CN204565700U - A kind of center support drilling tool - Google Patents

A kind of center support drilling tool Download PDF

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Publication number
CN204565700U
CN204565700U CN201520242731.7U CN201520242731U CN204565700U CN 204565700 U CN204565700 U CN 204565700U CN 201520242731 U CN201520242731 U CN 201520242731U CN 204565700 U CN204565700 U CN 204565700U
Authority
CN
China
Prior art keywords
bushing
center support
drilling tool
plate
bedplate
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.)
Expired - Fee Related
Application number
CN201520242731.7U
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Chinese (zh)
Inventor
陈开伟
曹泽华
李东琪
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.)
CHANGSHA XINGSHA MACHINE TOOL Co Ltd
Original Assignee
CHANGSHA XINGSHA MACHINE TOOL Co Ltd
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 CHANGSHA XINGSHA MACHINE TOOL Co Ltd filed Critical CHANGSHA XINGSHA MACHINE TOOL Co Ltd
Priority to CN201520242731.7U priority Critical patent/CN204565700U/en
Application granted granted Critical
Publication of CN204565700U publication Critical patent/CN204565700U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A kind of center support drilling tool, comprises mould sole, mould pin, the bedplate installed successively from top to bottom, bushing plate and pressing plate; The surface of described bushing plate is laid with the boring for processing parts, is set with drill bushing in boring.The utility model machining accuracy is high, and drilling efficiency is high, can ensure product quality, is common to HQC5290JB.32.7 center support product.

Description

A kind of center support drilling tool
Technical field
The utility model relates to frock field, particularly a kind of center support drilling tool.
Background technology
In actual production, due to differences such as the production type of part, material, structure, shape, size and technical requirements, for a certain part, not often separately on a kind of drilling machine, just can complete by a certain processing method, but just will to complete its processing through a series of technical process.Therefore, not only according to the specific requirement of part, in conjunction with on-the-spot actual conditions, suitable processing method to be selected to each composition surface of part, also wants reasonable arrangement processing sequence, progressively complete part processing.In formulation technical process, determine the installation station of each operation and the work step of this operation needs, process the locomotive of this operation and the amount of feeding of lathe, cutting depth, the speed of mainshaft and cutting speed, the fixture of this operation, cutter and measurer, also have feed number of times and feed length, finally calculate the basic time of this operation, the service time of non-cutting time and work.Select one of its critical process to carry out special fixture and processing combined machine tool, and complete necessary designing and calculating.
Due to bearing body output larger, in order to ensure product quality, improving working (machining) efficiency, needing to be optimized design to its processing technology, and use building-block machine or special purpose machine tool to process in critical process.Center support drilling tool is a kind of fixture of clamping center support part, by location on the table, to be turned round and straight-line feed forms cutting movement by drill bit.But existing center support drilling tool is less, and machining accuracy is poor, and drilling efficiency is low, cannot ensure product quality.
Utility model content
The purpose of this utility model be overcome prior art above-mentioned deficiency and provide a kind of machining accuracy high, the center support drilling tool that drilling efficiency is high.
The technical solution of the utility model is: a kind of center support drilling tool, comprises mould sole, mould pin, the bedplate installed successively from top to bottom, bushing plate and pressing plate; The surface of described bushing plate is laid with the boring for processing parts, is set with drill bushing in boring.
Further, the outside of described bushing plate is fixed with baffle plate, and the outside of described baffle plate, bedplate and mould pin is fixed by back-up block.
Further, the both sides of described bushing plate are respectively connected with two handles, can be symmetrically welded after two adjacent handle bendings, form a handle.
Further, described boring has five, and symmetry arrangement is in the corner place of bushing plate respectively four, and have a center being arranged in bushing plate, the boring of center is not identical with the bore diameter at corner place; The boring at described corner place is respectively installed with the first drill bushing, and the boring of center is set with the second drill bushing.
Further, the two ends, upside of described bushing plate are respectively provided with the first screwed hole matched with bedplate, and the edge of bushing plate is provided with the second screwed hole be connected with handle; The edge of described bedplate is provided with the 3rd screwed hole be connected with mould pin.
Further, described pressing plate is connected to bedplate by guide pillars and bushes through bushing plate.
Further, described first drill bushing, the second drill bushing, interference fit between guide pin bushing and bushing plate, interference fit between guide pillar and bedplate.
Further, the center of described baffle plate is fixed by star-wheel screw, and the other end of star-wheel screw is fixed on the side of center support part, and the two ends of baffle plate are connected with back-up block by straight pin, and the rectangular type in one end of described back-up block, the other end is curved.
Further, the surface of described mould sole is provided with two the 4th screwed holes for installing mould pin, and be provided with arch hole on the downside of the line of symmetry of two the 4th bolts hole, the quantity of described mould sole, mould pin, back-up block and pressing plate is two.
Further, described mould sole is connected by soket head cap screw with between mould pin, and back-up block is connected by soket head cap screw with between mould pin, bedplate.
The utility model compared with prior art has following features: the processing being specifically designed to center support part by designing five borings, and have roughing and fining-off point, make machining accuracy high, drilling efficiency is high, thus ensures product quality.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model embodiment;
Fig. 2 is the side view of the utility model embodiment;
Fig. 3 is the top view of the utility model embodiment.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, detailed construction of the present utility model is further described.
As shown in Fig. 1 ~ Fig. 3: a kind of center support drilling tool, comprise mould sole 1, mould pin 2, bedplate 3, bushing plate 4 and the pressing plate 5 installed successively from top to bottom.The surface of bushing plate 4 is laid with five borings 41 for machining center support part 6, wherein there are four 41 difference symmetry arrangement of holing in the corner place of bushing plate 4, have a boring 41 to be arranged in the center of bushing plate 4, boring 41 diameter of center is boring 41 diameter being slightly less than corner place; Be respectively installed with the first drill bushing 411 and the second drill bushing 412 in the boring 41 at corner place and the boring 41 of center, for controlling the position dimension of cutter and guiding the feeding direction of cutter, determine the axial location of cutter; When the first drill bushing 411 and the second drill bushing 412 have wearing and tearing, can more renew at any time, to improve machining accuracy; The material of the present embodiment first drill bushing 411 and the second drill bushing 412 is carbon tool steel T10A, and heat treatment hardness is 60-64HRC.The both sides of bushing plate 4 are respectively connected with two handles 42, can be symmetrically welded, form a handle 42, be convenient to pick and place bushing plate 4 after two adjacent handle 42 bendings.The two ends, upside of bushing plate 4 are also provided with the first screwed hole 43 matched with bedplate 3, for being fixed between bushing plate 4 and bedplate 3 by center support part 6; The edge of bushing plate 4 is provided with the second screwed hole, for connecting handle 42.
The outside of bushing plate 4 is fixed with baffle plate 7, damages for avoiding producing drilling cuttings splashing during boring; The outside of baffle plate 7, bedplate 3 and mould pin 2 is fixed by back-up block 8.The two ends of baffle plate 7 are curved, and the surface of baffle plate 7 is provided with three screwed holes, and the screwed hole at baffle plate 7 center is fixed by star-wheel screw 71, and the two ends screwed hole of baffle plate 7 is connected with back-up block 8 by straight pin 72.The rectangular type in one end of back-up block 8, the other end is curved, and back-up block 8 is fixedly connected with by soket head cap screw 31 with between mould pin 2, bedplate 3, and back-up block 8 is for strengthening the stability between mould pin 2, bedplate 3.
Edge's four the 3rd screwed holes 32 of bedplate 3, for being connected and fixed mould pin 2.Pressing plate 5 is connected to bedplate 3 by guide pillar 51 and guide pin bushing 52 through bushing plate 4.First drill bushing 411, second drill bushing 412, interference fit between guide pin bushing 52 and bushing plate 4, interference fit between guide pillar 51 and bedplate 3.The surface of mould sole 1 is provided with two the 4th screwed holes for installing mould pin 2, is provided with arch hole 11, for mould sole 1 is fixed on work top on the downside of the line of symmetry of two the 4th bolts hole; The quantity of mould sole 1, mould pin 2, back-up block 8 and pressing plate 5 is two.Be connected by soket head cap screw 21 between mould sole 1 with mould pin 2.
During work, center support part 6 is fixed between bushing plate 4 and bedplate 3, selects that boring bushing plate 4 needing in five borings 41 bore, centring support part 6; The boring 41 at corner place can be used as roughing hole, and the boring 41 of center can be used as fining-off hole, and make machining accuracy high, drilling efficiency is high, thus ensures product quality, and this frock is common to HQC5290JB.32.7 center support product.

Claims (10)

1. a center support drilling tool, is characterized in that: comprise mould sole, mould pin, the bedplate installed successively from top to bottom, bushing plate and pressing plate; The surface of described bushing plate is laid with the boring for processing parts, is set with drill bushing in boring.
2. center support drilling tool according to claim 1, is characterized in that: the outside of described bushing plate is fixed with baffle plate, the outside of described baffle plate, bedplate and mould pin is fixed by back-up block.
3. center support drilling tool according to claim 1 and 2, is characterized in that: the both sides of described bushing plate are respectively connected with two handles, can be symmetrically welded after two adjacent handle bendings, forms a handle.
4. center support drilling tool according to claim 1 and 2, it is characterized in that: described boring has five, symmetry arrangement is in the corner place of bushing plate respectively four, and have a center being arranged in bushing plate, the boring of center is not identical with the bore diameter at corner place; The boring at described corner place is respectively installed with the first drill bushing, and the boring of center is set with the second drill bushing.
5. center support drilling tool according to claim 4, is characterized in that: the two ends, upside of described bushing plate are respectively provided with the first screwed hole matched with bedplate, and the edge of bushing plate is provided with the second screwed hole be connected with handle; The edge of described bedplate is provided with the 3rd screwed hole be connected with mould pin.
6. center support drilling tool according to claim 4, is characterized in that: described pressing plate is connected to bedplate by guide pillars and bushes through bushing plate.
7. center support drilling tool according to claim 6, is characterized in that: described first drill bushing, the second drill bushing, interference fit between guide pin bushing and bushing plate, interference fit between guide pillar and bedplate.
8. center support drilling tool according to claim 2, it is characterized in that: the center of described baffle plate is fixed by star-wheel screw, the other end of star-wheel screw is fixed on the side of center support part, the two ends of baffle plate are connected with back-up block by straight pin, the rectangular type in one end of described back-up block, the other end is curved.
9. center support drilling tool according to claim 2, it is characterized in that: the surface of described mould sole is provided with two the 4th screwed holes for installing mould pin, be provided with arch hole on the downside of the line of symmetry of two the 4th bolts hole, the quantity of described mould sole, mould pin, back-up block and pressing plate is two.
10. center support drilling tool according to claim 2, is characterized in that: described mould sole is connected by soket head cap screw with between mould pin, and back-up block is connected by soket head cap screw with between mould pin, bedplate.
CN201520242731.7U 2015-04-21 2015-04-21 A kind of center support drilling tool Expired - Fee Related CN204565700U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520242731.7U CN204565700U (en) 2015-04-21 2015-04-21 A kind of center support drilling tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520242731.7U CN204565700U (en) 2015-04-21 2015-04-21 A kind of center support drilling tool

Publications (1)

Publication Number Publication Date
CN204565700U true CN204565700U (en) 2015-08-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520242731.7U Expired - Fee Related CN204565700U (en) 2015-04-21 2015-04-21 A kind of center support drilling tool

Country Status (1)

Country Link
CN (1) CN204565700U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112620736A (en) * 2020-12-28 2021-04-09 贵州天义电器有限责任公司 Hole expanding device and method for reducing hole expanding deformation and burrs

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112620736A (en) * 2020-12-28 2021-04-09 贵州天义电器有限责任公司 Hole expanding device and method for reducing hole expanding deformation and burrs

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150819

Termination date: 20190421

CF01 Termination of patent right due to non-payment of annual fee