounting groove, a second mounting groove is provided on the molding base, the inner side of the second mounting groove is fixedly connected to the bottom end of the elastic telescopic member, and the first mounting groove is adapted to the shape of the rear bumper;

[0010] The elastic telescopic member includes an outer cylinder and an inner rod. The outer cylinder is fixedly connected to the inner wall of the second mounting groove. The inner rod slides in the outer cylinder. A spring is installed in the outer cylinder. One end of the spring is fixedly connected to the bottom end of the inner wall of the outer cylinder. The other end of the spring is fixedly connected to the bottom end of the inner rod. The other end of the inner rod is fixedly connected to the anti-deformation upper plate.

[0011] Further, the lower railing assembly includes a crossbeam 1, a horizontal plate and a marking frame are installed on the side of the crossbeam 1, the horizontal plate is suitable for detecting the horizontality of the crossbeam 1, a vertical support plate is installed on the crossbeam 1, the angle between the vertical support plate and the crossbeam 1 is a right angle, the vertical support plate is suitable for connecting the crossbeam 1 and the upper railing, and the vertical support plate is suitable for detecting the verticality of the crossbeam 1;

[0012] The upper railing includes a second crossbeam, on which a reinforcing rib is installed, and the reinforcing rib is connected to the second crossbeam. A license plate frame is also connected between the upper railing and lower railing assemblies, and the two ends of the license plate frame are respectively fixedly connected to the upper railing and lower railing assemblies.

[0013] Furthermore, the anti-deformation upper plate is an arc-shaped plate with low ends and a high middle. The first installation groove includes an upper area and a lower area. A limiting groove is arranged on the upper area. A limiting column is installed on the forming base. A positioning hole is opened on the horizontal plate. The limiting column is suitable for connecting the horizontal plate. The limiting groove is suitable for installing the upper railing and the lower railing assembly.

[0014] Furthermore, a partition plate is installed in the first installation groove, and the partition plate is detachably connected to the first installation groove. A transition groove is opened on the partition plate, and the transition groove is suitable for fitting with the corresponding vertical support plate.

[0015] Furthermore, the anti-deformation upper plate and the forming base are both provided with mounting plates, the mounting plates are both provided with locking holes, and the anti-deformation upper plate is suitable for being connected to the forming base through the locking holes.

[0016] The method of using the intelligent series bulk vehicle rear bumper anti-deformation tooling includes the following steps:

[0017] Step 1: Disassemble and assemble the anti-deformation upper plate and the forming base, loosen the rotating rod, check the reset and telescopic limit of the elastic telescopic parts, and repair them in time if any problems occur;

[0018] Step 2: According to the designed position, adjust the height of the elastic telescopic member and place a spacer between the anti-deformation upper plate and the forming base;

[0019] Step 3: Install the horizontal plate and the identification frame on the first beam, weld the vertical support plate on the first beam, and complete the installation of the lower railing assembly;

[0020] Step 4: Place the lower railing assembly on the forming base, position it through the limit column, extrude the anti-deformation upper plate through the rotating rod extrusion block, and let it stand for the designed time;

[0021] Step 5: Loosen the rod to be rotated, take out the lower railing assembly from the forming base, and weld the upper railing. After welding, take out the partition plate in the first installation groove, place the rear bumper in the first installation groove again, and re-tighten the rotating rod to complete the anti-deformation treatment of the rear bumper.

[0022] Step 6: Install the anti-deformation upper plate and the formed base with threads, lock the rotating rod against the pressure block, and complete the anti-deformation treatment of the rear bumper.

[0023] Compared with the prior art, the present invention can achieve the following technical effects:

[0024] The present invention locally heats the weldment, so that the molten filler metal and the vicinity of the base material generate thermal strain and shrinkage stress, thereby causing the weldment to bend, twist or torsion; an anti-deformation upper plate is used to extrude the rear bumper, and a reasonable first installation groove is designed to match the rear bumper with the first installation groove; an elastic telescopic part is designed to facilitate installation and can be closed after installation, thereby protecting the first installation groove and the elastic telescopic part from external damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0026] Figure 1 is a structural diagram of the device of the present invention;

[0027] Figure 2 It is a structural diagram of the molding base of the present invention;

[0028] Figure 3 It is the elastic expansion and contraction member of the present invention;

[0029] Figure 4 is a structural diagram of a rear bumper of the present invention;

[0030] Figure 5 It is a top view of the molding base of the present invention.

[0031] In the figure: 1. rear bumper; 2. anti-deformation upper plate; 3. molded base; 4. elastic telescopic member; 5. bracket; 6. pressure block; 7. rotating rod; 8. mounting hole; 9. first mounting slot; 10. second mounting slot; 11. outer cylinder; 12. inner rod; 13. spring; 14. beam one; 15. horizontal plate; 16. logo frame; 17. vertical support plate; 18. beam two; 19. reinforcing rib; 20. license plate frame; 21. limit slot; 22. limit column; 23. partition plate; 24. mounting plate. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0033] The application principle of the present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0034] Example 1

[0035] like Figures 1 to 5 As shown: the intelligent series bulk vehicle rear bumper anti-deformation tooling includes a rear bumper 1, a bending part and a clamping part. The rear bumper 1 includes an upper rail and a lower rail assembly. The clamping part is installed on the bending part. A molding groove is provided in the bending part, and the molding groove is suitable for fitting the rear bumper 1.

[0036] The bending forming part includes an anti-deformation upper plate 2, a forming base 3 and an elastic telescopic part 4. The elastic telescopic part 4 includes a telescopic end and a fixed end. The anti-deformation upper plate 2 is fixedly connected to the telescopic end, the forming base 3 is fixedly connected to the fixed end, the clamping part is installed on the anti-deformation upper plate 2, and the elastic telescopic part 4 is suitable for the anti-deformation upper plate 2 to move up and down relative to the forming base 3.

[0037] The clamping member includes a bracket 5, a pressure block 6 and a rotating rod 7. The bracket 5 is "N"-shaped. The bracket 5 includes a horizontal side portion and a vertical side portion. A first threaded hole is opened at the bottom end of the vertical side portion. Mounting holes 8 are opened on both sides of the anti-deformation upper plate 2. The mounting holes 8 are blind holes. The mounting holes 8 match the first threaded holes. A second threaded hole is opened on the horizontal side portion. The rotating rod 7 is threadedly connected to the second threaded hole. The bottom end of the rotating rod 7 is suitable for extruding the pressure block 6.

[0038] There are multiple groups of clamping members, the number of which is 2; there are multiple groups of mounting holes 8, the number of which is 12, and the rotating rod 7 is in a "T" shape.

[0039] The forming groove is located on the anti-deformation upper plate 2, and the forming groove includes a first mounting groove 9. The forming base 3 is provided with a second mounting groove 10. The inner side of the second mounting groove 10 is fixedly connected to the bottom end of the elastic telescopic member 4. The first mounting groove 9 is adapted to the shape of the rear bumper 1.

[0040] The elastic telescopic member 4 includes an outer cylinder 11 and an inner rod 12. The outer cylinder 11 is fixedly connected to the inner wall of the second mounting groove 10. The inner rod 12 slides in the outer cylinder 11. A spring 13 is installed in the outer cylinder 11. One end of the spring 13 is fixedly connected to the bottom end of the inner wall of the outer cylinder 11, and the other end of the spring 13 is fixedly connected to the bottom end of the inner rod 12. The other end of the inner rod 12 is fixedly connected to the anti-deformation upper plate 2.

[0041] The lower railing assembly includes a crossbeam 14, a horizontal plate 15 and an identification frame 16 are installed on the side of the crossbeam 14, the horizontal plate 15 is suitable for detecting the horizontality of the crossbeam 14, a vertical support plate 17 is installed on the crossbeam 14, the included angle between the vertical support plate 17 and the crossbeam 14 is a right angle, the vertical support plate 17 is suitable for connecting the crossbeam 14 and the upper railing, and the vertical support plate 17 is suitable for detecting the verticality of the crossbeam 14;

[0042] The upper railing includes a second crossbeam 18, on which a reinforcing rib 19 is installed, and the reinforcing rib 19 is connected to the second crossbeam 18. A license plate frame 20 is also connected between the upper railing and lower railing assemblies, and both ends of the license plate frame 20 are fixedly connected to the upper railing and lower railing assemblies respectively.

[0043] The anti-deformation upper plate 2 is an arc-shaped plate with low ends and a high middle. The first installation groove 9 includes an upper area and a lower area. A limiting groove 21 is arranged on the upper area. A limiting column 22 is installed on the forming base 3. A positioning hole is opened on the horizontal plate 15. The limiting column 22 is suitable for connecting the horizontal plate 15. The limiting groove 21 is suitable for installing the upper railing and the lower railing assembly.

[0044] A partition plate 23 is installed in the first installation groove 9 . The partition plate 23 is detachably connected to the first installation groove 9 . A transition groove is provided on the partition plate 23 . The transition groove is suitable for fitting the corresponding vertical support plate 17 .

[0045] The anti-deformation upper plate 2 and the forming base 3 are both provided with mounting plates 24 , and locking holes are provided on the mounting plates 24 . The anti-deformation upper plate 2 is suitable for being connected to the forming base 3 through the locking holes.

[0046] The method of using the intelligent series bulk vehicle rear bumper anti-deformation tooling includes the following steps:

[0047] Step 1: disassemble and assemble the anti-deformation upper plate 2 and the forming base 3, loosen the rotating rod 7, check the reset and telescopic limit of the elastic telescopic member 4, and repair it in time if there is any problem;

[0048] Step 2: According to the design position, adjust the height of the elastic telescopic member 4 and place a spacer between the anti-deformation upper plate 2 and the forming base 3;

[0049] Step 3: Install the horizontal plate 15 and the identification frame 165 on the crossbeam 14, and weld the vertical support plate 17 to the crossbeam 14 to complete the installation of the lower railing assembly;

[0050] Step 4: Place the lower railing assembly on the forming base 3, position it through the limit column 22, squeeze the anti-deformation upper plate 2 through the pressing block 6 through the rotating rod 7 to complete the extrusion, and let it stand for the designed time;

[0051] Step 5, loosen the rotating rod 7, take out the lower railing assembly from the forming base 3, and weld the upper railing. After welding, take out the partition plate 23 in the first installation groove 9, place the rear bumper 1 in the first installation groove 9 again, and re-tighten the rotating rod 7 to complete the anti-deformation treatment of the rear bumper 1;

[0052] Step 6: Thread the anti-deformation upper plate 2 and the forming base 3, lock the rotating rod 7 to abut against the pressing block 6, and complete the anti-deformation treatment of the rear bumper 1.

[0053] It will be apparent 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 considered exemplary and non-restrictive in all respects, 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.

[0054] 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. An intelligent series of bulk truck rear bumper anti-deformation tooling, comprising a rear bumper (1), characterized in that: It also includes a bent forming part and a pressing part, the rear bumper (1) includes an upper rail and a lower rail assembly, the pressing part is installed on the bent forming part, and a forming groove is provided in the bent forming part, and the forming groove is suitable for fitting the rear bumper (1); The bending forming part comprises an anti-deformation upper plate (2), a forming base (3) and an elastic telescopic part (4), wherein the elastic telescopic part (4) comprises a telescopic end and a fixed end, the anti-deformation upper plate (2) is fixedly connected to the telescopic end, the forming base (3) is fixedly connected to the fixed end, the pressing part is mounted on the anti-deformation upper plate (2), and the elastic telescopic part (4) is used for the anti-deformation upper plate (2) to move up and down relative to the forming base (3); The clamping member comprises a bracket (5), a pressing block (6) and a rotating rod (7); the bracket (5) is in an "N" shape, and comprises a horizontal side portion and a vertical side portion; a first threaded hole is provided at the bottom end of the vertical side portion; mounting holes (8) are provided on both sides of the anti-deformation upper plate (2); the mounting holes (8) are blind holes, and the mounting holes (8) match the first threaded holes; a second threaded hole is provided on the horizontal side portion; the rotating rod (7) is threadedly connected to the second threaded hole; and the bottom end of the rotating rod (7) is suitable for squeezing the pressing block (6); The molding groove is located on the anti-deformation upper plate (2), and the molding groove includes a first mounting groove (9). The molding base (3) is provided with a second mounting groove (10). The inner side of the second mounting groove (10) is fixedly connected to the bottom end of the elastic telescopic member (4), and the first mounting groove (9) is adapted to the shape of the rear bumper (1); The elastic telescopic member (4) comprises an outer cylinder (11) and an inner rod (12); the outer cylinder (11) is fixedly connected to the inner wall of the second mounting groove (10); the inner rod (12) slides in the outer cylinder (11); a spring (13) is installed in the outer cylinder (11); one end of the spring (13) is fixedly connected to the bottom end of the inner wall of the outer cylinder (11); the other end of the spring (13) is fixedly connected to the bottom end of the inner rod (12); and the other end of the inner rod (12) is fixedly connected to the anti-deformation upper plate (2); The lower railing assembly comprises a crossbeam (14), a horizontal plate (15) and an identification frame (16) are installed on the side of the crossbeam (14), the horizontal plate (15) is suitable for detecting the horizontality of the crossbeam (14), a vertical support plate (17) is installed on the crossbeam (14), the angle between the vertical support plate (17) and the crossbeam (14) is a right angle, the vertical support plate (17) is suitable for connecting the crossbeam (14) and the upper railing, and the vertical support plate (17) is suitable for detecting the verticality of the crossbeam (14); The upper railing comprises a second crossbeam (18), a reinforcing rib (19) is installed on the second crossbeam (18), the reinforcing rib (19) is connected to the second crossbeam (18), a license plate frame (20) is also connected between the upper railing and the lower railing assembly, and the two ends of the license plate frame (20) are respectively fixedly connected to the upper railing and the lower railing assembly; When used, the following steps are included: Step 1: disassemble and assemble the anti-deformation upper plate (2) and the forming base (3), loosen the rotating rod (7), check the reset and telescopic limit of the elastic telescopic member (4), and repair it in time if any problem occurs; Step 2: According to the designed position, adjust the height of the elastic telescopic member (4) and place a spacer between the anti-deformation upper plate (2) and the forming base (3); Step 3: Install the horizontal plate (15) and the identification frame (16) on the crossbeam 1 (14), and weld the vertical support plate (17) on the crossbeam 1 (14), thereby completing the installation of the lower railing assembly; Step 4: Place the lower railing assembly on the forming base (3), position it through the limit column (22), squeeze the anti-deformation upper plate (2) through the rotating rod (7) to squeeze the pressing block (6) to complete the extrusion, and let it stand for a designed time; Step 5: Loosen the rotating rod (7), take the lower railing assembly out of the forming base (3), and weld the upper railing. After welding, take out the partition plate (23) in the first installation groove (9), place the rear bumper (1) in the first installation groove (9) again, and tighten the rotating rod (7) again to complete the anti-deformation treatment of the rear bumper (1); Step 6: Thread the anti-deformation upper plate (2) and the forming base (3), and lock the rotating rod (7) to abut against the pressing block (6), thereby completing the anti-deformation treatment of the rear bumper (1).

2. The intelligent series bulk vehicle rear bumper anti-deformation tooling according to claim 1 is characterized by: The number of the pressing members is 2 to 4 groups; the number of the mounting holes (8) is 4 to 20; and the rotating rod (7) is in a "T" shape.

3. The intelligent series bulk vehicle rear bumper anti-deformation tooling according to claim 2 is characterized by: The anti-deformation upper plate (2) is an arc-shaped plate with low ends and a high middle. The first installation groove (9) includes an upper area and a lower area. A limiting groove (21) is arranged on the upper area. A limiting column (22) is installed on the forming base (3). A positioning hole is opened on the horizontal plate (15). The limiting column (22) is suitable for connecting the horizontal plate (15). The limiting groove (21) is suitable for installing an upper railing and a lower railing assembly.

4. The intelligent series bulk vehicle rear bumper anti-deformation tooling according to claim 3 is characterized by: A partition plate (23) is installed in the first installation groove (9), the partition plate (23) is detachably connected to the first installation groove (9), and a transition groove is provided on the partition plate (23), and the transition groove is suitable for fitting the corresponding vertical support plate (17).

5. The intelligent series bulk vehicle rear bumper anti-deformation tooling according to any one of claims 3 to 4, characterized in that: The anti-deformation upper plate (2) and the forming base (3) are both provided with a mounting plate (24), and the mounting plate (24) is provided with a locking hole. The anti-deformation upper plate (2) is suitable for being connected to the forming base (3) through the locking hole.

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