CN116203051A

CN116203051A - Product internal defect detection equipment and detection method based on X-rays

Info

Publication number: CN116203051A
Application number: CN202310498723.8A
Authority: CN
Inventors: 马书杰; 高曾彬; 陶桔; 刘永杰; 黄涛
Original assignee: Wuxi Unicomp Technology Co ltd
Current assignee: Wuxi Unicomp Technology Co ltd
Priority date: 2023-05-06
Filing date: 2023-05-06
Publication date: 2023-06-02
Anticipated expiration: 2043-05-06
Also published as: CN116203051B

Abstract

The invention belongs to the technical field of product detection, and discloses product internal defect detection equipment and a detection method based on X rays. The equipment comprises a shielding shell provided with a supporting frame, a material bearing device, a ray emitting device and a detection imaging device; the material bearing device comprises a Y-direction moving mechanism and a bearing platform capable of bearing a plurality of materials, and the Y-direction moving mechanism is connected with the supporting frame and can drive the bearing platform to move along the Y direction; the ray emission device comprises a ray moving mechanism and a ray source mechanism, wherein the ray moving mechanism is connected with the support frame and can drive the ray source mechanism to move along the X direction and the Z direction; the detection imaging device comprises a detection moving mechanism, a detector and a display, wherein the detection moving mechanism is connected with the supporting frame and can drive the detector to move along the X direction and the Z direction so as to detect X rays passing through a material through the detector and image the X rays by the display. The invention can improve the adjustability of each part of the equipment, has compact structure, is beneficial to realizing batch detection and improves the detection efficiency.

Description

Product internal defect detection equipment and detection method based on X-rays

Technical Field

The invention relates to the technical field of product detection, in particular to product internal defect detection equipment and method based on X-rays.

Background

In the manufacturing process of products, such as 3C products (generally called as computer products, communication products and consumer electronic products), corresponding detection is needed to ensure the quality of the products.

The radiation detection is used as a nondestructive detection method, and has wider application. The X-ray detection in the ray detection adopts X-rays, and because the X-rays have the characteristic of being capable of penetrating through visible light and not penetrating through an object, when a product has defects, the attenuation of the object to the rays can be changed in a defect area, so that the change of the ray intensity is caused, and therefore, whether the defects exist in the product and the positions and the sizes of the defects can be judged by detecting the penetrating ray intensity.

The existing X-ray detection equipment can detect one product at a time or detect a plurality of products only through a stage of a mobile product, the radiation emission of the equipment and the mobility of a detection imaging part are poor, the whole volume of the equipment is increased, and the adjustability of the equipment is reduced, so that the problem of limiting the number of products in single detection exists, and the mass production is not facilitated, and the detection efficiency is improved.

Disclosure of Invention

The invention aims to provide an X-ray-based product internal defect detection device, which can improve the adjustability of each part of the device, has a compact structure, is beneficial to realizing batch detection and improves the detection efficiency.

Another object of the present invention is to provide a method for detecting internal defects of a product based on X-rays, which uses the above-mentioned apparatus for detecting internal defects of a product based on X-rays to implement batch detection, thereby improving detection efficiency.

To achieve the purpose, the invention adopts the following technical scheme:

an X-ray based product internal defect detection apparatus comprising:

the shielding shell is internally provided with a supporting frame;

the material bearing device comprises a Y-direction moving mechanism and a bearing platform, one end of the Y-direction moving mechanism is connected with the supporting frame, the bearing platform is arranged on the Y-direction moving mechanism and can bear a plurality of materials, and the Y-direction moving mechanism can drive the bearing platform to move along the Y direction so as to drive the materials to move;

the ray emission device comprises a ray moving mechanism and a ray source mechanism, wherein the ray moving mechanism is connected with the supporting frame and can drive the ray source mechanism to move along the X direction and the Z direction so as to change the irradiation position and the irradiation distance of the X rays emitted by the ray source mechanism to the bearing platform;

The detection imaging device comprises a detection moving mechanism, a detector and a display, wherein the detection moving mechanism is connected with the supporting frame and is arranged on one side of the material bearing device, which is far away from the ray emitting device, the detection moving mechanism can drive the detector to move along the X direction and the Z direction, and the detector can detect X rays passing through the material and image through the display so as to detect the quality of the material.

Optionally, the bearing platform is provided with a plurality of spacers, the spacers are arranged at intervals with preset intervals, and the material can be clamped between two adjacent spacers.

Optionally, the bearing platform is further provided with a pressing piece, two ends of the pressing piece are rotationally connected to the bearing platform, so that the pressing piece can be covered above the spacer, and the material is pressed by turning over the pressing piece.

Optionally, the bearing platform includes platform body and carbon fiber panel, be equipped with the constant head tank on the platform body, carbon fiber panel detachably connect in the constant head tank, the spacer with compress tightly the piece all is located on the carbon fiber panel.

Optionally, the platform body is equipped with the detection piece, the carbon fiber panel is equipped with the locating part, compress tightly the piece with the locating part rotates to be connected in order to overturn, the detection piece is used for detecting the existence of locating part.

Optionally, the Y moves the mechanism and includes Y to mounting and Y to moving the piece, the one end of Y to mounting is connected the support frame, Y moves the piece swing joint Y to the mounting, load-bearing platform connect in Y moves the piece, so that load-bearing platform is followed Y direction removes.

Optionally, the material bearing device further comprises an L-shaped connecting piece, one end of the L-shaped connecting piece is connected with the Y-direction moving piece, and the other end of the L-shaped connecting piece is connected with the bearing platform, so that the bearing platform can extend out of the shielding shell to take and place the material.

Optionally, the ray moving mechanism includes an X-ray moving component and a Z-ray moving component, the X-ray moving component is connected to the supporting frame, the Z-ray moving component is connected to the X-ray moving component, so that the X-ray moving component can drive the Z-ray moving component to move along the X-direction, and the ray source mechanism is connected to the Z-ray moving component, so that the Z-ray moving component can drive the ray source mechanism to move along the Z-direction.

Optionally, the Z is to ray and is removed the subassembly and include mounting bracket and ball, ray source mechanism pass through the mounting bracket connect in X is to ray and remove the subassembly, ball's lead screw body connects the mounting bracket, ball's nut is connected ray source mechanism makes ball can drive ray source mechanism follows Z direction removes.

Optionally, the Z-direction radiation moving assembly further includes a linear guide rail disposed on the mounting frame, so that the radiation source mechanism can be matched with the linear guide rail to move along the Z-direction on the mounting frame.

Optionally, the ray source mechanism includes X ray source body and lifting frame, the lifting frame is used for bearing the X ray source body, the one end of mounting bracket is connected X ray removal subassembly and follow the Z direction extends, the lifting frame is connected ball screw's nut and with linear guide cooperates, so as to drive the X ray source body is followed the Z direction removes.

Optionally, the detection moving mechanism includes an X-direction detection moving assembly and a Z-direction detection moving assembly, the X-direction detection moving assembly is connected to the supporting frame, the Z-direction detection moving assembly is connected to the X-direction detection moving assembly through a connecting frame, so that the X-direction detection moving assembly can drive the Z-direction detection moving assembly to move along the X-direction, and the detector is connected to the Z-direction detection moving assembly, so that the detector is driven to move along the Z-direction by the Z-direction detection moving assembly.

Optionally, the shielding shell includes lift gate and grating, the grating is located the both sides of lift gate for detect the human body, the grating with the lift gate electricity is connected, so that can after the grating detects the human body, makes the lift gate stop closing, the lift gate with ray source mechanism electricity is connected, so that when the lift gate operates, make ray source mechanism stop operation.

An X-ray based product internal defect detection method using the above-mentioned X-ray based product internal defect detection apparatus, comprising:

the material loading preparation is carried out, the bearing platform extends out of the lifting door of the shielding shell through the Y-direction moving mechanism, after the material is placed on the bearing platform, the bearing platform is reset into the shielding shell, and the lifting door is closed, so that the inside of the shielding shell is closed;

after the distance between the radiation emitting device and the detecting imaging device and the materials is adjusted along the Z direction, the radiation emitting device and the detecting imaging device synchronously move along the X direction and alternate with the movement of the bearing platform along the Y direction, so that the radiation source mechanism irradiates different materials, and the X rays passing through the materials are detected by the detector;

Imaging and judging, namely imaging a detection result of the detector through the display, and judging whether the material quality is qualified or not according to the imaging.

Advantageous effects

The product internal defect detection equipment based on the X-rays reduces the damage to human bodies due to the use of the X-rays by arranging the shielding shell; a supporting frame is arranged in the shielding shell so as to be convenient for connecting the material bearing device, the ray emitting device and the detection imaging device; one end of a Y-direction moving mechanism of the material bearing device is connected with the supporting frame and can drive the bearing platform to move along the Y direction, so that a plurality of materials on the bearing platform can move; one end of a ray moving mechanism of the ray emitting device is connected with the support frame, and can drive the ray source mechanism to move along the X direction and the Z direction so as to change the irradiation position and the irradiation distance of the ray source mechanism on the bearing platform and realize the ray irradiation of different materials; the detection moving mechanism of the detection imaging device is connected with the supporting frame and can drive the detector to move along the X direction and the Z direction so as to detect X rays passing through the material through the detector and image the material through the display, and the quality of the material is judged according to imaging, so that the detection of the material is realized; the material bearing device, the ray emission device and the detection imaging device are all arranged to be of movable structures, and space occupation during movement is reduced through relative movement, so that the device is compact in structure, adjustability of each part of the device is improved, detection areas are enlarged, batch detection is further realized, and detection efficiency is improved.

According to the product internal defect detection method based on the X-rays, batch detection can be achieved by adopting the product internal defect detection equipment based on the X-rays, and the loading platform for placing materials extends out of the shielding shell, so that the loading operation difficulty is simplified, and the material detection efficiency is improved.

Drawings

Fig. 1 is an isometric view of an X-ray based product internal defect detection apparatus provided by an embodiment of the present invention.

Fig. 2 is a front view of an X-ray based product internal defect detection apparatus provided by an embodiment of the present invention.

Fig. 3 is an internal isometric view of an X-ray based product internal defect inspection apparatus provided by an embodiment of the present invention.

Fig. 4 is an internal elevation view of an X-ray based product internal defect detection apparatus provided by an embodiment of the present invention.

Fig. 5 is a schematic view of a first view angle of a detection imaging device according to an embodiment of the present invention.

Fig. 6 is a schematic diagram of a second view angle of the detection imaging device according to the embodiment of the present invention.

Fig. 7 is a front view of a probe imaging apparatus provided by an embodiment of the present invention.

Fig. 8 is a schematic view illustrating a first view angle of a radiation emitting device according to an embodiment of the present invention.

Fig. 9 is a schematic diagram of a second view angle of the radiation emitting device according to an embodiment of the present invention.

Fig. 10 is a front view of a radiation emitting device provided in an embodiment of the present invention.

Fig. 11 is a side view of a radiation emitting device provided in an embodiment of the present invention.

Fig. 12 is a schematic view of a material carrying device according to an embodiment of the present invention.

Fig. 13 is an enlarged view at a in fig. 12.

Fig. 14 is a schematic view of a second perspective view of a material carrying device according to an embodiment of the present invention.

Fig. 15 is a top view of a material carrying device according to an embodiment of the present invention.

Fig. 16 is a schematic view of a carbon fiber panel according to an embodiment of the present invention.

Fig. 17 is a flowchart of a method for detecting an internal defect of an X-ray based product according to an embodiment of the present invention.

In the figure:

1. a shielding housing; 11. a support frame; 12. a lifting door; 13. a grating;

2. a material carrying device; 21. a Y-direction moving mechanism; 211. y-direction fixing pieces; 212. a Y-direction moving member; 22. a load-bearing platform; 221. a carbon fiber panel; 23. a spacer; 24. a pressing member; 25. an L-shaped connector; 26. a limiting piece; 27. a connecting piece; 28. a detecting member;

3. a radiation emitting device; 31. a radiation source mechanism; 311. an X-ray source body; 312. a lifting frame; 32. an X-ray moving assembly; 33. a Z-direction ray moving assembly; 331. a mounting frame; 332. a ball screw; 3321. a synchronizing wheel; 333. a linear guide rail;

4. Detecting an imaging device; 41. detecting a moving mechanism; 411. an X-direction detection moving assembly; 412. a Z-direction detection moving assembly; 42. a detector; 43. a connecting frame; 431. an X-direction connecting piece; 432. a Z-direction connecting piece; 44. the connector is probed.

Detailed Description

The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.

In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

As shown in fig. 1 to 4, an apparatus for detecting an internal defect of an X-ray-based product (hereinafter, simply referred to as "apparatus") provided in the present embodiment includes a shielding case 1, a material carrying device 2, a radiation emitting device 3, and a detection imaging device 4.

As shown in fig. 1 to 16, a supporting frame 11 is arranged in the shielding shell 1; the material bearing device 2 comprises a Y-direction moving mechanism 21 and a bearing platform 22, wherein one end of the Y-direction moving mechanism 21 is connected with the supporting frame 11, the bearing platform 22 is arranged on the Y-direction moving mechanism 21, the bearing platform 22 can bear a plurality of materials, and the Y-direction moving mechanism 21 can drive the bearing platform 22 to move along the Y direction so as to drive the materials to move; the ray emission device 3 comprises a ray moving mechanism and a ray source mechanism 31, wherein the ray moving mechanism is connected to the support frame 11 and is arranged on one side of the material bearing device 2, and can drive the ray source mechanism 31 to move along the X direction and the Z direction so as to change the irradiation position and the irradiation distance of the X rays emitted by the ray source mechanism 31 to the bearing platform 22; the detecting and imaging device 4 comprises a detecting and moving mechanism 41, a detector 42 and a display (not shown in the figure), wherein the display can be a flat panel display (Flat Panel Display, FPD), the detecting and moving mechanism 41 is connected to the supporting frame 11 and arranged on one side of the material bearing device 2 far away from the ray emitting device 3, the detecting and moving mechanism 41 can drive the detector 42 to move along the X direction and the Z direction, and the detector 42 can detect X rays passing through the material and image the X rays through the display so as to detect the quality of the material.

The shielding shell 1 is covered outside the device and is used for shielding X rays, so that the damage to human bodies in the detection process is reduced, and the use safety is improved. A support frame 11 is provided in the shielding housing 1 in order to connect the material carrying device 2, the radiation emitting device 3 and the detection imaging device 4. The supporting frame 11 may be a frame structure, and a supporting rod or a supporting plate is provided at a connection position as needed. It will be appreciated that the detecting and imaging device 4, the material carrying device 2 and the radiation emitting device 3 may be arranged vertically up and down in space, or may be arranged horizontally, and the detecting and imaging device 4 and the radiation emitting device 3 may be separately provided on two sides of the material carrying device 2, so that the detecting and imaging device 4 may detect the X-rays emitted by the radiation emitting device 3 and passing through the material.

In the present embodiment, the detection imaging device 4, the material carrying device 2, and the radiation emitting device 3 are disposed vertically above one another as an example. One end of a Y-direction moving mechanism 21 of the material bearing device 2 is connected with the supporting frame 11, and a bearing platform 22 is arranged on the Y-direction moving mechanism 21, so that the Y-direction moving assembly 21 can drive the bearing platform 22 to move along the Y direction, and then the material on the bearing platform 22 can move along the Y direction, and the equipment can detect the material at different positions even under the condition that the detection imaging device 4 and the ray emitting device 3 are fixed. One end of a ray moving mechanism of the ray emitting device 3 is connected with the supporting frame 11, and the ray source mechanism 31 is connected to the ray moving mechanism, so that the ray moving mechanism can drive the ray source mechanism 31 to move along the X direction and the Z direction respectively, and the irradiation position and the irradiation distance of the ray source mechanism 31 on the bearing platform 22 are changed, so that a plurality of materials can be detected, and the automatic adjustment of the magnification can be realized. The detection moving mechanism 41 of the detection imaging device 4 is connected with the supporting frame 11, and the detector 42 is arranged on the detection moving mechanism 41, so that the detection moving mechanism 41 can drive the detector 42 to move along the X direction and the Z direction respectively. Preferably, the detector 42 moves in synchronism with the source mechanism 31 to detect X-rays passing through the material by the detector 42 and image the material by the display, and determine whether the material is defective based on the imaging result. Preferably, a display is electrically connected to the detector 42, and the display may be disposed outside the shielding case 1, so that an operator can safely view the imaging result to determine the quality of the material.

The equipment is characterized in that a material bearing device 2, a ray emitting device 3 and a detection imaging device 4 are all arranged into a movable structure, and the space occupation during movement is reduced through the relative movement among the parts, so that the equipment structure is compact; meanwhile, the adjustability of each part of the equipment is improved, and the detection area can be enlarged, so that the quantity of materials placed on the bearing platform 22 is increased, batch detection is further realized, and the detection efficiency is improved; furthermore, the device can be convenient for manual operation in each step, and can correspondingly adjust the actions of each part of structure to realize manual control and detection.

Optionally, the shielding shell 1 includes a lifting door 12 and a grating 13, the lifting door 12 is disposed on one side of the shielding shell 1, the grating 13 is disposed on two sides of the lifting door 12 for detecting a human body, the grating 13 is electrically connected with the lifting door 12, so that the lifting door 12 can be stopped from being closed after the grating 13 detects the human body, and the lifting door 12 is electrically connected with the radiation source mechanism 31, so that the radiation source mechanism 31 stops running when the lifting door 12 runs.

The lifting door 12 is arranged at a feed port matched with the material bearing device 2 on the shielding shell 1, and the lifting door 12 descends to open the feed port of the shielding shell 1 so as to enable the bearing platform 22 to extend out; the lifting door 12 is lifted to close the feed port, so that the inside of the shielding shell 1 is in a closed state. It will be appreciated that the apparatus also includes control means for controlling the action of the various parts. The outside of the shielding shell 1 is provided with the grating 13, a supporting structure can be arranged outside the lifting door 12, and the supporting structure can keep the operator away from the inside of the shielding shell 1 while temporarily storing materials, so that the grating 13 can be conveniently installed. Because operating personnel can be close to the lifting door 12 when changing the material, the grating 13 is arranged outside the lifting door 12 and electrically connected, and can timely detect the operating personnel, so that the lifting door 12 stops closing, and the operating personnel is prevented from being injured by clamping in the process of closing the lifting door 12. The lifting door 12 is electrically connected with the internal ray source mechanism 31, so that the subsequent operation of the ray source mechanism 31 can be performed after the lifting door 12 is completely closed, namely, the inside of the shielding shell 1 is in a closed state, and the safety of operators is guaranteed. Preferably, the location of the grating 13 includes, but is not limited to, being disposed outside the lift gate 12, and the specific location and number of the grating 13 may be set as desired.

The shielding shell 1 is also provided with a necessary warning structure and an alarm structure, and warning is carried out through the warning structure so as to avoid misoperation when the equipment runs, so that operators are injured; through alarm structure, can send the alarm after equipment trouble or maloperation, remind operating personnel to handle in time. Rollers may be provided at the bottom of the shield case 1 to facilitate movement of the device. The shielding shell 1 can be provided with an openable mounting door structure on one side surface so as to facilitate disassembly, assembly and maintenance of all parts inside the equipment, and a display screen and a control button can be arranged on the mounting door so as to control the equipment, thereby improving the detection automation degree. Specifically, the shielding shell 1 is formed by sequentially laminating a first steel plate, a lead plate and a second steel plate, and the shielding effect on X rays is ensured by utilizing the characteristic that the X rays are not easy to penetrate through lead, so that the safety of operators is improved.

As shown in fig. 1-7, optionally, the detecting moving mechanism 41 includes an X-direction detecting moving component 411 and a Z-direction detecting moving component 412, the X-direction detecting moving component 411 is connected to the supporting frame 11, the Z-direction detecting moving component 412 is connected to the X-direction detecting moving component 411 through the connecting frame 43, so that the X-direction detecting moving component 411 can drive the Z-direction detecting moving component 412 to move along the X-direction, and the detector 42 is connected to the Z-direction detecting moving component 412, so that the detector 42 is driven to move along the Z-direction by the Z-direction detecting moving component 412.

Preferably, the X-direction detecting and moving assembly 411 and the Z-direction detecting and moving assembly 412 can be linear modules, the fixing part of the X-direction detecting and moving assembly 411 is connected with the supporting frame 11, and the fixing part of the Z-direction detecting and moving assembly 412 is connected to the moving part of the X-direction detecting and moving assembly 411 through the connecting frame 43, so that the Z-direction detecting and moving assembly 412 can realize movement in the X-direction; the detector 42 is coupled to the moving part of the Z-direction detecting moving assembly 412 such that the detector 42 can move in the Z-direction. Under the combined action of the X-direction detecting and moving component 411 and the Z-direction detecting and moving component 412, the detector 42 can move along the X-direction and the Z-direction respectively.

Further, the connecting frame 43 includes an X-direction connecting member 431 and a Z-direction connecting member 432, and the X-direction connecting member 431 and the Z-direction connecting member 432 may be disposed perpendicular to each other, so as to meet the connection requirements of the X-direction detecting moving assembly 411 and the Z-direction detecting moving assembly 412. Specifically, the X-direction connection member 431 and the Z-direction connection member 432 may be connection plates, and the X-direction connection member 431 may include an X-direction fixing plate and an X-direction reinforcing structure, such as a reinforcing plate, to increase the connection strength of the X-direction fixing plate and the Z-direction connection member 432 and to improve the reliability of the probe imaging device 4.

Preferably, the detecting imaging device 4 further includes a detecting connecting member 44, the detecting connecting member 44 is connected to the moving part of the Z-direction detecting moving assembly 412, and the detector 42 is placed on the detecting connecting member 44, so that the Z-direction moving assembly 412 can drive the detector 42 to move. Specifically, the detecting connector 44 includes a placement cavity and a Z-direction reinforcement structure, the Z-direction reinforcement structure is connected to the outside of the placement cavity, the placement cavity and the Z-direction reinforcement structure are both connected to the moving part of the Z-direction detecting moving assembly 412, and the stability of the placement cavity is improved by the Z-direction reinforcement structure. And an avoidance structure is further arranged on the cavity wall of the placement cavity so as to ensure the normal operation of the detection function of the detector 42.

1-11, optionally, the ray moving mechanism includes an X-ray moving component 32 and a Z-ray moving component 33, where the X-ray moving component 32 is connected to the support 11, the Z-ray moving component 33 is connected to the X-ray moving component 32, so that the X-ray moving component 32 can drive the Z-ray moving component 33 to move along the X-direction, and the ray source mechanism 31 is connected to the Z-ray moving component 33, so that the Z-ray moving component 33 can drive the ray source mechanism 31 to move along the Z-direction.

In this embodiment, the X-ray moving component 32 may be a linear module, and is connected to the support frame 11 through a fixing portion of the linear module, and a moving portion of the linear module is connected to the Z-ray moving component 33 to drive the Z-ray moving component 33 to move along the X-direction.

Optionally, the Z-direction radiation moving assembly 33 includes a mounting frame 331 and a ball screw 332, the radiation source mechanism 31 is connected to the X-direction radiation moving assembly 32 through the mounting frame 331, a screw body of the ball screw 332 is connected to the mounting frame 331, and a nut of the ball screw 332 is connected to the radiation source mechanism 31, so that the ball screw 332 can drive the radiation source mechanism 31 to move along the Z-direction.

The ball screw 332 includes a screw body and a nut that are mutually matched, the nut is sleeved on the screw body, and the screw body can drive the nut to linearly move when rotating around the axis of the screw body. The ball screw 332 is driven by a motor, and the motor drives the synchronous wheel 3321 to rotate, so that the synchronous wheel 3321 rotates to drive the screw body to rotate. Specifically, two synchronizing wheels 3321 are provided, one synchronizing wheel 3321 is connected to the output end of the motor, the other synchronizing wheel 3321 is connected to the screw body, and the two synchronizing wheels 3321 are connected through a belt transmission. The nut of the ball screw 332 is connected with the radiation source mechanism 31, so that the radiation source mechanism 31 can be driven by the screw body to move along the Z direction, and the irradiation distance between the radiation source mechanism 31 and the material can be reliably adjusted. In view of the specific structure and principle of the ball screw 332 that is already known in the art, the details are not repeated here.

Optionally, the Z-direction radiation moving assembly 33 further includes a linear guide 333, and the linear guide 333 is disposed on the mounting frame 331, so that the radiation source mechanism 31 can be matched with the linear guide 333 to move along the Z-direction on the mounting frame 331.

The linear guide 333 includes a guide body and a sliding part slidably connected with the guide body, and two parallel linear guide 333 may be disposed on the mounting frame 331, so that the radiation source mechanism 31 can move along the linear guide 333 when the ball screw 332 drives by connecting the sliding part with the radiation source mechanism 31, and the linear guide 333 plays a role in guiding and improving stability.

Optionally, the radiation source mechanism 31 includes an X-ray source body 311 and a lifting frame 312, the lifting frame 312 is used for carrying the X-ray source body 311, one end of the mounting frame 331 is connected to the X-ray moving assembly 32 and extends along the Z direction, and the lifting frame 312 is connected to a nut of the ball screw 332 and cooperates with the linear guide 333 to drive the X-ray source body 311 to move along the Z direction.

The mounting frame 331 may include an X-direction plate and a Z-direction plate perpendicular to each other, and a moving part of the X-ray moving assembly 32 is connected through the X-direction plate; the mounting frame 331 may include only a Z-plate, and the connection between the mounting frame 331 and the X-ray moving unit 32 may be achieved by connecting one end of the Z-plate to the moving portion of the X-ray moving unit 32. The lifting frame 312 may have a plate-like structure or a groove-like structure, and may function to support the X-ray source body 311. The lifting frame 312 and the mounting frame 331 may be provided with a avoiding groove to avoid interference of the radiation source mechanism 31 with the synchronizing wheel 3321 when moving in the Z direction. Further, the lifting frame 312 may include a lifting bottom plate and a plurality of limiting plates, wherein one end of each limiting plate is connected to the lifting bottom plate, so that the X-ray source body 311 can be stably and reliably placed on the lifting bottom plate, and the X-ray source body 311 is limited to slide off the lifting bottom plate through the limiting plates. The limiting plate can be further provided with an avoidance hole so as to ensure that the X-ray source body 311 can reliably run after being placed. Specifically, the limiting plates may be disposed at two ends of the lifting bottom plate along the X direction, so as to reduce the risk of the X-ray source body 311 sliding down when the X-ray moving assembly 32 drives the X-ray source body 311 to move along the X direction. In order to ensure reliable matching of the lifting frame 312 and the mounting frame 331, a cushion block structure is arranged, so that connection between the lifting frame 312 and the mounting frame 331 is more stable and reliable. Furthermore, the equipment is also provided with a driving device, a photoelectric protection cover and other necessary structures so as to ensure the normal operation of the structures of all parts.

Preferably, a nut matched with the screw body can be connected through a lifting bottom plate and/or a limiting plate, so that the lifting frame 312 can move along the Z direction under the driving of the ball screw 332, and further the X-ray source body 311 is driven to move along the Z direction; the screw body may be disposed between the two linear guides 333 to improve moving stability. The Z-direction plate of the mounting bracket 331 is provided with a reinforcing member on one side far away from the X-ray source body 311, and the bottom of the reinforcing member is connected with the X-direction plate or the moving part of the X-ray moving assembly 32 so as to ensure the stability of the X-ray source body 311.

As shown in fig. 1-16, optionally, the Y-moving mechanism 21 includes a Y-fixing member 211 and a Y-moving member 212, one end of the Y-fixing member 211 is connected to the supporting frame 11, the Y-moving member 212 is movably connected to the Y-fixing member 211, and the carrying platform 22 is connected to the Y-moving member 212, so that the carrying platform 22 moves along the Y direction.

The Y-moving mechanism 21 may be a linear module, and a plurality of Y-moving members 212 may be connected to the same Y-fixing member 211, so as to increase the number of materials detected at a time.

It can be understood that the linear module in this embodiment may be a linear motor module, or may be another structure capable of implementing linear motion, and the specific structure of the linear motor module will not be further described in view of the existing structure of the linear motor module.

Optionally, the material carrying device 2 further includes an L-shaped connecting member 25, one end of the L-shaped connecting member 25 is connected to the Y-direction moving member 212, and the other end of the L-shaped connecting member 25 is connected to the carrying platform 22, so that the carrying platform 22 can extend out of the shielding shell 1 to take and put materials.

Due to the arrangement of the L-shaped connecting piece 25, when one end, connected with the Y-direction moving piece 212, of the L-shaped connecting piece 25 moves to the end part of the Y-direction fixing piece 211, the other end of the L-shaped connecting piece 25 can extend the bearing platform 22 out of the shielding shell 1, so that an operator can conveniently take and put materials.

Optionally, the carrying platform 22 is provided with a plurality of spacers 23, the spacers 23 are arranged at intervals with a preset interval, and the material can be clamped between two adjacent spacers 23.

Optionally, the carrying platform 22 is further provided with a compressing member 24, and two ends of the compressing member 24 are rotatably connected to the carrying platform 22, so that the compressing member 24 can be covered above the spacer 23, so as to compress the material by turning over the compressing member 24.

Taking the material as the micro material and taking the micro material including the chip portion and the wire portion as an example, in this embodiment, the widths of the spacers 23 may be set to be different, for example, the widths of the spacers 23 may include a first width and a second width, and the spacers 23 of the first width and the spacers 23 of the second width are sequentially and alternately arranged; the preset intervals between two adjacent spacers 23 may also be set to be different, for example, a first preset interval and a second preset interval are set, and the first preset interval and the second preset interval are alternately arranged in turn. The adjacent first preset spacing and second preset spacing can be used as a group for placing the chip part and the wire part respectively. In other embodiments, the widths of the different spacers 23 may be the same, and the preset intervals may be set to be the same, so that the materials can be reliably positioned. When detecting the material, the chip part of the material is clamped between the two spacing pieces 23, and the pressing piece 24 is turned over to fix the material, so that the material can be reliably positioned during detection. Specifically, the spacer 23 may be a partition structure, and the pressing member 24 may be a pressing plate.

Optionally, the carrying platform 22 includes a platform body and a carbon fiber panel 221, the platform body is provided with a positioning slot, the carbon fiber panel 221 is detachably connected to the positioning slot, and the spacer 23 and the pressing member 24 are both disposed on the carbon fiber panel 221.

Optionally, a detecting member 28 is disposed on the platform body, a limiting member 26 is disposed on the carbon fiber panel 221, the pressing member 24 is rotationally connected with the limiting member 26 to enable overturning, and the detecting member 28 is used for detecting whether the limiting member 26 exists or not.

The carbon fiber panel 221 cooperates with the positioning slot to fix the carbon fiber panel 221 on the carrying platform 22. The spacer 23 and the pressing piece 24 are arranged on the carbon fiber panel 221, and the carbon fiber panel 221 is arranged, so that the whole replacement of a batch of materials can be facilitated, the efficiency of the detection process is improved, and meanwhile, the characteristic of high X-ray transmittance of the carbon fiber can be utilized, and the detection effect is optimized.

The two ends of the carbon fiber panel 221 may be provided with a limiting member 26, so that the pressing member 24 is rotatably connected to the limiting member 26 through a connecting member 27, so as to realize the overturning of the pressing member 24. Whether the carbon fiber panel 221 is fixed on the platform body or not is judged by detecting whether the limiting piece 26 exists or not through the detecting piece 28, and the intelligent degree of the equipment is improved. Specifically, the limiting member 26 may be a handle, and the limiting member 26 is configured to facilitate the taking and placing of the carbon fiber panel 221. Preferably, several rows of spacers 23 and compactors 24 may be provided on the same carbon fiber panel 221 to enable the fixation of multiple rows of material. Further, the detection of materials of different sizes can be achieved by changing the spacing of the spacers 23 or replacing the carbon fiber panels 221.

It can be understood that parameters such as the shape, the size and the like of the structures of each part of the equipment can be determined according to actual conditions, and corresponding functions can be realized.

As shown in fig. 17, the method for detecting an internal defect of an X-ray based product according to the present embodiment, using the above-mentioned device for detecting an internal defect of an X-ray based product, includes the following steps:

s10, preparing for feeding, wherein a bearing platform 22 extends out of a lifting door 12 of a shielding shell 1 through a Y-direction moving mechanism 21, after a material is placed on the bearing platform 22, the bearing platform 22 is reset into the shielding shell 1, and the lifting door 12 is closed to enable the inside of the shielding shell 1 to be closed;

s20, positioning and detecting, wherein after the distance between the ray emitting device 3 and the detecting and imaging device 4 and the material are adjusted along the Z direction, the ray emitting device 3 and the detecting and imaging device 4 synchronously move along the X direction and alternate with the movement of the bearing platform 22 along the Y direction, different materials are irradiated through the ray source mechanism 31, and X rays passing through the materials are detected through the detector 42;

s30, imaging and judging, wherein the detection result of the detector 42 is imaged by a display, and whether the quality of the material is qualified is judged according to imaging.

When the loading platform 22 is positioned in the shielding shell 1 as an initial state and feeding or material changing is needed, the lifting door 12 is lowered to enable the inside and the outside of the shielding shell 1 to be communicated, so that the loading platform 22 can extend out of the shielding shell 1 under the drive of the Y-direction moving mechanism 21, and feeding is convenient; after the loading is completed, the bearing platform 22 is reset into the shielding shell 1, the lifting door 12 is lifted, and a closed space is formed inside the shielding shell 1, so that the subsequent positioning detection operation can be safely and reliably performed. The ray emitting device 3 and the detection imaging device 4 are respectively arranged at two sides of the bearing platform 22, and when in detection, the distance between the ray emitting device 3 and the detection imaging device 4 at two sides and the bearing platform 22 can be adjusted by moving in the Z direction so as to optimize the imaging effect; and then the ray emitting device 3 and the detection imaging device 4 synchronously move along the X direction so as to detect the materials in the same horizontal row, after the materials in the same horizontal row are detected, the bearing platform 22 moves along the Y direction, and the ray emitting device 3 and the detection imaging device 4 move along the X direction again so as to detect the materials in the next horizontal row, and the steps are repeated until all the materials are detected, and the bearing platform 22 extends out of the shielding shell 1 to replace the materials. According to the imaging result of the display, a software program can be set to automatically judge whether the materials are qualified or not, so that the degree of automation is improved. The X-ray detection method can realize batch detection, and simplify the feeding operation difficulty by enabling the bearing platform 22 for placing materials to extend out of the shielding shell 1, thereby improving the product detection efficiency.

It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the invention. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.

Claims

1. An X-ray based product internal defect detection apparatus, comprising:

the shielding shell (1), wherein a supporting frame (11) is arranged in the shielding shell (1);

the material bearing device (2) comprises a Y-direction moving mechanism (21) and a bearing platform (22), one end of the Y-direction moving mechanism (21) is connected with the supporting frame (11), the bearing platform (22) is arranged on the Y-direction moving mechanism (21), the bearing platform (22) can bear a plurality of materials, and the Y-direction moving mechanism (21) can drive the bearing platform (22) to move along the Y direction so as to drive the materials to move;

The ray emission device (3) comprises a ray moving mechanism and a ray source mechanism (31), wherein the ray moving mechanism is connected to the supporting frame (11), and can drive the ray source mechanism (31) to move along the X direction and the Z direction so as to change the irradiation position and the irradiation distance of the X rays emitted by the ray source mechanism (31) to the bearing platform (22);

the detection imaging device (4) comprises a detection moving mechanism (41), a detector (42) and a display, wherein the detection moving mechanism (41) is connected with the supporting frame (11) and is arranged on one side, far away from the ray emitting device (3), of the material bearing device (2), the detection moving mechanism (41) can drive the detector (42) to move along the X direction and the Z direction, and the detector (42) can detect X rays penetrating through the material and image through the display so as to detect the quality of the material.

2. The product internal defect detection device based on the X-rays according to claim 1, wherein a plurality of spacers (23) are arranged on the bearing platform (22), the spacers (23) are arranged at intervals with a preset interval, and the material can be clamped between two adjacent spacers (23).

3. The X-ray based product internal defect detection device according to claim 2, wherein the carrying platform (22) is further provided with a pressing member (24), and two ends of the pressing member (24) are rotatably connected to the carrying platform (22), so that the pressing member (24) can be covered above the spacer (23) to press the material by turning over the pressing member (24).

4. An X-ray based product internal defect detection apparatus according to claim 3, wherein the carrying platform (22) comprises a platform body and a carbon fiber panel (221), the platform body is provided with a positioning groove, the carbon fiber panel (221) is detachably connected to the positioning groove, and the spacer (23) and the pressing member (24) are both arranged on the carbon fiber panel (221).

5. The X-ray based product internal defect detection device according to claim 4, wherein the platform body is provided with a detection member (28), the carbon fiber panel (221) is provided with a limiting member (26), the pressing member (24) is rotatably connected with the limiting member (26) so as to be capable of overturning, and the detection member (28) is used for detecting whether the limiting member (26) exists or not.

6. The X-ray based product internal defect detection device according to claim 1, wherein the Y-direction moving mechanism (21) comprises a Y-direction fixing member (211) and a Y-direction moving member (212), one end of the Y-direction fixing member (211) is connected with the support frame (11), the Y-direction moving member (212) is movably connected with the Y-direction fixing member (211), and the carrying platform (22) is connected with the Y-direction moving member (212) so that the carrying platform (22) moves along the Y-direction.

7. The X-ray based product internal defect detection apparatus according to claim 6, wherein the material carrying device (2) further comprises an L-shaped connecting member (25), one end of the L-shaped connecting member (25) is connected to the Y-direction moving member (212), and the other end of the L-shaped connecting member (25) is connected to the carrying platform (22), so that the carrying platform (22) can extend out of the shielding case (1) to take and place the material.

8. The device for detecting the defects in the product based on the X-rays according to claim 1, wherein the ray moving mechanism comprises an X-ray moving component (32) and a Z-ray moving component (33), the X-ray moving component (32) is connected with the supporting frame (11), the Z-ray moving component (33) is connected with the X-ray moving component (32), so that the X-ray moving component (32) can drive the Z-ray moving component (33) to move along the X-direction, and the ray source mechanism (31) is connected with the Z-ray moving component (33), so that the Z-ray moving component (33) can drive the ray source mechanism (31) to move along the Z-direction.

9. The X-ray based product internal defect detection apparatus according to claim 8, wherein the Z-direction ray moving assembly (33) comprises a mounting frame (331) and a ball screw (332), the ray source mechanism (31) is connected to the X-direction ray moving assembly (32) through the mounting frame (331), a screw body of the ball screw (332) is connected to the mounting frame (331), and a nut of the ball screw (332) is connected to the ray source mechanism (31), so that the ball screw (332) can drive the ray source mechanism (31) to move along the Z-direction.

10. The X-ray based product internal defect detection apparatus according to claim 9, wherein the Z-ray moving assembly (33) further comprises a linear guide (333), the linear guide (333) being provided on the mounting frame (331) such that the radiation source mechanism (31) can cooperate with the linear guide (333) to move in the Z-direction on the mounting frame (331).

11. The X-ray based product internal defect detection apparatus according to claim 10, wherein the radiation source mechanism (31) comprises an X-ray source body (311) and a lifting frame (312), the lifting frame (312) is used for carrying the X-ray source body (311), one end of the mounting frame (331) is connected with the X-ray moving assembly (32) and extends along the Z direction, and the lifting frame (312) is connected with a nut of the ball screw (332) and cooperates with the linear guide rail (333) so as to drive the X-ray source body (311) to move along the Z direction.

12. The device for detecting the internal defects of the products based on the X rays according to claim 1, wherein the detection moving mechanism (41) comprises an X-direction detection moving component (411) and a Z-direction detection moving component (412), the X-direction detection moving component (411) is connected with the supporting frame (11), the Z-direction detection moving component (412) is connected with the X-direction detection moving component (411) through a connecting frame (43), the X-direction detection moving component (411) can drive the Z-direction detection moving component (412) to move along the X-direction, and the detector (42) is connected with the Z-direction detection moving component (412) to drive the detector (42) to move along the Z-direction through the Z-direction detection moving component (412).

13. An X-ray based product internal defect detection device according to claim 1, wherein the shielding housing (1) comprises a lifting door (12) and a grating (13), the grating (13) is arranged at two sides of the lifting door (12) for detecting a human body, the grating (13) is electrically connected with the lifting door (12) so as to stop closing the lifting door (12) after the grating (13) detects the human body, and the lifting door (12) is electrically connected with the ray source mechanism (31) so as to stop the ray source mechanism (31) when the lifting door (12) operates.

14. An X-ray based product internal defect detection method, characterized in that an X-ray based product internal defect detection apparatus according to any one of claims 1 to 13 is used, comprising:

the loading preparation is carried out, the bearing platform (22) extends out of the lifting door (12) of the shielding shell (1) through the Y-direction moving mechanism (21), after the material is placed on the bearing platform (22), the bearing platform (22) is reset into the shielding shell (1), and the lifting door (12) is closed, so that the inside of the shielding shell (1) is closed;

after the distance between the radiation emitting device (3) and the detecting imaging device (4) and the materials is adjusted along the Z direction, the radiation emitting device (3) and the detecting imaging device (4) move along the X direction in a resynchronization way and alternate with the movement of the bearing platform (22) along the Y direction, so that the radiation source mechanism (31) irradiates different materials, and the X rays passing through the materials are detected by the detector (42);

and imaging and judging, namely imaging a detection result of the detector (42) through the display, and judging whether the material quality is qualified or not according to the imaging.