CN212397707U

CN212397707U - Different structure axle class spare straightener based on visual detection

Info

Publication number: CN212397707U
Application number: CN202021805620.XU
Authority: CN
Inventors: 刘今越; 赵洪飞; 薛路明; 吕航宇
Original assignee: Hebei University of Technology
Current assignee: Hebei University of Technology
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-01-26
Anticipated expiration: 2030-08-26

Abstract

The utility model relates to a straightening device for heterogeneous shaft parts based on visual detection, which comprises a clamping end mechanism, a detection mechanism, a push rod pressing mechanism, a clamping end feeding mechanism, a supporting platform feeding mechanism, a push rod and supporting platform connecting mechanism and a frame; the clamping end feeding mechanism is arranged at one end of the frame, and the clamping end mechanism is arranged on the clamping end feeding mechanism; the supporting platform feeding mechanism is installed on a bottom plate of the rack, the supporting platform mechanism is installed on the supporting platform feeding mechanism, the push rod pressing mechanism is installed on the lower surface of a top plate of the rack, the push rod and supporting platform connecting mechanism are connected with the push rod pressing mechanism and the supporting platform mechanism, the detection mechanism is installed on the push rod and supporting platform connecting mechanism, and under the action of the supporting platform feeding mechanism, the supporting platform mechanism, the push rod and a part of the supporting platform connecting mechanism, the detection mechanism and the push rod pressing mechanism move back and forth along the length direction of the rack. The device has the advantages of more compact structure and higher efficiency.

Description

Different structure axle class spare straightener based on visual detection

Technical Field

The utility model relates to a defect detection technology field specifically is a heterogeneous axle class spare straightener based on visual detection.

Background

With the continuous development of deep hole machining, the application requirements of heterogeneous shaft parts such as deep hole drills are more and more, and straightening is used as a necessary link of deep hole drill machining and is a key step for ensuring the quality and the drilling efficiency of the deep hole drill. At present, most straightening machines adopt a roller straightening mode and are mainly used for straightening shaft components with regular shapes. Because the surface of the heterogeneous shaft part has a special structure, for example, the surface of a deep hole drill has a chip removing groove, and the circumference of a stepped shaft has a shaft shoulder, the roller type straightening mode cannot be adopted, and the straightening mode of the existing heterogeneous shaft part still stays at the stage of manual straightening and semi-automatic straightening.

Document No. 201810771840.6 discloses an automatic straightening machine in which a turntable for holding a workpiece cannot be adjusted in position in the vertical direction, and a portion of the workpiece that is greatly deformed easily interferes with a pressing wheel; the two lead screws are adopted to drive the cushion blocks for supporting the workpiece to slide on the sliding table, so that the supporting positions of the pressing wheel and the workpiece are adjusted, more parts are needed, the structure is complex, and the synchronous rotation of the motors for driving the two lead screws to move must be ensured; the laser scanner of the straightening machine cannot adjust the position in the vertical direction, so that the phenomenon that a part with large workpiece deformation cannot be scanned possibly occurs, and the detection accuracy of the deformation position and the straightening accuracy are affected.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model discloses the technical problem who plans to solve provides a heterogeneous axle class spare straightener based on visual detection.

The utility model provides a technical scheme that technical problem adopted is:

a straightening device for a heterogeneous shaft part based on visual detection comprises a clamping end mechanism, a detection mechanism, a push rod pressing mechanism, a clamping end feeding mechanism, a supporting platform feeding mechanism, a push rod and supporting platform connecting mechanism and a rack; it is characterized in that the preparation method is characterized in that,

the clamping end feeding mechanism is arranged at one end of the frame, and the clamping end mechanism is arranged on the clamping end feeding mechanism; the device comprises a support platform feeding mechanism, a push rod pressing mechanism, a push rod and support platform connecting mechanism, a detection mechanism and a control mechanism, wherein the support platform feeding mechanism is arranged on a bottom plate of a rack;

the clamping end feeding mechanism comprises a connecting seat, a third sliding block, a third motor, a second screw nut, a screw connecting plate, a clamping end mounting seat and a third guide rail; the third motor is fixed on the upper part of the connecting seat, the lead screw connecting plate is fixedly connected with the middle part of the vertical plate of the connecting seat, third guide rails are respectively arranged on two sides of the lower part of the connecting seat, and the third guide rails are positioned below the lead screw connecting plate; the second lead screw is positioned between the two third guide rails, the upper end of the second lead screw is rotatably connected with the lead screw connecting plate, and the upper end of the second lead screw penetrates through the lead screw connecting plate and is fixedly connected with an output shaft of the third motor; the lower end of the second screw rod is rotationally connected with a bottom plate of the rack, and a second screw rod nut is slidably arranged on the second screw rod; one side of the clamping end mounting seat is fixedly connected with the second lead screw nut and the two third sliding blocks, and the clamping end mechanism is mounted on the clamping end mounting seat.

The push rod pressing mechanism comprises a first support connecting plate, a linear push rod, a pressure sensor, a second guide rail, a second sliding block and a stamping head; a plurality of second guide rails are fixed at the upper part of the rack at intervals, and each second guide rail is connected with a second sliding block in a sliding manner; one end of the first support connecting plate is fixedly connected with all the second sliding blocks; the linear push rod is fixed on the lower surface of the first support connecting plate, the pressure sensor is fixed at the tail end of a telescopic rod of the linear push rod, and the stamping head is fixedly connected with the pressure sensor;

the supporting platform feeding mechanism comprises a fifth motor, a third screw shaft end supporting seat, a fifth guide rail, a fifth sliding block, a second supporting connecting plate, a fourth screw nut and a third screw; two ends of a third screw are respectively installed on a bottom plate of the rack through a third screw shaft end supporting seat, and the third screw can rotate relative to the third screw shaft end supporting seat; one end of a third screw penetrates through a corresponding third screw shaft end supporting seat and is connected with an output shaft of a fifth motor, and the fifth motor is installed at one end of a bottom plate of the rack; the fourth screw nut is slidably mounted on the third screw; fifth guide rails are respectively arranged on two sides of the third screw rod and fixedly connected with a bottom plate of the rack, and a fifth sliding block is connected to each fifth guide rail in a sliding manner; a second support connecting plate is arranged on the fourth screw nut and the two fifth slide blocks, and a support platform mechanism is arranged on the second support connecting plate;

the supporting platform mechanism comprises a fourth motor, a second screw shaft end supporting seat, a fourth guide rail, a fourth sliding block, a supporting column, a supporting end head part, a bidirectional screw, a third screw nut and two supporting base plates; two ends of the bidirectional screw are respectively installed on the second support connecting plate through a second screw shaft end support seat, and the bidirectional screw can rotate relative to the second screw shaft end support seat; one end of the bidirectional screw penetrates through the corresponding second screw shaft end supporting seat and is connected with an output shaft of a fourth motor, and the fourth motor is installed at one end of the second supporting connecting plate; the two threaded parts of the bidirectional screw rod are respectively connected with a third screw rod nut in a sliding manner; a fourth guide rail is respectively arranged on two sides of the bidirectional screw rod and fixedly connected with the second support connecting plate; each fourth guide rail is connected with two fourth sliding blocks in a sliding manner, one supporting substrate is arranged on a third screw nut and the two fourth sliding blocks which are close to one end of the bidirectional screw, and the other supporting substrate is arranged on the third screw nut and the two fourth sliding blocks which are close to the other end of the bidirectional screw; each supporting substrate is fixedly provided with a supporting column, the two supporting columns are symmetrical relative to the stamping head, and each supporting column is fixedly provided with a supporting end head;

the push rod and supporting platform connecting mechanism comprises a detection connecting plate and a triangular connecting plate; the four end corners of the detection connecting plate are respectively provided with a triangular connecting plate, the triangular connecting plate at the upper part of the detection connecting plate is fixedly connected with the lower surface of the other end of the first support connecting plate, and the triangular connecting plate at the lower part of the detection connecting plate is fixedly connected with the second support connecting plate; the detection mechanism is installed on the detection connecting plate.

The device is matched with supporting end parts with different structures, in particular to a pointed supporting end part, a flat supporting end part or an arc groove supporting end part.

The clamping end mechanism comprises a first motor, a first motor flange, a bearing support and a three-jaw chuck; the first motor flange and the bearing support are fixed on the clamping end mounting seat, and the rotating shaft of the three-jaw chuck is rotatably mounted on the bearing support; the first motor is fixed on a first motor flange, and an output shaft of the first motor penetrates through the side surface of the first motor flange and is fixedly connected with a rotating shaft of the three-jaw chuck; the middle axial plane of the three-jaw chuck along the length direction of the rack is superposed with the middle axial plane of the support column along the length direction of the rack.

The detection mechanism comprises a second motor, a first lead screw shaft end supporting seat, a first lead screw nut, a first guide rail, a first sliding block, an annular light source, a light source connecting plate, a camera connecting plate, an industrial camera and a light source cover;

two ends of the first lead screw are respectively installed on the detection connecting plate through a first lead screw shaft end supporting seat, and the first lead screw can rotate relative to the first lead screw shaft end supporting seat; the upper end of the first lead screw penetrates through the corresponding first lead screw shaft end supporting seat and is fixedly connected with an output shaft of a second motor, and the second motor is fixedly connected with the detection connecting plate; the first lead screw nut is slidably mounted on the first lead screw; two sides of the first lead screw are respectively provided with a first guide rail, and the first guide rails are arranged on the detection connecting plate; each first guide rail is provided with a first sliding block in a sliding way; one side of the camera connecting plate is fixedly connected with the first screw rod nut and the two first sliding blocks, the industrial camera is installed on the other side of the camera connecting plate, and the axis of a lens of the industrial camera is coplanar with the axis of the stamping head; one end of the light source connecting plate is fixedly connected with the camera connecting plate, and the other end of the light source connecting plate is opposite to the camera connecting plate; the light source cover is embedded at the other end of the light source connecting plate, and the annular light source is arranged at the opening of the light source cover and is opposite to the lens of the industrial camera.

The connecting mechanism of the push rod and the supporting platform further comprises a drag chain and a drag chain connecting piece; one end of the drag chain is connected with the camera connecting plate through a drag chain connecting piece, and the other end of the drag chain is connected with the detection connecting plate.

The rack comprises a top plate, a bottom plate and side plates; the top plate and the bottom plate are respectively connected with the upper end and the lower end of the side plate, so that the whole machine frame is C-shaped; the bottom plate is provided with a groove along the length direction.

The connecting seat comprises a connecting seat vertical plate, a connecting seat base plate and a connecting seat supporting plate; the connecting seat base plate is arranged at one end of the bottom plate, the connecting seat vertical plate is vertically arranged on the connecting seat base plate, and the connecting seat vertical plate is parallel to the side plate of the rack; the connecting seat supporting plate is fixedly connected with the connecting seat vertical plate and the connecting seat base plate at the same time.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a push rod and supporting platform coupling mechanism are connected with punching press connecting plate, supporting connection board and detection mechanism respectively, can realize supporting platform mechanism, detection mechanism and the first three of punching press at the reciprocating motion of horizontal direction together under the effect of fifth motor, and the structure is compacter, and efficiency is higher.

2. The utility model discloses a gripper end feed mechanism realizes the lift of gripper end mechanism, and the position of adjustment work piece on the frame direction of height prevents that work piece and support tip from interfering in the testing process, ensures the rotary motion of work piece.

3. The utility model discloses a first lead screw realizes the lift of light source connecting plate, and then adjusts the position of industrial camera on the frame direction of height, ensures that the work piece warp great position and also lies in the camera lens field of vision within range of industrial camera all the time for this application can be applicable to and warp less work piece and also can be applicable to and warp great work piece.

4. The utility model discloses a spacing between two support end portions is adjusted to two-way lead screw, compares with the current mode that adopts two lead screws to adjust two support end intervals, and the operation is simpler, can make two intervals of supporting the end portion less through two-way lead screw moreover, also can be suitable for to the less work piece of deformation.

5. The utility model discloses a frame adopts the marble to make, and stability is good, intensity is big, hardness is high, can keep the high accuracy under heavy load, has ensured the precision of aligning.

6. The utility model discloses be provided with multiple support tip, can straighten to the different structure axle class spare of different grade type.

7. The utility model discloses be provided with pressure sensor in the position of punching press head, can detect aligning power, be favorable to the different required aligning power of deformation work piece of system collection, provide the data basis for the automatic aligning work of work piece.

8. The utility model discloses a deformation position that industry camera detected the work piece, compare in laser scanner's detection mode, the detection precision of industry camera is high, and field of vision wide, the real-time is stronger, has improved straightening efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a front view of the overall structure of the present invention;

fig. 3 is a schematic structural diagram of the rack of the present invention;

fig. 4 is a schematic structural diagram of the connection seat of the present invention;

FIG. 5 is a schematic structural view of the clamping end feeding mechanism of the present invention;

FIG. 6 is a schematic structural view of the clamping mechanism of the present invention;

fig. 7 is a schematic structural view of the push rod pressing mechanism of the present invention;

fig. 8 is a schematic structural view of the support platform feeding mechanism of the present invention;

fig. 9 is a schematic structural view of a support platform mechanism and a first support end portion of the present invention;

fig. 10 is a schematic structural view of the connecting mechanism of the push rod and the supporting platform according to the present invention;

fig. 11 is a schematic structural diagram of the detection mechanism of the present invention;

fig. 12 is a schematic structural view of a second support end of the present invention;

fig. 13 is a schematic structural view of a third support end of the present invention;

fig. 14 is a schematic structural view of the gun drill of the present invention;

fig. 15 is an elevation view of the drill of the present invention viewed in the axial direction;

fig. 16 is a schematic structural view of the stepped shaft of the present invention;

in the figure: 1. a clamping end mechanism; 2. a detection mechanism; 3. a push rod pressing mechanism; 4. a gripper end feed mechanism; 5. a support platform mechanism; 6. a support platform feed mechanism; 7. the push rod is connected with the supporting platform; 8. a frame;

11. a first motor; 12. a first motor flange; 13. a bearing support; 14. a three-jaw chuck; 15-a fifth coupling;

21. a second motor; 22. a second motor flange; 23. a first coupling; 24. a first lead screw shaft end supporting seat; 25. a first lead screw; 26. a first lead screw nut; 27. a first guide rail; 28. a first slider; 29. an annular light source; 210. a light source connecting plate; 211. a camera connection board; 212. an industrial camera; 213. a light source cover;

31. a first support connecting plate; 32. a linear push rod; 33. a pressure sensor; 34. a second guide rail; 35. a second slider; 36. punching a head;

41. a connecting seat; 42. a third motor flange; 43. a first grating scale; 44. a third slider; 45. a third motor, 46, a second coupling; 47. a second lead screw; 48. a second lead screw nut; 49. a lead screw connecting plate; 410. a clamping end mounting base; 411. a third guide rail;

51. a fourth motor; 52. a fourth motor flange; 53. a third coupling; 54. a second screw shaft end supporting seat; 55. a fourth guide rail; 56. a fourth slider; 57. supporting a substrate; 58. a support pillar; 59. supporting the end head portion; 510. a bidirectional lead screw; 511. a third lead screw nut;

61. a fifth motor; 62. a fifth motor flange; 63. a fourth coupling; 64. a third screw shaft end supporting seat; 65. a fifth guide rail; 66. a fifth slider; 67. a second support connecting plate; 68. a fourth lead screw nut; 69. a third lead screw;

71. detecting a connecting plate; 72. a triangular connecting plate; 73. a drag chain; 74. a tow chain connector;

81. a top plate; 82. a base plate; 83. a side plate;

141. a claw; 4101. a connecting seat vertical plate; 4102. a connecting seat substrate; 4103. a connecting seat supporting plate; 671. an end lug; 821-grooves.

Detailed Description

Specific embodiments of the present invention are given below. The specific examples are only used to illustrate the present invention in further detail, and do not limit the scope of the present invention.

The utility model provides a straightening device for heterogeneous shaft parts (a straightening device for short, see figures 1-16) based on visual detection, which comprises a clamping end mechanism 1, a detection mechanism 2, a push rod pressing mechanism 3, a clamping end feeding mechanism 4, a supporting platform mechanism 5, a supporting platform feeding mechanism 6, a push rod and supporting platform connecting mechanism 7 and a frame 8;

the clamping end feeding mechanism 4 is arranged at one end of the rack 8, the clamping end mechanism 1 is arranged on the clamping end feeding mechanism 4, the clamping end feeding mechanism 4 is used for adjusting the position of a workpiece in the height direction of the rack 8, and the clamping end mechanism 1 realizes the rotary motion of the workpiece; supporting platform feeding mechanism 6 is installed on the bottom plate of frame 8, supporting platform mechanism 5 is installed on supporting platform feeding mechanism 6, push rod pushing mechanism 3 is installed at the roof lower surface of frame 8, push rod and supporting platform coupling mechanism 7 are connected with push rod pushing mechanism 3 and supporting platform mechanism 5 simultaneously, detection mechanism 2 is installed on push rod and supporting platform coupling mechanism 7, under supporting platform feeding mechanism 6's effect, supporting platform mechanism 5, push rod and supporting platform coupling mechanism 7, detection mechanism 2 and push rod pushing mechanism 3's partly make reciprocating motion along the length direction of frame 8 together.

The frame 8 comprises a top plate 81, a bottom plate 82 and side plates 83; the top plate 81 and the bottom plate 82 are respectively connected with the upper end and the lower end of the side plate 83, so that the whole frame 8 is C-shaped, and the top plate 81, the bottom plate 82 and the side plate 83 can be integrally formed; the bottom plate 82 is provided with a groove 821 for mounting the support platform feed mechanism 6 along the length direction.

The clamping end feeding mechanism 4 comprises a connecting seat 41, a third motor flange 42, a first grating ruler 43, a third sliding block 44, a third motor 45, a second coupler 46, a second lead screw 47, a second lead screw nut 48, a lead screw connecting plate 49, a clamping end mounting seat 410 and a third guide rail 411;

the connecting seat 41 includes a connecting seat vertical plate 4101, a connecting seat base plate 4102 and a connecting seat support plate 4103; the connecting seat base plate 4102 is installed at one end of the bottom plate 82 of the frame 8 through bolts, the connecting seat vertical plate 4101 is vertically installed on the connecting seat base plate 4102, the connecting seat vertical plate 4101 and the connecting seat base plate 4102 form an L shape, the connecting seat vertical plate 4103 is fixedly connected between the connecting seat base plate and the connecting seat base plate to increase the stability, the connecting seat vertical plate 4101 is parallel to the side plate 83 of the frame 8, and the installation surface of the connecting seat vertical plate 4101 faces to one side; the connecting seat vertical plate 4101, the connecting seat base plate 4102 and the connecting seat support plate 4103 can be integrally formed;

the third motor 45 is fixed on the upper part of the connecting seat vertical plate 4101 through a third motor flange 42, and the output shaft of the third motor 45 is vertical to the bottom plate 82 of the frame 8; the lead screw connecting plate 49 is fixedly connected with the middle part of the connecting seat vertical plate 4101 through bolts, and the lead screw connecting plate 49 is vertical to the connecting seat vertical plate 4101; a third guide rail 411 is respectively arranged on two sides of the lower part of the connecting seat vertical plate 4101, and the third guide rail 411 is vertical to the bottom plate 82 of the rack 8 and is positioned below the screw connecting plate 49; the second lead screw 47 is located between the two third guide rails 411, the upper end of the second lead screw 47 is rotatably connected with the lead screw connecting plate 49, and the upper end of the second lead screw 47 penetrates through the lead screw connecting plate 49 and is fixedly connected with the output shaft of the third motor 45 through the second coupling 46; the lower end of the second lead screw 47 is rotatably connected with a bottom plate 82 of the frame 8, and the second lead screw nut 48 is slidably mounted on the second lead screw 47; one side of the clamping end mounting seat 410 is fixedly connected with the second lead screw nut 48 and the two third sliding blocks 44, and the clamping end mechanism 1 is mounted at the top of the clamping end mounting seat 410; under the action of the third motor 45, the second lead screw nut 48 slides on the second lead screw 47 in a reciprocating manner, so that the clamping end mechanism 1 is lifted in the height direction of the rack 8; the fixed end of the first grating ruler 43 is mounted on the lower surface of the lead screw connecting plate 49, and the moving end of the first grating ruler 43 is connected with one of the third sliders 44 and used for detecting the lifting distance of the clamping end mechanism 1 in the height direction of the rack 8.

The clamping end mounting base 410 is L-shaped as a whole, the vertical surface of the clamping end mounting base 410 is fixedly mounted on the second lead screw nut 48 and the two third sliding blocks 44, and the horizontal surface of the clamping end mounting base 410 is provided with the clamping end mechanism 1;

the clamping end mechanism 1 comprises a first motor 11, a first motor flange 12, a bearing support 13 and a three-jaw chuck 14; the first motor flange 12 and the bearing support 13 are both fixed on the clamping end mounting seat 410, and a distance for mounting a coupler exists between the first motor flange 12 and the bearing support; the rotating shaft of the three-jaw chuck 14 is rotatably arranged on the bearing support 13 through a bearing, and the rotating shaft of the three-jaw chuck 14 extends out of the bearing support 13; the first motor 11 is fixed on the first motor flange 12 through bolts, and the output shaft of the first motor 11 is parallel to the groove 821 of the bottom plate 82 and faces to the other end of the frame 8; an output shaft of the first motor 11 penetrates through the side surface of the first motor flange 12, is fixedly connected with a rotating shaft of the three-jaw chuck 14 through a fifth coupler 15, and the rotation of the three-jaw chuck 14 is realized through the first motor 11; three clamping jaws 141 are uniformly arranged on the three-jaw chuck 14, the clamping jaws 141 can move along the radial direction of the three-jaw chuck 14, and the clamping of a workpiece is realized by adjusting the positions of the three clamping jaws 141;

the push rod pressing mechanism 3 comprises a first support connecting plate 31, a linear push rod 32, a pressure sensor 33, a second guide rail 34, a second sliding block 35 and a punching head 36;

a plurality of second guide rails 34 (two in this embodiment) are fixed on the lower surface of the top plate 81 of the frame 8 at intervals, and a second sliding block 35 is slidably connected to each second guide rail 34; one end of the first support connecting plate 31 is fixedly connected with all the second sliding blocks 35 through bolts, and the other end of the first support connecting plate is fixedly connected with the upper part of the push rod and support platform connecting mechanism 7; the linear push rod 32 is fixed on the lower surface of the first support connecting plate 31, and the pressure sensor 33 is fixed at the tail end of a telescopic rod of the linear push rod 32 and used for detecting straightening pressure; the punching head 36 is fixedly connected with the pressure sensor 33 through threads and is used for straightening the workpiece; the punch head 36 is capable of reciprocating in the height direction of the frame 8 by the action of the linear push rod 32.

The supporting platform feeding mechanism 6 comprises a fifth motor 61, a fifth motor flange 62, a fourth coupler 63, a third screw shaft end supporting seat 64, a fifth guide rail 65, a fifth sliding block 66, a second supporting connecting plate 67, a fourth screw nut 68, a third screw 69 and a second grating ruler (not shown in the figure);

two ends of the third lead screw 69 are respectively mounted in the groove 821 of the bottom plate 82 through a third lead screw shaft end support seat 64, and the third lead screw 69 can rotate relative to the third lead screw shaft end support seat 64; one end of a third lead screw 69 passes through a corresponding third lead screw shaft end supporting seat 64 and is connected with an output shaft of a fifth motor 61 through a fourth coupler 63, and the fifth motor 61 is installed in a groove 821 of the bottom plate 82 through a fifth motor flange 62; a fourth lead screw nut 68 is slidably mounted on a third lead screw 69; fifth guide rails 65 are respectively arranged on two sides of the third screw 69, the fifth guide rails 65 are mounted on a bottom plate 82 of the rack 8 through bolts, and a fifth slider 66 is slidably connected to each fifth guide rail 65; a second support connecting plate 67 is arranged on the fourth lead screw nut 68 and the two fifth sliders 66, an end lug 671 for connecting the push rod with the support platform connecting mechanism 7 extends from one side of the second support connecting plate 67, and the support platform mechanism 5 is arranged on the second support connecting plate 67; under the action of the fifth motor 61, the support platform mechanism 5 can reciprocate along the length direction of the frame 8; the fixed end of the second grating ruler is installed on the bottom plate 82 of the frame 8, and the moving end of the second grating ruler is fixedly connected with one of the fifth sliding blocks 66 and used for detecting the moving distance of the supporting platform mechanism 5 in the horizontal direction.

The supporting platform mechanism 5 comprises a fourth motor 51, a fourth motor flange 52, a third coupler 53, a second lead screw shaft end supporting seat 54, a fourth guide rail 55, a fourth slider 56, a supporting column 58, a supporting end part 59, a bidirectional lead screw 510, a third lead screw nut 511 and two supporting base plates 57;

two ends of the bidirectional screw 510 are respectively mounted on the part of the second support connecting plate 67 avoiding the end ear 671 through the second screw shaft end supporting seat 54, and the bidirectional screw 510 can rotate relative to the second screw shaft end supporting seat 54; one end of the bidirectional screw 510 penetrates through the corresponding second screw shaft end supporting seat 54 and is connected with an output shaft of the fourth motor 51 through the third coupler 53, and the fourth motor 51 is installed at one end of the second supporting connecting plate 67 through the fourth motor flange 52; the two threaded parts of the bidirectional screw 510 are respectively connected with a third screw nut 511 in a sliding manner; the two sides of the bidirectional screw 510 are respectively provided with a fourth guide rail 55, and the fourth guide rails 55 are fixed on the two sides of the second support connecting plate 67 through bolts; each fourth guide rail 55 is connected with two fourth sliding blocks 56 in a sliding manner, one supporting base plate 57 is arranged on the third screw nut 511 and the two fourth sliding blocks 56 which are close to one end of the bidirectional screw 510, and the other supporting base plate 57 is arranged on the third screw nut 511 and the two fourth sliding blocks 56 which are close to the other end of the bidirectional screw 510; each supporting base plate 57 is fixed with a supporting column 58, the two supporting columns 58 are symmetrical about the stamping head 36, and the central axial plane of the supporting column 58 along the length direction of the rack 8 is superposed with the central axial plane of the three-jaw chuck 14 along the length direction of the rack 8, so that the supporting column 58 is prevented from shifting and cannot accurately support a workpiece; each support post 58 is fixed with a support end head 59, and the distance between the two support end heads 59 is adjusted by a bidirectional screw 510.

The push rod and supporting platform connecting mechanism 7 comprises a detection connecting plate 71, a triangular connecting plate 72 and a third grating ruler (not shown in the figure); triangular connecting plates 72 are arranged on four end corners of the detection connecting plate 71, the triangular connecting plate 72 on the upper portion of the detection connecting plate 71 is fixedly connected with the lower surface of one end, where the linear push rod 32 is not installed, of the first support connecting plate 31, and the triangular connecting plate 72 on the lower portion of the detection connecting plate 71 is fixedly connected with an end lug 671 of the second support connecting plate 67; the detection mechanism 2 is arranged on the detection connecting plate 71; the fixed end of the third grating ruler is arranged on the detection connecting plate 71, and the moving end of the third grating ruler is arranged on a first slide block 28 of the detection mechanism 2 and is used for detecting the lifting distance of the detection mechanism 2;

under the action of the fifth motor 61, the fourth lead screw nut 68 slides on the third lead screw 69, so as to drive the second support connecting plate 67 to slide along the third lead screw 69, further drive the whole push rod and the support platform connecting piece mechanism 7 to slide along the third lead screw 69, so that the second slider 35 passively slides on the second guide rail 34, and the support platform mechanism 5, the detection mechanism 2 and the stamping head 36 reciprocate in the length direction of the rack 8 together through the push rod and the support platform connecting piece mechanism 7.

The detection mechanism 2 comprises a second motor 21, a second motor flange 22, a first coupler 23, a first lead screw shaft end support seat 24, a first lead screw 25, a first lead screw nut 26, a first guide rail 27, a first slide block 28, an annular light source 29, a light source connection plate 210, a camera connection plate 211, an industrial camera 212 and a light source cover 213;

two ends of the first lead screw 25 are respectively mounted on the side surface of the detection connecting plate 71 through a first lead screw shaft end supporting seat 24, the first lead screw 25 can rotate relative to the first lead screw shaft end supporting seat 24, and the first lead screw 25 is perpendicular to the bottom plate 82 of the rack 8; the upper end of the first lead screw 25 penetrates through the corresponding first lead screw shaft end supporting seat 24 and is fixedly connected with the output shaft of the second motor 21 through the first coupler 23, and the second motor 21 is connected with the detection connecting plate 71 through the second motor flange 22; a first lead screw nut 26 is slidably mounted on the first lead screw 25; two sides of the first lead screw 25 are respectively provided with a first guide rail 27, and the first guide rails 27 are parallel to the first lead screw 25 and are connected with the detection connecting plate 71 through bolts; each first guide rail 27 is provided with a first sliding block 28 in a sliding way; one side of the camera connecting plate 211 is fixedly connected with the first screw nut 26 and the two first sliding blocks 28 through screws, the industrial camera 212 is installed on the other side of the camera connecting plate 211, and the axis of a lens of the industrial camera 212 is coplanar with the axis of the stamping head 36, so that the stamping head 36 is ensured to just act on the deformation position of a workpiece; the light source connecting plate 210 is L-shaped, one end of the light source connecting plate 210 is fixedly connected with the camera connecting plate 211, and the other end of the light source connecting plate 210 is opposite to the camera connecting plate 211; one end of the light source cover 213 has an opening, the light source cover 213 is embedded in the other end of the light source connecting plate 210, and the opening end of the light source cover 213 penetrates through the light source connecting plate 210; the annular light source 29 is arranged at the opening of the light source cover 213 and faces the lens of the industrial camera 212, and the workpiece is positioned between the annular light source 29 and the industrial camera 212; under the action of the second motor 21, the camera connecting plate 211 can slide back and forth along the first guide rail 27, so that the industrial camera 212 can be lifted and lowered in the height direction of the frame 8.

The push rod and support platform connecting mechanism 7 further comprises a drag chain 73 and a drag chain connecting piece 74; one end of the drag chain 73 is connected with the camera connecting plate 211 through the drag chain connecting piece 74, the other end is connected with the detection connecting plate 71, and a power line of an electric component of the detection mechanism 2 passes through a gap in the middle of the drag chain 73, so that the power line is prevented from interfering with the lifting motion of the industrial camera 212.

The frame 8 is integrally formed and machined by marble.

The supporting end parts 59 with different structures are matched for different types of heterogeneous shaft parts; the supporting end head 59 shown in fig. 9 has a plurality of 120-degree arc surfaces on the end surface, all of which form a tip at the center of the end surface of the supporting end head 59, and the tip-type supporting end head 59 is suitable for a gun drill (shown in fig. 14 and 15); because the gun drill is provided with the chip removing groove, the tip of the supporting end part 59 is matched with the chip removing groove of the gun drill, the contact area of the end surface of the supporting end part 59 and the chip removing groove is increased, and the stress concentration is reduced; the supporting end head 59 shown in fig. 12 has a flat head on the end face, and is suitable for a workpiece with a smaller diameter, and because the straightening force required by the workpiece with the smaller diameter is smaller, even if the supporting end head 59 forms point contact with the workpiece, the stress concentration degree is smaller, and the damage to the workpiece is not influenced; the support end head portion 59 shown in fig. 13 has an arc surface of a concave type adapted to the stepped shaft, and the arc surface of the support end head portion 59 is brought into surface contact with the circumferential direction of the stepped shaft to reduce stress concentration.

The utility model discloses a theory of operation and work flow are:

initial position adjustment of the part: adjusting the jaws 141 of the three-jaw chuck 14 by using a hexagon socket wrench, mounting one end of the workpiece on the three-jaw chuck 14, and clamping the workpiece by the jaws 141; the supporting platform mechanism 5 is positioned at the far end of the clamping end mechanism 1 at the initial position; adjusting the position of the clamping end mechanism 1 in the height direction of the frame 8 so that the workpiece is positioned above the supporting end part 59 and is not in contact with the supporting end part 59 and the punching head 36; starting the second motor 21 to drive the first lead screw nut 26 to slide on the first lead screw 25, and further adjusting the position of the industrial camera 212 in the height direction of the rack 8, so that the contour of the workpiece at the current position is completely located within the visual field range of the lens of the industrial camera 212; the fourth motor 51 is started, the distance between the two supporting columns 58 is reasonably adjusted according to the size of each local deformation part of the workpiece, so that the local large deformation part of the workpiece is positioned between the two supporting end parts 59, and meanwhile, the phenomenon that the straightening effect is influenced due to the fact that the distance between the two supporting end parts 59 is too large is avoided, and the initial position adjustment of the part is completed.

Deformation detection and straightening: starting the first motor 11 to drive the three-jaw chuck 14 to rotate so as to rotate the workpiece; starting the fifth motor 61, driving the fourth lead screw nut 68 to slide on the third lead screw 69 towards the proximal end of the gripper end mechanism 1, and further driving the support platform mechanism 5, the push rod, the support platform connecting mechanism 7, the detection mechanism 2 and the stamping head 36 to move towards the proximal end of the gripper end mechanism 1 together, so that the industrial camera 212 also moves towards the proximal end of the gripper end mechanism 1, and meanwhile, the industrial camera 212 detects the workpiece; when the deformation of the workpiece is detected to be greater than 10% of the length of the workpiece and the outline of the deformed part of the workpiece is completely positioned in the visual field range of the industrial camera 212, the first motor 11 stops working, and the workpiece stops rotating; the fifth motor 61 continues to rotate, so that the supporting platform mechanism 5, the push rod and supporting platform connecting mechanism 7, the detection mechanism 2 and the stamping head 36 move for a certain distance, and the fifth motor 61 stops rotating when the deformation position of the workpiece is positioned at the midpoint of the two supporting end heads 59; then, starting the first motor 11 to enable the three-jaw chuck 14 to rotate to drive the workpiece to rotate, and enabling the deformation position of the workpiece to face the punching head 36; starting the third motor 45 to drive the second lead screw nut 48 to slide on the second lead screw 47, so that the clamping end mechanism 1 moves towards the direction of the bottom plate 82, and the workpiece is contacted with the supporting end head 59; starting the linear push rod 32, driving the stamping head 36 to move downwards and act on the deformed part of the workpiece, and then pressing the workpiece downwards to realize the straightening of the workpiece; the pressure sensor 33 monitors the straightening pressure in real time in the straightening process;

in the detection process, when the profile of the workpiece deformation portion cannot be completely located within the visual field of the industrial camera 212, the second motor 21 is started to drive the first lead screw nut 26 to slide on the first lead screw 25, so as to adjust the position of the industrial camera 212 in the height direction of the rack 8, and the profile of the workpiece deformation portion is completely located within the visual field of the lens of the industrial camera 212.

After the detection and straightening of one deformed position of the workpiece are finished, the first motor 11 and the fifth motor 61 continue to work, and the device repeats the operations of deformation detection and straightening until the detection and straightening of all deformed positions of the workpiece are finished.

The utility model discloses the nothing is mentioned the part and is applicable to prior art.

Claims

1. A straightening device for a heterogeneous shaft part based on visual detection comprises a clamping end mechanism, a detection mechanism, a push rod pressing mechanism, a clamping end feeding mechanism, a supporting platform feeding mechanism, a push rod and supporting platform connecting mechanism and a rack; it is characterized in that the preparation method is characterized in that,

2. The straightening device for the heterogeneous shaft parts based on the visual inspection is characterized in that the push rod pressing mechanism comprises a first support connecting plate, a linear push rod, a pressure sensor, a second guide rail, a second sliding block and a punching head; a plurality of second guide rails are fixed at the upper part of the rack at intervals, and each second guide rail is connected with a second sliding block in a sliding manner; one end of the first support connecting plate is fixedly connected with all the second sliding blocks; the linear push rod is fixed on the lower surface of the first support connecting plate, the pressure sensor is fixed at the tail end of a telescopic rod of the linear push rod, and the stamping head is fixedly connected with the pressure sensor;

3. The straightening device for the special-shaped shaft parts based on the visual inspection as claimed in claim 2, wherein the device is matched with supporting end parts with different structures, in particular a pointed supporting end part, a flat supporting end part or a circular arc groove supporting end part.

4. The straightening device for the heterogeneous shaft parts based on the visual inspection is characterized in that the clamping end mechanism comprises a first motor, a first motor flange, a bearing support and a three-jaw chuck; the first motor flange and the bearing support are fixed on the clamping end mounting seat, and the rotating shaft of the three-jaw chuck is rotatably mounted on the bearing support; the first motor is fixed on a first motor flange, and an output shaft of the first motor penetrates through the side surface of the first motor flange and is fixedly connected with a rotating shaft of the three-jaw chuck; the middle axial plane of the three-jaw chuck along the length direction of the rack is superposed with the middle axial plane of the support column along the length direction of the rack.

5. The straightening device for the heterogeneous shaft parts based on the visual inspection is characterized in that the detection mechanism comprises a second motor, a first lead screw shaft end supporting seat, a first lead screw nut, a first guide rail, a first sliding block, an annular light source, a light source connecting plate, a camera connecting plate, an industrial camera and a light source cover;

6. The straightening device for the heterogeneous shaft parts based on the visual inspection according to claim 5, wherein the connecting mechanism of the push rod and the supporting platform further comprises a drag chain and a drag chain connecting piece; one end of the drag chain is connected with the camera connecting plate through a drag chain connecting piece, and the other end of the drag chain is connected with the detection connecting plate.

7. The straightening device for the heterogeneous shaft parts based on the visual inspection is characterized in that the rack comprises a top plate, a bottom plate and side plates; the top plate and the bottom plate are respectively connected with the upper end and the lower end of the side plate, so that the whole machine frame is C-shaped; the bottom plate is provided with a groove along the length direction.

8. The vision inspection-based straightening device for the heterogeneous shaft parts according to claim 7, wherein the connecting seat comprises a connecting seat vertical plate, a connecting seat base plate and a connecting seat supporting plate; the connecting seat base plate is arranged at one end of the bottom plate, the connecting seat vertical plate is vertically arranged on the connecting seat base plate, and the connecting seat vertical plate is parallel to the side plate of the rack; the connecting seat supporting plate is fixedly connected with the connecting seat vertical plate and the connecting seat base plate at the same time.