CN114669630A - 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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- CN114669630A CN114669630A CN202210357169.7A CN202210357169A CN114669630A CN 114669630 A CN114669630 A CN 114669630A CN 202210357169 A CN202210357169 A CN 202210357169A CN 114669630 A CN114669630 A CN 114669630A
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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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Abstract
The invention relates to the technical field of automobile longitudinal beam plate processing, in particular to an automobile longitudinal beam plate linearity correcting device and a using method thereof, wherein the automobile longitudinal beam plate linearity correcting device comprises a base, a first sliding assembly 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 base, which are positioned at the two sides of the first sliding assembly, respectively, each limiting structure is provided with a first limiting groove with an opening facing the right side of the base, and the first sliding assembly is provided with 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 limiting grooves, the middle part of the plate to be corrected is located in the second limiting groove, the first sliding assembly moves to extrude the middle part of the plate to be corrected, the middle part of the plate to be corrected is arched and flattened, and the first limiting grooves and the second limiting 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 with corrected straightness due to the out-of-tolerance warping 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, the working procedures of longitudinal beam plate blanking, punching, profiling and the like are required, in order to ensure the product quality of the automobile longitudinal beam, the straightness of the blanked plate must meet the quality requirements of being less than or equal to 4mm/8000mm and less than or equal to 5mm/12000mm, and in the actual production, the blanked automobile longitudinal beam plate deforms as shown in figure 1, namely, an arch-shaped bulge exists along the length direction of the automobile longitudinal beam plate, so that the straightness yield of the automobile longitudinal beam plate is low.
However, the ratio of the thickness to the length of the automobile longitudinal beam plate and the ratio of the thickness to the width of the automobile longitudinal beam plate are small, so that when the straightness of the automobile longitudinal beam plate is corrected, the automobile longitudinal beam plate can generate buckling deformation in the thickness direction of the plate in the process of arching and flattening the middle part of the automobile longitudinal beam plate, the plate after the straightness is corrected is scrapped due to the fact that the buckling deformation is out of tolerance, and the production cost is greatly improved.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the automobile longitudinal beam plate with the corrected straightness is scrapped due to the fact that warping deformation is out of tolerance, and production cost is greatly improved.
In order to solve the technical problems, the invention aims to provide a straightness correcting device for a longitudinal beam plate of an automobile, which comprises a base, wherein a first sliding assembly is arranged on the base in a left-right sliding manner, limiting structures are fixedly connected to positions of the base, which are positioned on two sides of the first sliding assembly, each limiting structure is provided with a first limiting groove, an opening of each first limiting groove faces to the right side of the base, the first sliding assembly is provided with a second limiting groove, an opening of each second limiting groove faces to 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 parts of the plate to be corrected, which are positioned 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 assembly to move and extrude the plate to be corrected, so that the arched bulges of the plate to be corrected are pressed to be parallel and level with the two sides of the plate to be corrected.
As a preferred scheme, each limiting structure comprises a first upright column fixedly connected to the left side of the base and a first limiting plate fixedly connected to the base and located on the right side of the first upright column, each first upright column is slidably connected with a second limiting plate which is vertically and oppositely arranged with the corresponding first limiting plate, and the first limiting grooves are formed at intervals between the second limiting plates and the first limiting plates; each limit structure all includes and is used for driving the gliding second drive arrangement from top to bottom of second limiting plate.
Preferably, 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；
in the formula, D represents a distance value, mm, between each second limiting plate and the corresponding first limiting plate; t represents the thickness value, mm, of the sheet to be corrected.
Preferably, 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 plate and the base are arranged at intervals up and down, a lifting mechanism is arranged between the first limiting plate 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 at intervals; an opening for the support beam to insert is formed in the position, opposite to the support beam, of the first limiting plate.
Preferably, the lifting mechanism comprises a support connected to the base, and a first connecting rod and a second connecting rod which are connected to the support in a vertically rotating manner, the first connecting rod and the second connecting rod are arranged in parallel at intervals, and the other end of the first connecting rod and the other end of the second connecting rod are hinged to 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 to drive the parallelogram structure to swing so that the supporting beam ascends or descends.
Preferably, the first sliding assembly comprises a first sliding block connected with the base in a sliding manner, 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; a fourth limiting plate and a second upright post are fixedly connected to the first sliding block, a third limiting plate which is vertically opposite to the fourth limiting plate is arranged on the second upright post in a sliding mode, and the second limiting groove is formed by 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.
Preferably, a second sliding assembly arranged opposite to the first sliding assembly is arranged on the left side of the base in a sliding and guiding manner, and a third limiting groove arranged opposite to the second limiting groove is formed in the second sliding assembly; the end part of the second sliding assembly is attached to the end part of the first sliding assembly;
the part of the middle part of the plate to be corrected, which is close to the right side of the base, is located in the second limiting groove, and the other part of the middle part of the plate to be corrected is located in the third limiting groove.
Preferably, a constant pressure cylinder is connected to the left side of the base, and applies a pushing force to the second sliding assembly towards 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 towards the right side of the base.
As a preferable scheme, the second sliding assembly comprises a second sliding block connected with the base in a sliding manner, a sixth limiting plate and a third upright post are fixedly connected to the second sliding block, a fifth limiting plate arranged opposite to the sixth limiting plate is arranged on the third upright post in a sliding manner, and the third limiting groove is formed at an 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 use 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 limiting groove, and enabling the arched convex side of the plate to be corrected to face the second limiting groove;
step S2: the first sliding assembly is driven by the first driving device to move to the left side of the base, and the plate to be corrected is corrected;
step S3: and the first sliding block is driven by the first driving device to move to the right side of the base, 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 straightness correcting device comprises a base, a first sliding assembly 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 on two sides of the first sliding assembly, each limiting structure is provided with a first limiting groove with an opening facing the right side of the base, the first sliding assembly is provided with a second limiting groove with an opening facing the left side of the base, when the straightness correcting device is used, two sides of a plate to be corrected are respectively placed in the corresponding first limiting grooves, the middle of the plate to be corrected is located in the second limiting groove, a first driving device drives the first sliding assembly to move towards the left side of the base, the first sliding assembly exerts thrust facing the left side of the base towards the middle of the plate to be corrected in an arched mode, the middle of the plate to be corrected can be arched and flattened, and straightness correction of the plate to be corrected is achieved; in the correction process, the first limiting groove and the second limiting 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 correcting the straightness of 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 phenomenon that the automobile longitudinal beam plate after the straightness correction is scrapped due to the fact that the buckling deformation is out of tolerance is avoided.
Drawings
FIG. 1 is a schematic view of an automobile longitudinal beam sheet stock straightness out-of-tolerance;
FIG. 2 is an isometric view of the automobile longitudinal beam plate straightness correction device of the present embodiment;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a front view of a first stop structure;
FIG. 5 is a top view of a first stop structure;
FIG. 6 is a side view of a first stop structure;
FIG. 7 is a side view of the automobile longitudinal beam plate straightness correcting device after a plate to be corrected is placed on the material bearing portion of the first limiting plate;
FIG. 8 is a schematic structural view of the lifting structure;
FIG. 9 is a side view of FIG. 8;
FIG. 10 is a view taken 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 structural view of the first sliding assembly applying the calibration force to the plate to be calibrated;
in the figure, 1, a base; 2. a first sliding assembly; 21. a first slider; 22. a fourth limiting plate; 23. a second upright post; 24. a third limiting plate; 25. a second limit groove; 3. a limiting structure; 31. a first limit plate; 311. a limiting part; 312. a material bearing part; 32. a first upright post; 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 support; 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 column; 73. a fifth limiting plate; 74. a fourth drive device; 75. a constant pressure cylinder; 76. a sixth limiting plate; 77. a fixed mount; 78. a guide post; 79. a third limiting groove; 8. and (5) correcting the plate.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
As shown in fig. 2 to 13, the automobile longitudinal beam plate linearity correcting device according to the preferred embodiment of the invention includes a base 1, a first sliding component 2 capable of sliding from the right side of the base 1 to the left side of the base 1 is disposed on the base 1, the positions of the base 1 at the two 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 arch-shaped protrusion 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 at the two sides of the second limiting groove 25 are located in the first limiting grooves 37 at the corresponding sides; the first driving device 4 is used for driving the first sliding assembly 2 to move towards the left side of the base 1, the first sliding assembly 2 applies thrust towards the left side of the base 1 to a middle protruding part of the plate 8 to be corrected, one side, far away from the first sliding assembly, of the plate 8 to be corrected is abutted against a stop piece arranged on the left side of the base 1, the arched protruding part of the plate 8 to be corrected can be pressed to be flush with the two sides of the plate 8 to be corrected, and straightness correction of the plate 8 to be corrected is achieved; in the correction process, the first limiting groove 37 and the second limiting groove 25 can stop the warping of the plate to be corrected in the thickness direction of the plate 8 to be corrected; therefore, the straightness correcting device for the automobile longitudinal beam plate can avoid the buckling deformation of the automobile longitudinal beam plate in the thickness direction when the straightness correcting is carried out on the automobile longitudinal beam plate.
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 column 32 fixedly connected to the left side of the base 1, a second limiting plate 33 slidably connected to the first upright column 32 and disposed 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, and 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 assembly 2 applies a thrust to the to-be-corrected plate 8 located in the first limiting groove 37, the surface of the to-be-corrected plate 8 needs to slide relative to the groove wall of the first limiting groove 37, so that a gap needs to be formed between the to-be-corrected plate 8 and the first limiting groove 37, and as the first sliding assembly 2 moves to the left side of the base 1, the to-be-corrected plate 8 deforms in the first limiting groove 37 and the second limiting groove 25, and the deformation causes the to-be-corrected plate 8 to warp; the warping of the plate 8 to be corrected can reduce the gap between the plate 8 to be corrected and the limiting groove, and if the gap value between the plate 8 to be corrected and the limiting groove is too small, the plate 8 to be corrected can be blocked in the limiting groove; if the clearance value between the plate 8 to be corrected and the limiting groove is too large, the warpage deformation of the plate 8 to be corrected is out of tolerance, and the corrected plate is scrapped due to warpage deformation. In this embodiment, the second driving device 34 can flexibly adjust the distance between the second limiting plate 33 and the first limiting plate 31.
Specifically, in the pressed state, the distance between each second stopper plate 33 and the corresponding first stopper plate 31 is determined by the following formula:
0.5mm≤D－T≤2mm；
in the formula, D represents a distance value, mm, between each of the second stopper plates 33 and the first stopper plate 31; t represents the value of the thickness, mm, of the sheet 8 to be corrected. Not only the plate 8 to be corrected is prevented from being stuck in the limiting groove, but also the warping deformation of the corrected plate is ensured to be within the tolerance range.
Specifically, because the automobile longitudinal beam sheet material is longer, limit structure 3 in this embodiment is the beam structure, and every limit structure 3 all is equipped with two at least first stands 32, through crossbeam 36 fixed connection between two first stands 32, the equal fixedly connected with second drive arrangement 34 in upper end of two first stands 32, and the both ends outside of crossbeam all slides the direction from top to bottom and is connected with deflector 35, and the both ends difference fixed connection of second limiting plate 33 is at the lower extreme of corresponding deflector 35. 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 plate 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 and the base 1 are arranged at an interval from top to bottom, the lifting mechanism 5 is arranged between the first limiting plate 31 and the base 1, the upper end of the lifting mechanism 5 is provided with the supporting beam 6, the upper end of the supporting beam 6 is provided with a plurality of rollers at intervals, and an opening for inserting the supporting beam 6 is arranged at the position of the first limiting plate 31 opposite to the supporting beam 6; when the device is used, the second limiting plate 33 is driven to ascend through the second driving device 34, so that the first limiting groove 37 is enlarged; 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 assembly 2 and each limiting structure 3, and the plate 8 to be corrected is convenient to place; thereafter, the plate material 8 to be corrected is placed on the stock 312, and the support beam 6 is raised by the elevating mechanism 5, so that each roller moves upwards and supports 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 sliding component 2 is driven by the first driving device 4 to move towards the left side of the base 1, so that the middle part of the plate 8 to be corrected enters the second limiting groove 25, the first sliding assembly 2 continues to move towards the left side of the base 1, the first sliding assembly 2 applies a pushing force to the plate 8 to be corrected towards the left side of the base 1, therefore, the two sides of the plate 8 to be corrected are pushed into the first limiting grooves 37, the roller can enable the plate 8 to be corrected to be separated from the first limiting plate 31, and the scratch of the plate 8 to be corrected caused by the first limiting plate 31 in the process of pushing the plate 8 to be corrected to move is avoided; after the plate 8 to be corrected is pushed into the first limiting groove 37, the supporting beam 6 is lowered through the lifting mechanism 5, so that each roller is lower than the upper end face of the first limiting 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 8 to be corrected is adjusted to 0.5mm to 2mm, and then a thrust force 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 of the material plate 8 to be corrected is corrected.
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 ends of the first connecting rod 52 and the second connecting rod 53 are hinged to 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 lifting mechanism 5 further comprises a fifth driving device 54, and the fifth driving device 54 is connected with the first link 52 or the second link 53 to drive the parallelogram structure to swing so as to lift or lower the support beam 6. The fifth driving device 54 is a pneumatic cylinder or a hydraulic cylinder, and the support beam 6 is lifted and lowered by 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 sliding block 21 slidably connected to the base 1, a fourth limiting plate 22 fixedly connected to the first sliding block 21, a second upright column 23 fixedly connected to the first sliding block 21, a third limiting plate 24 slidably disposed on the second upright column 23 and vertically spaced 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, first drive arrangement 4 is the pneumatic cylinder, first drive arrangement 4's output is connected with first slider 21, base 1 is the rectangle, be equipped with the guide rail of arranging along width direction on the base 1, the lower extreme of first slider 21 passes through the guide pin bushing and connects on the guide rail, the up end of fourth limiting plate 22 and the up end parallel and level of first limiting plate 31, elevating system 5 raises a supporting beam 6 the back, treat that the lower terminal surface of proofreading and correct panel 8 is a little higher than the up end of first limiting plate 31, thereby make and treat that proofreading and correct panel 8 advances, go out the in-process of first spacing groove 37 and second spacing groove 25 not by the fish tail.
It should be noted that the middle portion of the plate 8 to be corrected may be entirely located in the second limiting groove 25, or may be partially located in the second limiting groove 25, in this embodiment, as shown in fig. 1, 10, 11, and 12, the left side of the base 1 is slidably provided with the second sliding component 7 arranged opposite to the first sliding component 2, the second sliding component 7 is provided with the third limiting groove 79 arranged opposite to the second limiting groove 25, an end portion of the second sliding component 7 is attached to an end portion of the first sliding component 2, a part of the middle portion of the plate 8 to be corrected is located in the second limiting groove 25, and another part of the middle portion of the plate 8 to be corrected is located in the third limiting groove 79. Specifically, the part of the middle 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 part of the middle 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 buckling 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 buckling deformation of the plate 8 to be corrected, which is located in the second limiting groove 25.
In the present 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 to the second sliding assembly 7 toward the right side of the base 1, so that the end of the second sliding assembly 7 is attached to the end of the first sliding assembly 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 limiting 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 limiting groove 79; the first driving device 4 drives the first sliding component 2 and the second sliding component 7 to move towards the left side of the base 1. Specifically, under the thrust action of the constant pressure cylinder 75, the end of the second sliding assembly 7 is attached to the end of the first sliding assembly 2, and the driving force of the first driving device 4 is greater than the thrust action of the constant pressure cylinder 75, so that the first driving device 4 can drive the first sliding assembly 2 and the second sliding assembly 7 which are 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 on the second slider 71, a third column 72 fixed on the second slider 71, a fifth limiting plate 73 slidably disposed on the third column 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, wherein a third limiting groove 79 is formed between the fifth limiting plate 73 and the sixth limiting plate 76. Specifically, the lower end of the third upright post 72 is connected to the second slider 71, the upper end of the third upright post 72 is fixedly connected to the fixing frame 77, the fourth driving device 74 is disposed in the fixing frame 77 and is fixedly connected to the fixing frame 77, guide grooves extending up and down are disposed on two sides of the fixing frame 77, guide pillars 78 are connected to the guide grooves, and two ends of the fifth limiting plate 73 are connected to the lower ends of the corresponding guide pillars 78 respectively.
For a plate to be corrected with poor straightness, the middle of the plate to be corrected is arched seriously, and in the process of arching and flattening the middle of the plate to be corrected, the stress conditions of materials on two sides of a bending deformation neutral layer of the plate to be corrected are different, and the material on the inner side of the neutral layer can be subjected to tensile stress, so that the thickness of the material is thinned; the material located outside the neutral layer is subjected to compressive stress to cause the material to thicken; therefore, in the present embodiment, when the first sliding assembly 2 applies a pushing force for pushing the arched 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 25 is used for adjusting the interval between the third limiting plate 24 and the fourth limiting plate 22, and the fourth driving device 74 is used for adjusting the interval between the fifth limiting plate 73 and the sixth limiting plate 76, so that the gaps between the second limiting groove 26 and the third limiting groove 79 and the plate 8 to be corrected can be independently adjusted according to the plate thickness change condition in the correction process, and the warping deformation of the corrected plate is further reduced.
The device for correcting the straightness of the automobile longitudinal beam plate 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 cylinder 75 and each second driving device 31 are electrically connected with the control system, so that the straightness of the plate is automatically corrected.
The embodiment of the using method of the automobile longitudinal beam plate linearity correcting device comprises the following steps:
step S1: placing the plate 8 to be corrected in the first limit groove 37 with the arch-shaped convex side of the plate 8 to be corrected arranged toward the second limit groove 25;
step S2: the first driving device 4 is used for driving the first sliding assembly 2 to move to the left side of the base 1, and the plate 8 to be corrected is corrected;
step S3: and (3) driving the first sliding assembly 2 to move towards the right side of the base 1 by using the first driving device 4, and taking down the corrected plate from the automobile longitudinal beam plate linearity correcting device.
Wherein, step S1 includes:
step S11, adjusting the distance between each second stopper plate 33 and the first stopper plate 31 by using each second driving device 31; the distance between the third limiting plate 24 and the fourth limiting plate 22 is increased by using a 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 support beam 6 by the lifting mechanism 5;
step S13, the first driving device 4 is used to drive the first sliding component 2 to move to the left side of the base 1, and the plate 8 to be corrected on the material bearing part 312 is pushed into the first limiting groove 37;
step S14, dropping the support beam 6 by the lifting mechanism 5;
step S15, the distance between each second limiting plate 33 and the first limiting plate 31 is adjusted to be smaller by each second driving device 31, so that each first limiting groove 37 matches with the thickness of the plate 8 to be corrected; the distance between the third limiting plate 24 and the fourth limiting plate 22 is reduced by using a third driving device, 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 matches the thickness of the plate 8 to be corrected.
Step S2 includes:
step S21, driving the second sliding component 7 to move to the right side of the fixed seat 1 by using 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 towards the left side of the base 1, and the arched bulges of the plate 8 to be corrected are pressed to be flush with the two sides of the plate 8 to be corrected;
step S23, keeping the first sliding assembly 2 applying the pressure maintaining force to the plate 8 to be corrected for a first set time by the first driving device 4;
wherein the first set time is 2 seconds to 5 seconds.
Step S3 includes:
step S31, adjusting the distance between each second limiting plate 33 and the first limiting plate 31 by using each second driving device 34, so that each second limiting plate 33 is separated from the corrected plate; the distance between the third limiting plate 24 and the fourth limiting plate 22 is increased by using a third driving device, so that the third limiting plate 24 is separated from the corrected plate; the fourth driving device 74 is used for increasing the distance between the fifth limiting plate 73 and the sixth limiting plate 76, so that the fifth limiting plate 73 is separated from the corrected plate;
step S32, lifting each support beam 6 by the lifting mechanism 5, so that the lower end surface of the corrected plate is separated from the first limit plate 31;
step S33, driving the third limiting plate 24 to move downwards by using a third driving device, so that the lower end face of the third limiting plate 24 is attached to the upper end face of the corrected plate;
step S34, the first driving device 4 is used to drive the first sliding component 2 to move to the right side of the base 1, so that the corrected plate moves out of the first limiting groove 37 under the action of the friction force of the third limiting plate 24 and the fourth limiting plate 22;
step S35, driving the third limiting plate 24 to move upwards by using a third driving device, so that the upper end surface of the corrected plate is separated from the third limiting plate 24;
in step S36, the first driving device 4 is used to drive the first sliding component 2 to move to the right side of the base 1, so that the corrected plate is separated from the second limiting groove 25.
In summary, in the linearity correction device for the automobile longitudinal beam plate of the embodiment, two sides of the plate 8 to be corrected are respectively placed in the corresponding first limiting grooves 37, the middle bulge of the plate 8 to be corrected is located in the second limiting groove 25, the first driving device 4 drives the first sliding assembly 2 to move to the left side of the base 1, the first sliding assembly 2 applies a thrust force towards the left side of the base 1 to the middle bulge of the plate 8 to be corrected, the middle bulge of the plate 8 to be corrected can be flattened, and the linearity correction of the plate 8 to be corrected is realized; in the correction process, the first limiting groove 37 and the second limiting 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 automobile longitudinal beam plate with corrected straightness is prevented from being scrapped due to the out-of-tolerance buckling deformation.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. The automobile longitudinal beam plate linearity correction device is characterized by comprising a base (1), wherein a first sliding assembly (2) is arranged on the base (1) in a left-right sliding mode, limiting structures (3) are fixedly mounted at positions, located on two sides of the first sliding assembly (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 assembly (2) is provided with a second limiting groove (25) with an opening facing to the left side of the base (1), the middle of an arch-shaped bulge of a plate (8) to be corrected is located in the second limiting groove (25), and 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 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 extrude the plate to be corrected (8), so that the arched bulges of the plate to be corrected (8) are pressed to be parallel and level with the two sides of the plate to be corrected (8).
2. The automobile longitudinal beam plate linearity correction device according to claim 1, wherein 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 located on the right side of the first upright post (32), each first upright post (32) is slidably connected with a second limiting plate (33) arranged opposite to the corresponding first limiting plate (31) in the vertical direction, and the first limiting groove (37) is formed by the interval between the second limiting plate (33) and the first limiting plate (31); each limiting structure (3) comprises a second driving device (34) used for driving the second limiting plate (33) to slide up and down.
3. The vehicle side member plate linearity correction device according to claim 2, wherein a distance value between each second stopper plate (33) and the corresponding first stopper plate (31) when each second stopper plate (33) is in a depressed state is determined by the following equation:
T+0.5mm≤D≤T+2mm；
wherein D represents a distance value, mm, between each second limiting plate (33) and the corresponding first limiting plate (31); t represents the thickness value, mm, of the sheet (8) to be corrected.
4. The automobile side member plate straightness correction device according to claim 2, wherein the first stopper plate (31) includes a stopper portion (311) located directly below the second stopper plate (33) and a material receiving portion (312) extending to the right side of the base (1);
the first limiting plate (31) and the base (1) are arranged at an interval from top to bottom, 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), and a plurality of rollers are arranged at the upper end of the supporting beam (6) at intervals; an opening for inserting the supporting beam (6) is formed in the position, opposite to the supporting beam (6), of the first limiting plate (31).
5. The automobile side rail plate straightness correcting device according to claim 4, 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) rotatably connected to the bracket (51) up and down, 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 both hinged to the support beam (6); the first link (52), the second link (53), the support 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 as to enable the supporting beam (6) to ascend or descend.
6. The automobile longitudinal beam plate linearity correction device according to claim 2, characterized in that the first sliding assembly (2) comprises a first sliding block (21) connected with the base (1) in a sliding manner, 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 slider (21), a third limiting plate (24) which is vertically opposite to the fourth limiting plate (22) is arranged on the second upright post (23) in a sliding manner, and a second limiting groove (25) is formed between the third limiting plate (24) and the fourth limiting plate (22) at intervals;
the first sliding assembly (2) further comprises a third driving device for driving the third limiting plate (24) to move up and down.
7. The automobile longitudinal beam plate linearity correcting device according to claim 2, characterized in that a second sliding component (7) arranged opposite to the first sliding component (2) is arranged on the left side of the base (1) in a sliding and guiding manner, and a third limiting groove (79) arranged opposite to the second limiting groove is arranged on the second sliding component (7); the end part of the second sliding component (7) is jointed with the end part 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 limiting groove (25), and the other part of the middle part of the plate (8) to be corrected is positioned in the third limiting groove (79).
8. The automobile side rail plate straightness correcting device according to claim 7, wherein a constant pressure cylinder (75) is connected to a left side of the base (1), and the constant pressure cylinder (75) applies a pushing force to the second sliding assembly (7) toward a right side of the base (1) so that an end of the second sliding assembly (7) abuts against an end of the first sliding assembly (2);
the first driving device (4) drives the first sliding assembly (2) and the second sliding assembly (7) to move towards the left side of the base (1).
9. The automobile longitudinal beam plate linearity correcting device according to claim 7, wherein the second sliding assembly (7) comprises a second sliding block (71) connected with the base (1) in a sliding manner, 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) arranged opposite to the sixth limiting plate (76) in an up-and-down manner is slidably arranged on the third upright post (72), and the third limiting groove (79) is formed by 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.
10. A method of using the device for correcting the straightness of the automobile side rail plate according to any one of claims 1 to 9, comprising the steps of:
step S1: placing the plate (8) to be corrected in the first limiting groove (37) and enabling the arched convex side of the plate (8) to be corrected to face the second limiting groove (25);
step S2: the first sliding assembly (2) is driven by the first driving device (4) to move to the left side of the base (1), and a plate (8) to be corrected is corrected;
step S3: the first sliding assembly (2) is driven by the first driving device (4) to move to the right side of the base (1), and the corrected plate is taken down from the automobile longitudinal beam plate linearity correcting device.
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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 CN114669630B (en) | 2023-09-15 |
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| 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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2022
- 2022-04-01 CN CN202210357169.7A patent/CN114669630B/en active Active
Patent Citations (8)
| 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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|---|---|
| CN114669630B (en) | 2023-09-15 |
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