CN111137677A - PCB testing device and testing method - Google Patents
PCB testing device and testing method Download PDFInfo
- Publication number
- CN111137677A CN111137677A CN201911346961.7A CN201911346961A CN111137677A CN 111137677 A CN111137677 A CN 111137677A CN 201911346961 A CN201911346961 A CN 201911346961A CN 111137677 A CN111137677 A CN 111137677A
- Authority
- CN
- China
- Prior art keywords
- pcb
- fan
- rotating shaft
- air
- cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
- B65G47/91—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers
- B65G47/915—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers provided with drive systems with rotary movements only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2806—Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
- G01R31/2808—Holding, conveying or contacting devices, e.g. test adapters, edge connectors, extender boards
Abstract
The invention discloses a PCB testing device and a testing method, which comprises a mounting seat, wherein a driving device is arranged in the middle of the interior of the mounting seat, an inclined rotating shaft is arranged at the power output end of the driving device, a cavity disc is arranged in the middle of the inclined rotating shaft, a transverse pipe is fixedly communicated with one side of the cavity disc, a suction plate cover is arranged below the transverse pipe, a suction net is arranged on the lower surface of the suction plate cover, a first fan is arranged above the inclined rotating shaft, a first air inlet of the first fan is inserted into the upper end of the interior of the inclined rotating shaft, a top plate mechanism is arranged on one side of the interior of the mounting seat, a first hydraulic cylinder is arranged on one side, far away from the top plate mechanism, of the upper end of the inclined rotating shaft, a PCB to be tested is sucked by the suction plate cover, the suction plate cover rotates to a testing boss, so as to facilitate testing work, make this device can automatic feeding, it is comparatively convenient.
Description
Technical Field
The invention relates to the technical field of PCB (printed circuit board), in particular to a PCB testing device and a PCB testing method.
Background
Before the PCB is packaged, the PCB needs to be tested to ensure the quality of the PCB. The existing testing device needs manual feeding and is low in efficiency.
Disclosure of Invention
The invention aims to provide a PCB testing device and a PCB testing method, and aims to solve the problems that the testing device in the prior art needs manual feeding and is low in efficiency.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a PCB board testing arrangement, includes the mount pad, install drive arrangement in the middle of the inside of mount pad, oblique pivot is installed to drive arrangement's power take off end, the middle part of oblique pivot is provided with the cavity disc, the fixed intercommunication in one side of cavity disc has violently the pipe, violently the below of pipe is installed and is inhaled the plate cover, the lower surface mounting of inhaling the plate cover has the net of inhaling wind, the top of oblique pivot is provided with first fan, the inside upper end of oblique pivot is inserted to the first air intake of first fan, inside one side of mount pad is provided with roof mechanism, one side that roof mechanism was kept away from to the upper end of oblique pivot is installed first pneumatic cylinder, the power take off end of first pneumatic cylinder installs the test head, the upper surface of mount pad is provided with the test boss with the position that the test head corresponds.
Preferably, still include the base, the support is all installed to the upper surface both sides of base, and installs the roof-rack between the upper end of support, first fan is installed on the upper surface of last roof-rack, first pneumatic cylinder is installed on last roof-rack.
Preferably, a second fan is installed on one side, close to the test boss, of the installation seat, an air pipe is arranged on one side, close to the test boss, of the interior of the installation seat, and a second air inlet of the second fan is inserted into the interior of the air pipe.
Preferably, the upper end of the air pipe is provided with a bucket-shaped cavity, and the upper surface of the bucket-shaped cavity is provided with a screen plate.
Preferably, the driving device comprises a motor, a reduction gearbox is mounted at the power output end of the motor, a main shaft is mounted at the power output end of the reduction gearbox, and a universal joint is connected between the upper end of the main shaft and the inclined rotating shaft.
Preferably, roof mechanism includes the installation cavity, and the installation cavity is seted up in the inside below of mount pad, and the top of installation cavity is provided with and holds the chamber, and the internally mounted of installation cavity has the second pneumatic cylinder, and the piston rod of second pneumatic cylinder inserts the inside that holds the chamber, and the piston rod upper end of second pneumatic cylinder is fixed with the lifter plate.
A test method of a PCB board test device comprises the following steps:
the method comprises the following steps: stacking a PCB to be tested in the accommodating cavity;
step two: controlling the second hydraulic cylinder to extend, wherein when the second hydraulic cylinder extends upwards, the PCB can be jacked upwards by the lifting plate so as to provide the PCB for detection;
step three: the motor can drive the main shaft to rotate after being decelerated by the reduction box, the main shaft can drive the inclined rotating shaft to rotate, the inclined rotating shaft can drive the transverse pipe to rotate through the cavity disc, when the transverse pipe rotates to the upper part of the accommodating cavity, the first fan can absorb gas through the first air inlet, so that the air suction net of the suction plate cover is a negative pressure balcony, the PCB can be sucked by the air suction net, and the suction plate cover which sucks the PCB can rotate to the upper part of the test boss;
step four: the first fan stops sucking air, the second fan starts sucking air, the second fan sucks air at the screen plate into a negative pressure state through the air pipe and the bucket-shaped cavity, and the screen plate can lock the dropped PCB;
step five: the first hydraulic cylinder drives the test head to move downwards until the probe contacts the PCB for testing;
step six: and (5) manually blanking after the test is finished.
Compared with the prior art, the invention has the beneficial effects that:
1. the PCB testing device is provided with the suction plate cover, the suction plate cover can suck a PCB to be tested, the suction plate cover shell rotates, and the suction plate cover rotates to the position of the testing boss, so that the testing work is facilitated, the device can automatically feed materials, and the device is more convenient;
2. the second suction fan is arranged, so that the PCB test board can be sucked on the test boss when the second suction fan sucks air, and a clamp is not needed for positioning, so that the PCB is positioned more conveniently.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the oblique rotation shaft according to the present invention;
fig. 3 is a schematic structural diagram of the mounting base of the present invention.
In the figure: 1. a base; 2. a support; 3. a mounting seat; 4. a roof plate mechanism; 41. a mounting cavity; 42. a second hydraulic cylinder; 43. a lifting plate; 44. an accommodating chamber; 5. a suction plate cover; 51. a suction net; 6. an upper top frame; 8. a first fan; 81. a first air inlet; 9. a first hydraulic cylinder; 10. a test head; 11. testing the boss; 12. a screen plate; 13. a second fan; 131. a second air inlet; 14. an oblique rotation shaft; 141. a cavity disc; 15. a transverse tube; 16. a hopper-shaped cavity; 19. an air duct; 20. a drive device; 201. a motor; 202. a universal joint; 203. a reduction gearbox; 204. a main shaft.
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.
Referring to fig. 1, in an embodiment of the present invention, a PCB testing apparatus includes a base 1 as a base body of the entire apparatus, a mounting base 3 and an upper top frame 6 for mounting components, and a support 2 for supporting the upper top frame 6;
referring to fig. 1 and 2, a driving device 20 is installed in the middle of the inside of the mounting base 3, an oblique rotating shaft 14 is installed at a power output end of the driving device 20, the driving device 20 includes a motor 201, a reduction gearbox 203 is installed at a power output end of the motor 201, a main shaft 204 is installed at a power output end of the reduction gearbox 203, a universal joint 202 is connected between an upper end of the main shaft 204 and the oblique rotating shaft 14, the motor 201 can drive the main shaft 204 to rotate after being decelerated by the reduction gearbox 203, and the main shaft 204 can drive the oblique rotating shaft 14 to rotate;
as shown in fig. 1, a cavity disc 141 is arranged in the middle of the oblique rotating shaft 14, a transverse pipe 15 is fixedly communicated with one side of the cavity disc 141, a suction plate cover 5 is installed below the transverse pipe 15, an air suction net 51 is installed on the lower surface of the suction plate cover 5, a first fan 8 is arranged above the oblique rotating shaft 14, the first fan 8 is installed on the upper surface of the upper top frame 6, a first air inlet 81 of the first fan 8 is inserted into the upper end of the interior of the oblique rotating shaft 14, the first fan 8 can absorb air through the first air inlet 81, so that the balcony is pressed by the air suction net 51 of the suction plate cover 5, and the PCB can be sucked by the air suction net 51;
as shown in fig. 1, a top plate mechanism 4 is arranged on one side inside the mounting base 3, the top plate mechanism 4 includes a mounting cavity 41, the mounting cavity 41 is arranged below the inside of the mounting base 3, an accommodating cavity 44 is arranged above the mounting cavity 41, a second hydraulic cylinder 42 is arranged inside the mounting cavity 41, a piston rod of the second hydraulic cylinder 42 is inserted into the accommodating cavity 44, a lifting plate 43 is fixed on an upper end of a piston rod of the second hydraulic cylinder 42, a PCB board to be tested is stacked inside the accommodating cavity 44, and when the second hydraulic cylinder 42 extends upwards, the PCB board can be lifted upwards by the lifting plate 43 to provide a PCB board for testing;
referring to fig. 1 and 3, a first hydraulic cylinder 9 is installed on one side of the upper end of an inclined rotating shaft 14, which is far away from a top plate mechanism 4, the first hydraulic cylinder 9 is installed on an upper top frame 6, a testing head 10 is installed on a power output end of the first hydraulic cylinder 9, a testing boss 11 is arranged on the upper surface of a mounting seat 3, which corresponds to the testing head 10, a second fan 13 is installed on one side of the mounting seat 3, which is close to the testing boss 11, an air pipe 19 is arranged on one side of the inside of the mounting seat 3, which is close to the testing boss 11, a second air inlet 131 of the second fan 13 is inserted into the inside of the air pipe 19, a bucket-shaped cavity 16 is arranged at the upper end of the air pipe 19, a screen plate 12 is installed on the upper surface of the bucket-shaped cavity 16, when a suction plate cover 5 rotates to the screen plate 12, the first fan 8 is not used any longer, so that a PCB board falls from the suction plate cover 5, the second fan, and the mesh plate 12 may lock the dropped PCB.
A test method of a PCB board test device comprises the following steps:
the method comprises the following steps: stacking the PCB board to be tested inside the receiving cavity 44;
step two: controlling the second hydraulic cylinder to extend, and when the second hydraulic cylinder 42 extends upwards, the PCB can be jacked upwards by the lifting plate 43 to provide a PCB for detection;
step three: the motor 201 can drive the main shaft 204 to rotate after being decelerated by the reduction box 203, the main shaft 204 can drive the inclined rotating shaft 14 to rotate, the inclined rotating shaft 14 can drive the transverse pipe 15 to rotate through the cavity disc 141, when the transverse pipe 15 rotates to the upper part of the accommodating cavity 44, the first fan 8 can absorb gas through the first air inlet 81, so that the air suction net 51 of the suction plate cover 5 holds a balcony under negative pressure, the air suction net 51 can suck a PCB, and the suction plate cover 5 sucking the PCB can rotate to the upper part of the test boss 11;
step four: the first fan 8 stops sucking air, the second fan 13 starts sucking air, the second fan 13 sucks air from the screen plate 12 through the air pipe 19 and the hopper-shaped cavity 16 to be in a negative pressure state, and the screen plate 12 can lock the dropped PCB;
step five: the first hydraulic cylinder 9 drives the test head 10 to move downwards until the probe contacts the PCB for testing;
step six: and (5) manually blanking after the test is finished.
The working principle and the using process of the invention are as follows: when the device is used for testing the PCB, the PCB to be tested is stacked in the accommodating cavity 44, when the second hydraulic cylinder 42 extends upwards, the PCB can be jacked upwards by the lifting plate 43 to provide the PCB for detection, the motor 201 can drive the main shaft 204 to rotate after being decelerated by the reduction box 203, the main shaft 204 can drive the oblique rotating shaft 14 to rotate, the oblique rotating shaft 14 can drive the transverse pipe 15 to rotate through the cavity disc 141, when the transverse pipe 15 rotates to the upper part of the accommodating cavity 44, the first fan 8 can absorb gas through the first air inlet 81, so that the air suction net 51 of the suction plate cover 5 is in a negative pressure state on a balcony, the air suction net 51 can suck the PCB, the suction plate cover 5 sucking the PCB can rotate to the upper part of the testing boss 11, the first fan 8 stops sucking air, the second fan 13 starts sucking air, the second fan 13 sucks air to suck the screen 12 into a negative pressure state through the air pipe 19 and the hopper-shaped cavity 16, and then otter board 12 can be with the PCB board locking that drops, and first pneumatic cylinder 9 drives test head 10 downstream this moment, and the test is tested until the probe contacts the PCB board, artifical unloading after the test.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a PCB board testing arrangement, includes mount pad (3), its characterized in that: the testing device is characterized in that a driving device (20) is installed in the middle of the interior of the mounting seat (3), an oblique rotating shaft (14) is installed at the power output end of the driving device (20), a cavity disc (141) is arranged in the middle of the oblique rotating shaft (14), one side of the cavity disc (141) is fixedly communicated with a transverse pipe (15), a suction plate cover (5) is installed below the transverse pipe (15), an air suction net (51) is installed on the lower surface of the suction plate cover (5), a first fan (8) is arranged above the oblique rotating shaft (14), a first air inlet (1) of the first fan (8) is inserted into the upper end of the interior of the oblique rotating shaft (14), a top plate mechanism (4) is arranged on one side of the interior of the mounting seat (3), a first hydraulic cylinder (9) is installed on one side, far away from the top plate mechanism (4), of the upper end of the oblique rotating shaft (14), and a testing head (10), and a testing boss (11) is arranged at the position, corresponding to the testing head (10), of the upper surface of the mounting seat (3).
2. A PCB board testing device according to claim 1, wherein: still include base (1), support (2) are all installed to the upper surface both sides of base (1), and install roof-rack (6) between the upper end of support (2), install the upper surface at last roof-rack (6) first fan (8), first pneumatic cylinder (9) are installed on last roof-rack (6).
3. A PCB board testing device according to claim 1, wherein: a second fan (13) is installed on one side, close to the test boss (11), of the installation seat (3), an air pipe (19) is arranged on one side, close to the test boss (11), of the inside of the installation seat (3), and a second air inlet (131) of the second fan (13) is inserted into the inside of the air pipe (19).
4. A PCB board testing device according to claim 3, wherein: the upper end of the air pipe (19) is provided with a hopper-shaped cavity (16), and the upper surface of the hopper-shaped cavity (16) is provided with a screen plate (12).
5. A PCB board testing device according to claim 1, wherein: the driving device (20) comprises a motor (201), a reduction gearbox (203) is installed at the power output end of the motor (201), a main shaft (204) is installed at the power output end of the reduction gearbox (203), and a universal joint (202) is connected between the upper end of the main shaft (204) and the oblique rotating shaft (14).
6. A PCB board testing device according to claim 1, wherein: roof mechanism (4) are including installation cavity (41), and installation cavity (41) are seted up in the inside below of mount pad (3), and the top of installation cavity (41) is provided with and holds chamber (44), and the internally mounted of installation cavity (41) has second pneumatic cylinder (42), and the piston rod of second pneumatic cylinder (42) inserts the inside that holds chamber (44), and the piston rod upper end of second pneumatic cylinder (42) is fixed with lifter plate (43).
7. The testing method of the PCB board testing device according to claim 1, wherein: the method comprises the following steps:
the method comprises the following steps: stacking a PCB to be tested inside the accommodating cavity (44);
step two: controlling the second hydraulic cylinder to extend, wherein when the second hydraulic cylinder (42) extends upwards, the PCB can be jacked upwards by the lifting plate (43) to provide the PCB for detection;
step three: the motor (201) can drive the main shaft (204) to rotate after being decelerated by the reduction box (203), the main shaft (204) can drive the oblique rotating shaft (14) to rotate, the oblique rotating shaft (14) can drive the transverse pipe (15) to rotate through the cavity disc (141), when the transverse pipe (15) rotates to the upper part of the accommodating cavity (44), the first fan (8) can absorb gas through the first air inlet (81), so that the air suction net (51) of the suction plate cover (5) is used for pressing the balcony under negative pressure, the air suction net (51) can suck the PCB, and the suction plate cover (5) sucking the PCB can rotate to the upper part of the test boss (11);
step four: the first fan (8) stops sucking air, the second fan (13) starts sucking air, the second fan (13) sucks air from the screen plate (12) through the air pipe (19) and the bucket-shaped cavity (16) to be in a negative pressure state, and then the screen plate (12) can lock the dropped PCB;
step five: the first hydraulic cylinder (9) drives the test head (10) to move downwards until the probe contacts the PCB for testing;
step six: and (5) manually blanking after the test is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911346961.7A CN111137677A (en) | 2019-12-24 | 2019-12-24 | PCB testing device and testing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911346961.7A CN111137677A (en) | 2019-12-24 | 2019-12-24 | PCB testing device and testing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111137677A true CN111137677A (en) | 2020-05-12 |
Family
ID=70519715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911346961.7A Pending CN111137677A (en) | 2019-12-24 | 2019-12-24 | PCB testing device and testing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111137677A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201058765Y (en) * | 2007-06-01 | 2008-05-14 | 深圳市大族激光科技股份有限公司 | Material pushing device |
| CN206502357U (en) * | 2017-03-03 | 2017-09-19 | 惠州市德赛西威汽车电子股份有限公司 | A kind of automatic loading and unloading device |
| CN206720310U (en) * | 2016-12-30 | 2017-12-08 | 淄博鑫旭电源科技有限公司 | Suction type grid transshipment acitivity |
| CN107487629A (en) * | 2017-08-25 | 2017-12-19 | 深圳市哈德胜精密科技股份有限公司 | A kind of full-automatic grenadine make-up machine |
| CN207986151U (en) * | 2018-01-12 | 2018-10-19 | 嵊州市东浩电子科技有限公司 | A kind of light guide plate detection sorting blanking device |
| CN109013364A (en) * | 2018-08-17 | 2018-12-18 | 上海玉嵩机器人技术有限公司 | A kind of pcb board automatic defect detecting device |
| CN109533962A (en) * | 2018-12-24 | 2019-03-29 | 广州洋泰金属制品有限公司 | A kind of automatic charging device of triangle foot prop |
| CN109701883A (en) * | 2019-01-18 | 2019-05-03 | 上海克来机电自动化工程股份有限公司 | A kind of handling equipment |
| CN208979853U (en) * | 2018-09-07 | 2019-06-14 | 深圳市中科誉明机器人有限公司 | One kind being used for high-precision chip sorption separating mechanism |
| CN209349076U (en) * | 2018-12-12 | 2019-09-06 | 广东汇博机器人技术有限公司 | A kind of comprehensive survey production line for PCBA board |
| CN209536244U (en) * | 2019-01-21 | 2019-10-25 | 珠海康恒电子设备有限公司 | ICT automatic loading and unloading system |
-
2019
- 2019-12-24 CN CN201911346961.7A patent/CN111137677A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201058765Y (en) * | 2007-06-01 | 2008-05-14 | 深圳市大族激光科技股份有限公司 | Material pushing device |
| CN206720310U (en) * | 2016-12-30 | 2017-12-08 | 淄博鑫旭电源科技有限公司 | Suction type grid transshipment acitivity |
| CN206502357U (en) * | 2017-03-03 | 2017-09-19 | 惠州市德赛西威汽车电子股份有限公司 | A kind of automatic loading and unloading device |
| CN107487629A (en) * | 2017-08-25 | 2017-12-19 | 深圳市哈德胜精密科技股份有限公司 | A kind of full-automatic grenadine make-up machine |
| CN207986151U (en) * | 2018-01-12 | 2018-10-19 | 嵊州市东浩电子科技有限公司 | A kind of light guide plate detection sorting blanking device |
| CN109013364A (en) * | 2018-08-17 | 2018-12-18 | 上海玉嵩机器人技术有限公司 | A kind of pcb board automatic defect detecting device |
| CN208979853U (en) * | 2018-09-07 | 2019-06-14 | 深圳市中科誉明机器人有限公司 | One kind being used for high-precision chip sorption separating mechanism |
| CN209349076U (en) * | 2018-12-12 | 2019-09-06 | 广东汇博机器人技术有限公司 | A kind of comprehensive survey production line for PCBA board |
| CN109533962A (en) * | 2018-12-24 | 2019-03-29 | 广州洋泰金属制品有限公司 | A kind of automatic charging device of triangle foot prop |
| CN109701883A (en) * | 2019-01-18 | 2019-05-03 | 上海克来机电自动化工程股份有限公司 | A kind of handling equipment |
| CN209536244U (en) * | 2019-01-21 | 2019-10-25 | 珠海康恒电子设备有限公司 | ICT automatic loading and unloading system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211838713U (en) | Rotary spraying device of injection molding | |
| CN216186346U (en) | Film pasting device for lens production | |
| CN111137677A (en) | PCB testing device and testing method | |
| CN114228306A (en) | Ventilated membrane stripping mechanism | |
| CN211759059U (en) | Circuit board welding device | |
| CN218133746U (en) | Chip bearing mold blowing cleaning device | |
| CN211763488U (en) | Laminating machine for producing electronic products | |
| CN216115953U (en) | Test equipment is used in production of fan blade | |
| CN211106477U (en) | Paper note leveling device for accountants | |
| CN114152997A (en) | Device and method for detecting iron scrap residues in turbine flange groove | |
| CN211712079U (en) | Suction plate structure of artificial board sander | |
| CN210557936U (en) | Electronic component suction device | |
| CN212093305U (en) | Rotor assembly defective product detection device | |
| CN215188132U (en) | A paster material feeding unit for SMT chip mounter | |
| CN219676087U (en) | Test fixture of aluminium electrolytic capacitor | |
| CN219985684U (en) | Dust extraction cover device | |
| CN218464946U (en) | Quick loading attachment | |
| CN218301795U (en) | Paster device for integrated circuit processing | |
| CN219752420U (en) | Optical glass coating clamp | |
| CN215836007U (en) | Tobacco leaf picking and classifying vehicle | |
| CN117183564A (en) | Shaping, positioning and manufacturing equipment for flexible thin-wall silk screen roller | |
| CN220160611U (en) | Cell-phone screen laminating detection device | |
| CN220196503U (en) | Head cutting device | |
| CN216659252U (en) | Workbench for soldering paste printer | |
| CN217033451U (en) | Strength testing device of panel for construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200512 |
|
| RJ01 | Rejection of invention patent application after publication |