CN207480929U - The deep hole drilling apparatus of quartz glass tube - Google Patents

Abstract

The utility model is related to a kind of deep hole drilling apparatus of quartz glass tube, quartz glass tube, which runs through drill transmission and passes through collet, to be fixed on drill transmission, the supporting rack of guaranteed drilling tool and quartz glass tube concentricity is set on drilling tool, the drilling tool is in long cartridge type and is internally provided with the plug through-hole for axially penetrating through drilling tool, it is fixedly connected in one end of drilling tool with drilling tool fixed seat, rack saw in a ring is provided at the port of the other end, the supporting rack includes multiple roller support mechanisms, the roller support mechanism includes support roller bearing and support cylinder, it is fixedly connected between support roller bearing and support cylinder by cylinder rod, the supporting rack transmission device that supporting rack can be made to walk in rack is provided on supporting rack.The utility model improves the effective use length of drilling tool and has the advantages that efficient, saving material and high precision machining.

Description

The deep hole drilling apparatus of quartz glass tube

Technical field

A kind of deep hole the utility model is related to optical fiber communication materials deep hole drilling apparatus more particularly to quartz glass tube adds Tooling is put.

Background technology

Main material in preform production is quartz glass tube, one when in molding for the processing of its deep hole Highly difficult processing technology, just now traditional processing method is all the hollow material that quartz glass is first first formed with to pre-manufactured hole Heavy stone used as an anchor, then again by the method thermo forming of reaming, and for material hardness 7 grades of Mohs or more pure quartz glass pipe Deep hole reaming is cut, and there are problems that low processing technology requirement height, efficiency and waste of material and precision are difficult to ensure that, in depth It is general using the knife bar lengthened in hole machined, and weld on knife bar or fix a cutter head by the way of machine folder, it is this Although the cutting tool of structure have the advantages that it is simple in structure, since the length of knife bar is longer, cause the rigidity of knife bar Decline with intensity, simultaneously as the influence of uneven loading action power that cutter head is generated in cutting, causes knife bar easily to vibrate, it is added The part quality and precision of work are poor or even can cause scrapping for part, further, since being influenced by knife bar vibration, cutter head It also occur that the consequence of crushing knife.Meanwhile in the deep hole machining of quartz glass tube, cutter is typically selected to carry out movement and is walked Processing, and elongated cutter inherently there are problems that polarizing, if cutter so its polarization that walked will expand simultaneously, And then the precision of processing is further influenced, and the just ultra-deep hole machined of some present especially long quartz glass tubes, machine The length of bed is limited, needs special or king-size lathe, thus processing how effectively to utilize the length of cutter and It is the major issue for needing to solve at this stage not influence machining accuracy.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide one kind to be directed to quartz glass tube (300) deep hole is processed and has the precision high, few to silica glass material wastage and can maximally utilize cutter sheet The deep hole drilling apparatus of body length and its corresponding processing method.

What the technical solution of the utility model was realized in：A kind of deep hole drilling apparatus of quartz glass tube, feature It is, including rack (500), drilling tool (400), drilling tool fixed seat (200), drilling tool (400) biography that drilling tool (400) is driven to rotate Dynamic device, collet, collet fixed seat and the collet fixed seat transmission device that collet fixed seat is driven to walk in rack (500), Quartz glass tube (300) is through drilling tool (400) transmission device and passes through collet and is fixed on drilling tool (400) transmission device, is boring The supporting rack (600) of guaranteed drilling tool (400) and quartz glass tube (300) concentricity is set on tool (400),

The drilling tool (400) axially penetrates through the plug through-hole (403) of drilling tool (400) in long cartridge type and being internally provided with, It is fixedly connected in one end of drilling tool (400) with drilling tool fixed seat (200), rack saw in a ring is provided at the port of the other end (401), multiple diversion trenches (402), the drilling tool (400) and drilling tool fixed seat are provided in the plug through-hole (403) (200) fixed one end setting is connected with cutting fluid delivery pipe (202), and cutting fluid is conveyed by the diversion trench (402) and caused In quartz glass tube (300)；

The supporting rack (600) includes multiple roller support mechanisms, and the roller support mechanism includes support roller bearing (603) and cylinder (601) is supported, is fixedly connected, propped up by cylinder rod between support roller bearing (603) and support cylinder (601) Supporting rack (600) transmission device is connected on support (600), supporting rack (600) can be made in rack by being provided on supporting rack (600) (500) supporting rack (600) transmission device walked on.

As preferred：Three groups of roller support mechanisms are provided on the supporting rack (600) and are arranged in triangle, and support Be provided on frame (600) with the fixed link (604) of rack (500) slidable connection, be provided with adjusting in support cylinder (601) Support the roll adjustment knob (602) of roller bearing (603) line-spacing.Limit inductor (800) and switch board are provided in rack (500) (203), limit inductor (800) is electrically connected with the support cylinder (601) with switch board (203), the limit induction Device (800) controls support cylinder (601) to close after collet fixed seat (100) is sensed to precalculated position by switch board (203) It closes, the electric rotating machine that collet (101) is driven to rotate is provided on the collet (101).

As preferred：The tail end of the quartz glass tube is fixed with a terminating block, is provided at command for stopping block Inductor (700) is hit, and the shock inductor (700) is fixed on collet fixed seat by fixed connecting rod (701) (100) it is electrically connected on and with switch board (203).

As preferred：It is offered in the drilling tool fixed seat (200) and the plug through-hole of quartz glass tube (300) (403) the cutting fluid import (201) of connection, the cutting fluid delivery pipe (202) pass through cutting fluid import (201) and quartzy glass Plug through-hole (403) connection of glass pipe (300).It is provided in the rack (500) for collet fixed seat (100) and support The guide rail that frame (600) slides, fixed link (604) and the rail attachment point of support frame as described above (600) are provided with guide wheel.

Meanwhile the utility model provides a kind of processing method for being suitble to above-mentioned quartz glass tube (300) deep hole drilling apparatus, It has the advantages that processing flow is simple and efficient and high precision machining.

The deep hole processing method of a kind of deep hole drilling apparatus suitable for above-mentioned quartz glass tube, which is characterized in that it is walked It is rapid as follows：

(1), fixed and debugging：Unprocessed quartz glass tube (300) is fixed on collet (101), meanwhile, fixed brill The concentricity of drilling tool (400) and quartz glass tube (300) is adjusted after tool (400) by supporting rack (600)；

(2), circumference is cut：By the rack saw (401) on drilling tool (400) end with the high speed rotation pair of drilling tool (400) Quartz glass tube (300) carries out circumference cutting, and cutting fluid is by the diversion trenches (402) of plug through-hole (403) into quartz glass It manages in (300), as the core material of walking into the cylinder of collet fixed seat (100) enters the plug through-hole (403) of drilling tool (400) It is interior；

(3), it cuts off:After drilling tool (400) is into quartz glass tube (300) bottom, limit inductor (800) sensing folder Support cylinder (601) is closed by switch board (203) behind the position of head fixed seat (100), then by drilling tool (400) through quartzy glass Glass pipe (300)；

(4), it closes：When drilling tool (400) is placed on through quartz glass tube (300) end of quartz glass tube (300) end Stops, which pops up and hits cause, hits inductor (700), then send out closing collet from shock inductor (700) to switch board (203) Fixed seat (100) transmission device and drilling tool (400) transmission device at this time and complete deep hole machining.

The beneficial effects of the utility model are：It is realized by the drilling tool (400) of special long cartridge type shape to quartz glass tube (300) deep hole machining is carried out, realizes that circumference is cut by rack saw (401), by the plug (301) that cuts into drilling tool (400) it in plug through-hole (403), is generated in being rubbed during the cutting process due to rack saw (401) and quartz glass tube (300) Powder, which imports to eject while cutting fluid facilitates cutting by the diversion trench (402) of drilling tool (400), reduces powder to quartzy glass The influence of glass cutting；Simultaneously as the length of the drilling tool (400) of long cartridge type shape is long, avoid boring by supporting rack (600) Has the polarization generated during (400) high speed rotation, and by supporting cylinder (601) that switch board (203) is coordinated to realize deep hole machining In for the walking position of collet fixed seat (100) maximumlly realize drilling tool (400) length most the operation that automates Bigization is using the length limitation of lathe is reduced, in the design in order to ensure to improve machining accuracy, it is contemplated that the length of drilling tool (400) Degree and high speed rotation just influence machining accuracy if walking at it, in the design, drilling tool (400) circumgyration incision, and collet Fixed seat (100) walks with quartz glass tube (300) to carry out cutting, and this makes it possible to reduce its mismachining tolerance to improve to add Work precision.

Description of the drawings

It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property It puts, can also be obtained according to these attached drawings other attached drawings.

Fig. 1 is the theory structure schematic diagram of the deep hole drilling apparatus of the utility model quartz glass tube；

Fig. 2 is the operation principle schematic diagram of the deep hole drilling apparatus combination supporting rack of the utility model quartz glass tube；

Fig. 3 is that the deep hole drilling apparatus of the utility model quartz glass tube cuts the structure diagram of shape body；

Fig. 4 is the structure diagram of supporting rack reset condition in the utility model；

Fig. 5 is the structure diagram that supporting rack carries out limited support state in the utility model；

Fig. 6 is the structure diagram of drilling tool in the utility model

Fig. 7 is the configuration state schematic diagram in the cutting of quartz glass tube in the utility model.

Annotation：100- collet fixed seats, 101- collets, 200- drilling tool fixed seats, 201- cutting fluid imports, 202- cuttings Liquid delivery pipe, 203- switch boards, 300- quartz glass tubes, 301- plugs, 400- drilling tools, 401- rack saws, 402- diversion trenches, 403- plug through-holes, 500- racks, 600- supporting racks, 601- support cylinders, 602- roll adjustment knobs, 603- support roller bearings, 604- Fixed link, 605- idler wheels, 700- hit inductor, 701- fixed connecting rods, 800- limit inductors.

Specific embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out It clearly and completely describes, 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 embodiment in the utility model, those of ordinary skill in the art are without creative efforts All other embodiments obtained shall fall within the protection scope of the present invention.

The transmission device of the utility model can need to select the electricity of air-cylinder type transmission or worm gear type according to machinery Machine is driven.The unlimited the scope of protection of the utility model of its selection mode.

As shown in Fig. 1-Fig. 3, the utility model discloses a kind of deep hole drilling apparatus of quartz glass tube, including rack 500th, drilling tool 400, drilling tool fixed seat 200, drive drilling tool 400 rotate 400 transmission device of drilling tool, collet, collet fixed seat and The collet fixed seat transmission device that collet fixed seat is driven to walk in rack 500, quartz glass tube 300 are passed through drilling tool 400 It moves device and passes through collet and be fixed on 400 transmission device of drilling tool, guaranteed drilling tool 400 and quartzy glass are set on drilling tool 400 The supporting rack 600 of 300 concentricity of glass pipe, in the design in order to ensure improve machining accuracy, it is contemplated that the length of drilling tool 400 and High speed rotation just influences machining accuracy if walking at it, in the design, 400 circumgyration incision of drilling tool, and collet fixed seat 100 are walked by collet fixed seat transmission device with quartz glass tube 300 to carry out cutting, ensure two moving cell difference Respective movement is carried out, drilling tool 400 is responsible for rotation, and collet fixed seat 100 is responsible for horizontal movement, and this makes it possible to reduce its processing Error improves machining accuracy.

With reference to figure 6, the drilling tool 400 is in long cartridge type and is internally provided with the plug through-hole for axially penetrating through drilling tool 400 403, it is fixedly connected in one end of drilling tool 400 with drilling tool fixed seat 200, rack saw in a ring is provided at the port of the other end 401, since quartz material is by the material of high strength and high hardness therefore rack saw 401 uses diamond to be made, the plug through-hole 403 Multiple diversion trenches 402 are inside provided with, the drilling tool 400 is connected with cutting fluid with the setting of 200 fixed one end of drilling tool fixed seat Delivery pipe 202, cutting fluid are caused by the conveying of diversion trench 402 in quartz glass tube 300.Work in-process passes through special length The drilling tool 400 of cartridge type shape carries out deep hole machining to realize to quartz glass tube 300, realizes that circumference is cut by rack saw 401, leads to It crosses the plug 301 cut to enter in the plug through-hole 403 of drilling tool 400, during the cutting process due to rack saw 401 and quartzy glass The powder that glass pipe 300 generates in rubbing is imported while cutting fluid facilitates cutting by the diversion trench 402 of drilling tool 400 and ejects drop The influence of self raising flour foot couple quartz glass cutting.

Referring again to Fig. 4：The supporting rack 600 includes multiple roller support mechanisms, the roller support mechanism Including support roller bearing 603 and support cylinder 601, it is fixedly connected between support roller bearing 603 and support cylinder 601 by cylinder rod, 600 transmission device of supporting rack that supporting rack 600 can be made to walk in rack 500, the supporting rack are provided on supporting rack 600 Three groups of roller support mechanisms are provided on 600 and are arranged, and be provided on supporting rack 600 and slidably connect with rack 500 in triangle The fixed link 604 connect is provided with the roll adjustment knob 602 for adjusting support 603 line-spacing of roller bearing on support cylinder 601.In quartzy glass After glass pipe 300 is fixed on drilling tool fixed seat 200, with reference to figure 5, by the way that cylinder 601 is supported to open and passes through three support roller bearings 603 Quartz glass tube 300 is withstood in class equilateral triangle, meanwhile, it is missed when the concentricity of drilling tool 400 and quartz glass tube 300 exists When poor, it is finely adjusted until drilling tool 400 is coaxial with quartz glass tube 300, in rack 500 by roll adjustment knob 602 It is provided with limit inductor 800 and switch board 203, limit inductor 800 and the support cylinder 601 and 203 electricity of switch board Connection, the limit inductor 800 control branch after collet fixed seat 100 is sensed to precalculated position by switch board 203 Support cylinder 601 is closed, and the electric rotating machine that collet 101 is driven to rotate is provided on the collet 101.Due to the brill of long cartridge type shape The length of tool 400 is long, and the polarization generated in 400 high speed rotation of drilling tool is avoided, and pass through support by supporting rack 600 Cylinder 601 coordinates switch board 203 to realize the operation automated in deep hole machining for the walking position of collet fixed seat 100 Carry out the maximized length limitation maximally utilized to reduce lathe for realizing 400 length of drilling tool.

In the design, since drilling tool 400 is only responsible rotation, not responsible level walks.So in design supporting rack 600 Position is just designed, if supporting rack 600 be located too close to drilling tool fixed seat 200 if be difficult to play guarantee drilling tool 400 with the concentricity of quartz glass tube 300, and 600 drilling tool 400 of opposite supporting rack be also in the presence of very long part it is hanging, this Sample can also generate polarization in 400 high speed rotation of drilling tool.Conversely, supporting rack 600 is located proximate at quartz glass tube 300, then Walking for collet fixed seat 100 can be influenced, and drilling can be had an impact, considers the problem of above-mentioned, in the design, is used Dynamic supporting rack 600 allows on supporting rack 600 and is not regarded in setting 600 diagram of gears of supporting rack.And in transmission process, make The movement of supporting rack 600 and the movement of collet fixed seat are relatively uniform, thus make collet fixed seat supporting rack 600 when walking Also it can and then walk.And then drilling tool 400 can be made to remain concentricity with quartz glass tube 300.

And at work, if its supporting rack 600 can influence the effective length of drilling tool 400, in order to maximumlly improve brill Tool 400 effectively uses length, in the design, by designing limit inductor 800 in rack 500, when collet fixed seat 100 It walks to scheduled position, information is sent to switch board 203 after the sensing of limit inductor 800, at this point, quartz glass tube 300 There are limited distances for the distance between drilling tool fixed seat 200, in the case that concentricity can ensure at this time, pass through switch board 203 close support cylinder 601, and can pass through collet fixed seat 100, and then made full use of to the length of drilling tool 400.

As preferred：It offers in the drilling tool fixed seat 200 and is connected with the plug through-hole 403 of quartz glass tube 300 Cutting fluid import 201, in order to facilitate the importing of cutting fluid, pass through cutting fluid import 201 and quartz in cutting fluid delivery pipe 202 The plug through-hole 403 of glass tube 300 connects.It is provided in the rack 500 and is slided for collet fixed seat 100 and supporting rack 600 It is not regarded in dynamic guide rail figure, fixed link 604 and the rail attachment point of support frame as described above 600 are provided with idler wheel 605.

Simultaneously, it is contemplated that when cutting completion, can automatically stop the work of drilling tool 400, and exit drilling tool 400 Quartz glass tube 300, the tail end of the quartz glass tube are fixed with a terminating block, and shock is being provided at command for stopping block Inductor 700, and the shock inductor 700 be fixed in collet fixed seat 100 by fixed connecting rod 701 and with control Cabinet 203 processed is electrically connected, and 400 transmission device of drilling tool is controlled to stop by switch board 203 at this time, and be driven and filled by collet fixed seat It puts and carries out counter motion until resetting cause origin-location, then carry out artificial blanking.

Meanwhile the utility model provides a kind of processing method for being suitble to above-mentioned quartz glass tube deep hole drilling apparatus, tool There is processing flow simple and efficient and the advantages of high precision machining.

A kind of deep hole processing method of deep hole drilling apparatus suitable for above-mentioned quartz glass tube, its step are as follows：

1st, fixed and debugging：Unprocessed quartz glass tube 300 is fixed on collet 101, meanwhile, fixed drilling tool 400 The concentricity of drilling tool 400 and quartz glass tube 300 is adjusted by supporting rack 600 afterwards；

2nd, circumference is cut：By the rack saw 401 on 400 end of drilling tool as the high speed rotation of drilling tool 400 is to quartz glass Pipe 300 carries out circumference cutting, and cutting fluid is entered by the diversion trench 402 of plug through-hole 403 in quartz glass tube 300, with folder In the plug through-hole 403 that the walking of head fixed seat 100 enters drilling tool 400 into cylindrical core material；

3rd, it cuts off:After drilling tool 400 enters 300 bottom of quartz glass tube, limit inductor 800 senses collet fixed seat Support cylinder 601 is closed, then run through quartz glass tube 300 by drilling tool 400 by switch board 203 behind 100 position；

4th, it closes：When drilling tool 400 through quartz glass tube 300 be placed on 300 end of quartz glass tube terminating block pop-up And it hits cause and hits inductor 700, then send out closing collet fixed seat 100 to switch board 203 from shock inductor 700 and be driven dress Put with 400 transmission device of drilling tool, at this time and complete deep hole machining.

Work in-process, due to the special construction of drilling tool 400, with reference to figure 7, drilling tool 400 is in cutting, with collet fixed seat 100 walk, and the plug 301 being cut into enters in the plug through-hole 403 of drilling tool 400, in exiting together with drilling tool 400 It takes out of, and this plug 301 can be as the blank of other quartz products.And then the effect of material-saving is realized, drilling tool 400 only needs The cutting of circumference, the cutting of relatively traditional boring cutter formula are wanted, and reduces the face of cutting and then reduces cutting rubbing and raising Cutting precision.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection domain within.

Claims (8)

1. a kind of deep hole drilling apparatus of quartz glass tube, which is characterized in that solid including rack (500), drilling tool (400), drilling tool Reservation (200), drilling tool (400) transmission device that drilling tool (400) is driven to rotate, collet, collet fixed seat and drive collet are fixed The collet fixed seat transmission device that seat is walked in rack (500), quartz glass tube (300) is through drilling tool (400) transmission device And pass through collet and be fixed on drilling tool (400) transmission device, guaranteed drilling tool (400) and quartzy glass are set on drilling tool (400) The supporting rack (600) of glass pipe (300) concentricity,

The drilling tool (400) axially penetrates through the plug through-hole (403) of drilling tool (400) in long cartridge type and being internally provided with, and is boring One end of tool (400) is fixedly connected with drilling tool fixed seat (200), and rack saw (401) in a ring is provided at the port of the other end, Multiple diversion trenches (402) are provided in the plug through-hole (403), the drilling tool (400) is solid with drilling tool fixed seat (200) Fixed one end setting is connected with cutting fluid delivery pipe (202), and cutting fluid causes quartz glass by diversion trench (402) conveying It manages in (300)；

The supporting rack (600) includes multiple roller support mechanisms, and the roller support mechanism includes support roller bearing (603) With support cylinder (601), it is fixedly connected between support roller bearing (603) and support cylinder (601) by cylinder rod, supporting rack (600) supporting rack (600) transmission device that supporting rack (600) can be made to walk in rack (500) is provided on.

2. the deep hole drilling apparatus of quartz glass tube according to claim 1, which is characterized in that the supporting rack (600) be provided on three groups of roller support mechanisms and in triangle arrange, and be provided on supporting rack (600) with rack (500) can The fixed link (604) being slidably connected is connected with supporting rack (600) transmission device on supporting rack (600), in support cylinder (601) the roll adjustment knob (602) for adjusting support roller bearing (603) line-spacing is provided on.

3. the deep hole drilling apparatus of quartz glass tube according to claim 1, which is characterized in that set in rack (500) It is equipped with limit inductor (800) and switch board (203), limit inductor (800) and the support cylinder (601) and switch board (203) it is electrically connected, the limit inductor (800) passes through control after collet fixed seat (100) to precalculated position is sensed Cabinet (203) control support cylinder (601) is closed.

4. the deep hole drilling apparatus of quartz glass tube according to claim 1, which is characterized in that the collet (101) On be provided with drive collet (101) rotate electric rotating machine.

5. according to the deep hole drilling apparatus of the quartz glass tube described in claim 3, which is characterized in that the quartz glass tube Tail end be fixed with a terminating block, hit inductor (700), and the shock senses being provided at command for stopping block Device (700) is fixed in collet fixed seat (100) by fixed connecting rod (701) and is electrically connected with switch board (203).

6. the deep hole drilling apparatus of quartz glass tube according to claim 1, which is characterized in that the drilling tool fixed seat (200) the cutting fluid import (201) connected with the plug through-hole of quartz glass tube (300) (403), the cutting are offered on Liquid delivery pipe (202) is connected by cutting fluid import (201) with the plug through-hole (403) of quartz glass tube (300).

7. the deep hole drilling apparatus of quartz glass tube according to claim 2, which is characterized in that the rack (500) On be provided with the guide rail slided for collet fixed seat (100) and supporting rack (600), the fixed link (604) of support frame as described above (600) Rail attachment point is provided with guide wheel.

8. the deep hole drilling apparatus of quartz glass tube according to claim 5, which is characterized in that the collet fixed seat (100) transmission device and drilling tool (400) transmission device are electrically connected with switch board (203).