CN108772751A - Bit performance test method and automatic testing machine - Google Patents
Bit performance test method and automatic testing machine Download PDFInfo
- Publication number
- CN108772751A CN108772751A CN201810600005.6A CN201810600005A CN108772751A CN 108772751 A CN108772751 A CN 108772751A CN 201810600005 A CN201810600005 A CN 201810600005A CN 108772751 A CN108772751 A CN 108772751A
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- drilling
- drill bit
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- seat
- examination base
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- 238000012360 testing method Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000011056 performance test Methods 0.000 title claims abstract description 9
- 238000005553 drilling Methods 0.000 claims abstract description 97
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 230000007423 decrease Effects 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000037396 body weight Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- OQCFWECOQNPQCG-UHFFFAOYSA-N 1,3,4,8-tetrahydropyrimido[4,5-c]oxazin-7-one Chemical compound C1CONC2=C1C=NC(=O)N2 OQCFWECOQNPQCG-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/09—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool
- B23Q17/0995—Tool life management
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The present invention relates to the detection device of drill bit and method, specifically a kind of bit performance test method and automatic testing machine.Its bit performance test method is：Tested drill bit continuously drills to plank examination base；It keeps constant the feed pressure of drill bit in boring procedure, is often drilled through on plank examination base and change bore position behind a hole and bore next hole, and that detects each hole drills through the time；When reaching setting time and can not drill through examination base, stops drilling, tested drill bit bit performance is evaluated by the time and total quantity that calculate drilling.The present invention can accurately detect bit performance, and detection process is easy, safe efficient.
Description
Technical field
The present invention relates to the detection device of drill bit and method, specifically a kind of bit performance test method and from dynamic test
Machine.
Background technology
In drill bit products production, use, R&D process, it is often necessary to test properties of product, index of aging.
Traditional test method is typically to test drill bit in specific linear velocity（Meter per second）Or drilling speed（Rev/min）, feeding speed
Degree（Millimeter/turn）Or（Milli m/min）The indexs such as performance, service life under equal processing conditions.In this way, having the following disadvantages：
1, drill bit is using after blunt mouth or when relevant cutting parameters select unreasonable, and product on drilling machine when testing, due to by advance
Selected feed speed control, frangibility.It is likely to result in personnel or lathe is dangerous；
2, since drill bit products actual use occasion is more and more wider, especially in aviation, ship, railway and Household ornament etc.
It dramatically increases.But its product drill bit actually uses occasion much not on drilling hole machine tool, but uses the use of electric hand drill clamping
(there is no rotating speed, without feed speed, lean on handheld pressure).The data that product is tested on drilling hole machine tool in this way, with actual use
Situation, as a result, there are larger differences；
3, due to being controlled by previously selected feed speed, drill bit when cutting edge is sharp blunt with cutting edge damage, is bored when being tested on drilling machine
The time for leading to each hole, is all identical.It is not easy to check bit breakage degree, to replace green bit or reface drill bit cutting edge.
Invention content
Bit performance can be accurately detected the technical problem to be solved by the invention is to provide one kind, detection process is easy,
Safe and efficient bit performance test method and automatic testing machine.
The present invention bit performance test method be：
Clamping is carried out to tested drill bit by drill chuck and driving device, and it is driven to rotate and feed, base continuously is tried to plank
It drills；
Keep constant the feed pressure of drill bit in boring procedure, the pressure size of feeding is determined according to the specification of tested drill bit,
It is often drilled through on plank examination base and changes bore position behind a hole and bore next hole, and that detects each hole drills through the time；
When reaching setting time and can not drill through examination base, stops drilling, bored to tested by the time and total quantity that calculate drilling
Head bit performance is evaluated；The more short then drilling performance of drilling time is better, and drilling total quantity more at most bit life is longer.
The present invention the above method can the present invention drill bit automatic testing machine on realize, the drill bit automatic testing machine
Rack includes column and workbench, and vertical guide rail is provided on column, and being equipped on guide rail can be along the brill of guide rail vertical lifting
Seat is cut, the drill chuck rotated by power drive is installed on drilling seat；The drilling seat is connected with can be to the brill on drilling seat
Head feeds down the pressure mechanism for applying constant pressure；Workbench is located at below drilling seat, is equipped on workbench for positioning
Clamping plank tries the examination base fixture of base, and examination base fixture drives it to move horizontally by examination base driving motor；Energy is also equipped in rack
Enough detect the locating and detecting device of drilling seat height and position；The detection signal of locating and detecting device is connected to the inspection of a controller
Signal input part is surveyed, the control instruction output end of controller is connected in the driving circuit of examination base driving motor with control examination base folder
Tool moves horizontally.
The pressure mechanism includes the pulley mounted on the upper end of the column rotated around trunnion axis, and the drawing around pulley
Rope, the both ends of drawstring are connected on drilling seat and a weight body.The gravitational difference of drilling seat and weight body is that drill bit carries
Constant feed pressure is supplied.
The locating and detecting device is mounted in the grating scale on column.
The supporting plate of vertical lifting can be driven by lifting motor by being provided between the drilling seat and workbench, when supporting plate is held
Support may carry drilling seat vertical lifting at the bottom of drilling seat.
The lifting motor drives supporting plate lifting by screw body.
The weight body includes box body and the clump weight that is placed in box body.
Detection method includes the following steps using above-mentioned apparatus by the present invention：
A. it before on-test, by adjusting the weight of weight body, obtains and required is constantly fed pressure（Drilling seat and weight body
Weight difference）；
B. when on-test, drill bit apex point is tested far from examination base, supporting plate support drilling seat and the close examination base of drill bit rapid decrease, when
When locating and detecting device detects that drilling seat is close to examination base at a distance from setting, lifting motor rotating speed is adjusted by controller, is made
Drill bit is declined with slower speed until contact examination base；
C. apex point contact examination base rear supporting plate continues to decline a distance, is detached from drilling seat, the constant pressure that drill bit is formed in gravity
Lower beginning drilling, drilling seat falls and is contacted again with supporting plate after trying base and drilling through, after locating and detecting device detects the position
Signal is sent out to controller, controller control supporting plate support drilling seat and rises to starting position, while controlling examination base and moving horizontally
To the Working position in next hole；
The drilling process of step b- steps c is repeated, is continuously drilled on examination base, when recording the drilling in each hole by controller
Between, when not drilling through also the time that the drilling time in some hole is more than setting, stop drilling, judgement the drill bit has failed, by controlling
Device processed judges the drilling performance of drill bit and service life according to the drilling time and hole number of record.
It is an advantage of the invention that：
1, method and device of the invention uses forced feed during test drilling.The work of electric hand drill can be simulated in this way
Make condition, keep product test scene close with real use state, detection data is enable more accurately to react its cutting ability
And index of aging；Simultaneously because feed pressure is constant, avoids the fixed amount of feeding test of tradition and equipment is made when drill bit fails
At damage；
2, the lifting process of drilling seat is accurately positioned using locating and detecting device, different liftings is used to different phase
Speed both improves test efficiency, anti-forced feed contact workpiece and can also show close to " touching knife " and " plant knife " when drilling through
As reducing drill bit and the abnormal damage of equipment.
3, it can be realized by controller and automatically record drilling hole sequence and corresponding aperture drilling time, and relevant documentation can be formed
And chart, it facilitates and drill bit performance data is analyzed.
Description of the drawings
Fig. 1 is the drill bit automatic testing machine structural schematic diagram of the embodiment of the present invention.
Fig. 2 is the control system schematic diagram of the embodiment of the present invention.
Fig. 3 is the test method step schematic diagram of the embodiment of the present invention.
Specific implementation mode
As shown in Figure 1, the rack of the drill bit automatic testing machine of the present invention includes column 1 and workbench 2, it is arranged on column 1
There is vertical guide rail, is equipped with to be equipped on the drilling seat 3 of guide rail vertical lifting, drilling seat on guide rail and be revolved by power drive
The drill chuck 4 turned；Drilling seat 3 is connected with the pressure mechanism that can apply constant pressure to the drill bit Z-direction lower feeding on drilling seat
5；Workbench 2 is located at 3 lower section of drilling seat, and the examination base fixture 6 for positioning and clamping plank examination base P is equipped on workbench, tries base
Fixture 6 drives it to move horizontally by examination base driving motor 7；Determining for 3 height and position of drilling seat can be detected by being also equipped in rack
Level detecting apparatus 8；The detection signal of locating and detecting device 8 is connected to a controller 9（See Fig. 2）Detection signal input part,
The control instruction output end of controller is connected in the driving circuit of examination base driving motor 7 with horizontal the moving of control examination base fixture
It is dynamic.Examination base driving motor 7 includes the vertical shift motor that can drive examination base fixture vertical and horizontal movement and traversing motor.Forcing press
Structure 5 includes the pulley 10 mounted on the upper end of the column rotated around trunnion axis, and around the drawstring 11 of pulley, the both ends point of drawstring
It is not connected on drilling seat 3 and a weight body 12.The gravitational difference of drilling seat 3 and weight body 12 be drill bit provide it is constant
Feed pressure.Locating and detecting device 8 is mounted in the grating scale on column.Being provided between drilling seat 3 and workbench 2 can be by
Lifting motor 13 drives the supporting plate 14 of vertical lifting, and when 14 support of supporting plate is in the bottom of drilling seat 3, it is perpendicular to may carry drilling seat
Go straight up to drop.Lifting motor 13 drives supporting plate 14 to lift by screw body.Weight body 12 includes box body and is placed in box body
Clump weight can change the gravitational difference of weight body and drilling seat by increasing, clump weight, and then adjust feed pressure.
Such as Fig. 2, controller 9 uses PLC, and control stimulus part connects grating scale, by the position signal of drilling seat
It is input to controller, the control instruction output par, c of controller is separately connected lifting motor 13, examination base driving motor 7 and drilling electricity
The control loop of machine controls experiment process.
The above-mentioned apparatus detection process of the embodiment of the present invention includes the following steps：
A. it before on-test, by adjusting the weight of weight body, obtains and required is constantly fed pressure（Drilling seat and weight body
Weight difference）；
B. when on-test, drill bit apex point is tested far from examination base（As shown in a in Fig. 3）, supporting plate support drilling seat and drill bit is quick
Decline close to examination base, when locating and detecting device detects that drilling seat is close to examination base at a distance from setting, is adjusted by controller
Lifting motor rotating speed makes drill bit decline with slower speed until contact examination base（As shown in b in Fig. 3）；
C. apex point contact examination base rear supporting plate continues to decline a distance, is detached from drilling seat, the constant pressure that drill bit is formed in gravity
Lower beginning drilling（As shown in c in Fig. 3）, drilling seat falls and is contacted again with supporting plate after trying base and drilling through（Such as d institutes in Fig. 3
Show）, locating and detecting device detects sends out signal behind the position to controller, and controller control supporting plate support drilling seat and risen to
Starting position, while controlling the horizontal vertical or horizontal Working position for being moved to next hole of examination base；
The drilling process of step b- steps c is repeated, is continuously drilled on examination base, when recording the drilling in each hole by controller
Between, when not drilling through also the time that the drilling time in some hole is more than setting, stop drilling, judgement the drill bit has failed, by controlling
Device processed judges the drilling performance of drill bit and service life according to the drilling time and hole number of record.
Claims (8)
1. a kind of drill bit automatic testing machine, rack include column（1）And workbench（2）, column（1）On be provided with vertical lead
Rail, being equipped on guide rail can be along the drilling seat of guide rail vertical lifting（3）, the drill point rotated by power drive is installed on drilling seat
Head（4）；It is characterized in that：Drilling seat（3）It is connected with the pressure that can be fed down to the drill bit on drilling seat and apply constant pressure
Mechanism（5）；Workbench（2）Positioned at drilling seat（3）Lower section is equipped with the examination base folder that base is tried for positioning and clamping plank on workbench
Tool（6）, try base fixture（6）By examination base driving motor（7）Drive it to move horizontally；Drilling seat can be detected by being also equipped in rack
（3）The locating and detecting device of height and position（8）；Locating and detecting device（8）Detection signal be connected to a controller（9）Inspection
Signal input part is surveyed, the control instruction output end of controller is connected to examination base driving motor（7）Driving circuit in control examination
Base fixture moves horizontally.
2. drill bit automatic testing machine according to claim 1, it is characterized in that：Pressure mechanism（5）Including being mounted on column
The pulley rotated around trunnion axis at end（10）, and around the drawstring of pulley（11）, the both ends of drawstring are connected to drilling seat
（3）With a weight body（12）On.
3. drill bit automatic testing machine according to claim 1, it is characterized in that：Locating and detecting device（8）It is mounted in column
On grating scale.
4. drill bit automatic testing machine according to claim 1, it is characterized in that：Weight body（12）Including box body and it is placed in box
Internal clump weight.
5. drill bit automatic testing machine according to claim 1, it is characterized in that：Drilling seat（3）With workbench（2）Between be arranged
Having can be by lifting motor（13）Drive the supporting plate of vertical lifting（14）, work as supporting plate（14）Support is in drilling seat（3）Bottom when,
It may carry drilling seat vertical lifting.
6. drill bit automatic testing machine according to claim 5, it is characterized in that：Lifting motor（13）It is driven by screw body
Supporting plate（14）Lifting.
7. a kind of bit performance test method, it is characterized in that：
Clamping is carried out to tested drill bit by drill chuck and driving device, and it is driven to rotate and feed, base continuously is tried to plank
It drills；
Keep constant the feed pressure of drill bit in boring procedure, the pressure size of feeding is determined according to the specification of tested drill bit,
It is often drilled through on plank examination base and changes bore position behind a hole and bore next hole, and that detects each hole drills through the time；
When reaching setting time and can not drill through examination base, stops drilling, bored to tested by the time and total quantity that calculate drilling
Head bit performance is evaluated.
8. bit performance test method according to claim 7, it is characterized in that：Certainly using the drill bit described in claim 5
Dynamic test machine carries out bit performance experiment, includes the following steps,
A. it before on-test, by adjusting the weight of weight body, obtains and required is constantly fed pressure；
B. when on-test, drill bit apex point is tested far from examination base, supporting plate support drilling seat and the close examination base of drill bit rapid decrease, when
When locating and detecting device detects that drilling seat is close to examination base at a distance from setting, lifting motor rotating speed is adjusted by controller, is made
Drill bit is declined with slower speed until contact examination base；
C. apex point contact examination base rear supporting plate continues to decline a distance, is detached from drilling seat, the constant pressure that drill bit is formed in gravity
Lower beginning drilling, drilling seat falls and is contacted again with supporting plate after trying base and drilling through, after locating and detecting device detects the position
Signal is sent out to controller, controller control supporting plate support drilling seat and rises to starting position, while controlling examination base and moving horizontally
To the Working position in next hole；
D. the drilling process of step b- steps c is repeated, is continuously drilled on examination base, when recording the drilling in each hole by controller
Between, when not drilling through also the time that the drilling time in some hole is more than setting, stop drilling, judgement the drill bit has failed, by controlling
Device processed judges the drilling performance of drill bit and service life according to the drilling time and hole number of record.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810600005.6A CN108772751B (en) | 2018-06-12 | 2018-06-12 | Drill performance test method and automatic test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810600005.6A CN108772751B (en) | 2018-06-12 | 2018-06-12 | Drill performance test method and automatic test machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108772751A true CN108772751A (en) | 2018-11-09 |
| CN108772751B CN108772751B (en) | 2023-09-29 |
Family
ID=64024803
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| CN201810600005.6A Active CN108772751B (en) | 2018-06-12 | 2018-06-12 | Drill performance test method and automatic test machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110488691A (en) * | 2019-08-06 | 2019-11-22 | 淮安信息职业技术学院 | Drill bit tests automatic measuring and controlling circuit |
| CN110530619A (en) * | 2019-08-06 | 2019-12-03 | 淮安信息职业技术学院 | Drill bit test platform and test method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110488691A (en) * | 2019-08-06 | 2019-11-22 | 淮安信息职业技术学院 | Drill bit tests automatic measuring and controlling circuit |
| CN110530619A (en) * | 2019-08-06 | 2019-12-03 | 淮安信息职业技术学院 | Drill bit test platform and test method |
| CN110530619B (en) * | 2019-08-06 | 2021-07-20 | 淮安信息职业技术学院 | Drill bit test platform and test method |
| CN110488691B (en) * | 2019-08-06 | 2022-06-28 | 淮安信息职业技术学院 | Automatic test and control circuit for drill bit test |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108772751B (en) | 2023-09-29 |
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