Long axis workpiece correction device

Abstract

The present invention relates to the technical field of long-axis correction, and specifically to a long-axis workpiece correction device, comprising a clamping module, a sliding correction module arranged across the clamping modules, and a fixed-point correction module capable of axially reciprocating sliding along the axis of the long axis, wherein the fixed-point correction module comprises a top support unit capable of radially moving toward the long axis and an auxiliary unit arranged relative to the top support unit; a bending detection module is arranged in a vertical state below one side of the clamping module and can slide back and forth along the axis of the long axis; the present invention can not only automatically locate the bending point but also perform targeted correction on it, and make a unified correction after the correction; the correction accuracy is high and the effect is good.

Description

Technical Field

[0001] The invention relates to the technical field of long-axis correction, and in particular to a long-axis workpiece correction device. Background Art

[0002] In the field of mechanical manufacturing, long-axis workpieces are widely used in various types of mechanical equipment, such as transmission shafts, rotating shafts, etc. Such workpieces are usually required to have high-precision straightness to ensure that they can run smoothly and effectively transmit power during operation; however, due to the large length of long-axis workpieces, they often bend and deform during manufacturing, transportation and assembly due to their own weight, external forces or other factors; this bending will not only cause the long-axis workpiece to fail in function, but may also affect the overall performance of the mechanical equipment and even cause safety hazards;

[0003] Existing methods for correcting long-axis workpieces mainly include manual correction, press correction, and rolling correction. Although these methods can restore the straightness of the workpiece to a certain extent, they have problems such as low correction accuracy, complex operation, and low efficiency. In addition, manual correction relies on the experience of the operator, and has the disadvantages of strong subjectivity and poor repeatability; while press correction and rolling correction are prone to cause local stress concentration in the workpiece, resulting in new deformation or surface damage to the workpiece. Summary of the invention

[0004] In view of the above problems, a long-axis workpiece correction device is provided. By proposing a long-axis correction device that can not only efficiently correct the long axis but also greatly simplify the operation process and reduce workpiece damage, the technical problems of low correction accuracy, complex operation and low efficiency when correcting the long axis using the existing technology are solved.

[0005] In order to solve the problems of the prior art, the present invention provides a long-axis workpiece correction device, including a clamping module, a sliding correction module arranged across the clamping modules, and a fixed-point correction module capable of axially reciprocating sliding along the axis of the long axis, the fixed-point correction module including a supporting unit capable of radially moving toward the long axis and an auxiliary unit arranged relative to the supporting unit; the bending detection module is vertically arranged at the bottom of one side of the clamping module and can slide reciprocatingly along the axis of the long axis.

[0006] Preferably, the slip correction module also includes an adjustment unit capable of radially adjusting the first pressing unit and the second pressing unit; the adjustment unit is provided with two groups, the two groups of adjustment units are arranged opposite to each other and an adjustment plate is provided between the two groups of adjustment units; the first pressing unit and the second pressing unit are fixedly provided on the adjustment plate; the adjustment plates are provided in multiple groups equidistantly along the axis of the adjustment unit.

[0007] Preferably, the first pressing unit is a first ball bearing slide, and a plurality of first ball bearing slides are equidistantly arranged along the long side direction of the adjustment plate.

[0008] Preferably, the second pressing unit includes a V-shaped frame and a plurality of second ball slides relatively embeddedly installed on the inner side of the V-shaped frame; a guide rod is also vertically arranged on the upper surface of the V-shaped frame, and the guide rod passes through the adjustment plate and slides with the adjustment plate; the V-shaped frame is driven by a first electric push rod vertically arranged on the upper surface of the adjustment plate.

[0009] Preferably, the adjustment unit comprises an adjustment ring capable of driving the adjustment plate to slide radially and a guide ring for guiding the adjustment plate to slide radially; the adjustment ring is driven and adjusted by the second electric push rod.

[0010] Preferably, the fixed-point correction module includes a top support unit capable of moving radially toward the long axis and an auxiliary unit arranged relative to the top support unit; the top support unit and the auxiliary unit are also respectively provided with a first connecting frame and a second connecting frame, and the top support unit and the auxiliary unit are respectively fixedly connected to the driving end of the second linear drive through the first connecting frame and the second connecting frame and driven by the second linear drive.

[0011] Preferably, the supporting unit includes a supporting head capable of actively supporting the long axis and a first detection wheel relatively arranged on both sides of the supporting head for detecting the supporting depth; the first detection wheel is also provided with a detection unit for real-time detection of its own inclination angle; the supporting head and the first detection wheel are both driven by a third linear drive arranged at the end.

[0012] Preferably, the top support head is a rotating wheel, and the rotating wheel is hingedly arranged in the first telescopic frame through a rotating shaft.

[0013] Preferably, the auxiliary unit includes a main contact wheel capable of radially approaching or moving away from the long axis and auxiliary contact wheels relatively arranged on both sides of the main contact wheel; the two groups of auxiliary contact wheels are hingedly arranged on a second mounting frame, and the second mounting frame is also fixedly provided with a fourth electric push rod capable of driving the main contact wheel radially approaching or moving away from the long axis; the end of the second mounting frame is also provided with a fourth linear drive for driving the second mounting frame radially approaching or moving away from the long axis.

[0014] Preferably, the bending detection module includes a second detection wheel that can elastically approach the long axis and a travel sensor for real-time monitoring of the radial telescopic travel of the second detection wheel; the second detection wheel is slidably set on the third mounting frame through a third telescopic frame; the third mounting frame is driven by a fifth linear drive vertically arranged on one side of the clamping module.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The present invention realizes the effect of gradually pressing and consolidating the long axis in the initial correction state through the first pressing and consolidating unit and the second pressing and consolidating unit, so that the highest bending point of the long axis is gradually compressed and arranged close to the axis of the long axis, thereby completing a substantial correction of the entire long axis and adjusting it to a normal bending angle;

[0017] 2. The present invention realizes how to carry out targeted correction of the bending point of the long axis that is not fully corrected through the relatively arranged top support unit and auxiliary unit, and adopts excessive bending correction to quickly adjust the long axis to a normal posture, completely eliminating the technical problem that when correcting the long axis through the existing technology, the bending point is only pressed to the axis of the long axis, and the long axis cannot be completely corrected in radial direction;

[0018] 3. The present invention realizes the effect of how to perform real-time bending detection on the long axis through the bending detection module, so as to determine whether the long axis is corrected to a normal posture, and can achieve the effect of quickly locating the bending point of the long axis before the long axis is in an uncorrected state. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a stereoscopic diagram of a long-axis workpiece correction device.

[0020] Figure 2 It is a three-dimensional diagram of the partial structure of a slip correction module in a long-axis workpiece correction device.

[0021] Figure 3 yes Figure 2 A partial enlarged view of point A.

[0022] Figure 4 The present invention is a three-dimensional diagram of the partial structure of the first pressing unit in a long-axis workpiece correction device.

[0023] Figure 5 It is the main view of a fixed-point correction module in a long-axis workpiece correction device.

[0024] Figure 6 yes Figure 5 A partial enlarged view of point B.

[0025] Figure 7 The present invention is a partial exploded perspective view of the structure of a top support unit in a long-axis workpiece correction device.

[0026] Figure 8 It is a three-dimensional diagram of the partial structure of the bending detection module in a long-axis workpiece correction device.

[0027] The numbers in the figure are:

[0028] 1-clamping module; 11-first linear drive;

[0029] 2-slip correction module; 21-first pressing unit; 211-first ball slide; 22-second pressing unit; 221-V-shaped frame; 222-second ball slide; 223-guide rod; 224-first electric push rod; 23-adjusting unit; 231-adjusting ring; 232-guide ring; 233-second electric push rod; 234-fixing ring; 24-adjusting plate; 241-guide part; 242-driving part; 243-screw;

[0030] 3-fixed-point correction module; 31-support unit; 311-support head; 3112-first telescopic frame; 312-first detection wheel; 3121-hinged rod; 313-detection unit; 314-third linear drive; 315-first mounting frame; 316-torsion spring; 317-limiting part; 318-third electric push rod; 32-auxiliary unit; 321-main contact wheel; 322-secondary contact wheel; 323-second mounting frame; 324-fourth electric push rod; 325-second telescopic frame; 326-fourth linear drive; 33-first connecting frame; 34-second connecting frame; 35-second linear drive;

[0031] 4-bending detection module; 41-second detection wheel; 42-stroke sensor; 43-third telescopic frame; 44-third mounting frame; 45-fifth linear drive; 46-spring; 47-sixth linear drive;

[0032] 5- Long axis. DETAILED DESCRIPTION

[0033] In order to further understand the features, technical means, specific objectives and functions of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0034] See also Figures 1 to 8 As shown: a long-axis workpiece correction device, including a clamping module 1, a sliding correction module 2 arranged across the clamping modules 1, and a fixed-point correction module 3 capable of axially reciprocating sliding along the axis of the long axis 5, the fixed-point correction module 3 including a supporting unit 31 capable of radially moving toward the long axis 5 and an auxiliary unit 32 arranged relative to the supporting unit 31; the bending detection module is vertically arranged at the lower side of the clamping module 1 and can slide reciprocatingly along the axis of the long axis 5.

[0035] The clamping module 1 is composed of a first clamping assembly and a second clamping assembly, and the first clamping assembly and the second clamping assembly are both slidably arranged on a first linear drive 11, and the clamping distance between the first clamping assembly and the second clamping assembly is adjusted by the first linear drive 11;

[0036] When the shaft needs to be corrected, the long shaft 5 to be corrected is firstly horizontally clamped and set between the first clamping assembly and the second clamping assembly. When the long shaft 5 is clamped by the first clamping assembly or the second clamping assembly, the second clamping assembly is in a non-restricted state, that is, the second clamping assembly can slide back and forth along the driving direction of the first linear drive 11; thereby ensuring that during the correction of the long shaft 5, when the axial length of the corrected long shaft 5 changes, the long shaft 5 can extend axially normally;

[0037] After the long axis 5 is clamped, the slip correction module 2 is first driven to operate, and the long axis 5 is reciprocated and corrected along the axis of the long axis 5. During the reciprocating sliding process, the slip force is gradually increased to correct the part with a large bending change to a small bending state, which is conducive to the subsequent targeted correction work of the fixed-point correction module 3. Then, the bending detection module 4 is driven to operate, and the detection end of the bending detection module 4 is set to abut against the side wall of the long axis 5 and the abutment interval is the radius of the normal long axis 5. Then, in the process of driving the long axis 5 to rotate by the external rotary drive, the bending detection module 4 is synchronously driven to slide along the axis of the long axis 5 until the highest convex point of the long axis 5 is detected. After the highest convex point of the long axis 5 is detected, the bending detection module 4 is moved to the high point, and in the process of driving the long axis 5 to rotate slowly with the rotary drive, the convex point is positioned to face the ground; finally, the fixed-point correction module 3 is driven to operate, and the high point is fixed-point corrected until the correction work of the long axis 5 is completed.

[0038] See also Figure 2 As shown: the slip correction module 2 also includes an adjustment unit 23 capable of radially adjusting the first pressing unit 21 and the second pressing unit 22; the adjustment unit 23 is provided with two groups, the two groups of adjustment units 23 are arranged opposite to each other and an adjustment plate 24 is also provided between the two groups of adjustment units 23; the first pressing unit 21 and the second pressing unit 22 are fixedly provided on the adjustment plate 24; the adjustment plate 24 is provided in multiple groups equidistantly along the axis of the adjustment unit 23.

[0039] At least two groups of the adjustment plates 24 are arranged along the axis of the adjustment unit 23; the first pressing unit 21 and the second pressing unit 22 are arranged in a one-to-one correspondence with the multiple groups of adjustment plates 24;

[0040] The adjustment plate 24 is a rectangular plate and has guide portions 241 fixedly disposed at both ends thereof and a driving portion 242 fixedly disposed in the middle on the guide portion 241;

[0041] When it is necessary to perform preliminary radial slip correction on the long axis 5 after being clamped by the clamping module 1, the adjustment unit 23 is first driven to operate, and the multiple groups of adjustment plates 24 are driven by the adjustment unit 23 to synchronously radially approach the long axis 5, so that the correction ends of the first pressing unit 21 and the second pressing unit 22 respectively fixedly mounted on the adjustment plate 24 are set close to the outer wall of the shaft rod. Furthermore, since the slip correction module 2 is used for preliminary correction, before the long axis 5 is corrected by the slip correction module 2, the bending detection module 4 is preferentially driven to operate to detect the maximum bending height of the shaft rod to be corrected; and when the long axis 5 is preliminarily corrected by the slip correction module 2, the correction ends of the first pressing unit 21 and the second pressing unit 22 are driven to approach the outer wall of the shaft rod with the maximum correction height as the radius, and the interference radius is gradually shortened during the reciprocating correction process, thereby achieving a gradual correction effect from high to low on the bending point of the shaft rod.

[0042] See also Figure 4 As shown, the first pressing unit 21 is a first ball slide 211 and a plurality of first ball slides 211 are arranged equidistantly along the long side direction of the adjustment plate 24 .

[0043] By using the first ball slide 211 as the first pressing unit 21, the first ball slide 211 is made to contact the outer wall of the long axis 5 in multiple directions, thereby achieving multi-directional rolling of the long axis 5 and making the bent portion as close to the axis of the long axis 5 as possible.

[0044] See also Figure 4 As shown: the second pressing unit 22 includes a V-shaped frame 221 and a plurality of second ball slides 222 relatively embedded and installed on the inner side of the V-shaped frame 221; a guide rod 223 is vertically arranged on the upper surface of the V-shaped frame 221, and the guide rod 223 passes through the adjustment plate 24 and slidably cooperates with the adjustment plate 24; the V-shaped frame 221 is driven by a first electric push rod 224 vertically arranged on the upper surface of the adjustment plate 24.

[0045] The correction end of the second pressing unit 22 in the non-working state is arranged higher than the correction end of the first pressing unit 21;

[0046] In order to better perform preliminary correction on the long axis 5, by respectively using a second pressing unit 22 with a higher correction end and a first pressing unit 21 with a lower correction end, the long axis 5 at the bending point can be effectively pressurized step by step. First, the bending point is guided and corrected by the second pressing unit 22 with a higher correction end, and then the heaviest rolling guidance is performed in cooperation with the first pressing unit 21 with a smaller correction end. This can effectively solve the technical problem of poor correction effect and difficulty in correction caused by diameter rigidity correction when correcting the bending point.

[0047] See also Figure 2and Figure 3 As shown, the adjustment unit 23 includes an adjustment ring 231 capable of driving the adjustment plate 24 to slide radially and a guide ring 232 for guiding the adjustment plate 24 to slide radially; the adjustment ring 231 is driven and adjusted by a second electric push rod 233 .

[0048] The adjusting unit 23 also includes a fixing ring 234 for limiting and fixing an adjusting ring 231 and a guide ring 232, wherein the adjusting ring 231 is coaxially rotatably arranged in the fixing ring 234, and the guide ring 232 is coaxially fixedly arranged in the fixing ring 234; the adjusting ring 231 and the adjusting ring 231 are respectively provided with guide grooves, wherein the guide grooves provided on the guide ring 232 are inclinedly arranged; the guide grooves provided on the adjusting ring 231 are slidably matched with the guide parts 241 fixedly arranged at the end of the adjusting plate 24, and the guide grooves provided on the guide ring 232 are slidably matched with the driving parts 242 fixedly arranged at the end of the adjusting plate 24; the driving parts 242 are specifically oblong sliders; the driving end of the second electric push rod 233 is hinged to the hinge shaft vertically arranged on the outer surface of the guide ring 232, and the non-working end is hinged to the fixing ring 234;

[0049] In the working state, when it is necessary to synchronously drive the multiple groups of adjustment plates 24 to radially approach or move away from the long axis 5, it is only necessary to drive the second electric push rod 233 to move, and the output shaft of the second electric push rod 233 extends and synchronously drives the adjustment ring 231 to rotate, so that the guide groove provided on the adjustment ring 231 is used to drive the guide part 241 to slide along the guide groove, thereby achieving the effect of radially driving the adjustment plates 24 to approach or move away from the long axis 5;

[0050] Furthermore, guide sleeves are fixedly provided on both sides of the fixing ring 234; the guide sleeves are respectively threadedly connected to the two sets of screws 243. When it is necessary to drive the fixing ring 234 to slide axially along the long axis 5, the two sets of screws 243 are driven to rotate by an external driver, thereby achieving the effect of driving the fixing ring 234 to slide circumferentially along the axis of the long axis 5.

[0051] See also Figure 1 and Figure 5 As shown: the fixed-point correction module 3 includes a supporting unit 31 capable of moving radially toward the long axis 5 and an auxiliary unit 32 arranged relative to the supporting unit 31; the supporting unit 31 and the auxiliary unit 32 are also respectively provided with a first connecting frame 33 and a second connecting frame 34, and the supporting unit 31 and the auxiliary unit 32 are respectively fixedly connected to the driving end of the second linear drive 35 through the first connecting frame 33 and the second connecting frame 34 and are driven by the second linear drive 35.

[0052] The second linear drive 35 is preferably a screw slide, which is used to drive the fixed-point correction module 3 to slide along the axis of the long axis 5, and may also be other devices;

[0053] After the long axis 5 is initially corrected by the cooperation of the slip correction module 2 and the bending detection module 4, the bending points of the long axis 5 are all set with a small bending amplitude, and it is necessary to perform targeted fixed-point bending; first, the bending detection module 4 is driven to act for the second time and move to the highest point of the bending point, and at the same time, the clamping module 1 is cooperated to adjust the highest bending point of the long axis 5 to face the ground, and then the second linear drive 35 is driven to act, and the supporting unit 31 and the auxiliary unit 32 are driven to slide to the highest bending point of the long axis 5, and the supporting unit 31 is driven to face the highest bending point of the long axis 5, and finally, the supporting unit 31 and the auxiliary unit 32 are driven synchronously to support the highest bending point of the long axis 5 respectively, and the auxiliary unit 32 is cooperated to assist in supporting it during the supporting process, until the highest bending point of the long axis 5 is bent to be coaxial with the axis of the long axis 5, and specifically detect whether the long axis 5 has a bending phenomenon, and the long axis 5 can be detected by driving the bending detection module 4 multiple times until the long axis 5 is completely restored.

[0054] See also Figure 6 and Figure 7 As shown: the supporting unit 31 includes a supporting head 311 capable of actively supporting the long axis 5 and a first detection wheel 312 relatively arranged on both sides of the supporting head 311 for detecting the supporting depth, and the first detection wheel 312 is also provided with a detection unit 313 for real-time detection of its own inclination angle; the supporting head 311 and the first detection wheel 312 are both driven by a third linear driver 314 arranged at the end.

[0055] The supporting unit 31 also includes a first mounting frame 315, and two groups of first detection wheels 312 are provided. The two groups of first detection wheels 312 are relatively hingedly arranged on both sides of the first mounting frame 315 through a hinge rod 3121; a torsion spring 316 is also provided at the hinge of the first detection wheel 312 and the first mounting frame 315; the first detection wheel 312 is always twisted in the direction of the long axis 5 under the limitation of the torsion spring 316, and a limiting portion 317 is also fixedly provided on the first mounting frame 315 to prevent excessive twisting of the first detection wheel 312; the supporting head 311 is slidably arranged in the middle of the first mounting frame 315 through the first telescopic frame 3112, and is driven by a third electric push rod 318 fixedly arranged at the end of the first mounting frame 315;

[0056] When it is necessary to support the highest bending point of the long axis 5, firstly, the third electric push rod 318 is driven to move according to the bending stroke detected by the bending detection module 4, and the third electric push rod 318 drives the support head 311 to extend and be slightly higher than the first detection wheel 312 in the zero state, and then the third linear driver 314 is driven to move, so that the support wheel and the first detection wheel 312 are pushed toward the bending point of the long axis 5 as a whole, and the support head 311 is used to support the bending point of the long axis 5;

[0057] Since a torsion spring 316 is provided at the intersection of the first detection wheel 312 and the first mounting bracket 315, in a non-limiting state, the first detection wheel 312 at this time will also be in an inclined state and be arranged close to the long axis 5, until the pressure of the long axis 5 is utilized during the continuous contact with the long axis 5 to drive the inclination angle of the first detection wheel 312 to return to zero, which is specifically embodied by a detection unit 313 embedded in the first detection wheel 312, and the detection unit 313 is preferably an electronic inclinometer; after the inclination angle of the first detection wheel 312 returns to zero, it means that the axes of the first detection wheel 312 and the long axis 5 are parallel to each other, and the supporting head 311 is in place for supporting the long axis 5; since during the continuous contact with the long axis 5 Before supporting, the supporting head 311 is driven by the third electric push rod 318 to be slightly higher than the first detection wheel 312 in the zero state; when the long axis 5 is supported by the first detection wheel 312 slightly higher than the zero state, the rebound effect that exists when the bending point of the long axis 5 is corrected can be effectively solved. Through a certain excessive supporting, the rebound stroke is compensated and the bending point is returned to the coaxial setting. The technical problem in the prior art that the bending point is only supported to the axis of the long axis 5 and the shaft rebounds when the external force is removed and cannot be completely restored to the original state can be avoided. The above problem can be effectively solved by flexibly adjusting the over-travel supporting stroke of the supporting head 311.

[0058] See also Figure 7 As shown: the top support head 311 is a rotating wheel, which is hingedly arranged in the first telescopic frame 3112 through a rotating shaft.

[0059] The axis of the rotating wheel is arranged perpendicularly to the axis of the long axis 5; the supporting head 311 can also be replaced by a pulley, by adopting a vertical arrangement of its axis and the axial direction of the long axis 5; thereby, in the process of supporting it by the supporting head 311, a smaller linear contact surface is contacted with the long axis 5, thereby achieving the effect of effectively supporting the bending point of the long axis 5.

[0060] See also Figure 5 and Figure 6As shown: the auxiliary unit 32 includes a main contact wheel 321 that can radially approach or move away from the long axis 5 and auxiliary contact wheels 322 relatively arranged on both sides of the main contact wheel 321; the two groups of auxiliary contact wheels 322 are hingedly arranged on a second mounting frame 323, and the second mounting frame 323 is also fixedly provided with a fourth electric push rod 324 that can drive the main contact wheel 321 radially approach or move away from the long axis 5; the end of the second mounting frame 323 is also provided with a fourth linear drive 326 for driving the second mounting frame 323 radially approach or move away from the long axis 5.

[0061] The auxiliary unit 32 further includes a second telescopic frame 325, which is slidably disposed on the second mounting frame 323, and the main abutment wheel 321 is rotatably disposed in the second telescopic frame 325;

[0062] The main abutment wheel 321 in the non-working state is arranged radially away from the long axis 5 under the drive of the fourth electric push rod 324;

[0063] When the bending point of the long axis 5 is being corrected by the supporting unit 31, in order not to affect the excessive bending of the bending point of the long axis 5 by the supporting head 311, thereby achieving the correction effect of the long axis 5, the main contact wheel 321 will be set away from the long axis 5 under the drive of the fourth electric push rod 324 until the long axis 5 is corrected by the supporting head 311, and the main contact wheel 321 is reset to be coaxial with the auxiliary contact wheel 322 under the drive of the fourth electric push rod 324, and is relatively in conflict with the supporting unit 31. On the other side of element 31, the auxiliary supporting unit 31 realizes the correction effect on the long axis 5; when the main contact wheel 321 and the auxiliary contact wheel 322 completely contact the side wall of the long axis 5 after the correction of the long axis 5, the supporting head 311 is synchronously reset to the same height as the first detection wheel 312 under the drive of the third electric push rod 318, and the first detection wheel 312 is also set to contact the outer wall of the long axis 5. At this time, by driving the long axis 5 to rotate, the long axis 5 can be effectively corrected, and the bending point can be completely restored by continuously rolling the long axis 5.

[0064] See Figure 8: the bending detection module 4 includes a second detection wheel 41 that can elastically approach the long axis 5 and a travel sensor 42 for real-time monitoring of the radial telescopic stroke of the second detection wheel 41; the second detection wheel 41 is slidably set on the third mounting frame 44 through a third telescopic frame 43; the third mounting frame 44 is driven by a fifth linear drive 45 vertically set on one side of the clamping module 1.

[0065] The bending detection module 4 further includes a reset spring 46, which is coaxially sleeved and installed outside the guide rod 223 vertically arranged on the lower surface of the third telescopic frame 43; the two ends of the spring 46 are respectively in contact with the upper surface of the third mounting frame 44 and the lower surface of the third telescopic frame 43;

[0066] In the working state, when the long axis 5 needs to be detected, the fifth linear drive 45 is first driven to drive the second detection wheel 41 to be set close to the long axis 5, and the detection axis stops after it collides with the long axis 5, and then the sixth linear drive 47 is driven to act. The sixth linear drive 47 drives the detection axis to slide along the axis of the long axis 5, and drives the long axis 5 to rotate at the same time. When the bending point of the long axis 5 is detected, the bending point will be pressed against the second detection wheel 41. At this time, the second detection wheel 41 is forced to shrink, and the shrinkage stroke will be detected and recorded in real time by the stroke sensor 42, so that the bending arc and bending stroke of the bending point can be detected by the stroke sensor 42.

[0067] The present invention can not only automatically locate the bending point but also perform targeted correction on it and make a unified correction after the correction; the correction accuracy is high and the effect is good.

[0068] The above embodiments only express one or several implementation modes of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the present invention. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the attached claims.

Claims

1. A long axis workpiece correction device, characterized in that: The invention comprises a clamping module (1), a slip correction module (2) arranged transversely between the clamping modules (1), and a fixed-point correction module (3) capable of axially reciprocating sliding along the axis of a long axis (5), wherein the fixed-point correction module (3) comprises a supporting unit (31) capable of radially moving toward the long axis (5) and an auxiliary unit (32) arranged relative to the supporting unit (31); the bending detection module is arranged in a vertical state below one side of the clamping module (1) and capable of reciprocating sliding along the axis of the long axis (5); the slip correction module (2) further comprises an adjustment unit (23) capable of radially adjusting the first pressing unit (21) and the second pressing unit (22); the adjustment unit (23) is provided in two groups, the two groups of adjustment units (23) are arranged opposite to each other and the two groups of adjustment units (23) are arranged in a radially opposite manner. An adjustment plate (24) is also provided between the two ends of the adjusting plate (24); the first pressing unit (21) and the second pressing unit (22) are fixedly arranged on the adjustment plate (24); the adjustment plates (24) are arranged in a plurality of groups equidistantly along the axis of the adjustment unit (23); the fixed-point correction module (3) comprises a supporting unit (31) capable of moving radially toward the long axis (5) and an auxiliary unit (32) arranged relative to the supporting unit (31); the supporting unit (31) and the auxiliary unit (32) are also respectively provided with a first connecting frame (33) and a second connecting frame (34); the supporting unit (31) and the auxiliary unit (32) are respectively fixedly connected to the driving end of the second linear drive (35) through the first connecting frame (33) and the second connecting frame (34) and are driven by the second linear drive (35); The first pressing unit (21) is a first ball bearing slide (211), and a plurality of groups of the first ball bearing slides (211) are arranged equidistantly along the long side direction of the adjustment plate (24); The second pressing unit (22) comprises a V-shaped frame (221) and a plurality of second ball slides (222) relatively embedded and installed on the inner side of the V-shaped frame (221); a guide rod (223) is vertically arranged on the upper surface of the V-shaped frame (221), and the guide rod (223) passes through the adjustment plate (24) and is slidably matched with the adjustment plate (24); the V-shaped frame (221) is driven by a first electric push rod (224) vertically arranged on the upper surface of the adjustment plate (24); The adjustment unit (23) comprises an adjustment ring (231) capable of driving the adjustment plate (24) to slide radially, and a guide ring (232) for guiding the adjustment plate (24) to slide radially; the adjustment ring (231) is driven for adjustment by a second electric push rod (233); The supporting unit (31) comprises a supporting head (311) capable of actively supporting the long axis (5) and first detection wheels (312) arranged on both sides of the supporting head (311) for detecting the supporting depth, wherein the first detection wheel (312) is further provided with a detection unit (313) for detecting its own inclination angle; the supporting head (311) and the first detection wheel (312) are both driven by a third linear driver (314) arranged at the end; The auxiliary unit (32) comprises a main contact wheel (321) capable of radially approaching or moving away from the long axis (5) and auxiliary contact wheels (322) arranged on both sides of the main contact wheel (321); two sets of auxiliary contact wheels (322) are hingedly arranged on a second mounting frame (323), and a fourth electric push rod (324) capable of driving the main contact wheel (321) radially approaching or moving away from the long axis (5) is also fixedly arranged on the second mounting frame (323); a fourth linear drive (326) for driving the second mounting frame (323) radially approaching or moving away from the long axis (5) is also arranged at the end of the second mounting frame (323); The bending detection module (4) comprises a second detection wheel (41) that can elastically approach the long axis (5) and a travel sensor (42) for real-time monitoring of the radial telescopic travel of the second detection wheel (41); the second detection wheel (41) is slidably arranged on a third mounting frame (44) via a third telescopic frame (43); the third mounting frame (44) is driven by a fifth linear drive (45) vertically arranged on one side of the clamping module (1).

2. A long-axis workpiece correction device according to claim 1, characterized in that: The top support head (311) is a rotating wheel, which is hingedly arranged in the first telescopic frame (3112) via a rotating shaft.

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