CN211888770U - PCI-E pin punch forming equipment based on machine vision adjustment - Google Patents

Abstract

The invention belongs to the technical field of stamping equipment, and particularly relates to PCI-E pin stamping forming equipment based on machine vision adjustment. The device comprises a servo control feeding mechanism for conveying workpieces, wherein a stamping mechanism for carrying the workpieces and performing stamping forming on the workpieces is arranged on one side of the servo control feeding mechanism, a machine vision detection mechanism for performing error measurement on the stamped and formed workpieces is arranged on the other side of the stamping mechanism, and the machine vision detection mechanism detects the total travel deviation of the workpieces from first-step stamping to the time when the workpieces are conveyed to the machine vision detection mechanism for amplification and feeds the total travel deviation back to the servo control feeding mechanism. The invention detects the total stroke deviation amount of the first step stamping of the pins and conveyed to the machine vision detection through the machine vision detection, amplifies the deviation amount, feeds the deviation amount back to the servo control feeding mechanism, and can accurately adjust the single-cycle stroke of the motor by adjusting the step number of the motor, thereby improving the position precision of the pins in the production process and reducing unnecessary waste materials.

Description

PCI-E pin punch forming equipment based on machine vision adjustment

[ technical field ] A method for producing a semiconductor device

The invention belongs to the technical field of stamping equipment, and particularly relates to PCI-E pin stamping forming equipment based on machine vision adjustment.

[ background of the invention ]

In the technical process of inserting the PCI-E pin row into the notch of the plastic body, because the pin size is small and the locking is realized by adopting a barb or interference fit mode, the position precision of each pin in the pin row in the production process is required to be high, and the continuity of the next procedure is realized by cutting the pin row with unqualified position precision in the conventional production mode, so that unnecessary waste materials are relatively generated, and the PCI-E pin row is formed by adopting a stamping process.

However, the PCI-E pins may deform after being subjected to press forming, and meanwhile, the position accuracy of each pin in the pin row may generate an error in the production process due to friction generated in the feeding process and abrasion caused by pressure feeding deformation.

In addition, the conventional pin row is fed in a tooth type meshing transmission mode similar to chain transmission, but because PCI-E pins are extremely small, the pin deformation is easily caused when the pin row is fed in the tooth type meshing transmission mode similar to the chain transmission, and waste materials are generated.

[ summary of the invention ]

The problem that in the prior art, the position accuracy of the pin is not qualified due to the fact that the pin is not accurately adjusted due to errors generated in the production process is solved.

The invention is realized by the following technical scheme:

the utility model provides a PCI-E pin stamping forming equipment based on machine vision adjustment, includes the punching press mechanism, including the servo control feed mechanism who carries the work piece, servo control feed mechanism one side is equipped with accepts the work piece and carries out stamping forming's punching press mechanism to the work piece, punching press mechanism opposite side is equipped with carries out error measurement's machine vision detection mechanism to the work piece after the punching press shaping, machine vision detection mechanism detects the total stroke deviation that the work piece was carried the detection position from first step punching press to the work piece, feeds back to servo control feed mechanism again.

According to the PCI-E pin punch forming equipment based on machine vision adjustment, the actual single-cycle stroke of the workpiece is y 'by the actual operation of the servo control feeding mechanism in each step, and the actual total stroke of the workpiece from the first step of punching to the step that the workpiece is conveyed to the machine vision detection mechanism is integral multiple of the actual single-cycle stroke y', and then the actual total stroke is fed back to the servo control feeding mechanism to adjust the single-cycle stroke.

The PCI-E pin punch forming equipment based on machine vision adjustment comprises a punch mechanism bracket, a female die base is arranged on the stamping mechanism bracket, a die pressing bottom plate for a pressing die is arranged above the female die base, a die bottom plate for mounting a die is arranged above the die bottom plate, a feeding guide block for receiving and guiding a workpiece is arranged on the female die base, a left barb blanking station, a right barb blanking station, a contour flattening blanking station and a punching and bending station are sequentially arranged on one side of the feeding guide block along the feeding direction, the other side of the punching and bending station is provided with a discharging guide block which is positioned on the female die base and used for discharging and guiding the workpieces formed by punching, the servo control feeding mechanism operates for a single period every time, and the left barb blanking station, the right barb blanking station, the outline flattening blanking station and the punching and bending station synchronously complete one-time punching.

As above PCI-E pin stamping forming equipment based on machine vision adjustment, left side overhead kick blanking station is including locating the left overhead kick die that is close to the pan feeding guide block on the die base, be equipped with left overhead kick briquetting on the left side overhead kick die, left side overhead kick die and left overhead kick briquetting are located between die base and the moulding-die bottom plate, left side overhead kick briquetting top is equipped with the left overhead kick die cutter who connects on the die bottom plate and run through moulding-die bottom plate, left overhead kick briquetting and left overhead kick die.

The PCI-E pin punch forming equipment based on machine vision adjustment comprises a die base, a die pressing plate, a die pressing block, a right barb punching station, a right barb pressing block, a right barb punching cutter, a right barb pressing block, a left barb pressing block, a right barb pressing cutter and a right barb pressing block, wherein the right barb pressing block is arranged on the die pressing plate and penetrates through the die pressing plate, the right barb pressing block and the right barb pressing block.

The PCI-E pin punch forming equipment based on machine vision adjustment comprises a flattening profile blanking station, wherein the flattening profile blanking station comprises a punching die which is arranged on a die base and is close to one side of a right inverted hook die, a punching press block is arranged on the punching die, the punching die and the punching press block are positioned between the die base and a pressing die bottom plate, and a punching knife which is connected to the die bottom plate and penetrates through the pressing die bottom plate, the punching press block and the punching die is arranged on the punching press block.

According to the PCI-E pin punch forming equipment based on machine vision adjustment, the punching and bending station comprises a punching and bending lower die which is arranged on the die base and close to one side of the punching and forming die, and a punching and bending knife which is connected to the punching die bottom plate and penetrates through the pressing die bottom plate is arranged above the punching and bending lower die.

According to the PCI-E pin punch forming equipment based on machine vision adjustment, the female die base is provided with the guide pillars, the guide pillars sequentially penetrate through the die base plate and the die base plate, springs for resetting the die are arranged between the female die base and the die base plate and between the die base plate and the die base plate, the springs are sleeved on the guide pillars, the upper ends of the guide pillars are connected with the upper beam, and a cylinder for providing punching force is arranged above the upper beam.

According to the PCI-E pin punch forming equipment based on machine vision adjustment, the servo control feeding mechanism comprises a feeding frame for conveying a workpiece, a pressing wheel arranged at the upper end of the feeding frame and used for pressing and conveying the workpiece, a power wheel arranged at the lower end of the feeding frame and matched with the pressing wheel to convey the workpiece, and a servo motor connected with the power wheel and used for controlling the power wheel to rotate.

According to the PCI-E pin punch forming equipment based on machine vision adjustment, the machine vision detection mechanism comprises a camera support and a detection camera which is arranged on the camera support and used for detecting the position deviation value of the workpiece before and after punching and feeding back the position deviation value to the servo motor for adjustment.

Compared with the prior art, the invention has the following advantages:

1. the invention provides a PCI-E pin punch forming device based on machine vision adjustment, which detects the total travel deviation accumulated by n travels from the first step of punching to the completion of punching of a PCI-E pin workpiece through a machine vision detection mechanism, thereby amplifying an error value, and the amplified error value meets the minimum error detection requirement of the machine vision detection mechanism on the PCI-E pin workpiece, so that the detection of the vision detection mechanism is more accurate. And the obtained single-period stroke deviation value is fed back to the servo motor through calculation, so that the position precision requirement of the PCI-E pin in the production process is met.

2. According to the PCI-E pin punch forming equipment based on machine vision adjustment, the upper and lower compression dies of the punching and hooking station adopt a combined die mode, so that a workpiece can be machined in a simple machining mode without adopting a drilling and linear cutting machining mode, the roughness of the surface of the workpiece is guaranteed, the manufacturing precision is high, and the machining cost is reduced.

3. According to the PCI-E pin punch forming equipment based on machine vision adjustment, the feeding process adopts a friction mode for feeding, the rubber coating process is adopted, the rubber coating pressing wheel and the rubber coating power wheel are matched for feeding, the friction force is adjusted through air cylinder pressure adjustment, and the condition that a workpiece is not crushed while the friction force is increased can be ensured.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is an exploded view of the stamping mechanism of the present invention;

FIG. 3 is a perspective view of a servo-controlled feed mechanism of the present invention;

fig. 4 is a perspective view of the machine vision inspection mechanism of the present invention.

[ detailed description ] embodiments

In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

When embodiments of the present invention refer to the ordinal numbers "first", "second", etc., it should be understood that the words are used for distinguishing between them unless the context clearly dictates otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 4, the PCI-E pin stamping forming apparatus based on machine vision adjustment includes a servo control feeding mechanism 1 for conveying a workpiece, a stamping mechanism 2 for receiving the workpiece and stamping the workpiece, and a machine vision detection mechanism 3 for performing error measurement on the stamped workpiece, wherein the stamping mechanism 2 is disposed on one side of the servo control feeding mechanism 1, the machine vision detection mechanism 3 detects a total travel deviation amount, which is equivalent to an error amplification, of the workpiece from the first-step stamping to the workpiece conveyed to the machine vision detection mechanism 2, and feeds the total travel deviation amount back to the servo control feeding mechanism 1. The PCI-E pin workpiece is fed one by the servo control feeding mechanism 1, the servo control feeding mechanism 1 theoretically operates each step to enable the workpiece displacement to be a single cycle stroke y, namely the theoretical operation stroke of the servo control feeding mechanism 1 from a first station of the stamping mechanism 2 to the workpiece sending stamping mechanism 2 is an integral multiple of y, the servo control feeding mechanism 1 actually operates each step to enable the workpiece displacement to be a single cycle stroke y ', the total stroke deviation is an integral multiple of y ' -y, the total stroke deviation amount of the machine vision detection pin is n (y ' -y) if the step number required by the workpiece for detecting the distance from the first stamping to the sending stamping mechanism 2 is n, the deviation amount is amplified and fed back to the servo motor 32 by the method, so that the servo motor 32 can more accurately adjust the single cycle step number, the single-cycle stroke of the adjusted servo motor 32 is more accurate, and after each trimming, the subsequent pins can be accurately machined.

Further, PCI-E pin stamping forming equipment based on machine vision adjustment, punching press mechanism 2 includes punching press mechanism bracket 4, be equipped with die base 5 on punching press mechanism bracket 4, be equipped with moulding-die bottom plate 6 that is used for the moulding-die above die base 5, moulding-die bottom plate 6 top is equipped with the die bottom plate 7 of installation die, be equipped with the pan feeding guide block 8 of accepting and leading the work piece on die base 5, pan feeding guide block 8 one side is equipped with left barb blanking station 9, right barb blanking station 10, flat outline blanking station 11 and the station 12 of slumping in proper order along the pay-off direction, the opposite side of station 12 of slumping is equipped with and is located die base 5 and carries out the ejection of compact guide block 13 that the ejection of compact was led and is sent to the work piece of slumping. The feeding guide block 8 receives a workpiece and then sequentially conveys the workpiece to a left and right barb punching station, a profile flattening punching station and a bending station to complete mold filling, and then conveys the workpiece to a discharging guide block to be guided to a detection mechanism for detection.

Still further, the left barb blanking station 9 comprises a left barb female die 14 which is arranged on the female die base 5 and is close to the feeding guide block 8, the left barb female die 14 is provided with a left barb pressing block 18, the left barb female die 14 and the left barb pressing block 18 are positioned between the female die base 5 and the pressing die bottom plate 6, a left barb punch 21 connected to the punch die bottom plate 7 and penetrating through the die bottom plate 6, the left barb press block 18 and the left barb female die 14 is arranged above the left barb press block 18, the right barb blanking station 10 comprises a right barb female die 15 which is arranged on the female die base 5 and is close to the left barb female die 14, the right barb female die 15 is provided with a right barb pressing block 19, the right barb female die 15 and the right barb pressing block 19 are positioned between the female die base 5 and the pressing die bottom plate 6, and a right barb punch 22 which is connected to the die bottom plate 7 and penetrates through the die bottom plate 6, the right barb pressing block 19 and the right barb female die 15 is arranged above the right barb pressing block 19. The left-side barb female die 14 and the right-side barb female die 15 both adopt barb combined female dies, the left-side barb pressing block 18 and the right-side barb pressing block 19 adopt barb combined pressing blocks, the upper pressing die and the lower pressing die adopt combined die modes, the workpiece can be machined in a simple machining mode, the machining mode of drilling and linear cutting is not needed, and the surface roughness, the manufacturing precision and the machining cost are guaranteed.

Specifically, flat profile blanking station 11 is including locating the type die 16 that dashes that is close to right barb die 15 one side on die base 5, be equipped with type briquetting 20 on the type die 16, type die 16 and type briquetting 20 lie in between die base 5 and die bed board 6, be equipped with on the type briquetting 20 and connect on die bed board 7 and run through die bed board 6, type briquetting 20 and type die 16's type sword 23 of dashing. After punching out the left and right barbs, the workpiece is conveyed to a flattening profile punching station 11 to flatten the profile of the workpiece and punch out waste materials.

More specifically, the punching and bending station 12 comprises a punching and bending lower die 17 which is arranged on the side, close to the punching and forming die 16, of the die base 5, and a punching and bending knife 24 which is connected to the die bottom plate 7 and penetrates through the die bottom plate 6 is arranged above the punching and bending lower die 17. And the workpiece enters a punching and bending station 12 after passing through a flat outline blanking station 11, and punching and bending are carried out on the workpiece with the punched waste material and the flat outline to finally obtain the punched PCI-E pin workpiece.

Further, a plurality of guide posts 25 are arranged on the female die base 5, the guide posts 25 sequentially penetrate through the die base plate 6 and the die base plate 7, springs 26 for resetting the die are arranged between the female die base 5 and the die base plate 6 and between the die base plate 6 and the die base plate 7, the springs 26 are sleeved on the guide posts 25, the upper ends of the guide posts 25 are connected with upper beams 27, and cylinders 28 for providing punching force are arranged above the upper beams 27. The guide post 25 guides the undercut pressing block and the undercut female die, the punching type pressing block 20 and the punching type female die 16, the punching bending knife 24 and the punching bending lower die 17 to be involuted at the correct position, and the spring 26 is arranged on the guide post, so that the die can reset after punching is finished, and simultaneously, the punching force in the punching process can be reduced, and the buffering effect is achieved.

Still further, the servo control feeding mechanism 1 comprises a feeding frame 29 for conveying workpieces, a pressing wheel 30 arranged at the upper end of the feeding frame 29 for pressing and conveying the workpieces, a power wheel 31 arranged at the lower end of the feeding frame 29 and matched with the pressing wheel 30 for conveying the workpieces, and a servo motor 32 connected with the power wheel 31 and controlling the rotation of the power wheel 31. The servo feeding mechanism 1 adopts a rubber coating wheel friction mode to feed materials, and the friction force is adjusted through air cylinder pressure regulation, so that the smooth feeding of workpieces can be guaranteed while the raw material copper foil is not crushed.

Finally, the machine vision inspection mechanism 3 includes a camera bracket 33 and an inspection camera 34 disposed on the camera bracket 33 for inspecting the deviation of the workpiece position before and after punching and feeding back the deviation to the servo motor 32 for precise adjustment. The CCD camera is adopted for detection and is arranged at the position of a workpiece outlet to obtain more accurate deviation amount, the deviation amount is fed back to the servo motor 32, the single-cycle stroke of the motor is adjusted by adjusting the step number of the motor, and after each trimming, the subsequent pins can be accurately processed.

The invention provides a PCI-E pin punch forming device based on machine vision adjustment, which comprises a servo control feeding mechanism for controlling feeding of a workpiece, a rubber coating wheel friction mode is adopted for feeding, the friction force is adjusted through air cylinder pressure adjustment, the air cylinder pushes an unpowered roller coated with rubber to tightly press the workpiece with a rubber coated powered roller on a motor shaft, so that the copper foil of the workpiece can not be flattened, the workpiece can be ensured to be smoothly fed, the workpiece is fed into a punching mechanism to sequentially pass through a left barb punching station, a right barb punching station, a flattening profile punching station and a punching and bending station to realize punch forming, a machine vision detection mechanism detects the workpiece after the filling is completed, the theoretical operation stroke of the motor is integer multiple of y, the pin from the first station to the left barb station is punched, the workpiece is fed to the machine vision detection mechanism, and the pin at the processed position experiences n times of strokes, the method comprises the steps of detecting the amplified total stroke deviation amount of a workpiece from first-step stamping to workpiece feeding to a detection position through a detection mechanism, dividing the amplified total stroke deviation amount by n strokes to obtain a single-period stroke deviation amount, and feeding the single-period stroke deviation amount back to a servo control feeding mechanism to adjust the number of steps of a motor, so that the single-period stroke of the motor is adjusted, wherein when the detection value is 0.1mm, the number n of feeding steps is 100, and the error is amplified, the adjustment value of the servo motor is 0.001mm, and the position accuracy of the PCI-E pin workpiece in the production process is improved.

The invention provides a PCI-E pin punch forming device based on machine vision adjustment, which detects the total travel deviation accumulated by n travels from the first step of punching to the completion of punching of a PCI-E pin workpiece through a machine vision detection mechanism, thereby amplifying an error value, and the amplified error value meets the minimum error detection requirement of the machine vision detection mechanism on the PCI-E pin workpiece, so that the detection of the vision detection mechanism is more accurate. And the obtained single-period stroke deviation value is fed back to the servo motor through calculation, so that the position precision requirement of the PCI-E pin in the production process is met, and the generation of unnecessary waste materials is reduced. The feeding process adopts a friction mode for feeding, the rubber coating process is adopted, the rubber coating pinch roller and the rubber coating power wheel are matched for feeding, the friction force is adjusted by adjusting the pressure through the air cylinder, and the workpiece can not be crushed while the friction force is increased. The upper and lower compression dies of the punching and barb station adopt a combined die mode, so that the workpiece can be machined in a simple machining mode without adopting a drilling and linear cutting machining mode, the roughness of the surface of the workpiece is guaranteed, the manufacturing precision is high, and the machining cost is reduced.

The foregoing is illustrative of one embodiment provided in connection with the detailed description and is not intended to limit the invention to the specific embodiment described. Similar or identical methods, structures and the like as those of the present invention or several technical deductions or substitutions made on the premise of the conception of the present invention should be considered as the protection scope of the present invention.

Claims (10)

1. The utility model provides a PCI-E pin stamping forming equipment based on machine vision adjustment which characterized in that: the automatic feeding device comprises a servo control feeding mechanism (1) for conveying workpieces, wherein a stamping mechanism (2) for bearing the workpieces and performing stamping forming on the workpieces is arranged on one side of the servo control feeding mechanism (1), a machine vision detection mechanism (3) for performing error measurement on the workpieces subjected to stamping forming is arranged on the other side of the stamping mechanism (2), and the machine vision detection mechanism (3) detects the total travel deviation amount of the workpieces from first-step stamping to the conveying of the workpieces to the machine vision detection mechanism (3) and feeds the total travel deviation amount back to the servo control feeding mechanism (1).

2. The machine-vision-adjustment-based PCI-E pin stamping molding device according to claim 1, wherein: the actual single-cycle stroke of the workpiece is y 'by the actual operation of the servo control feeding mechanism (1) in each step, the actual total stroke from the first-step stamping to the workpiece conveying to the machine vision detection mechanism (3) is integral multiple of the actual single-cycle stroke y', and the actual total stroke is fed back to the servo control feeding mechanism (1) to adjust the single-cycle stroke.

3. The machine-vision-adjustment-based PCI-E pin stamping molding device according to claim 1, wherein: the punching mechanism (2) comprises a punching mechanism bracket (4), a female die base (5) is arranged on the punching mechanism bracket (4), a pressing die bottom plate (6) for pressing a die is arranged above the female die base (5), a die bottom plate (7) for mounting a die is arranged above the pressing die bottom plate (6), a feeding guide block (8) for bearing and guiding a workpiece is arranged on the female die base (5), a left inverted hook punching station (9), a right inverted hook punching station (10), a flat outline punching station (11) and a punching and bending station (12) are sequentially arranged on one side of the feeding guide block (8) along the feeding direction, a discharging guide block (13) for discharging and guiding the punched workpiece is arranged on the female die base (5) on the other side of the punching and bending station (12), and every single operation period of the servo control feeding mechanism (1) is realized, the left inverted hook punching station (9) and the left inverted hook punching station (9) are arranged, The right barb blanking station (10), the outline flattening blanking station (11) and the punching and bending station (12) synchronously complete one-time punching.

4. The machine-vision-adjustment-based PCI-E pin stamping molding device according to claim 3, wherein: left side overhead kick blanking station (9) are including locating left overhead kick die (14) that are close to pan feeding guide block (8) on die base (5), be equipped with left overhead kick briquetting (18) on left side overhead kick die (14), left side overhead kick die (14) and left overhead kick briquetting (18) are located between die base (5) and moulding-die bottom plate (6), left side overhead kick briquetting (18) top is equipped with left overhead kick die sword (21) of connecting on die bottom plate (7) and running through moulding-die bottom plate (6), left side overhead kick briquetting (18) and left overhead kick die (14).

5. The machine-vision-adjustment-based PCI-E pin stamping molding device according to claim 4, wherein: right side overhead kick blanking station (10) are including locating right overhead kick die (15) that are close to left overhead kick die (14) on die base (5), be equipped with right overhead kick briquetting (19) on right side overhead kick die (15), right side overhead kick die (15) and right overhead kick briquetting (19) are located between die base (5) and die bottom plate (6), right side overhead kick briquetting (19) top is equipped with right overhead kick die sword (22) of connecting on die bottom plate (7) and running through die bottom plate (6), right overhead kick briquetting (19) and right overhead kick die (15).

6. The machine-vision-adjustment-based PCI-E pin stamping molding device according to claim 5, wherein: flattening profile blanking station (11) is including locating on die base (5) and being close to towards type die (16) of right side overhead kick die (15) one side, be equipped with towards type briquetting (20) on towards type die (16), it is located between die base (5) and moulding-die bottom plate (6) to towards type die (16) and towards type briquetting (20), be equipped with on towards type briquetting (20) and connect on die bottom plate (7) and run through moulding-die bottom plate (6), towards type briquetting (20) and towards type sword (23) of type die (16).

7. The machine-vision-adjustment-based PCI-E pin stamping molding apparatus according to claim 6, wherein: the punching and bending station (12) comprises a punching and bending lower die (17) which is arranged on the die base (5) and is close to one side of the punching and forming die (16), and a punching and bending knife (24) which is connected to the die bottom plate (7) and penetrates through the die bottom plate (6) is arranged above the punching and bending lower die (17).

8. The machine-vision-adjustment-based PCI-E pin stamping molding apparatus according to claim 7, wherein: the die is characterized in that a plurality of guide pillars (25) are arranged on the die base (5), the guide pillars (25) sequentially penetrate through the die base plate (6) and the die base plate (7), springs (26) for resetting the die are arranged between the die base (5) and the die base plate (6) and between the die base plate (6) and the die base plate (7), the springs (26) are sleeved on the guide pillars (25), the upper ends of the guide pillars (25) are connected with upper beams (27), and cylinders (28) for providing stamping force are arranged above the upper beams (27).

9. The machine-vision-adjustment-based PCI-E pin stamping molding device according to claim 1, wherein: the servo control feeding mechanism (1) comprises a feeding frame (29) for conveying workpieces, a pressing wheel (30) arranged at the upper end of the feeding frame (29) for pressing and conveying the workpieces, a power wheel (31) arranged at the lower end of the feeding frame (29) and matched with the pressing wheel (30) for conveying the workpieces, and a servo motor (32) connected with the power wheel (31) and controlling the power wheel (31) to rotate.

10. The machine-vision-adjustment-based PCI-E pin stamping molding device according to claim 1, wherein: the machine vision detection mechanism (3) comprises a camera support (33) and a detection camera (34) which is arranged on the camera support (33) and used for detecting the total travel deviation amount from the first-step stamping of the workpiece to the feeding of the workpiece to the machine vision detection mechanism (3) and feeding the total travel deviation amount back to the servo motor (32) for adjustment.

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