CN215848605U - Flexible printed circuit board micropore drilling device - Google Patents
Flexible printed circuit board micropore drilling device Download PDFInfo
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- CN215848605U CN215848605U CN202121967288.1U CN202121967288U CN215848605U CN 215848605 U CN215848605 U CN 215848605U CN 202121967288 U CN202121967288 U CN 202121967288U CN 215848605 U CN215848605 U CN 215848605U
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- circuit board
- printed circuit
- flexible printed
- positioning
- drilling device
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Abstract
The utility model discloses a micropore drilling device for a flexible printed circuit board, which comprises a workbench, the flexible printed circuit board, a cover plate, a base plate and a drill clamp, four positioning groove holes which are uniformly and symmetrically distributed are dug on the upper end surface of the workbench, positioning columns are inserted in the positioning groove holes, four positioning holes matched with the outer diameters of the positioning columns are correspondingly arranged at four corners of the cover plate, the flexible printed circuit board and the backing plate from top to bottom, the backing plate, the flexible printed circuit board and the cover plate are sequentially sleeved on the positioning column from bottom to top through the positioning hole, the upper end of the cover plate is sleeved with a positioning ring, the upper end of the positioning ring is sleeved with a pressure spring, the upper end of the pressure spring is connected with a fastening nut in a threaded manner, a plurality of fixing rods with L-shaped structures are uniformly and symmetrically arranged on the outer side of the drill bit clamp in a surrounding mode, and cold air guns with adjustable air outlet angles are arranged at the lower ends of the fixing rods; the utility model has the advantages of good positioning effect and low drilling temperature.
Description
Technical Field
The utility model belongs to the technical field of flexible printed circuit board production equipment, and particularly relates to a flexible printed circuit board micropore drilling device.
Background
The aperture of the micropores of the flexible printed circuit board is small, and the quality of the processing quality of the micropores directly influences the reliability and the service life of subsequent hole wall copper plating, circuits and electronic products, so that the micropore drilling process is an important link in the production process of the flexible printed circuit board.
Various micropores of the existing flexible printed circuit board are mainly processed by mechanical drilling, in order to ensure that the drill point part is balanced by transverse acting force at the moment of drilling by a drill bit, and the drill bit is prevented from slipping obliquely, drilling auxiliary materials such as a cover plate, a base plate and the like are generally adopted for improvement during processing, but because the flexible printed circuit board has the characteristics of thinness and smoothness, the flexible printed circuit board, the cover plate and the base plate which are clamped at the upper end and the lower end of the flexible printed circuit board are easy to relatively shift during the drilling process, so that the processing precision of the position of the micropore is influenced, and if the heat generated by the flexible printed circuit board during the drilling process is not released in time, the accumulated heat is easy to cause temperature rise, and the drilling temperature is high, so that the processing quality of the micropore is seriously influenced; in order to solve the above problems, it is necessary to develop a drilling apparatus for micro-holes of a flexible printed circuit board.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide the micropore drilling device for the flexible printed circuit board, which has good positioning effect and low drilling temperature.
The purpose of the utility model is realized as follows: a micropore drilling device for a flexible printed circuit board comprises a workbench, the flexible printed circuit board, a cover plate, a base plate and a drill bit clamp, four positioning groove holes which are uniformly and symmetrically distributed are dug on the upper end surface of the workbench, positioning columns are inserted in the positioning groove holes, four positioning holes matched with the outer diameters of the positioning columns are correspondingly arranged at four corners of the cover plate, the flexible printed circuit board and the backing plate from top to bottom, the backing plate, the flexible printed circuit board and the cover plate are sequentially sleeved on the positioning column from bottom to top through the positioning hole, the upper end of the cover plate is sleeved with a positioning ring, the upper end of the positioning ring is sleeved with a pressure spring, the upper end of the pressure spring is connected with a fastening nut in a threaded manner, the outer side of the drill bit clamp is uniformly and symmetrically provided with a plurality of fixing rods with L-shaped structures in a surrounding mode, and the lower ends of the fixing rods are provided with cold air guns with adjustable air outlet angles.
Preferably, four cross limiting grooves which are arranged at the same height with the positioning groove holes are uniformly and symmetrically dug on the hole wall of the positioning groove hole, the outer ends of the limiting grooves are arranged in an open mode, and four limiting blocks matched with the limiting grooves are arranged on the lower portion of the positioning column.
Further preferably, the limiting block and the positioning column are integrally formed.
Preferably, four fixing rods with L-shaped structures are uniformly and symmetrically arranged on the outer side of the drill bit clamp in a surrounding mode.
Further preferably, the lower extreme of dead lever is equipped with and holds the spherical crown, it is equipped with rotary sphere just to hold closely the cover in the spherical crown rotary sphere is unable under the effect of gravity at least and drops in holding the spherical crown, rotary sphere's lower extreme center is connected with the cold air rifle, the cold air rifle passes through rotary sphere is in it is adjustable to hold the rotation realization angle of giving vent to anger in the spherical crown.
Still further preferably, a butterfly bolt is arranged through a side wall of the accommodating spherical cap, and the rotary sphere can be temporarily fixed in the accommodating spherical cap through the butterfly bolt.
Due to the adoption of the technical scheme, the utility model has the beneficial effects that: according to the positioning structure, the positioning groove hole, the positioning column and the positioning hole are adopted, the positioning column can sequentially sleeve the cover plate, the flexible printed circuit board and the base plate from top to bottom and then position the cover plate, the flexible printed circuit board and the base plate on the workbench, so that the flexible printed circuit board is prevented from generating transverse relative displacement during machining, meanwhile, the fastening nut and the pressure spring are matched, the fastening nut can tightly press the positioning ring through the pressure spring, and the flexible printed circuit board is prevented from generating longitudinal relative displacement during machining, so that the flexible printed circuit board is effectively positioned during machining, and the problems that the flexible printed circuit board, the cover plate and the base plate are easy to generate relative displacement during drilling and the machining precision of the micropore position is influenced are solved; according to the utility model, the cold air guns which are arranged in a surrounding manner and have adjustable air outlet angles are adopted, and the cold air flowing in multiple dimensions can timely and fully take away heat generated in the drilling process of the micro-holes, so that heat accumulation is prevented, and the problem that the accumulated heat of the flexible printed circuit board in the drilling process easily causes temperature rise and seriously affects the micro-hole processing quality is solved; in summary, the utility model has the advantages of good positioning effect and low drilling temperature.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a partially enlarged schematic view of fig. 1.
Fig. 3 is a front view schematically showing the relative position of the drill chuck, the fixing rod, the air gun, etc. according to the present invention.
Fig. 4 is a schematic top view of the table of the present invention.
Fig. 5 is a schematic front view of the positioning post of the present invention.
Fig. 6 is a schematic top view of a positioning post of the present invention.
In the figure: 1. the flexible printed circuit board comprises a workbench 2, a limiting groove 3, a limiting block 4, a backing plate 5, a flexible printed circuit board 6, a cover plate 7, a fastening nut 8, a positioning column 9, a pressure spring 10, a positioning ring 11, a drill bit clamp 12, a fixing rod 13, an accommodating spherical crown 14, a butterfly bolt 15, a rotary sphere 16, a cold air gun 17, a positioning groove hole 18 and a positioning hole.
Detailed Description
The technical scheme of the utility model is further specifically described below with reference to the accompanying drawings.
As shown in fig. 1, 2, 3, 4, 5 and 6, the present invention provides a flexible printed circuit board micro-hole drilling apparatus, which comprises a table 1, a flexible printed circuit board 5, a cover plate 6, a backing plate 4 and a drill holder 11.
The up end on the workstation 1 digs the positioning groove hole 17 that is equipped with four even symmetric distributions, it is equipped with reference column 8 to insert in the positioning groove hole 17, apron 6, the four corners from the top down one-to-one of flexible printed circuit board 5 and backing plate 4 is equipped with four locating holes 18 that match the setting of 8 external diameters of reference column, backing plate 4, flexible printed circuit board 5 and apron 6 are located the last pot head of back shroud 6 and are equipped with holding ring 10 through locating hole 18 from the bottom up in proper order, the last pot head of holding ring 10 is equipped with pressure spring 9, the last end threaded connection of pressure spring 9 has fastening nut 7.
During specific implementation, an external thread can be arranged above the upper part of the positioning column 8 and positioned in the middle of the pressure spring 9, and the external thread on the upper part of the positioning column 8 is in threaded connection with the fastening nut 7.
The outside of drill chuck 11 evenly encircles symmetrically and is equipped with the dead lever 12 of a plurality of L shape structures, and the lower extreme of dead lever 12 is equipped with the cold-blast rifle 16 of the angularly adjustable of giving vent to anger, and the function that the timely abundant release of heat can be realized better to the cold-blast rifle 16 of angularly adjustable of giving vent to anger.
Preferably, the hole wall of the positioning groove hole 17 is uniformly and symmetrically dug to form four cross limiting grooves 2 which are arranged at the same height as the positioning groove hole 17, the outer ends of the limiting grooves 2 are arranged in an open mode, the lower portion of the positioning column 8 is provided with four limiting blocks 3 matched with the limiting grooves 2, and the positioning column 8 can be better positioned through the limiting grooves 2 and the limiting blocks 3.
Further preferably, the limiting block 3 and the positioning column 8 are integrally formed, so that the structure is firm, and the service life is long.
Preferably, the fixing rods 12 with four L-shaped structures are uniformly and symmetrically arranged on the outer side of the drill bit clamp 11 in a surrounding mode, the drill bit arranged at the lower end of the drill bit clamp 11 is uniformly and symmetrically arranged through four cold air guns 16 arranged on the four fixing rods 12 in a surrounding mode, heat generated during the working process of the drill bit can be timely released in the drilling process of the drill bit, and the drilling temperature is reduced.
Further preferably, the lower extreme of dead lever 12 is equipped with and holds spherical crown 13, holds closely the cover in the spherical crown 13 and is equipped with rotary sphere 15 and at least can't drop from holding spherical crown 13 under the effect of gravity, and rotary sphere 15's lower extreme center is connected with cold air gun 16, and cold air gun 16 realizes giving vent to anger the angularly adjustable through rotary sphere 15 rotation in holding spherical crown 13.
More preferably, a butterfly bolt 14 is inserted through the side wall of the accommodating spherical crown 13, the rotary sphere 15 can be temporarily fixed in the accommodating spherical crown 13 by screwing the butterfly bolt 14, the air outlet angle of the cold air gun 16 can be adjusted by unscrewing the butterfly bolt 14, and the butterfly bolt 14 is screwed after the adjustment is completed.
When the air-conditioning device is in practical use, the positioning column 8 is inserted into the positioning groove hole 17 through the limiting groove 2 and the limiting block 3, then the backing plate 4, the flexible printed circuit board 5 and the cover plate 6 are sequentially sleeved on the positioning column 8 through the positioning hole 20, then the positioning ring 10 and the pressure spring 9 are sequentially sleeved on the positioning column 8, then the fastening nut 7 is screwed into the positioning column 8 and screwed, and then the air outlet angles of the four cold air guns 16 are sequentially adjusted through the four butterfly bolts 14, so that the air-conditioning device can be put into use; in the use process, the positioning column 8 and the fastening nut 7 can effectively position the cover plate 6, the flexible printed circuit board 5 and the base plate 4 on the workbench 1 together, so that the flexible printed circuit board 5 is prevented from displacing in the drilling process to influence the machining precision of the drilling position; in the use, four cold air guns 16 spun cold wind that even symmetry set up around the drill bit can the multidimension degree better cover in the work position of drill bit, in time fully takes away the heat that the drill bit during operation produced, effectively reduces the drilling temperature to guarantee the processingquality of drilling.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The utility model provides a flexible printed circuit board micropore drilling device, includes workstation, flexible printed circuit board, apron, backing plate and drill bit clamp, its characterized in that: the up end on the workstation digs the positioning groove hole that is equipped with four even symmetric distributions, it is equipped with the reference column to insert in the positioning groove hole, the apron flexible printed circuit board with the four corners from the top down one-to-one of backing plate is equipped with four matchings the locating hole that the reference column external diameter set up, the backing plate flexible printed circuit board with the apron passes through the locating hole from the bottom up overlaps in proper order and locates back on the reference column the last pot head of apron is equipped with the holding ring, the last pot head of holding ring is equipped with the pressure spring, the last end screw thread connection of pressure spring has fastening nut, the dead lever that is equipped with a plurality of L shape structures is encircleed to the even symmetry in outside that the drill bit pressed from both sides, the lower extreme of dead lever is equipped with the cold air gun of the angle adjustable of giving vent to anger.
2. The flexible printed circuit board micro-hole drilling device of claim 1, wherein: four limiting grooves which are crossed in a cross manner and are arranged at the same height with the positioning groove holes are uniformly and symmetrically dug in the hole wall of the positioning groove hole, the outer ends of the limiting grooves are arranged in an open mode, and four limiting blocks matched with the limiting grooves are arranged at the lower portion of the positioning column.
3. The flexible printed circuit board micro-hole drilling device of claim 2, wherein: the limiting block and the positioning column are integrally formed.
4. The flexible printed circuit board micro-hole drilling device of claim 1, wherein: the outer side of the drill bit clamp is uniformly and symmetrically provided with four fixing rods with L-shaped structures in a surrounding mode.
5. The flexible printed circuit board micro-hole drilling device of claim 4, wherein: the lower extreme of dead lever is equipped with and holds the spherical crown, it is equipped with rotary sphere just to hold closely the cover in the spherical crown rotary sphere at least can't follow under the effect of gravity hold and drop in the spherical crown, rotary sphere's lower extreme center is connected with the cold air rifle, the cold air rifle passes through rotary sphere is in it is adjustable to hold the rotation realization angle of giving vent to anger in the spherical crown.
6. The flexible printed circuit board micro-hole drilling device of claim 5, wherein: butterfly bolts penetrate through the side wall of the accommodating spherical crown, and the rotary sphere can be temporarily fixed in the accommodating spherical crown through the butterfly bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121967288.1U CN215848605U (en) | 2021-08-20 | 2021-08-20 | Flexible printed circuit board micropore drilling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121967288.1U CN215848605U (en) | 2021-08-20 | 2021-08-20 | Flexible printed circuit board micropore drilling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215848605U true CN215848605U (en) | 2022-02-18 |
Family
ID=80240948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121967288.1U Active CN215848605U (en) | 2021-08-20 | 2021-08-20 | Flexible printed circuit board micropore drilling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215848605U (en) |
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2021
- 2021-08-20 CN CN202121967288.1U patent/CN215848605U/en active Active
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