Multi-point splicing flexible straightening punching machine

Abstract

The invention relates to a multi-point splicing flexible straightening punching machine which comprises a supporting platform. A product overturning and positioning unit; the first stamping unit is used for stamping and straightening the product on the supporting platform; the second stamping unit is used for stamping and straightening the product on the supporting platform; the product scanning unit comprises a scanning horizontal driving device and scanning cameras, the scanning horizontal driving device drives the scanning cameras to move in the length direction of the product, and the scanning cameras are used for scanning and detecting the bending degree of the product. According to the multi-point splicing flexible straightening punching machine, firstly, the product position is adjusted through the product overturning and positioning unit, and then the bending point of a product is positioned through the multiple scanning cameras capable of moving in the length direction of the product; according to scanned information, multiple products are stamped and straightened through the multiple movable stamping devices or the multiple fixed stamping devices, the multi-product straightening device is particularly practical to long products, straightening is more efficient and convenient, the straightening strength can be better, and the overall practicability is higher.

Description

Technical Field

[0001] The invention relates to the technical field of straightening machines, in particular to a multi-point splicing flexible straightening punching machine. Background Art

[0002] Straightening is an important finishing process in the production process of metallurgical industry and machinery manufacturing industry, which determines the final quality and accuracy of metal profiles and mechanical parts. At present, most of them determine the bending direction by multi-point measurement in the longitudinal uniform area, and use the method of manual hammering to straighten the straightness. The straightening accuracy is difficult to meet the requirements, and workers usually need to try repeatedly.

[0003] With the rapid development of automation technology, straightening technology has gradually developed towards automation, numerical control and flexibility, and advanced straightening equipment has emerged. For example: China Patent No. 201620266820.X, published on November 9, 2016, discloses a patent document named a straightening device for short shaft parts. This straightening device is a single-station straightening device. During the workpiece straightness detection process, there is only one set of detection mechanisms, and the straightness detection of the entire workpiece is inaccurate, and the straightening head is in a waiting state. The detection result of this invention device is inaccurate, the straightening speed is slow, the production efficiency is low, and the degree of integration is insufficient. Especially for multi-scale bending with more bending deformation forms of profiles, it is somewhat difficult to use the technology in the above patent, because it is difficult to coordinate the deformation of each bend in the straightening process for multi-scale bending. Usually, it can only make several points on the guide rail on a straight line. This is obviously not up to the quality requirements for the straightening of profiles with certain straightness requirements. Summary of the invention

[0004] Therefore, the technical problem to be solved by the present invention is to overcome the problem in the prior art that the bent shapes of the profiles are various and the existing straightening equipment cannot be used to straighten such various bent profiles.

[0005] In order to solve the above technical problems, the present invention provides a multi-point splicing flexible straightening punching machine, comprising: a supporting platform, on which a product supporting plate for supporting column products is provided; a product flipping and positioning unit, which is arranged in two groups, and the product is arranged between the two groups of the product flipping and positioning units, and the product flipping and positioning units are used to define the ends of the products, and the product flipping and positioning units can flip the products 90 degrees; a first punching unit, which comprises a plurality of mobile punching devices, the plurality of mobile punching devices are in the same straight line, and the plurality of mobile punching devices are located on one side of the straight line where the two groups of the product flipping and positioning units are located, and the first punching unit comprises a plurality of mobile punching devices, the plurality of mobile punching devices are in the same straight line, and the plurality of mobile punching devices are located on one side of the straight line where the two groups of the product flipping and positioning units are located, and the first punching unit comprises a plurality of mobile punching devices, the plurality of mobile punching devices are in the same straight line, and the plurality of mobile punching devices are located on one side of the straight line where the two groups of the product flipping and positioning units are located, and the first punching unit comprises a plurality of mobile punching devices, the plurality of mobile punching devices are in the same straight line, and the plurality of mobile punching devices are located on the ... The dynamic stamping device is used for stamping and straightening the product on the product support plate; the second stamping unit includes a plurality of fixed stamping devices, the plurality of fixed stamping devices are on the same straight line, and the plurality of fixed stamping devices are located on the other side of the straight line where the two groups of product flipping and positioning units are located, and the fixed stamping device is used for stamping and straightening the product on the product support plate; the product scanning unit includes a scanning horizontal drive device and a plurality of scanning cameras, the plurality of scanning cameras are connected to the scanning horizontal drive device, the scanning horizontal drive device drives the plurality of scanning cameras to move along the length direction of the product, and the scanning cameras are used to scan and detect the curvature of the product.

[0006] In one embodiment of the present invention, the product flipping and positioning unit includes a linear module, a positioning horizontal slide, a positioning vertical upright plate, a flipping assembly and a product guide positioning assembly, the linear module is fixedly set on a supporting platform, the positioning horizontal slide and the slider of the linear module are fixedly connected, the positioning vertical upright plate is vertically set on the positioning horizontal slide, the flipping assembly is set on the positioning horizontal slide, and the flipping assembly is used to limit the end of the product, the product guide positioning assembly is set on the positioning vertical upright plate, and the product guide positioning assembly contacts the end of the product to adjust the horizontal position of the product.

[0007] In one embodiment of the present invention, the flipping assembly includes a first cylinder, a first cylinder mounting seat, an eccentric wheel, a connecting shaft and a flipping sleeve, the first cylinder mounting seat is fixedly mounted on a positioning horizontal slide, the first cylinder is mounted on the first cylinder mounting seat, and the first cylinder and the eccentric wheel are eccentrically connected, the eccentric wheel is connected to the flipping sleeve through a connecting shaft, the connecting shaft is mounted on a positioning vertical plate through a bearing, and the flipping sleeve is used to limit the end of the product and flip the product.

[0008] In one embodiment of the present invention, the product guiding positioning assembly includes a positioning drive cylinder and a positioning lifting plate, the positioning drive cylinder is fixedly mounted on the positioning vertical plate, the positioning lifting plate is connected to the output end of the positioning drive cylinder, and a positioning plane is provided on the side of the positioning lifting plate opposite to the product, and the positioning plane is in contact with the end face of the product.

[0009] In one embodiment of the present invention, the mobile stamping device includes a horizontal moving component and a mobile side stamping component, the horizontal moving component is installed on a supporting platform, the mobile side stamping component is arranged on the horizontal moving component, and the horizontal moving component is used to adjust the distance between the mobile side stamping component and the side of the product.

[0010] In one embodiment of the present invention, the movable side stamping assembly and the fixed stamping device have the same structure, and both the movable side stamping assembly and the fixed stamping device include a base plate, a stamping drive cylinder, two symmetrically arranged connecting rod assemblies, a movable block and a stamping head. The stamping drive cylinder is installed on the base plate, and the output end of the stamping drive cylinder is connected to the movable block through the connecting rod assembly. The stamping head is connected to the end face of the movable block relative to the product, and the stamping drive cylinder drives the stamping head through the connecting rod assembly to stamp and straighten the product.

[0011] In one embodiment of the present invention, the connecting rod assembly includes a first rotating shaft, a first connecting rod, a second rotating shaft, a second connecting rod, a third connecting rod, a first hinged fixing piece, a second hinged fixing piece, a third rotating shaft and a fourth rotating shaft, the output end of the stamping drive cylinder is connected with a adapter, one end of the first connecting rod is hinged with the first rotating shaft and the adapter, the other end of the first connecting rod is hinged with the second connecting rod and the third connecting rod through the second rotating shaft, the second connecting rod is hinged with the first hinged fixing piece through the third rotating shaft, the third connecting rod is hinged with the second hinged fixing piece through the fourth rotating shaft, the second hinged fixing piece is fixedly mounted on the moving block, and the first hinged fixing piece is fixedly connected with the base plate through a connecting piece.

[0012] In one embodiment of the present invention, four side panels are provided on the bottom plate, the four side panels form a rectangular box shape, the stamping drive cylinder is installed on one of the side panels, and a top panel is provided above the four side panels.

[0013] In one embodiment of the present invention, the corners and edges of the end of the punch head opposite to the product are both rounded.

[0014] In one embodiment of the present invention, the scanning horizontal drive device includes a scanning support frame, a scanning drive motor, a scanning drive active wheel, a scanning drive driven wheel and a gear belt, the scanning drive motor is installed on the scanning support frame, and the output end of the scanning drive motor is connected to the scanning drive active wheel, the scanning drive active wheel is connected to the scanning drive driven wheel through the gear belt, the scanning drive active wheel and the scanning drive driven wheel are both installed on the scanning support frame, the gear belt is connected to a plurality of gear belt clamps, the plurality of gear belt clamps and a plurality of scanning cameras are arranged one by one, and the gear belt clamps are connected to the scanning cameras.

[0015] The above technical solution of the present invention has the following beneficial effects compared with the prior art: The multi-point splicing flexible straightening punching machine described in the present invention uses a product flipping and positioning unit to adjust the product position, and then uses a plurality of scanning cameras that can move along the length direction of the product to locate the bending point of the product. According to the scanned information, multiple products are punched and straightened by a plurality of mobile punching devices or a plurality of fixed punching devices. This is particularly practical for longer products, and straightening is more efficient and convenient, with better straightening force and stronger overall practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to make the content of the present invention more clearly understood, the present invention is further described in detail below according to specific embodiments of the present invention in conjunction with the accompanying drawings, wherein Figure 1 The structure of the multi-point splicing flexible straightening punching machine in the preferred embodiment of the present invention is shown in FIG. Figure 1 ; Figure 2 The structure of the multi-point splicing flexible straightening punching machine in the preferred embodiment of the present invention is shown in FIG. Figure 2 ; Figure 3 The structure of the product flipping and positioning unit in the preferred embodiment of the present invention is shown in FIG. Figure 1 ; Figure 4 The structure of the product flipping and positioning unit in the preferred embodiment of the present invention is shown in FIG. Figure 2 ; Figure 5 The structure of the product flipping and positioning unit in the preferred embodiment of the present invention is shown in FIG. Figure 3 ; Figure 6 The structure of the mobile punching device in the preferred embodiment of the present invention is shown in FIG. Figure 1 ; Figure 7 The structure of the mobile punching device in the preferred embodiment of the present invention is shown in FIG. Figure 2 ; Figure 8 The structure of the mobile side punching assembly or the fixed punching device in the preferred embodiment of the present invention is schematically shown. Figure 1 ; Fig. 9 The structure of the mobile side punching assembly or the fixed punching device in the preferred embodiment of the present invention is shown in FIG. Figure 2 ; Fig.10 It is a schematic diagram of the installation structure of the product scanning unit in the preferred embodiment of the present invention; Fig.11 It is a schematic diagram of the overall structure of a product scanning unit in a preferred embodiment of the present invention; Fig.12 It is a partial structural schematic diagram of a product scanning unit in a preferred embodiment of the present invention; Fig.13 It is a schematic diagram of the partial structure of the product scanning unit in the preferred embodiment of the present invention.

[0017] Description of the accompanying drawings in the specification: support platform 1, product flip positioning unit 2, linear module 21, positioning horizontal slide plate 22, positioning vertical stand 23, flip assembly 24, first cylinder 241, first cylinder mounting seat 242, eccentric wheel 243, connecting shaft 244, flip sleeve 245, rectangular groove 246, tapered surface 247, product guide positioning assembly 25, positioning drive cylinder 251, positioning lifting plate 252, positioning plane 253, waist-shaped hole 254, product guide plate 255, guide surface 256, mobile stamping device 3, horizontal moving assembly 31, horizontal drive motor 311, motor mounting seat 312, horizontal drive screw 313, first linear guide rail 314, first slider 315, mobile side stamping assembly 32, fixed stamping device 4, bottom plate 41, side plate 411 , top plate 412, rectangular through hole 413, stamping guide rail 414, stamping slider 415, stamping drive cylinder 42, connecting rod assembly 43, first rotating shaft 431, first connecting rod 432, second rotating shaft 433, second connecting rod 434, third connecting rod 435, first hinged fixing piece 436, second hinged fixing piece 437, third rotating shaft 438, fourth rotating shaft 439, moving block 44, stamping head 45, product scanning unit 5, scanning horizontal driving device 51, scanning support frame 511, scanning driving motor 512, scanning driving active wheel 513, scanning driving driven wheel 514, gear belt 515, gear belt clamp 516, scanning slide plate 517, scanning slider 518, scanning linear guide rail 519, scanning camera 52, first stamping unit 100, second stamping unit 200. DETAILED DESCRIPTION

[0018] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0019] Reference Figure 1 As shown, the multi-point splicing flexible straightening punching machine of the present invention comprises: a supporting platform 1, a product flipping and positioning unit 2, a first punching unit 100, a second punching unit 200 and a product scanning unit 5. The supporting platform 1 serves as an integral supporting component. The product flipping and positioning unit 2 is used to position the product in the length direction and flip the product 90° to maintain the stability of the product during the stamping and straightening process. The first punching unit 100 and the second punching unit 200 are respectively arranged on both sides of the product, and the punching parts in the first punching unit 100 and the second punching unit 200 are staggered with each other, so that the product can be punched from both sides of the product. The product scanning unit 5 scans in the length direction of the product.

[0020] Specifically, refer to Figure 1 , 2As shown, at least one product support plate 11 is provided on the support platform 1, and the product support plate 11 is a rectangular flat plate, and the product support plate 11 is used to support the product; the product flip positioning unit 2 is provided in two groups, and the product flip positioning unit 2 is used for positioning at both ends of the length direction of the product, and the product is arranged between the two groups of the product flip positioning units 2; the two groups of the product flip positioning units 2 are arranged at both ends of the length direction of the support platform 1, and the two groups of the product flip positioning units 2 are arranged oppositely, and the product support plate 11 is located on the straight line where the two groups of the product flip positioning units 2 are located, so that the product support plate 11 is located at the two ends. The product flipping and positioning unit 2 of the group determines the position of the product, and is used for supporting the product measurement and straightening process. The horizontal position of the product can be adjusted along the length direction of the support platform 1 through the product flipping and positioning unit 2; the first stamping unit 100 includes a plurality of mobile stamping devices 3, the plurality of mobile stamping devices 3 are in the same straight line, and the plurality of mobile stamping devices 3 are located on one side of the straight line where the two groups of product flipping and positioning units 2 are located, and the mobile stamping devices 3 are used for stamping and straightening the product on the product support plate 11; that is, the plurality of mobile stamping devices 3 are located on the long side of one side of the rectangular support platform 1; the second stamping unit 100 includes a plurality of mobile stamping devices 3, the plurality of mobile stamping devices 3 are in the same straight line, and the plurality of mobile stamping devices 3 are located on one side of the straight line where the two groups of product flipping and positioning units 2 are located, and the mobile stamping devices 3 are used for stamping and straightening the product on the product support plate 11; that is, the plurality of mobile stamping devices 3 are located on the long side of one side of the rectangular support platform 1; The pressing unit 200 includes a plurality of fixed punching devices 4, which are located on the same straight line, and the plurality of fixed punching devices 4 are located on the other side of the straight line where the two groups of product flipping and positioning units 2 are located, and the fixed punching devices 4 are used for punching and straightening the product on the product support plate 11; that is, the plurality of fixed punching devices 4 are located on the long side of the other side of the rectangular support platform 1, and the two groups of product flipping and positioning units 2 limit the product between the straight line where the plurality of mobile punching devices 3 are located and the straight line where the plurality of fixed punching devices 4 are located, and the plurality of mobile punching devices 3 and the plurality of fixed punching devices 4 are respectively located from both sides of the product The product is punched and straightened, and a plurality of mobile punching devices 3 and a plurality of fixed punching devices 4 are arranged alternately, that is, the punching point of the mobile punching device 3 is located between the punching points of the two fixed punching devices 4, and the punching point of the fixed punching device 4 is located between the punching points of the two mobile punching devices 3; the product scanning unit 5 includes a scanning horizontal drive device 51 and a plurality of scanning cameras 52, the plurality of scanning cameras 52 are connected to the scanning horizontal drive device 51, the scanning horizontal drive device 51 drives the plurality of scanning cameras 52 to move along the length direction of the product, and the scanning cameras 52 are used to scan and detect the curvature of the product. The product scanning unit 5 is arranged on the support platform 1 or the fixed punching device 4. Preferably, a plurality of scanning cameras 52 are connected to the scanning horizontal drive device 51 at uniform intervals, and the plurality of scanning cameras 52 are in the same straight line. The scanning horizontal drive device 51 drives the plurality of scanning cameras 52 to move along the length direction of the product, and a plurality of scanning cameras 52 are used to scan a plurality of points in the length direction of the product, so as to determine the curvature at different points, so as to facilitate a plurality of mobile stamping devices 3 and a plurality of fixed stamping devices 4 to stamp and straighten the product.

[0021] Reference Figure 3 As shown, the product flipping and positioning unit 2 includes a linear module 21, a positioning horizontal slide plate 22, a positioning vertical upright plate 23, a flipping assembly 24 and a product guide positioning assembly 25. The linear module 21 is fixedly arranged on the support platform 1, the positioning horizontal slide plate 22 is fixedly connected to the slider of the linear module 21, the positioning vertical upright plate 23 is vertically arranged on the positioning horizontal slide plate 22, the flipping assembly 24 is arranged on the positioning horizontal slide plate 22, and the flipping assembly 24 is used to further turn the product 90°, the product guide positioning assembly 25 is arranged on the positioning vertical upright plate 23, and the product guide positioning assembly 25 contacts the end of the product to adjust the horizontal position of the product. The moving direction of the slider of the linear module 21 is the same as the length direction of the product. The positioning vertical upright plate 23 and the positioning horizontal slide plate 22 are arranged in a "T" shape.

[0022] Reference Figure 4 , 5 As shown, the flipping assembly 24 includes a first cylinder 241, a first cylinder mounting seat 242, an eccentric wheel 243, a connecting shaft 244 and a flipping sleeve 245. The first cylinder mounting seat 242 is fixedly mounted on the positioning horizontal slide 22. The first cylinder 241 is mounted on the first cylinder mounting seat 242, and the first cylinder 241 and the eccentric wheel 243 are eccentrically connected. The eccentric wheel 243 is connected to the flipping sleeve 245 through a connecting shaft 244. The connecting shaft 244 is mounted on the positioning vertical stand 23 through a bearing. The flipping sleeve 245 is used to limit the end of the product and flip the product. The output end of the first cylinder 241 and the eccentric wheel 243 connecting rod cam eccentric structure, the piston rod of the first cylinder 241 extends or retracts to drive the eccentric wheel 243 to rotate, and the eccentric wheel 243 drives the flip sleeve 245 to rotate. When the two groups of product flip positioning units 2 synchronously drive the flip sleeve 245 to rotate according to the control instruction, the product is driven to rotate as a whole, thereby adjusting the surface of the product that needs to be straightened. The flip sleeve 245 is a rectangular body, and a rectangular groove 246 is provided on the side of the flip sleeve 245 opposite to the product. The cross-sectional area of ​​the rectangular groove 246 is slightly larger than the cross-sectional area of ​​the product. The inner wall of the rectangular groove 246 near the product is set with a conical surface 247. By setting the conical surface 247 on the four sides of the inner wall of the rectangular groove 246, the opening area of ​​the rectangular groove 246 near one end of the product is enlarged. In this way, when the product is inserted into the rectangular groove 246, the end of the product is conveniently inserted into the rectangular groove 246 through the guidance of the conical surface 247.

[0023] Reference Figure 4 , 5As shown, the product guide positioning assembly 25 includes a positioning drive cylinder 251 and a positioning lifting plate 252. The positioning drive cylinder 251 is fixedly mounted on the positioning vertical plate 23. The positioning lifting plate 252 is connected to the output end of the positioning drive cylinder 251. The positioning lifting plate 252 is provided with a positioning plane 253 on the side opposite to the product. The positioning plane 253 contacts the end surface of the product. The upper end of the positioning lifting plate 252 is connected to the output end of the positioning drive cylinder 251. The positioning plane 253 is arranged on the lower end of the positioning lifting plate 252. Four waist-shaped holes 254 are arranged at the position of the positioning plane 253. The four waist-shaped holes 254 are respectively located at the four corners of the rectangular cross section. A product guide plate 255 is installed at the position of every two of the four waist-shaped holes 254. The product guide plate 255 is locked at the position of the waist-shaped hole 254 by a fastener. By adjusting the relative position between the product guide plate 255 and the waist-shaped hole 254, the distance between the two product guide plates 255 is adjusted to adapt to products of different widths. In order to facilitate guiding the product, a guide surface 256 is provided at the end of the product guide plate 255 opposite to the product. The guide surfaces 256 of the two product guide plates 255 are arranged in an outward "eight" shape. In this way, by setting the outward-expanding guide surface 256, it is convenient to guide the product between the two product guide plates 255 and abut against the positioning plane 253.

[0024] Reference Figure 6 , 7 As shown, the mobile stamping device 3 includes a horizontal moving component 31 and a mobile side stamping component 32. The horizontal moving component 31 is installed on the supporting platform 1, and the mobile side stamping component 32 is arranged on the horizontal moving component 31. The horizontal moving component 31 is used to adjust the distance between the mobile side stamping component 32 and the side of the product. The horizontal moving assembly 31 includes a horizontal driving motor 311, a motor mounting seat 312, a horizontal driving screw 313, a first linear guide 314 and a first slider 315. The motor mounting seat 312 is fixedly mounted on the support platform 1, the horizontal driving motor 311 is mounted on the motor mounting seat 312, the horizontal driving screw 313 is connected to the rotating shaft of the horizontal driving motor 311, the horizontal driving screw 313 and the first linear guide 314 are both arranged on the support platform 1, and the horizontal driving screw 313 and the first linear guide 314 are arranged in parallel, the first slider 315 is connected to the moving side stamping assembly 32, the moving side stamping assembly 32 is connected to the nut pair of the horizontal driving screw 313, the first slider 315 is arranged on the first linear guide 314, and the first slider 315 can slide along the first linear guide 314, so as to adjust the distance between the moving side stamping assembly 32 and the product.

[0025] Reference Figure 8 , 9As shown, the structure of the mobile side punching assembly 32 and the fixed punching device 4 is the same, and the mobile side punching assembly 32 and the fixed punching device 4 both include a bottom plate 41, a punching drive cylinder 42, two symmetrically arranged connecting rod assemblies 43, a moving block 44 and a punching head 45. The punching drive cylinder 42 is installed on the bottom plate 41, and the output end of the punching drive cylinder 42 is connected to the moving block 44 through the connecting rod assembly 43. The punching head 45 is connected to the end surface of the moving block 44 relative to the product, and the punching drive cylinder 42 drives the punching head 45 to punch and straighten the product through the connecting rod assembly 43. For the mobile punching device 3, its bottom plate 41 is connected to the first slider 315, so the bottom plate 41 can be close to or away from the product under the drive of the horizontal moving assembly 31.

[0026] Reference Fig. 9 As shown, the connecting rod assembly 43 includes a first rotating shaft 431, a first connecting rod 432, a second rotating shaft 433, a second connecting rod 434, a third connecting rod 435, a first hinged fixing piece 436, a second hinged fixing piece 437, a third rotating shaft 438 and a fourth rotating shaft 439, the output end of the stamping drive cylinder 42 is connected with a adapter 421, one end of the first connecting rod 432 is hinged to the first rotating shaft 431 and the adapter 421, the other end of the first connecting rod 432 is hinged to the second connecting rod 434 and the third connecting rod 435 through the second rotating shaft 433, the second connecting rod 434 is hinged to the first hinged fixing piece 436 through the third rotating shaft 438, the third connecting rod 435 is hinged to the second hinged fixing piece 437 through the fourth rotating shaft 439, the second hinged fixing piece 437 is fixedly installed on the moving block 44, and the first hinged fixing piece 436 is fixedly connected to the base plate 41 through a connecting piece. The first connecting rod 432, the second connecting rod 434 and the third connecting rod 435 are arranged in a "Y" shape, and the second rotating shaft 433 is located at the center point where the first connecting rod 432, the second connecting rod 434 and the third connecting rod 435 intersect and are hinged. The piston rod of the stamping driving cylinder 42 is extended or retracted to drive the first connecting rod 432 to rotate around the second rotating shaft 433 and pull the second rotating shaft 433 to move, thereby driving the second connecting rod 434 and the third connecting rod 435 to rotate relative to the second rotating shaft 433, the second connecting rod 434 rotates around the first hinged fixing piece 436, and the second connecting rod 434 rotates around the second hinged fixing piece 437. During the position change process of the second connecting rod 434 and the third connecting rod 435, a "V" shape structure is formed, thereby changing the position of the moving block 44.

[0027] In the above structure, the bottom plate 41 is provided with four side plates 411, and the four side plates 411 are surrounded by a rectangular box shape. The stamping drive cylinder 42 is installed on one of the side plates 411, and a top plate 412 is provided above the four side plates 411. A rectangular through hole 413 is provided on the other side plate 411 opposite to the side plate 411 on which the stamping drive cylinder 42 is installed, and the stamping head 45 passes through the rectangular through hole 413. Stamping guide rails 414 are provided on the two side plates 411 adjacent to the side plate 411 on which the stamping drive cylinder 42 is installed and on the bottom plate 41. The moving block 44 is a rectangular block, and a stamping slider 415 is connected to the bottom surface of the moving block 44 and two of the side plates 411. The stamping slider 415 is arranged on the stamping guide rail 414, and the stamping slider 415 can slide along the stamping guide rail 414. The first hinged fixing member 436 is mounted on one of the side panels 411 .

[0028] In the above structure, the corners and edges of the end of the punch head 45 opposite to the product are all rounded. By setting the rounded corners, it is possible to prevent the sharp position of the punch head 45 from damaging the product.

[0029] Reference Figure 10-13 As shown, the scanning horizontal drive device 51 includes a scanning support frame 511, a scanning drive motor 512, a scanning drive active wheel 513, a scanning drive driven wheel 514 and a gear belt 515. The scanning drive motor 512 is installed on the scanning support frame 511, and the output end of the scanning drive motor 512 is connected to the scanning drive active wheel 513. The scanning drive active wheel 513 is connected to the scanning drive driven wheel 514 through the gear belt 515. The scanning drive active wheel 513 and the scanning drive driven wheel 514 are both installed on the scanning support frame 511. A plurality of gear belt clamps 516 are connected to the gear belt 515. The plurality of gear belt clamps 516 and the plurality of scanning cameras 52 are arranged in a one-to-one correspondence, and the gear belt clamps 516 are connected to the scanning cameras 52. The gear belt clamp 516 is connected to a scanning slide 517, the scanning camera 52 is mounted on the scanning slide 517, the scanning slide 517 is connected to a scanning slider 518, a scanning linear guide 519 is provided on the scanning support frame 511, the scanning linear guide 519 is arranged parallel to the gear belt 515, the scanning slider 518 is arranged on the scanning linear guide 519, and the scanning slider 518 can slide along the scanning linear guide 519.

[0030] Obviously, the above embodiments are merely examples for clear explanation and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the protection scope of the invention.

Claims

1. A multi-point splicing flexible straightening punching machine, characterized in that: include: a support platform on which a product support plate for supporting column products is provided; The product flipping and positioning units are arranged in two groups, the product is arranged between the two groups of the product flipping and positioning units, the product flipping and positioning units are used to define the ends of the product, and the product flipping and positioning units can flip the product by 90°; A first punching unit, comprising a plurality of mobile punching devices, the plurality of mobile punching devices are located on the same straight line, and the plurality of mobile punching devices are located on one side of the straight line where the two groups of product flipping and positioning units are located, and the mobile punching devices are used for punching and straightening the product on the product support plate; The second punching unit comprises a plurality of fixed punching devices, the plurality of fixed punching devices are on the same straight line, and the plurality of fixed punching devices are located on the other side of the straight line where the two groups of product flipping and positioning units are located, and the fixed punching devices are used for punching and straightening the product on the product support plate; The product scanning unit includes a scanning horizontal drive device and a plurality of scanning cameras. The plurality of scanning cameras are connected to the scanning horizontal drive device. The scanning horizontal drive device drives the plurality of scanning cameras to move along the length direction of the product. The scanning cameras are used to scan and detect the curvature of the product.

2. The multi-point splicing flexible straightening punching machine according to claim 1 is characterized in that: The product flipping and positioning unit includes a linear module, a positioning horizontal slide, a positioning vertical plate, a flipping assembly and a product guide positioning assembly. The linear module is fixedly arranged on a supporting platform. The positioning horizontal slide and the slider of the linear module are fixedly connected. The positioning vertical plate is vertically arranged on the positioning horizontal slide. The flipping assembly is arranged on the positioning horizontal slide, and the flipping assembly is used to limit the end of the product. The product guide positioning assembly is arranged on the positioning vertical plate, and the product guide positioning assembly contacts the end of the product to adjust the horizontal position of the product.

3. The multi-point splicing flexible straightening punching machine according to claim 2 is characterized in that: The flipping assembly includes a first cylinder, a first cylinder mounting seat, an eccentric wheel, a connecting shaft and a flipping sleeve. The first cylinder mounting seat is fixedly mounted on a positioning horizontal slide. The first cylinder is mounted on the first cylinder mounting seat. The first cylinder and the eccentric wheel are eccentrically connected. The eccentric wheel is connected to the flipping sleeve through a connecting shaft. The connecting shaft is mounted on a positioning vertical plate through a bearing. The flipping sleeve is used to limit the end of the product and flip the product.

4. The multi-point splicing flexible straightening punching machine according to claim 2 or 3, characterized in that: The product guiding and positioning assembly includes a positioning drive cylinder and a positioning lifting plate. The positioning drive cylinder is fixedly mounted on a positioning vertical plate. The positioning lifting plate is connected to the output end of the positioning drive cylinder. A positioning plane is provided on the side of the positioning lifting plate opposite to the product. The positioning plane contacts the end face of the product.

5. The multi-point splicing flexible straightening punching machine according to claim 1 is characterized in that: The mobile stamping device includes a horizontal moving component and a mobile side stamping component. The horizontal moving component is installed on a supporting platform, and the mobile side stamping component is arranged on the horizontal moving component. The horizontal moving component is used to adjust the distance between the mobile side stamping component and the side of the product.

6. The multi-point splicing flexible straightening punching machine according to claim 5 is characterized in that: The movable side stamping assembly and the fixed stamping device have the same structure, and both the movable side stamping assembly and the fixed stamping device include a base plate, a stamping drive cylinder, two symmetrically arranged connecting rod assemblies, a movable block and a stamping head. The stamping drive cylinder is installed on the base plate, and the output end of the stamping drive cylinder is connected to the movable block through the connecting rod assembly. The stamping head is connected to the end face of the movable block relative to the product. The stamping drive cylinder drives the stamping head through the connecting rod assembly to stamp and straighten the product.

7. The multi-point splicing flexible straightening punching machine according to claim 6 is characterized in that: The connecting rod assembly includes a first rotating shaft, a first connecting rod, a second rotating shaft, a second connecting rod, a third connecting rod, a first hinged fixing piece, a second hinged fixing piece, a third rotating shaft and a fourth rotating shaft. The output end of the stamping drive cylinder is connected with a adapter. One end of the first connecting rod is hinged with the first rotating shaft and the adapter. The other end of the first connecting rod is hinged with the second connecting rod and the third connecting rod through the second rotating shaft. The second connecting rod is hinged with the first hinged fixing piece through the third rotating shaft. The third connecting rod is hinged with the second hinged fixing piece through the fourth rotating shaft. The second hinged fixing piece is fixedly mounted on the moving block. The first hinged fixing piece is fixedly connected with the base plate through a connecting piece.

8. The multi-point splicing flexible straightening punching machine according to claim 7 is characterized in that: The bottom plate is provided with four side plates, the four side plates are surrounded into a rectangular box shape, the stamping drive cylinder is installed on one of the side plates, and a top plate is provided above the four side plates.

9. The multi-point splicing flexible straightening punching machine according to claim 8, characterized in that: The corners and edges of the end of the punch head opposite to the product are all rounded.

10. The multi-point splicing flexible straightening punching machine according to claim 1, characterized in that: The scanning horizontal drive device includes a scanning support frame, a scanning drive motor, a scanning drive active wheel, a scanning drive driven wheel and a gear belt. The scanning drive motor is installed on the scanning support frame, and the output end of the scanning drive motor is connected to the scanning drive active wheel. The scanning drive active wheel is connected to the scanning drive driven wheel through a gear belt. The scanning drive active wheel and the scanning drive driven wheel are both installed on the scanning support frame. A plurality of gear belt clamps are connected to the gear belt. The plurality of gear belt clamps and a plurality of scanning cameras are arranged in a one-to-one correspondence. The gear belt clamps are connected to the scanning cameras.

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