CN209094993U - A kind of pin control jig of circuit main board processing - Google Patents
A kind of pin control jig of circuit main board processing Download PDFInfo
- Publication number
- CN209094993U CN209094993U CN201821518536.2U CN201821518536U CN209094993U CN 209094993 U CN209094993 U CN 209094993U CN 201821518536 U CN201821518536 U CN 201821518536U CN 209094993 U CN209094993 U CN 209094993U
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- Prior art keywords
- pin
- plate
- main board
- circuit main
- hole
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- 239000000758 substrate Substances 0.000 claims abstract description 29
- 238000003754 machining Methods 0.000 claims abstract description 20
- 238000009826 distribution Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 238000005520 cutting process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The utility model provides a kind of pin control jig of circuit main board processing, comprising: base plate carrying plate is drilled with multiple pin holes on base plate carrying plate；Multiple pins, multiple pins are plugged in pin hole correspondingly, and are interference fitted between each pin and corresponding pin hole, and pin is for positioning circuit main board substrate to be processed；Pin manages plate, one piece of corresponding at least one piece of circuit main board substrate of pin control plate, pin manages plate and is equipped with multiple pin through holes, multiple pin through holes are corresponded with each pin being fixed on base plate carrying plate, when the pin through hole of pin control plate covers on pin, maximum clearance distance value is less than the minimal tolerance value that machining circuit main board requires between the hole wall of pin through hole and the outer wall of pin.The problem of causing the circuit main board of machining to be unable to satisfy rejection rate increase caused by the dimensional tolerance range of product requirement because of the scale error of pin in the prior art is able to solve using the technical program.
Description
Technical field
The utility model belongs to the pin in electronic product machining equipment technology field more particularly to a kind of processing of circuit main board
Manage jig.
Background technique
With the continuous improvement of people's living standards, people also increasingly focus on entertainment in daily life, wherein
The mode for finding entertainment selection by using electronic equipment is more and more common, the mobile terminals such as MP3, MP4, tablet computer, mobile phone
Use popularity rate it is then higher.And it manufactures these mobile terminals and then essentially needs to manufacture the corresponding circuit master of processing
Plate, to realize the electric function of these mobile terminals.
For the manufacture processing of circuit main board, after corresponding function module circuit is built on completing substrate, set by client
It counts desired shape and machining is carried out to substrate, so that the circuit main board of the complete function needed for being formed is various with Assembling Production
Mobile terminal.During substrate carries out machining, substrate is positioned, is fixed, so that it is in the process being cut
In remain stable, so just can ensure that molding circuit main board dimensional accuracy.In the prior art, pin is being utilized
During being positioned, being fixed to substrate, after carrying out lead plug nail hole to positioning loading plate by numerically-controlled machine tool, just directly will
Pin is embedded in pin hole and fixes, and is then directly positioned by the location hole on pin and substrate, fixed substrate.However,
Inevitably there is scale error in the pin hole for directly processing formation on loading plate, when substrate is positioned, being fixed on these, there are sizes
On the pin of error continue machining when, then result in institute the cutting error of molding circuit main board the problem of so that cut
The circuit main board of machine-shaping is unable to satisfy the dimensional tolerance range of product requirement, and it is useless that such circuit main board also just becomes processing
Product increase production cost.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of pins of circuit main board processing to manage jig, purport
It is solving in the prior art because the scale error of pin causes the circuit main board of machining to be unable to satisfy the size of product requirement
The problem of rejection rate increases caused by the margin of tolerance.
In order to solve the above technical problems, the utility model is realized in this way, a kind of pin control of circuit main board processing
Jig, comprising: base plate carrying plate is drilled with multiple pin holes on base plate carrying plate；Multiple pins, multiple pins are inserted correspondingly
It is located in pin hole, and is interference fitted between each pin and corresponding pin hole, pin is for positioning circuit master to be processed
Plate substrate；Pin manages plate, one piece of corresponding at least one piece of circuit main board substrate of pin control plate, and pin manages plate equipped with multiple
Pin through hole, multiple pin through holes are corresponded with each pin being fixed on base plate carrying plate, when pin manages plate
Pin through hole cover when on pin, between the hole wall of pin through hole and the outer wall of pin maximum clearance distance value be less than cut
Cut the minimal tolerance value of processing circuit mainboard requirement.
Further, the diameter of pin is D, and the aperture of pin through hole is d, 0.02mm≤(d-D)/2≤0.03mm.
Further, the thickness of pin control plate is plugged in the free end by pin after pin hole less than or equal to pin
To the length of base plate carrying plate plate face.
Further, multiple regions, the corresponding one piece of circuit main board substrate in each region are divided on one block of pin control plate.
Further, multiple regions rectangular array is distributed.
Further, in pin control plate towards on the side of base plate carrying plate, pin manages opposite two sides of plate
Multiple evacuation notches are respectively equipped on side.
Further, multiple evacuation notches on a side are symmetrically set relative to the symmetrical center line of pin control plate
It sets.
Compared with prior art, beneficial effect is the utility model: using pin control plate in base plate carrying
The pin being installed on plate carries out detection control, after pin control plate is placed on pin, when each pin can be suitable
Sharply by pin through hole, then show that the location dimension chain for each pin being mounted on base plate carrying plate meets machining
Alignment tolerance range needed for circuit main board, in this way, just eliminating position error on the source of Position Design to circuit main board
Cutting precision influence so that the plate positioning accuracy of circuit main board is higher, then machining completion meets product requirement
Dimensional tolerance range qualified circuit main board, improve yields.
Detailed description of the invention
Fig. 1 is the decomposition texture schematic diagram of the pin control jig of the circuit main board processing of the utility model embodiment；
Fig. 2 is enlarged structure schematic diagram at A in Fig. 1；
Fig. 3 is the main view of pin control plate in the pin control jig of the circuit main board processing of the utility model embodiment
Figure；
Fig. 4 is the schematic cross-sectional view of B-B in Fig. 3；
Fig. 5 is enlarged structure schematic diagram at C in Fig. 4；
Fig. 6 is the bottom view of Fig. 3；
Fig. 7 is the three-dimensional knot of pin control plate in the pin control jig of the circuit main board processing of the utility model embodiment
Structure schematic diagram.
In the accompanying drawings, each appended drawing reference indicates:
10, base plate carrying plate；11, pin hole；20, pin；30, pin manages plate；31, pin through hole；32, evacuation lacks
Mouthful；33, auxiliary positioning hole.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or indirectly on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" is that orientation based on the figure or position are closed
System is merely for convenience of description the application and simplifies description, rather than the device or element of indication or suggestion meaning must have
Specific orientation is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present application, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
As shown in Fig. 1, Fig. 3, Fig. 6 and Fig. 7, the pin control jig of the circuit main board processing of the present embodiment includes that substrate is held
Support plate 10, pin manage plate 30 and multiple pins 20, are drilled with multiple pin holes 11 on base plate carrying plate 10, multiple pins 20 are one by one
It is accordingly plugged in pin hole 11, and is interference fitted between each pin 20 and corresponding pin hole 11, pin 20 is for fixed
Position circuit main board substrate to be processed, one piece of corresponding at least one piece of circuit main board substrate of pin control plate 30, pin manage plate 30
Multiple pin through holes 31 are equipped with, multiple pin through holes 31 and each pin 20 being fixed on base plate carrying plate 10 are one by one
It is corresponding, when 31 sets of pin through hole of pin control plate 30 on pin 20, hole wall and the pin 20 of pin through hole 31
Maximum clearance distance value is less than the minimal tolerance value that machining circuit main board requires between outer wall.
Before carrying out lead plug nail hole 11 to base plate carrying plate 10, first pin control plate 30 should be completed the process, and right
Pin manages each pin through hole 31 on plate 30 and carries out accuracy detection, so that each pin on pin control plate 30 passes through
Hole 31, which is formed by precision, can satisfy control detection demand.
In the process of machining circuit main board, by utilizing corresponding drilling tool on numerically-controlled machine tool and in numerical control
Corresponding drilling program is provided on lathe, thus to be fixed on numerically-controlled machine tool processing table top on base plate carrying plate 10 into
Then each pin 20 is plugged in pin hole 11 by row lead plug nail hole 11.At this point, being formed by the design of multiple pin holes 11
Distributed dimension be to control the location dimension chain of cutting precision of machining circuit main board ideally to be installed
At pin 20 meet the error range of design.But due to the systematic error and mismachining tolerance of numerically-controlled machine tool, so that
Inevitably there is error in the location dimension chain for the pin hole 11 processed on base plate carrying plate 10.In order to more preferably control a lot of pin
The distributed dimension in hole 11, thus the pin 20 being installed on base plate carrying plate 10 is carried out using pin control plate 30
Detection control, since maximum clearance distance value is less than machining electricity between the hole wall of pin through hole 31 and the outer wall of pin 20
The minimal tolerance value that road mainboard requires, therefore, after pin control plate 30 is placed on pin 20, when each pin 20 can
It is smoothly through pin through hole 31, then shows that the location dimension chain for each pin 20 being mounted on base plate carrying plate 10 meets
Alignment tolerance range needed for machining circuit main board.But passing through pin through hole 31 if there is individual pins 20
When be difficult to by or can not pass through, then show that the location dimension chain for each pin 20 being mounted on base plate carrying plate 10 can not
Alignment tolerance range needed for meeting machining circuit main board, then on the base plate carrying plate 10 institute's drilling processing multiple pins
Hole 11 is unqualified, which is useless plate, it is impossible to be used in the positioning of machining circuit main board uses.In this way, just existing
Influence of the position error to the cutting precision of circuit main board is eliminated on the source of Position Design, so that the plate of circuit main board is fixed
Position precision is higher, and then machining completes the qualified circuit main board for meeting the dimensional tolerance range of product requirement, improves non-defective unit
Rate.
In conjunction with referring to fig. 2, shown in Fig. 4 and Fig. 5, in the present embodiment, the diameter of pin 20 is D, pin through hole 31
Aperture is d, 0.02mm≤(d-D)/2≤0.03mm, it is preferable that (d-D)/2=0.025mm.Generally, the cutting of circuit main board
The diameter of pin 20 applied in process is 1.95mm (correspondingly, in the molding location hole of plate institute of circuit main board
Aperture be also 1.95mm), at this point, used pin control plate 30 on pin through hole 31 aperture be 2.00mm, such as
This, is when the pin 20 installed on base plate carrying plate 10 can pass through pin through hole 31, then the location dimension of pin 20
Chain error so that having carried out accurate, efficient control to the location dimension of pin 20, mentions in the range of [0mm, 0.025mm]
High position precision then provides the machining precision of circuit main board.
In the present embodiment, the multiple pins 20 being mounted on base plate carrying plate 10 are carried out using pin control plate 30
During size is managed, achieve the purpose that precision is managed in order to be more accurate, therefore, the thickness of pin control plate 30 is less than
Or the length of the free end by pin after pin hole 11 to 10 plate face of base plate carrying plate is plugged in equal to pin.So that pin 20
Pin through hole 31 can be completely passed through, at this point, operator need to only estimate or only with palm in the plate face of pin control plate 30
It carries out hand to touch, can determine whether pin whether completely by pin through hole 31, thus fastly by the feel for touching 20 end of pin
Speed judges whether the location dimension of pin 20 meets the location requirement of machining.
In order to improve the control efficiency of detection pin, in the present embodiment, as shown in figure 3, on one block of pin control plate 30
It is divided into multiple regions (intersect dotted line in figure for pin control plate 30 and be divided into four regions), the corresponding one block of electricity in each region
(one piece of circuit main board substrate is located in the relative pin 20 of base plate carrying plate 10 road motherboard substrate, at this point, in a region
Multiple pin through holes 31 are then corresponding to manage the pin 20 that one piece of circuit main board substrate is corresponded on corresponding base plate carrying plate 10).
It processes on base plate carrying plate 10 in the engineering of each pin hole 11, due to the accumulation of systematic error and mismachining tolerance, will make
The tolerance value that is formed of last accumulation becomes larger, and on base plate carrying plate 10 simultaneous processing correspond to muti-piece circuit main board substrate into
It is then more stringent for the control of the accumulated error of these pin holes 11 when the pin hole 11 of row positioning.Therefore, work as base plate carrying
Multiple circuit main board substrates are corresponded on plate 10 and carry out positioning use pin hole 11 application one piece accordingly have multiple regions and
The pin control plate 30 for carrying out primary control detection detect the location dimension chain of each pin 20, when the equal energy of all pins 20
When passing through pin through hole 31, then show that the positioning of all pins 20 not only conforms with required precision or even precision is higher.
Preferably, to simplify the distribution form that pin manages the region divided on plate 30, therefore, multiple regions are in rectangle
Array distribution.
As shown in Fig. 1, Fig. 6 and Fig. 7, in the present embodiment, in pin control plate 30 towards the one of base plate carrying plate 10
On side, multiple evacuation notches 32 are respectively equipped on opposite two sides of pin control plate 30.Specifically, more on a side
A evacuation notch 32 is symmetrical arranged relative to the symmetrical center line of pin control plate 30.When operator is right using pin control plate 30
Each pin carries out in control detection process, when pin control plate 30 is increasingly closer to the plate face of base plate carrying plate 10, passes through
Notch 32 is avoided to accommodate the finger of operation, the finger of operator is avoided to be pinched during taking and placing pin manages plate 30,
Also, when the bottom surface of pin control plate 30 is bonded with the plate face of base plate carrying plate 10 completely, by avoiding notch 32, operator
More easily pin control plate 30 lifts.
Before carrying out base plate carrying plate 10 lead plug nail hole 11 and processing, need to determine base plate carrying plate 10 by pin 20
Position and be fixed on the processing table top of numerically-controlled machine tool, therefore, on four Angle Positions of base plate carrying plate 10 by pin 20 come
Positioning.When the end of these pins 20 without departing from base plate carrying plate 10 be used to bearer circuit motherboard substrate plate face when, then without
Need to the precision to these pins 20 carry out control detection；When the end of these pins 20 is used to carry beyond base plate carrying plate 10
When the plate face of circuit main board substrate, then need using corresponding four auxiliary positioning holes 33 on pin control plate 30 to four Angle Positions
Pin 20 carry out control detection, also, for the control detection process of these pins 20 must with for positioning circuit main board
The pin 20 of substrate cooperatively forms corresponding location dimension chain precision.Therefore, for being positioned base plate carrying plate 10, being fixed on number
The pin 20 on the processing table top of lathe is controlled with the pin 20 for positioning circuit main board substrate using same model size
Pin.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (7)
1. a kind of pin of circuit main board processing manages jig characterized by comprising
Base plate carrying plate (10) is drilled with multiple pin holes (11) on the base plate carrying plate (10)；
Multiple pins (20), multiple pins (20) are plugged in correspondingly in the pin hole (11), and each described
It is interference fitted between pin (20) and the corresponding pin hole (11), the pin (20) is for positioning circuit master to be processed
Plate substrate；
Pin manages plate (30), one piece of corresponding at least one piece of circuit main board substrate of pin control plate (30), the pin
Nail control plate (30) is equipped with multiple pin through holes (31), and multiple pin through holes (31) are held with the substrate is fixed on
Each pin (20) on support plate (10) corresponds, when the pin through hole (31) of pin control plate (30)
It covers when on the pin (20), maximal clearance between the hole wall of the pin through hole (31) and the outer wall of the pin (20)
Distance value is less than the minimal tolerance value that machining circuit main board requires.
2. the pin of circuit main board as described in claim 1 processing manages jig, which is characterized in that the pin (20) it is straight
Diameter is D, and the aperture of the pin through hole (31) is d, 0.02mm≤(d-D)/2≤0.03mm.
3. the pin of circuit main board processing as claimed in claim 2 manages jig, which is characterized in that the pin manages plate
(30) thickness is less than or equal to the pin and is plugged in the free end by the pin after the pin hole (11) to described
The length of base plate carrying plate (10) plate face.
4. the pin of circuit main board processing as claimed any one in claims 1 to 3 manages jig, which is characterized in that one piece
Multiple regions, each corresponding one piece of circuit main board substrate in the region are divided on pin control plate (30).
5. the pin of circuit main board processing as claimed in claim 4 manages jig, which is characterized in that multiple regions are in square
Shape array distribution.
6. the pin of circuit main board processing as claimed in claim 5 manages jig, which is characterized in that manage plate in the pin
(30) towards on the side of the base plate carrying plate (10), set respectively on opposite two sides of pin control plate (30)
There are multiple evacuation notches (32).
7. the pin of circuit main board processing as claimed in claim 6 manages jig, which is characterized in that multiple on a side
Evacuation notch (32) is symmetrical arranged relative to the symmetrical center line of pin control plate (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821518536.2U CN209094993U (en) | 2018-09-14 | 2018-09-14 | A kind of pin control jig of circuit main board processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821518536.2U CN209094993U (en) | 2018-09-14 | 2018-09-14 | A kind of pin control jig of circuit main board processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209094993U true CN209094993U (en) | 2019-07-12 |
Family
ID=67152796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821518536.2U Expired - Fee Related CN209094993U (en) | 2018-09-14 | 2018-09-14 | A kind of pin control jig of circuit main board processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209094993U (en) |
-
2018
- 2018-09-14 CN CN201821518536.2U patent/CN209094993U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190712 |