CN114740335A - Automatic PCB testing arrangement - Google Patents
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- CN114740335A CN114740335A CN202210454287.XA CN202210454287A CN114740335A CN 114740335 A CN114740335 A CN 114740335A CN 202210454287 A CN202210454287 A CN 202210454287A CN 114740335 A CN114740335 A CN 114740335A
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- 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
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Abstract
The invention discloses an automatic PCB testing device, which adopts the technical scheme that the device comprises a support plate drawer module, a jig upper pressure plate template arranged above the support plate drawer module, a jig lower needle plate template arranged below the support plate drawer module, a steering assembly, a first linear driving device arranged horizontally and a middle plate frame, wherein the guide plate lower needle plate template is arranged above the support plate drawer module; according to the invention, the horizontal driving force of the first linear driving device is converted into the driving force for the vertical direction of the jig upper pressing plate template through the steering assembly, so that the probe on the jig lower needle plate template can pass through the jig support plate in the support plate drawer module to contact the PCB between the jig support plate and the jig upper pressing plate template, and the detection of the PCB is realized; meanwhile, the elastic piece is arranged below the jig support plate, and the unloading mechanism can be replaced by automatic reset of the elastic piece, so that the ESD risk is reduced, the size of the jig support plate is reduced on the premise that the functional requirements are met, the field area is effectively utilized, and the production detection efficiency of the PCB is improved.
Description
Technical Field
The invention relates to the field of PCB testing, in particular to an automatic PCB testing device.
Background
With the rapid development of the technology in the field of electronic products, people have increasingly increased consumption requirements on electronic products, which puts higher requirements on the process efficiency and the qualification rate of electronic product manufacturers. When electronic products are produced, the carrier used for electrical connection of electronic components is usually called pcb (printed Circuit board), which is also called printed Circuit board, and is an important part in the production process of electronic products.
When the PCB is tested, a PCB testing device is needed, and various signals are input through a testing pin to quickly test and detect whether the PCB and electronic components electrically connected with the PCB have abnormal conditions such as short circuit, wrong components, missing components and the like. In the conventional PCB testing device, before testing, an upper cover of a PCB testing clamp needs to be opened, then a PCB to be tested is placed at a designated position in the clamp, and then the upper cover of the PCB testing clamp is closed and testing is started. After the test is finished, the upper cover of the PCB test fixture needs to be opened again, and the tested PCB is taken out to finish the whole process. In the testing process, the PCB testing clamp and the tested PCB need to be operated for many times, and more labor time is consumed; in addition, multiple operator contacts with the PCB increase the risk of esd (electrostatic discharge), i.e. static discharge, of sensitive devices on the PCB.
Chinese patent CN201621240022.6 relates to a PCB test fixture, which comprises: a bearing table; the movable carrier plate mechanism is arranged on the bearing table and used for carrying the PCB; a test assembly for testing the PCB, the mobile carrier mechanism being capable of transporting the PCB to the test assembly; the unloading mechanism is configured on the bearing table and used for unloading the PCB after the test is finished; and the grabbing mechanism is used for grabbing the PCB which is tested from the testing component and placing the PCB which is tested on the unloading mechanism. This patent comes into contact with the PCB through the vertical movement of test needle in the cylinder drive test subassembly to the detection that the realization comes the PCB. Although the detection efficiency of the PCB is improved, in order to reduce the contact between an operator and the PCB and reduce the risk of ESD, the PCB detection device is provided with an unloading mechanism and a grabbing mechanism which occupy larger space; and the cylinder that sets up vertically for satisfying the vertical removal of test pin has also taken up great space, and this will make the PCB testing arrangement quantity that can hold in the mill very limited, has caused certain restriction to PCB's production efficiency.
Therefore, on the premise of ensuring the original production precision, the size of the PCB detection device is reduced, which becomes a problem to be solved urgently in the field of PCB testing nowadays.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an automatic PCB testing device, which converts the horizontal driving force of a first linear driving device into the vertical driving force through the matching of a first guide piece, a first guide groove and a second guide groove, so that the invention realizes the reduction of the volume on the premise of meeting the functional requirements, effectively utilizes the area of the field and improves the production and detection efficiency of the PCB.
In order to achieve the purpose, the invention provides the following technical scheme: an automatic PCB testing device comprises a support plate drawer module, a jig upper pressure plate template arranged above the support plate drawer module, a jig lower needle plate template arranged below the support plate drawer module, a steering assembly, a first linear driving device arranged horizontally and a middle plate frame;
the steering assembly comprises a first guide piece fixed on the upper pressing plate of the jig, two limiting plates fixed on the middle plate frame, two guide plates respectively arranged at two sides of the upper pressing plate template of the jig and a supporting plate connected with the two guide plates; one side of the supporting plate, which is far away from the upper pressing plate of the jig, is connected with the first linear driving device; two groups of first guide grooves are respectively formed in the two guide plates, one end of each first guide groove, which is far away from the support plate, is positioned above one end of the first guide groove, which is close to the support plate, and the central lines of all the first guide grooves are parallel to each other; two groups of second guide grooves which are vertically arranged are respectively formed in the two limiting plates, and the two groups of second guide grooves are respectively in one-to-one correspondence with the two groups of first guide grooves; the first guide pieces are arranged in two groups corresponding to the first guide grooves, and each group of first guide pieces are simultaneously inserted into the corresponding first guide groove and second guide groove and can slide in the corresponding first guide groove and second guide groove;
the lower needle plate template of the jig comprises a needle plate and a plurality of probes fixed on the top of the needle plate; the support plate drawer module comprises a jig support plate, two fixed blocks supported below the jig support plate and two groups of elastic elements; the two groups of elastic pieces correspond to the two fixing blocks one by one, and each group of elastic pieces is respectively positioned between the corresponding fixing block and the jig support plate; the plurality of probes can penetrate through the jig carrier plate.
By adopting the technical scheme, the horizontal driving force of the first linear driving device is converted into the driving force in the vertical direction through the matching of the first guide piece, the first guide groove and the second guide groove, the unloading mechanism and the grabbing mechanism can be replaced through the automatic resetting of the elastic piece, the contact between people and a PCB is reduced, the ESD risk is reduced, the size is reduced on the premise that the functional requirements are met, the field area is effectively utilized, and the production detection efficiency of the PCB is improved.
The invention is further configured to: the support plate drawer module further comprises a plurality of PCB limiting pins fixed on the jig support plate.
Through adopting above-mentioned technical scheme, when PCB was placed between a plurality of PCB spacer pins, the laminating of PCB spacer pin was injectd PCB's side on PCB's edge, made it unable left and right sides rock to improve the accuracy that detects.
The invention is further configured to: the jig lower needle plate guide assembly comprises a jig lower needle plate guide sleeve and a jig lower needle plate guide pin arranged corresponding to the jig lower needle plate guide sleeve; when the guide pin of the lower needle plate of the jig is inserted into the guide sleeve of the lower needle plate of the jig, the lower needle plate template of the jig is positioned under the carrier plate of the jig.
By adopting the technical scheme, the lower needle plate guide assembly of the jig can assist in positioning between the jig support plate and the lower needle plate template of the jig.
The invention is further configured to: when the jig support plate is at the highest position, all the probes are separated from the jig support plate, and meanwhile, the guide pin of the lower needle plate of the jig is separated from the guide sleeve of the lower needle plate of the jig.
Through adopting above-mentioned technical scheme, the staff can be more convenient take off PCB from the fixture support plate.
The invention is further configured to: the support plate drawer module further comprises a second linear driving device for driving the two fixing blocks to horizontally slide.
Through adopting above-mentioned technical scheme, the action of putting and getting PCB can be accomplished to the staff outside the medium plate frame, reduces the staff and carries the possibility that the board pressed from both sides to by tool top board and tool.
The invention is further configured to: the jig upper pressing plate guide assembly comprises a jig upper pressing plate guide sleeve and a jig upper pressing plate guide pin arranged corresponding to the jig upper pressing plate guide sleeve; when the guide pin of the upper jig pressing plate is inserted into the guide sleeve of the upper jig pressing plate, the template of the upper jig pressing plate is positioned right above the jig support plate.
By adopting the technical scheme, the guide assembly of the upper jig pressing plate can assist in positioning between the jig support plate and the upper jig pressing plate template, so that the upper jig pressing plate template can accurately press the PCB positioned on the jig support plate.
The invention is further configured to: the support plate drawer module further comprises two sets of height limiting parts which are respectively installed on the two fixing blocks, when the two sets of height limiting parts are all abutted to the bottom surface of the jig support plate, the probe penetrates through the jig support plate and is abutted to the PCB.
By adopting the technical scheme, the possibility that the elastic piece cannot rebound due to excessive compression when PCB detection operation is carried out is reduced; while also reducing the likelihood of the probe wearing the PCB.
The invention is further configured to: still establish at the outside outer box of well plate frame including the cover, outer box is including being used for covering well plate frame top and being close to the last box of exit one side and articulating the lower box in well plate frame bottom, and the one side that goes up the box and be close to exit is provided with the window that is used for exposing support plate drawer module.
Through adopting above-mentioned technical scheme, go up the box, down the box and constitute a relative inclosed environment with the medium plate frame, can play dustproof effect, reduce the possibility that first linear drive device and second linear drive device receive the dust to influence life-span and shorten, articulated connected mode also the person of facilitating the use opens outer box and overhauls above-mentioned linear drive device in addition.
The invention is further configured to: the angle support device is arranged in the lower box body and used for supporting the middle plate frame.
Through adopting above-mentioned technical scheme, the staff can be helped to support well sheet frame to the angle strutting arrangement, going on of the work of being convenient for overhaul.
The invention is further configured to: the emergency stop switch is electrically connected with the first linear driving device and the second linear driving device.
In summary, compared with the prior art, the invention has the following beneficial effects:
1. the invention converts the horizontal driving force of the first linear driving device into the driving force in the vertical direction through the cooperation of the first guide piece, the first guide groove and the second guide groove; meanwhile, the automatic resetting of the elastic piece replaces an unloading mechanism, so that the contact between a person and the PCB is reduced, the ESD risk is reduced, the size of the PCB testing machine is reduced on the premise that the functional requirements are met, the area of the field is effectively utilized, and the production detection efficiency of the PCB is improved.
2. The PCB placing and taking device enables the worker to complete the action of placing and taking the PCB outside the middle plate frame, and reduces the possibility that the worker is clamped by the upper pressing plate of the jig and the carrying plate of the jig.
3. The invention has simple structure, low processing cost and convenient maintenance.
Drawings
FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;
fig. 2 is an exploded view of a middle plate frame and its internal components in example 1 of the present invention;
FIG. 3 is a schematic view showing a guide plate structure in embodiment 1 of the present invention;
FIG. 4 is an exploded view of a slide drawer module according to embodiment 1 of the present invention;
FIG. 5 is an enlarged view of area A of FIG. 4;
fig. 6 is an exploded schematic view of a lower needle template structure of a jig according to embodiment 1 of the invention;
fig. 7 is an exploded view of a middle plate frame structure in embodiment 1 of the present invention;
fig. 8 is a schematic view showing the installation position of an angle support device in embodiment 2 of the present invention;
fig. 9 is an exploded view of a template structure of an upper pressing plate of a jig according to embodiment 3 of the present invention.
In the figure: 1. a carrier plate drawer module; 11. a jig carrier plate; 111. a probe guide hole; 12. a fixed block; 13. an elastic member; 14. a second linear drive; 15. a linear slide rail; 16. a linear fixed rail; 17. a balance connecting plate; 18. a cylinder connecting plate; 19. a PCB spacing pin; 110. a height-limiting member; 2. pressing a plate template on the jig; 21. a sliding plate; 22. a jig upper pressing plate; 23. a fixture clamping strip; 3. a jig lower needle plate template; 31. a needle plate; 32. a probe; 33. a needle plate frame; 4. a steering assembly; 41. a first guide member; 42. a limiting plate; 421. a third guide groove; 43. a guide plate; 431. a first guide groove; 432. a second guide groove; 44. a support plate; 45. a second guide member; 5. a first linear driving device; 6. a middle plate frame; 61. a U-shaped side frame; 62. a base plate; 71. a guide sleeve of a lower needle plate of the jig; 72. a guide pin of a lower needle plate of the jig; 81. a guide sleeve of a jig upper pressure plate; 82. a guide pin of a press plate on the jig; 9. a scram switch; 10. an outer case; 101. an upper box body; 1011. fixing the cover plate; 1012. turning over the cover plate; 102. a lower box body; 103. an angle support device; 104. a window; 20. a buffer seat; 30. a PCB is provided.
Detailed Description
The technical solutions of the present invention will be described in detail with reference to the accompanying drawings, and it is obvious that the described embodiments are not all embodiments of the present invention, and all other embodiments obtained by those skilled in the art without any inventive work belong to the protection scope of the present invention.
It is to be understood that the terms "center," "upper," "lower," "horizontal," "left," "right," "front," "rear," "lateral," "longitudinal," and the like are used in the illustrated orientation or positional relationship as shown in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.
Example 1:
as shown in fig. 1-4, which are the basic structures of embodiment 1 of the present invention, an automatic PCB testing apparatus includes a carrier board drawer module 1, a jig upper platen template 2 disposed above the carrier board drawer module 1, a jig lower platen template 3 disposed below the carrier board drawer module 1, a steering assembly 4, a horizontally disposed first linear driving device 5, a middle plate frame 6, and an outer box 10, wherein the first linear driving device 5 is fixed in the middle plate frame 6.
The steering assembly 4 comprises a first guide part 41 fixed on the jig upper pressure plate 22, two limiting plates 42 fixed on the inner side of the middle plate frame 6, two guide plates 43 respectively arranged on two sides of the jig upper pressure plate template 2 and a support plate 44 connecting the two guide plates 43; one side of the supporting plate 44, which is far away from the jig upper pressing plate 22, is connected with the first linear driving device 5; two groups of first guide grooves 431 are respectively formed in the two guide plates 43, one end of each first guide groove 431, which is far away from the support plate 44, is positioned above one end of the support plate 44, which is close to the support plate 44, and the central lines of all the first guide grooves 431 are parallel to each other; two groups of second guide grooves 432 which are vertically arranged are respectively formed in the two limiting plates 42, and the two groups of second guide grooves 432 are respectively in one-to-one correspondence with the two groups of first guide grooves 431; the first guide members 41 are provided in two sets corresponding to the first guide grooves 431, and each set of the first guide members 41 is simultaneously inserted into the corresponding first guide groove 431 and second guide groove 432 and can slide in the corresponding first guide groove 431 and second guide groove 432.
Specifically, in this embodiment, the first guide member 41 is a pulley, and the pulley can convert sliding friction between the pulley and the groove walls of the first guide groove 431 and the second guide groove 432 into rolling friction, so as to reduce resistance received by the pulley in sliding in the first guide groove 431 and the second guide groove 432.
Specifically, in the present embodiment, two first guide grooves 431 are provided for each group, and the two first guide grooves 431 are arranged along the sliding direction of the support plate 44; two second guide grooves 432 are provided for each set to reduce the possibility of the jig upper platen 2 shaking when sliding under the guidance of the steering assembly 4.
Specifically, in the present embodiment, the shape of the first guide groove 431 is divided into three sections, the center lines of one section close to the support plate 44 and one section away from the support plate 44 are horizontal line segments, and the center line of the middle section is a smooth curve tangent to two ends close to each other of the other two sections.
As shown in fig. 5-6, the jig lower needle plate template 3 comprises a needle plate 31 detachably fixed at the bottom of the middle plate frame 6 and a plurality of probes 32 fixed at the top of the needle plate 31; the carrier plate drawer module 1 comprises a jig carrier plate 11, two fixed blocks 12 supported below the jig carrier plate 11 and two groups of elastic elements 13; two groups of elastic pieces 13 correspond to the two fixing blocks 12 one by one, and each group of elastic pieces 13 is respectively positioned between the corresponding fixing block 12 and the jig carrier plate 11; a plurality of probe guide holes 111 are vertically formed in the jig carrier plate 11 corresponding to the plurality of probes 32, the plurality of probe guide holes 111 correspond to the plurality of probes 32 one by one, and the plurality of probes 32 are respectively inserted into the corresponding probe guide holes 111 and pass through the jig carrier plate 11 under the guidance of the walls of the corresponding probe guide holes 111.
In the initial state of the present embodiment, each first guiding element 41 is located at one end of its corresponding first guiding groove 431 close to the supporting plate 44 and at the top end of its corresponding second guiding groove 432, and at this time, the vertical distance between the jig upper platen template 2 and the jig carrier 11 is the largest, so as to leave a space for placing the PCB 30 on the jig carrier 11; after the PCB 30 is placed on the jig carrier 11, the first linear driving device 5 is started to drive all the first guiding members 41 to slide in the corresponding first guiding grooves 431 and second guiding grooves 432, until each first guiding member 41 is located at the end of the corresponding first guiding groove 431 departing from the supporting plate 44 and the bottom end of the corresponding second guiding groove 432, at this time, the jig upper press plate template 2 abuts against the PCB 30 and applies a downward pressing force to the jig carrier 11 to contract the elastic member 13, and the plurality of probes 32 pass through the corresponding probe guiding holes 111 to abut against the designated detection positions below the PCB 30, so that the PCB 30 cannot move up and down for subsequent detection. After the PCB 30 is detected, the first linear driving device 5 is started to drive all the first guiding members 41 to slide in the corresponding first guiding grooves 431 and second guiding grooves 432, until each first guiding member 41 is located at the end of the corresponding first guiding groove 431 close to the supporting plate 44 and the top end of the corresponding second guiding groove 432 at the same time, so as to drive the jig upper pressing plate template 2 to be far away from the jig carrier plate 11; meanwhile, the elastic element 13 automatically resets to support the jig carrier 11, so that all the probes 32 are located below the top surface of the jig carrier 11, thereby facilitating the user to remove the PCB 30 from the jig carrier 11. Specifically, the elastic member 13 in this embodiment is a spring.
The horizontal driving force of the first linear driving device 5 is converted into the driving force in the vertical direction through the cooperation of the first guide part 41, the first guide groove 431 and the second guide groove 432, the function of unloading the PCB 30 can be realized through the automatic reset of the elastic part 13, the contact between people and the PCB 30 is reduced, the ESD risk is reduced, the size of the embodiment is reduced on the premise of meeting the functional requirements, the area of the field is effectively utilized, and the production detection efficiency of the PCB 30 is improved.
Specifically, support plate drawer module 1 still includes a plurality of PCB spacer pins 19, and all PCB spacer pins 19 are all fixed on tool support plate 11, and when PCB 30 was placed between a plurality of PCB spacer pins 19, PCB spacer pin 19 laminated on PCB 30's edge, inject PCB 30's side, make it unable left and right sides rock to improve the accuracy that detects.
The jig lower needle plate guide assembly comprises a jig lower needle plate guide sleeve 71 fixed on the jig support plate 11 and a jig lower needle plate guide pin 72 arranged corresponding to the jig lower needle plate guide sleeve 71, wherein the jig lower needle plate guide pin 72 is fixed on the jig lower needle plate template 3; when the jig lower pin plate guide pins 72 are inserted into the jig lower pin plate guide sleeves 71, the plurality of probes 32 are respectively inserted into their corresponding probe guide holes 111 to pass through the jig carrier 11. The jig lower needle plate guiding component can assist in positioning between the jig carrier plate 11 and the jig lower needle plate template 3. In the embodiment, the lower needle plate guide assembly of the jig is provided with two sets.
Specifically, needle board template 3 still includes needle plate frame 33 under the tool, and needle plate 31 is installed in needle plate frame 33, and needle plate uide pin 72 is fixed on needle plate frame 33 under the tool. Specifically, the needle plate frame 33 in this embodiment is detachably connected to the middle plate frame 6 through a plurality of screws. The arrangement facilitates the replacement of the jig lower needle plate template 3 suitable for detecting the PCBs 30 of different specifications by workers according to different PCBs 30.
Specifically, when the jig carrier 11 is at the highest position, all the probes 32 are separated from the jig carrier 11, and the jig lower pin plate guide pins 72 are separated from the jig lower pin plate guide sleeves 71, so that the PCB 30 can be taken down from the jig carrier 11 at a later stage.
Specifically, the present embodiment further includes two sets of height-limiting members 110 respectively fixed above the two fixing blocks 12, when the two sets of height-limiting members 110 both abut against the bottom surface of the jig carrier, the probe 32 passes through the corresponding probe guide hole 111 and abuts against the PCB 30, such arrangement reduces the possibility that the spring cannot rebound due to excessive pressure during the detection operation of the PCB 30, prolongs the life of the spring, and can also reduce the possibility that the probe 32 abrades the PCB 30 during the detection. In the present embodiment, the height limiting member 110 is a screw with the same height.
As shown in fig. 7, the carrier drawer module 1 further includes a second linear driving device 14 for driving the two fixing blocks 12 to slide horizontally, in this embodiment, the first linear driving device 5 and the second linear driving device 14 are both air cylinders, and the two air cylinders are arranged in parallel. In this embodiment, the carrier drawer module 1 is located in the middle plate frame 6, the middle plate frame 6 is composed of a U-shaped side frame 61 and a bottom plate 62 fixed at the bottom of the U-shaped side frame 61, an inlet and an outlet are formed at one side of the opening of the U-shaped side frame 61, and the jig carrier 11 can slide into or out of the middle plate frame 6 under the driving of the second linear driving device 14, so that a worker can complete the action of putting and taking the PCB 30 outside the middle plate frame 6, and the possibility that the worker is clamped by the jig upper pressing plate 22 and the jig carrier 11 is reduced.
Specifically, this embodiment still includes two buffing pads 20 of fixing in the bottom of well sheet frame 6 respectively, and two buffing pads 20 are located two linear slide rails 15 respectively and deviate from one side of importing and exporting to supplementary second linear drive device 14 prescribes a limit to the terminal position when two linear slide rails 15 slide to well sheet frame 6 inboard, and reduce the striking that two linear slide rails 15 slide when arriving in place to the cylinder that is second linear drive device 14 production, in order to protect this cylinder.
Specifically, the carrier drawer module 1 further includes a balance connecting plate 17 and a cylinder connecting plate 18 fixed on the balance connecting plate 17, the balance connecting plate 17 is respectively fixedly connected to the two fixing blocks 12, the cylinder connecting plate 18 is fixedly connected to a cylinder serving as a second linear device, and the cylinder serving as the second linear device is fixed to the bottom of the outer side of the middle frame 6.
Specifically, the carrier plate drawer module 1 further comprises two linear slide rails 15, the two linear slide rails 15 are respectively fixed at the bottoms of the two fixed blocks 12, and two parallel linear fixed rails 16 are respectively fixed at the bottom of the middle plate frame 6 corresponding to the two linear slide rails 15; the two linear slide rails 15 are respectively inserted into the two linear fixed rails 16 and can slide along the sliding direction of the two cylinder piston rods under the guidance of the linear fixed rails 16, so that the possibility of left-right shaking when the two fixed blocks 12 slide is reduced.
The jig upper pressing plate guide assembly comprises a jig upper pressing plate guide sleeve 81 fixed on the jig carrier plate 11 and a jig upper pressing plate guide pin 82 arranged corresponding to the jig upper pressing plate guide sleeve 81, and the jig upper pressing plate guide pin 82 is fixed on the jig upper pressing plate template 2; when the jig upper press plate guide pin 82 is inserted into the jig upper press plate guide sleeve 81, the jig upper press plate template 2 is located right above the jig support plate 11. The jig upper pressing plate guide assembly can assist in positioning between the jig support plate 11 and the jig upper pressing plate template 2, so that the jig upper pressing plate template 2 can accurately press the PCB 30 on the jig support plate 11. In the embodiment, two sets of guide assemblies of the upper jig pressure plate are arranged.
Specifically, set up the third guide way 421 that two sets of levels set up on two guide plates 43 respectively, turn to subassembly 4 still including two sets of second guide parts 45 that correspond two sets of third guide ways 421 and set up, two sets of second guide parts 45 are fixed respectively on two limiting plates 42 to horizontal slip in its third guide way 421 that corresponds, in order to improve two guide plates 43 horizontal slip's stability.
Specifically, two third guide grooves 421 are provided in each set and arranged along the sliding direction of the guide plate 43, and the second guide member 45 is also a pulley in this embodiment.
The embodiment further comprises an emergency stop switch 9 electrically connected with the first linear driving device 5 and the second linear driving device 14, so that a worker can terminate the detection of the PCB 30 for maintenance when the embodiment works abnormally.
The embodiment further comprises an outer box body 10 covering the outer part of the middle plate frame 6, the outer box body 10 comprises an upper box body 101 and a lower box body 102, the upper box body 101 is used for covering the top of the middle plate frame 6 and is close to one side of the inlet and the outlet, the lower box body 102 is hinged to the bottom of the middle plate frame 6 through hinges, and a window used for exposing the support plate drawer module is arranged on one side of the upper box body 101, which is close to the inlet and the outlet. The upper box body 101, the lower box body 102 and the middle plate frame 6 form a relatively closed environment, which can play a role of dust prevention, reduce the possibility that the first linear driving device 5 and the second linear driving device 14 are influenced by dust and have shortened service life, and the hinged connection mode is convenient for a user to open the outer box body 10 to overhaul the linear driving devices.
Specifically, the upper box 101 in this embodiment includes a fixed cover plate 1011 fixed on the top of the middle plate frame 6 and a flip cover plate 1012 hinged to the fixed cover plate 1011 by a hinge and near the side of the entrance/exit, the flip cover plate 1012 is divided into a top plate hinged to the fixed cover plate and a side plate fixedly connected to the top plate near the side of the entrance/exit, and the window 104 is left in the area of the side plate near the bottom edge. The provision of the flip cover 1012 facilitates maintenance of the components within the centering sheet frame 6 by the personnel.
In summary, in the present embodiment, the horizontal driving force of the first linear driving device 5 is converted into the driving force in the vertical direction through the cooperation of the first guide member 41, the first guide groove 431 and the second guide groove 432, and meanwhile, the function of unloading the PCB 30 can be realized through the automatic reset of the elastic member 13, so that the contact between a person and the PCB 30 is reduced, the ESD risk is reduced, the volume of the present embodiment is reduced on the premise of meeting the functional requirements, the area of the field is effectively utilized, and the production detection efficiency of the PCB 30 is improved. In addition, the embodiment enables the worker to complete the operation of placing and taking the PCB 30 outside the middle plate frame 6, thereby reducing the possibility that the worker is clamped by the jig upper pressing plate 22 and the jig carrier plate 11. Finally, the embodiment has the advantages of simple structure, low processing cost and convenient maintenance.
Example 2
As shown in fig. 8, to show a schematic structural view of an installation position of an angle support device 103 in embodiment 2 of the present invention, a difference between this embodiment and embodiment 1 is that an angle support device for supporting a middle plate frame is disposed in a lower box, in this embodiment, two angle support devices are used as the angle support devices, and are arranged along a hinge axis of the lower box 102, a bottom end of each gas spring is hinged to the lower box 102, a top end of each gas spring is hinged to a top of a middle plate frame 6, and a top end of each gas spring is inclined toward a side of the bottom end of the gas spring near the hinge of the lower box 102.
The gas spring consists of a pressure cylinder, a piston rod, a piston, a sealing guide sleeve, filler (inert gas or oil-gas mixture), an in-cylinder control element, an out-cylinder control element (a controllable gas spring), a joint and the like. The principle is that inert gas or oil-gas mixture is filled in a closed pressure cylinder, the pressure in a cavity is several times or dozens of times higher than the atmospheric pressure, and the motion of a piston rod is realized by utilizing the pressure difference generated by the cross section area of the piston rod smaller than that of the piston. When the worker needs to overhaul the position of the middle plate frame 6 at the bottom of the middle plate frame, the air spring is used as a part capable of playing a supporting and buffering role, and can help the worker to support the middle plate frame 6, so that the overhaul work is facilitated; simultaneously the setting of air spring also can reduce and overhaul the striking between well sheet frame 6 and the lower box 102 when accomplishing back well sheet frame 6 and lower box 102 closure, reduces the damage to 6 inner parts of centering sheet frame.
Example 3
Fig. 9 is a schematic view showing a basic structure of a jig upper pressing plate template 2 in embodiment 3 of the present invention, which is different from embodiment 1 in that the jig upper pressing plate template 2 includes a sliding plate 21, a jig upper pressing plate 22, and two jig clamping strips 23, the two jig clamping strips 23 are respectively clamped on two side edges of the jig upper pressing plate 22, the two jig clamping strips 23 are both fixedly connected with the sliding plate 21, and all first guiding members 41 are installed on the sliding plate 21. Above-mentioned structure has divided into a plurality of parts of being convenient for the concatenation with tool top board template 2, and convenient to use person overhauls and changes tool top board template 2.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 (10)
1. An automatic PCB testing arrangement which characterized in that: the device comprises a support plate drawer module (1), a jig upper pressing plate template (2) arranged above the support plate drawer module (1), a jig lower needle plate template (3) arranged below the support plate drawer module (1), a steering assembly (4), a first linear driving device (5) horizontally arranged and a middle plate frame (6);
the steering assembly (4) comprises a first guide piece (41) fixed on the jig upper pressure plate (22), two limiting plates (42) fixed on the middle plate frame (6), two guide plates (43) respectively arranged on two sides of the jig upper pressure plate template (2) and a support plate (44) connected with the two guide plates (43); one side of the supporting plate (44) departing from the upper pressing plate (22) of the jig is connected with the first linear driving device (5); two groups of first guide grooves (431) are respectively formed in the two guide plates (43), one end of each first guide groove (431) departing from the support plate (44) is positioned above one end of the support plate (44), and the center lines of all the first guide grooves (431) are parallel to each other; two groups of second guide grooves (432) which are vertically arranged are respectively formed in the two limiting plates (42), and the two groups of second guide grooves (432) are respectively in one-to-one correspondence with the two groups of first guide grooves (431); the first guide pieces (41) are arranged in two groups corresponding to the first guide grooves (431), and each group of the first guide pieces (41) is simultaneously inserted into the corresponding first guide groove (431) and second guide groove (432) and can slide in the corresponding first guide groove (431) and second guide groove (432);
the jig lower needle plate template (3) comprises a needle plate (31) and a plurality of probes (32) fixed on the top of the needle plate (31); the support plate drawer module (1) comprises a jig support plate (11), two fixed blocks (12) supported below the jig support plate (11) and two groups of elastic elements (13); two groups of elastic pieces (13) correspond to the two fixing blocks (12) one by one, and each group of elastic pieces (13) are respectively positioned between the corresponding fixing block (12) and the jig carrier plate (11); the probes (32) can pass through the jig carrier plate (11).
2. An automated PCB testing apparatus according to claim 1, wherein: the carrier plate drawer module (1) further comprises a plurality of PCB limiting pins (19) fixed on the jig carrier plate (11).
3. An automated PCB testing apparatus according to claim 2, wherein: the jig lower needle plate guide assembly comprises a jig lower needle plate guide sleeve (71) and a jig lower needle plate guide pin (72) arranged corresponding to the jig lower needle plate guide sleeve (71); when the jig lower needle plate guide pin (72) is inserted into the jig lower needle plate guide sleeve (71), the jig lower needle plate template (3) is positioned under the jig carrier plate (11).
4. An automated PCB testing apparatus according to claim 3, wherein: when the jig carrier plate (11) is at the highest position, all the probes (32) are separated from the jig carrier plate (11), and meanwhile, the jig lower needle plate guide pin (72) is separated from the jig lower needle plate guide sleeve (71).
5. An automated PCB testing apparatus according to claim 4, wherein: the carrier plate drawer module (1) further comprises a second linear driving device (14) used for driving the two fixing blocks (12) to horizontally slide.
6. An automated PCB testing apparatus according to claim 2, wherein: the jig upper pressing plate guide assembly comprises a jig upper pressing plate guide sleeve (81) and a jig upper pressing plate guide pin (82) arranged corresponding to the jig upper pressing plate guide sleeve (81); when the guide pin (82) of the upper jig pressure plate is inserted into the guide sleeve (81) of the upper jig pressure plate, the template (2) of the upper jig pressure plate is positioned right above the jig support plate (11).
7. An automated PCB testing apparatus according to claim 1, wherein: the carrier plate drawer module (1) further comprises two groups of height limiting parts (110) which are respectively installed on the two fixing blocks (12), when the two groups of height limiting parts (110) are abutted to the bottom surface of the jig carrier plate (11), the probes (32) penetrate through the jig carrier plate (11) and are abutted to the PCB (30).
8. An automated PCB testing apparatus according to claim 1, wherein: the support plate drawer type refrigerator is characterized by further comprising an outer box body (10) covered outside the middle plate frame (6), wherein the outer box body (10) comprises an upper box body (101) used for covering the top of the middle plate frame (6) and close to one side of the inlet and the outlet and a lower box body (102) hinged to the bottom of the middle plate frame (6), and a window (104) used for exposing the support plate drawer module (1) is arranged on one side, close to the inlet and the outlet, of the upper box body (101).
9. An automated PCB testing apparatus according to claim 8, wherein: the device also comprises an angle supporting device (103) which is arranged in the lower box body (102) and used for supporting the middle plate frame (6).
10. An automated PCB testing apparatus according to claim 1, wherein: the emergency stop switch (9) is electrically connected with the first linear driving device (5) and the second linear driving device (14).
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| CN202210454287.XA CN114740335A (en) | 2022-04-27 | 2022-04-27 | Automatic PCB testing arrangement |
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| CN202210454287.XA CN114740335A (en) | 2022-04-27 | 2022-04-27 | Automatic PCB testing arrangement |
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Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201173959Y (en) * | 2008-01-30 | 2008-12-31 | 昆山鸿汉电子有限公司 | Two stage type fixture for press |
| CN103310854A (en) * | 2013-05-31 | 2013-09-18 | 吉铨精密机械(苏州)有限公司 | Self-locking mechanical equipment box |
| CN204556786U (en) * | 2015-05-05 | 2015-08-12 | 常州信息职业技术学院 | A kind of modular pcb board measurement jig |
| CN204734917U (en) * | 2015-07-08 | 2015-11-04 | 王�琦 | Upper limbs strength training equipment |
| CN205507020U (en) * | 2016-01-26 | 2016-08-24 | 深圳市德富莱智能科技股份有限公司 | Radio frequency serial test fixture |
| CN106308271A (en) * | 2015-06-23 | 2017-01-11 | 许志远 | Pillow |
| CN207050939U (en) * | 2017-08-21 | 2018-02-27 | 深圳市韶音科技有限公司 | Elastic parts measurement jig |
| CN207101070U (en) * | 2017-02-28 | 2018-03-16 | 江门市汇林实业有限公司 | A kind of package bin with damping structure |
| CN208154424U (en) * | 2018-06-05 | 2018-11-27 | 惠州市惠柏龙电子有限公司 | A kind of LED driver being easily installed |
| CN109743567A (en) * | 2018-12-28 | 2019-05-10 | 南通同洲电子有限责任公司 | A kind of satellite set top box LNB signal testing tool fixture and test method |
| CN209233247U (en) * | 2018-12-10 | 2019-08-09 | 福建华杰电气科技有限公司 | A kind of Multi-functional Lighting case |
| CN209841925U (en) * | 2019-03-22 | 2019-12-24 | 深圳市美锐精密电子有限公司 | Probe detection device |
| CN110854462A (en) * | 2019-12-04 | 2020-02-28 | 湖南科舰能源发展有限公司 | Automobile is with opening anodal fuse block of battery that stops |
| CN210692410U (en) * | 2019-12-23 | 2020-06-05 | 黄小丽 | Mechanical keyboard button |
| CN111505348A (en) * | 2019-01-31 | 2020-08-07 | 杭州广立微电子有限公司 | Test head for probe station |
| CN211603260U (en) * | 2019-10-24 | 2020-09-29 | 深圳市佳信新科技有限公司 | Accurate alignment test sliding table jig |
| CN111856252A (en) * | 2020-08-24 | 2020-10-30 | 珠海市精实测控技术有限公司 | Single-datum positioning full-floating PCB function test structure |
| CN112128581A (en) * | 2020-08-31 | 2020-12-25 | 衡阳和众信息技术有限责任公司 | Network engineering monitoring device |
| CN213393285U (en) * | 2020-09-28 | 2021-06-08 | 熙成精密机械科技(常州)有限公司 | Novel air spring |
| CN214195680U (en) * | 2020-08-21 | 2021-09-14 | 山东润浩水利科技有限公司 | Dampproofing rising temperature device of glass steel well house |
| CN215850433U (en) * | 2021-10-06 | 2022-02-18 | 重庆经贸职业学院 | Drawing portable equipment for art design |
-
2022
- 2022-04-27 CN CN202210454287.XA patent/CN114740335A/en active Pending
Patent Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201173959Y (en) * | 2008-01-30 | 2008-12-31 | 昆山鸿汉电子有限公司 | Two stage type fixture for press |
| CN103310854A (en) * | 2013-05-31 | 2013-09-18 | 吉铨精密机械(苏州)有限公司 | Self-locking mechanical equipment box |
| CN204556786U (en) * | 2015-05-05 | 2015-08-12 | 常州信息职业技术学院 | A kind of modular pcb board measurement jig |
| CN106308271A (en) * | 2015-06-23 | 2017-01-11 | 许志远 | Pillow |
| CN204734917U (en) * | 2015-07-08 | 2015-11-04 | 王�琦 | Upper limbs strength training equipment |
| CN205507020U (en) * | 2016-01-26 | 2016-08-24 | 深圳市德富莱智能科技股份有限公司 | Radio frequency serial test fixture |
| CN207101070U (en) * | 2017-02-28 | 2018-03-16 | 江门市汇林实业有限公司 | A kind of package bin with damping structure |
| CN207050939U (en) * | 2017-08-21 | 2018-02-27 | 深圳市韶音科技有限公司 | Elastic parts measurement jig |
| CN208154424U (en) * | 2018-06-05 | 2018-11-27 | 惠州市惠柏龙电子有限公司 | A kind of LED driver being easily installed |
| CN209233247U (en) * | 2018-12-10 | 2019-08-09 | 福建华杰电气科技有限公司 | A kind of Multi-functional Lighting case |
| CN109743567A (en) * | 2018-12-28 | 2019-05-10 | 南通同洲电子有限责任公司 | A kind of satellite set top box LNB signal testing tool fixture and test method |
| CN111505348A (en) * | 2019-01-31 | 2020-08-07 | 杭州广立微电子有限公司 | Test head for probe station |
| CN209841925U (en) * | 2019-03-22 | 2019-12-24 | 深圳市美锐精密电子有限公司 | Probe detection device |
| CN211603260U (en) * | 2019-10-24 | 2020-09-29 | 深圳市佳信新科技有限公司 | Accurate alignment test sliding table jig |
| CN110854462A (en) * | 2019-12-04 | 2020-02-28 | 湖南科舰能源发展有限公司 | Automobile is with opening anodal fuse block of battery that stops |
| CN210692410U (en) * | 2019-12-23 | 2020-06-05 | 黄小丽 | Mechanical keyboard button |
| CN214195680U (en) * | 2020-08-21 | 2021-09-14 | 山东润浩水利科技有限公司 | Dampproofing rising temperature device of glass steel well house |
| CN111856252A (en) * | 2020-08-24 | 2020-10-30 | 珠海市精实测控技术有限公司 | Single-datum positioning full-floating PCB function test structure |
| CN112128581A (en) * | 2020-08-31 | 2020-12-25 | 衡阳和众信息技术有限责任公司 | Network engineering monitoring device |
| CN213393285U (en) * | 2020-09-28 | 2021-06-08 | 熙成精密机械科技(常州)有限公司 | Novel air spring |
| CN215850433U (en) * | 2021-10-06 | 2022-02-18 | 重庆经贸职业学院 | Drawing portable equipment for art design |
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Address after: 519125 area a, 29 Xinke 1st Road, Baijiao Science and Technology Industrial Park, Doumen District, Zhuhai City, Guangdong Province Applicant after: Zhuhai Jingshi Measurement and Control Technology Co.,Ltd. Address before: 519125 area a, 29 Xinke 1st Road, Baijiao Science and Technology Industrial Park, Doumen District, Zhuhai City, Guangdong Province Applicant before: P&R. MEASUREMENT Inc. |
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Application publication date: 20220712 |