CN105127924A - Clamp used for tool wear detection - Google Patents
Clamp used for tool wear detection Download PDFInfo
- Publication number
- CN105127924A CN105127924A CN201510604053.9A CN201510604053A CN105127924A CN 105127924 A CN105127924 A CN 105127924A CN 201510604053 A CN201510604053 A CN 201510604053A CN 105127924 A CN105127924 A CN 105127924A
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- bolt
- turntable
- base
- cutter
- support
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention provides a clamp used for tool wear detection, belongs to the field of tool detection devices, and relates to the clamp used for tool detection. The clamp is suitable for devices used for wear detection on tools for machining holes in carbon fiber reinforced composites. The clamp is composed of a tool clamping assembly, a support assembly, a rotating table assembly and a displacement working table assembly. A tool is accurately positioned and clamped through the tool clamping assembly. By means of the clamp, the small-range horizontal movement of a displacement working table in the X-Y plane is achieved in a manual mode, and rotation of three rotation assemblies in three axis directions is achieved in a manual mode. In the tool clamping assembly, a base is of a structure shaped like a Chinese character 'shan', a circular protrusion is arranged at the center of the base, circular holes are machined in the upper portions of the left side wall and the right side wall of the base respectively, annularly-carved base left side angle scales are formed in the top of the left side wall, and annularly-carved base right side angle scales are formed in the top of the right side wall. The clamp is simple in structure and convenient to operate, and the good measurement device is provided for accurate detection on tool wear.
Description
Technical field
The invention belongs to Tool monitoring apparatus field, relate to a kind of fixture for Tool monitoring, be particularly suitable for carbon fibre reinforced composite drilling process tool wear detector.
Background technology
At present, carbon fibre reinforced composite, because of its lightweight, specific strength advantages of higher, is widely used in manufacturing various structural member in aerospace field, because the assembling between structural member needs, and must by a large amount of high-quality connecting hole of machining manufacture.But carbon fiber has high abrasion, in processing, mechanical scratching effect causes the Co binding agent in hard alloy cutter damaged, carbide alloy crystal grain leaks outside and exacerbates cutter body by the process of peeling off, final at Cyclic Load bottom tool Fast Wearing, be embodied in cutting edge rounding and wear of the tool flank.Blade passivation causes the sharp degree of cutter to decline, and is unfavorable for cut staple, easily occurs the defects such as outlet burr during drilling; Wear of the tool flank makes to rub between rear knife face and machined surface to aggravate, and heat production is more, makes that carbon fibre reinforced composite matrix is softening in advance causes fiber to be not easily cut off, in addition wear of the tool flank to a certain extent after process can be caused to vibrate.In sum, tool wear has a strong impact on crudy, thus tool wear is studied significant, tool wear monitoring is the important step in Research of Cutting Tool Wear, no matter be that contact or contactless professional knife wear detecting method all need special fixture to fix cutter, adjustment cutter, to suitable observation position and angle, ensures the degree of accuracy and the repeatability of abrasion detection.
At present, the adjustable free degree of fixture both at home and abroad for tool wear monitoring is few, and major part needs to coordinate the special equipment adaptive with fixture itself to measure, poor universality.As the Rotation-Grip rolling clamp that Austrian Alicona company produces, can be used for the detection of Tool in Cutting sword passivation, this product has diaxon rotary freedom, due to grip size reason, when the IF-EDGEMASTER Tool monitoring contourgraph produced with the said firm with the use of time, just can obtain detection optimal effectiveness.Disclose in domestic patent of invention CN201310180982.2 " a kind of fixture for tool wear monitoring ", this fixture adopts the cooperation of two mobile devices and two rotating mechanisms, reliable clamping is carried out to the handle of a knife of cutter, realizes the multi-faceted observation to cutter, ensure the accuracy measured.But this fixture is subject to the restriction of axial freedom equally, the cutting-tool wear state omnibearing observation that three axles rotate cannot be realized.
Summary of the invention
The technical barrier that the present invention will solve overcomes existing apparatus poor universality, cannot realize planar translation simultaneously and in three direction of principal axis rotations, the defect that can not complete the comprehensive detection of tool wear, invents a kind of fixture for tool wear monitoring.This device realizes displacement work table planar translational motion among a small circle manually, by the cooperation of three rotating mechanisms, realize three axial rotary motions, and cutter is accurately located, clamping to adopt cutter chuck to realize, accurately detect provide good measurement mechanism for realizing tool wear.
The technical solution used in the present invention is a kind of fixture for tool wear monitoring, it is characterized in that, fixture is made up of cutter clamping assembly, bracket component, Turntable Assemblies and displacement work table assembly; Fixture adopts cutter clamping assembly to realize, and cutter is accurately located, clamping; Fixture be realize manually displacement work table in X, Y plane among a small circle translational motion and three rotating mechanisms three axial rotations;
In described cutter clamping assembly, base 1 structure is chevron, base 1 central part has boss to rise, and base 1 arranged on left and right sides wall top is processed with circular hole respectively, angle index F on the right side of the chassis left side angle index E that arranged on left and right sides wall top has ring to carve respectively, base; Rotating shaft 23 is arranged in base 1 by two deep groove ball bearings 24, left back-up ring 22 is arranged on deep groove ball bearing 24 left side on rotating shaft 23 left side, right back-up ring 25 is arranged on deep groove ball bearing 24 right side on rotating shaft 23 right side, and embeds in base 1, carries out spacing respectively to deep groove ball bearing 24; Shaft coupling 27 and rotating shaft 23 are linked and packed by key 26, and shaft coupling 27 is fixedly connected with by coupling bolt 28 with cutter rotating disc 4; Chuck 6 inserts in the taper hole B of cutter rotating disc 4, and catch 7 is arranged on cutter rotating disc 4 by catch bolt 5, carries out spacing fastening to chuck 6; Cutter rotating disc bolt 8 is screwed in the screwed hole of cutter rotating disc 4, cutter rotating disc 4 is carved with rotating disk angle index telltale mark C, base 1 central part boss plays outer shroud and is carved with base angle index D, and rotating disk bolt 8 plays the effect of location between base 1 and cutter rotating disc 4;
Bracket component is made up of left side bearing pin 2, right side bearing pin 9, support 11, the left bolt of support 3, the right bolt 10 of support, support bracket bolt 20; Cutter clamping assembly is arranged in the axis hole of bracket component medium-height trestle 11 by left side bearing pin 2, right side bearing pin 9, the right bolt 10 of the left bolt of support 3, support is screwed in the bolt hole of support 11, for the axial-rotation position of fixed cutting tool clamping device, angle index telltale mark H on the right side of angle index telltale mark G, support is carved with on the left of support at top, support 11 two sides respectively, angle index F on the right side of the chassis left side angle index E coordinating base 1 liang of side ring to carve, base, realizes angle index location; Support 11 is fixed on displacement work table top offset plate 12 by support bracket bolt 20;
In displacement table assembly, workbench top offset plate 12, workbench bottom offset plate 17 insert in the groove of table base 13 correspondence respectively, and manual push work platform top offset plate 12, workbench bottom offset plate 17 realize the rectilinear motion along X, Y-direction; Under workbench, on bolt 14, workbench, bolt 19 is screwed in the bolt hole of table base 13 correspondence respectively, for being fixed along the position of X, Y-direction workbench top offset plate 12, workbench bottom offset plate 17;
In Turntable Assemblies, turntable upper end cover 18 is fixedly connected with workbench bottom offset plate 17 by turntable bolt 21; Turntable deep groove ball bearing 29 loads in the centre bore of turntable bottom end cover 16, turntable upper end cover 18 is assembled with turntable bottom end cover 16 phase by turntable deep groove ball bearing 29, turntable upper end cover 18 is carved with upper end cover angle index telltale mark J, turntable bottom end cover 16 ring is carved with turntable angle index K, turntable bolt 15 is screwed in turntable bottom end cover 16 screwed hole, for being fixed the relative position of turntable upper end cover 18, turntable bottom end cover 16; Hand rotation turntable upper end cover 18 realizes grip device and rotates around Z axis.
The invention has the beneficial effects as follows: this invention realizes displacement work table manually translational motion and three rotating mechanisms are three axial rotations among a small circle in X, Y plane, and clamp structure is simple, easy to operate.For carrying out specific aim measurement to composite drilling process tool abrasion condition, carry out clamping by chuck to cutter, chuck is directly installed on fixture, avoids cutter and repeatedly dismantles; The axial rotary freedom of X, Y, Z tri-can be realized by turntable, holder device, cutter clamping device, can complete and swing at any angle, two-dimensional freedom in plane is realized by displacement work table is auxiliary, these functions enable this fixture be moved to the blade part position in complex cutting tool structure in observation visual field, thus help to complete wearing and tearing observation mission in high quality.This fixture achieves the accurate localization and clamping of cutter, and clamp structure is simple, easy to operate.
Accompanying drawing explanation
Fig. 1 is clamp shaft side view, and Fig. 2 is graduation apparatus diagram in cutter clamping assembly, and Fig. 3 is cutter clamping assemble cross-section, and Fig. 4 is Turntable Assemblies scheme of installation, and Fig. 5 is Turntable Assemblies partial sectional view.
Wherein, 1-base, 2-left side bearing pin, the left bolt of 3-support, 4-cutter rotating disc, 5-catch bolt, 6-chuck, 7-catch, 8-rotating disk bolt, 9-right side bearing pin, the right bolt of 10-support, 11-support, 12-workbench top offset plate, 13-table base, bolt under 14-workbench, 15-turntable bolt, 16-turntable bottom end cover, 17-workbench bottom offset plate, 18-turntable upper end cover, bolt on 19-workbench, 20-support bracket bolt, 21-turntable bolt, 22-left back-up ring, 23-device rotating shaft, 24-deep groove ball bearing, 25-right back-up ring, 26-key, 27-shaft coupling, 28-coupling bolt, 29-turntable deep groove ball bearing, B is the taper hole of cutter rotating disc 4, C is rotating disk angle index telltale mark, D is base angle index, E is chassis left side angle index, F is angle index on the right side of base, angle index telltale mark on the left of G support, H is angle index telltale mark on the right side of support, J is upper end cover angle index telltale mark, K is turntable angle index.
Fig. 6 wear of the tool flank test result figure, Fig. 7 cutting edge rounding test result figure.
Detailed description of the invention
Specific embodiment of the invention is described in detail below in conjunction with accompanying drawing and technical scheme.
Embodiment realizes displacement work table manually translational motion and three rotating mechanisms are three axial rotations among a small circle in X, Y plane, and cutter is accurately located, clamping to adopt cutter chuck to realize.The concrete structure of fixture as shown in Figure 1, Turntable Assemblies is arranged on below the workbench bottom offset plate 17 in displacement work table assembly by turntable bolt 21, bracket component is arranged on above the workbench top offset plate 12 in displacement work table assembly by 4 support bracket bolts 20, cutter clamping assembly is arranged on the support 11 in bracket component by left and right side bearing pin 2,9; Support 11 axis hole and left side bearing pin 2, right side bearing pin 9 ensure matched in clearance, and base 1 axis hole and left side bearing pin 2, right side bearing pin 9 ensure interference fit.
Accompanying drawing 2,3 illustrates the concrete structure of cutter clamping assembly, rotating shaft 23 is arranged in base 1 by two, left and right deep groove ball bearing 24, rotating shaft 23 right-hand member is connected with shaft coupling 27 by key 26, shaft coupling 27 is undertaken fastening by 3 coupling bolts 28 and cutter rotating disc 4, and cutter rotating disc 4 is located by rotating disk bolt 8.Position on base 1 opposite brackets 11 in manual adjustment cutter clamping assembly, namely have adjusted the rotational angle of cutter clamping assembly, by the left bolt of support 3 and support right bolt 10 positioning and locking.
Accompanying drawing 4,5 indicates the concrete structure of Turntable Assemblies, and hand rotation turntable upper end cover 18 realizes grip device and rotates around Z axis.Turntable upper end cover 18 is carved with upper end cover angle index telltale mark J, turntable bottom end cover 17 ring is carved with turntable angle index K, turntable bolt 15 is screwed in turntable bottom end cover 16 screwed hole, for being fixed the relative position of turntable upper end cover 18, turntable bottom end cover 16, after adjusting, position with turntable bolt 15.
Specific embodiment of the invention process is:
1) loaded in chuck 6 by tested cutter, inserted by chuck 6 in the taper hole B of cutter rotating disc 4, catch 7 is arranged on cutter rotating disc 4 by two bolts 5, carries out spacing fastening to chuck 6;
2) a whole set of fixture is placed on super depth-of-field microscope workbench, first low enlargement ratio is used to observe, manual push work platform top offset plate 12, workbench bottom offset plate 17 adjust displacement work table X, the Y-direction displacement of fixture, and the position that cutter will be observed is moved to visual field central authorities;
3) manual rotation cutter rotating disc 4, base 1 and turntable, correct position is adjusted at the blade position that will observe.Cutter rotating disc 4 is located by rotating disk bolt 8, and the position on base 1 opposite brackets 11 manually in adjustment cutter clamping assembly, namely have adjusted the rotational angle of cutter clamping assembly, by the left bolt of support 3 and support right bolt 10 positioning and locking.Lock bolt 19 on bolt 14 under workbench, workbench again, fixed the position of displacement work table X, Y-direction, Turntable Assemblies position is fixed by locking turntable bolt 15; Observation, the record of tool wear situation is completed under the suitable enlargement ratio of super depth-of-field microscope.
Concrete test result of the present invention is as follows:
(1) wear of the tool flank test tool wear of the tool flank test result as shown in Figure 6, and obvious rib band has appearred in rear knife face, and tool flank wear Direct Mark is in picture.
(2) cutting edge rounding test tool cutting edge rounding situation test result as shown in Figure 7, by the three-dimensional complex functionality of the super depth of field, records the three-D profile of Tool in Cutting sword, after projecting to two dimensional surface, can obtain cutting edge blade tip wearing and tearing passivation situation.
The measurement of composite drilling process tool abrasion condition specific aim, record can be completed by the present invention; Chuck is directly installed on fixture, carries out clamping by chuck to cutter, avoids cutter unloading process repeatedly.Cutter is accurately located, clamping to utilize this fixture to realize, and accurately detects provide good measurement mechanism for realizing tool wear.
Claims (1)
1. for a fixture for tool wear monitoring, it is characterized in that, fixture is made up of cutter clamping assembly, bracket component, Turntable Assemblies and displacement work table assembly; Fixture adopts cutter clamping assembly to realize, and cutter is accurately located, clamping; Fixture be realize manually displacement work table in X, Y plane among a small circle translational motion and three rotating mechanisms three axial rotations;
In described cutter clamping assembly, base (1) structure is chevron, base (1) central part has boss to rise, wall top, base (1) left and right sides is processed with circular hole respectively, angle index (F) on the right side of the chassis left side angle index (E) that arranged on left and right sides wall top has ring to carve respectively, base; Rotating shaft (23) is arranged in base (1) by two deep groove ball bearings (24), left back-up ring (22) is arranged on deep groove ball bearing (24) left side on rotating shaft (23) left side, right back-up ring (25) is arranged on deep groove ball bearing (24) right side on rotating shaft (23) right side, and embed in base (1), carry out spacing to deep groove ball bearing (24) respectively; Rotating shaft (23) right-hand member and shaft coupling (27) are linked and packed by key (26), and shaft coupling (27) is fixedly connected with by coupling bolt (28) with cutter rotating disc (4); Chuck (6) inserts in the taper hole (B) of cutter rotating disc (4), catch (7) is arranged on cutter rotating disc (4) by catch bolt (5), carries out spacing fastening to chuck (6); Cutter rotating disc bolt (8) is screwed in the screwed hole of cutter rotating disc (4), cutter rotating disc (4) is carved with rotating disk angle index telltale mark (C), base (1) central part boss plays outer shroud and is carved with base angle index (D), and rotating disk bolt (8) plays the effect of location between base (1) and cutter rotating disc (4);
Bracket component is made up of left side bearing pin (2), right side bearing pin (9), support (11), the left bolt of support (3), the right bolt of support (10), support bracket bolt (20), cutter clamping assembly is by left side bearing pin (2), right side bearing pin (9) is arranged in the axis hole of bracket component medium-height trestle (11), the left bolt of support (3), the right bolt of support (10) is screwed in the bolt hole of support (11), for the axial-rotation position of fixed cutting tool clamping device, angle index telltale mark (G) on the left of support is carved with at top, support 11 two sides respectively, angle index telltale mark (H) on the right side of support, coordinate the chassis left side angle index (E) that base (1) two side ring is carved, angle index (F) on the right side of base, realize angle index location, support (11) is fixed on displacement work table top offset plate (12) by support bracket bolt (20),
In displacement table assembly, workbench top offset plate (12), workbench bottom offset plate (17) insert in groove corresponding to table base (13) respectively, and manual push work platform top offset plate (12), workbench bottom offset plate (17) realize the rectilinear motion along X, Y-direction; Under workbench, on bolt (14), workbench, bolt (19) is screwed in bolt hole corresponding to table base (13) respectively, for being fixed along the position of X, Y-direction workbench top offset plate (12), workbench bottom offset plate (17);
In Turntable Assemblies, turntable upper end cover (18) is fixedly connected with workbench bottom offset plate (17) by turntable bolt (21); Turntable deep groove ball bearing (29) loads in turntable bottom end cover (16), turntable upper end cover (18) is assembled mutually by turntable deep groove ball bearing (29) and turntable bottom end cover (16), turntable upper end cover (18) is carved with upper end cover angle index telltale mark (J), turntable bottom end cover (17) ring is carved with turntable angle index (K), turntable bolt (15) is screwed in turntable bottom end cover (16) screwed hole, for being fixed the relative position of turntable upper end cover (18), turntable bottom end cover (16); Hand rotation turntable upper end cover (18) realizes grip device and rotates around Z axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510604053.9A CN105127924B (en) | 2015-09-19 | 2015-09-19 | A kind of fixture for tool wear monitoring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510604053.9A CN105127924B (en) | 2015-09-19 | 2015-09-19 | A kind of fixture for tool wear monitoring |
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| CN105127924A true CN105127924A (en) | 2015-12-09 |
| CN105127924B CN105127924B (en) | 2017-01-04 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105783724A (en) * | 2016-04-26 | 2016-07-20 | 盐城工学院 | Clamp used for cutter edge measurement under laser confocal scanning microscopy |
| CN106735496A (en) * | 2016-12-12 | 2017-05-31 | 哈尔滨理工大学 | A kind of auxiliary laser marking machine is that knife face adds the milling fixture of micro- texture after rose cutter |
| CN107538277A (en) * | 2017-09-28 | 2018-01-05 | 桂林福达齿轮有限公司 | A kind of spiral bevel gear tool section angular adjustment device |
| CN108152126A (en) * | 2017-12-13 | 2018-06-12 | 哈尔滨理工大学 | A kind of adjustable High-speed Friction Wear Testing Machine fixture |
| CN108436855A (en) * | 2018-03-13 | 2018-08-24 | 哈尔滨理工大学 | A kind of rose cutter tool wear monitoring fixture |
| CN109282796A (en) * | 2018-10-26 | 2019-01-29 | 哈尔滨理工大学 | A kind of quick horizontal location measurement accessory of turning steep-pitch thread lathe tool wear surface |
| CN109277961A (en) * | 2018-08-29 | 2019-01-29 | 南京理工大学 | Microsphere surface defects detection overturns auxiliary device |
| CN109946152A (en) * | 2019-04-29 | 2019-06-28 | 大连理工大学 | A kind of tool in cutting sword abrasion detection fixture |
| CN111618753A (en) * | 2019-12-06 | 2020-09-04 | 中国地质大学（武汉） | Variable-diameter clamp of horizontal landslide displacement detector and using method thereof |
| CN113146502A (en) * | 2021-03-19 | 2021-07-23 | 天臣新能源（渭南）有限公司 | Slitting knife detects frock clamp |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105783724A (en) * | 2016-04-26 | 2016-07-20 | 盐城工学院 | Clamp used for cutter edge measurement under laser confocal scanning microscopy |
| CN106735496A (en) * | 2016-12-12 | 2017-05-31 | 哈尔滨理工大学 | A kind of auxiliary laser marking machine is that knife face adds the milling fixture of micro- texture after rose cutter |
| CN107538277A (en) * | 2017-09-28 | 2018-01-05 | 桂林福达齿轮有限公司 | A kind of spiral bevel gear tool section angular adjustment device |
| CN108152126A (en) * | 2017-12-13 | 2018-06-12 | 哈尔滨理工大学 | A kind of adjustable High-speed Friction Wear Testing Machine fixture |
| CN108436855A (en) * | 2018-03-13 | 2018-08-24 | 哈尔滨理工大学 | A kind of rose cutter tool wear monitoring fixture |
| CN109277961A (en) * | 2018-08-29 | 2019-01-29 | 南京理工大学 | Microsphere surface defects detection overturns auxiliary device |
| CN109277961B (en) * | 2018-08-29 | 2020-06-05 | 南京理工大学 | Microsphere surface defect detection overturning auxiliary device |
| CN109282796A (en) * | 2018-10-26 | 2019-01-29 | 哈尔滨理工大学 | A kind of quick horizontal location measurement accessory of turning steep-pitch thread lathe tool wear surface |
| CN109946152A (en) * | 2019-04-29 | 2019-06-28 | 大连理工大学 | A kind of tool in cutting sword abrasion detection fixture |
| CN109946152B (en) * | 2019-04-29 | 2020-04-07 | 大连理工大学 | Cutter cutting edge abrasion detection clamp |
| CN111618753A (en) * | 2019-12-06 | 2020-09-04 | 中国地质大学（武汉） | Variable-diameter clamp of horizontal landslide displacement detector and using method thereof |
| CN111618753B (en) * | 2019-12-06 | 2023-01-03 | 中国地质大学（武汉） | Using method of diameter-variable clamp of horizontal landslide displacement detector |
| CN113146502A (en) * | 2021-03-19 | 2021-07-23 | 天臣新能源（渭南）有限公司 | Slitting knife detects frock clamp |
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