CN107263129A - A kind of cover-plate type drill jig for processing circuit breaker base radial equipartition hole - Google Patents

A kind of cover-plate type drill jig for processing circuit breaker base radial equipartition hole Download PDF

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Publication number
CN107263129A
CN107263129A CN201710636698.XA CN201710636698A CN107263129A CN 107263129 A CN107263129 A CN 107263129A CN 201710636698 A CN201710636698 A CN 201710636698A CN 107263129 A CN107263129 A CN 107263129A
Authority
CN
China
Prior art keywords
circuit breaker
base
breaker base
cover
cover plate
Prior art date
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.)
Pending
Application number
CN201710636698.XA
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Chinese (zh)
Inventor
屠春娟
周捷
张朦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Vocational Institute of Industrial Technology
Original Assignee
Suzhou Vocational Institute of Industrial Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Suzhou Vocational Institute of Industrial Technology filed Critical Suzhou Vocational Institute of Industrial Technology
Priority to CN201710636698.XA priority Critical patent/CN107263129A/en
Publication of CN107263129A publication Critical patent/CN107263129A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q1/00Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25Movable or adjustable work or tool supports
    • B23Q1/26Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
    • B23Q1/262Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members with means to adjust the distance between the relatively slidable members
    • B23Q1/265Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members with means to adjust the distance between the relatively slidable members between rotating members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/062Work-clamping means adapted for holding workpieces having a special form or being made from a special material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Milling, Drilling, And Turning Of Wood (AREA)

Abstract

The invention discloses a kind of cover-plate type drill jig for processing circuit breaker base radial equipartition hole, including one the base provided with step cutting pattern face and heart axle, circumferentially surface is provided with screw thread on the top of heart axle, the top of heart axle is arranged with spring washer and hex nut successively after passing through the arbor hole of cover plate, on cover plate 8 ratchet mounting hole positioning holes are offered along its circumference is radially uniform, form drilling circle, cover plate lower surface offers circular groove, and circuit breaker base is pressed on base by cover plate by the cooperation of hex nut and heart axle screw top.The distribution of 8 ratchet mounting holes of drilling is completely the same needed for this 8 ratchet mounting hole positioning holes and the circuit breaker base of standard for being distributed on cover plate of the present invention, this only drill bit need to be directed at into drill bushing in processing, by setting speed drilling, part processing request can be reached, accurate zero deflection, batch production can also be realized, the processing problem of the ratchet mounting hole of circuit breaker base is thoroughly solved.

Description

A kind of cover-plate type drill jig for processing circuit breaker base radial equipartition hole
Technical field
The invention belongs to circuit breaker base clamp for machining field, and in particular to one kind processing circuit breaker base radial equipartition hole Cover-plate type drill jig.
Background technology
The high-voltage alternating sulfur hexafluoride breaker pedestal of standard radially the even ratchet for being furnished with 8 Φ 11mm can pacify on its surface Fill hole, and require this 8 ratchet mounting holes respectively with the position degree of left side cylinder boss and circuit breaker base endoporus≤ 0.5mm, but for now, this still falls within a processing difficulties of circuit breaker base.
When using machine tool manual processing, radially 8 × Φ 11mm ratchet mounting hole uses line-spot hole-brill The processing mode in hole, the machining period of this mode is long, and 8 × Φ 11mm holes and left side cylinder boss and the position degree of endoporus Error it cannot be guaranteed that, therefore can not reliably ensure product quality, cause percent defective high, low production efficiency.
And when being processed automatically using Four-axis milling center, need clamped one time complete 8 × Φ 11mm ratchet mounting hole and The processing of the depth 46mm eccentric orfices of Φ 16, then clamping again, utilizes the wide 17.2mm of indexing means milling U-shaped waist.This mode Process relatively concentrate, product quality can be ensured that percent defective is relatively low well, but the product structure is simpler, precision General requirement is not high, and clamping again is needed during the U-shaped waist of milling, accounts for that the machine time is long, and production cost is higher.
The content of the invention
For the processing difficulties of above high-voltage alternating sulfur hexafluoride breaker pedestal, the present invention is intended to provide a kind of processing is disconnected The cover-plate type drill jig in road device pedestal radial equipartition hole, to realize the accurate drilling of 8 ratchet mounting holes.
To realize above-mentioned technical purpose and the technique effect, the present invention is achieved through the following technical solutions:
A kind of cover-plate type drill jig for processing circuit breaker base radial equipartition hole, by base, cover plate, spring washer and hexagonal spiral shell Mother's composition;A step cutting pattern face for being used to position circuit breaker base bottom, the step cutting pattern face are provided with the base It is coaxial with the base;The step cutting pattern face is provided with a single mandrel in its axial direction, the top of the heart axle circumferentially table Face is provided with screw thread;
The circle centre position of the cover plate is offered on an arbor hole that can make to pass through at the top of the heart axle, the cover plate along its circumference It is radially uniform to offer 8 ratchet mounting hole positioning holes, the distribution of this 8 ratchet mounting hole positioning holes and the breaker base of standard The distribution of 8 ratchet mounting holes of drilling is completely the same needed for seat, and one is mounted in each ratchet mounting hole positioning hole It is individual to be used to guide bit bore, it is ensured that fixed without shoulder drill bushing, and 8 ratchet mounting hole positioning holes of the positional precision in hole Form drilling circle;The cover plate lower surface is offered for positioning the circular groove at the top of the circuit breaker base, the circle Groove and the cover plate are coaxial, and in the drilling circle;
When the circuit breaker base is installed on the cover-plate type drill jig, the circuit breaker base is located at the base On, the heart axle is passed through from the endoporus of the circuit breaker base, and the step cutting pattern face is embedded in the circuit breaker base bottom In the endoporus in portion;Meanwhile, the cover plate gland is on the circuit breaker base, and the top collar insertion of the circuit breaker base In the circular groove so that the lower surface of the drilling circle needs the region drilled to fit with the circuit breaker base;Institute The top for stating heart axle is passed from the arbor hole, and the spring washer and the hex nut are sequentially sleeved at the top of the heart axle The circuit breaker base is pressed on described by portion, the cover plate by the cooperation of the hex nut and the heart axle screw top On base.
Further, according to basic hole system as defined in standard GB/T/T1801-2009 it is preferential, it is conventional coordinate, it is each described Ratchet mounting hole positioning hole is Φ 17H7/n6 with the corresponding fixed fit dimension without shoulder drill bushing.
Further, the fixed internal diameter without shoulder drill bushing is Φ 11mm.
Further, the base lower surface to the mandrel tip distance be 137mm, the base it is a diameter of 216mm。
Further, according to basic hole system as defined in standard GB/T/T1801-2009 it is preferential, it is conventional coordinate, the open circuit The inner ring of device base bottom and the fit dimension in the step cutting pattern face are Φ 94.8H7/f6.
Further, according to basic hole system as defined in standard GB/T/T1801-2009 it is preferential, it is conventional coordinate, the open circuit The fit dimension of outer ring and the circular groove of the cover plate bottom at the top of device pedestal is Φ 110H8/f7.
Further, a handle is provided with the cover plate.
The operation principle of the present invention is as follows:
During clamping, first circuit breaker base to be processed is arranged on base, is positioned, then closed the lid using heart axle and step surface Plate, is clamped by spring washer and hex nut.During drilling, only drill bit need to be directed at drill bushing, by setting speed drilling, Ji Nengda To part processing request.After machining, nut is unclamped, cover plate is opened, workpiece is taken out, places into next open circuit to be processed Device pedestal, just can realize batch production.
The beneficial effects of the invention are as follows:
1st, the present invention first passes through step cutting pattern face and circular groove is positioned, then passes through base, cover plate, heart axle and hex nut Compressed, by the Positioning Precision Control element precision of fixture in itself, it is ensured that crudy, and convenient mounting and clamping, production efficiency Greatly improve.
2nd, drilling needed for this 8 ratchet mounting hole positioning holes and the circuit breaker base of standard for being distributed on cover plate of the present invention The distribution of 8 ratchet mounting holes is completely the same, and this, in processing, only drill bit need to be directed at into drill bushing, by setting speed drilling, Part processing request, accurate zero deflection can be reached, moreover it is possible to realize batch production, thoroughly solve high-voltage alternating sulfur hexafluoride and break The processing problem of the ratchet mounting hole of road device pedestal.
3rd, the present invention disperses manufacturing procedure, individually 8 ratchet mounting holes on processing circuit breaker base, the content of processing Seldom, existing equipment can rationally be utilized.
4th, the present invention is relatively low to workman's technical requirements, can take most rational cutting data, reduces the time kept in reserve, improves life Efficiency is produced, production cost is reduced.
5th, the present invention's is simple in construction, easily manufactured, and material therefor is 45 steel, and excellent cutting performance, manufacturing cost is low, and It is easy to operate, it is safe and reliable.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention, And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after. The embodiment of the present invention is shown in detail by following examples and its accompanying drawing.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair Bright schematic description and description is used to explain the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the present invention and the installation diagram of circuit breaker base.
Fig. 2 is front view of the invention.
Fig. 3 is left view of the invention.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, the present invention is described in detail.
Referring to shown in Fig. 1-3, a kind of cover-plate type drill jig for processing circuit breaker base radial equipartition hole by base 1, is covered Plate 2, spring washer 3 and hex nut 4 are constituted;A circle for being used to position the bottom of circuit breaker base 5 is provided with the base 1 Shape step surface 6, the step cutting pattern face 6 and the base 1 are coaxial;The step cutting pattern face 6 is provided with one in its axial direction Heart axle 7, circumferentially surface is provided with screw thread on the top of the heart axle 7;
The circle centre position of the cover plate 2 is offered on an arbor hole 8 that can pass through the top of heart axle 7, the cover plate 2 along it Circumference is radially uniform to offer 8 ratchet mounting hole positioning holes 9, the distribution of this 8 ratchet mounting hole positioning holes 9 and breaking for standard The distribution of 8 ratchet mounting holes of drilling is completely the same needed for road device pedestal 5, in each ratchet mounting hole positioning hole 9 Being provided with one is used to guide bit bore, it is ensured that fixed without shoulder drill bushing 11, and 8 ratchets peaces of the positional precision in hole Fill the formation drilling circle of hole positioning hole 9;The lower surface of cover plate 2 offers the circle for positioning the top of circuit breaker base 5 Groove, the circular groove 10 and the cover plate 2 are coaxial, and in the drilling circle;
When the circuit breaker base 5 is installed on the cover-plate type drill jig, the circuit breaker base 5 is located at the base On 1, the heart axle 7 is passed through from the endoporus of the circuit breaker base 5, and the step cutting pattern face 6 is embedded in the breaker base In the endoporus of 5 bottoms of seat;Meanwhile, the gland of cover plate 2 is on the circuit breaker base 5, and the top of the circuit breaker base 5 Flange collar is embedded in the circular groove so that the region that the lower surface of the drilling circle drills with the circuit breaker base 5 needs Fit;The top of the heart axle 7 is passed from the arbor hole 8, and the spring washer 3 and the hex nut 4 are arranged successively At the top of the heart axle 7, the cover plate 2 will be described disconnected by the cooperation of the hex nut 4 and the screw top of heart axle 7 Road device pedestal 5 is pressed on the base 1.
Further, according to basic hole system as defined in standard GB/T/T1801-2009 it is preferential, it is conventional coordinate, it is each described Ratchet mounting hole positioning hole 9 is Φ 17H7/n6 with the corresponding fixed fit dimension without shoulder drill bushing 11.
Further, the fixed internal diameter without shoulder drill bushing 11 is Φ 11mm.
Further, the lower surface of base 1 to the top of heart axle 7 distance be 137mm, the diameter of the base 1 For 216mm.
Further, according to basic hole system as defined in standard GB/T/T1801-2009 it is preferential, it is conventional coordinate, the open circuit The inner ring of the bottom of device pedestal 5 and the fit dimension in the step cutting pattern face 6 are Φ 94.8H7/f6.
Further, according to basic hole system as defined in standard GB/T/T1801-2009 it is preferential, it is conventional coordinate, the open circuit The outer ring at the top of device pedestal 5 is Φ 110H8/f7 with the fit dimension of the circular groove 10 of the bottom of cover plate 2.
Further, it is provided with a handle 12 on the cover plate 2.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies Change, equivalent substitution, improvement etc., should be included in the scope of the protection.

Claims (7)

1. a kind of cover-plate type drill jig for processing circuit breaker base radial equipartition hole, it is characterised in that:By base(1), cover plate (2), spring washer(3)And hex nut(4)Composition;The base(1)On be provided with one be used for position circuit breaker base(5) The step cutting pattern face of bottom(6), the step cutting pattern face(6)With the base(1)Coaxially;The step cutting pattern face(6)At it A single mandrel is provided with axial direction(7), the heart axle(7)Circumferentially surface is provided with screw thread on top;
The cover plate(2)Circle centre position offer one and can make the heart axle(7)The arbor hole that top is passed through(8), the cover plate (2)On offer 8 ratchet mounting hole positioning holes along its circumference is radially uniform(9), each ratchet mounting hole positioning hole(9) Inside be mounted on one be used for guide bit bore, it is ensured that the positional precision in hole it is fixed without shoulder drill bushing(11), and described in 8 Ratchet mounting hole positioning hole(9)Form drilling circle;The cover plate(2)Lower surface is offered for positioning the circuit breaker base (5)The circular groove at top, the circular groove(10)With the cover plate(2)Coaxially, and in the drilling circle;
When the circuit breaker base(5)When being installed on the cover-plate type drill jig, the circuit breaker base(5)Positioned at described Base(1)On, the heart axle(7)From the circuit breaker base(5)Endoporus in pass through, and the step cutting pattern face(6)It is embedded The circuit breaker base(5)In the endoporus of bottom;Meanwhile, the cover plate(2)Gland is in the circuit breaker base(5)On, and institute State circuit breaker base(5)Top collar be embedded in the circular groove so that the lower surface of the drilling circle and the open circuit Device pedestal(5)The region of drilling is needed to fit;The heart axle(7)Top from the arbor hole(8)Pass, the spring pad Circle(3)With the hex nut(4)It is sequentially sleeved at the heart axle(7)Top, the cover plate(2)Pass through the hex nut (4)With the heart axle(7)The cooperation of screw top is by the circuit breaker base(5)It is pressed on the base(1)On.
2. the cover-plate type drill jig in processing circuit breaker base radial equipartition hole according to claim 1, it is characterised in that: Each ratchet mounting hole positioning hole(9)With it is corresponding described fixed without shoulder drill bushing(11)Fit dimension be Φ 17H7/ n6。
3. the cover-plate type drill jig in processing circuit breaker base radial equipartition hole according to claim 1, it is characterised in that: It is described fixed without shoulder drill bushing(11)Internal diameter be Φ 11mm.
4. the cover-plate type drill jig in processing circuit breaker base radial equipartition hole according to claim 1, it is characterised in that: The base(1)Lower surface is to the heart axle(7)The distance on top is 137mm, the base(1)A diameter of 216mm.
5. the cover-plate type drill jig in processing circuit breaker base radial equipartition hole according to claim 1, it is characterised in that: The circuit breaker base(5)The inner ring of bottom and the step cutting pattern face(6)Fit dimension be Φ 94.8H7/f6.
6. the cover-plate type drill jig in processing circuit breaker base radial equipartition hole according to claim 1, it is characterised in that: The circuit breaker base(5)The outer ring at top and the cover plate(2)The circular groove of bottom(10)Fit dimension be Φ 110H8/f7。
7. the cover-plate type drill jig in processing circuit breaker base radial equipartition hole according to claim 1, it is characterised in that: The cover plate(2)On be provided with a handle(12).
CN201710636698.XA 2017-07-31 2017-07-31 A kind of cover-plate type drill jig for processing circuit breaker base radial equipartition hole Pending CN107263129A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710636698.XA CN107263129A (en) 2017-07-31 2017-07-31 A kind of cover-plate type drill jig for processing circuit breaker base radial equipartition hole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710636698.XA CN107263129A (en) 2017-07-31 2017-07-31 A kind of cover-plate type drill jig for processing circuit breaker base radial equipartition hole

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CN107263129A true CN107263129A (en) 2017-10-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110253315A (en) * 2019-07-18 2019-09-20 合肥恒大江海泵业股份有限公司 A kind of shaft member keyway tool for processing

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201900483U (en) * 2010-12-20 2011-07-20 天津市威斯曼光学仪器有限公司 Rotary drilling machining device
CN202861853U (en) * 2012-10-19 2013-04-10 北京矿冶研究总院固安机械有限公司 Radial drilling jig
CN104476256A (en) * 2014-12-13 2015-04-01 遵义金惠机械制造有限责任公司 Fixing device for use in machining of connecting disk
CN105619119A (en) * 2014-10-30 2016-06-01 陕西天财工程造价咨询有限公司 Drilling fixture
CN106956147A (en) * 2017-03-16 2017-07-18 湖南德魅信息技术有限公司 A kind of boring bar tool
CN207239697U (en) * 2017-07-31 2018-04-17 苏州工业职业技术学院 A kind of cover-plate type drill jig for processing circuit breaker base radial equipartition hole

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201900483U (en) * 2010-12-20 2011-07-20 天津市威斯曼光学仪器有限公司 Rotary drilling machining device
CN202861853U (en) * 2012-10-19 2013-04-10 北京矿冶研究总院固安机械有限公司 Radial drilling jig
CN105619119A (en) * 2014-10-30 2016-06-01 陕西天财工程造价咨询有限公司 Drilling fixture
CN104476256A (en) * 2014-12-13 2015-04-01 遵义金惠机械制造有限责任公司 Fixing device for use in machining of connecting disk
CN106956147A (en) * 2017-03-16 2017-07-18 湖南德魅信息技术有限公司 A kind of boring bar tool
CN207239697U (en) * 2017-07-31 2018-04-17 苏州工业职业技术学院 A kind of cover-plate type drill jig for processing circuit breaker base radial equipartition hole

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110253315A (en) * 2019-07-18 2019-09-20 合肥恒大江海泵业股份有限公司 A kind of shaft member keyway tool for processing
CN110253315B (en) * 2019-07-18 2024-05-24 合肥恒大江海泵业股份有限公司 Tool for machining shaft part key groove

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Application publication date: 20171020

RJ01 Rejection of invention patent application after publication