CN114264677A - Automatic online x-ray check out test set - Google Patents

Automatic online x-ray check out test set Download PDF

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Publication number
CN114264677A
CN114264677A CN202111612704.0A CN202111612704A CN114264677A CN 114264677 A CN114264677 A CN 114264677A CN 202111612704 A CN202111612704 A CN 202111612704A CN 114264677 A CN114264677 A CN 114264677A
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China
Prior art keywords
driving
ray
detection
axis direction
detected
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CN202111612704.0A
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Chinese (zh)
Inventor
闻权
王鄂豫
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Shenzhen Zhuo Mao Technology Co ltd
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Shenzhen Zhuo Mao Technology Co ltd
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Priority to CN202111612704.0A priority Critical patent/CN114264677A/en
Publication of CN114264677A publication Critical patent/CN114264677A/en
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Abstract

The utility model discloses automatic online X-ray detection equipment which comprises a machine shell and a detection device, wherein the detection device comprises a detection platform, a detection device used for detecting materials to be detected on a conveying device in a detection area, the conveying device and an X-axis driving device used for driving the conveying device to move along the X-axis direction; the conveying device comprises a first conveying device and a second conveying device which are respectively arranged at two sides of the detection platform, and the conveying devices are used for clamping and conveying the materials to be detected to the detection area; at least one of the first and second conveyors is arranged to be movable in the Y-axis direction. The detection process of the utility model is simple and time-saving, and simultaneously realizes the purpose of multi-angle detection of the material to be detected.

Description

Automatic online x-ray check out test set
Technical Field
The utility model relates to the technical field of detection, in particular to automatic online x-ray detection equipment.
Background
The x-ray check out test set is designed aiming at materials of electronic components (medical electronics, automotive electronics, semiconductor electronic components and the like), and then aiming at materials detection such as resistance-capacitance materials and IC materials in the field of electronic industry, the traditional x-ray check out test set has the defects of complex detection process, much time consumption, easy occurrence of misjudgment problem, and unclear internal structure and state of the materials to be detected. To this end, we propose an automatic online x-ray detection device.
Disclosure of Invention
The utility model mainly aims to provide automatic online x-ray detection equipment and electronic equipment with the same, and aims to simplify detection operation and enable a detected image to be clearer and more intuitive, so that detection efficiency and detection precision are improved.
The above problems to be solved by the present invention are achieved by the following technical solutions:
an automatic on-line x-ray detection device, comprising a housing and a detection apparatus disposed in the housing, the detection apparatus comprising:
a detection platform;
the detection device is used for detecting the materials to be detected on the conveying device in a detection area and comprises an x-ray transmitting device and an x-ray receiving device which are respectively arranged on the upper part and the lower part of the detection platform, and the x-ray receiving device is provided with a circular motion mechanism, an inclined swinging mechanism connected with the circular motion mechanism and an x-ray receiving mechanism connected with the inclined swinging mechanism;
the conveying device comprises a first conveying device and a second conveying device which are respectively arranged on two sides of the detection platform, and the conveying devices are used for clamping and conveying the materials to be detected to the detection area;
wherein at least one of the first and second conveyors is arranged to be movable in a Y-axis direction; and
and the X-axis driving device is used for driving the conveying device to move along the X-axis direction.
Further, the x-ray transmitting device comprises:
a base plate disposed parallel to the X-axis direction;
an x-ray launching mechanism;
and the first lifting mechanism is movably arranged on the bottom plate and is used for driving the x-ray emission mechanism to move along the Z-axis direction.
Further, the first elevating mechanism includes:
a moving part movably mounted on the bottom plate;
the fixed part is arranged above the moving part;
a first driving part mounted on the fixing part;
and the conversion part is used for converting the rotation of the first driving part into the linear motion of the x-ray emission mechanism along the Z-axis direction.
Further, the circular motion mechanism includes:
rotating the disc;
the second driving part is used for driving the rotating disc to rotate clockwise or anticlockwise;
and the connecting part is arranged at the lower end of the rotating disc and is connected with the inclined swinging mechanism.
Further, the tilt and swing mechanism includes:
the guide rail fixing plate is connected with the connecting part;
the arc-shaped guide rail is arranged on the guide rail fixing plate;
and the third driving part is used for driving the x-ray receiving mechanism to move along the arc-shaped guide rail.
Further, the connecting part is connected with a weight plate.
Further, first transmission and second transmission all include material transport mechanism and are used for driving material transport mechanism is along the X axle actuating mechanism of X axle direction motion, material transport mechanism includes:
a first fixed part;
a driving part arranged on the first fixing part;
a second fixed part;
a plurality of intermeshing gear portions provided on the second fixing portion;
a plurality of rotating wheel parts in transmission connection with the gear parts;
the material blocking part is arranged on the gear fixing plate; and
the pressing part is used for pressing the material to be detected;
the driving part is used for driving the gear part at the end part to rotate; the rotating wheel part is in a convex shape and is provided with a step part used for lifting the material to be detected.
Further, the first transmission device is configured to be movable along a Y-axis direction, and the first transmission device further includes a Y-axis driving mechanism for driving the X-axis driving mechanism of the first transmission device to move toward or away from the second transmission device.
Further, the shell is manufactured by adopting a seamless lead welding process.
Furthermore, a display device for displaying the detection result is arranged on the machine shell.
Has the advantages that: according to the technical scheme, the materials to be detected are conveyed to the detection area on the detection platform under the action of the first conveying device and the second conveying device, and then the materials to be detected are detected through the mutual cooperation of the x-ray transmitting device and the x-ray receiving device, so that the whole operation process is very simple, convenient and time-saving, and the detection efficiency is improved; meanwhile, the x-ray receiving device is provided with a circular motion mechanism and an inclined swinging mechanism, so that the aim of multi-angle detection of the material to be detected can be fulfilled, a detected image is clearer and more visual, the defect of the sample is easier to detect, the problem of misjudgment is avoided, and the detection precision is improved; in addition, at least one of the first conveying device and the second conveying device is arranged to be movable along the Y-axis direction, so that the distance between the first conveying device and the second conveying device can be adjusted, the function of being compatible with clamping of products with different widths is achieved, and the universality is improved.
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 structures shown in the drawings without creative efforts.
FIG. 1 is a schematic diagram of an external structure of an automatic online x-ray inspection apparatus according to the present invention.
FIG. 2 is a schematic view of the internal structure of FIG. 1;
FIG. 3 is a schematic diagram of the structure of the detection platform of FIG. 2;
FIG. 4 is a schematic diagram of the x-ray transmitting device of FIG. 2;
FIGS. 5 to 6 are schematic views illustrating the assembly of the circular motion mechanism and the tilt and swing mechanism in FIG. 2;
FIG. 7 is a schematic diagram of the x-ray receiver of FIG. 2;
FIG. 8 is a schematic structural diagram of the first transfer device in FIG. 2;
FIG. 9 is a partial schematic view of the first conveyor of FIG. 8;
FIG. 10 is a schematic structural view of the material transfer mechanism of FIG. 2;
fig. 11 is a top view of fig. 10.
The reference numbers illustrate: 1-a machine shell; 10-a display device; 11-a feeding port; 2-detection platform; a 3-x-ray emitting device; 30-a bottom plate; 300-a slide rail; a 31-x-ray launching mechanism; 32-a first lifting mechanism; 320-a moving part; 321-a fixed part; 323-a conversion section; a 4-x-ray receiving device; 40-a circular motion mechanism; 400-rotating the disc; 401-a second drive; 41-a tilt swing mechanism; 410-guide fixing plate; 411-arc guide rail; 412-a third drive; 5-a first conveying device; 50-a material transfer mechanism; a 51-X axis drive mechanism; 52-Y axis drive mechanism; 500-a first fixed part; 501-a driving part; 502-a second fixation section; 503-gear portion; 504-a turning wheel portion; 505-a material blocking part; 506-a material pressing part; 5010-servo motor; 5011-speed reducer; 6-second conveying means.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture, and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" and/or "appears throughout, the meaning includes three parallel schemes, for example," A and/or B "includes scheme A, or scheme B, or a scheme satisfying both schemes A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides automatic online x-ray detection equipment and electronic equipment with the same.
As shown in fig. 1-3, in an embodiment of the present invention, the automatic online x-ray inspection apparatus 100 includes a housing 1 and an inspection device disposed in the housing, the inspection device including:
a detection platform 2;
the detection device is used for detecting the material to be detected on the conveying device in the detection area, and comprises an x-ray transmitting device 3 and an x-ray receiving device 4 which are respectively arranged on the upper part and the lower part of the detection platform 2, wherein the x-ray receiving device 4 is provided with a circular motion mechanism 40, an inclined swinging mechanism 41 connected with the circular motion mechanism 40 and an x-ray receiving mechanism 42 connected with the inclined swinging mechanism 41;
the conveying device comprises a first conveying device 5 and a second conveying device 6 which are respectively arranged at two sides of the detection platform, and the conveying devices are used for clamping and conveying the materials to be detected to the detection area;
wherein at least one of the first and second conveyors 5, 6 is arranged to be movable in the Y-axis direction; and
and the X-axis driving device 7 is used for driving the conveying device to move along the X-axis direction.
According to the technical scheme, the materials to be detected are conveyed to the detection area on the detection platform 2 under the action of the first conveying device 5 and the second conveying device 6, and then the materials to be detected are detected through the mutual matching of the x-ray transmitting device 3 and the x-ray receiving device 4, so that the whole operation process is very simple, convenient and time-saving, and the detection efficiency is improved; meanwhile, the x-ray receiving device 4 is provided with the circular motion mechanism 40 and the inclined swinging mechanism 41, so that the aim of performing multi-angle detection on the material to be detected can be fulfilled, a detected image is clearer and more intuitive, the defects of a sample can be detected more easily, the problem of erroneous judgment is avoided, and the detection precision is improved; in addition, at least one of the first conveying device 5 and the second conveying device 6 is arranged to be movable along the Y-axis direction, so that the distance between the first conveying device 5 and the second conveying device 6 can be adjusted, the function of being compatible with clamping of products with different widths is achieved, and the universality is improved.
In the present embodiment, as shown in fig. 1, the casing 1 is manufactured by a seamless lead welding process, so as to ensure high safety of the equipment. The casing 1 is provided with a display device 10, a feeding port 11 and a discharging port, and the display device 10 can display a detection result.
The automatic online x-ray detection equipment 100 is an online detection machine which is guided into a production line to work, after materials to be detected are conveyed to a feeding port 11 from the previous working procedure, the materials to be detected are connected in by a conveying device of the automatic online x-ray detection equipment 100, and then the materials to be detected are conveyed to a designated position (referred to as a detection area) to be detected by a first conveying device 5 and a second conveying device 6; after receiving the signal, the material inlet 11 and the material outlet of the automatic online x-ray detection device 100 are closed, and the detection device is immediately moved to the position of the set parameter and then opened to perform image taking detection and judgment on the material to be detected.
Specifically, as shown in fig. 4, the X-ray emitting device 3 includes a base plate 30, an X-ray emitting mechanism 31, and a first elevating mechanism 32, which are arranged parallel to the X-axis direction; the first lifting mechanism 32 is movably mounted on the bottom plate 30, and the first lifting mechanism 32 is configured to drive the x-ray emitting mechanism 31 to move along the Z-axis direction.
In the present embodiment, the first lifting mechanism 32 includes a moving unit 320, a fixed unit 321, a first driving unit 322, and a converting unit 323: the moving part 320 is movably installed on the base plate 30; the fixed portion 321 is disposed above the moving portion 320; the first driving part is mounted on the fixing part 321; the conversion part 323 is used to convert the rotation of the first driving part 322 into the linear motion of the x-ray shooting mechanism 31 in the Z-axis direction. Illustratively, a slide rail 300 is disposed on the bottom plate 30 shown in fig. 1, the moving part 320 is slidably connected to the slide rail 300 through a slider, the first driving part is a servo motor, the converting part 323 includes a synchronous belt and a lead screw, the servo motor, the synchronous belt and the lead screw are sequentially connected, and the x-ray emitting mechanism 31 is slidably connected to the lead screw through a lead screw slider, so as to achieve the lifting of the x-ray emitting mechanism 31.
Specifically, as shown in fig. 5 and 6, the circular motion mechanism 40 includes a rotating disc 400, a second driving portion 401 for driving the rotating disc 400 to rotate clockwise or counterclockwise, and a connecting portion 402 disposed at the lower end of the rotating disc 400, and the connecting portion is connected to the tilt swing mechanism 41, wherein the rotating disc 400 is a worm wheel and worm turntable, and the second driving portion 401 includes a servo motor and a speed reducer, and the servo motor drives the speed reducer to drive the worm wheel and worm turntable to rotate.
In the present embodiment, the tilt swing mechanism 41 includes a rail fixing plate 410 connected to the connecting portion 402, an arc-shaped rail 411 mounted on the rail fixing plate 410, and a third driving portion 412 for driving the x-ray receiving mechanism 42 to move along the arc-shaped rail 411. The third driving part 412 comprises a servo motor, a speed reducer and a synchronous belt, wherein the servo motor drives the speed reducer to enable the x-ray receiving mechanism 42 to move along the arc-shaped guide rail 411 through the reaction force of the synchronous belt; thereby realizing the vertical swing of the flat plate of the x-ray receiving mechanism 42.
Further, the connecting portion 402 is connected with a weight plate 403, which is beneficial to ensuring the installation stability of the tilt mechanism 41 and the x-ray receiving mechanism 42.
In this embodiment, as shown in fig. 7, the x-ray receiving mechanism 42 includes a lifting assembly 420 installed in the arc-shaped guide rail 411, a flat fixing plate 421 and a flat panel detector 422 installed on the flat fixing plate 421, the lifting assembly 420 is configured to drive the flat fixing plate 421 to move along the Z-axis direction, wherein the lifting assembly 420 includes a mounting plate 4200, a servo motor, a belt and a screw rod, a slide rail is disposed on the mounting plate 421, and the flat fixing plate is slidably connected to the slide rail through a slider. The belt is driven by the servo motor to drive the screw rod to rotate, so that the flat plate fixing plate 421 moves up and down on the slide rail, and the lifting of the flat plate detector 422 is realized.
As shown in fig. 10, in the present embodiment, each of the first transmission device 5 and the second transmission device 6 includes a material conveying mechanism 50 and an X-axis driving mechanism 51 for driving the material conveying mechanism 50 to move along the X-axis direction, the material conveying mechanism 50 includes a first fixing portion 500, a driving portion 501 disposed on the first fixing portion 500, a second fixing portion 502, a plurality of gear portions 503 disposed on the second fixing portion 502 and engaged with each other, a plurality of rotating wheel portions 504 connected to the gear portions 503 in a transmission manner, a material blocking portion 505, and a material pressing portion 506, the driving portion 501 is configured to drive the gear portions 503 to rotate, the rotating wheel portions 504 located at the end portions are in a convex shape, and the rotating wheel portions 504 have step portions for lifting up the material to be detected; the material blocking portion 505 is used for blocking the material to be detected so as to limit the material to be detected to be separated from the rotating wheel portion 504.
According to the material conveying mechanism 50 provided by the embodiment, the driving portion 501 drives the plurality of gear portions 503 to rotate, the gear portions 503 drive the rotating wheel portions 504 to rotate, and materials to be detected are conveyed to the preset positions; meanwhile, the overlap with the material to be detected is small, so that the photographing and the drawing taking are convenient, and the material to be detected can not be damaged by clamping.
More specifically, the driving portion 501 includes a driving motor 5010 and a speed reducer 5011, the gear 503 is provided with a gear shaft, the rotating wheel portion 504 is mounted on the gear shaft, and the pressing portion 506 includes a pressing cylinder and a pressing plate, and in addition, a pressing surface of the pressing plate may be made of a flexible material, which is beneficial to preventing the material 2 to be detected from being worn. The process of the material conveying mechanism 50 is that the servo motor 5020 drives the gear part 503 and the rotating wheel part 504, the material to be detected is conveyed to the material blocking part 505, the material blocking part 505 is a material blocking cylinder, and then the material pressing cylinder is pulled down to enable the material pressing plate to press the material.
More specifically, as shown in fig. 8 and 9, the X-axis driving mechanism 51 includes a driving motor 510, a first timing belt 511 and a second timing belt 512, and the driving motor 510 drives the large timing belt 511 to drive the second timing belt 512 to rotate, so as to drive the first transmission device 5 to move back and forth along the X-axis.
As shown in fig. 11, according to some embodiments of the present invention, the gear portion 503 includes a first gear 5030 and a second gear 5031 alternately arranged, and the gear center of the first gear 5030 and the gear center of the second gear 5031 are not located on the same horizontal line, so that the purpose of this arrangement is to save more installation space and make the structure more compact.
In addition, a cover plate is arranged above the gear part 503, and the cover plate can completely cover all the gear parts 503 so as to prevent dust or slag from falling into the gear parts 503 and being blocked.
In this embodiment, since the first transmission device 5 is configured to be movable along the Y-axis direction, and the second transmission device 6 is configured to be incapable of moving along the Y-axis direction, the first transmission device 5 further includes a Y-axis driving mechanism (not shown), and the Y-axis driving mechanism is configured to drive the X-axis driving mechanism 51 of the first transmission device 5 to move close to or away from the second transmission device 6, which is beneficial to adjusting the distance between the first transmission device 5 and the second transmission device 6, so as to achieve the function of being compatible with product clamping with different widths.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. An automatic online x-ray check out test set, includes the casing and sets up in detection device in the casing, its characterized in that, detection device includes:
a detection platform;
the detection device is used for detecting the materials to be detected on the conveying device in a detection area and comprises an x-ray transmitting device and an x-ray receiving device which are respectively arranged on the upper part and the lower part of the detection platform, and the x-ray receiving device is provided with a circular motion mechanism, an inclined swinging mechanism connected with the circular motion mechanism and an x-ray receiving mechanism connected with the inclined swinging mechanism;
the conveying device comprises a first conveying device and a second conveying device which are respectively arranged on two sides of the detection platform, and the conveying devices are used for clamping and conveying the materials to be detected to the detection area;
wherein at least one of the first and second conveyors is arranged to be movable in a Y-axis direction; and
and the X-axis driving device is used for driving the conveying device to move along the X-axis direction.
2. An automatic on-line x-ray detection apparatus according to claim 1, wherein the x-ray transmitting device comprises:
a base plate disposed parallel to the X-axis direction;
an x-ray launching mechanism;
and the first lifting mechanism is movably arranged on the bottom plate and is used for driving the x-ray emission mechanism to move along the Z-axis direction.
3. An automated online x-ray inspection apparatus according to claim 2, wherein the first lifting mechanism comprises:
a moving part movably mounted on the bottom plate;
the fixed part is arranged above the moving part;
a first driving part mounted on the fixing part;
and the conversion part is used for converting the rotation of the first driving part into the linear motion of the x-ray emission mechanism along the Z-axis direction.
4. An automated online x-ray inspection apparatus according to claim 1, wherein the circular motion mechanism comprises:
rotating the disc;
the second driving part is used for driving the rotating disc to rotate clockwise or anticlockwise;
and the connecting part is arranged at the lower end of the rotating disc and is connected with the inclined swinging mechanism.
5. An automated online x-ray inspection apparatus according to claim 4, wherein the tilt mechanism comprises:
the guide rail fixing plate is connected with the connecting part;
the arc-shaped guide rail is arranged on the guide rail fixing plate;
and the third driving part is used for driving the x-ray receiving mechanism to move along the arc-shaped guide rail.
6. An automated online x-ray inspection apparatus according to claim 4, wherein a weight plate is connected to the connection portion.
7. The automatic on-line X-ray inspection apparatus of claim 1, wherein the first and second actuators each comprise a material transfer mechanism and an X-axis drive mechanism for moving the material transfer mechanism in an X-axis direction, the material transfer mechanism comprising:
a first fixed part;
a driving part arranged on the first fixing part;
a second fixed part;
a plurality of intermeshing gear portions provided on the second fixing portion;
a plurality of rotating wheel parts in transmission connection with the gear parts;
the material blocking part is arranged on the gear fixing plate; and
the pressing part is used for pressing the material to be detected;
the driving part is used for driving the gear part at the end part to rotate; the rotating wheel part is in a convex shape and is provided with a step part used for lifting the material to be detected.
8. The apparatus of claim 7, wherein the first transmission is configured to move along a Y-axis direction, and the first transmission further comprises a Y-axis driving mechanism for driving the X-axis driving mechanism of the first transmission to move closer to or away from the second transmission.
9. The automated on-line x-ray inspection apparatus of claim 1, wherein the housing is formed using a seamless lead bonding process.
10. An automatic on-line x-ray inspection apparatus as claimed in claim 9, wherein a display device is provided on the housing for displaying the inspection result.
CN202111612704.0A 2021-12-27 2021-12-27 Automatic online x-ray check out test set Pending CN114264677A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111612704.0A CN114264677A (en) 2021-12-27 2021-12-27 Automatic online x-ray check out test set

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Application Number Priority Date Filing Date Title
CN202111612704.0A CN114264677A (en) 2021-12-27 2021-12-27 Automatic online x-ray check out test set

Publications (1)

Publication Number Publication Date
CN114264677A true CN114264677A (en) 2022-04-01

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105292580A (en) * 2015-10-29 2016-02-03 红塔烟草(集团)有限责任公司 Multi-step type cigarette bar collecting device and method and cigarette bar transferring system in cigarette transferring
CN112666179A (en) * 2020-12-11 2021-04-16 湖北中纬幸和自动化设备科技有限公司 Conveying positioner based on AOI detector
CN112782200A (en) * 2021-03-10 2021-05-11 深圳市卓茂科技有限公司 Full-automatic 3D check out test set based on x-ray
CN213163670U (en) * 2020-09-27 2021-05-11 江苏昆华智能科技有限公司 High-efficient double-end laser marking machine
CN112903726A (en) * 2021-02-26 2021-06-04 深圳市卓茂科技有限公司 Full-automatic x-ray check out test set
CN215045960U (en) * 2021-05-31 2021-12-07 湖北中纬幸和自动化设备科技有限公司 Conveying and fixing device for PCB

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105292580A (en) * 2015-10-29 2016-02-03 红塔烟草(集团)有限责任公司 Multi-step type cigarette bar collecting device and method and cigarette bar transferring system in cigarette transferring
CN213163670U (en) * 2020-09-27 2021-05-11 江苏昆华智能科技有限公司 High-efficient double-end laser marking machine
CN112666179A (en) * 2020-12-11 2021-04-16 湖北中纬幸和自动化设备科技有限公司 Conveying positioner based on AOI detector
CN112903726A (en) * 2021-02-26 2021-06-04 深圳市卓茂科技有限公司 Full-automatic x-ray check out test set
CN112782200A (en) * 2021-03-10 2021-05-11 深圳市卓茂科技有限公司 Full-automatic 3D check out test set based on x-ray
CN215045960U (en) * 2021-05-31 2021-12-07 湖北中纬幸和自动化设备科技有限公司 Conveying and fixing device for PCB

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