CN208600790U - A kind of PCB circuit board processing bloom face milling cutters - Google Patents
A kind of PCB circuit board processing bloom face milling cutters Download PDFInfo
- Publication number
- CN208600790U CN208600790U CN201821219157.3U CN201821219157U CN208600790U CN 208600790 U CN208600790 U CN 208600790U CN 201821219157 U CN201821219157 U CN 201821219157U CN 208600790 U CN208600790 U CN 208600790U
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- CN
- China
- Prior art keywords
- sword
- circuit board
- blade group
- pcb circuit
- milling cutters
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model discloses a kind of PCB circuit board processing bloom face milling cutters, including shank and second week sword, the upper end of the shank is welded with connection handle, and the outer surface of connection handle offers the first heat release hole, the inner upper end of the first blade group is provided with pre-grinding point of a knife, and the upper end face of pre-grinding point of a knife is fixed with preformed groove, the upper end of the connection handle has been welded with first week sword, and the surface of first week sword is welded with end sword, the upper end face center of first week sword is welded with the second blade group, the first blade group interior side offers the first chip pocket, the second week sword is fixed on inside the second blade group, and second week sword side offers the second chip pocket.PCB circuit board processing bloom face milling cutters, hold the mutual cooperation of sword and the first blade group, can carry out rapid drilling polishing to PCB circuit board, avoid occurring crude situation in device drill process, increase the smoothness of hole slot, stable structure.
Description
Technical field
The utility model relates to PCB circuit board technical field, specially a kind of PCB circuit board processing bloom face milling cutters.
Background technique
Printed circuit board, also known as printed circuit board are the suppliers of electronic component electrical connection, its development is existing
More than 100 years history, its design are mainly layout design, and the major advantage using circuit board is to greatly reduce wiring and dress
The mistake matched improves the gentle productive labor rate of Automated water, can be divided into single sided board, dual platen, four layers according to the wiring board number of plies
Plate, six laminates and other multilayer circuit boards, since printed circuit board is not general end product, in the definition of title
Slightly chaotic, the printed circuit board usually said refers to that bare board, i.e., the circuit board of no upper component, substrate are generally with substrate
Insulation division is allocated as classifying, and common raw material is bakelite plate, glass mat and various plastic plate, and the manufacturer of PCB is general
All over can be with a kind of with glass fibre, the insulated part that fabric material and resin do not form, then it be pressed into epoxy resin and copper foil
Adhesive film uses.
The reason of PCB circuit board is because of material itself, and again because fixation, existing most of processing its table of milling cutter need to be punched
Face rigidity is weaker, in milling cutter and circuit board contacts drill process, is easy to appear circuit board damage situation, thus cause damages
Problem.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of PCB circuit board processing bloom face milling cutters, solves
Existing most of processing is weaker with milling cutter its surface rigidity, in milling cutter and circuit board contacts drill process, is easy to appear
Circuit board damage situation, thus the problem of causing damages.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions: a kind of PCB circuit board processing bloom facing cut
Knife, including shank and second week sword, the upper end of the shank is welded with connection handle, and the outer surface of connection handle offers first
Heat release hole, and the side of the first heat release hole is fixed with the first blade group, and the inner upper end of the first blade group is provided with pre-
It whets a knife point, and the upper end face of pre-grinding point of a knife is fixed with preformed groove, the upper end of the connection handle has been welded with first week sword, and the
The surface of one week sword is welded with end sword, and the upper end face of first week sword is reserved with the second heat release hole, first week sword
Upper end face center is welded with the second blade group, and the first blade group interior side offers the first chip pocket, described
Second week sword is fixed on inside the second blade group, and second week sword side offers the second chip pocket.
Preferably, first heat release hole is equidistantly provided with the outer surface of connection handle, and the first heat release hole is transversal
Face width numberical range is 0.05-0.1cm.
Preferably, the first blade group is mounted on the upper end face center of shank, and the first blade group and shank
It is integrated.
Preferably, the cross section of the pre-grinding point of a knife is in the cirque structure of inner hollow, and the longitudinal section of pre-grinding point of a knife
Trapezoidal structure.
Preferably, the end sword is obliquely welded on the outer surface of first week sword, and holds the inner surface and the of sword
The upper end side interior surface angular range value of one week sword is 0-30 °.
Preferably, second heat release hole about first week sword the setting of centre of surface positional symmetry there are four.
Preferably, the height number of the second blade group is higher than the height number of the first blade group, and its height difference
Range is 0.2-0.35cm.
(3) beneficial effect
The utility model provides a kind of PCB circuit board processing bloom face milling cutters.Have it is following the utility model has the advantages that
(1), PCB circuit board processing bloom face milling cutters, pass through the first heat release hole of equidistantly distributed, the first heat release hole
Cross-sectional width numberical range be 0.05-0.1cm, the structure can avoid device occur overheat condition in drill process, can
Extend the service life of blade to a certain extent.
(2), PCB circuit board processing makes pre-grinding point of a knife by the trapezoidal pre-grinding point of a knife in longitudinal section with bloom face milling cutters
It can quickly be polished circuit board slotted hole inside in device use process.
(3), PCB circuit board processing bloom face milling cutters can be right by holding the mutual cooperation of sword and the first blade group
PCB circuit board carries out rapid drilling polishing, avoids occurring crude situation in device drill process, increases the smoothness of hole slot,
Stable structure.
(4), PCB circuit board processing bloom face milling cutters make device have certain heat extraction by the second heat release hole
Effect, stable structure, the accelerated wear test situation that avoiding device overheat occurs.
(5), PCB circuit board processing bloom face milling cutters, can be played by the setting of the second blade group to hole location
The case where further positioning, avoiding the occurrence of circuit board damage caused by hole location offset.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model connection handle side structure schematic view；
Fig. 3 is the utility model pre-grinding point of a knife structural schematic diagram.
In figure: 1 shank, 2 connection handles, 3 first heat release holes, 4 first blade groups, 5 pre-grinding points of a knife, 6 preformed grooves, 7 first weeks
Sword, 8 end swords, 9 second heat release holes, 10 second blade groups, 11 first chip pockets, 12 second week swords, 13 second chip pockets.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1-3, the utility model provides a kind of technical solution: a kind of PCB circuit board processing bloom face milling cutters,
Including shank 1, connection handle 2, the first heat release hole 3, the first blade group 4, pre-grinding point of a knife 5,6, first weeks swords 7 of preformed groove, end sword 8,
Second heat release hole 9, the second blade group 10, the first chip pocket 11, second week sword 12 and the second chip pocket 13, the upper end weldering of shank 1
It is connected to connection handle 2, and the outer surface of connection handle 2 offers the first heat release hole 3, and the side of the first heat release hole 3 is fixed with
First blade group 4, the first heat release hole 3 is equidistantly provided with the outer surface of connection handle 2, and the cross section of the first heat release hole 3 is wide
Degree numberical range is 0.05-0.1cm, which can avoid device and occur overheat condition in drill process, can be to a certain degree
The upper service life for extending blade, the inner upper end of the first blade group 4 are provided with pre-grinding point of a knife 5, and the upper end table of pre-grinding point of a knife 5
Face is fixed with preformed groove 6, and the first blade group 4 is mounted on the upper end face center of shank 1, and the first blade group 4 and shank 1
It is integrated, stable structure can effectively avoid device and occur front end crack conditions in use, pre-grinding point of a knife 5
Cross section is in the cirque structure of inner hollow, and the trapezoidal structure in longitudinal section of pre-grinding point of a knife 5 is pre- in device use process
Point 5 of whetting a knife can polish to circuit board slotted hole inside, and the upper end of connection handle 2 has been welded with first week sword 7, and first week sword 7
Surface be welded with end sword 8, and the upper end face of first week sword 7 is reserved with the second heat release hole 9, the oblique welding of end sword 8
In the outer surface of first week sword 7, and hold the inner surface of sword 8 and the upper end side interior surface angular range value of first week sword 7
It is 0-30 °, by holding the mutual cooperation of sword 8 and the first blade group 4, rapid drilling polishing can be carried out to PCB circuit board, avoided
Occur crude situation in device drill process, increases the smoothness of hole slot, stable structure, the second heat release hole 9 was about first week
There are four the centre of surface positional symmetry settings of sword 7, which has certain heat extraction effect, stable structure, avoiding device mistake
The accelerated wear test situation that heat occurs, the upper end face center of first week sword 7 is welded with the second blade group 10, the first blade group
4 interior sides offer the first chip pocket 11, and second week sword 12 is fixed on inside the second blade group 10, and 12 side of second week sword
The second chip pocket 13 is offered, the height number of the second blade group 10 is higher than the height number of the first blade group 4, and its difference in height
Value range is 0.2-0.35cm.
In use, prevent firstly the need of by the device using position, staff can again by shank 1 and external devices into
Row connects, and after stable connection, external devices is connect by power supply line with external power supply, the PCB circuit board punched will be needed to put
It sets in operating table surface, staff can hold the bore position that external devices are needed using the device alignment of front end installation, really
Be positioned and postpone, external devices are opened by & off switch, the motor internals of external devices can by shaft to the device into
Second blade group 10 of the device interior forward end when needing to drill to PCB circuit board, is directed at the center for needing to punch by row driving
The setting of position, the second blade group 10 can play the further positioning to hole location, avoid the occurrence of circuit caused by hole location offset
The case where plate damages, stable structure, the second blade group 10 quickly splits PCB circuit board after unlatching, at this time pushes external devices,
The first blade group 4 contacts with each other with PCB circuit board during pushing, which can carry out dilatation to hole site out, and by vertical
The trapezoidal pre-grinding point of a knife 5 in section, beat pre-grinding point of a knife 5 can quickly circuit board slotted hole inside in device use process
Mill, and the mutual cooperation of the end sword 8 and the first blade group 4 of side installation, can effectively avoid occurring in device drill process
Crude situation increases the smoothness of hole slot, and stable structure, by the first heat release hole 3 of side equidistantly distributed, avoiding device exists
Occur overheat condition in drill process, extends the service life of blade, the acceleration that avoiding device overheat occurs to a certain extent
Abrasion, such a PCB circuit board processing bloom face milling cutters can be used by demander well.
It can to sum up obtain, PCB circuit board processing bloom face milling cutters, by the first heat release hole 3 of equidistantly distributed, first
The cross-sectional width numberical range of heat release hole 3 is 0.05-0.1cm, which can avoid device and overheat in drill process
Situation can extend the service life of blade, and the pre-grinding point of a knife 5 trapezoidal by longitudinal section to a certain extent, make pre- sharpening
Point 5 can quickly polish to circuit board slotted hole inside in device use process, and hold the phase of sword 8 and the first blade group 4
Mutually cooperation can carry out rapid drilling polishing to PCB circuit board, avoid occurring crude situation in device drill process, increase
The smoothness of hole slot, stable structure, while by the second heat release hole 9 make device have certain heat extraction effect, stable structure,
The accelerated wear test situation that avoiding device overheat occurs, the setting of the second blade group 10 can play the further positioning to hole location,
The case where avoiding the occurrence of circuit board damage caused by hole location offset.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of PCB circuit board processing bloom face milling cutters, including shank (1) and second week sword (12), it is characterised in that: described
The upper end of shank (1) is welded with connection handle (2), and the outer surface of connection handle (2) offers the first heat release hole (3), and the
The side of one heat release hole (3) is fixed with the first blade group (4), and the inner upper end of the first blade group (4) is provided with pre- sharpening
Sharp (5), and the upper end face of pre-grinding point of a knife (5) is fixed with preformed groove (6), the upper end of the connection handle (2) has been welded with first
Zhou Ren (7), and first week sword (7) surface be welded with end sword (8), and first week sword (7) upper end face be reserved with second
Heat release hole (9), the upper end face center of first week sword (7) are welded with the second blade group (10), first blade
Group (4) interior side offers the first chip pocket (11), and the second week sword (12) is fixed on the second blade group (10) inside, and
Second week sword (12) side offers the second chip pocket (13).
2. a kind of PCB circuit board processing bloom face milling cutters according to claim 1, it is characterised in that: described first dissipates
Hot hole (3) is equidistantly provided with the outer surface of connection handle (2), and the cross-sectional width numberical range of the first heat release hole (3) is
0.05-0.1cm。
3. a kind of PCB circuit board processing bloom face milling cutters according to claim 1, it is characterised in that: first knife
Sword group (4) is mounted on the upper end face center of shank (1), and the first blade group (4) is integrated with shank (1).
4. a kind of PCB circuit board processing bloom face milling cutters according to claim 1, it is characterised in that: the pre- sharpening
The cross section of sharp (5) is in the cirque structure of inner hollow, and the trapezoidal structure in longitudinal section of pre-grinding point of a knife (5).
5. a kind of PCB circuit board processing bloom face milling cutters according to claim 1, it is characterised in that: the end sword (8)
Obliquely be welded on first week sword (7) outer surface, and end sword (8) inner surface and first week sword (7) upper end side
Interior surface angular range value is 0-30 °.
6. a kind of PCB circuit board processing bloom face milling cutters according to claim 1, it is characterised in that: described second dissipates
Hot hole (9) about first week sword (7) centre of surface positional symmetry setting there are four.
7. a kind of PCB circuit board processing bloom face milling cutters according to claim 1, it is characterised in that: second knife
The height number of sword group (10) is higher than the height number of the first blade group (4), and its height difference range is 0.2-0.35cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821219157.3U CN208600790U (en) | 2018-07-31 | 2018-07-31 | A kind of PCB circuit board processing bloom face milling cutters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821219157.3U CN208600790U (en) | 2018-07-31 | 2018-07-31 | A kind of PCB circuit board processing bloom face milling cutters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208600790U true CN208600790U (en) | 2019-03-15 |
Family
ID=65671014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821219157.3U Expired - Fee Related CN208600790U (en) | 2018-07-31 | 2018-07-31 | A kind of PCB circuit board processing bloom face milling cutters |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208600790U (en) |
-
2018
- 2018-07-31 CN CN201821219157.3U patent/CN208600790U/en not_active Expired - Fee Related
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Legal Events
| 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: 20190315 Termination date: 20200731 |