Automatic guide rail calibration machine

Abstract

The present invention relates to the technical field of guide rail processing, and discloses an automatic guide rail correction machine, including a machine base; a track beam; a pressure output mechanism; a bidirectional double top block mechanism including two top block mechanisms 1 with adjustable left and right positions and adjustable spacing; a unidirectional double top block mechanism including two top block mechanisms 2 with adjustable left and right positions and adjustable spacing; a workpiece clamping and twisting mechanism capable of realizing up and down displacement on the machine base, and capable of clamping the workpiece and driving the workpiece to rotate around its own axis; a double movable clamping support mechanism consisting of two groups of movable clamping support devices capable of moving forward and backward along the axis direction of the track beam. The present invention can accurately locate the actual bending position of the workpiece, and can automatically adjust the positions of the corresponding two top blocks according to the bending span size and bending direction of the workpiece, and adopt the most suitable top block spacing for bending spans of different shapes, thereby improving the correction efficiency and correction accuracy of the equipment, reducing the number of corrections, and improving the work rhythm.

Description

Technical Field

[0001] The present invention relates to the technical field of guide rail processing, and more specifically, to an automatic guide rail correction machine. Background Art

[0002] Since the guide rail will deform after production, processing and heat treatment, resulting in unsatisfactory straightness (bending deformation) and flatness (torsion deformation), it cannot meet the assembly accuracy requirements, affecting the quality of the final product and even causing a large amount of waste. Therefore, it is necessary to make appropriate corrections to the guide rail according to its specific conditions.

[0003] The guide rail correction machines currently on the market do not have ideal correction accuracy and efficiency for workpieces and cannot meet the use requirements. Based on this situation, it is necessary to develop an automatic guide rail correction machine to meet the differentiated needs of different customers. Summary of the invention

[0004] In view of this, the present invention proposes an automatic guide rail correction machine, which aims at the deficiencies of the prior art and satisfies customers' demand for high-precision and high-efficiency correction machines by solving the problems of low correction accuracy and efficiency of existing correction equipment.

[0005] To achieve the above object, the present invention adopts the following technical solutions:

[0006] An automatic guide rail correction machine, comprising:

[0007] Machine base;

[0008] A track beam, which is arranged on the lower side of the machine base and supported by a beam support; the machine base and the track beam are not connected, and the two are fixed to the ground through corresponding supports at the bottom;

[0009] The pressure output mechanism comprises a pressure output bearing beam 1 and a pressure output bearing beam 2 on the same horizontal plane; the axis extension direction of the track beam is defined as the front-rear direction, and the pressure output bearing beam 1 is arranged at the left position inside the machine base above the track beam, and the pressure output bearing beam 2 is arranged at the right position; the pressure output bearing beam 1 is controlled by a pressure output assembly installed on the machine base to approach or move away from the pressure output bearing beam 2, and the pressure output bearing beam 2 is directly fixed to the machine base;

[0010] A bidirectional double top block mechanism, installed on the pressure output bearing beam 1, comprising two top block mechanisms 1 with adjustable left and right positions and adjustable spacing;

[0011] A unidirectional double top block mechanism is installed on the pressure output bearing beam 2, and includes two top block mechanisms 2 whose left and right positions are adjustable and whose spacing is adjustable; the two top block mechanisms 1 provide pressure points for the workpiece, and the two top block mechanisms 2 provide force points for the workpiece, and the two top block mechanisms 1 cooperate with the two top block mechanisms 2 to straighten the curved section of the workpiece;

[0012] A workpiece clamping and twisting mechanism is installed on the outside of one end of the machine base in the front-rear direction and can achieve up-and-down displacement on the machine base; the workpiece clamping and twisting mechanism can clamp the workpiece and drive the workpiece to rotate around its own axis;

[0013] The double movable clamping support mechanism is composed of two groups of movable clamping support devices installed on the front and rear sides of the track beam. Each group of the movable clamping support devices is provided with a clamping block component for clamping the workpiece, and the left and right positions of the clamping block components are adjustable; the movable clamping support device can also move forward and backward along the axial direction of the track beam to achieve adjustable spacing between the two groups of movable clamping support devices.

[0014] Preferably, the automatic guide rail correction machine also includes a laser scanning mechanism, which is installed on the inner side of one end of the upper part of the machine base in the front-to-back direction. The laser scanning mechanism can move up and down on the machine base, and the laser scanning mechanism is also provided with a laser scanner with automatically adjustable angle.

[0015] Preferably, the laser scanner is a non-contact 3D laser scanner.

[0016] Preferably, the laser scanning mechanism includes a laser scanning mechanism mounting seat fixed to the inner side of the machine base, a slide groove and a cylinder body of a cylinder 1 are installed on the laser scanning mechanism mounting seat, a vertical guide rail is slidably installed on the slide groove, a vertical piston rod in the cylinder 1 is fixedly connected to the guide rail, a side plate is installed on the outer side of the guide rail, a servo motor 1 is fixed on the side plate, a synchronous wheel 1 is installed on the output shaft of the servo motor 1, a synchronous wheel 2 is rotatably installed on the guide rail below the synchronous wheel 1, a belt 1 is wrapped around the synchronous wheel 1 and the synchronous wheel 2, and the laser scanner is externally connected to the synchronous wheel 2; the cylinder 1 is extended and retracted to drive the laser scanner to move up and down along the guide rail, and the servo motor 1 rotates to drive the laser scanner to achieve angle adjustment.

[0017] Preferably, the pressure output component includes a servo motor 2 installed on the base outside the pressure output bearing beam 1, and a pressure output device is installed on the base in the front and rear directions of the servo motor 2. The outer end of the pressure output device away from the pressure output bearing beam 1 is a screw rotating head, and the inner end close to the pressure output bearing beam 1 is a screw nut head that matches the corresponding screw in the screw rotating head. The two screw nut heads are integrally fixed to the pressure output bearing beam 1; the output shaft of the servo motor 2 is synchronously connected to the screw rotating heads of the two pressure output devices through a belt 2, and the servo motor 2 drives the corresponding screw in the screw rotating head to rotate, thereby driving the pressure output bearing beam 1 on the two screw nut heads to approach or move away from the pressure output bearing beam 2.

[0018] Preferably, the ends of the pressure output bearing beam 1 and the pressure output bearing beam 2 that are close to each other are each correspondingly installed with a slide rail parallel to the axis of the track crossbeam; a rotating wheel is respectively installed at the front and rear positions below each of the slide rails, a belt 3 is wrapped around the two rotating wheels, and one of the rotating wheels is driven to rotate by a corresponding servo motor 3; the lower transmission belt of the belt 3 is connected to one of the top block mechanisms 1 or the top block mechanisms 2 through a clip 1 fixed thereon, and the upper transmission belt of the belt 3 is connected to the other top block mechanism 1 or the top block mechanism 2 through a clip 2 fixed thereon, and the two top block mechanisms 1 or the two top block mechanisms 2 are respectively slidably installed on the slide rails of the pressure output bearing beams on the corresponding sides, and the servo motor 3 drives the two top block mechanisms 1 or the two top block mechanisms 2 to adjust the spacing in forward and reverse rotation.

[0019] Preferably, the structure of the top block mechanism one is the same as that of the top block mechanism two, and both include a fixed seat with a clip installed, a slider and a cylinder body of cylinder two are installed on the fixed seat, the slider cooperates with the slide rail, and the piston of cylinder two can drive the moving block fixed on the piston end to extend and retract along the axis direction of the track beam, and a top block component that provides a pressure point or a force point is correspondingly installed on the moving block.

[0020] Preferably, a workpiece curvature measuring mechanism is also installed above the fixed seat, and the workpiece curvature measuring mechanism is driven by cylinder three installed above the fixed seat to approach or move away from the workpiece; the workpiece curvature measuring mechanism includes a curvature measuring mechanism mounting seat, a measuring piece and a measuring sensor, the curvature measuring mechanism mounting seat is fixedly connected to the piston rod end of cylinder three, the measuring piece is vertically installed on the side of the curvature measuring mechanism mounting seat close to the workpiece, and the measuring piece is rotatably connected to the end of the curvature measuring mechanism mounting seat close to the workpiece through a rotating shaft; the lower end of the measuring piece is used to contact the workpiece, and the upper end of the measuring piece is connected to a sensor head, the sensor head cooperates with the measuring sensor installed on the fixed seat, and the workpiece bending data is obtained according to the relative displacement generated between the sensor head and the measuring sensor; a measuring piece reset spring is also connected between the upper end of the measuring piece and the curvature measuring mechanism mounting seat.

[0021] Preferably, the workpiece clamping and twisting mechanism includes a clamping and twisting mechanism mounting seat fixed to the outer side of the machine base, a servo motor four is installed on the clamping and twisting mechanism mounting seat, the output end of the servo motor four is connected to a vertical ball screw, a nut one adapted to be installed on the ball screw is fixedly connected to a clamping and twisting mechanism mounting plate located on the outer side of the clamping and twisting mechanism mounting seat; a servo motor five is installed on the upper end of the clamping and twisting mechanism mounting plate, the output end of the servo motor five drives a sprocket wheel located on the outer side plate surface of the clamping and twisting mechanism mounting plate to rotate, and a chain matched with the sprocket wheel embraces a torsion disk located below the sprocket wheel, the torsion disk is circular as a whole, and the lower side of the torsion disk has a notch with a closed end at the upper end and an open end at the lower end, and the two tail ends below the chain are respectively fixedly connected to the two side surfaces corresponding to the notch of the torsion disk; on the outer ring of the torsion disk A bearing connecting rod component is installed around the square, an arc-shaped groove is opened in the disk body of the torsion disk, and a plurality of cam followers are arranged around the arc-shaped groove, and the ends of the bearing connecting rod component and the cam follower are fixed to the corresponding clamping and torsion mechanism mounting plate and the outer mounting plate, and the bearing connecting rod component and the cam follower work together to limit the torsion path of the torsion disk; a servo motor six is ​​also installed on the torsion disk, and the output shaft of the servo motor six is ​​connected to the nut two in the torsion disk in the form of a sprocket chain, and a chuck screw matched with the nut two extends to one side of the notch, and the end of the chuck screw extending into the notch is connected to the workpiece chuck; the servo motor six drives the nut two to rotate, so that the workpiece chuck on the chuck screw can be extended and retracted in the notch, so as to clamp or release the workpiece in the notch accordingly.

[0022] Preferably, an axial beam guide and a rack are installed on the track beam, and the movable clamping support device includes a movable clamping support device mounting seat, and a beam slider and a servo motor seven are installed on the movable clamping support device mounting seat, the beam slider is slidably matched with the beam guide, and the output end of the servo motor seven is installed with a gear matched with the rack, and the servo motor seven can drive the movable clamping support device mounting seat to move forward and backward along the axial direction of the track beam; two cylinders four are symmetrically installed on the left and right directions of the upper part of the movable clamping support device mounting seat, and the piston rod ends of the two cylinders four are respectively fixedly connected to the two sides of the floating joint in the middle position, and the upper end of the floating joint is connected to the workpiece clamping part, and the workpiece clamping part is also slidably connected with the mounting seat guide rails arranged in the left and right directions at the top of the movable clamping support device mounting seat; the two cylinders four cooperate to drive the workpiece clamping part to achieve left and right position adjustment.

[0023] Preferably, the workpiece clamping portion includes a clamping seat fixedly connected to the upper end of the floating joint, the clamping block component is installed on the upper part of the clamping seat, and the clamping block component includes a fixed clamping block and a movable clamping block, the fixed clamping block is installed on one side of the clamping seat in the left and right directions, and the movable clamping block is installed on the other side of the clamping seat in the left and right directions; the movable clamping block is installed on the movable connecting rod on the clamping seat, and is driven by a cylinder five connected to the movable connecting rod on the clamping seat to approach or move away from the fixed clamping block.

[0024] Compared with the prior art, the automatic guide rail calibration machine of the present invention has the following beneficial effects:

[0025] (1) The present invention adopts a bidirectional double top block mechanism, a unidirectional double top block mechanism, and a pressure output bearing beam 1 and a pressure output bearing beam 2 on a machine base to move together, so as to accurately locate the actual bending position of the workpiece, and can automatically adjust the positions of the two top block components in the bidirectional double top block mechanism and the two top block components in the unidirectional double top block mechanism according to the bending span size and bending direction of the workpiece, and adopt the most suitable top block spacing for bending spans of different shapes, thereby improving the correction efficiency and correction accuracy of the equipment, reducing the number of corrections, and improving the working cycle.

[0026] (2) The present invention can correct products that fail to meet the standards of straightness (bending deformation) and flatness (slight twisting deformation) by adopting a movable clamping support and a double top block structure.

[0027] (3) The present invention adopts the structure of a workpiece clamping and torsion mechanism and a double top block, and realizes the correction of multiple twisting points of a workpiece with large twisting deformation by clamping the workpiece by a torsion disk and rotating it around the axis of the workpiece itself, thereby ensuring the flatness requirement of the workpiece.

[0028] (4) The present invention provides a laser scanning mechanism, including a non-contact 3D laser scanner with automatically adjustable angle, to obtain plane data by scanning according to the measured distance, thereby ensuring the guide rail correction effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0030] Figure 1 The overall structure of an automatic guide rail correction machine of the present invention is shown in FIG. Figure 1 .

[0031] Figure 2 The overall structure of an automatic guide rail correction machine of the present invention is shown in FIG. Figure 2 .

[0032] Figure 3 The overall structure of an automatic guide rail correction machine of the present invention is shown in FIG. Figure 3 .

[0033] Figure 4 The overall structure of an automatic guide rail correction machine of the present invention is shown in FIG. Figure 4 .

[0034] Figure 5 The figure is a partial structural schematic diagram of an automatic guide rail correction machine of the present invention.

[0035] Figure 6 It is an axonometric view of the pressure output device in the present invention.

[0036] Figure 7 It is a cross-sectional view of the pressure output device in the present invention.

[0037] Figure 8 The overall structure of the top block mechanism 1 or the top block mechanism 2 in the present invention is shown in FIG. Figure 1 .

[0038] Fig. 9 The overall structure of the top block mechanism 1 or the top block mechanism 2 in the present invention is shown in FIG. Figure 2 .

[0039] Fig.10 It is a structural diagram of the transmission device for driving the top block mechanism 1 or the top block mechanism 2 to move forward and backward in the present invention.

[0040] Fig.11 The overall structure of the workpiece clamping and twisting mechanism of the present invention is shown in FIG. Figure 1 .

[0041] Fig.12 The overall structure of the workpiece clamping and twisting mechanism of the present invention is shown in FIG. Figure 2 .

[0042] Fig.13 It is a schematic diagram of various mechanisms of the workpiece clamping part in the workpiece clamping and twisting mechanism of the present invention.

[0043] Fig.14 It is a schematic structural diagram of the movable clamping support device in the present invention.

[0044] Fig.15 The overall structure of the laser scanning mechanism in the present invention is shown in FIG. Figure 1 .

[0045] Fig.16 The overall structure of the laser scanning mechanism in the present invention is shown in FIG. Figure 2 .

[0046] In the figure: 1-machine base, 2-track crossbeam, 3-bidirectional double top block mechanism, 4-unidirectional double top block mechanism, 5-pressure output mechanism, 6-workpiece clamping and torsion mechanism, 7-double movable clamping support mechanism, 8-crossbeam support, 9-pressure output bearing beam one, 10-pressure output bearing beam two, 11-servo motor two, 12-pressure output device, 13-screw rotating head, 14-screw nut head, 15-belt two, 16-slide rail, 17-rotating wheel, 18-belt three, 19-servo motor three, 20-clamp, 21-fixed seat, 22-slider, 23-cylinder two, 24-moving block, 25-cylinder three, 26-bending measurement mechanism mounting seat, 27-measuring piece, 28-measuring sensor, 29-measuring piece reset spring, 30-clamping and torsion mechanism mounting seat, 31-servo motor four, 3 2-clamping and torsion mechanism mounting plate, 33-servo motor five, 34-sprocket, 35-chain, 36-torsion plate, 37-notch, 38-bearing connecting rod component, 39-cam follower, 40-servo motor six, 41-screw nut two, 42-chuck screw, 43-workpiece chuck, 44-rack, 45-beam slider, 46-servo motor seven, 47-cylinder four, 48-floating joint, 49-mounting seat guide rail, 50-clamping seat, 51-fixed clamping block, 52-movable clamping block, 53-movable connecting rod, 54-cylinder five, 55-movable clamping support device mounting seat, 56-laser scanning mechanism, 57-laser scanner, 58-laser scanning mechanism mounting seat, 59-cylinder one, 60-guide rail, 61-servo motor one, 62-synchronous wheel one, 63-synchronous wheel two, 64-belt one. DETAILED DESCRIPTION

[0047] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0048] In the description of the present invention, it is necessary to understand that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0049] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0050] Example:

[0051] The present invention relates to the technical field of guide rail processing, and provides an automatic guide rail correction machine, which not only completes the axial straightness correction of a workpiece, but also can correct the radial distortion and bending points of the workpiece, thereby effectively improving the correction efficiency and correction accuracy of the equipment, and reducing the number of corrections and the cycle.

[0052] like Figure 1-Figure 16 As shown, the automatic guide rail correction machine specifically includes a machine base 1, a track beam 2, a pressure output mechanism 5, a bidirectional double top block mechanism 3, a unidirectional double top block mechanism 4, a workpiece clamping and twisting mechanism 6, a double movable clamping and supporting mechanism 7 and a laser scanning mechanism 56.

[0053] Among them, the track beam 2 is penetrated through the lower side of the machine base 1 and supported by the beam support 8; the machine base 1 and the track beam 2 in the present invention are not connected, and the two are respectively fixed to the ground through corresponding supports at the bottom.

[0054] The pressure output mechanism 5 includes a pressure output bearing beam 1 9 and a pressure output bearing beam 2 10 which are located on the same horizontal plane; the axial extension direction of the track beam 2 is defined as the front-to-back direction, and the pressure output bearing beam 1 9 is arranged at the left position inside the machine base above the track beam 2, and the pressure output bearing beam 2 10 is arranged at the right position; the pressure output bearing beam 1 9 is controlled by the pressure output component installed on the machine base 1 to approach or move away from the pressure output bearing beam 2 10, and the pressure output bearing beam 2 10 is directly fixed to the machine base 1.

[0055] The bidirectional double top block mechanism 3 is installed on the pressure output bearing beam 9, and includes two top block mechanisms 1 with adjustable left and right positions and adjustable spacing.

[0056] The unidirectional double top block mechanism 4 is installed on the pressure output bearing beam 10, and includes two top block mechanisms 2 with adjustable left and right positions and adjustable spacing; the two top block mechanisms 1 provide pressure points for the workpiece, and the two top block mechanisms 2 provide force points for the workpiece. The two top block mechanisms 1 cooperate with the two top block mechanisms 2 to straighten the curved section of the workpiece.

[0057] In a further specific embodiment, the pressure output component includes a servo motor 11 installed on a base 1 outside a pressure output bearing beam, and a pressure output device 12 is installed on the base 1 in the front and rear directions of the servo motor. The outer end of the pressure output device 12 away from the pressure output bearing beam is a screw rotating head 13, and the inner end close to the pressure output bearing beam is a screw nut head 14 that cooperates with the corresponding screw in the screw rotating head 13. The two screw nut heads 14 are integrally fixed to the pressure output bearing beam 9 through square steel; the output shaft of the servo motor 11 is connected to the screw rotating heads 13 of the two pressure output devices 12 through a belt 15, and the servo motor 11 drives the corresponding screw in the screw rotating head 13 to rotate, thereby driving the pressure output bearing beams 9 on the two screw nut heads 14 to approach or move away from the pressure output bearing beam 10, so that the top block mechanism 1 on the pressure output bearing beam 9 cooperates with the top block mechanism 2 on the pressure output bearing beam 10 to straighten the bent section of the workpiece.

[0058] Furthermore, the ends of the pressure output bearing beam 1 9 and the pressure output bearing beam 2 10 that are close to each other are respectively provided with a slide rail 16 that is parallel to the axis of the rail crossbeam; a rotating wheel 17 is respectively provided at the front and rear sides below each slide rail 16, a belt 3 18 is wound around the two rotating wheels 17, and one of the rotating wheels 17 is driven to rotate by a corresponding servo motor 3 19 (see Fig.10The lower transmission belt of belt three 18 is connected to one of the top block mechanisms one or the top block mechanism two through a clip one fixed thereon, and the upper transmission belt of belt three 18 is connected to the other top block mechanism one or the top block mechanism two through a clip two fixed thereon, and the two top block mechanisms one or the two top block mechanisms two are respectively slidably installed on the slide rail 16 of the pressure output bearing beam on the corresponding side, and the servo motor three 19 drives the two top block mechanisms one or the two top block mechanisms two to adjust the spacing in forward and reverse rotation.

[0059] In the present invention, the structure of the top block mechanism 1 is the same as that of the top block mechanism 2, and both include a fixed seat 21 with a clip 20 installed, a slider 22 and a cylinder body of a second cylinder 23 are installed on the fixed seat 21, the slider 22 cooperates with the slide rail 16, and the piston of the second cylinder 23 can drive the moving block 24 fixed on the piston end to extend and retract along the axis direction of the track beam, and the moving block 24 is correspondingly installed with a top block component (such as Fig. 9 The function of the air cylinder 23 is to further accurately and automatically adjust the positions of the two corresponding top block components according to the bending span of the workpiece.

[0060] At the same time, a workpiece curvature measuring mechanism is also installed above the fixed seat 21, and the workpiece curvature measuring mechanism is driven by a cylinder 3 25 installed above the fixed seat 21 to approach or move away from the workpiece.

[0061] The workpiece curvature measuring mechanism includes a curvature measuring mechanism mounting seat 26, a measuring piece 27 and a measuring sensor 28. The curvature measuring mechanism mounting seat 26 is fixedly connected to the piston rod end of the cylinder 3 25. The measuring piece 27 is vertically mounted on the side of the curvature measuring mechanism mounting seat 26 close to the workpiece, and the measuring piece 27 is rotatably connected to the end of the curvature measuring mechanism mounting seat 26 close to the workpiece through a rotating shaft; the lower end of the measuring piece 27 is used to contact the workpiece, and the upper end of the measuring piece 27 is connected to the sensor head, which cooperates with the measuring sensor 28 mounted on the fixed seat 21, and obtains the workpiece curvature data according to the relative displacement generated between the sensor head and the measuring sensor 28. A measuring piece reset spring 29 is also connected between the upper end of the measuring piece 27 and the curvature measuring mechanism mounting seat 26.

[0062] Furthermore, the fixed seat 21 and the curvature measuring mechanism mounting seat 26 are also connected via a corresponding guide rail slider mechanism to ensure that the workpiece curvature measuring mechanism has a stable movement path when driven by the cylinder three 25.

[0063] The workpiece clamping and twisting mechanism 6 is installed on the outside of one end of the machine base in the front-rear direction and can achieve up and down displacement on the machine base 1; the workpiece clamping and twisting mechanism 6 can clamp the workpiece and drive the workpiece to rotate around its own axis.

[0064] In a further specific embodiment, the workpiece clamping and twisting mechanism 6 includes a clamping and twisting mechanism mounting seat 30 fixed to the outside of the machine base, a servo motor four 31 is installed on the clamping and twisting mechanism mounting seat 30, and an output end of the servo motor four 31 is connected to a vertical ball screw. A nut one adapted to be installed on the ball screw is fixedly connected to a clamping and twisting mechanism mounting plate 32 located on the outside of the clamping and twisting mechanism mounting seat 30, and the servo motor four 31 drives the clamping and twisting mechanism mounting plate 32 to move up and down.

[0065] A servo motor 5 33 is installed at the upper end of the clamping and twisting mechanism mounting plate 32. The output end of the servo motor 5 33 drives the sprocket 34 located on the outer plate surface of the clamping and twisting mechanism mounting plate to rotate. The chain 35 mounted on the sprocket 34 embraces the torsion disk 36 located below the sprocket 34. The torsion disk 36 is circular as a whole, and the lower side of the torsion disk 36 has a notch 37 with a closed end at the upper end and an open end at the lower end. The two tail ends below the chain 35 are respectively fixedly connected to the two side surfaces corresponding to the notch of the torsion disk. The servo motor 5 33 drives the torsion disk 36 to realize the twisting operation, thereby driving the workpiece clamped in the torsion disk 36 to rotate around its own axis.

[0066] A bearing connecting rod component 38 is installed around the outer ring of the torsion plate 36. An arc groove is opened in the body of the torsion plate 36. A plurality of cam followers 39 are arranged around the arc groove. The ends of the bearing connecting rod component 38 and the cam followers 39 are fixed to the corresponding clamping torsion mechanism mounting plate 32 and the outer mounting plate. The bearing connecting rod component 38 and the cam followers 39 work together to limit the torsion path of the torsion plate 36.

[0067] A servo motor six 40 is also installed on the torsion disk 36. The output shaft of the servo motor six 40 is connected to the nut two 41 in the torsion disk 36 through a sprocket chain. The chuck screw 42 matched with the nut two 41 extends to one side of the notch 37, and the end of the chuck screw 42 extending into the notch 37 is connected to the workpiece chuck 43; the servo motor six 40 drives the nut two 41 to rotate, so that the workpiece chuck 43 on the chuck screw 42 can be extended and retracted in the notch 37 to clamp or release the workpiece located in the notch 37 accordingly.

[0068] In a specific embodiment of the present invention, a plurality of oil-free linear slide plates are installed around the inner and outer surfaces of the torsion disk 36 near the outer ring to avoid friction between the torsion disk 36 and the corresponding inner clamping torsion mechanism mounting plate 32 and the outer mounting plate, thereby ensuring the service life of the device.

[0069] The double movable clamping support mechanism 7 is composed of two groups of movable clamping support devices installed on the front and rear sides of the track beam. Each group of movable clamping support devices is provided with a clamping block component for clamping the workpiece, and the left and right positions of the clamping block components are adjustable to adapt to profiles with special cross-sections; the movable clamping support device can also move forward and backward along the axial direction of the track beam 2 to achieve adjustable spacing between the two groups of movable clamping support devices.

[0070] In a further specific embodiment, an axial beam guide 60 and a rack 44 are installed on the track beam 2, and the mobile clamping support device includes a mobile clamping support device mounting seat 55, on which a beam slider 45 and a servo motor 7 46 are installed, the beam slider 45 and the beam guide 60 are slidably matched, and the output end of the servo motor 7 46 is installed with a gear matched with the rack 44, and the servo motor 7 46 can drive the mobile clamping support device mounting seat 55 to move forward and backward along the axis direction of the track beam; two cylinders 47 are symmetrically installed on the left and right directions of the upper part of the mobile clamping support device mounting seat 55, and the piston rod ends of the two cylinders 47 are respectively fixedly connected to the two sides of the floating joint 48 in the middle position, and the upper end of the floating joint 48 is connected to the workpiece clamping part, and the workpiece clamping part is also slidably connected to the mounting seat guide 49 arranged in the left and right directions at the top of the mobile clamping support device mounting seat; the two cylinders 47 cooperate to drive the workpiece clamping part to achieve left and right position adjustment.

[0071] Furthermore, the workpiece clamping part includes a clamping seat 50 fixedly connected to the upper end of the floating joint 48, and a clamping block component is installed on the upper part of the clamping seat 50, and the clamping block component includes a fixed clamping block 51 and a movable clamping block 52. The fixed clamping block 51 is installed on one side of the clamping seat in the left and right directions, and the movable clamping block 52 is installed on the other side of the clamping seat in the left and right directions; the movable clamping block 52 is installed on the movable connecting rod 53 on the clamping seat 50, and is driven by a cylinder 54 connected to the movable connecting rod 53 on the clamping seat 50 to approach or move away from the fixed clamping block 51, thereby clamping or releasing the workpiece between the two clamping blocks. The clamping parts of the fixed clamping block 51 and the movable clamping block 52 in the present invention are specially designed to eliminate the influence of the clamping force on the deformation of the workpiece.

[0072] The laser scanning mechanism 56 is installed on the inner reinforcing rib at one end of the upper part of the machine base in the front-to-back direction. The laser scanning mechanism 56 can move up and down on the machine base 1, and the laser scanning mechanism 56 is also provided with a laser scanner 57 with automatically adjustable angle. The laser scanner 57 is preferably a non-contact 3D laser scanner.

[0073] In a further specific embodiment, the laser scanning mechanism 56 includes a laser scanning mechanism mounting base 58 fixed to the inner side of the machine base, a slide groove and a cylinder body of a cylinder 59 are installed on the laser scanning mechanism mounting base 58, a vertical guide rail 60 is slidably installed on the slide groove, a vertical piston rod in the cylinder 59 is fixedly connected to the guide rail 60, a side plate is installed on the outer side of the guide rail 60, a servo motor 61 is fixed on the side plate, a synchronous wheel 62 is installed on the output shaft of the servo motor 61, a synchronous wheel 63 is rotatably installed on the guide rail 60 below the synchronous wheel 62, a belt 64 is wrapped around the synchronous wheel 62 and the synchronous wheel 63, and the synchronous wheel 63 is externally connected to the laser scanner 57; the cylinder 59 is extended and retracted to drive the laser scanner 57 to move up and down along the guide rail 60, and the servo motor 61 rotates to drive the laser scanner 57 to achieve angle adjustment.

[0074] The non-contact 3D laser scanner is used to scan the workpiece to obtain plane data based on the measurement distance and confirm the surface flatness of the workpiece.

[0075] The invention can accurately locate the actual bending position of the workpiece through the cooperation of the bidirectional double top block mechanism, the unidirectional double top block mechanism and the pressure output mechanism, and can automatically adjust the positions of the two top block components in the bidirectional double top block mechanism and the two top block components in the unidirectional double top block mechanism according to the bending span size and bending direction of the workpiece, and adopt the most suitable top block spacing for bending spans of different shapes, thereby improving the correction efficiency and correction accuracy of the equipment, reducing the number of corrections, and improving the working rhythm; at the same time, the two movable clamping support devices can drive the workpiece to move forward and backward along the axis of the track crossbeam, and by adopting the structural cooperation of the movable clamping support and the double top block, the product with unqualified straightness (bending deformation) and flatness (slight distortion) can be corrected; the workpiece clamping and twisting mechanism and the double top block are adopted to clamp the workpiece by a torsion disk and rotate around the axis of the workpiece itself to realize the correction of multiple distortion points of the workpiece with large distortion, thereby ensuring the flatness requirement of the workpiece; by setting a laser scanning mechanism, including a non-contact 3D laser scanner with automatically adjustable angle, according to the measurement distance, the plane data is scanned and obtained, and the guide rail correction effect is ensured.

[0076] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.

[0077] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An automatic guide rail calibration machine, characterized in that: include: Machine base; A track beam, which is arranged on the lower side of the machine base and supported by a beam support; the machine base and the track beam are not connected, and the two are fixed to the ground through corresponding supports at the bottom; The pressure output mechanism comprises a pressure output bearing beam 1 and a pressure output bearing beam 2 on the same horizontal plane; the axis extension direction of the track beam is defined as the front-rear direction, and the pressure output bearing beam 1 is arranged at the left position inside the machine base above the track beam, and the pressure output bearing beam 2 is arranged at the right position; the pressure output bearing beam 1 is controlled by a pressure output assembly installed on the machine base to approach or move away from the pressure output bearing beam 2, and the pressure output bearing beam 2 is directly fixed to the machine base; A bidirectional double top block mechanism, installed on the pressure output bearing beam 1, comprising two top block mechanisms 1 with adjustable left and right positions and adjustable spacing; A unidirectional double top block mechanism is installed on the pressure output bearing beam 2, and includes two top block mechanisms 2 with adjustable left and right positions and adjustable spacing; the two top block mechanisms 1 provide pressure points for the workpiece, and the two top block mechanisms 2 provide force points for the workpiece; A workpiece clamping and twisting mechanism is installed on the outside of one end of the machine base in the front-rear direction and can achieve up-and-down displacement on the machine base; the workpiece clamping and twisting mechanism can clamp the workpiece and drive the workpiece to rotate around its own axis; The double movable clamping support mechanism is composed of two groups of movable clamping support devices installed on the front and rear sides of the track beam. Each group of the movable clamping support devices is provided with a clamping block component for clamping the workpiece, and the left and right positions of the clamping block components are adjustable; the movable clamping support device can also move forward and backward along the axial direction of the track beam to achieve adjustable spacing between the two groups of movable clamping support devices.

2. The automatic guide rail calibration machine according to claim 1, characterized in that: It also includes a laser scanning mechanism, which is installed on the inner side of one end of the upper part of the base in the front-to-back direction. The laser scanning mechanism can move up and down on the base, and is also provided with a laser scanner with automatically adjustable angle.

3. The automatic guide rail calibration machine according to claim 2, characterized in that: The laser scanning mechanism includes a laser scanning mechanism mounting seat fixed to the inner side of the machine base, a slide groove and a cylinder body of a cylinder 1 are installed on the laser scanning mechanism mounting seat, a vertical guide rail is slidably installed on the slide groove, a vertical piston rod in the cylinder 1 is fixedly connected to the guide rail, a side plate is installed on the outer side of the guide rail, a servo motor 1 is fixed on the side plate, a synchronous wheel 1 is installed on the output shaft of the servo motor 1, a synchronous wheel 2 is rotatably installed on the guide rail below the synchronous wheel 1, a belt 1 is wrapped around the synchronous wheel 1 and the synchronous wheel 2, and the synchronous wheel 2 is externally connected to the laser scanner; the cylinder 1 is extended and retracted to drive the laser scanner to move up and down along the guide rail, and the servo motor 1 rotates to drive the laser scanner to achieve angle adjustment.

4. The automatic guide rail calibration machine according to claim 1, characterized in that: The pressure output assembly includes a servo motor 2 installed on the base outside the pressure output bearing beam 1, and a pressure output device is installed on the base in the front and rear directions of the servo motor 2. The outer end of the pressure output device away from the pressure output bearing beam 1 is a screw rotating head, and the inner end close to the pressure output bearing beam 1 is a screw nut head matched with the corresponding screw in the screw rotating head. The two screw nut heads are integrally fixed to the pressure output bearing beam 1; the output shaft of the servo motor 2 is synchronously connected to the screw rotating heads of the two pressure output devices through a belt 2, and the servo motor 2 drives the corresponding screw in the screw rotating head to rotate, thereby driving the pressure output bearing beam 1 on the two screw nut heads to approach or move away from the pressure output bearing beam 2.

5. The automatic guide rail calibration machine according to claim 1 or 4, characterized in that: The ends of the pressure output bearing beam 1 and the pressure output bearing beam 2 that are close to each other are each correspondingly installed with a slide rail parallel to the axis of the track crossbeam; a rotating wheel is respectively installed at the front and rear positions under each of the slide rails, a belt 3 is wrapped around the two rotating wheels, and one of the rotating wheels is driven to rotate by a corresponding servo motor 3; the lower transmission belt of the belt 3 is connected to one of the top block mechanisms 1 or the top block mechanisms 2 through a clip 1 fixed thereon, and the upper transmission belt of the belt 3 is connected to the other top block mechanism 1 or the top block mechanism 2 through a clip 2 fixed thereon, and the two top block mechanisms 1 or the two top block mechanisms 2 are respectively slidably installed on the slide rails of the pressure output bearing beams on the corresponding sides, and the servo motor 3 drives the two top block mechanisms 1 or the two top block mechanisms 2 to adjust the spacing in forward and reverse rotation.

6. The automatic guide rail calibration machine according to claim 5, characterized in that: The structure of the top block mechanism 1 is the same as that of the top block mechanism 2, and both include a fixed seat equipped with a clip, a slider and a cylinder body of the cylinder 2 are installed on the fixed seat, the slider cooperates with the slide rail, and the piston of the cylinder 2 can drive the moving block fixed on the end of the piston to extend and retract along the axis direction of the track beam, and the moving block is correspondingly equipped with a top block component that provides a pressure point or a force point.

7. The automatic guide rail calibration machine according to claim 6, characterized in that: A workpiece curvature measuring mechanism is also installed above the fixed seat, and the workpiece curvature measuring mechanism is driven by a cylinder three installed above the fixed seat to approach or move away from the workpiece; the workpiece curvature measuring mechanism includes a curvature measuring mechanism mounting seat, a measuring piece and a measuring sensor, the curvature measuring mechanism mounting seat is fixedly connected to the piston rod end of the cylinder three, the measuring piece is vertically installed on the side of the curvature measuring mechanism mounting seat close to the workpiece, and the measuring piece is rotatably connected to the end of the curvature measuring mechanism mounting seat close to the workpiece through a rotating shaft; the lower end of the measuring piece is used to contact the workpiece, and the upper end of the measuring piece is connected to a sensor head, and the sensor head cooperates with the measuring sensor installed on the fixed seat to obtain the workpiece bending data according to the relative displacement generated between the sensor head and the measuring sensor; a measuring piece reset spring is also connected between the upper end of the measuring piece and the curvature measuring mechanism mounting seat.

8. The automatic guide rail calibration machine according to claim 1, characterized in that: The workpiece clamping and twisting mechanism comprises a clamping and twisting mechanism mounting seat fixed to the outer side of the machine base, and a servo motor 4 is installed on the clamping and twisting mechanism mounting seat, and the output end of the servo motor 4 is connected to a vertical ball screw, and a nut 1 adapted to be installed on the ball screw is fixedly connected to the clamping and twisting mechanism mounting plate located on the outer side of the clamping and twisting mechanism mounting seat; a servo motor 5 is installed on the upper end of the clamping and twisting mechanism mounting plate, and the output end of the servo motor 5 drives the sprocket wheel located on the outer side plate surface of the clamping and twisting mechanism mounting plate to rotate, and the chain matched with the sprocket wheel embraces the torsion disk located below the sprocket wheel, and the torsion disk is circular as a whole, and the lower side of the torsion disk has a notch with a closed end at the upper end and an open end at the lower end, and the two tail ends below the chain are respectively fixedly connected to the two side surfaces corresponding to the notch of the torsion disk; the upper ring of the outer ring of the torsion disk A bearing connecting rod component is installed around the torsion disk, and an arc-shaped groove is opened in the disk body of the torsion disk, and a plurality of cam followers are arranged around the arc-shaped groove, and the ends of the bearing connecting rod component and the cam follower are fixed to the corresponding clamping and torsion mechanism mounting plate and the outer mounting plate, and the bearing connecting rod component and the cam follower work together to limit the torsion path of the torsion disk; a servo motor six is ​​also installed on the torsion disk, and the output shaft of the servo motor six is ​​connected to the nut two in the torsion disk in the form of a sprocket chain, and a chuck screw matched with the nut two extends to one side of the notch, and the end of the chuck screw extending into the notch is connected to the workpiece chuck; the servo motor six drives the nut two to rotate, so that the workpiece chuck on the chuck screw can be extended and retracted in the notch, so as to clamp or release the workpiece in the notch accordingly.

9. The automatic guide rail calibration machine according to claim 1, characterized in that: The track beam is provided with an axial beam guide and a rack, and the movable clamping support device comprises a movable clamping support device mounting seat, and a beam slider and a servo motor seven are mounted on the movable clamping support device mounting seat, the beam slider is slidably matched with the beam guide rail, and a gear matched with the rack is mounted on the output end of the servo motor seven, and the servo motor seven can drive the movable clamping support device mounting seat to move forward and backward along the axial direction of the track beam; two cylinders four are symmetrically installed in the left and right directions of the upper part of the movable clamping support device mounting seat, and the piston rod ends of the two cylinders four are respectively fixedly connected to the two sides of the floating joint in the middle position, and the upper end of the floating joint is connected to the workpiece clamping part, and the workpiece clamping part is also slidably connected with the mounting seat guide rails arranged in the left and right directions at the top end of the movable clamping support device mounting seat; the two cylinders four cooperate to drive the workpiece clamping part to achieve left and right position adjustment.

10. The automatic guide rail calibration machine according to claim 9, characterized in that: The workpiece clamping part includes a clamping seat fixedly connected to the upper end of the floating joint, the clamping block component is installed on the upper part of the clamping seat, and the clamping block component includes a fixed clamping block and a movable clamping block. The fixed clamping block is installed on one side of the clamping seat in the left and right directions, and the movable clamping block is installed on the other side of the clamping seat in the left and right directions; the movable clamping block is installed on the movable connecting rod on the clamping seat, and is driven by a cylinder five connected to the movable connecting rod on the clamping seat to approach or move away from the fixed clamping block.

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