Rotary floating clamping device for correcting round bar

Abstract

The utility model belongs to the technical field of bar machining and straightening, and particularly discloses a rotary floating clamping device for correcting a round bar, which is used for flexibly clamping the round bar and comprises a base, a base and a clamping device, the base is slidably connected with the base, and the clamping device is arranged on the base. The clamping device comprises a box body, a first driving device and a clamping unit, a locking pull rod and a guide assembly are arranged in the box body, the two sides of the locking pull rod are connected with the first driving device and the clamping unit respectively, and the guide assembly connected to the periphery of the locking pull rod in a sleeving mode is arranged in the box body; the side, away from the first driving device, of the guide assembly is provided with a second driving device for connection, the clamping unit is provided with two clamping jaw assemblies, the two clamping jaw assemblies are arranged in a crossed mode and rotationally connected to the clamping unit, and the sides, away from the chuck base, of the two clamping jaw assemblies are provided with clamping structures. According to the floating clamping device provided by the scheme, flexible clamping is carried out on the end part of the round bar, and the straightening efficiency of the round bar is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the bar processing straightening technical field especially relates to a kind of rotating floating clamping devices of correction round bar. BACKGROUND

[0002] With the increasingly wide application of intelligent and automated manufacturing technology, it is often necessary to heat treat round bars in the field of mechanical processing to improve the mechanical properties of the round bars. The round bars after heat treatment may be bent or deformed to varying degrees, affecting the use of the round bars. Therefore, straightening devices are used to straighten the bent or deformed round bars. Before straightening the round bars, the end of the round bar is clamped on the straightening device. When the straightening device rotates to straighten the round bar, the single round bar is long, and the round bar clamped at the end has large jumping. The straightening device cannot accurately straighten the bent or deformed area of the round bar, prolonging the straightening time of the round bar. SUMMARY

[0003] The utility model aims at providing a rotating floating clamping device for correcting round bars to solve the problem of large jumping of the end of the round bar clamped by the straightening device in the prior art, which cannot accurately straighten the round bar. Thus, a floating clamping device is provided to flexibly clamp the end of the round bar.

[0004] In order to achieve the above object, the technical scheme of the utility model is: a rotating floating clamping device for correcting round bar material, which is used for flexible clamping of round bar material, comprising a base, a machine base and a clamping device, the machine base is slidably connected to the base, the clamping device is connected to the machine base, the clamping device comprises a box body, a first driving device and a clamping unit arranged on both sides of the box body, a locking pull rod and a guide assembly are arranged in the box body, the locking pull rod comprises a first pull rod and a second pull rod, the diameter of the first pull rod is smaller than that of the second pull rod, one side of the first pull rod beyond the box body is slidably connected with the first driving device, the guide assembly is connected to the first pull rod, and the side of the guide assembly away from the first driving device is attached to the end face of the second pull rod, the side of the guide assembly away from the first driving device is connected with the second driving device, the second driving device drives the guide assembly to move and drives the locking pull rod to move, the outer periphery of the second pull rod is provided with a double spherical sleeve, one side of the second pull rod and the double spherical sleeve beyond the box body is connected with the clamping unit, the clamping unit comprises a chuck holder, a spherical connecting assembly and a clamping jaw assembly, the chuck holder is arranged opposite to the box body, one side of the double spherical sleeve beyond the box body is connected with the chuck holder, the chuck holder is provided with a central hole, the second pull rod beyond the box body is connected with the spherical connecting assembly in the central hole, the clamping jaw assembly is provided with two and is arranged in cross, the two clamping jaw assemblies are rotatably and slidably connected with the spherical connecting assembly and the chuck holder, and the side of the two clamping jaw assemblies away from the chuck holder is provided with a clamping structure.

[0005] Further, the guide assembly comprises a push-pull bearing disc, a shaft sleeve and a plane bearing, the shaft sleeve is connected to the outer periphery of the first pull rod, the push-pull bearing disc is provided with a shaft sleeve hole, the shaft sleeve is arranged in the shaft sleeve hole of the push-pull bearing disc, the two ends of the push-pull bearing disc are provided with first counterbores, the plane bearing is provided with two, the two plane bearings are arranged in the first counterbores respectively, the plane bearing on one side is attached to the end face of the second pull rod, the side of the guide assembly away from the second pull rod is provided with a locking nut, the locking nut is threadedly connected on the first pull rod, the locking nut is used for pressing the guide assembly on the end face of the second pull rod, the side of the push-pull bearing disc away from the first driving device is connected with the second driving device, and the second driving device drives the push-pull bearing disc to move and drives the locking pull rod to move.

[0006] Further, the base is provided with a horizontal driving device, the horizontal driving device is arranged on one side of the machine base, the output end of the horizontal driving device is connected with the machine base, and the horizontal driving device is used for driving the machine base to slide on the base.

[0007] Further, the machine base is provided with a lifting driving device, the output end of the lifting driving device is connected with the box body, and the lifting driving device is used for driving the box body to move up and down.

[0008] Further, at least two correcting devices are arranged on the side of the box body away from the first driving device, and the output ends of the two correcting devices are connected to the box body and face the chuck seat, and the outer edge of the chuck seat is beyond the inner edge of the output end of the correcting device.

[0009] Further, a floating device is arranged on one side of the base, and the floating device is arranged on the side away from the first driving device, and the floating device is provided with at least two floating devices, and the top end of each floating device is provided with two floating rollers, and the clamping structure drives the circular bar to rotate on the two floating rollers of the floating device.

[0010] Further, the dial gauge is further arranged to detect the surface of the circular bar.

[0011] Further, the two jaw assemblies are provided with spherical chucks on the side away from the chuck seat, and the clamping structure is arranged on the side of the spherical chucks close to each other.

[0012] The working principle of the technical solution is that:

[0013] The circular bar is placed on the floating rollers of the floating device, the horizontal driving device drives the base to slide to one side of the circular bar, the lifting driving device is started to drive the clamping device to move up and down, and the two jaw assemblies of the clamping unit are arranged on one side of the circular bar, the correcting device is started, the output end of the correcting device is attached to one side of the chuck seat, and the chuck seat is corrected and positioned, if the correction is completed, the output end of the correcting device is reset, the second driving device is started, the output end of the second driving device drives the push-pull force bearing disc to move and drives the locking pull rod to move, the movement of the locking pull rod drives the spherical connecting assembly to move and drives the two jaw assemblies to rotate, the two jaw assemblies rotate on the rotating shaft of the spherical connecting assembly, and the clamping structure of the spherical chuck clamps the two sides of the circular bar and forms a flexible clamping, the first driving device is started to drive the locking pull rod to rotate and drive the spherical connecting assembly to rotate, the rotation of the spherical connecting assembly drives the chuck seat to rotate and drives the two jaw assemblies to rotate, so that the circular bar rotates on the floating rollers of the floating device, and the dial gauge slides on the circular bar and finds the bending or deformation position of the circular bar.

[0014] The beneficial effects of the technical solution are that:

[0015] In the scheme, the second driving device drives the push-pull force bearing disc to move and drives the locking pull rod to move, so that the clamping unit clamps the circular bar, and the first driving device drives the locking pull rod to rotate and drives the clamping unit to rotate, so that the spherical chuck swings within a range of 360 degrees to flexibly clamp the circular bar, and through the movement of the dial gauge, the bending or deformation position of the circular bar is accurately found, and the efficiency of the straightening device for straightening the circular bar is improved.

[0016] In the scheme, the lifting device is arranged on the lower side of the box body, the lifting device drives the box body and the clamping unit to ascend or descend, and the clamping device is suitable for flexible clamping of different specifications of circular bars. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a sectional view of the rotating floating clamping device for correcting the circular bar.

[0018] Figure 2 It is an enlarged structural schematic view of I of 4. Figure 1

[0019] Figure 3 It is an enlarged structural schematic view of II of 4. Figure 1

[0020] Figure 4 It is a sectional view of the rotating floating clamping device for correcting the circular bar.

[0021] Figure 5 It is a top view of 4. DETAILED DESCRIPTION

[0022] The following is further described in detail through specific embodiments:

[0023] The reference signs in the drawings of the specification include: base 1, machine base 2, sliding plate 201, hollow column 202, fixed plate 203, horizontal driving device 3, lifting driving device 4, first driving device 5, box body 6, first shell 601, second shell 602, third shell 603, fourth shell 604, locking pull rod 7, first pull rod 701, second pull rod 702, push-pull bearing disc 8, shaft sleeve 9, plane bearing 10, locking nut 11, first aligning bearing 12, first compression ring 13, annular locking compression ring 14, second driving device 15, double spherical sleeve 16, first cylinder 161, second cylinder 162, arc block 163, second aligning bearing 17, second compression ring 18, correcting device 19, spherical gland 20, spherical pad 21, chuck seat 22, fixed block 221, guide pin shaft 222, spherical floating joint 23, spherical compression ring 24, clamping jaw connecting seat 25, rotating shaft 26, clamping jaw 27, guide pin shaft hole 271, spherical chuck 28, floating device 29, and circular bar 30.

[0024] ​​The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] The basic implementation examples are as follows: Figures 1-5 As shown: A rotary floating clamping device for straightening round bar stock, used for flexibly clamping round bar stock 30, includes a base 1, a machine base 2, and a clamping device. The clamping device includes a housing 6, and a first driving device 5 and a clamping unit disposed on the left and right sides of the housing 6. The machine base 2 is connected to the upper right side of the base 1, and the machine base 2 is slidably connected to the base 1. The machine base 2 includes a sliding plate 201, a hollow column 202, and a fixing plate 203. The sliding plate 201 is slidably connected to the base 1. A horizontal driving device 3 is provided on the upper left side of the base 1. The horizontal driving device 3 is a hydraulic cylinder, and the output end of the horizontal driving device 3 is connected to the left side of the sliding plate 201. The hollow column 202 is vertically fixed on the sliding plate 201. The fixing plates 203 are provided on the left and right sides of the hollow column 202 to strengthen the connection between the sliding plate 201 and the hollow column 202. The hollow column 202 has a vertically arranged hollow cavity, and a lifting drive device 4 is vertically arranged inside the hollow cavity. The lifting drive device 4 is a hydraulic cylinder. The output end of the lifting drive device 4 is connected to the lower side of the box 6. The upper side of the hollow column 202 has a box hole that matches the shape of the box 6. The front and rear sides of the box hole are higher than the left and right sides, and the box 6 can move vertically within the box hole.

[0026] The housing 6 includes a first housing 601, a second housing 602, a third housing 603, and a fourth housing 604 connected sequentially from left to right. The first housing 601, the second housing 602, the third housing 603, and the fourth housing 604 are provided with hollow cavities that match the locking rod 7, the guide assembly, the double spherical sleeve 16, the first positioning assembly, and the second positioning assembly. The locking rod 7 is horizontally arranged in the hollow cavity, and the guide assembly, the double spherical sleeve 16, the first positioning assembly, and the second positioning assembly are arranged along the length of the locking rod 7. The locking lever 7 includes a first lever 701 and a second lever 702. Both levers are cylindrical, with the diameter of the first lever 701 being smaller than the diameter of the second lever 702. The first lever 701 is located on the left side inside the housing 6, and the second lever 702 is located on the right side inside the housing 6. A first groove is provided inside the first housing 601, and one end of the second lever 702 extends into the first groove. The first lever 701 and the guide assembly are disposed within the first groove. Figure 2As shown, the guide assembly includes a push-pull force receiving disc 8, a shaft sleeve 9, a plane bearing 10 and a locking nut 11. The shaft sleeve 9 is sleeved on the outer periphery of the first pull rod 701. The push-pull force receiving disc 8 is provided with a shaft sleeve hole matched with the shape of the shaft sleeve 9. The shaft sleeve 9 is sleeved in the shaft sleeve hole of the push-pull force receiving disc 8. The length of the push-pull force receiving disc 8 is greater than that of the shaft sleeve 9. The left and right ends of the push-pull force receiving disc 8 are provided with first counterbores in communication with the shaft sleeve hole. The plane bearing 10 is provided with two, which are respectively installed in the first counterbores. The end face of the right plane bearing 10 is attached to the end face of the second pull rod 702. The first pull rod 701 on the left side of the push-pull force receiving disc 8 is provided with a first threaded section. The locking nut 11 is provided with two. The center of each locking nut 11 is provided with a first threaded hole matched with the first threaded section. The two locking nuts 11 arranged side by side are threadedly connected to the first threaded section and press the two plane bearings 10, the shaft sleeve 9 and the push-pull force receiving disc 8 against the end face of the second pull rod 702.

[0027] The second housing 602, the third housing 603 and the fourth housing 604 are provided with a second recess. The second pull rod 702 and the double spherical sleeve 16 are arranged in the second recess. The center of the double spherical sleeve 16 is provided with a first circular hole matched with the shape of the second pull rod 702. The first circular hole of the double spherical sleeve 16 is sleeved on the outer periphery of the second pull rod 702. Figure 3 As shown, the outer periphery of the double spherical sleeve 16 is sequentially provided with a first cylinder 161, a second cylinder 162 and an arc block 163 from left to right. The diameter of the first cylinder 161 is smaller than that of the second cylinder 162. The diameter of the second cylinder 162 is smaller than that of the arc block 163. The first cylinder 161 extends into the edge of the second housing 602. The second housing 602 is provided with a first positioning assembly chamber. The first positioning assembly is arranged in the first positioning assembly chamber.

[0028] As shown, Figure 2As shown, the first positioning assembly comprises a first aligning bearing 12, a first compression ring 13 and an annular locking compression ring 14. The first aligning bearing 12 is sleeved on the outer periphery of the second pull rod 702. The second shell 602 is provided with a first aligning bearing hole matched with the shape of the first aligning bearing 12. The first aligning bearing 12 is arranged in the first aligning bearing hole. The length of the second shell 602 is greater than the length of the first aligning bearing 12. The right end of the second shell 602 is provided with a second counterbore in communication with the first aligning bearing hole. The diameter of the second counterbore is smaller than the diameter of the first aligning bearing 12. The left end of the second shell 602 is provided with a first compression ring counterbore in communication with the first aligning bearing 12. The first compression ring 13 is connected in the first compression ring counterbore by bolts. The right end of the first compression ring 13 is provided with a first compression ring boss arranged in an annular shape. The central axis of the first compression ring boss coincides with the central axis of the first aligning bearing hole. The diameter of the first compression ring boss is not greater than the diameter of the first aligning bearing hole, so that the first compression ring boss extends into the first aligning bearing hole and is pressed tightly on the left side of the first aligning bearing 12.

[0029] The first compression ring 13 is provided with a second circular hole larger than the shape of the annular locking compression ring 14. The annular locking compression ring 14 is arranged in the second circular hole. The right end of the annular locking compression ring 14 is provided with an annular locking compression ring boss arranged in an annular shape. The left side of the first cylinder 161 is provided with a second threaded section. The annular locking compression ring 14 is provided with an annular compression ring threaded hole matched with the second threaded section. The annular compression ring threaded hole of the annular locking compression ring 14 is threadedly connected on the second threaded section, so that the annular locking compression ring boss extends into the first aligning bearing hole and is pressed tightly on the left side of the first aligning bearing 12. The first compression ring 13 and the annular locking compression ring 14 fix the first aligning bearing 12 in the second shell 602. The right end of the second shell 602 is horizontally provided with two third counterbores. Each third counterbore is connected with a second driving device 15. The second driving device 15 is a hydraulic cylinder. The output end of the second driving device 15 is arranged opposite to the push-pull force disc 8. The left end of the second shell 602 is provided with a third circular hole in communication with the third counterbores. The output end of the second driving device 15 slides in the third circular hole and is connected on the right side of the push-pull force disc 8.

[0030] The second pull rod 702 and the side of the second cylinder 162 extend into the fourth shell 604. The end face where the first cylinder 161 and the second cylinder 162 are connected is arranged in the fourth shell 604. The fourth shell 604 is provided with a second positioning assembly chamber. The second positioning assembly is arranged in the second positioning assembly chamber. Figure 3As shown, the second positioning assembly includes a second aligning bearing 17 and a second compression ring 18. The second aligning bearing 17 is sleeved on the outer periphery of the second pull rod 702. The fourth shell 604 has a length greater than that of the second aligning bearing 17. The fourth shell 604 is provided with a second aligning bearing hole matched with the outer shape of the second aligning bearing 17. The second aligning bearing 17 is arranged in the second aligning bearing hole. The left end of the fourth shell 604 is provided with a fourth counterbore in communication with the second aligning bearing hole. The diameter of the fourth counterbore is smaller than that of the second aligning bearing 17, so that the right end of the second aligning bearing 17 is attached to the end face of the second cylinder 162. The second compression ring 18 is provided with a circular hole matched with the second cylinder 162. The circular hole of the second compression ring 18 is sleeved on the outer periphery of the second pull rod 702. The left end of the second compression ring 18 is provided with a second compression ring boss arranged in a ring shape. The central axis of the second compression ring boss coincides with that of the second aligning bearing hole. The diameter of the second compression ring boss is not greater than that of the second aligning bearing hole. The right end of the fourth shell 604 is provided with a second compression ring counterbore in communication with the second aligning bearing hole. The second compression ring 18 is connected in the second compression ring counterbore by bolts, so that the second compression ring boss extends into the second aligning bearing hole and is pressed against the right side of the second aligning bearing 17.

[0031] The first driving device 5 is arranged on the left side of the first shell 601. The first driving device 5 includes a servo reducer and a connecting seat. The output end of the servo reducer is connected with the connecting seat. The connecting seat is connected to the left side of the first shell 601. The output end of the servo reducer and the connecting seat are horizontally provided with a rotating shaft sleeve arranged in rotation. The rotating shaft sleeve is provided with a rotating shaft sleeve hole matched with the first pull rod 701. The rotating shaft sleeve is horizontally provided with a long slot. The left side of the first shell 601 is provided with a fourth circular hole. One end of the first pull rod 701 extends into the fourth circular hole and beyond the edge of the rotating shaft sleeve. The first pull rod 701 is provided with a connecting protrusion matched with the long slot. The connecting protrusion is slidingly connected to the long slot of the rotating shaft sleeve.

[0032] The clamping unit is arranged on the right side of the fourth shell 604. The second pull rod 702 and one side of the second cylinder 162 extend out of the fourth shell 604 and are connected with the clamping unit. The clamping unit includes a chuck seat 22, a spherical connecting assembly, and a clamping jaw 27 assembly. The chuck seat 22 is arranged opposite to the right side of the fourth shell 604. The right side of the box body 6 is horizontally connected with two correcting devices 19. The correcting devices 19 are air cylinders. The hollow column 202 is provided with an avoiding groove matched with the outer shape of the correcting device 19. The lower correcting device 19 is arranged in the avoiding groove. The two correcting devices 19 are symmetrically connected to the upper and lower sides of the box body 6. The output ends of the two correcting devices 19 are arranged opposite to the chuck seat 22. The outer edge of the chuck seat 22 exceeds the inner edge of the output end of the correcting device 19. Figure 3As shown, the left end of the chuck seat 22 is provided with a fifth counterbore, the right side of the arc-shaped block 163 extends into the fifth counterbore, and the fifth counterbore is provided with a spherical pad 21. The left side of the spherical pad 21 matches the outer shape of the arc-shaped block 163. The spherical pad 21 is provided with a spherical pad connecting hole matched with the second pull rod 702, and the spherical pad connecting hole is sleeved on the outer periphery of the second pull rod 702. The left end of the chuck seat 22 is provided with a spherical gland 20. The center of the spherical gland 20 is provided with a fifth circular hole matched with the second cylinder 162. The fifth circular hole of the spherical gland 20 is sleeved on the outer periphery of the second cylinder 162. The outer side edge of the spherical gland 20 exceeds the outer side edge of the arc-shaped block 163. The right side of the spherical gland 20 matches the outer shape of the arc-shaped block 163. The spherical gland 20 is bolted on the left side of the chuck seat 22.

[0033] The center of the chuck seat 22 is provided with a central hole communicated with the fifth counterbore. The side of the second pull rod 702 extends out of the spherical pad connecting hole of the spherical pad 21 and is connected with the spherical connecting assembly in the central hole. The spherical connecting assembly includes a spherical floating joint 23, a spherical compression ring 24, and a jaw connecting seat 25. The spherical floating joint 23 is rotationally connected to the right side of the second pull rod 702. The left side of the spherical floating joint 23 is provided as a spherical ball. The right side of the spherical ball is provided with a square connecting block. The right side of the square connecting block is horizontally provided with a threaded column. The right end of the second pull rod 702 is provided with a first hemispherical groove matched with the outer shape of the spherical ball. The spherical compression ring 24 is bolted on the right side of the second pull rod 702. The left end of the spherical compression ring 24 is provided with a second hemispherical groove matched with the outer shape of the spherical ball. The center of the spherical compression ring 24 is provided with a square hole matched with the outer shape of the square connecting block. The square hole is communicated with the second hemispherical groove. The first hemispherical groove and the second hemispherical groove combine to form a spherical groove matched with the outer shape of the spherical ball. The square hole of the spherical compression ring 24 penetrates through the square connecting block of the spherical floating joint 23, and then the spherical ball of the spherical floating joint 23 is rotationally connected in the spherical groove. The jaw connecting seat 25 is directly arranged on the right side of the spherical floating joint 23. The jaw connecting seat 25 includes a fixed bottom plate and a connecting fixed plate. The fixed bottom plate is arranged on the left side of the jaw connecting seat 25. The fixed bottom plate is provided with a threaded column threaded hole matched with the threaded column. The threaded column threaded hole of the jaw connecting seat 25 is threadedly connected on the threaded column. The connecting fixed plate is provided with two. The two connecting fixed plates are arranged on the front and back sides of the right end of the fixed bottom plate. The two connecting fixed plates are provided with a first rotation shaft hole with a central axis. A channel for installing a jaw assembly is left between the two connecting fixed plates. The jaw assembly is provided with two. The two jaw assemblies are cross-arranged and rotationally connected on the right side of the jaw connecting seat 25. Each jaw assembly includes a jaw 27 and a spherical chuck 28. The left side of the jaw 27 is provided with a second rotation shaft hole with a central axis coinciding with that of the first rotation shaft hole. A rotation shaft 26 is rotationally connected in the first rotation shaft hole and the second rotation shaft hole. The left side of the jaw 27 is rotationally connected in the channel of the connecting fixed plate.

[0034] The right side of the chuck seat 22 is provided with two horizontally arranged fixing blocks 221, each of which is provided with a guide pin shaft 222 arranged on the front side of the fixing block 221. The middle position of each clamping jaw 27 is provided with a guide pin shaft hole 271 matched with the guide pin shaft 222, the diameter of the guide pin shaft hole 271 is larger than that of the guide pin shaft 222, the guide pin shaft hole 271 is arranged in an inclined manner on the clamping jaw 27, the guide pin shaft 222 is slidingly connected in the guide pin shaft hole 271 of the clamping jaw 27, and the right end of the clamping jaw 27 is vertically connected with a spherical chuck 28. The end face of the spherical chuck 28 is horizontally provided with a clamping structure, the clamping structure is arranged on the side where the two spherical chucks 28 are close to each other, the clamping structure is inverted V-shaped, and the clamping structure arranged in a V-shaped manner on the two spherical chucks 28 is clamped on the front and rear sides of the circular bar 30 in the up-down direction and forms linear contact with the circular bar 30.

[0035] As shown in Figure 4 The right side of the base 1 is provided with two side-by-side and spaced floating devices 29, the upper side of each floating device 29 is rotatably connected with two floating rollers, the circular bar 30 is horizontally placed on the two floating rollers of the floating device 29, so that the two floating rollers are located on the front and rear sides below the circular bar 30, the center shaft of the floating roller is parallel to the center shaft of the circular bar 30, and the floating roller rotates in the direction of rotation of the circular bar 30. The front side of the floating device 29 is provided with a detection unit, the detection unit includes a fixed base, a sliding seat, a push-pull device and a micrometer, the fixed base is arranged along the length direction of the circular bar 30, the sliding seat is slidingly connected above the fixed base, the push-pull device is a hydraulic cylinder or an air cylinder, the output end of the push-pull device is connected to one side of the sliding seat, the sliding seat is connected with the micrometer, and the micrometer is in contact with the surface of the circular bar 30.

[0036] The specific implementation process is as follows:

[0037] The circular bar 30 is placed on the floating roller of the floating device 29, and the horizontal driving device 3 slides the machine base 2 to one side of the circular bar 30. The lifting driving device 4 is started to drive the clamping device to move up and down, and drive the box body 6 to move vertically in the box hole of the hollow column 202, so that the two clamping jaw assemblies of the clamping unit are arranged at one side of the circular bar 30. The correction device 19 is started, and the output end of the correction device 19 is attached to one side of the chuck holder 22, and the chuck holder 22 is corrected and positioned. If the correction is completed, the output end of the correction device 19 is reset. The second driving device 15 is started, and the output end of the second driving device 15 drives the push-pull bearing disc 8 to move and drives the locking pull rod 7 to move. The locking pull rod 7 moves to drive the spherical connecting assembly to move and drive the two clamping jaw assemblies to rotate. The two clamping jaw assemblies rotate on the rotating shaft 26 of the spherical connecting assembly, so that the guide pin shaft 222 of the chuck holder 22 slides on the guide pin shaft hole 271 of the clamping jaw assembly, and the clamping structure of the spherical chuck 28 is clamped on both sides of the circular bar 30 and forms a flexible clamping. The first driving device 5 is started to drive the locking pull rod 7 to rotate, and drive the spherical connecting assembly to rotate. The spherical connecting assembly rotates to drive the chuck holder 22 to rotate, and drives the two clamping jaw assemblies to rotate, so that the circular bar 30 rotates on the floating roller of the floating device 29. The detection unit is started, the push-pull device drives the sliding seat to move and drives the micrometer to slide on the circular bar 30, and finds the bending or deformation position of the circular bar 30.

[0038] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0039] The above-mentioned is only the embodiment of the present application, and the common knowledge of the specific structure and characteristics in the scheme is not described in detail, the ordinary skilled person in the art knows all the ordinary technical knowledge in the technical field of the present application before the application date or the priority date, can know all the prior art in the field, and has the ability to apply the conventional experimental means before the date, the ordinary skilled person in the art can improve and implement the present scheme under the enlightenment given in the present application, and some typical known structures or known methods should not become an obstacle for the ordinary skilled person in the art to implement the present application. It should be pointed out that for the skilled person in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application, which will not affect the effect and practicality of the present application. The protection scope of the present application should be subject to the content of its claims, and the specific implementation mode and the like in the specification can be used to explain the content of the claims.

Claims

1. A rotating floating clamp device for correcting round bar stock for flexible clamping of round bar stock (30), characterized in that: The utility model provides a clamping device, including base (1), machine base (2) and clamping device, machine base (2) is slidably connected on base (1), the clamping device is connected on machine base (2), the clamping device includes box (6), and first drive (5) and clamping unit are set up in the both sides of box (6), be equipped with locking pull rod (7) and guide assembly in box (6), locking pull rod (7) includes first pull rod (701) and second pull rod (702), the diameter of first pull rod (701) is less than the diameter of second pull rod (702), first pull rod (701) is slidably connected with first drive (5) on the side of box (6) beyond, guide assembly is connected on first pull rod (701), and the end face of second pull rod (702) is attached on the side of guide assembly away from first drive (5), the side of guide assembly away from first drive (5) is connected with second drive (15), second drive (15) moves and drives locking pull rod (7) to move, the periphery of second pull rod (702) is equipped with double spherical sleeve (16), and the side of second pull rod (702) and double spherical sleeve (16) beyond box (6) is connected with clamping unit, the clamping unit includes chuck holder (22), spherical connection assembly and jaw assembly, chuck holder (22) is set up opposite box (6), the side of double spherical sleeve (16) beyond box (6) is connected with chuck holder (22), the center hole is equipped in the center of chuck holder (22), and the second pull rod (702) in the center hole beyond box (6) is connected with spherical connection assembly, the jaw assembly is equipped with two and is set up crossing, two jaw assemblies are rotatably connected with spherical connection assembly and are slidably connected on chuck holder (22), and the side of two jaw assemblies away from chuck holder (22) is equipped with clamping structure.

2. A rotating floating clamp device for straightening a round bar as claimed in claim 1, wherein: The utility model provides a clamping device, including base (1), machine base (2) and clamping device, machine base (2) is slidably connected on base (1), the clamping device is connected on machine base (2), the clamping device includes box (6), and first drive (5) and clamping unit are set up in the both sides of box (6), be equipped with locking pull rod (7) and guide assembly in box (6), locking pull rod (7) includes first pull rod (701) and second pull rod (702), the diameter of first pull rod (701) is less than the diameter of second pull rod (702), first pull rod (701) is slidably connected with first drive (5) on the side of box (6) beyond, guide assembly is connected on first pull rod (701), and the end face of second pull rod (702) is attached on the side of guide assembly away from first drive (5), the side of guide assembly away from first drive (5) is connected with second drive (15), second drive (15) moves and drives locking pull rod (7) to move, the periphery of second pull rod (702) is equipped with double spherical sleeve (16), and the side of second pull rod (702) and double spherical sleeve (16) beyond box (6) is connected with clamping unit, the clamping unit includes chuck holder (22), spherical connection assembly and jaw assembly, chuck holder (22) is set up opposite box (6), the side of double spherical sleeve (16) beyond box (6) is connected with chuck holder (22), the center hole is equipped in the center of chuck holder (22), and the second pull rod (702) in the center hole beyond box (6) is connected with spherical connection assembly, two jaw assemblies are rotatably connected with spherical connection assembly and are slidably connected on chuck holder (22), and the side of two jaw assemblies away from chuck holder (22) is equipped with clamping structure. The utility model discloses a clamping device, including base (1), machine base (2) and clamping device, machine base (2) is slidably connected on base (1), the clamping device is connected on machine base (2), the clamping device includes box (6), and first drive (5) and clamping unit are set up in the both sides of box (6), be equipped with locking pull rod (7) and guide assembly in box (6), locking pull rod (7) includes first pull rod (701) and second pull rod (702), the diameter of first pull rod (701) is less than the diameter of second pull rod (702), first pull rod (701) is slidably connected with first drive (5) on the side of box (6) beyond, guide assembly is connected on first pull rod (701), and the end face of second pull rod (702) is attached on the side of guide assembly away from first drive (5), the side of guide assembly away from first drive (5) is connected with second drive (15), second drive (15) moves and drives locking pull rod (7) to move, the periphery of second pull rod (702) is equipped with double spherical sleeve (16), and the side of second pull rod (702) and double spherical sleeve (16) beyond box (6) is connected with clamping unit, the clamping unit includes chuck holder (22), spherical connection assembly and jaw assembly, chuck holder (22) is set up opposite box (6), the side of double spherical sleeve (16) beyond box (6) is connected with chuck holder (22), the center hole is equipped in the center of chuck holder (22), and the second pull rod (702) in the center hole beyond box (6) is connected with spherical connection assembly, two jaw assemblies are rotatably connected with spherical connection assembly and are slidably connected on chuck holder (22), and the side of two jaw assemblies away from chuck holder (22) is equipped with clamping structure.

3. A rotary floating chuck for straightening round bar stock as defined in claim 1 wherein: The base (1) is provided with horizontal driving device (3), horizontal driving device (3) is arranged in one side of the base (2), the output of horizontal driving device (3) is connected with base (2), horizontal driving device (3) is used to drive base (2) to slide on base (1).

4. A rotary floating chuck for straightening round bar stock as defined in claim 1 wherein: The base (2) is provided with lifting driving device (4), the output of lifting driving device (4) is connected with box (6), lifting driving device (4) is used to drive box (6) to lift.

5. A rotary floating chuck for straightening round bar stock as defined in claim 1 wherein: The box (6) is provided with at least two correction devices (19) away from the first driving device (5), two correction devices (19) are connected on the box (6), the output of two correction devices (19) is opposite to the chuck seat (22), the edge of the outside of chuck seat (22) exceeds the edge of the inside of the output of correction device (19).

6. A rotating floating clamp device for straightening a round bar as claimed in claim 1, wherein: The base (1) is provided with floating device (29) on one side, the floating device (29) is arranged away from the first driving device (5) on one side, the floating device (29) is provided with at least two, the top of each floating device (29) is provided with two floating rollers, two floating rollers rotate along the rotation direction of the circular bar (30).

7. A rotary floating chuck for straightening round stock as defined in claim 1, wherein: It also includes a dial gauge for detecting the surface of the circular bar (30).

8. A rotating floating clamp device for straightening a round bar stock as defined in claim 1 wherein: Two chuck jaws are provided with spherical chucks (28) away from the chuck seat (22), and the clamping structure is arranged on the side of the spherical chucks (28) close to each other.

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