CN102223766A - Printed circuit board (PCB) positioning device and production method thereof - Google Patents
Printed circuit board (PCB) positioning device and production method thereof Download PDFInfo
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- CN102223766A CN102223766A CN2011101419644A CN201110141964A CN102223766A CN 102223766 A CN102223766 A CN 102223766A CN 2011101419644 A CN2011101419644 A CN 2011101419644A CN 201110141964 A CN201110141964 A CN 201110141964A CN 102223766 A CN102223766 A CN 102223766A
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- orange
- bakelite plate
- aluminium sheet
- pcb board
- bakelite
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Abstract
The invention discloses a printed circuit board (PCB) positioning device and a production method thereof. The PCB positioning device comprises an aluminum plate and orange bakelite plates, wherein the orange bakelite plates are filled in a hollow region in the middle of the aluminum plate; the aluminum plate and the orange bakelite plates are fixed on the surface of a processing machine through bolts; and the thickness of the orange bakelite plates is the same as that of the aluminum plate; and pins for positioning the PCB are loaded on the orange bakelite plates. The production method of the PCB positioning device comprises the following steps of: (1) processing the aluminum plate; (2) processing the orange bakelite plates; (3) fixing the aluminum plate and the orange bakelite plates; and (4) adjusting the flatness of the table surface. In the invention, a splicing positioning device is used so that the flatness of the table surface is excellent; the stable processing is implemented; the table surface is convenient and fast in replacement; and the cost is greatly reduced.
Description
Technical field
The present invention relates to a kind of pcb board boring, the positioner of moulding and production method of positioner of being used for, belong to drilling machine, perhaps the table top positioner technical field of make-up machine.
Background technology
Traditional pcb board positioner has following several:
One, a pin one groove positioner; Two, soft positioner; Three, orange bakelite plate positioner.
Fig. 1 is the structural representation of a pin one groove positioner.
As shown in Figure 1: a pin one groove positioner is exactly to fix a V-type block a1 near operator's one end on a location-plate a, and one elongated slot a2 is set at the other end, its locate mode is: at first utilize V-type block a1 to fix a pin, utilize elongated slot a2 fixing another one pin more then, thereby realize the location of pcb board, the advantage of this kind locate mode is that the replacing item number is convenient and swift, shortcoming is along with the motion of equipment in operation process, positioning accuracy is run away easily, the benchmark that needs regular calibration V-type locating piece a1 and elongated slot a2 with respect to the relative position of the main shaft of drilling machine/drag for bed in allowed limits, and the duration of runs of proofreading and correct the equipment that takies, if when in operation, in the V-type groove of V-type locating piece a1 foreign matter being arranged accidentally simultaneously, can cause the skew of location, cause product rejection.
Fig. 2 is the structural representation of soft positioner.
As shown in Figure 2: especially American-European abroad more country adopts soft positioner to carry out the pcb board locate mode, promptly adopt the thick aluminium sheet of 10mm 1 to be fixed on the drilling machine table top, on aluminium sheet 1, produce the screw hole 1a of a determining deviation then, be rotary with the screw of fixing nylon material in the screw hole 1a, the operator can directly upload pin at screw, or directly tapping on the drilling machine table top of producer arranged, place screw, this kind mode can realize flatness preferably, but the limitation of screw spacing can't satisfy the requirement of the pcb board different spacing of more item number, be not suitable for frequently switching the sample panel factory of item number, be used in the soft positioner in the PCB machining, contrast rigid positioner, need each dog screw of changing, frequent replacing screw significantly promotes cost simultaneously, has weakened competitiveness of product.
Fig. 3 is the structural representation of orange bakelite plate positioner.
As shown in Figure 3: orange bakelite plate positioner is an orange bakelite plate 2, be about to that orange bakelite plate 2 is processed into 8mm or 10mm is thick, be fixed on the table top of machine table by screw then, upload pin at orange bakelite plate 2, this mode can be random carry pin, be not subjected to the qualification in zone, can fix 3 pins, also can fix a plurality of pins, advantage with fool proof, but shortcoming is the broken needle of the good bad influence boring of the restriction that the thickness of orange bakelite plate 2 is subjected to supplier's technical merit, especially thickness evenness, plug-hole, important indicators such as Kong Wei.
More than the pluses and minuses contrast of three kinds of locate modes as following table:
Summary of the invention
In order to overcome the deficiencies in the prior art, the object of the present invention is to provide a kind of evenness is good, the replacing item number is quick, the location is accurate and save cost pcb board positioner and production method thereof.
The present invention is achieved through the following technical solutions:
A kind of pcb board positioner, it is characterized in that, comprise aluminium sheet and orange bakelite plate, the orange bakelite plate is filled in the dead zone of dragging at aluminium sheet middle part, aluminium sheet and orange bakelite plate by screw on the table top of machine table, and the orange bakelite plate is identical with the thickness of aluminium sheet, also is loaded with the pin that is used to locate pcb board on the orange bakelite plate.
Above-mentioned orange bakelite plate is two, be positioned at aluminium sheet middle part same width drag for the dead zone, wherein the area of bulk orange bakelite plate is the twice of fritter orange bakelite plate area.
And the above-mentioned orange bakelite plate and the thickness of aluminium sheet are 8mm or 10mm.
In addition, a kind of production method of pcb board positioner is characterized in that, may further comprise the steps:
(1) processing aluminium sheet: process the thick aluminium sheet of 8mm or 10mm at first as required, process at the medium position of aluminium sheet then and drag for dummy section and location hole;
(2) processing orange bakelite plate: processing 8mm or the thick orange bakelite plate of 10mm, make its thickness identical with the thickness of the described aluminium sheet of step (1), and make its size and the described aluminium sheet of step (1) to drag for dummy section corresponding, on the orange bakelite plate, process location hole then;
(3) fixedly aluminium sheet and orange bakelite plate: aluminium sheet that step (1) and step (2) are processed and orange bakelite plate are by screwing in screw on the table top of machine table in location hole;
(4) adjust the evenness of table top: utilize the evenness of the table top that aluminium sheet that instrument measurement fixes and orange bakelite plate form,, not within the limits prescribed, adopt the pad of 1-3mil to adjust if local variant.
The flatness on above-mentioned aluminium sheet and orange bakelite plate surface and the margin of tolerance of thickness thereof are ± 0.025mm.
The invention has the beneficial effects as follows: the present invention has solved the problem of poor, the easy warpage of flatness between the different orange bakelite plates effectively by the mode of aluminium sheet and the layout of orange bakelite plate, realized that different item number replacings is convenient, fast, improved one-tenth product efficient, guarantee the precision of product, and greatly reduced production cost.
Description of drawings
Fig. 1 is the structural representation of a pin one groove positioner;
Fig. 2 is the structural representation of soft positioner;
Fig. 3 is the structural representation of orange bakelite plate positioner;
Fig. 4 is the structural representation of one embodiment of the invention;
Fig. 5 is the structural representation of another embodiment of the present invention.
Main Reference numeral implication is among the figure:
A, location-plate a1, V-type block a2, elongated slot
1, aluminium sheet 1a, screw hole 2, orange bakelite plate
2a, bulk orange bakelite plate 2b, fritter orange bakelite plate 3, location hole 4, pin.
Embodiment
Below in conjunction with the drawings and specific embodiments, describe the specific embodiment of the present invention in detail:
The pcb board positioner, comprise aluminium sheet 1 and orange bakelite plate 2, orange bakelite plate 2 is filled in the dead zone of dragging at aluminium sheet 1 middle part, aluminium sheet 1 and orange bakelite plate 2 by screw on the table top of machine table, and orange bakelite plate 2 is identical with the thickness of aluminium sheet 1, also be loaded with the pin 4 that is used to locate pcb board on the orange bakelite plate 2, in the present embodiment, orange bakelite plate 2 is two, be positioned at aluminium sheet 1 middle part same width drag for the dead zone, wherein the area of bulk orange bakelite plate 2a is the twice of fritter orange bakelite plate 2b area, and the thickness of above-mentioned orange bakelite plate 2 and aluminium sheet 1 is 8mm or 10mm.
In addition, a kind of production method of pcb board positioner is characterized in that, may further comprise the steps:
(1) processing aluminium sheet 1: process the thick aluminium sheet of 8mm or 10mm 1 at first as required, process at the medium position of aluminium sheet 1 then and drag for dummy section and location hole 3;
(2) processing orange bakelite plate 2: processing 8mm or the thick orange bakelite plate 2 of 10mm, make its thickness identical with the thickness of the described aluminium sheet 1 of step (1), and make its size and the described aluminium sheet 1 of step (1) to drag for dummy section corresponding, on orange bakelite plate 2, process location hole then;
(3) fixedly aluminium sheet 1 and orange bakelite plate 2: aluminium sheet 1 that step (1) and step (2) are processed and orange bakelite plate 2 are by screwing in screw on the table top of machine table in location hole 3;
(4) adjust the evenness of table top: utilize the evenness of the table top that aluminium sheet 1 that instrument measurement fixes and orange bakelite plate 2 form,, not within the limits prescribed, adopt the pad of 1-3mil to adjust if local variant.
The flatness on above-mentioned aluminium sheet 1 and orange bakelite plate 2 surfaces and the margin of tolerance of thickness thereof are ± 1.025mm, and orange bakelite plate 2 can be two, be positioned at aluminium sheet 1 middle part same width drag for dummy section, wherein the area of bulk orange bakelite plate 2a is the twice of fritter orange bakelite plate 2b area, and the thickness of above-mentioned orange bakelite plate 2 and aluminium sheet 1 is 8mm or 10mm.
The present invention can be carried pin 4 to you by spreading at orange bakelite plate 2, and fixedly pcb board positions pcb board, and the size of orange bakelite plate 2 can change with different location spacing and directions on the work top,
The present invention has very much progress than former soft positioner on cost and locating effect:
First: the evenness aspect of location can reach the effect (contrast sees the following form) of former soft positioner
The second, descend more than 90% than former soft location being positioned to this aspect, the cost savings effect is showing:
Tentative calculation is as follows:
Common bakelite board size: 21*27inch (533*685mm)
Analyze according to common plank earth hole dimension, can use 1/6 of former bakelite plate, as shown in Figure 5: 1/6 size is 178*342mm (cutting into 1/3,2/3 two)
A '-a distance range: 13.5～27cinch can satisfy in the factory earth pitch-row from demand.
The 3rd, the cost contrast:
Calculate benchmark: according to three months, the item number number that 1/6 bakelite plate can operation calculated:
The screw number that used in 3 months calculates:
2 screws of each replacing are changed three item numbers every day, use according to bakelite plate to assess the cost in three months
30 days * of 3 classes of * of 2 * March=540 screws (270 item numbers)
280 270 item numbers that are equal to soft positioner that item number can be similar to.
The cost contrast of cost of the present invention and soft positioner is:
A slice bakelite plate is cut into 1/6 price
---------------------------------------------- *100%?=1.93%
The price of 540 screws.
Below disclose the present invention with preferred embodiment, so it is not in order to restriction the present invention, and all employings are equal to replaces or technical scheme that the equivalent transformation mode is obtained, all drops within protection scope of the present invention.
Claims (5)
1. pcb board positioner, it is characterized in that, comprise aluminium sheet and orange bakelite plate, the orange bakelite plate is filled in the dead zone of dragging at aluminium sheet middle part, aluminium sheet and orange bakelite plate by screw on the table top of machine table, and the orange bakelite plate is identical with the thickness of aluminium sheet, also is loaded with the pin that is used to locate pcb board on the orange bakelite plate.
2. pcb board positioner according to claim 1 is characterized in that, described orange bakelite plate is two, be positioned at aluminium sheet middle part same width drag for the dead zone, wherein the area of bulk orange bakelite plate is the twice of fritter orange bakelite plate area.
3. pcb board positioner according to claim 1 is characterized in that, the thickness of described orange bakelite plate and aluminium sheet is 8mm or 10mm.
4. the production method of a pcb board positioner is characterized in that, may further comprise the steps:
(1) processing aluminium sheet: process the thick aluminium sheet of 8mm or 10mm at first as required, process at the medium position of aluminium sheet then and drag for dummy section and location hole;
(2) processing orange bakelite plate: processing 8mm or the thick orange bakelite plate of 10mm, make its thickness identical with the thickness of the described aluminium sheet of step (1), and make its size and the described aluminium sheet of step (1) to drag for dummy section corresponding, on the orange bakelite plate, process location hole then;
(3) fixedly aluminium sheet and orange bakelite plate: aluminium sheet that step (1) and step (2) are processed and orange bakelite plate are by screwing in screw on the table top of machine table in location hole;
(4) adjust the evenness of table top: utilize the evenness of the table top that aluminium sheet that instrument measurement fixes and orange bakelite plate form,, not within the limits prescribed, adopt the pad of 1～3mil to adjust if local variant.
5. the production method of pcb board positioner according to claim 4 is characterized in that, the flatness on described aluminium sheet and orange bakelite plate surface and the margin of tolerance of thickness thereof are ± 0.025mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101419644A CN102223766A (en) | 2011-05-30 | 2011-05-30 | Printed circuit board (PCB) positioning device and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101419644A CN102223766A (en) | 2011-05-30 | 2011-05-30 | Printed circuit board (PCB) positioning device and production method thereof |
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| CN102223766A true CN102223766A (en) | 2011-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101419644A Pending CN102223766A (en) | 2011-05-30 | 2011-05-30 | Printed circuit board (PCB) positioning device and production method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107486892A (en) * | 2017-09-29 | 2017-12-19 | 广东兴达鸿业电子有限公司 | Pcb board drilling and positioning method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040221199A1 (en) * | 2003-04-29 | 2004-11-04 | Erenberger Dennis M. | Systems and methods for probing processor signals |
| CN201805635U (en) * | 2010-06-25 | 2011-04-20 | 东莞市道生一线路板材料有限公司 | Positioning plate for drilling holes on circuit board |
-
2011
- 2011-05-30 CN CN2011101419644A patent/CN102223766A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040221199A1 (en) * | 2003-04-29 | 2004-11-04 | Erenberger Dennis M. | Systems and methods for probing processor signals |
| CN201805635U (en) * | 2010-06-25 | 2011-04-20 | 东莞市道生一线路板材料有限公司 | Positioning plate for drilling holes on circuit board |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107486892A (en) * | 2017-09-29 | 2017-12-19 | 广东兴达鸿业电子有限公司 | Pcb board drilling and positioning method |
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Application publication date: 20111019 |