CN114669630B - Automobile longitudinal beam plate linearity correction device and use method - Google Patents
Automobile longitudinal beam plate linearity correction device and use method Download PDFInfo
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- CN114669630B CN114669630B CN202210357169.7A CN202210357169A CN114669630B CN 114669630 B CN114669630 B CN 114669630B CN 202210357169 A CN202210357169 A CN 202210357169A CN 114669630 B CN114669630 B CN 114669630B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/14—Straightening frame structures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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- Straightening Metal Sheet-Like Bodies (AREA)
Abstract
The invention relates to the technical field of automobile longitudinal beam plate processing, in particular to an automobile longitudinal beam plate linearity correction device and a use method thereof, wherein the automobile longitudinal beam plate linearity correction device comprises a base, a first sliding component is arranged on the base and can slide from the right side of the base to the left side of the base, limiting structures are arranged at the positions of the two sides of the base, which are respectively provided with a first limiting groove with an opening facing the right side of the base, and a second limiting groove with an opening facing the left side of the base; the two sides of the plate to be corrected are placed in the corresponding first limit grooves, the middle of the plate to be corrected is located in the second limit grooves, the first sliding component moves to squeeze the middle of the plate to be corrected, the middle of the plate to be corrected is arched and flattened, and the first limit grooves and the second limit grooves stop warping of the plate to be corrected in the thickness direction of the plate to be corrected; the scrapping of the automobile longitudinal beam plate after straightness correction due to out-of-tolerance warp deformation is avoided.
Description
Technical Field
The invention relates to the technical field of automobile longitudinal beam plate processing, in particular to an automobile longitudinal beam plate linearity correction device and a use method thereof.
Background
The automobile longitudinal beam is processed by adopting a die profiling process, and the working procedures of longitudinal beam plate blanking, punching, profiling and the like are required, so that the straightness of the plate after blanking is required to meet the quality requirements of less than or equal to 4mm/8000mm and less than or equal to 5mm/12000mm in order to ensure the product quality of the automobile longitudinal beam, and in actual production, the blanked automobile longitudinal beam plate is deformed as shown in figure 1, namely arched bulges exist along the length direction of the automobile longitudinal beam plate, so that the straightness yield of the automobile longitudinal beam plate is lower.
However, the ratio of the thickness to the length of the automobile longitudinal beam plate to the ratio of the thickness to the width of the automobile longitudinal beam plate are small, so that when the straightness correction is carried out on the automobile longitudinal beam plate, the middle part of the automobile longitudinal beam plate is arched and flattened, the automobile longitudinal beam plate can generate buckling deformation in the thickness direction of the plate, the plate after the straightness correction is scrapped due to the fact that the buckling deformation is out of tolerance, and the production cost is greatly increased.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the automobile longitudinal beam plate after straightness correction is scrapped due to out-of-tolerance warp deformation, and the production cost is greatly increased.
In order to solve the technical problems, the invention aims to provide an automobile longitudinal beam plate linearity correction device, which comprises a base, wherein a first sliding component is arranged on the base in a left-right sliding manner, limiting structures are fixedly connected to the positions of the base on two sides of the first sliding component, each limiting structure is provided with a first limiting groove with an opening facing the right side of the base, the first sliding component is provided with a second limiting groove with an opening facing the left side of the base, the middle part of an arch-shaped bulge of a plate to be corrected is positioned in the second limiting groove, and the parts of the plate to be corrected on two sides of the second limiting groove are respectively positioned in the first limiting grooves on the corresponding sides;
the automobile longitudinal beam plate linearity correction device further comprises a first driving device, wherein the first driving device drives the first sliding component to move and squeeze the plate to be corrected, so that the arch-shaped protrusions of the plate to be corrected are pressed to be flush with two sides of the plate to be corrected.
As a preferred scheme, each limiting structure comprises a first upright post fixedly connected to the left side of the base and a first limiting plate fixedly connected to the base and positioned on the right side of the first upright post, each first upright post is connected with a second limiting plate which is arranged opposite to the corresponding first limiting plate up and down in a sliding manner, and a first limiting groove is formed between the second limiting plate and the first limiting plate at intervals; each limiting structure comprises a second driving device for driving the second limiting plate to slide up and down.
As a preferred solution, when each second limiting plate is in a pressed state, a distance value between each second limiting plate and the corresponding first limiting plate is determined by the following formula:
T+0.5mm≤D≤T+2mm；
wherein D represents a distance value between each second limiting plate and the corresponding first limiting plate, and mm; t represents the thickness value of the plate to be corrected, and mm.
As a preferable scheme, the first limiting plate comprises a limiting part positioned right below the second limiting plate and a material bearing part extending to the right side of the base;
the first limiting plates and the base are arranged at intervals up and down, a lifting mechanism is arranged between the first limiting plates and the base, a supporting beam is arranged at the upper end of the lifting mechanism, and a plurality of rollers are arranged at the upper end of the supporting beam; and an opening for inserting the supporting beam is formed in the position, opposite to the supporting beam, of the first limiting plate.
As a preferable scheme, the lifting mechanism comprises a bracket connected to the base, and a first connecting rod and a second connecting rod which are connected to the bracket in a vertical rotating way, wherein the first connecting rod and the second connecting rod are arranged at intervals in parallel, and the other end of the first connecting rod and the other end of the second connecting rod are hinged with the supporting beam; the first connecting rod, the second connecting rod, the supporting beam and the bracket form a parallelogram structure;
the lifting mechanism further comprises a fifth driving device, and the fifth driving device is connected with the first connecting rod or the second connecting rod so as to drive the parallelogram structure to swing, so that the supporting beam ascends or descends.
As a preferable scheme, the first sliding component comprises a first sliding block which is in sliding connection with the base, one end of the first driving device is fixedly connected with the base, and the other end of the first driving device is connected with the first sliding block; the first sliding block is fixedly connected with a fourth limiting plate and a second upright post, a third limiting plate which is arranged opposite to the fourth limiting plate up and down is arranged on the second upright post in a sliding manner, and a second limiting groove is formed between the third limiting plate and the fourth limiting plate at intervals;
the first sliding assembly further comprises a third driving device for driving the third limiting plate to move up and down.
As a preferable scheme, a second sliding component which is arranged opposite to the first sliding component is arranged on the left sliding guide of the base, and a third limiting groove which is arranged opposite to the second limiting groove is arranged on the second sliding component; the end part of the second sliding component is attached to the end part of the first sliding component;
the part of the middle part of the plate to be corrected, which is close to the right side of the base, is positioned in the second limiting groove, and the other part of the middle part of the plate to be corrected is positioned in the third limiting groove.
Preferably, a constant pressure cylinder is connected to the left side of the base, and applies a thrust force to the second sliding assembly toward the right side of the base, so that the end of the second sliding assembly is attached to the end of the first sliding assembly;
the first driving device drives the first sliding assembly and the second sliding assembly to move to the right side of the base.
As a preferable scheme, the second sliding component comprises a second sliding block which is in sliding connection with the base, a sixth limiting plate and a third upright post are fixedly connected to the second sliding block, a fifth limiting plate which is arranged opposite to the sixth limiting plate up and down is arranged on the third upright post in a sliding manner, and a third limiting groove is formed at the interval between the fifth limiting plate and the sixth limiting plate;
the second sliding assembly further comprises a fourth driving device for driving the fifth limiting plate to move up and down.
The application method of the automobile longitudinal beam plate linearity correction device comprises the following steps:
step S1: placing the plate to be corrected in the first limit groove, and arranging the arch-shaped convex side of the plate to be corrected towards the second limit groove;
step S2: the first sliding component is driven to move to the left side of the base through the first driving device, and the board to be corrected is corrected;
step S3: the first sliding block is driven to move to the right side of the base through the first driving device, and the corrected plate is taken down from the automobile longitudinal beam plate linearity correction device.
Compared with the prior art, the invention has the beneficial effects that:
the invention relates to an automobile longitudinal beam plate linearity correction device, which comprises a base, wherein a first sliding component is arranged on the base and can slide from the right side of the base to the left side of the base, limiting structures are arranged on the base and are respectively arranged at two sides of the first sliding component, each limiting structure is provided with a first limiting groove with an opening facing the right side of the base, the first sliding component is provided with a second limiting groove with an opening facing the left side of the base, when the device is used, two sides of a plate to be corrected are respectively placed in the corresponding first limiting grooves, the middle part of the plate to be corrected is positioned in the second limiting grooves, a first driving device drives the first sliding component to move to the left side of the base, and the first sliding component arches to apply thrust facing the left side of the base to the middle part of the plate to be corrected, so that the middle part of the plate to be corrected can be arched and flattened, and the linearity correction of the plate to be corrected can be realized; in the correction process, the first limit groove and the second limit groove can stop the warping of the plate to be corrected in the thickness direction of the plate to be corrected; therefore, when the straightness correction device for the automobile longitudinal beam plate is used for carrying out straightness correction on the automobile longitudinal beam plate, the buckling deformation of the automobile longitudinal beam plate in the thickness direction can be controlled within a reasonable range, and the scrapping of the automobile longitudinal beam plate after straightness correction due to the fact that the buckling deformation is out of tolerance is avoided.
Drawings
FIG. 1 is a schematic view of an automotive rail panel stock straightness error member;
FIG. 2 is an isometric view of an automotive rail panel alignment device according to the present embodiment;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a front view of the first spacing structure;
FIG. 5 is a top view of the first spacing structure;
FIG. 6 is a side view of the first spacing structure;
FIG. 7 is a side view of the vehicle rail plate alignment device after placement of the plate to be aligned in the stock portion of the first limiting plate;
FIG. 8 is a schematic view of a lifting structure;
FIG. 9 is a side view of FIG. 8;
FIG. 10 is a view at B-B in FIG. 7;
FIG. 11 is a side view of FIG. 10;
FIG. 12 is a top view of FIG. 10;
FIG. 13 is a schematic view of the first slide assembly applying a correction force to the sheet material to be corrected;
in the figure, 1, a base; 2. a first slide assembly; 21. a first slider; 22. a fourth limiting plate; 23. a second upright; 24. a third limiting plate; 25. the second limit groove; 3. a limit structure; 31. a first limiting plate; 311. a limit part; 312. a material bearing part; 32. a first upright; 33. a second limiting plate; 34. a second driving device; 35. a guide plate; 36. a cross beam; 37. a first limit groove; 4. a first driving device; 5. a lifting mechanism; 51. a bracket; 52. a first link; 53. a second link; 54. a fifth driving device; 6. a support beam; 7. a second slide assembly; 71. a second slider; 72. a third upright; 73. a fifth limiting plate; 74. a fourth driving device; 75. a constant pressure cylinder; 76. a sixth limiting plate; 77. a fixing frame; 78. a guide post; 79. a third limit groove; 8. and (5) correcting the plate.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "top", "bottom", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. It should be understood that the terms "first," "second," and the like are used herein to describe various information, but such information should not be limited to these terms, which are used merely to distinguish one type of information from another. For example, a "first" message may also be referred to as a "second" message, and similarly, a "second" message may also be referred to as a "first" message, without departing from the scope of the invention.
As shown in fig. 2 to 13, a preferred embodiment of the automotive longitudinal beam plate linearity correction device of the present invention includes a base 1, a first sliding component 2 that can slide from the right side of the base 1 to the left side of the base 1 is provided on the base 1, the positions of the base 1 on both sides of the first sliding component 2 are fixedly connected with limiting structures 3, each limiting structure 3 is provided with a first limiting groove 37 with an opening facing the right side of the base 1, the first sliding component 2 is provided with a second limiting groove 25 with an opening facing the left side of the base 1, when in use, the middle part of the arched bulge of the plate 8 to be corrected is located in the second limiting groove 25, and the parts of the plate 8 to be corrected on both sides of the second limiting groove 25 are located in the corresponding first limiting grooves 37; the first driving device 4 is used for driving the first sliding component 2 to move to the left side of the base 1, the first sliding component 2 applies thrust towards the left side of the base 1 to the middle bulge of the plate 8 to be corrected, one side, far away from the first sliding component, of the plate 8 to be corrected is abutted with a stop piece arranged on the left side of the base 1, and the arched bulge of the plate 8 to be corrected can be pressed to be flush with two sides of the plate 8 to be corrected, so that the straightness correction of the plate 8 to be corrected is realized; in the correction process, the first limit groove 37 and the second limit groove 25 can stop the warping of the plate to be corrected in the thickness direction of the plate to be corrected 8; therefore, the automobile longitudinal beam plate linearity correction device can avoid the warping deformation of the automobile longitudinal beam plate in the thickness direction when the automobile longitudinal beam plate is subjected to linearity correction.
As shown in fig. 2 to 6, each limiting structure 3 includes a first limiting plate 31 fixedly connected to the base 1, a first upright post 32 fixedly connected to the left side of the base 1, a second limiting plate 33 slidably connected to the first upright post 32 and arranged opposite to the first limiting plate 31 up and down, and a second driving device 34 for driving the second limiting plate 33 to slide up and down, where a first limiting groove 37 is formed between the second limiting plate 33 and the first limiting plate 31. It should be noted that, when the first sliding component 2 applies a pushing force to the plate 8 to be corrected located in the first limiting groove 37, a relative sliding is required to be generated between the surface of the plate to be corrected and the groove wall of the first limiting groove 37, so a gap is required to be formed between the plate to be corrected and the first limiting groove 37, and as the first sliding component 2 moves to the left side of the base 1, the plate to be corrected deforms in the first limiting groove 37 and the second limiting groove 25, and the deformation causes the plate 8 to be corrected to warp; the warping of the plate 8 to be corrected can reduce the gap between the plate 8 to be corrected and the limit groove, and if the gap value between the plate 8 to be corrected and the limit groove is too small, the plate 8 to be corrected can be blocked in the limit groove; if the clearance value between the plate 8 to be corrected and the limit groove is too large, the buckling deformation amount of the plate 8 to be corrected is too poor, and the corrected plate is scrapped due to buckling deformation. In the present embodiment, the second drive device 34 can flexibly adjust the interval between the second limiting plate 33 and the first limiting plate 31.
Specifically, in the depressed state, the distance value between each second limiting plate 33 and the corresponding first limiting plate 31 is determined by the following formula:
0.5mm≤D－T≤2mm；
wherein D represents the distance value between each second limiting plate 33 and each first limiting plate 31, and mm; t represents the thickness value of the sheet 8 to be corrected, mm. The plate 8 to be corrected is prevented from being blocked in the limiting groove, and the buckling deformation of the corrected plate is ensured to be within a tolerance range.
Specifically, because the longitudinal beam plate of the automobile is longer, the limiting structure 3 in this embodiment is a beam frame structure, each limiting structure 3 is provided with at least two first upright posts 32, the two first upright posts 32 are fixedly connected with each other through a cross beam 36, the upper ends of the two first upright posts 32 are fixedly connected with a second driving device 34, the outer sides of the two ends of the cross beam are fixedly connected with guide plates 35 in a sliding and guiding manner, and the two ends of the second limiting plates 33 are fixedly connected with the lower ends of the corresponding guide plates 35 respectively. In this embodiment, two pairs of limiting structures 3 are provided, and the specific number of the limiting structures 3 is determined according to the length of the board 8 to be corrected.
In this embodiment, as shown in fig. 3, 7, 8 and 9, the first limiting plate 31 includes a limiting portion 311 located right below the second limiting plate 33 and a material receiving portion 312 extending to the right side of the base 1; the first limiting plate 31 is arranged at intervals up and down with the base 1, a lifting mechanism 5 is arranged between the first limiting plate 31 and the base 1, a supporting beam 6 is arranged at the upper end of the lifting mechanism 5, a plurality of rollers are arranged at the upper end of the supporting beam 6, and an opening for the supporting beam 6 to be inserted is formed in the position, opposite to the supporting beam 6, of the first limiting plate 31; when in use, the second limiting plate 33 is driven to ascend by the second driving device 34, so that the first limiting groove 37 is increased; then the first driving device 4 slides to the right side of the base 1, so that a space for the plate 8 to be corrected to pass through is formed between the first sliding component 2 and each limiting structure 3, and the plate 8 to be corrected is convenient to place; after that, the plate 8 to be corrected is placed on the material bearing part 312, the supporting beam 6 is lifted by the lifting mechanism 5, so that the rollers move upwards and support the plate 8 to be corrected, the plate 8 to be corrected is arranged opposite to the first limiting groove 37 and the second limiting groove 25, then the first driving device 4 drives the first sliding component 2 to move towards the left side of the base 1, the middle part of the plate 8 to be corrected enters the second limiting groove 25, the first sliding component 2 continues to move towards the left side of the base 1, the first sliding component 2 applies thrust towards the left side of the base 1 to the plate 8 to be corrected, and therefore two sides of the plate 8 to be corrected are pushed into the first limiting groove 37, the rollers can enable the plate 8 to be corrected to be separated from contact with the first limiting plate 31, and scratches generated by the plate 8 to be corrected in the process of pushing the plate 8 to be corrected are avoided; after the plate 8 to be corrected is pushed into the first limit groove 37, the supporting beam 6 is lowered by the lifting mechanism 5 so that each roller is lower than the upper end surface of the first limit plate 31; then, the second limiting plate 33 is driven to descend by the second driving device 34, the gap between the first limiting groove 37 and the material plate to be corrected is adjusted to be 0.5 mm-2 mm, and then thrust towards the left side of the base 1 is applied to the material plate 8 to be corrected by the first sliding assembly 2, so that the straightness correction of the material plate 8 to be corrected is realized.
Specifically, the lifting mechanism 5 comprises a bracket 51 connected to the base 1, and a first connecting rod 52 and a second connecting rod 53 which are connected to the bracket 51 in a vertically rotating manner, wherein the first connecting rod 52 and the second connecting rod 53 are arranged in parallel at intervals, and the other end of the first connecting rod 52 and the other end of the second connecting rod 53 are hinged with the supporting beam 6; the first link 52, the second link 53, the portion of the support beam 6 between the first link 52 and the second link 53, and the portion of the bracket 51 between the first link 52 and the second link 53 form a parallelogram structure; the elevating mechanism 5 further includes a fifth driving device 54, and the fifth driving device 54 is connected to the first link 52 or the second link 53 to drive the parallelogram structure to swing so that the support beam 6 is raised or lowered. The fifth driving device 54 is a pneumatic cylinder or a hydraulic cylinder, and is capable of lifting the support beam 6 through a parallelogram structure, so that the structure is compact and the lifting is stable.
As shown in fig. 7, the first sliding assembly 2 includes a first slider 21 slidably connected to the base 1, a fourth limiting plate 22 fixedly connected to the first slider 21, a second upright 23 fixedly connected to the first slider 21, a third limiting plate 24 slidably disposed on the second upright 23 and vertically spaced apart from the fourth limiting plate 22, and a third driving device for driving the third limiting plate 24 to move up and down, wherein a second limiting groove 25 is formed between the third limiting plate 24 and the fourth limiting plate 22. Specifically, the first driving device 4 is a hydraulic cylinder, the output end of the first driving device 4 is connected with the first sliding block 21, the base 1 is rectangular, a guide rail arranged along the width direction is arranged on the base 1, the lower end of the first sliding block 21 is connected to the guide rail through a guide sleeve, the upper end face of the fourth limiting plate 22 is flush with the upper end face of the first limiting plate 31, the lifting mechanism 5 lifts the supporting beam 6, and the lower end face of the plate 8 to be corrected is slightly higher than the upper end face of the first limiting plate 31, so that the plate 8 to be corrected is not scratched in the process of entering and exiting the first limiting groove 37 and the second limiting groove 25.
It should be noted that, in this embodiment, as shown in fig. 1, 10, 11 and 12, the left sliding guide of the base 1 is provided with a second sliding assembly 7 disposed opposite to the first sliding assembly 2, the second sliding assembly 7 is provided with a third limiting groove 79 disposed opposite to the second limiting groove 25, an end of the second sliding assembly 7 is attached to an end of the first sliding assembly 2, a part of the middle of the board 8 to be corrected is located in the second limiting groove 25, and another part of the middle of the board 8 to be corrected is located in the third limiting groove 79. Specifically, the portion of the middle part of the plate 8 to be corrected, which is close to the right side of the base 1, is located in the second limiting groove 25, the portion of the middle part of the plate 8 to be corrected, which is close to the left side of the base 1, is located in the third limiting groove 79, the third limiting groove 79 can limit the warp deformation of the plate 8 to be corrected, which is located in the third limiting groove 79, and the second limiting groove 25 can limit the warp deformation of the plate 8 to be corrected, which is located in the second limiting groove 25.
In this embodiment, as shown in fig. 7, 10, 11 and 12, a constant pressure cylinder 75 is fixedly connected to the left side of the base 1, and the constant pressure cylinder 75 applies a pushing force towards the right side of the base 1 to the second sliding component 7, so that the end of the second sliding component 7 is attached to the end of the first sliding component 2; the part of the middle part of the plate 8 to be corrected, which is close to the right side of the base 1, is positioned in the second limit groove 25, and the part of the middle part of the plate 8 to be corrected, which is close to the left side of the base 1, is positioned in the third limit groove 79; the first driving means 4 drives the first slider assembly 2 and the second slider assembly 7 to move to the left side of the base 1. Specifically, under the thrust action of the constant pressure cylinder 75, the end of the second sliding component 7 is attached to the end of the first sliding component 2, and the driving force of the first driving device 4 is greater than the thrust of the constant pressure cylinder 75, so that the first driving device 4 can drive the first sliding component 2 and the second sliding component 7 attached together to move synchronously.
In this embodiment, the second sliding assembly 7 includes a second slider 71 slidably connected to the base 1, a sixth limiting plate 76 fixed to the second slider 71, a third upright 72 fixed to the second slider 71, a fifth limiting plate 73 slidably disposed on the third upright 72 and disposed opposite to the sixth limiting plate 76 up and down, and a fourth driving device 74 for driving the fifth limiting plate 73 to move up and down, and a third limiting groove 79 is formed at a space between the fifth limiting plate 73 and the sixth limiting plate 76. Specifically, the lower extreme of third stand 72 is connected on second slider 71, and the upper end fixed connection mount 77 of third stand 72, fourth drive arrangement 74 set up in mount 77 and with mount 77 fixed connection, the both sides of mount 77 all are equipped with along the guide slot that extends from top to bottom, all are connected with guide pillar 78 on the guide slot, and the lower extreme at corresponding guide pillar 78 is connected respectively at the both ends of fifth limiting plate 73.
For the plate to be corrected with poor straightness, the middle arch of the plate to be corrected is serious, in the process of flattening the middle arch of the plate to be corrected, the stress conditions of the materials positioned on two sides of the bending deformation neutral layer of the plate to be corrected are different, and the materials positioned on the inner side of the neutral layer are subjected to tensile stress, so that the thickness of the materials is thinned; the material outside the neutral layer is subjected to compressive stress, so that the material is thickened; therefore, in the present embodiment, when the first sliding component 2 applies the pushing force for pushing the arch-shaped protrusion to the plate to be corrected, the thickness of the plate to be corrected located in the third limiting groove 79 becomes thinner, and the thickness of the plate to be corrected located in the second limiting groove 26 becomes thicker; the third driving device adjusts the interval between the third limiting plate 24 and the fourth limiting plate 22, and the fourth driving device 74 adjusts the interval between the fifth limiting plate 73 and the sixth limiting plate 76, so that the independent adjustment of the gaps between the second limiting groove 26 and the third limiting groove 79 and the plate 8 to be corrected can be realized according to the plate thickness change condition in the correction process, and the buckling deformation of the corrected plate is further reduced.
The automobile longitudinal beam plate linearity correction device of the embodiment further comprises a control system, and the first driving device 4, the third driving device, the fourth driving device 74, the fifth driving device 54, the constant pressure air cylinder 75 and each second driving device 34 are electrically connected with the control system, so that the plate linearity is automatically corrected.
The embodiment of the application method of the automobile longitudinal beam plate linearity correction device comprises the following steps:
step S1: placing the sheet material 8 to be corrected in the first limit groove 37 with the arch-shaped convex side of the sheet material 8 to be corrected disposed toward the second limit groove 25;
step S2: the first driving device 4 is used for driving the first sliding component 2 to move to the left side of the base 1, and the plate 8 to be corrected is corrected;
step S3: the first driving device 4 is used for driving the first sliding component 2 to move to the right side of the base 1, and the corrected plate is taken off from the automobile longitudinal beam plate linearity correction device.
Wherein, step S1 includes:
step S11, the distance between each second limiting plate 33 and each first limiting plate 31 is enlarged by each second driving device 34; the distance between the third limiting plate 24 and the fourth limiting plate 22 is increased by the third driving device; the distance between the fifth limiting plate 73 and the sixth limiting plate 76 is increased by the fourth driving device 74;
step S12, placing the plate 8 to be corrected on the material bearing part 312, and lifting each supporting beam 6 by using the lifting mechanism 5;
step S13, the first driving device 4 is used for driving the first sliding component 2 to move to the left side of the base 1, and the plate 8 to be corrected positioned on the material bearing part 312 is pushed into the first limit groove 37;
step S14, the supporting beam 6 is dropped by the lifting mechanism 5;
step S15, the distance between each second limiting plate 33 and each first limiting plate 31 is reduced by each second driving device 34, so that each first limiting groove 37 is matched with the thickness of the plate 8 to be corrected; the third driving device is utilized to reduce the distance between the third limiting plate 24 and the fourth limiting plate 22, so that the second limiting groove 25 is matched with the thickness of the plate 8 to be corrected; the distance between the fifth limiting plate 73 and the sixth limiting plate 76 is reduced by the fourth driving device 74, so that the third limiting groove 79 is matched with the thickness of the plate 8 to be corrected.
The step S2 comprises the following steps:
step S21, the second sliding component 7 is driven to move to the right side of the fixed seat by the constant pressure cylinder 75, so that the second sliding component 7 is attached to the first sliding component 2;
step S22, the first driving device 4 is used for driving the first sliding component 2 and the second sliding component 7 to move to the left side of the base 1, so that the arched bulge of the plate 8 to be corrected is pressed to be level with the two sides of the plate 8 to be corrected;
step S23, maintaining the pressure maintaining force applied to the plate 8 to be corrected for a first set time by using the first driving device 4 to maintain the first sliding assembly 2;
wherein the first set time is 2 seconds to 5 seconds.
The step S3 comprises the following steps:
step S31, the distance between each second limiting plate 33 and the first limiting plate 31 is increased by using each second driving device 34, so that each second limiting plate 33 is separated from the corrected plate; the third driving device is utilized to enlarge the distance between the third limiting plate 24 and the fourth limiting plate 22, so that the third limiting plate 24 is separated from contact with the corrected plate; the distance between the fifth limiting plate 73 and the sixth limiting plate 76 is increased by using the fourth driving device 74, so that the fifth limiting plate 73 is out of contact with the corrected plate;
step S32, lifting each supporting beam 6 by using the lifting mechanism 5, so that the lower end surface of the corrected plate is out of contact with the first limiting plate 31;
step S33, driving the third limiting plate 24 to move downwards by using the third driving device, so that the lower end surface of the third limiting plate 24 is attached to the upper end surface of the corrected plate;
step S34, the first driving device 4 is used for driving the first sliding component 2 to move to the right side of the base 1, so that the corrected plate material moves out of the first limiting groove 37 under the friction force of the third limiting plate 24 and the fourth limiting plate 22;
step S35, the third limiting plate 24 is driven to move upwards by the third driving device, so that the upper end surface of the corrected plate is separated from contact with the third limiting plate 24;
in step S36, the first driving device 4 is used to drive the first sliding assembly 2 to move to the right side of the base 1, so that the corrected plate is pulled out of the second limiting groove 25.
In summary, in the automotive longitudinal beam plate linearity correction device of the embodiment, two sides of the plate 8 to be corrected are respectively placed in the corresponding first limiting grooves 37, the middle protrusion of the plate 8 to be corrected is located in the second limiting groove 25, the first driving device 4 drives the first sliding component 2 to move to the left side of the base 1, the first sliding component 2 applies a thrust force towards the left side of the base 1 to the middle protrusion of the plate 8 to be corrected, so that the middle protrusion of the plate 8 to be corrected can be flattened, and linearity correction of the plate 8 to be corrected is realized; in the correction process, the first limit groove 37 and the second limit groove 25 can stop the warping of the plate 8 to be corrected in the thickness direction of the plate 8 to be corrected; the buckling deformation amount of the automobile longitudinal beam plate in the thickness direction can be controlled within a reasonable range, and the scrapping of the automobile longitudinal beam plate after straightness correction due to the out-of-tolerance buckling deformation is avoided.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.
Claims (7)
1. The using method of the automobile longitudinal beam plate linearity correction device is characterized in that the automobile longitudinal beam plate linearity correction device comprises a base (1), a first sliding component (2) is arranged on the base (1) in a sliding mode left and right, limiting structures (3) are fixedly arranged at positions, located on two sides of the first sliding component (2), of the base (1), each limiting structure (3) is provided with a first limiting groove (37) with an opening facing to the right side of the base (1), the first sliding component (2) is provided with a second limiting groove (25) with an opening facing to the left side of the base (1), the middle part of an arch-shaped protrusion of a plate (8) to be corrected is located in the second limiting groove (25), and the parts, located on two sides of the second limiting groove (25), of the plate (8) to be corrected are located in the first limiting grooves (37) on the corresponding sides respectively;
the automobile longitudinal beam plate linearity correction device further comprises a first driving device (4), wherein the first driving device (4) drives the first sliding assembly (2) to move and squeeze the plate (8) to be corrected so as to press the arch-shaped protrusions of the plate (8) to be corrected to be flush with two sides of the plate (8) to be corrected; the first limit groove (37) and the second limit groove (25) are used for stopping the warping of the plate (8) to be corrected in the thickness direction; each limiting structure (3) comprises a first upright post (32) fixedly connected to the left side of the base (1) and a first limiting plate (31) fixedly connected to the base (1) and positioned on the right side of the first upright post (32), each first upright post (32) is slidably connected with a second limiting plate (33) which is arranged opposite to the corresponding first limiting plate (31) up and down, and a first limiting groove (37) is formed between the second limiting plate (33) and the first limiting plate (31); each limiting structure (3) comprises a second driving device (34) for driving the second limiting plate (33) to slide up and down; the first limiting plate (31) comprises a limiting part (311) positioned right below the second limiting plate (33) and a material bearing part (312) extending to the right side of the base (1);
the first limiting plates (31) are arranged at intervals up and down with the base (1), a lifting mechanism (5) is arranged between the first limiting plates (31) and the base (1), a supporting beam (6) is arranged at the upper end of the lifting mechanism (5), and a plurality of rollers are arranged at the upper end of the supporting beam (6); the left sliding guide of the base (1) is provided with a second sliding component (7) which is arranged opposite to the first sliding component (2), and the second sliding component (7) is provided with a third limiting groove (79) which is arranged opposite to the second limiting groove; the end part of the second sliding component (7) is attached to the end part of the first sliding component (2);
a part of the middle part of the plate (8) to be corrected, which is close to the right side of the base (1), is positioned in the second limit groove (25), and the other part of the middle part of the plate (8) to be corrected is positioned in the third limit groove (79);
the application method of the automobile longitudinal beam plate linearity correction device comprises the following steps:
step S1, placing the plate (8) to be corrected in the first limit groove (37) and arranging the arch-shaped convex side of the plate (8) to be corrected towards the second limit groove (25);
s2, driving the first sliding assembly (2) to move to the left side of the base (1) through the first driving device (4) to correct the plate (8) to be corrected;
s3, driving the first sliding assembly (2) to move to the right side of the base (1) through the first driving device (4), and taking the corrected plate out of the automobile longitudinal beam plate linearity correction device;
the step S1 further includes, after placing the board (8) to be corrected in the first limiting groove (37), adjusting the distance between the second limiting plates (33) and the first limiting plates (31) by using the second driving devices (34), so that the thickness of each first limiting groove (37) is matched with the thickness of the board (8) to be corrected.
2. The method of using the vehicle rail plate linearity correction device according to claim 1, characterized in that when each of the second limiting plates (33) is in a pressed state, a distance value between each of the second limiting plates (33) and the corresponding first limiting plate (31) is determined by the following formula:
T+0.5mm≤D≤T+2mm;
wherein D represents a distance value between each second limiting plate (33) and the corresponding first limiting plate (31), and mm, and T represents a thickness value of the plate (8) to be corrected, and mm.
3. The use method of the automobile longitudinal beam plate linearity correction device according to claim 1, wherein the lifting mechanism (5) comprises a bracket (51) connected to the base (1), a first connecting rod (52) and a second connecting rod (53) which are connected to the bracket (51) in an up-down rotation mode, the first connecting rod (52) and the second connecting rod (53) are arranged in parallel and at a spacing, and one end of the first connecting rod (52) and one end of the second connecting rod (53) are hinged to the supporting beam (6); the first connecting rod (52), the second connecting rod (53), the supporting beam (6) and the bracket (51) form a parallelogram structure;
the lifting mechanism (5) further comprises a fifth driving device (54), and the fifth driving device (54) is connected with the first connecting rod (52) or the second connecting rod (53) to drive the parallelogram structure to swing so that the supporting beam (6) ascends or descends.
4. The method for using the automobile longitudinal beam plate linearity correction device according to claim 1, wherein the first sliding component (2) comprises a first sliding block (21) which is in sliding connection with the base (1), one end of the first driving device (4) is fixedly connected with the base (1), and the other end of the first driving device (4) is connected with the first sliding block (21); a fourth limiting plate (22) and a second upright post (23) are fixedly connected to the first sliding block (21), a third limiting plate (24) which is arranged opposite to the fourth limiting plate (22) up and down is arranged on the second upright post (23) in a sliding manner, and a second limiting groove (25) is formed at the interval between the third limiting plate (24) and the fourth limiting plate (22);
the first sliding assembly (2) further comprises a third driving device for driving the third limiting plate (24) to move up and down.
5. The use method of the automobile longitudinal beam plate linearity correction device according to claim 1, characterized in that a constant pressure cylinder (75) is connected to the left side of the base (1), and the constant pressure cylinder (75) applies thrust to the second sliding component (7) towards the right side of the base (1) so as to enable the end part of the second sliding component (7) to be attached to the end part of the first sliding component (2);
the first driving device (4) drives the first sliding assembly (2) and the second sliding assembly (7) to move to the left side of the base.
6. The use method of the automobile longitudinal beam plate linearity correction device according to claim 1, wherein the second sliding component (7) comprises a second sliding block (71) which is in sliding connection with the base (1), a sixth limiting plate (76) and a third upright post (72) are fixedly connected to the second sliding block (71), a fifth limiting plate (73) which is arranged opposite to the sixth limiting plate (76) up and down is arranged on the third upright post (72) in a sliding manner, and a third limiting groove (79) is formed at the interval between the fifth limiting plate (73) and the sixth limiting plate (76);
the second sliding assembly (7) further comprises a fourth driving device (74) for driving the fifth limiting plate (73) to move up and down.
7. The method for using the device for correcting the straightness of the longitudinal beam plate of the automobile according to claim 1, wherein,
the first sliding assembly (2) comprises a third limiting plate (24), a fourth limiting plate (22) and a third driving device for driving the third limiting plate (24) to move up and down; the second sliding assembly (7) comprises a fifth limiting plate (73), a sixth limiting plate (76) and a fourth driving device (74) for driving the fifth limiting plate (73) to move up and down;
the step S1 includes:
step S11, the distance between each second limiting plate (33) and each first limiting plate (31) is enlarged by each second driving device (34); the third driving device is used for adjusting the distance between the third limiting plate (24) and the fourth limiting plate (22); the distance between the fifth limiting plate (73) and the sixth limiting plate (76) is increased by using a fourth driving device (74);
step S12, placing the plate (8) to be corrected on a material bearing part (312), and lifting each supporting beam (6) by using a lifting mechanism (5);
step S13, a first driving device (4) is used for driving a first sliding component (2) to move to the left side of the base (1) and pushing the plate (8) to be corrected positioned on the material bearing part (312) into the first limit groove (37);
step S14, the supporting beam (6) is dropped by the lifting mechanism (5);
step S15, adjusting the distance between each second limiting plate (33) and each first limiting plate (31) by using each second driving device (34) so that each first limiting groove (37) is matched with the thickness of the plate (8) to be corrected; reducing the distance between the third limiting plate (24) and the fourth limiting plate (22) by using a third driving device, so that the thickness of the second limiting groove (25) is matched with that of the plate (8) to be corrected; the fourth driving device (74) is used for reducing the distance between the fifth limiting plate (73) and the sixth limiting plate (76) so that the thickness of the third limiting groove (79) is matched with that of the plate (8) to be corrected;
the step S3 comprises the following steps:
step S31, using each second driving device (34) to enlarge the distance between each second limiting plate (33) and each first limiting plate (31) so that each second limiting plate (33) is out of contact with the corrected plate; using a third driving device to increase the distance between the third limiting plate (24) and the fourth limiting plate (22) so that the third limiting plate (24) is out of contact with the corrected plate; -adjusting the distance between the fifth limiting plate (73) and the sixth limiting plate (76) with the fourth driving means (74) such that the fifth limiting plate (73) is out of contact with the corrected plate material;
step S32, lifting each supporting beam (6) by using the lifting mechanism (5) so that the lower end surface of the corrected plate material is out of contact with the first limiting plate (31);
step S33, driving the third limiting plate (24) to move downwards by using the third driving device, so that the lower end surface of the third limiting plate (24) is attached to the upper end surface of the corrected plate;
step S34, driving the first sliding assembly (2) to move to the right side of the base (1) by using the first driving device (4), so that the corrected plate is moved out of the first limit groove (37) under the friction force of the third limit plate (24) and the fourth limit plate (22);
step S35, driving the third limiting plate (24) to move upwards by using the third driving device, so that the upper end surface of the corrected plate is out of contact with the third limiting plate (24);
and S36, driving the first sliding assembly (2) to move to the right side of the base (1) by using the first driving device (4) so that the corrected plate is separated from the second limiting groove (25).
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| CN202210357169.7A CN114669630B (en) | 2022-04-01 | 2022-04-01 | Automobile longitudinal beam plate linearity correction device and use method |
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| CN202210357169.7A CN114669630B (en) | 2022-04-01 | 2022-04-01 | Automobile longitudinal beam plate linearity correction device and use method |
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| CN114669630B true CN114669630B (en) | 2023-09-15 |
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| CN215467647U (en) * | 2021-06-30 | 2022-01-11 | 南京钢铁股份有限公司 | Lateral bending straightening device |
| CN215844999U (en) * | 2021-09-02 | 2022-02-18 | 杭州合耀机械制造有限公司 | Steel constructs web arc correcting unit |
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2022
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3750454A (en) * | 1972-02-09 | 1973-08-07 | Steel Co Inc El Paso | Horizontal metal-working machine |
| CN101428308A (en) * | 2008-11-27 | 2009-05-13 | 太原重工股份有限公司 | Horizontal gag straightener |
| JP2018012112A (en) * | 2016-07-19 | 2018-01-25 | 日本管材センター株式会社 | Bending corrector |
| CN109158451A (en) * | 2018-09-27 | 2019-01-08 | 天津市中重科技工程有限公司 | A kind of H profile steel gag straightener |
| CN210754464U (en) * | 2019-09-19 | 2020-06-16 | 西部矿业股份有限公司 | Light horizontal correction equipment |
| CN112620405A (en) * | 2020-12-31 | 2021-04-09 | 河北创力机电科技有限公司 | Horizontal straightening device for longitudinal beam flange plate of trailer |
| CN215467647U (en) * | 2021-06-30 | 2022-01-11 | 南京钢铁股份有限公司 | Lateral bending straightening device |
| CN215844999U (en) * | 2021-09-02 | 2022-02-18 | 杭州合耀机械制造有限公司 | Steel constructs web arc correcting unit |
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| CN114669630A (en) | 2022-06-28 |
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