CN112788861A - Printed circuit board maintenance platform - Google Patents
Printed circuit board maintenance platform Download PDFInfo
- Publication number
- CN112788861A CN112788861A CN201911079734.2A CN201911079734A CN112788861A CN 112788861 A CN112788861 A CN 112788861A CN 201911079734 A CN201911079734 A CN 201911079734A CN 112788861 A CN112788861 A CN 112788861A
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- China
- Prior art keywords
- circuit board
- printed circuit
- resin
- heating
- workbench
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/22—Secondary treatment of printed circuits
- H05K3/225—Correcting or repairing of printed circuits
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/02—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby of table type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/12—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with storage compartments
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Non-Metallic Protective Coatings For Printed Circuits (AREA)
Abstract
The embodiment of the invention provides a printed circuit board maintenance platform which comprises a workbench and a heating device, wherein the upper surface of the workbench is used for containing a printed circuit board, the heating device is used for heating a preset area of the printed circuit board, the preset area contains a through hole, resin is filled in the through hole, and the surface of the resin is provided with a depression. During the use, keep the sunken department of resin up and heat the back, the downthehole resin of mistake softens and outwards expands, and then makes the sunken volume on resin surface reduce, after instiling into the resin in the resin top of via hole, contract in the resin of via hole in the cooling process, and then will be located the resin suction cross hole on the printed circuit board of via hole outside gradually, sunken volume when having reduced the instiling into the resin, and then avoid generating the bubble between the downthehole resin of mistake and the resin instiling into when instiling into the resin, the product quality is improved.
Description
Technical Field
The invention relates to the technical field of printed circuit board manufacturing, in particular to a printed circuit board maintenance platform.
Background
The printed circuit board is a support body of the electronic components and is also a carrier for the electrical connection of the electronic components. The through holes with different apertures are formed in the printed circuit board, so that the electric connection lines on the printed circuit board can be connected among layers, and in the actual production process, the through holes of the printed circuit board need to be plugged, so that the plugging of the through holes on the printed circuit board becomes a hotspot of research.
In the related art, the hole is generally plugged by filling the resin oil into the via hole. Specifically, the resin oil is heated, and then the resin oil is dripped into the via hole, and the via hole can be filled after the resin oil is cooled.
However, since the via hole has a small diameter, bubbles are easily formed between the resin oil and the resin in the via hole during the dropping of the resin oil, thereby causing poor quality of the circuit board.
Disclosure of Invention
The embodiment of the invention provides a printed circuit board maintenance platform, which is used for solving the technical problem that in the prior art, due to the small aperture of a via hole, bubbles are easily formed between resin oil and resin in the via hole in the process of dripping the resin oil, so that the quality of a circuit board is poor.
The embodiment of the invention provides a printed circuit board maintenance platform, which comprises: the device comprises a workbench, a heating device and a dropping device; the utility model discloses a PCB structure, including workstation, heating device, dripping device, resin, the last upper surface that is used for holding printed circuit board that has of workstation, heating device sets up on the workstation, heating device is used for right printed circuit board predetermines the region and heats, the device that drips into be used for to predetermine the downthehole resin that drips into of via in the region.
The printed circuit board maintenance platform comprises a heating device, wherein the heating device comprises a heat source, an accommodating cavity is formed in the workbench, a heating hole is formed in the upper surface of the workbench, and the heating hole penetrates through the accommodating cavity; the heat source is arranged in the accommodating cavity so as to heat the printed circuit board on the upper surface through the heating hole.
The printed circuit board maintenance platform as described above, wherein the heat source includes a heat gun, and an air outlet of the heat gun faces the heating hole.
The printed circuit board maintenance platform comprises a workbench, wherein the workbench is provided with a first adjusting device, the first adjusting device is arranged on the workbench, and the first adjusting device is electrically connected with the hot air gun so as to adjust the heating power of the hot air gun.
The printed circuit board inspection platform further comprises a ventilation device, a first opening is formed in a first surface, adjacent to the upper surface, of the workbench, the ventilation device is arranged in the accommodating cavity, and an air inlet or an air outlet of the ventilation device faces the first opening; and a second opening is formed in a second surface, adjacent to the upper surface and opposite to the first surface, of the workbench.
As above printed circuit board service desk, wherein, ventilation unit includes exhaust fan and second adjusting device, the exhaust fan sets up hold intracavity portion, the second adjusting device with the exhaust fan electricity is connected, the second adjusting device is used for adjusting the rotational speed of exhaust fan.
The printed circuit board service desk as described above, wherein a grille is provided in both the first opening and the second opening.
The printed circuit board maintenance platform further comprises a lighting device and a third adjusting device, wherein a lighting support extending out of the upper surface is arranged on the workbench, the lighting device is arranged on the lighting support, the lighting device is electrically connected with the third adjusting device, and the third adjusting device is used for adjusting the power of the lighting device.
The printed circuit board maintenance platform as described above, wherein the one end of the workbench departing from the upper surface is provided with at least three support legs, and the bottom of each support leg is provided with a height adjusting device.
The printed circuit board maintenance platform as described above, wherein a protection pad is laid on the upper surface, and a hole for the heating hole is provided on the protection pad.
The printed circuit board maintenance platform provided by the embodiment of the invention comprises a workbench and a heating device, wherein the upper surface of the workbench is used for accommodating a printed circuit board, the heating device is used for heating a preset area of the printed circuit board, the preset area contains a through hole, resin is filled in the through hole, and the surface of the resin is provided with a depression. During the use, keep the sunken department of resin up and heat the back, the downthehole resin of mistake softens and outwards expands, and then makes the sunken volume on resin surface reduce, after instiling into the resin in the resin top of downthehole, contract in the resin of downthehole among the cooling process, and then will be located the resin suction cross on the circuit board of via hole outside gradually, sunken volume when having reduced the instiling into the resin, and then avoid producing the bubble between the downthehole resin of mistake and the resin instiling into when instiling into the resin, the product quality is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a PCB service desk provided in an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a stage according to an embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating a heating device according to an embodiment of the present invention heating a printed circuit board;
FIG. 4 is a schematic diagram of a resin provided by an embodiment of the present invention before filling;
fig. 5 is a schematic diagram of the resin filled according to the embodiment of the present invention.
Description of reference numerals:
1: a work table;
11: an upper surface;
111: heating the hole;
12: an accommodating chamber;
13: a first adjusting device;
14: a first surface;
141: a first opening;
15: a second surface;
151: a second opening;
16: an illumination support;
17: a support leg;
2: a heating device;
21: a heat source;
3: a dropping device;
4: a printed circuit board;
41: a via hole;
42: a resin;
5: a ventilation device;
51: a second adjustment device;
6: an illumination device;
61: a third adjusting device;
7: a height adjustment device.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
In the present invention, unless otherwise specifically stated, the terms "mounted," "connected," "fixed," and the like are to be understood broadly, and for example, may be fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, or communicable with each other; they may be directly connected or indirectly connected through an intermediate medium, or they may be connected internally or in any other manner known to those skilled in the art, unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
FIG. 1 is a schematic structural diagram of a PCB service desk provided in an embodiment of the present invention; FIG. 2 is a schematic cross-sectional view of a stage according to an embodiment of the present invention; FIG. 3 is a schematic diagram illustrating a heating device according to an embodiment of the present invention heating a printed circuit board; FIG. 4 is a schematic diagram of a resin provided by an embodiment of the present invention before filling; fig. 5 is a schematic diagram of the resin filled according to the embodiment of the present invention.
Please refer to fig. 1 to 5. The embodiment provides a printed circuit board service rack, includes: workstation 1, heating device 2 and instil into device 3 have the upper surface 11 that is used for holding printed circuit board 4 on the workstation 1, and heating device 2 sets up on workstation 1, and heating device 2 is used for heating the predetermined region of printed circuit board 4, instil into device 3 and is used for instiling into the resin to the via hole 41 in the predetermined region.
The working platform 1 can be made of metal material, such as stainless steel, so that the working platform can bear the heat generated by the heating device 2 and prevent fire accidents.
The shape of the workbench 1 can be of a cuboid structure, so that the workbench 1 can be spliced together, and the centralized operation personnel in a factory can conveniently perform unified batch work.
This embodiment is as heating device 2 to what kind of equipment of practical use to and heating device 2 does not do the restriction in the concrete position that sets up on workstation 1, for example, in a possible implementation, heating device 2 can be the thermal resistor, can set up a recess on upper surface 11, places the thermal resistor in this recess, and the thermal resistor generates heat and radiates the printed circuit board 4 of placing on the recess after circular telegram to heat printed circuit board 4. In another possible implementation manner, an electric infrared lamp can be used as the heating device 2, the electric infrared lamp generates infrared radiation after being electrified and emits the infrared radiation to the surface of the printed circuit board 4, part of infrared light is absorbed and then is converted into heat energy, so that the printed circuit board 4 is heated, the electric infrared lamp can be installed on the upper surface of the workbench 1, and the fixed area can be accurately heated through a directional lamp tube arranged on the electric infrared lamp.
Since the fluidity of the resin is poor, a slender tool may be used as the dropping device 3, and for example, a slender metal needle or a metal rod having a sharp tip may be used to dip the resin in a liquid state and then coat the resin on the via hole surface.
During the concrete realization, the printed circuit board maintenance platform that utilizes this embodiment to provide carries out the process of consent to printed circuit board 4 and does:
the appearance of the printed circuit board 4 is inspected to find out the via hole 41 with the depression of the resin 42 on the printed circuit board 4 and to mark the area containing the via hole 41, i.e., the preset area.
Then, the printed circuit board 4 is placed on the upper surface 11 of the worktable, the via hole 41 into which the resin is dropped is aligned with the heating device 2, the side with the recess facing upward is maintained, the heating device 2 is turned on to heat, optionally, the heating time can be set according to the thickness of the printed circuit board 4 and the heating power of the heating device 2, and for example, when the heating temperature of the heating device 2 is between 80 ℃ and 160 ℃, the heating time can be set between 30 seconds and 120 seconds.
The resin 42 in the via hole 41 is heated to expand, the expanded resin 42 is close to the surface of the via hole 41, and the original concave volume is further reduced, at the moment, the resin is dripped on the surface of the resin 42 in the via hole 41 by using the dripping device 3, and the resin covers the surface of the resin 42 in the via hole; after that, the heating is stopped, and during the cooling process of the via hole 41, the resin 42 is retracted into the via hole 41, and the resin covering the surface of the resin 42 correspondingly enters the via hole 41. It is noted that the expansion volume of the resin 42 during heating is greater than the expansion volume of the printed circuit board via hole 41 after heating, so that the original depression volume in the via hole 41 is reduced after heating.
After turn on heating device 2 again and heat via hole 41, the resin that drops into in via hole 41 is heated and produces the solidification reaction after reaching its solidification temperature, the heating through a certain period makes its reaction cool off again after abundant, the solidification hardening after the cooling is accomplished for after dropping into the resin, printed circuit board 4 need not once more the monoblock put into the oven toast with the solidification resin, the printed circuit board maintenance platform that directly utilizes this embodiment to provide can be accomplished, the production step has been simplified.
After the printed circuit board 4 is cooled and the supplemented resin is completely cured, the appearance of the printed circuit board 4 is checked again under the light of an inspection desk, if the excess resin is near the via hole 41, the excess resin can be ground off by using sand paper, and finally the surface of the resin 42 in the via hole 41 is flat and level with the surface of the via hole 41.
The printed circuit board maintenance platform provided by the embodiment comprises a workbench 1 and a heating device 2, wherein the upper surface 11 of the workbench 1 is used for containing a printed circuit board 4, the heating device 2 is used for heating a preset area of the printed circuit board 4, the preset area contains a via hole 41, the via hole 41 is filled with resin 42, and the surface of the resin 42 is provided with a recess; when the circuit board is used, the resin 42 in the via hole 41 is heated by the heating device 2 and then thermally expanded, so that the original concave volume is reduced, then the resin is dripped, the resin 42 in the via hole 41 is shrunk in the cooling process, and the resin on the circuit board outside the via hole is gradually sucked into the via hole 41; reduced sunken volume and then avoided when instiling into the resin producing the bubble between the resin of via hole and the resin of instiling into, improved product quality when instiling into the resin.
The heating device 2 in this embodiment includes a heat source 21, a containing cavity 12 is provided on the workbench, a heating hole 111 is provided on the upper surface 11, and the heating hole 111 penetrates through the containing cavity 12; a heat source 21 is provided in the accommodating chamber 12 to heat the printed circuit board 4 on the upper surface 11 through the heating hole 111.
The size and shape of the heating hole 111 are not limited in this embodiment, and the heating hole 111 may be a circular hole with a diameter of 8 mm, for example, and the heat source 21 heats a predetermined area on the printed circuit board 4 through the circular hole. The accommodating cavity 12 is directly formed by surrounding the side wall of the workbench 1.
The accommodating cavity 12 is arranged on the workbench 1 in the embodiment, and the heat source 21 is arranged in the accommodating cavity 12, so that the phenomenon that the heat source 21 is exposed in the air, and the ambient temperature is increased when the heating device 2 continuously works, and the discomfort is caused to operators is avoided; meanwhile, the heat source 21 can only heat the printed circuit board 4 on the upper surface 11 through the heating hole 111, so that scalding caused by contact of an operator with the heat source 21 is avoided, and the safety coefficient of operation is improved.
The heat source 21 in this embodiment includes a heat gun, and an air outlet of the heat gun faces the heating hole 111.
During concrete implementation, the air outlet of the hot air gun can be directly arranged under the heating hole 111 and is close to the heating hole 111, hot air blown out by the hot air gun is directly heated on the printed circuit board 4 above the heating hole 111 through the heating hole 111, most of heat is guaranteed to be absorbed by the printed circuit board 4, and heating efficiency is improved.
Or, the air outlet of the heat gun may be connected to the heating hole 111 through a duct, the heat gun heats the air in the duct, and the heated air contacts the printed circuit board 4 through the heating hole 111 to complete heating.
The hot air gun is used as a common heating device, the size is small, the using method is simple, the hot air gun is used as the heat source 21 in the embodiment, the whole size of the heating device 2 is reduced, meanwhile, the hot air gun can be used only by electrifying, the complexity of the heating device 2 provided by the embodiment is simplified, and the heating device is easy to realize.
The printed circuit board maintenance platform that this embodiment provided still includes the first adjusting device 13 of setting on workstation 1, and first adjusting device 13 is connected with the heat-gun electricity to adjust the heating power of heat-gun.
In a specific implementation, the first adjusting device 13 may be a rotary button, and the hot air gun is adjusted to work under different powers by rotating at different angles; alternatively, the first adjusting device 13 may also include a plurality of button switches, each button switch corresponds to one gear of the heat gun, and the heating powers of the heat guns in different gears are different. In addition, first adjusting device 13 can also adopt the digital display screen, and the digital display screen is connected with the hot-blast rifle electricity that has the digital display function, through setting up different temperature of predetermineeing on the digital display screen, and then realizes the control to hot-blast rifle power.
First adjusting device 13 in this embodiment can realize the adjustment to the heat gun heating power, and to the printed circuit board 4 of different thickness, through the adjustment heating power, avoid burning out the product or to its heating insufficiency, also can adapt to different operational environment simultaneously, ambient temperature is low when for example winter, can improve the heat gun heating power through first adjusting device 13. By providing the first adjusting device 13 electrically connected with the heat gun, the heating device 2 has a wider working range
The printed circuit board inspection platform provided by the embodiment further comprises a ventilation device 5, a first opening 141 is formed in a first surface 14, adjacent to the upper surface 11, of the workbench 1, the ventilation device 5 is arranged in the accommodating cavity 12, and an air inlet or an air outlet of the ventilation device 5 is arranged towards the first opening 141; a second opening 151 is provided in a second surface 15 of the table 1 adjacent to the upper surface 12 and opposite to the first surface 14.
Since the heating device 2 is disposed inside the accommodating chamber 12, in order to prevent the enclosed accommodating chamber 12 from generating heat accumulation to many degrees and causing safety accidents when the heating device 2 continuously operates, the first opening 141 is disposed on the first surface 14 adjacent to the upper surface 11 on the worktable 1, and the second opening 151 is disposed on the second surface 15 adjacent to the upper surface 11 on the worktable 1. The ventilation device 5 allows air to flow into or out of the accommodating cavity 12 through the first opening 141 and the second opening 151, thereby performing the heat dissipation and cooling functions on the accommodating cavity 12 and the heating device 2.
The first opening 141 and the second opening 151 may be regular or irregular shapes such as a circle, a square, a triangle, etc., as long as it is satisfied that air can pass through, and the embodiment is not limited to a specific shape.
The first opening 141 may have a plurality of first openings 141 spaced apart from each other on the first surface 14; similarly, the second openings 151 may also be provided in plural, and the plural second openings 151 are distributed on the second surface 15 at intervals, so that by increasing the number of the first openings 141 and the second openings 151, the flow rate of the air in the accommodating cavity 12 is effectively increased, and the heat dissipation and cooling effects of the ventilation device 5 on the heating device 2 and the accommodating cavity 12 are further improved.
The present embodiment is not limited to the arrangement direction of the air inlet and the air outlet of the ventilation device 5 and the flow direction of the air. Illustratively, the air inlet of the ventilation device 5 faces the first opening 141 and draws air into the accommodating chamber 12 from the first opening 141, and the air outlet of the ventilation device 5 faces the second opening 151 and discharges air in the accommodating chamber 12 from the second opening 151. In the flowing process of the air, the air carries the heat in the accommodating cavity 12 to flow out of the cavity, and then the heat dissipation and cooling functions are realized.
In this embodiment, the ventilation device 5 includes an exhaust fan and a second adjusting device 51, the exhaust fan is disposed inside the accommodating cavity 12, the second adjusting device 51 is electrically connected to the exhaust fan, and the second adjusting device 51 is used for adjusting the rotation speed of the exhaust fan.
Optionally, the second adjusting device 51 may be a rotary button, and the motor of the exhaust fan generates different rotation speeds by rotating at different angles, so as to adjust the rotation speed of the fan, thereby achieving the effect of more accurately adjusting the heat dissipation efficiency; alternatively, the second adjusting device 51 may also be a plurality of button switches, and each button switch corresponds to one exhaust fan rotation gear.
Ventilation unit 5 in this embodiment has realized the adjustability to the exhaust fan rotational speed through second adjusting device 51, and then has realized the adjustability to the radiating efficiency, and under the operational environment temperature of difference, operating personnel can adjust the radiating efficiency according to the in-service use needs.
In the present embodiment, a grill is provided in each of the first opening 141 and the second opening 151.
The grille can effectively prevent dust or foreign matters in the air from entering the accommodating cavity 12 through the first opening 141 and the second opening 151, so that the accommodating cavity 12 is dirty, or the dust or the foreign matters block the air outlet or the air inlet of the ventilation device 5, and the ventilation efficiency is reduced.
The printed circuit board inspection table provided by the embodiment further comprises a lighting device 6 and a third adjusting device 61, wherein the workbench 1 is provided with a lighting bracket 16 extending outwards from the upper surface 11, the lighting device 6 is arranged on the lighting bracket 16, the lighting device 6 is electrically connected with the third adjusting device 61, and the third adjusting device 61 is used for adjusting the power of the lighting device 6.
The lighting device 6 can provide lighting for the appearance inspection of the printed circuit board 4, so that the inspection desk also has the function of appearance inspection, and is convenient for operators to operate in a factory with low brightness.
Optionally, the lighting device 6 may be a common incandescent lamp or an LED (light emitting diode) lamp, which is not limited in this embodiment; the third adjusting device 61 may be a rotary button, and by rotating different angles, the illumination brightness can be controlled more precisely; alternatively, the third adjustment means 61 may also be a plurality of push-button switches, different push-button switches being pressed, the illumination means 6 providing different brightness, for example: after the first switch is pressed, one lighting bulb in the lighting device 6 is kept to be turned on, and after the second switch is pressed, two lighting bulbs in the lighting device 6 are kept to be turned on, so that the operator can select different lighting brightness.
In this embodiment, the first adjusting device 13, the second adjusting device 51 and the third adjusting device 61 may be disposed on any surface of the workbench 1, and for example, the three adjusting devices may be disposed on the same surface of the workbench 1, so as to integrate the three adjusting devices together, thereby facilitating the operation of the operator.
In the present embodiment, the illumination device 6 is disposed on the illumination holder 16, so that the whole upper surface 11 is illuminated, and the illumination range of the light source is increased. The third adjusting device 61 is used for adjusting the power of the illuminating device 6, so that an operator can select different illumination brightness according to the surrounding environment, the condition of over-strong or over-dark light is effectively avoided, and the eye fatigue of the operator is relieved.
The end of the table 1 facing away from the upper surface 11 is provided with at least three legs 17, the bottom of each leg 17 being provided with a height adjustment device 7.
The workbench 1 can be supported by three support legs 17, the three support legs 17 form a stable triangle mutually, or the workbench 1 can also be supported by four support legs 17, and each support leg 17 is arranged at one corner of the workbench 1 to provide stable supporting force and prevent the workbench from turning on one side. The number of the legs 17 is not limited in this embodiment, as long as the stability and firmness of the workbench 1 can be ensured.
During concrete implementation, height adjusting device 7 in this embodiment can be a simple lifter, and the bottom of this lifter is circular base, and the vertical cylindrical pillar that is provided with on circular base is provided with the external screw thread on the cylindrical pillar, is provided with the internal thread in the bottom of landing leg 17 of workstation 1, and circular base links together through screw thread and landing leg 17, and the degree of depth through circular base screw in landing leg 17 bottom is different, can satisfy the adjustment to workstation 1 height.
Or, the height adjusting device 7 can also be realized in the form of a guide rail, a slide rail groove is arranged on the supporting leg 17, a slide block is arranged on the height adjusting device 7, the slide block is clamped in the slide rail groove and can slide along the vertical direction, and when the slide block slides to a proper position, the position of the slide block is fixed in the slide rail groove through a pin, so that the height adjusting function is achieved.
For example, the height of the leg 17 may be set to 85 cm, and the adjustable range of the height adjusting device 7 may be set to 25 cm; or the height of the supporting legs 17 and the adjustable range of the height adjusting device 7 can be selected according to the height of an actual operator, so that the use requirements of different operators are met.
The workstation 1 in this embodiment has realized the adjustment to the workstation 1 height through height adjusting device 7, and according to the in service behavior of reality, operating personnel can adjust different heights, realizes the operation of standing or sitting, makes the working height of workstation can accord with different operating personnel's use custom.
A protective pad is laid on the upper surface 11 and provided with holes for the heating holes 111
When the workstation adopted the metal material preparation, through set up the protection pad at upper surface 11, can effectually avoid the staff to place printed circuit board 4 when producing with harder upper surface 11 and collide with, and then lead to the condemned problem of product.
The protection pad in this embodiment may be a rubber pad, and may also be other softer materials such as foam, which is not limited in this embodiment. The holes provided in the protection pad allow the heating device 2 to heat the printed circuit board 4 through the heating holes 111 on the upper surface 11 and the holes in the protection pad.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A printed circuit board service desk, comprising: the device comprises a workbench, a heating device and a dropping device; the utility model discloses a PCB structure, including workstation, heating device, dripping device, resin, the last upper surface that is used for holding printed circuit board that has of workstation, heating device sets up on the workstation, heating device is used for right printed circuit board predetermines the region and heats, the device that drips into be used for to predetermine the downthehole resin that drips into of via in the region.
2. The printed circuit board service desk of claim 1, wherein the heating device comprises a heat source, a containing cavity is arranged on the workbench, and a heating hole is arranged on the upper surface and penetrates through the containing cavity; the heat source is arranged in the accommodating cavity so as to heat the printed circuit board on the upper surface through the heating hole.
3. The printed circuit board service rack of claim 2, wherein the heat source comprises a heat gun having an air outlet disposed toward the heating aperture.
4. The PCB service desk of claim 3, further comprising a first adjusting device disposed on the workbench, the first adjusting device being electrically connected to the heat gun to adjust a heating power of the heat gun.
5. A printed circuit board access desk according to any one of claims 1-4, further comprising a ventilation device, wherein a first opening is provided on a first surface of the workbench adjacent to the upper surface, the ventilation device is disposed within the receiving cavity, and an air inlet or an air outlet of the ventilation device is disposed towards the first opening; and a second opening is formed in a second surface, adjacent to the upper surface and opposite to the first surface, of the workbench.
6. The PCB service desk of claim 5, wherein the ventilation device comprises an exhaust fan and a second adjusting device, the exhaust fan is arranged inside the accommodating cavity, the second adjusting device is electrically connected with the exhaust fan, and the second adjusting device is used for adjusting the rotating speed of the exhaust fan.
7. The printed circuit board service rack of claim 5, wherein a grid is disposed within each of the first opening and the second opening.
8. The PCB access desk of any one of claims 1-4, further comprising an illumination device and a third adjustment device, wherein the workbench is provided with an illumination bracket extending out of the upper surface, the illumination device is arranged on the illumination bracket, the illumination device is electrically connected with the third adjustment device, and the third adjustment device is used for adjusting the power of the illumination device.
9. A printed circuit board access platform according to any of claims 1-4, wherein the end of the platform facing away from the upper surface is provided with at least three legs, the bottom of each leg being provided with a height adjustment means.
10. The PCB service rack of any one of claims 1-4, wherein a protective pad is laid on the upper surface, and a hole for the heating hole is arranged on the protective pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911079734.2A CN112788861B (en) | 2019-11-07 | 2019-11-07 | Printed circuit board maintenance platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911079734.2A CN112788861B (en) | 2019-11-07 | 2019-11-07 | Printed circuit board maintenance platform |
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| CN112788861A true CN112788861A (en) | 2021-05-11 |
| CN112788861B CN112788861B (en) | 2022-06-17 |
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|---|---|---|---|---|
| JP2002265644A (en) * | 2001-03-15 | 2002-09-18 | Mitsubishi Gas Chem Co Inc | Prepreg having high filler content and printed circuit board |
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| CN108963035A (en) * | 2018-07-30 | 2018-12-07 | 安徽科技学院 | A kind of production method of the COB encapsulation photoelectric chip with lateral protection |
| CN109352121A (en) * | 2018-11-28 | 2019-02-19 | 南京信息职业技术学院 | Circuit board overhauls frock |
| CN110291152A (en) * | 2018-01-16 | 2019-09-27 | 太阳油墨制造株式会社 | Compositions of thermosetting resin, its solidfied material and printed circuit board |
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2019
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|---|---|---|---|---|
| JP2002265644A (en) * | 2001-03-15 | 2002-09-18 | Mitsubishi Gas Chem Co Inc | Prepreg having high filler content and printed circuit board |
| CN106982512A (en) * | 2017-05-22 | 2017-07-25 | 博敏电子股份有限公司 | A kind of bad reworking method of circuit board finished product welding resistance consent |
| CN110291152A (en) * | 2018-01-16 | 2019-09-27 | 太阳油墨制造株式会社 | Compositions of thermosetting resin, its solidfied material and printed circuit board |
| CN108963035A (en) * | 2018-07-30 | 2018-12-07 | 安徽科技学院 | A kind of production method of the COB encapsulation photoelectric chip with lateral protection |
| CN109352121A (en) * | 2018-11-28 | 2019-02-19 | 南京信息职业技术学院 | Circuit board overhauls frock |
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| CN112788861B (en) | 2022-06-17 |
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