CN114965504A

CN114965504A - Intelligent detection device for mold defects based on vision

Info

Publication number: CN114965504A
Application number: CN202210617324.4A
Authority: CN
Inventors: 邴振凯; 张铉�; 孙鹏劼; 胡风雪; 杨杰; 裴智勇; 刘彤; 郝建军
Original assignee: Heibei Agricultural University; Beijing Computing Center Co ltd
Current assignee: Heibei Agricultural University; Beijing Computing Center Co ltd
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2022-08-30

Abstract

The invention provides a vision-based intelligent detection device for die defects, which comprises: the device comprises an image acquisition support 1 and a mold support 2, wherein the mold support 2 is arranged below the image acquisition support 1, a mold 3 to be detected is placed on the mold support 2, and an image acquisition device is arranged on the image acquisition support 1 so as to realize image acquisition of the mold 3 by the image acquisition device 4; the image acquisition support comprises a base, a door-shaped support and a Z-axis support, and the Z-axis support is arranged in parallel to the ground; the Z-axis support is in sliding connection with the door-shaped support, so that the Z-axis support can move up and down relative to the door-shaped support, data information required by mold detection can be automatically acquired by the device, the position relation between the image acquisition device and a to-be-detected grinding tool is adjusted, and a low-manual and high-efficiency technical means can be realized, so that patterns, fonts, symbols and the like engraved on the surface of the mold can be accurately and efficiently detected, and the device has important research significance and use value.

Description

Intelligent detection device for mold defects based on vision

Technical Field

The invention relates to a mold defect, in particular to an intelligent mold defect detection device based on vision.

Background

At present, in the technical field of mold processing and production, the requirement on the quality inspection of a mold is high, if the mold has certain defects, the mold has certain defects due to omission inspection or false inspection, and batch production is carried out in a production workshop by taking the defective mold as a reference, so that the waste of large-batch elements is caused, the cost is greatly increased, the construction period is delayed, even the mold is put into the market, and the generated consequences are hard to imagine.

The existing mold processing and production field basically mainly adopts manual quality inspection and manual troubleshooting, and quality inspection workers often use calipers to perform manual detection on indexes such as the size of a mold, so that the time consumption is long, and the working efficiency is low. In addition, many molds have different shapes and complex structures, and relate to pattern detection, shape detection, digital detection, coaxiality and the like, the technical indexes needing checking and checking are more, and because the patterns of the molds are of mirror image structures, quality inspection work is quite tedious and energy-consuming, the requirements on quality inspection workers are extremely high, enterprises face the difficult problems that the quality inspection workers have high wages, workers are difficult to attract, and the technical requirements on the workers are high, error detection is easy to occur, the accuracy is not high enough, and great loss is caused.

Obviously, with the development of science and technology, a simple mechanical product or an electrical product cannot meet the current needs, more and more electromechanical combination products are inoculated, and the mutual fusion and reference of knowledge of various disciplines become common methods for solving various problems, so that an intelligent device is urgently needed to be developed to solve the technical problem in the current industry field.

It should be noted that the above description of the background art is provided for the sake of clarity and complete description of the technical solutions of the present invention, and for the understanding of those skilled in the art. These technical solutions must not be considered known to the person skilled in the art merely because they have been elucidated in the technical background section of the present invention.

Disclosure of Invention

The invention aims to provide a vision-based intelligent detection device for the defects of a mold, which can be used for automatically acquiring data information required by mold detection, adjusting the position relation between an image acquisition device and a to-be-detected grinding tool and realizing a low-manual and high-efficiency technical means, so that patterns, fonts, symbols and the like engraved on the surface of the mold can be accurately and efficiently detected, and the device has important research significance and use value.

In order to achieve the purpose, the invention provides the following technical scheme:

the invention provides a vision-based intelligent detection device for die defects, which comprises:

the mold to be detected is placed on the mold support, and the image acquisition device is installed on the image acquisition support so as to realize image acquisition of the mold by the image acquisition device;

the image acquisition support comprises a base, a door-shaped support and a Z-axis support, the door-shaped support is arranged perpendicular to the ground, the door-shaped support is arranged on the base, and a reinforcing rod is connected between the base and the door-shaped support; the Z-axis support is arranged in parallel to the ground; the Z-axis support is connected with the door-shaped support in a sliding mode so that the Z-axis support can move up and down relative to the door-shaped support;

the Z-axis bracket) includes a bracket main body of a square structure and a camera fixing lever; the camera fixing rod is connected with the bracket main body in a sliding mode so that the camera fixing rod can move back and forth relative to the bracket main body;

the image acquisition device is arranged on the camera fixing rod.

Optionally, the bracket main body comprises a front frame, a right frame, a rear frame and a left frame which are connected in sequence, the front frame is parallel to the rear frame, and the right frame is parallel to the left frame;

the Z-axis support further comprises a cross beam; the cross beam is positioned at the lower part of the bracket main body and is fixedly connected with the bracket main body, the cross beam is parallel to the rear frame, and two ends of the cross beam are respectively connected with the two vertical rods of the door-shaped bracket in a sliding manner so as to enable the Z-axis bracket to move up and down; the Z-axis support is connected with the door-shaped support in a sliding mode through the cross beam.

Optionally, the door-shaped support comprises a first vertical beam, a top beam and a second vertical beam which are sequentially connected, the first vertical beam and the second vertical beam are both perpendicular to the ground, the top beam is parallel to the ground, the door-shaped support is further provided with a stepping motor b, a screw rod b, a stepping motor c and a screw rod c, and the stepping motor b and the stepping motor c are respectively installed at two ends of the top beam;

an output shaft of the stepping motor b is downward along the first vertical beam, the output shaft of the stepping motor b is connected with one end of the screw rod b through an elastic coupling b, the other end of the screw rod b is connected with a bearing b with a seat, the bearing b with the seat comprises a bearing seat b and a bearing b, the screw rod b and the bearing b are concentrically installed, the bearing seat b fastens the bearing b, and the bearing seat b is fixedly connected with the first vertical beam; first perpendicular roof beam is gone up the cover and is equipped with Z axle coaster b, first perpendicular roof beam is provided with the slide rail b parallel with length direction, Z axle coaster b includes: the trolley comprises a trolley front plate b and a trolley back plate b, wherein the trolley front plate b is provided with a screw rod nut b which is tightly matched with the screw rod b in a fastening mode, the screw rod nut b is sleeved on the screw rod b, and the trolley back plate b is fixedly connected with one end of a cross beam so as to realize that the stepping motor b is started to drive the screw rod b to rotate, drive the Z-axis trolley b to move up and down along a slide rail b and drive the Z-axis bracket to move up and down so as to realize that the image acquisition device moves up and down;

an output shaft of the stepping motor c is downward along the second vertical beam, the output shaft of the stepping motor c is connected with one end of the screw rod c through an elastic coupling c, the other end of the screw rod c is connected with a bearing c with a seat, the bearing c with the seat comprises a bearing seat c and a bearing c, the screw rod c and the bearing c are concentrically installed, the bearing seat c fastens the bearing c, and the bearing seat c is fixedly connected with the second vertical beam; the second is erected and is equipped with Z axle coaster c on the roof beam, the second is erected the roof beam and is provided with the slide rail c parallel with length direction, Z axle coaster c includes: the trolley comprises a trolley front plate c and a trolley back plate c, wherein the trolley front plate c is provided with a lead screw nut c which is tightly matched with the lead screw c in a fastening mode, the lead screw nut c is sleeved on the lead screw c, and the trolley back plate c is fixedly connected with the other end of the cross beam so as to realize that the stepping motor c is started to drive the lead screw c to rotate and drive the Z-axis trolley c to move up and down along the slide rail c and drive the Z-axis bracket to move up and down so as to realize that the image acquisition device moves up and down;

the device is also provided with a stepping motor e, a screw rod e, a stepping motor d and a screw rod d, wherein the stepping motor e and the stepping motor d are respectively arranged at two ends of the rear frame;

an output shaft of the stepping motor e is arranged forwards along the left frame, the output shaft of the stepping motor e is connected with one end of the screw rod e through an elastic coupling e, the other end of the screw rod e is connected with a bearing e with a seat, the bearing e with the seat comprises a bearing seat e and a bearing e, the screw rod e and the bearing e are concentrically installed, the bearing seat e fastens the bearing e, and the bearing seat e is fixedly connected with the left frame; the cover is equipped with X axle coaster e on the frame of a left side, left side frame is provided with the slide rail e parallel with length direction, X axle coaster e includes: the X-axis pulley comprises a pulley front plate e and a pulley back plate e, wherein the pulley front plate e is provided with a screw rod nut e which is tightly matched with the screw rod e, the screw rod nut e is sleeved on the screw rod e, and the pulley back plate e is fixedly connected with one end of a camera fixing rod so as to realize that the stepping motor e is started to drive the screw rod e to rotate, drive the X-axis pulley e to move back and forth along a slide rail e and drive the camera fixing rod to move back and forth;

an output shaft of the stepping motor d is arranged forwards along the right frame, the output shaft of the stepping motor d is connected with one end of the screw rod d through an elastic coupling d, the other end of the screw rod d is connected with a bearing d with a seat, the bearing d with the seat comprises a bearing seat d and a bearing d, the screw rod d and the bearing d are concentrically installed, the bearing seat d fastens the bearing d, and the bearing seat d is fixedly connected with the right frame; the cover is equipped with X axle coaster d on the frame of right side, the frame of right side is provided with the slide rail d parallel with length direction, X axle coaster d includes: the X-axis pulley comprises a pulley front plate d and a pulley back plate d, wherein the pulley front plate d is provided with a screw rod nut d which is tightly matched with the screw rod d, the screw rod nut d is sleeved on the screw rod d, and the pulley back plate d is fixedly connected with the other end of the camera fixing rod so as to realize that the stepping motor d is started to drive the screw rod d to rotate, drive the X-axis pulley d to move back and forth along a slide rail d and drive the camera fixing rod to move back and forth;

the camera fixing rod is provided with a stepping motor a, a third bevel gear, a first bevel gear and a second bevel gear, wherein the stepping motor a is installed on the camera fixing rod, the third bevel gear is rotatably connected with an output shaft of the stepping motor a, the second bevel gear and the third bevel gear are respectively positioned at two ends of the third bevel gear, and the third bevel gear is meshed with the first bevel gear and the third bevel gear is meshed with the second bevel gear;

the camera fixing rod is provided with a first slide rail parallel to the length direction, the first camera pulley comprises a first pulley front plate, the first pulley front plate is provided with a first lead screw nut tightly matched with the first lead screw, and the first lead screw nut is sleeved on the first lead screw;

the camera fixing rod is provided with a second slide rail parallel to the length direction, the second camera pulley comprises a second pulley front plate, the second pulley front plate is provided with a second lead screw nut which is tightly matched with the second lead screw in a fastening way, and the second lead screw nut is sleeved on the second lead screw;

the first bevel gear and the second bevel gear, the first screw rod and the second screw rod, the first camera pulley and the second camera pulley, the first bearing with a seat and the second bearing with a seat, and the first slide rail and the second slide rail are respectively and symmetrically arranged so as to realize that the stepping motor a is started to drive the third bevel gear to rotate and drive the second bevel gear and the third bevel gear to reversely rotate, and the first screw rod and the second screw rod reversely rotate and drive the first camera pulley to reversely move along the first slide rail and the second slide rail;

the image acquisition device comprises a camera a, a camera b and a camera c, wherein the camera a is installed at the front end of the support main body, the camera b is installed on the first camera pulley, and the camera c is installed on the second camera pulley so as to realize the up-and-down movement of the camera a, the camera b and the camera c, the front-and-back and left-and-right movement of the camera b and the camera c, and the front-and-back movement of the camera a.

Optionally, the system further comprises a first controller and a height detection unit, wherein the height detection unit is electrically connected with the first controller, the stepping motor b and the stepping motor c are both electrically connected with the first controller, the system further comprises a second controller and a front-back distance detection unit, the front-back distance detection unit is electrically connected with the second controller, and the stepping motor e and the stepping motor d are both electrically connected with the second controller; still include the third controller and control the distance detecting element, control the distance detecting element and be connected with the third controller electricity, the third controller with step motor a electricity is connected.

Optionally, the stepping motor a is mounted at a middle position of the camera fixing rod.

Optionally, a first limit switch c and a second limit switch c are fixedly arranged on the second vertical beam, the first limit switch c is located between the stepping motor c and the Z-axis trolley c, and the second limit switch c is located between the Z-axis trolley c and the bearing c with a seat;

the camera fixing rod is fixedly arranged on the first lead screw, the first limit switch m is positioned between the first belt seat bearing and the first camera pulley, the first limit switch n is fixedly arranged on the camera fixing rod, and the first limit switch n is positioned between the first camera pulley and the first bevel gear;

the second limit switch m is fixedly arranged on the second lead screw, the second limit switch m is positioned between the second belt seat bearing and the second camera pulley, the second limit switch n is fixedly arranged on the camera fixing rod, and the second limit switch n is positioned between the second camera pulley and the second bevel gear.

Optionally, the bearing further comprises a third bearing with a seat and a fourth bearing with a seat, and the third bearing with a seat and the fourth bearing with a seat are symmetrically arranged;

the third bearing with seat is positioned between the first limit switch n and the first bevel gear, the third bearing with seat comprises a third bearing seat and a third bearing, the first screw rod and the third bearing are concentrically and fixedly installed, the third bearing seat fastens the third bearing, the third bearing seat is fixedly connected with the camera fixing rod,

the fourth bearing with the base is located between the second limit switch n and the second bevel gear, the fourth bearing with the base comprises a fourth bearing base and a fourth bearing, the second screw rod and the fourth bearing are concentrically installed in a solid mode, the fourth bearing base is fastened to the fourth bearing, and the fourth bearing base is fixedly connected with the camera fixing rod.

Optionally, the mold holder includes a frame main body and a support main body located inside the frame main body, the mold to be detected is placed on the upper portion of the support main body, and the frame main body is provided with a light source component.

Optionally, the light source part includes: the light source detection device comprises a worm motor, a light source support and a light source, wherein one end of the light source support is rotatably connected with an output shaft of the worm motor through a flange coupler, the light source is installed at the other end of the light source support, and the worm motor is fixedly connected with a frame main body through the worm motor support so as to realize that the worm motor rotates to drive the light source support to rotate and place the light source at the position of the mold to be detected.

Optionally, a first travel limit switch and a second travel limit switch are further arranged on the light source support, the first travel limit switch and the second travel limit switch are electrically connected with the worm motor, a plurality of push rod motors are further arranged on one side of the light source support, the push rod motors are all fixed on the frame main body through push rod motor fixing frames, and fixing mold clamps are arranged at the end portions of the push rods of the push rod motors.

Optionally, a plurality of universal ball bearings are fixedly arranged on the surface of the upper portion of the supporting main body, the heights of vertexes of the universal ball bearings are the same, the mold to be detected is placed on the upper portions of the universal ball bearings, the mold to be detected further comprises a fourth controller, a fifth controller and a mold positioning detection device, the fourth controller is electrically connected with the worm motor, and each push rod motor and the mold positioning detection device are electrically connected with the fifth controller.

The invention provides a vision-based intelligent detection device for die defects, which comprises: the device comprises an image acquisition support and a mold support, wherein the mold support is arranged below the image acquisition support, a mold to be detected is placed on the mold support, and an image acquisition device is arranged on a photographing support so as to realize image acquisition of the mold by the image acquisition device; the image acquisition support comprises a base, a door-shaped support and a Z-axis support, the door-shaped support is arranged perpendicular to the ground, the door-shaped support is arranged on the base, and a reinforcing rod is arranged between the base and the door-shaped support; the Z-axis support is arranged in parallel to the ground; the Z-axis support is connected with the door-shaped support in a sliding mode so that the Z-axis support can move up and down relative to the door-shaped support; the Z-axis support comprises a support main body with a square structure and a camera fixing rod; the camera fixing rod is connected with the bracket main body in a sliding mode so that the camera fixing rod can move back and forth relative to the bracket main body; the image acquisition device set up in on the camera dead lever, can use the device automatic acquisition mould to detect the data message that needs, can adjust the relative position between image acquisition support and the mould support, promptly, adjust the image acquisition device apart from waiting to detect the position relation between the grinding apparatus, can realize low manual work, efficient technical means to accurate efficient detects pattern, decorative pattern, typeface, symbol etc. of carving on the mould surface, has important research meaning and use value.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a mold frame structure according to the present invention;

FIG. 2 is a schematic view of an image capturing mount according to the present invention;

FIG. 3 is a side view of an image capturing mount of the present invention;

FIG. 4 is a schematic view of the bevel gear transmission part of the image capturing bracket according to the present invention;

FIG. 5 is a schematic view of a portion of a camera mounting bar of an image capturing mount according to the present invention;

FIG. 6 is a schematic view of the overall structure of the image capturing bracket of the present invention;

FIG. 7 is a schematic view of the structure of the pulley portion of the image capturing mount of the present invention;

FIG. 8 is a top view of the image capturing mount of the present invention;

in the figure: 1. an image acquisition support; 2. a mold holder; 3. detecting a mold to be detected; 4. an image acquisition device; 101. a base; 102. a gantry support; 103. a Z-axis support; 1031. a stent body; 1032. a camera fixing rod; 10311. a front frame; 10312. a right frame; 10313. a rear frame; 10314. a left frame; 1033. a cross beam; 1021. a first vertical beam; 1023. a top beam; 1022. a second vertical beam; 10211. a stepping motor b; 10212. a screw rod b; 10221. stepping motors c, 10222 and a screw rod c; 102000, elastic shaft coupling b; 10214. a pedestal bearing b; 102141, bearing seat b; 102142, bearings b, 10213, a Z-axis pulley b102131 and a front pulley plate b; 102132, sled back plate b; 102133, lead screw nut b; 10221. a stepping motor c; 10222. a screw rod c; 102001, elastic shaft coupling c; 10224. a pedestal bearing c; 102241, bearing seat c; 102242, bearing c; 10223. a Z-axis pulley c; 11. a slide rail c; 102231, pulley front plate c; 102232, pulley back plate c; 102233, lead screw nut c; 10231. a stepping motor e; 10232. a screw rod e; 10241. a stepping motor d; 10242. a screw rod d; 102002, elastic coupling e; 10234. a pedestal bearing e; 102341, bearing seat e; 102342, bearing e; 10233. an X-axis pulley e; 12. a slide rail e; 102331, a pulley front plate e; 102332, a pulley back plate e; 10232. a screw rod e; 102003, elastic shaft coupling d; 102441, bearing seat d; 102442, bearing d; 10243. an X-axis pulley d; 13. a slide rail d; 102431, pulley front plate d; 102432, pulley back plate d; 102433, lead screw nut d; 10242. a screw rod d; 5. a stepping motor a; 6. a third bevel gear; 7. a first bevel gear; 8. a second bevel gear; 71. a first lead screw; 72. a first camera sled; 73. a first pedestal bearing; 731. a first bearing housing; 732. a first bearing; 14. a first slide rail; 721. a first scooter front plate; 722. a first lead screw nut; 81. a second lead screw; 82. a second camera sled; 83. a second rolling bearing; 831. a second bearing housing; 832. a second bearing; 15. a second slide rail; 821. a second scooter front plate; 822. a second feed screw nut; 401. a camera a; 402. a camera b; 403. a camera c; 20. a first limit switch c; 21. a second limit switch c; 22. a first limit switch m; 23. a first limit switch n; 24. a second limit switch m; 25. a second limit switch n; 74. a third rolling bearing; 84. a fourth rolling bearing; 741. a third bearing seat; 742. a third bearing; 841. a fourth bearing seat; 842. a fourth bearing; 201. a frame body; 202. a support body; 203. a light source part; 204. a worm motor; 205. a light source holder; 206. a light source; 207. a flange coupling; 208. a worm motor support; 209. a first travel limit switch; 210. a second travel limit switch; 211. a push rod motor; 212. a push rod motor fixing frame; 213. fixing the mold clamp; 214. a universal ball bearing.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

The invention provides a vision-based intelligent detection device for mold defects, which is shown in figures 1-8 and comprises:

the device comprises an image acquisition support 1 and a mold support 2, wherein the mold support 2 is arranged below the image acquisition support 1, a mold 3 to be detected is placed on the mold support 2, and an image acquisition device 4 is arranged on the image acquisition support 1 so as to realize image acquisition of the mold 3 by the image acquisition device 4;

the image acquisition bracket 1 comprises a base 101, a door-shaped bracket 102 and a Z-axis bracket 103, wherein the door-shaped bracket 102 is arranged perpendicular to the ground, the door-shaped bracket 102 is arranged on the base 101, and a reinforcing rod 103 is connected between the base 101 and the door-shaped bracket 102; the Z-axis support 103 is disposed parallel to the ground; the Z-axis bracket 103 is slidably coupled to the gate bracket 102 to move the Z-axis bracket 103 up and down with respect to the gate bracket 102;

the Z-axis holder 103 includes a holder main body 1031 and a camera fixing lever 1032 in a "square" structure; the camera fixing lever 1032 is slidably connected to the holder body 1031 to move the camera fixing lever 1032 back and forth with respect to the holder body 1031;

the image pickup device 4 is provided on the camera fixing lever 1032. The intelligent detection device for the mold defects based on the vision can be used for automatically acquiring data information required by mold detection, automatically adjusting the position relation between the image acquisition device and a to-be-detected grinding tool according to the acquired data information, and realizing a low-manual and high-efficiency technical means, so that patterns, fonts, symbols and the like engraved on the surface of the mold can be accurately and efficiently detected, and the intelligent detection device has important research significance and use value. Specifically, the image acquisition bracket 1 is arranged above the mold bracket 2, the mold 3 to be detected is placed on the mold bracket 2, the image acquisition device 4 is installed on the image acquisition bracket 1, the mold 3 to be detected can be automatically placed on the mold bracket 2 in a mechanical arm mode, the mold 3 to be detected can also be placed on the mold bracket 2 in a manual mode of a worker, after the mold to be detected is placed, the Z-axis bracket 103 is enabled to move up and down relative to the door-shaped bracket 102 in a sliding connection mode of the Z-axis bracket 103 and the door-shaped bracket 102, and the camera fixing rod 1032 is enabled to move back and forth relative to the bracket main body 1031 in a sliding connection mode of the camera fixing rod 1032 and the bracket main body 1031; the relative position relation between the image acquisition device and the to-be-detected grinding tool can be adjusted by the mode of moving up and down and moving back and forth, so that clearer and more complete image information can be obtained, and the defects of patterns, fonts, symbols and the like of the mold can be conveniently and clearly displayed whether the mold is wrongly engraved or not.

The structure of the Z-axis bracket 103 is set to a two-part structure, one part is the bracket main body 1031 of the structure of the square, and the other part is the camera fixing rod 1032 for installing the image acquisition device, so that the structure is more stable, and the front and rear weight distribution is reasonable, so that the adjustment process of the relative position relationship between the image acquisition device and the grinding tool to be detected is more stable.

As shown in fig. 1, in the embodiment of the present invention, the stent main body 1031 includes a front frame 10311, a right frame 10312, a rear frame 10313 and a left frame 10314 which are connected in sequence, the front frame 10311 and the rear frame 10313 are parallel, and the right frame 10312 and the left frame 10314 are parallel, so as to form the stent main body 1031 having a "square" structure, and the structure is arranged such that the stent main body can ensure that each position can move smoothly during the movement of the stent main body. In order to improve stability and ensure coordination and stability of the distance position adjustment process, in the embodiment of the present invention, the Z-axis bracket 103 further includes a cross beam 1033; the cross beam 1033 is positioned at the lower part of the bracket main body 1031 and is fixedly connected with the bracket main body 1031, the cross beam 1033 is parallel to the rear frame 10313, and two ends of the cross beam 1033 are respectively connected with two vertical rods of the door-shaped bracket 102) in a sliding manner so as to enable the Z-axis bracket 103 to move up and down; the Z-axis bracket 103 is slidably connected to the door type bracket 102 by a cross member 1032. The introduction of this crossbeam for Z axle support passes through the both ends of crossbeam and two vertical frames sliding connection respectively of door type support, when making Z axle support reciprocate, both ends can be synchronous steady reciprocate, be unlikely to produce and turn on one's side or the slope, can prevent that image acquisition device from taking place the slope, cause the skew of image acquisition device's collection angle, influence image acquisition effect, can effectively avoid image acquisition's error to make the error of whether having the aspect defect detection such as mistake of carving the pattern, decorative pattern, typeface, symbol etc. of mould.

In a specific embodiment of the present invention, the door-shaped bracket 102 includes a first vertical beam 1021, a top beam 1023, and a second vertical beam 1022 connected in sequence, where the first vertical beam 1021 and the second vertical beam 1022 are both perpendicular to the ground, the top beam 1022 is parallel to the ground, and a stepping motor b10211, a lead screw b10212, a stepping motor c10221, and a lead screw c10222 are further provided, and the stepping motor b10211 and the stepping motor c10221 are respectively installed at two ends of the top beam 1022; the bottom end of the first vertical beam 1021 and the bottom end of the second vertical beam 1022 are connected to the base 101, respectively.

An output shaft of a stepping motor b10211 is downward along a first vertical beam 1021, the output shaft of the stepping motor b10211 is connected with one end of a screw rod b10212 through an elastic coupling b102000, the other end of the screw rod b10212 is connected with a bearing b10214 with a seat, the bearing b10214 with the seat comprises a bearing seat b102141 and a bearing b102142, the screw rod b10212 and the bearing b102142 are concentrically and fixedly installed, the bearing seat b102141 fastens the bearing b102142, and the bearing seat b102141 is fixedly connected with the first vertical beam 1021; the cover is equipped with Z axle coaster b10213 on first vertical beam 1021, and Z axle coaster b10213 and first vertical beam 1021 sliding connection, first vertical beam (1021) are provided with slide rail b10 parallel with length direction, and Z axle coaster b10213 slides from top to bottom along slide rail b10, and Z axle coaster b10213 includes: the trolley front board b102131 and the trolley back board b102132, the trolley front board b102131 is provided with a screw nut b102133 which is tightly matched with the screw rod b10212, the screw nut b102133 is sleeved on the screw rod b10212, the screw rod b10212 rotates to realize movement of a trolley through the matched screw nut b102133, and the trolley back board b102133 is fixedly connected with one end of the cross beam 1033 so as to realize that the stepping motor b10211 is started to drive the screw rod b10212 to rotate, drive the Z-axis trolley b10213 to move up and down along the slide rail b10 and drive the Z-axis bracket 103 to move up and down to realize up and down movement of the image acquisition device 4; thereby adjusting the longitudinal distance between the image acquisition device and the mold to be detected.

An output shaft of the stepping motor c10221 is downward along the second vertical beam 1022, the output shaft of the stepping motor c10221 is connected with one end of a lead screw c10222 through an elastic coupling c102001, the other end of the lead screw c10222 is connected with a bearing c10224 with a seat, the bearing c10224 with the seat comprises a bearing seat c102241 and a bearing c102242, the lead screw c10222 and the bearing c102242 are concentrically installed, the bearing seat c102241 fastens the bearing c102242, and the bearing seat c 241 is fixedly connected with the second vertical beam 1022; the cover is equipped with Z axle coaster c10223 on the second vertical beam 1022, and Z axle coaster c10223 and second vertical beam 1022 sliding connection, second vertical beam 1022 are provided with the slide rail c11 parallel with length direction, and Z axle coaster c10223 slides along c11, and Z axle coaster c10223 includes: the trolley front plate c102231 and the trolley back plate c102232, the trolley front plate c102231 is provided with a screw rod nut c102233 tightly matched with the screw rod c10222, the screw rod nut c102233 is sleeved on the screw rod c10222, the trolley back plate c102233 is fixedly connected with the other end of the cross beam 1033, so that the stepping motor c10221 is started to drive the screw rod c10222 to rotate, the Z-axis trolley c10223 is driven to move up and down along the slide rail c11, and the Z-axis bracket 103 is driven to move up and down to realize the up and down movement of the image acquisition device 4; thereby adjusting the vertical distance between the image acquisition device and the mold to be detected, and the stepping motor b10211 and the stepping motor c10221 run synchronously.

The electric heating device is further provided with a stepping motor e10231, a screw rod e10232, a stepping motor d10241 and a screw rod d10242, wherein the stepping motor e10231 and the stepping motor d10241 are respectively arranged at two ends of the rear frame 10313;

the output shaft of the stepping motor e10231 moves forwards along the left frame 10314, the output shaft of the stepping motor e10231 is connected with one end of the screw rod e10232 through an elastic coupling e102002, the other end of the screw rod e10232 is connected with a seated bearing e10234, the seated bearing e10234 comprises a bearing seat e102341 and a bearing e102342, the screw rod e10232 and the bearing e102342 are concentrically installed, the bearing seat e102341 fastens the bearing e102342, and the bearing seat e102341 is fixedly connected with the left frame 10314; the cover is equipped with X axle coaster e10233 on left frame 10314, and X axle coaster e10233 and left frame 10314 sliding connection, and left frame 10314 is provided with slide rail e12 parallel with length direction, and X axle coaster e10233 moves along slide rail e12, and X axle coaster e10233 includes: the front board e102331 of the pulley and pulley slab e102332, the front board e102331 of the pulley has the feed screw nut e102333 fastened and matched with the feed screw e10232, the feed screw nut e102333 is sleeved on the feed screw e10232, the pulley slab e102332 is fixedly connected with one end of the camera fixing rod 1032, so that the stepping motor e10231 is started to drive the feed screw e10232 to rotate, and drive the X-axis pulley e10233 to move back and forth along the slide rail e12, and drive the camera fixing rod 1032 to move back and forth; thereby adjusting the transverse distance between the image acquisition device and the mold to be detected.

An output shaft of a stepping motor d10241 moves forwards along a right frame 10312, the output shaft of the stepping motor d10241 is connected with one end of a screw rod d10242 through an elastic coupling d102003, the other end of the screw rod d10242 is connected with a bearing d10244 with a seat, the bearing d10244 with the seat comprises a bearing seat d102441 and a bearing d102442, the screw rod d10242 and the bearing d102442 are concentrically and fixedly installed, the bearing seat d102442 is fastened on the bearing seat d102441, and the bearing seat d102441 is fixedly connected with the right frame 10312; the cover is equipped with X axle coaster d10243 on the right frame 10312, and right frame 10312 is provided with the slide rail d13 parallel with length direction, and X axle coaster d10243 includes: the pulley front plate d102431 and the pulley back plate d102432 are arranged, the pulley front plate d102431 is provided with a screw nut d102433 which is tightly matched with the screw rod d10242 in a fastening mode, the screw nut d102433 is sleeved on the screw rod d10242, the pulley back plate d102432 is fixedly connected with the other end of the camera fixing rod 1032, and therefore the stepping motor d10241 is started to drive the screw rod d10242 to rotate, the X-axis pulley d10243 is driven to move back and forth along the sliding rail d13, and the camera fixing rod is driven to move back and forth 1032; thereby adjusting the vertical and horizontal distance between the image acquisition device and the mold to be detected. The stepping motor e10231 and the stepping motor d10241 run synchronously.

The camera fixing rod is further provided with a stepping motor a5, a third bevel gear 6, a first bevel gear 7 and a second bevel gear 8, the stepping motor a5 is installed on the camera fixing rod 1032, the third bevel gear 6 is rotationally connected with an output shaft of the stepping motor a5, the second bevel gear 7 and the third bevel gear 8 are respectively located at two ends of the third bevel gear 6, the third bevel gear 6 is meshed with the first bevel gear 7, and the third bevel gear 6 is meshed with the second bevel gear 8; the simple structure changes the two-end camera pulley which can only move in the same direction into the way of simultaneously keeping away from and gathering together, and the screw rods and the screw rod nut fittings on the two sides are universal, so that the practicability is strong, and the operation is convenient.

The camera fixing device is further provided with a first screw rod 71 and a first camera pulley 72, one end of the first screw rod 71 is connected with a first belt seat bearing 73, the other end of the first screw rod 71 is rotatably connected with a first bevel gear 7, the first belt seat bearing 73 comprises a first bearing seat 731 and a first bearing 732, the first screw rod 71 and the first bearing 732 are concentrically mounted, the first bearing seat 731 fastens the first bearing 732, the first bearing seat 731 is fixedly connected with a camera fixing rod 1032, the first camera pulley 72 is mounted on the camera fixing rod 1032, the camera fixing rod 1032 is provided with a first slide rail 14 parallel to the length direction, the first camera pulley 72 moves along the first slide rail 14, the first camera pulley 72 comprises a first pulley front plate 721, the first pulley front plate 721 is provided with a first screw rod nut 722 tightly matched with the first screw rod 71, and the first screw nut 722 is sleeved on the first screw rod 71; the first lead screw nut 722 is in threaded fit with the first lead screw 71, so that the first lead screw nut 722 rotates to drive the first camera pulley 72 to move through the first lead screw nut 722.

The second lead screw 81 and the second camera pulley 82 are further arranged, one end of the second lead screw 81 is connected with the second bearing with seat 83, the other end of the second lead screw 81 is rotatably connected with the second bevel gear 8, the second bearing with seat 83 comprises a second bearing seat 831 and a second bearing 832, the second lead screw 81 and the second bearing 832 are concentrically installed, the second bearing seat 831 is fastened on the second bearing 832, the second bearing seat 831 is fixedly connected with a camera fixing rod 1032, the second camera pulley 82 is installed on the camera fixing rod 1032, the camera fixing rod 1032 is provided with a second sliding rail 15 parallel to the length direction, the second camera pulley 82 moves along the second sliding rail 15, the second camera pulley 82 comprises a second pulley front plate 821, the second pulley front plate 821 is provided with a second lead screw nut 822 fastened and matched with the second lead screw 81, and the second lead screw nut 822 is sleeved on the second lead screw 81; the second lead screw 81 is in threaded fit with the second lead screw nut 822, so that the second lead screw 81 rotates to drive the second camera pulley 82 to move through the second lead screw nut 822, and the distance between the second camera pulley 82 and the first camera pulley 72 is adjusted.

The first bevel gear 7, the second bevel gear 8, the first lead screw 71, the second lead screw 81, the first camera pulley 72, the second camera pulley 82, the first bearing with a seat 73, the second bearing with a seat 83, and the first slide rail 14, the second slide rail 15 are respectively and symmetrically arranged, so that the stepping motor a5 is started to drive the third bevel gear 6 to rotate and drive the second bevel gear 7 and the third bevel gear 8 to rotate in opposite directions, the first lead screw 71, the second lead screw 81 and the first camera pulley 72 are driven to rotate in opposite directions along the first slide rail 14 and the second camera pulley 82 and move in opposite directions along the second slide rail 15, and the distance between the first camera pulley 72 and the second camera pulley 82 is adjusted.

The image capturing device 4 includes a plurality of cameras, and in the embodiment of the present invention, the image capturing device 4 includes a camera a401, a camera b402 and a camera c403, the camera a401 is mounted at the front end of the holder main body 1031, the camera b402 is mounted on the first camera carriage 72, and the camera c403 is mounted on the second camera carriage 82, so as to achieve the up-and-down movement of the camera a401, the camera b402 and the camera c403, the up-and-down movement of the camera b402 and the camera c403, and the back-and-forth movement of the camera a 401. In the embodiment of the present invention, in order to facilitate movement and acquisition of image information, the camera b402 and the camera c403 are used as detection cameras for acquiring images of a mold to be detected, and the camera a401 is used as a positioning camera for identifying the size of the mold to be detected, so that the position and the angle of the detection camera can be further adjusted to improve the image acquisition precision.

In the embodiment of the present invention, two reinforcing rods 103 are provided, one reinforcing rod is used for connecting the base 101 and the first vertical beam 1021, and the other reinforcing rod is used for connecting the base 101 and the second vertical beam 1022, so as to perform a reinforcing function, so that the door-shaped bracket is more robust and durable relative to the base, and sufficiently provides a guarantee for the movement of the Z-axis bracket.

In the embodiment of the invention, the pulley wheels of each pulley bracket are made of rubber, so that the noise is reduced, the comfort level of people is improved, and abnormal sound is effectively prevented. The image acquisition support, the die support, the base, the door-shaped support, the Z-axis support and the support main body can be made of 2020 European standard aluminum profiles, so that the image acquisition support is solid and durable and has excellent stability.

In order to reduce manpower and improve automation performance, the system also comprises a first controller and a height detection unit, wherein the height detection unit is electrically connected with the first controller, the stepping motor b10211 and the stepping motor c10221 are electrically connected with the first controller, the system also comprises a second controller and a front-back distance detection unit, the front-back distance detection unit is electrically connected with the second controller, and the stepping motor e10231 and the stepping motor d10241 are electrically connected with the second controller; the device also comprises a third controller and a left-right distance detection unit, wherein the left-right distance detection unit is electrically connected with the third controller, and the third controller is electrically connected with the stepping motor a 5. The height detection unit detects height position information, so that the height position information is transmitted to the first controller for judging whether the height position information is too high, if so, an instruction is sent to control the stepping motor b10211 and the stepping motor c10221 to rotate forwards at the same time, the Z-axis pulley b and the Z-axis pulley c slide downwards at the same time, and the Z-axis support 103 is driven to move downwards to realize the downward movement of the image acquisition device 4; thereby adjusting the longitudinal distance between the image acquisition device and the mold to be detected; if the Z-axis slide vehicle is too low, an instruction is sent to control the step motor b10211 and the step motor c10221 to rotate reversely at the same time, and the Z-axis slide vehicle b and the Z-axis slide vehicle c slide upwards at the same time to drive the Z-axis support 103 to move upwards so as to realize the upward and downward movement of the image acquisition device 4; thereby adjusting the longitudinal distance between the image acquisition device and the mold to be detected. The front-back distance detection unit detects front-back distance position information, so that the front-back distance position information is transmitted to the second controller to judge whether the front-back distance position information is too far forward, if the front-back distance position information is too far forward, an instruction is sent to control the stepping motor e10231 and the stepping motor d10241 to rotate forward at the same time, the X-axis pulley d and the X-axis pulley e slide backwards at the same time, and the Z-axis support 103 is driven to move backwards so as to realize the backward movement of the image acquisition device 4; thereby adjusting the transverse distance between the image acquisition device and the mold to be detected; if the position is too far back, an instruction is sent to control the stepping motor e10231 and the stepping motor d10241 to rotate reversely at the same time, the X-axis pulley d and the X-axis pulley e slide forwards at the same time, and the Z-axis support 103 is driven to move forwards to realize the forward movement of the image acquisition device 4; thereby adjusting the transverse distance between the image acquisition device and the mold to be detected.

The left-right distance detection unit detects left-right position information, so that the left-right position information is transmitted to the third controller to be used for judging whether the left-right position information is too close to the mold to be detected, if the left-right position information is too close, an instruction is sent to control the stepping motor a5 to start to drive the third bevel gear 6 to rotate in the forward direction and drive the second bevel gear 7 and the third bevel gear 8 to rotate, the first lead screw 71 and the second lead screw 81 rotate to drive the first camera pulley 72 to move in the reverse direction along the first sliding rail 14 and the second camera pulley 82 along the second sliding rail 15, and therefore the first camera pulley 72 and the second camera pulley 82 are separated from each other. If the distance is too far away, an instruction is sent to control the stepping motor a5 to start to drive the third bevel gear 6 to rotate in the forward direction and drive the second bevel gear 7 and the third bevel gear 8 to rotate, and the first screw rod 71 and the second screw rod 81 rotate to drive the first camera pulley 72 to move in the reverse direction along the first slide rail 14 and the second camera pulley 82 along the second slide rail 15, so that the first camera pulley 72 and the second camera pulley 82 are close to each other.

It should be noted that, the front-back, left-right, up-down in the present invention are described based on the position relationship in fig. 2 in the specification, so that the directional words are introduced for the convenience of description, and the protection scope of the present invention is not limited, therefore, the description of other directional angles is also within the protection scope of the present invention. In the embodiment of the invention, the X-axis, the Y-axis and the Z-axis are divided, wherein the up-down movement of the Z-axis pulley b and the Z-axis pulley c refers to the Z-axis direction, namely the extending direction of the first vertical beam, and refers to the height between the Z-axis support and the to-be-detected grinding tool. The front and back movement of the X-axis pulley e and the X-axis pulley d refers to the X-axis direction, namely the extension direction of the left frame and the right frame, and refers to the front and back distance between the z-axis bracket and the to-be-detected grinding tool, the left and right movement of the first camera pulley and the second camera pulley refers to the y-axis direction, namely the extension direction of the camera fixing rod, and refers to the distance between the camera b and the camera c and the to-be-detected mould in the y-axis direction, and the adjustment in other directions is within the protection range of the invention.

In the embodiment of the present invention, the stepping motor a5 is mounted at the middle position of the camera fixing rod 1032. To facilitate synchronous control of the first camera carriage 72 and the second camera carriage 82.

In order to prevent collision, in the embodiment of the present invention, a first limit switch c20 and a second limit switch c21 are fixedly disposed on the second vertical beam 1022, the first limit switch c20 is located between the stepping motor c10221 and the Z-axis trolley c10223, and the second limit switch c21 is located between the Z-axis trolley c10223 and the seated bearing c 10224;

the camera fixing device further comprises a first limit switch m22 and a first limit switch n23, wherein the first limit switch m22 is fixedly arranged on the first lead screw 71, the first limit switch m22 is positioned between the first belt seat bearing 73 and the first camera pulley 72, the first limit switch n23 is fixedly arranged on the camera fixing rod 1032, and the first limit switch n23 is positioned between the first camera pulley 72 and the first bevel gear 7;

the camera fixing device further comprises a second limit switch m24 and a second limit switch n25, the second limit switch m24 is fixedly arranged on the second lead screw 81, the second limit switch m24 is positioned between the second mounted bearing 83 and the second camera pulley 82), the second limit switch n25 is fixedly arranged on the camera fixing rod 1032, and the second limit switch n25 is positioned between the second camera pulley 82 and the second bevel gear 8.

In the embodiment of the present invention, the present invention further comprises a third and a

fourth bearings

74 and 84, wherein the third and the

fourth bearings

74 and 84 are symmetrically disposed; the third bearing 74 with seat is located between the first limit switch n23 and the first bevel gear 7, the third bearing 74 with seat includes a third bearing seat 741 and a third bearing 742, the first lead screw 71 and the third bearing 742 are concentrically mounted, the third bearing seat 741 fastens the third bearing 742, the third bearing 741 is fixedly connected with the camera fixing rod 1032,

the fourth pedestal bearing 84 is located between the second limit switch n25 and the second bevel gear 8, the fourth pedestal bearing 84 includes a fourth bearing 841 and a fourth bearing 842, the second lead screw 81 and the fourth bearing 842 are concentrically mounted, the fourth bearing 841 fastens the fourth bearing 842, and the fourth bearing 841 is fixedly connected with the camera fixing rod 1032. The third bearing with the seat and the fourth bearing with the seat are introduced, so that the first screw rod and the second screw rod can rotate stably, and the distance can be adjusted stably.

In order to better realize the collection of image information, in the embodiment of the present invention, the mold holder 2 includes a frame main body 201 and a supporting main body 202 located inside the frame main body 201, the mold 3 to be detected is placed on the upper portion of the supporting main body 202, and the frame main body 201 is provided with the light source component 203. The introduction of the light source component enables the camera a, the camera b and the camera c to clearly detect some defects of the complete display belt detection mold when taking a picture.

As shown in fig. 1, in order to improve the convenience of operation, in an embodiment of the present invention, the light source part 203 includes: the light source detection device comprises a worm motor 204, a light source support 205 and a light source 206, wherein one end of the light source support 205 is rotatably connected with an output shaft of the worm motor through a flange coupling 207, the light source 206 is installed at the other end of the light source support 205, and the worm motor 204 is fixedly connected with the frame main body 201 through a worm motor support 208, so that the worm motor 204 rotates to drive the light source support 205 to rotate, and the light source 206 is placed at the position of the mold 3 to be detected. After the worm motor 204 obtains the motion signal, the worm motor 204 rotates to realize the movement of the light source through the flange coupler and the light source bracket, thereby providing light source support for more clearly obtaining image information.

In order to improve the definition, the light source is set to be an annular light source, and the outline of the outer wall of the annular light source is matched with the outline of the inner wall of the mold to be detected, so that the defect of the inner wall of the mold can be displayed more clearly.

In order to prevent collision, in the embodiment of the present invention, the light source bracket 205 is further provided with a first travel limit switch 209 and a second travel limit switch 210, the first travel limit switch 209 and the second travel limit switch 210 are both electrically connected to the worm motor 204, one side of the light source bracket 205 is further provided with a plurality of push rod motors 211, each push rod motor 211 is fixed on the frame main body 201 through a push rod motor fixing frame 212, and a fixing mold clamp 213 is arranged at a push rod end of each push rod motor 211.

In the embodiment of the present invention, the first travel limit switch 209 is located at one end of the light source support close to the light source and the mold to be detected, when the light source reaches the first preset position, the worm motor 204 stops rotating, the light source support and the light source stop moving, so as to prevent the light source from touching the inner wall of the mold to be detected and causing damage to the inner wall of the mold to be detected, the second travel limit switch 210 is located at one end of the light source support close to the worm motor 204, when the light source reaches the initial position, the worm motor 204 stops rotating, and the light source support and the light source stop moving. The introduction of the second travel limit switch can prevent the light source bracket from colliding with the frame main body to cause damage.

In the embodiment of the present invention, two sets of the push rod motors 211 are provided, the two sets of the push rod motors 211 are fixed on one side of the frame main body 201 through the push rod motor fixing frames 212, each fixing mold clip 213 is rotatably connected to the end of the push rod of the corresponding push rod motor, the angle of each fixing mold clip is adjustable, each push rod motor fixing frame 212 is detachably connected to the frame main body 201 through decoding, the push rod of each push rod motor 211 is pushed out, and thus the mold to be detected is pushed to a stable position through the fixing mold clip.

In the specific embodiment of the present invention, a plurality of universal ball bearings 214 are fixedly disposed on the surface of the upper portion of the support main body 202, the heights of the vertexes of the universal ball bearings 214 are the same, the mold 3 to be detected is placed on the upper portions of the universal ball bearings 214, the present invention further includes a fourth controller, a fifth controller and a mold positioning detection device, the fourth controller is electrically connected to the worm motor 204, each push rod motor 211 and the mold positioning detection device are electrically connected to the fifth controller, the push rod of each push rod motor 211 is pushed out, and thus the mold to be detected is pushed to move to a stable position on the top of each universal ball bearing by the fixing mold clamp.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. The utility model provides a mould defect intellectual detection system device based on vision which characterized in that includes:

the mold detection device comprises an image acquisition support (1) and a mold support (2), wherein the mold support (2) is arranged below the image acquisition support (1), a mold (3) to be detected is placed on the mold support (2), and an image acquisition device (4) is arranged on the image acquisition support (1) so as to realize the image acquisition of the mold (3) by the image acquisition device (4);

the image acquisition support (1) comprises a base (101), a door-shaped support (102) and a Z-axis support (103), wherein the door-shaped support (102) is arranged perpendicular to the ground, the door-shaped support (102) is arranged on the base (101), and a reinforcing rod (103) is connected between the base (101) and the door-shaped support (102); the Z-axis support (103) is arranged in parallel to the ground; the Z-axis support (103) is connected with the door-shaped support (102) in a sliding mode so that the Z-axis support (103) can move up and down relative to the door-shaped support (102);

the Z-axis bracket (103) comprises a bracket main body (1031) with a square structure and a camera fixing rod (1032); the camera fixing lever (1032) is slidably connected with the holder body (1031) to move the camera fixing lever (1032) back and forth with respect to the holder body (1031);

the image acquisition device (4) is arranged on the camera fixing rod (1032).

2. The vision-based intelligent detection device for mold defects according to claim 1, wherein the holder main body (1031) comprises a front frame (10311), a right frame (10312), a rear frame (10313) and a left frame (10314) which are connected in sequence, the front frame (10311) and the rear frame (10313) are parallel, and the right frame (10312) and the left frame (10314) are parallel;

the Z-axis support (103) further comprises a cross beam (1033); the cross beam (1033) is positioned at the lower part of the bracket main body (1031) and fixedly connected with the bracket main body (1031), the cross beam (1033) is parallel to the rear frame (10313), and two ends of the cross beam (1033) are respectively connected with two vertical rods of the door-shaped bracket (102) in a sliding manner so as to enable the Z-axis bracket (103) to move up and down; the Z-axis support (103) is connected with the door-shaped support (102) in a sliding mode through the cross beam (1032).

3. The intelligent die defect detection device based on the vision is characterized in that the door-shaped support (102) comprises a first vertical beam (1021), a top beam (1023) and a second vertical beam (1022) which are connected in sequence, the first vertical beam (1021) and the second vertical beam (1022) are both perpendicular to the ground, the top beam (1022) is parallel to the ground, a stepping motor b (10211), a screw rod b (10212), a stepping motor c (10221) and a screw rod c (10222) are further arranged, and the stepping motor b (10211) and the stepping motor c (10221) are respectively arranged at two ends of the top beam (1022);

an output shaft of the stepping motor b (10211) is downward along the first vertical beam (1021), the output shaft of the stepping motor b (10211) is connected with one end of the screw rod b (10212) through an elastic coupling b (102000), the other end of the screw rod b (10212) is connected with a bearing b (10214) with a seat, the bearing b (10214) with the seat comprises a bearing seat b (102141) and a bearing b (102142), the screw rod b (10212) and the bearing b (102142) are concentrically installed, the bearing seat b (102141) fastens the bearing b (102142), and the bearing seat b (102141) is fixedly connected with the first vertical beam (1021); the cover is equipped with Z axle coaster b (10213) on first perpendicular roof beam (1021), first perpendicular roof beam (1021) is provided with slide rail b (10) parallel with length direction, Z axle coaster b (10213) include: the front board b (102131) of the pulley and the back board b (102132) of the pulley, the front board b (102131) of the pulley is provided with a screw nut b (102133) which is tightly matched with the screw rod b (10212), the screw nut b (102133) is sleeved on the screw rod b (10212), the back board b (102133) of the pulley is fixedly connected with one end of a cross beam (1033), so that the stepping motor b (10211) is started to drive the screw rod b (10212) to rotate, the Z-axis pulley b (10213) is driven to move up and down along a sliding rail b (10), and the Z-axis bracket (103) is driven to move up and down to realize the up and down movement of the image acquisition device (4);

an output shaft of the stepping motor c (10221) is downward along the second vertical beam (1022), the output shaft of the stepping motor c (10221) is connected with one end of the screw rod c (10222) through an elastic coupling c (102001), the other end of the screw rod c (10222) is connected with a bearing c (10224) with a seat, the bearing c (10224) with the seat comprises a bearing seat c (102241) and a bearing c (102242), the screw rod c (10222) and the bearing c (102242) are concentrically installed, the bearing seat c (102241) fastens the bearing c (102242), and the bearing seat c (102241) is fixedly connected with the second vertical beam (1022); the cover is equipped with Z axle coaster c (10223) on second perpendicular roof beam (1022), second perpendicular roof beam (1022) are provided with slide rail c (11) parallel with length direction, Z axle coaster c (10223) include: the front board c (102231) of the pulley and the back board c (102232) of the pulley, the front board c (102231) of the pulley is provided with a screw nut c (102233) which is tightly matched with the screw rod c (10222), the screw nut c (102233) is sleeved on the screw rod c (10222), the back board c (102233) of the pulley is fixedly connected with the other end of the beam (1033), so that the stepping motor c (10221) is started to drive the screw rod c (10222) to rotate, the Z-axis pulley c (10223) is driven to move up and down along the sliding rail c (11), and the Z-axis bracket (103) is driven to move up and down to realize the up and down movement of the image acquisition device (4);

the automatic lifting device is further provided with a stepping motor e (10231), a screw rod e (10232), a stepping motor d (10241) and a screw rod d (10242), wherein the stepping motor e (10231) and the stepping motor d (10241) are respectively installed at two ends of the rear frame (10313);

an output shaft of the stepping motor e (10231) is forwards along the left frame (10314), the output shaft of the stepping motor e (10231) is connected with one end of the screw rod e (10232) through an elastic coupling e (102002), the other end of the screw rod e (10232) is connected with a bearing with a seat e (10234), the bearing with a seat e (10234) comprises a bearing seat e (102341) and a bearing e (102342), the screw rod e (10232) and the bearing e (102342) are concentrically installed, the bearing seat e (102341) fastens the bearing e (102342), and the bearing seat e (102341) is fixedly connected with the left frame (10314); the cover is equipped with X axle coaster e (10233) on left side frame (10314), left side frame (10314) are provided with slide rail e (12) parallel with length direction, X axle coaster e (10233) include: the front plate e (102331) of the scooter and the back plate e (102332) of the scooter, the front plate e (102331) of the scooter is provided with a screw rod nut e (102333) which is tightly matched with the screw rod e (10232), the screw rod nut e (102333) is sleeved on the screw rod e (10232), the back plate e (102332) of the scooter is fixedly connected with one end of the camera fixing rod (1032), so that the stepping motor e (10231) is started to drive the screw rod e (10232) to rotate, the X-axis pulley e (10233) is driven to move back and forth along the slide rail e (12), and the camera fixing rod (1032) is driven to move back and forth;

an output shaft of the stepping motor d (10241) is forward along the right frame (10312), an output shaft of the stepping motor d (10241) is connected with one end of the lead screw d (10242) through an elastic coupling d (102003), the other end of the lead screw d (10242) is connected with a bearing d (10244) with a seat, the bearing d (10244) with the seat comprises a bearing seat d (102441) and a bearing d (102442), the lead screw d (10242) and the bearing d (102442) are concentrically mounted, the bearing seat d (102441) fastens the bearing d (102442), and the bearing seat d (102441) is fixedly connected with the right frame (10312); the cover is equipped with X axle coaster d (10243) on right frame (10312), right frame (10312) are provided with slide rail d (13) parallel with length direction, X axle coaster d (10243) include: the front plate d (102431) of the sliding trolley and the back plate d (102432) of the sliding trolley are arranged, a screw nut d (102433) which is tightly matched with the screw d (10242) is arranged on the front plate d (102431) of the sliding trolley, the screw nut d (102433) is sleeved on the screw d (10242), and the back plate d (102432) of the sliding trolley is fixedly connected with the other end of the camera fixing rod (1032), so that the stepping motor d (10241) is started to drive the screw d (10242) to rotate, and the X-axis sliding trolley d (10243) is driven to move back and forth along the sliding rail d (13) to drive the camera fixing rod (1032) to move back and forth;

the camera fixing rod is further provided with a stepping motor a (5), a third bevel gear (6), a first bevel gear (7) and a second bevel gear (8), the stepping motor a (5) is installed on the camera fixing rod (1032), the third bevel gear (6) is in rotating connection with an output shaft of the stepping motor a (5), the second bevel gear (7) and the third bevel gear (8) are respectively located at two ends of the third bevel gear (6), the third bevel gear (6) is meshed with the first bevel gear (7), and the third bevel gear (6) is meshed with the second bevel gear (8);

a first screw rod (71) and a first camera pulley (72) are further arranged, one end of the first screw rod (71) is connected with a first bearing seat (73), the other end of the first screw rod (71) is rotatably connected with the first bevel gear (7), the first bearing seat (73) comprises a first bearing seat (731) and a first bearing (732), the first screw rod (71) and the first bearing (732) are concentrically mounted, the first bearing seat (731) fastens the first bearing (732), the first bearing seat (731) is fixedly connected with the camera fixing rod (1032), the first camera pulley (72) is mounted on the camera fixing rod (1032), the camera fixing rod (1032) is provided with a first slide rail (14) parallel to the length direction, the first camera pulley (72) comprises a first pulley front plate (721), the first pulley front plate (721) is provided with a first screw rod nut (722) matched with the first screw rod (71) in a fastening manner, the first screw rod nut (722) is sleeved on the first screw rod (71);

the camera fixing device is further provided with a second lead screw (81) and a second camera pulley (82), one end of the second lead screw (81) is connected with a second bearing with seat (83), the other end of the second lead screw (81) is rotatably connected with a second bevel gear (8), the second bearing with seat (83) comprises a second bearing seat (831) and a second bearing (832), the second lead screw (81) and the second bearing (832) are concentrically installed, the second bearing seat (831) is used for fastening the second bearing (832), the second bearing seat (831) is fixedly connected with the camera fixing rod (1032), the second camera pulley (82) is installed on the camera fixing rod (1032), the camera fixing rod (1032) is provided with a second sliding rail (15) parallel to the length direction, the second camera pulley (82) comprises a second pulley front plate (821), the second pulley front plate (821) is provided with a second lead screw nut (822) matched with the second lead screw (81) in a fastening mode, a second screw nut (822) is sleeved on the second screw (81);

a first bevel gear (7), a second bevel gear (8), a first screw rod (71) and a second screw rod (81), a first camera pulley (72) and a second camera pulley (82), a first bearing with a seat (73) and a second bearing with a seat (83), a first slide rail (14) and a second slide rail (15) are respectively and symmetrically arranged so as to realize that a stepping motor a (5) is started to drive a third bevel gear (6) to rotate and drive the second bevel gear (7) and the third bevel gear (8) to reversely rotate, and the first screw rod (71) and the second screw rod (81) reversely rotate and drive the first camera pulley (72) to reversely move along the first slide rail (14) and the second camera pulley (82) along the second slide rail (15);

the image acquisition device (4) comprises a camera a (401), a camera b (402) and a camera c (403), wherein the camera a (401) is installed at the front end of the bracket main body (1031), the camera b (402) is installed on the first camera pulley (72), and the camera c (403) is installed on the second camera pulley (82) so as to realize the up-and-down movement of the camera a (401), the camera b (402) and the camera c (403), the front-and-back and left-and-right movement of the camera b (402) and the camera c (403), and the front-and-back movement of the camera a (401).

4. The vision-based intelligent die defect detecting device of claim 3, further comprising a first controller and a height detecting unit, wherein the height detecting unit is electrically connected with the first controller, the stepping motor b (10211) and the stepping motor c (10221) are electrically connected with the first controller, a second controller and a front-back distance detecting unit are electrically connected with the second controller, and the stepping motor e (10231) and the stepping motor d (10241) are electrically connected with the second controller; the device is characterized by further comprising a third controller and a left-right distance detection unit, wherein the left-right distance detection unit is electrically connected with the third controller, and the third controller is electrically connected with the stepping motor a (5).

5. The vision-based intelligent detection device for mold defects as recited in claim 4, wherein a stepping motor a (5) is installed at a middle position of the camera fixing rod (1032).

6. The intelligent detection device for the mold defects based on the vision as claimed in claim 5, wherein a first limit switch c (20) and a second limit switch c (21) are fixedly arranged on the second vertical beam (1022), the first limit switch c (20) is located between the stepping motor c (10221) and the Z-axis trolley c (10223), and the second limit switch c (21) is located between the Z-axis trolley c (10223) and the seated bearing c (10224);

the camera fixing device is characterized by further comprising a first limit switch m (22) and a first limit switch n (23), wherein the first limit switch m (22) is fixedly arranged on the first screw rod (71), the first limit switch m (22) is located between a first block bearing (73) and the first camera pulley (72), the first limit switch n (23) is fixedly arranged on the camera fixing rod (1032), and the first limit switch n (23) is located between the first camera pulley (72) and the first bevel gear (7);

the camera fixing device is characterized by further comprising a second limit switch m (24) and a second limit switch n (25), wherein the second limit switch m (24) is fixedly arranged on the second screw rod (81), the second limit switch m (24) is located between a second bearing with a seat (83) and the second camera pulley (82), the second limit switch n (25) is fixedly arranged on the camera fixing rod (1032), and the second limit switch n (25) is located between the second camera pulley (82) and the second bevel gear (8).

7. The intelligent vision-based mold defect detection device according to claim 6, further comprising a third seated bearing (74) and a fourth seated bearing (84), wherein the third seated bearing (74) and the fourth seated bearing (84) are symmetrically arranged;

the third bearing (74) with seat is positioned between the first limit switch n (23) and the first bevel gear (7), the third bearing (74) with seat comprises a third bearing seat (741) and a third bearing (742), the first screw rod (71) and the third bearing (742) are concentrically installed, the third bearing seat (741) fastens the third bearing (742), and the third bearing seat (741) is fixedly connected with the camera fixing rod (1032),

fourth area seat bearing (84) are located between second limit switch n (25) and second bevel gear (8), and fourth area seat bearing (84) include fourth bearing seat (841) and fourth bearing (842), second lead screw (81) and fourth bearing (842) concentric dress of reality, fourth bearing seat (841) fastening fourth bearing (842) fourth bearing seat (841) with camera dead lever (1032) fixed connection.

8. The intelligent detection device for defects of molds based on vision as claimed in claim 7, characterized in that the mold support (2) comprises a frame body (201) and a support body (202) located inside the frame body (201), the mold (3) to be detected is placed on the upper portion of the support body (202), and the frame body (201) is provided with a light source component (203).

9. The vision-based intelligent detection device for mold defects as recited in claim 8, wherein the light source component (203) comprises: the light source detection device comprises a worm motor (204), a light source support (205) and a light source (206), wherein one end of the light source support (205) is rotatably connected with an output shaft of the worm motor through a flange coupler (207), the light source (206) is installed at the other end of the light source support (205), the worm motor (204) is fixedly connected with a frame main body (201) through a worm motor support (208), and the worm motor (204) rotates to drive the light source support (205) to rotate so as to place the light source (206) at the position of the mold (3) to be detected.

10. The vision-based intelligent mold defect detection device according to claim 9, wherein a first travel limit switch (209) and a second travel limit switch (210) are further disposed on the light source support (205), the first travel limit switch (209) and the second travel limit switch (210) are both electrically connected to the worm motor (204), a plurality of push rod motors (211) are further disposed on one side of the light source support (205), each push rod motor (211) is fixed to the frame main body (201) through a push rod motor fixing frame (212), and a fixed mold clamp (213) is disposed at a push rod end of each push rod motor (211).

11. The intelligent mold defect detection device based on the vision as recited in claim 10, wherein a plurality of universal ball bearings (214) are fixedly arranged on the surface of the upper portion of the support main body (202), the heights of the vertexes of the universal ball bearings (214) are the same, the mold (3) to be detected is placed on the upper portions of the universal ball bearings (214), the intelligent mold defect detection device further comprises a fourth controller, a fifth controller and a mold positioning detection device, the fourth controller is electrically connected with the worm motor (204), and each push rod motor (211) and the mold positioning detection device are electrically connected with the fifth controller.