CN112589209A

CN112589209A - Automatic multifunctional tapping detection production line for transmission support of electric seat

Info

Publication number: CN112589209A
Application number: CN202011546988.3A
Authority: CN
Inventors: 刘龙; 孙明云; 龙亮; 薛凯
Original assignee: Taidong Auto Parts Suzhou Co ltd
Current assignee: Taidong Auto Parts Suzhou Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-04-02

Abstract

The invention discloses an automatic tapping multifunctional detection production line for an electric seat transmission bracket, which comprises a conveying line, a tapping module, a first conveying mechanism for clamping and conveying workpieces tapped on the conveying line to a first detection unit, and a second conveying mechanism for clamping and conveying workpieces detected in the first detection unit to a first NG (natural gas) box or a second detection unit, wherein the first conveying mechanism is used for conveying the workpieces to the first NG box or the second NG box; the first detection unit comprises a supporting seat provided with a plurality of detection stations, a detection transfer module for sequentially transferring workpieces among the detection stations, a side hole detection module positioned beside the supporting seat, a threaded hole detection module and a first CCD detection assembly; the second detection unit comprises a detection jig and a plurality of second CCD detection assemblies positioned on the periphery of the detection jig. The invention can realize automatic feeding, automatic tapping and comprehensive multifunctional detection of the transmission bracket, meets the tapping and detection process requirements of the transmission bracket, greatly improves the production efficiency and the detection reliability, and ensures the product quality.

Description

Automatic multifunctional tapping detection production line for transmission support of electric seat

[ technical field ] A method for producing a semiconductor device

The invention belongs to the technical field of automation equipment, and particularly relates to an automatic tapping multifunctional detection production line for a transmission bracket of an electric seat.

[ background of the invention ]

At present, there is an electric seat transmission support, which needs to tap a threaded hole on the connecting seat plate surface on both sides of the support, and perform all-around detection on the flatness of the designated position of the transmission support, whether there are cracks at four bending positions, the position degree of the slotted holes on both sides, whether there is machining leakage in the threaded holes, whether there are cracks in the rectangular slotted holes, the position degree of the threaded holes, and whether there are bad phenomena such as mark or burr in the appearance. At present, no production line in the prior art can realize the processing and the detection, the tapping and the detection are carried out independently, the appearance detection adopts the manual visual observation to detect, the position degree and the flatness are matched with a jig to be manually put in for detection, the efficiency is extremely low, and the detection reliability is poor.

Therefore, it is necessary to develop an automatic tapping multifunctional detection production line for a power seat transmission bracket to solve the above problems.

[ summary of the invention ]

The invention mainly aims to provide an automatic tapping multifunctional detection production line for a transmission bracket of an electric seat, which can realize automatic feeding, automatic tapping and comprehensive multifunctional detection of the transmission bracket, meet the tapping and detection process requirements of the transmission bracket, greatly improve the production efficiency and the detection reliability and ensure the product quality.

The invention realizes the purpose through the following technical scheme: the multifunctional detection production line for automatic tapping of the transmission bracket of the electric seat comprises a conveying line, a tapping module for tapping a workpiece on the conveying line, a first conveying mechanism for clamping and conveying the workpiece tapped on the conveying line into a first detection unit, and a second conveying mechanism for clamping and conveying the workpiece detected in the first detection unit into a first NG box or a second detection unit; the first detection unit comprises a supporting seat provided with a plurality of detection stations, a detection transfer module for sequentially transferring workpieces among the detection stations, a side hole detection module positioned beside the supporting seat, a threaded hole detection module and a first CCD detection assembly; the second detection unit comprises a detection jig and a plurality of second CCD detection assemblies positioned on the periphery of the detection jig.

Furthermore, the tapping machine further comprises a tapping station located at the tail section of the conveying line, a material control unit located at the upstream of the tapping station and used for controlling the conveying speed of a workpiece, and a first positioning unit used for positioning the workpiece on the tapping station, wherein the tapping module is arranged above the tapping station.

Furthermore, the material control units and the first positioning units are arranged in two groups and are symmetrically arranged on two sides of the conveying line;

the material control unit comprises a first material blocking rod and a second material blocking rod which are arranged along the conveying direction, a first air cylinder which drives the first material blocking rod to move perpendicular to the conveying direction to block the workpiece from advancing, and a second air cylinder which drives the second material blocking rod to move perpendicular to the conveying direction to block the workpiece from advancing; the first material blocking rod and the second material blocking rod are matched to release one workpiece at a time;

the first positioning unit comprises a first blocking block for blocking the front end of a workpiece, a third air cylinder for driving the first blocking block to horizontally stretch, a second blocking block for blocking the rear end of the workpiece and limiting the front and rear freedom degrees of the workpiece by matching with the first blocking block, a fourth air cylinder for driving the second blocking block to horizontally stretch, and a third blocking block which is positioned on the second blocking block and limits the left and right freedom degrees of the workpiece by pressing the workpiece from the left and right sides of the workpiece; the device comprises a first upper pressing plate and a fifth air cylinder, wherein the first upper pressing plate is used for pressing a workpiece from the upper side, and the fifth air cylinder is used for driving the first upper pressing plate to move up and down.

Furthermore, a workpiece input station, a first detection station, a second detection station, a third detection station and a workpiece output station are sequentially arranged on the supporting seat in the first detection unit; the workpiece input station is used for receiving the workpiece on the first carrying mechanism; the side hole detection module and one of the threaded hole detection modules are positioned on the first detection station; the other threaded hole detection module is positioned on the second detection station; the first CCD detection assembly is positioned on the third detection station; and the workpiece output station is used for supporting the workpiece to wait for the second carrying mechanism to take away.

Furthermore, the detection transfer module comprises a seventh air cylinder, a third support plate driven by the seventh air cylinder to move along the conveying direction, an eighth air cylinder fixed on the third support plate, a support seat driven by the eighth air cylinder to move up and down, and material supporting seats which are equidistantly arranged on the support seat and jack up and support the workpiece on the support seat.

Further, the side opening detection module is provided with two sets of and symmetrical setting in the work piece left and right sides, and it includes the ninth cylinder, receives detection inserted bar, response in the slotted hole that the ninth cylinder drive level inserted the work piece and corresponds detect the sensor of inserted bar displacement distance.

Furthermore, the two threaded hole detection modules are respectively arranged at the first detection station and the second detection station and are used for respectively detecting the threaded holes on the left side and the right side of the workpiece;

the screw hole detection module comprises a second motor, a rotary sleeve driven by the second motor to rotate, an axial movable setting rod, a mounting rod fixed at the end part of the mounting rod, a threaded rod matched with a threaded hole in a workpiece, a jacking spring, a reset driving assembly and a torsion value acquisition controller, wherein the mounting rod can synchronously rotate in the rotary sleeve, the jacking spring is arranged in the rotary sleeve and used for upwards jacking the mounting rod, the reset driving assembly is used for driving the mounting rod to reset downwards, and the torsion value acquisition controller is connected with the second motor controller circuit and used for acquiring a torsion value.

Further, the second carrying mechanism comprises a third motor, a fourth supporting plate driven by the third motor to move parallel to the workpiece conveying direction, a twelfth air cylinder fixed on the fourth supporting plate, a fifth supporting plate driven by the twelfth air cylinder to move up and down, a rotary air cylinder fixed on the fifth supporting plate, a rotary plate driven by the rotary air cylinder to rotate, a second clamping jaw air cylinder fixed on the rotary plate, and a second clamping jaw driven by the second clamping jaw air cylinder to open or clamp.

Furthermore, the detection jig comprises a supporting vertical plate and a plurality of limiting jig blocks arranged on the supporting vertical plate, and a profiling chute which is vertically communicated and is profiled with the overall shape of the workpiece is formed between each limiting jig block and the supporting vertical plate;

the second detection unit further comprises a holding pressing block for fixedly holding a workpiece at a set height position on the lower section of the profiling chute, a thirteenth air cylinder for driving the holding pressing block to horizontally stretch and retract, and an avoidance opening which is formed in the supporting vertical plate and used for exposing a set part of the workpiece so that part of the second CCD detection assembly can be shot.

The blanking unit comprises a first material guide plate positioned below the blanking port, a second material guide plate butted with the tail end of the first material guide plate, a second NG box positioned below the first material guide plate and used for bearing unqualified products, a material receiving box used for bearing workpieces sliding out of the second material guide plate, and a fourteenth air cylinder used for driving the first material guide plate to overturn around one side of the first material guide plate to discharge NG products.

Compared with the prior art, the automatic tapping multifunctional detection production line for the transmission bracket of the electric seat has the beneficial effects that: the automatic tapping processing and the subsequent detection units are connected together by arranging the conveying line and matching with the conveying mechanism to form a set of automatic production line; through ingenious design detection station, supporting detection tool or the determine module that sets up, realized that work piece both sides jack, work piece about two screw holes, the rectangular slotted hole of work piece upper surface, the department defect of bending and a series of automated inspection such as face plane degree, great improvement detection efficiency, the comprehensiveness that detects and the reliability that detects, great guarantee the quality of product.

[ description of the drawings ]

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic partial view of a tapping conveyor according to an embodiment of the present invention;

FIG. 3 is a second partial schematic view of a tapping conveyor according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a first conveying mechanism according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a detecting unit according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a supporting base and a detecting transfer module according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of the side hole detecting module, the threaded hole detecting module and the second positioning unit in the embodiment of the present invention;

FIG. 8 is a schematic partial structure diagram of a threaded hole detection module according to an embodiment of the present invention;

FIG. 9 is a schematic structural view of a second carrying mechanism according to an embodiment of the present invention;

FIG. 10 is a schematic structural diagram of a second detecting unit according to an embodiment of the present invention;

the figures in the drawings represent:

100 automatic tapping multifunctional detection production line for electric seat transmission supports; 101, a workpiece;

the device comprises a conveying line 1, a chain conveying line 11, a limiting plate 12 and a first limiting baffle 13;

2, a tapping module;

the device comprises a 3-control unit, a 31 first material blocking rod, a 32 second material blocking rod, a 33 first air cylinder and a 34 second air cylinder;

4, a first positioning unit, 41 a first stop block, 42 a third air cylinder, 43 a second stop block, 44 a fourth air cylinder, 45 a first upper pressing plate and 46 a fifth air cylinder;

5, a first detection unit, a 51 support seat, a 511 positioning material receiving groove, a 512 strip-shaped groove, a 52 detection transfer module, a 521 seventh air cylinder, a 522 third support plate, a 523 eighth air cylinder, a 524 material supporting seat, a 53 side hole detection module, a 531 ninth air cylinder, a 532 detection insertion rod, a 533 sensor, a 54 threaded hole detection module, a 541 second motor, a 542 rotating sleeve, a 5421 strip-shaped groove, a 543 mounting rod, a 5431 limit stop rod, a 544 threaded rod, a 545 upward pushing spring, a 546 resetting driving component, a 5461 second limit baffle, a 5462 tenth air cylinder, a 547 linear bearing, a 55 first CCD detection component, a 56 second positioning unit, a 561 eleventh air cylinder and a 562 second upper pressure plate;

6 a first carrying mechanism, 61 a first motor, 62 a first supporting plate, 63 a sixth air cylinder, 64 a second supporting plate, 65 a first clamping jaw air cylinder and 66 a first clamping jaw;

7, a second detection unit, a 71 detection jig, a 711 supporting vertical plate, a 712 limiting jig block, a 713 profiling sliding groove, a 72 second CCD detection assembly, a 73 keeping pressing block, a 74 thirteenth air cylinder and a 75 blanking port;

8, a second carrying mechanism, 81, a third motor, 82, a fourth supporting plate, 83, a twelfth air cylinder, 84, a fifth supporting plate, 85, a rotating air cylinder, 86, a rotating plate, 87, a second clamping jaw air cylinder and 88, wherein the second clamping jaw is arranged on the second carrying mechanism;

9 a first NG tank; the feeding device comprises a 10 feeding unit, a 101 first material guide plate, a 102 second material guide plate, a 103 second NG box, a 104 material receiving box and a 105 fourteenth air cylinder.

[ detailed description ] embodiments

Example (b):

referring to fig. 1 to 3, a multifunctional inspection line 100 for automatic tapping of a power seat transmission rack of the present embodiment includes a conveying line 1 for conveying a workpiece, a tapping module 2 located above the conveying line 1 for tapping the workpiece, a first conveying mechanism 6 for clamping and conveying the workpiece tapped on the conveying line 1 to a first inspection unit 5, and a second conveying mechanism 8 for clamping and conveying the workpiece inspected in the first inspection unit 5 to a first NG box 9 or a second inspection unit 7; the first detection unit 5 comprises a supporting seat 51 provided with a plurality of detection stations, a detection transfer module 52 for sequentially transferring workpieces among the detection stations, a side hole detection module 53 positioned beside the supporting seat 51, a threaded hole detection module 54 for detecting whether a threaded hole exists or not and the perpendicularity of the threaded hole, and a first CCD detection assembly 55 for detecting whether cracks exist on the periphery of a slotted hole corresponding to the workpiece or not and the appearance of the workpiece; the second detection unit 7 comprises a detection jig 71 for detecting the flatness of the designated part of the workpiece and a plurality of second CCD detection assemblies 72 which are positioned on the periphery of the detection jig 71 and detect whether cracks exist at the bent part of the workpiece.

The workpiece 101 in this embodiment is an electric seat transmission support, and includes a horizontal plate surface, a side bending plate formed by bending downward edges of left and right ends of the horizontal plate surface, and a horizontal bending plate formed by bending outward horizontally from a bottom edge of the side bending plate. The horizontal plate surface is provided with a rectangular slotted hole, the side bending plate is provided with a circular slotted hole, and the horizontal bending plate is required to be tapped to form a threaded hole.

This embodiment still including be located the tapping station of 1 tail section of transfer chain, be located tap the accuse material unit 3 of tapping station upper reaches control work piece conveying speed, right tap the first positioning unit 4 that work piece on the station goes on fixing a position, tap the setting of tooth module 2 and be in tap the station top.

Conveying line 1 adopts chain conveying line 11 in this embodiment, and the both sides of chain conveying line 11 are provided with limiting plate 12, and the work piece just in time is supported in the work piece opening recess down stretched into with limiting plate 12 to the line body of chain conveying line 11, and two limiting plates are led spacing to work piece recess both sides inner wall, realize carrying. The tail end of the conveying line 1 is provided with a first limiting baffle 13 for blocking the advancing of the workpiece.

The material control units 3 are provided with two groups and symmetrically arranged on two sides of the conveying line 1, and each material control unit 3 comprises a first material blocking rod 31 and a second material blocking rod 32 which are arranged along the conveying direction, a first air cylinder 33 which drives the first material blocking rod 31 to move perpendicular to the conveying direction to block the advance of the workpiece, and a second air cylinder 34 which drives the second material blocking rod 32 to move perpendicular to the conveying direction to block the advance of the workpiece; the first material blocking rod 31 and the second material blocking rod 32 are matched to release one workpiece at a time.

The first positioning unit 4 is provided with two groups and symmetrically arranged at two sides of the conveying line 1, the first positioning unit 4 comprises a first blocking block 41 for blocking the front end of the workpiece, a third air cylinder 42 for driving the first blocking block 41 to horizontally extend and retract, a second blocking block 43 for blocking the rear end of the workpiece and matching with the first blocking block 41 to limit the front and rear freedom degrees of the workpiece, a fourth air cylinder 44 for driving the second blocking block 43 to horizontally extend and retract, and third blocking blocks (not shown in the figure) which are positioned on the second blocking block 43 and press the workpiece from the left side and the right side of the workpiece to limit the left and right freedom degrees of the workpiece. The first positioning unit 4 further comprises a first upper pressing plate 45 for pressing the workpiece from the upper side and a fifth cylinder 46 for driving the first upper pressing plate 45 to move up and down, and the workpiece is pressed by the first upper pressing plate 45, so that the workpiece can be effectively prevented from being lifted up along with the drill of the tapping module 2 after tapping is completed.

The first carrying mechanism 6 includes a first motor 61, a first support plate 62 driven by the first motor 61 to move along the conveying direction of the conveying line 1, a sixth air cylinder 63 fixed on the first support plate 62, a second support plate 64 driven by the sixth air cylinder 63 to move up and down, a first clamping jaw air cylinder 65 fixed on the second support plate 64, and a first clamping jaw 66 driven by the first clamping jaw air cylinder 65 to open or clamp.

A workpiece input station, a first detection station, a second detection station, a third detection station and a workpiece output station are sequentially arranged on the supporting seat 51 in the first detection unit 5; the workpiece input station is used for receiving workpieces on the first carrying mechanism 6; the side hole detection module 53 and one of the threaded hole detection modules 54 are positioned on the first detection station; another threaded hole detection module 54 is located at the second detection station; the first CCD detection assembly 55 is located on the third detection station; the workpiece output station is used for supporting the workpiece to wait for the second carrying mechanism 8 to take away.

The support base 51 is provided with a positioning material-receiving groove 511 for receiving and positioning a workpiece and a strip-shaped groove 512 penetrating each station corresponding to each station. The positioning material receiving slot 511 is provided with a positioning column (not marked in the figure) inserted into a hole corresponding to the workpiece to position the workpiece.

The detection transfer module 52 includes a seventh air cylinder 521, a third support plate 522 driven by the seventh air cylinder 521 to move along the conveying direction, an eighth air cylinder 523 fixed on the third support plate 522, a support base (not shown in the figure) driven by the eighth air cylinder 523 to move up and down, and a material support base 524 disposed on the support base at an equal distance and used for supporting the workpiece. Under the combined driving action of the seventh cylinder 521 and the eighth cylinder 523, the material supporting seat 524 enables the workpiece to sequentially pass through the first detection station, the second detection station and the third detection station from the workpiece input station to the workpiece output station.

The side hole detection module 53 is provided with two sets of and symmetrical settings in the left and right sides of the workpiece, the side hole detection module 53 comprises a ninth cylinder 531, a detection insertion rod 532 driven by the ninth cylinder 531 and horizontally inserted into a slot hole corresponding to the workpiece, and a sensor 533 for sensing the displacement distance of the detection insertion rod 532, and the detection through the sensor 533 detects the distance moved by the detection insertion rod 532, so that whether the position of the slot hole is correct or not can be judged.

The two threaded hole detection modules 54 are respectively arranged at the first detection station and the second detection station, and are used for respectively detecting the threaded holes on the left side and the right side of the workpiece. The screw hole detection module 54 includes a second motor 541, a rotating sleeve 542 driven by the second motor 541 to rotate, an installation rod 543 axially movably disposed in the rotating sleeve 542 and capable of rotating synchronously with the rotating sleeve 542, a threaded rod 544 fixed at an end of the installation rod 543 and engaged with a threaded hole on a workpiece, an upward spring 545 located in the rotating sleeve 542 and supporting the installation rod 543 upward, a reset driving assembly 546 driving the installation rod 543 to reset downward, and a torque value acquisition controller (not shown) electrically connected to the controller of the second motor 541 and acquiring a torque value.

The second motor 541 drives the rotating sleeve 542 to rotate, and simultaneously drives the mounting rod 543 and the threaded rod 544 to synchronously rotate, so that the threaded rod 544 has a certain extrusion effect upwards under the action of the upper ejection spring 545, and the threaded rod 544 can smoothly ascend to a set height and keep smooth rotation by utilizing the thread matching effect of the threaded rod 544 and a workpiece threaded hole; when the thread hole of the workpiece is tapped in a leakage manner or the verticality of the thread hole does not meet the requirement, the threaded rod 544 cannot normally rotate or needs to output a torsion value exceeding a set range by the second motor 541 if the threaded rod is very labored during rotation, and the torsion value is judged to exceed the set range by the torsion value acquisition controller, so that the threaded hole on the workpiece is judged to be unqualified.

In the present embodiment, the upward spring 545 applies an extrusion force to the threaded rod 544 to effectively prevent the threaded rod 544 from being broken, so that even if there is no threaded hole in the workpiece or if the perpendicularity of the threaded hole is insufficient, the threaded rod 544 is not broken due to the application of the upward spring 545, and when the torque force exceeds a set maximum torque force value, the threaded rod 544 can be prevented from being broken by timely stopping the second motor 541.

In this embodiment, a pair of axially distributed strip-shaped grooves 5421 is symmetrically disposed on the outer circumferential surface of the rotating sleeve 542, a pair of limit stop levers 5431 passing through the strip-shaped grooves 5421 is fixedly disposed on the mounting rod 543, the strip-shaped grooves 5421 limit the axial movement range of the limit stop levers 5431 on one hand, and on the other hand, the strip-shaped grooves 5431 are matched with the limit stop levers 5431 to realize synchronous rotation driving of the rotating sleeve 542 and the mounting rod 543.

The reset driving assembly 546 includes a second limit stopper 5461 positioned above the limit stopper 5431, and a tenth cylinder 5462 driving the second limit stopper 5461 to move up and down. The second limit baffle 5461 is provided with an avoiding hole (not shown) for the rotary sleeve 542 to pass through. The tenth air cylinder 5462 drives the second limit baffle 5461 to move downwards, so that the limit baffle 5431 is pushed downwards, the auxiliary threaded rod 544 exits the workpiece threaded hole downwards, and when the detection is not performed, the threaded rod 544 is blocked and ejected upwards.

After the second limit baffle 5461 cancels the limit function of the limit stop rod 5431, in order to form a large impact force instantly by instantly and rapidly ejecting the threaded rod upwards, the top of the rotating sleeve 542 is fixedly provided with a linear bearing 547, the installation rod 543 axially penetrates through the linear bearing 547, and the installation rod 543 is buffered in movement through the linear bearing 547.

The first detection station and the second detection station are both provided with a second positioning unit 56 for fixing the workpiece, and the second positioning unit 56 comprises an eleventh air cylinder 561 and a second upper pressing plate 562 which is driven by the eleventh air cylinder 561 to move up and down and press the workpiece.

Whether the rectangular groove hole on the upper surface of the workpiece has cracks or not and whether the appearance of the product has defects or not are mainly detected by the first CCD detecting component 55.

The second conveyance mechanism 8 includes a third motor 81, a fourth support plate 82 that is driven by the third motor 81 to move parallel to the workpiece conveyance direction, a twelfth air cylinder 83 fixed to the fourth support plate 82, a fifth support plate 84 that is driven by the twelfth air cylinder 83 to move up and down, a rotary air cylinder 85 fixed to the fifth support plate 84, a rotary plate 86 that is driven by the rotary air cylinder 85 to rotate, a second gripper air cylinder 87 fixed to the rotary plate 86, and a second gripper 88 that is driven by the second gripper air cylinder 87 to open or grip.

In the second detecting unit 7, the detecting jig 71 includes a supporting vertical plate 711, and a plurality of limiting jig blocks 712 disposed on the supporting vertical plate 711, wherein a profiling chute 713 which vertically penetrates through and profiles the overall shape of the workpiece is formed between the limiting jig blocks 712 and the supporting vertical plate 711. If the workpiece can smoothly slide down from the profiling chute 713 and the dimensional parameter of the workpiece meets the machining requirement, and if the workpiece cannot smoothly pass through the profiling chute 713, the dimensional parameter of the workpiece does not meet the machining requirement. The lower part of the profiling sliding groove 713 is provided with a feed opening 75, and qualified products can directly fall into the feed opening 75 and then fall into a material receiving box below. The flatness and the size of the set portion of the workpiece can be detected by the profiling chute 713.

The second detecting unit 7 further includes a holding press block 73 for fixing and holding the workpiece at a set height position on the lower section of the profiling chute 713, a thirteenth air cylinder 74 for driving the holding press block 73 to horizontally extend and retract, and an escape opening (not shown) provided on the supporting vertical plate 711 for exposing a set portion of the workpiece so that a part of the second CCD detecting element 72 can shoot the workpiece. In this embodiment, four second CCD detecting assemblies 72 are provided, the workpiece is in a laterally-reversed state in the profiling chute 713, two of the second CCD detecting assemblies 72 can detect whether cracks exist at the upper bending part (upper part in a horizontal state) of the side bending plate, and the other two second CCD detecting assemblies 72 can detect whether cracks exist at the lower bending part (lower part in a horizontal state) of the side bending plate.

The present embodiment further includes a blanking unit 10. The blanking unit 10 includes a first material guiding plate 101 located below the blanking port 75, a second material guiding plate 102 butted with the end of the first material guiding plate 101, a second NG box 103 located below the first material guiding plate 101 for receiving the unqualified products, a material receiving box 104 for receiving the workpieces slid out of the second material guiding plate 102, and a fourteenth air cylinder 105 for driving the first material guiding plate 101 to turn around one side thereof to discharge the NG products.

When the second CCD detecting component 72 detects an unqualified workpiece but still can smoothly pass through the profiling chute 713, the fourteenth cylinder 105 drives the first material guide plate 101 to overturn, so that the guiding function of the workpiece to the material receiving box 104 is lost, the unqualified workpiece can only fall into the second NG box 103, and automatic waste discharge is realized.

For a workpiece that cannot pass through the profiling chute 713 smoothly, the workpiece can be taken out manually.

The working principle of the automatic tapping multifunctional detection production line 100 for the transmission bracket of the electric seat in the embodiment is as follows: the workpiece is conveyed to a tapping station from the conveying line 1, the front-back, left-right and up-down freedom degree of the workpiece is limited through the first positioning unit 4, and then the tapping die set 2 taps the left and right horizontal bending plates of the workpiece to form two threaded holes; during tapping, the first material blocking rod 31 extends out to block the workpiece at the foremost position, the second material blocking rod 32 is in a retraction state, after tapping is completed, the second material blocking rod 32 extends out to block the workpieces arranged at the second position, and the workpiece at the foremost position moves to a tapping station under the conveying action of the conveying line 1 to tap the next workpiece; the last workpiece after tapping is moved to the tail end under the action of the conveying line 1 and is blocked by the first limit baffle 13, then the workpiece is clamped and conveyed to a workpiece input station in the first detection unit 5 by the first conveying mechanism 6, then the workpiece is moved to the first detection station through the detection transfer module 52, the workpiece on the first detection station is pressed and fixed downwards by the second positioning unit 56, the detection inserted rods 532 in the side hole detection modules 53 on the two sides of the workpiece extend out to detect the position degree of the slotted hole, meanwhile, the threaded rod 544 in the threaded hole detection module 54 rotates upwards to detect one threaded hole in the workpiece, after the detection is finished, the workpiece is moved to the second detection station, the second positioning unit 56 fixes the workpiece, the other threaded hole detection module 54 detects the threaded hole on the other side of the workpiece, and here, because the distance of the threaded holes on the left side and the right side of the workpiece is short, two threaded hole detection modules 54 cannot be arranged at the same time, so that two threaded holes are separately detected in two detection steps; after the detection of the threaded hole is finished, the workpiece is moved to a third detection station, and the rectangular slotted hole and the appearance of the workpiece are detected by using a first CCD detection assembly 55; after the detection is finished, the workpiece is moved to a workpiece output station, and if one of the workpieces is unqualified, the workpiece is clamped and placed in the first NG box 9 by the second conveying mechanism 8; if the detection is qualified, the workpiece is clamped and placed in the profiling sliding groove 713 in the second detection unit 7, before the workpiece is placed in the profiling sliding groove 713, the pressing block 73 is kept in an extending state to block the feed opening 75, if the workpiece is qualified, the workpiece can smoothly reach the pressing block 73, then whether the bent part is defective or not is detected through four second CCD detection assemblies 72 on the periphery, after the detection is finished, the pressing block 73 is kept to withdraw, the workpiece drops from the feed opening 75, if the detection is qualified, the workpiece falls into the material receiving box 104 under the guiding effect of the first material guide plate 101 and the second material guide plate 102, if the detection is unqualified, the second material guide plate 101 withdraws, and the workpiece directly drops from the feed opening 75 to the second NG box 103.

According to the automatic tapping multifunctional detection production line 100 for the transmission bracket of the electric seat, the automatic tapping processing and the subsequent detection units are connected together by arranging the conveying line and the conveying mechanism, so that a set of automatic production line is formed; through ingenious design detection station, supporting detection tool or the determine module that sets up, realized that work piece both sides jack, work piece about two screw holes, the rectangular slotted hole of work piece upper surface, the department defect of bending and a series of automated inspection such as face plane degree, great improvement detection efficiency, the comprehensiveness that detects and the reliability that detects, great guarantee the quality of product.

What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an automatic multi-functional detection production line of tapping of electric seat transmission support which characterized in that: the workpiece clamping and conveying device comprises a conveying line, a tapping module for tapping a workpiece on the conveying line, a first conveying mechanism for clamping and conveying the workpiece tapped on the conveying line to a first detection unit, and a second conveying mechanism for clamping and conveying the workpiece detected in the first detection unit to a first NG box or a second detection unit; the first detection unit comprises a supporting seat provided with a plurality of detection stations, a detection transfer module for sequentially transferring workpieces among the detection stations, a side hole detection module positioned beside the supporting seat, a threaded hole detection module and a first CCD detection assembly; the second detection unit comprises a detection jig and a plurality of second CCD detection assemblies positioned on the periphery of the detection jig.

2. The automatic tapping multifunctional detection production line for the transmission bracket of the electric seat as claimed in claim 1, wherein: the tapping machine is characterized by further comprising a tapping station located at the tail section of the conveying line, a material control unit located at the upper stream of the tapping station and used for controlling the conveying speed of a workpiece, and a first positioning unit used for positioning the workpiece on the tapping station, wherein the tapping module is arranged above the tapping station.

3. The automatic tapping multifunctional detection production line for the transmission bracket of the electric seat as claimed in claim 2, wherein: the material control units and the first positioning units are arranged in two groups and are symmetrically arranged on two sides of the conveying line;

4. The automatic tapping multifunctional detection production line for the transmission bracket of the electric seat as claimed in claim 1, wherein: a workpiece input station, a first detection station, a second detection station, a third detection station and a workpiece output station are sequentially arranged on the supporting seat in the first detection unit; the workpiece input station is used for receiving the workpiece on the first carrying mechanism; the side hole detection module and one of the threaded hole detection modules are positioned on the first detection station; the other threaded hole detection module is positioned on the second detection station; the first CCD detection assembly is positioned on the third detection station; and the workpiece output station is used for supporting the workpiece to wait for the second carrying mechanism to take away.

5. The automatic tapping multifunctional detection production line for the transmission bracket of the electric seat as claimed in claim 1, wherein: the detection transfer module comprises a seventh air cylinder, a third supporting plate driven by the seventh air cylinder to move along the conveying direction, an eighth air cylinder fixed on the third supporting plate, a supporting seat driven by the eighth air cylinder to move up and down, and material supporting seats which are arranged on the supporting seat at equal intervals and jack up and support workpieces on the supporting seat.

6. The automatic tapping multifunctional detection production line for the transmission bracket of the electric seat as claimed in claim 1, wherein: the side opening detection module is provided with two sets of and symmetrical settings in the left and right sides of the workpiece, and comprises a ninth cylinder, a detection inserted bar driven by the ninth cylinder to be horizontally inserted into a groove hole corresponding to the workpiece, and a sensor for sensing the displacement distance of the inserted bar.

7. The automatic tapping multifunctional detection production line for the transmission bracket of the electric seat as claimed in claim 4, wherein: the two threaded hole detection modules are arranged at the first detection station and the second detection station respectively and are used for detecting threaded holes on the left side and the right side of a workpiece respectively;

8. The automatic tapping multifunctional detection production line for the transmission bracket of the electric seat as claimed in claim 1, wherein: the second carrying mechanism comprises a third motor, a fourth supporting plate driven by the third motor to move parallel to the workpiece conveying direction, a twelfth air cylinder fixed on the fourth supporting plate, a fifth supporting plate driven by the twelfth air cylinder to move up and down, a rotary air cylinder fixed on the fifth supporting plate, a rotary plate driven by the rotary air cylinder to rotate, a second clamping jaw air cylinder fixed on the rotary plate, and a second clamping jaw driven by the second clamping jaw air cylinder to open or clamp.

9. The automatic tapping multifunctional detection production line for the transmission bracket of the electric seat as claimed in claim 1, wherein: the detection jig comprises a supporting vertical plate and a plurality of limiting jig blocks arranged on the supporting vertical plate, wherein a profiling chute which is vertically communicated and is profiled with the overall shape of the workpiece is formed between each limiting jig block and the supporting vertical plate;

10. The automatic tapping multifunctional detection production line for the transmission bracket of the electric seat as claimed in claim 9, wherein: the blanking unit comprises a first material guide plate positioned below the blanking port, a second material guide plate butted with the tail end of the first material guide plate, a second NG box positioned below the first material guide plate and used for bearing unqualified products, a material receiving box used for bearing workpieces sliding out of the second material guide plate, and a fourteenth air cylinder used for driving the first material guide plate to turn around one side of the first material guide plate to realize NG product discharge.