CN111983027A - Ultrasonic detection instrument for electronic products - Google Patents
Ultrasonic detection instrument for electronic products Download PDFInfo
- Publication number
- CN111983027A CN111983027A CN202011004379.5A CN202011004379A CN111983027A CN 111983027 A CN111983027 A CN 111983027A CN 202011004379 A CN202011004379 A CN 202011004379A CN 111983027 A CN111983027 A CN 111983027A
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- cavity
- fixedly connected
- plate
- right end
- end wall
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/275—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving both the sensor and the material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Acoustics & Sound (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention discloses an ultrasonic detection instrument for electronic products, which comprises a casing, wherein a detection cavity with left and right end openings is arranged in the casing, a rotating cavity is arranged in the upper end wall of the detection cavity, four symmetrical moving cavities are arranged in the left and right end walls of the rotating cavity, a lifting cavity is arranged in one end wall of the moving cavity, which is far away from the rotating cavity, an oil tank is arranged in the casing, a middle cavity is arranged in the right end wall of the oil tank, a driving cavity is arranged in the right end wall of the rotating cavity, a moving plate is arranged in the detection cavity, the moving plate can fix the electronic products, a fixed block is arranged in the rotating cavity, an ultrasonic detection head is arranged in the fixed block, the ultrasonic detection head can carry out ultrasonic detection on the electronic products, the right end wall of the driving cavity is fixedly connected with a.
Description
Technical Field
The invention relates to the field of electronic product detection, in particular to an ultrasonic detection instrument for an electronic product.
Background
The ultrasonic wave vibration frequency exceeds the upper limit of human ear hearing, people call the inaudible sound wave as ultrasonic wave, the sound wave can be transmitted in an elastic medium in a longitudinal wave mode generally, and the ultrasonic wave detection instrument is characterized in that the ultrasonic wave ultrasonic.
Disclosure of Invention
In order to solve the problems, the ultrasonic detection instrument for the electronic product is designed in the embodiment, and comprises a shell, wherein a detection cavity with an opening at the left end and the right end is arranged in the shell, a rotary cavity is arranged in the upper end wall of the detection cavity, four symmetrical moving cavities are arranged in the left end wall and the right end wall of the rotary cavity, a lifting cavity is arranged in one end wall of the moving cavity far away from the rotary cavity, an oil tank is arranged in the shell, an intermediate cavity is arranged in the right end wall of the oil tank, a translation cavity is arranged in the right end wall of the intermediate cavity, a driving cavity is arranged in the right end wall of the rotary cavity, a control cavity is arranged in the right end wall of the driving cavity, moving mechanisms are arranged among the oil tank, the intermediate cavity, the translation cavity, the lifting cavity and the moving cavities, a detection marking mechanism is arranged between the rotary cavities, and, the moving mechanism includes detect the motion board that the intracavity was equipped with, the motion board can be fixed electronic product, it includes to detect marking mechanism the fixed block that the rotatory intracavity was equipped with, be equipped with the ultrasonic detection head in the fixed block, the ultrasonic detection head can carry out ultrasonic detection to electronic product, drive mechanism includes drive chamber right-hand member wall fixed connection's driving motor, driving motor can provide power for the device.
Preferably, the moving mechanism comprises a hydraulic pump arranged at the communication position of the oil tank and the middle cavity, a blocking plate is arranged in the middle cavity, the right end face of the blocking plate is fixedly connected with a traction rod, the right end of the traction rod is positioned in the translation cavity, the right end face of the traction rod is highly connected with a magnetic plate, the right end wall of the translation cavity is fixedly connected with a blocking electromagnet, the left end face of the magnetic plate is communicated with the translation cavity and is provided with a traction spring, two reversing valves are arranged in the casing, the reversing valve on the left side is communicated with the lower end wall on the left side of the middle cavity, the reversing valve on the right side is communicated with the lower end wall on the right side of the middle cavity, a lifting plate is connected in the lifting cavity in a sliding manner, the lifting plate is fixedly connected with a lifting rod, the other end of the lifting plate, the movable detection device is characterized in that a movable plate is arranged in the movable cavity, a fixed plate is connected in the movable plate in a sliding mode, the other end of the fixed plate is fixedly connected with a movable rod in the detection cavity, and the movable rod is fixedly connected with the movable plate.
Preferably, the detection marking mechanism comprises a rotary disc arranged in the rotary cavity, the rotary disc is fixedly connected with a rotary wheel, a liquid storage cavity is formed in the rotary disc, two limiting cavities which are symmetrical up and down are formed in the rotary disc, limiting plates are connected in the limiting cavities in a sliding mode and are fixedly connected with connecting rods, the connecting rods are fixedly connected with the fixed block and the lower side, the marking plates are fixedly connected with the connecting rods, an annular cavity is formed in the wall of the right end of the rotary cavity, the right end of the rotary disc is rotatably connected with a rotating pin, the other end of the rotating pin is located in the annular cavity, an arc-shaped block is fixedly connected to the right end face of the rotating pin, and a liquid storage cavity.
Preferably, drive mechanism includes the drive shaft that driving motor power is connected, drive shaft right-hand member fixedly connected with drive friction pulley, drive chamber right-hand member wall rotates and is connected with the axis of rotation, axis of rotation left end fixedly connected with the rotation wheel of swiveling wheel meshing, axis of rotation right-hand member sliding connection has the removal friction pulley, be equipped with the translation board in the control chamber, translation board left end sliding connection has the other end to be located two translation poles in the ring channel, translation pole left end fixedly connected with arc, translation board left end fixedly connected with other end with movable plate right-hand member face fixed connection's removal rope, control chamber right-hand member wall is equipped with the electro-magnet.
Preferably, the buffer plate can buffer to prevent the electronic product from being damaged.
The invention has the beneficial effects that: the ultrasonic detection head is arranged, so that the inner side of the electronic product can be detected, the structure capable of driving the ultrasonic detection head to rotate is arranged, the detection of one circle of the electronic product is realized, and errors caused by the shape of the electronic product are prevented.
Drawings
In order to more clearly illustrate the embodiments of the 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, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
The invention is further explained below with reference to the figures and examples;
FIG. 1 is a schematic diagram of an overall structure of an ultrasonic testing apparatus for electronic products according to the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of the structure at B in FIG. 1 according to an embodiment of the present invention;
FIG. 4 is an enlarged view of the structure at C in FIG. 1 according to an embodiment of the present invention.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The ultrasonic detection instrument for the electronic product comprises a machine shell 10, wherein a detection cavity 62 with an opening at the left end and the right end is arranged in the machine shell 10, a rotating cavity 26 is arranged in the upper end wall of the detection cavity 62, four symmetrical moving cavities 18 are arranged in the left end wall and the right end wall of the rotating cavity 26, a lifting cavity 15 is arranged in one end wall of the moving cavity 18 far away from the rotating cavity 26, an oil tank 23 is arranged in the machine shell 10, a middle cavity 36 is arranged in the right end wall of the oil tank 23, a translation cavity 39 is arranged in the right end wall of the middle cavity 36, a driving cavity 63 is arranged in the right end wall of the rotating cavity 26, a control cavity 24 is arranged in the right end wall of the driving cavity 63, a moving mechanism 70 is arranged among the oil tank 23, the middle cavity 36, the translation cavity 39, the lifting cavity 15 and the moving cavity 18, a detection marking mechanism 71 is arranged between the rotating cavities 26, and, moving mechanism 70 includes the motion board 16 that is equipped with in the detection chamber 62, motion board 16 can fix the electronic product, it includes to detect marker mechanism 71 fixed block 27 that is equipped with in the rotatory chamber 26, be equipped with ultrasonic detection head 28 in the fixed block 27, ultrasonic detection head 28 can carry out ultrasonic detection to the electronic product, drive mechanism 72 includes drive chamber 63 right-hand member wall fixed connection's driving motor 59, driving motor 59 can provide power for the device.
Beneficially, the moving mechanism 70 includes a hydraulic pump 34 disposed at a communication position between the oil tank 23 and the intermediate cavity 36, a blocking plate 35 is disposed in the intermediate cavity 36, a right end face of the blocking plate 35 is fixedly connected with a traction rod 37 whose right end is located in the translation cavity 39, a right end face of the traction rod 37 is highly connected with a magnetic plate 41, a right end wall of the translation cavity 39 is fixedly connected with a blocking electromagnet 40, a left end face of the magnetic plate 41 is communicated with the translation cavity 39 and is provided with a traction spring 38, two reversing valves 33 are disposed in the casing 10, the left side reversing valve 33 is communicated with a left lower end wall of the intermediate cavity 36, the right side reversing valve 33 is communicated with a right lower end wall of the intermediate cavity 36, a lifting plate 12 is slidably connected in the lifting cavity 15, the lifting plate 12 is fixedly connected with a lifting rod 13 whose other end is located in the detection cavity 62, the lifting rod 13 is fixedly, the lifting cavity 15 and the reversing valve 33 are communicated with each other to form a connecting pipeline 11, a moving plate 22 is arranged in the moving cavity 18, a fixing plate 64 is connected in the moving plate 22 in a sliding mode, the other end of the fixing plate 64 is fixedly connected with a moving rod 19 in the detection cavity 62, and the moving rod 19 is fixedly connected with the moving plate 16.
Beneficially, the detection marking mechanism 71 includes a rotating disk 29 arranged in the rotating cavity 26, a rotating wheel 46 is fixedly connected to the rotating disk 29, a liquid storage cavity 48 is arranged in the rotating disk 29, two vertically symmetrical limiting cavities 30 are arranged in the rotating disk 29, a limiting plate 44 is slidably connected in the limiting cavity 30, a connecting rod 31 is fixedly connected to the limiting plate 44, the connecting rod 31 at the upper side is fixedly connected with the fixed block 27, the connecting rod 31 at the lower side is fixedly connected with a marking plate 65, an annular cavity 51 is arranged in the wall of the right end of the rotating cavity 26, a rotating pin 52 with the other end located in the annular cavity 51 is rotatably connected to the right end of the rotating disk 29, an arc-shaped block 49 is fixedly connected to the right end face of the rotating pin 52, and a liquid discharge pump 45 is arranged at.
Advantageously, the transmission mechanism 72 includes a driving shaft 57 to which the driving motor 59 is power connected, a driving friction wheel 58 is fixedly connected to the right end of the driving shaft 57, a rotating shaft 47 is rotatably connected to the right end wall of the driving chamber 63, a rotating wheel 43 engaged with the rotating wheel 46 is fixedly connected to the left end of the rotating shaft 47, a moving friction wheel 55 is slidably connected to the right end of the rotating shaft 47, a translation plate 60 is arranged in the control chamber 24, two translation rods 56 are slidably connected to the left end of the translation plate 60, the other end of each translation rod 56 is located in the annular groove 53, an arc plate 54 is fixedly connected to the left end of each translation rod 56, a moving rope 20 is fixedly connected to the left end of the translation plate 60, and an electromagnet 25 is arranged on the right end wall.
Advantageously, the buffer plate 17 can buffer the electronic product from damage.
The use steps herein are described in detail below with reference to fig. 1-4:
in the initial state, the ultrasonic detection head 28 is located at the highest side, the moving plate 16 is farthest away from the buffer plate 17, the oil tank 23 and the cavity capable of being communicated with the oil tank 23 are filled with hydraulic oil, the return spring 14 is in a relaxed state, the traction spring 38 is in a relaxed state, the middle cavity 36 is communicated with the left reversing valve 33, and the blocking plate 35 is located at the rightmost side.
When the electronic product is detected, the electronic product is placed in the left side of the detection cavity 62, the hydraulic pump 34 is started to discharge liquid, so that the liquid enters the reversing valve 33 on the left side, so that the liquid enters the fixed cavity 21 on the left side through the communication pipeline 42, the fixed plate 64 on the left side, the movable rod 19 and the movable plate 16 on the left side fixed on the movable rod 19 are driven to move relative to the buffer plate 17 on the left side, so that the electronic product is fixed, at the moment, the hydraulic pump 45 is started to discharge liquid according to the relative movement amount of the buffer plate 17, so that the limiting plate 44 and the connecting rod 31 are pushed to move relative to each other, the relative movement amount of the connecting rod 31 is equal to the relative movement amount of the buffer plate 17, at the moment, the electromagnet 25 is started to attract the translation plate 60 to move rightwards, so that the movable rope 20 is pulled to drive the, at this time, the reversing valve 33 is started to enable the reversing valve 33 to be communicated with the connecting pipeline 11, the hydraulic pump 34 is started to discharge liquid, so that the liquid enters the reversing valve 33 on the left side, and the electronic product is fixed by driving the lifting plate 12 on the left side, the lifting rod 13 and the moving plate 16 fixed on the lifting rod 13 on the left side and the buffer plate 17 to move relatively, meanwhile, the translation plate 60 moves rightwards to drive the translation rod 56, the arc plate 54 and the moving friction wheel 55 to move rightwards, so that the moving friction wheel 55 is meshed with the driving friction wheel 58, at this time, the driving motor 59 is started to output power, so as to drive the driving friction wheel 58 to rotate, so as to drive the moving friction wheel 55 to rotate, so as to drive the rotating shaft 47 to rotate, so as to drive the rotating wheel 43 to rotate, so as to drive the rotating wheel 46 to rotate, if the detection result is no problem, the ultrasonic detection head 28 normally rotates for one circle and stops rotating, if the problem is detected, the liquid discharge pump 45 is started to discharge liquid to drive the marking plate 65 to move to contact with the electronic product, at the moment, the ultrasonic detection head 28 does not contact with the electronic product, the marking plate 65 contacts with the electronic product to mark the electronic product, then the ultrasonic detection head 28 also stops rotating after rotating for one circle, and the liquid discharge pump 45 is started reversely to enable the marking plate 65 not to contact with the electronic product any more;
then the left direction changing valve 33 is started to make the left direction changing valve 33 communicate with the left direction communicating pipe 42, the left hydraulic pump 34 starts sucking liquid reversely, thereby bringing the left fixed plate 64 and the left movable rod 19 and the fixed left buffer plate 17 and the left movable plate 16 back to the initial position, the electromagnet 25 is closed, the movable plate 22 returns to the initial position under the elastic force of the return spring 14, at this time, the hydraulic pump 34 is started to discharge liquid, thereby entering the left direction changing valve 33, thereby entering the left fixed chamber 21 through the communicating pipe 42, and bringing the left fixed plate 64, the movable rod 19 and the fixed movable plate 16 on the left movable rod 19 and the buffer plate 17 to move relatively, thereby fixing the electronic product, the left direction changing valve 33 is started to make the left direction changing valve 33 communicate with the left connecting pipe 11, the hydraulic pump 34 starts sucking liquid reversely, thereby drive left lifter plate 12, lifter 13 and the fixed motion board 16 on left lifter 13 and buffer board 17 back to initial position with moving back to one section movement right and detect the electronic product, when the electronic product moves to the rightmost position and is located in the middle of two buffer boards 17 on the left and right sides, start and block electromagnet 40 and repel magnetic plate 41 and move left and compress traction spring 38, thereby drive traction bar 37 and block board 35 and move left, make middle chamber 36 and the switching-over valve 33 intercommunication on right side, repeat the above-mentioned motion, the moving part becomes the right side, thereby accomplish the holistic detection to the electronic product.
The invention has the beneficial effects that: the ultrasonic detection head is arranged, so that the inner side of the electronic product can be detected, the structure capable of driving the ultrasonic detection head to rotate is arranged, the detection of one circle of the electronic product is realized, and errors caused by the shape of the electronic product are prevented.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides an electronic product ultrasonic detection instrument, includes the casing, its characterized in that: a detection cavity with an opening at the left end and the right end is arranged in the shell, a rotation cavity is arranged in the upper end wall of the detection cavity, four symmetrical moving cavities are arranged in the left end wall and the right end wall of the rotation cavity, the moving cavity is far away from a lifting cavity arranged in one end wall of the rotation cavity, an oil tank is arranged in the shell, a middle cavity is arranged in the right end wall of the oil tank, a translation cavity is arranged in the right end wall of the middle cavity, a driving cavity is arranged in the right end wall of the rotation cavity, a control cavity is arranged in the right end wall of the driving cavity, a moving mechanism is arranged between the oil tank and the middle cavity, the translation cavity, the lifting cavity and the moving cavity, a detection marking mechanism is arranged between the rotation cavities, a transmission mechanism is arranged between the driving cavity and the control cavity, the moving mechanism comprises a moving plate arranged in the detection cavity, the moving plate can fix, be equipped with the ultrasonic detection head in the fixed block, the ultrasonic detection head can carry out ultrasonic detection to electronic product, drive mechanism includes drive chamber right-hand member wall fixed connection's driving motor, driving motor can provide power for the device.
2. An ultrasonic inspection apparatus for electronic products as claimed in claim 1, wherein: the moving mechanism comprises a hydraulic pump arranged at the communication position of the oil tank and the middle cavity, a barrier plate is arranged in the middle cavity, the right end face of the barrier plate is fixedly connected with a traction rod with the right end positioned in the translation cavity, the right end face of the traction rod is highly connected with a magnetic plate, the right end wall of the translation cavity is fixedly connected with a barrier electromagnet, the left end face of the magnetic plate is communicated with the translation cavity and is provided with a traction spring, two reversing valves are arranged in the shell, the reversing valve on the left side is communicated with the lower end wall on the left side of the middle cavity, the reversing valve on the right side is communicated with the lower end wall on the right side of the middle cavity, a lifting plate is slidably connected in the lifting cavity, the lifting plate is fixedly connected with a lifting rod with the other end positioned in the detection cavity, the lifting rod is, the movable detection device is characterized in that a movable plate is arranged in the movable cavity, a fixed plate is connected in the movable plate in a sliding mode, the other end of the fixed plate is fixedly connected with a movable rod in the detection cavity, and the movable rod is fixedly connected with the movable plate.
3. An ultrasonic inspection apparatus for electronic products according to claim 2, wherein: the detection marking mechanism comprises a rotating disk arranged in the rotating cavity, the rotating disk is fixedly connected with a rotating wheel, a liquid storage cavity is arranged in the rotating disk, two limiting cavities which are symmetrical up and down are arranged in the rotating disk, limiting plates are connected in the limiting cavities in a sliding mode, limiting plate fixedly connected with connecting rods and an upper side are fixedly connected with fixing blocks and lower sides, the connecting rods are fixedly connected with marking plates, an annular cavity is arranged in the wall of the right end of the rotating cavity, the right end of the rotating disk is rotatably connected with a rotating pin, the other end of the rotating pin is located in the annular cavity, an arc-shaped block is fixedly connected to the right end face of the rotating pin, and the liquid storage cavity.
4. An ultrasonic inspection apparatus for electronic products according to claim 2, wherein: drive mechanism includes the drive shaft that driving motor power is connected, drive shaft right-hand member fixedly connected with drive friction pulley, drive chamber right-hand member wall rotates and is connected with the axis of rotation, axis of rotation left end fixedly connected with the rotation wheel of swiveling wheel meshing, axis of rotation right-hand member sliding connection has the removal friction pulley, the control intracavity is equipped with the translation board, translation board left end sliding connection has the other end to be located two translation poles in the ring channel, translation pole left end fixedly connected with arc, translation board left end fixedly connected with the other end with movable plate right-hand member face fixed connection's removal rope, control chamber right-hand member wall is equipped with the electro-magnet.
5. An ultrasonic inspection apparatus for electronic products as claimed in claim 1, wherein: the buffer board can buffer and prevent the electronic product from being damaged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011004379.5A CN111983027A (en) | 2020-09-22 | 2020-09-22 | Ultrasonic detection instrument for electronic products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011004379.5A CN111983027A (en) | 2020-09-22 | 2020-09-22 | Ultrasonic detection instrument for electronic products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111983027A true CN111983027A (en) | 2020-11-24 |
Family
ID=73450525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011004379.5A Withdrawn CN111983027A (en) | 2020-09-22 | 2020-09-22 | Ultrasonic detection instrument for electronic products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111983027A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4375165A (en) * | 1979-06-26 | 1983-03-01 | Rontgen Technische Dienst B.V. | System for inspecting welded joints in pipe lines by means of ultrasonic waves |
| CN111289617A (en) * | 2020-04-01 | 2020-06-16 | 象山冰川智能装备有限公司 | Ultrasonic detection device |
| CN111312475A (en) * | 2020-04-21 | 2020-06-19 | 杭州彩雅电子科技有限公司 | Outdoor transformer |
| CN111570295A (en) * | 2020-05-29 | 2020-08-25 | 佛山市拓昕包装有限公司 | Express delivery screening installation |
| CN111605085A (en) * | 2020-06-04 | 2020-09-01 | 金华瑞慈科技有限公司 | Pearl conveyer that punches |
| CN111618807A (en) * | 2020-06-16 | 2020-09-04 | 王亚 | Multipurpose clamping tool for detecting new energy battery |
-
2020
- 2020-09-22 CN CN202011004379.5A patent/CN111983027A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4375165A (en) * | 1979-06-26 | 1983-03-01 | Rontgen Technische Dienst B.V. | System for inspecting welded joints in pipe lines by means of ultrasonic waves |
| CN111289617A (en) * | 2020-04-01 | 2020-06-16 | 象山冰川智能装备有限公司 | Ultrasonic detection device |
| CN111312475A (en) * | 2020-04-21 | 2020-06-19 | 杭州彩雅电子科技有限公司 | Outdoor transformer |
| CN111570295A (en) * | 2020-05-29 | 2020-08-25 | 佛山市拓昕包装有限公司 | Express delivery screening installation |
| CN111605085A (en) * | 2020-06-04 | 2020-09-01 | 金华瑞慈科技有限公司 | Pearl conveyer that punches |
| CN111618807A (en) * | 2020-06-16 | 2020-09-04 | 王亚 | Multipurpose clamping tool for detecting new energy battery |
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Application publication date: 20201124 |
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| WW01 | Invention patent application withdrawn after publication |