CN103192116A - Deep-hole machining equipment and deep-hole machining method - Google Patents
Deep-hole machining equipment and deep-hole machining method Download PDFInfo
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- CN103192116A CN103192116A CN2013101313668A CN201310131366A CN103192116A CN 103192116 A CN103192116 A CN 103192116A CN 2013101313668 A CN2013101313668 A CN 2013101313668A CN 201310131366 A CN201310131366 A CN 201310131366A CN 103192116 A CN103192116 A CN 103192116A
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Abstract
The invention discloses deep-hole machining equipment and a deep-hole machining method. The deep-hole machining equipment comprises a frame, a drill bit feed device, a drill bit, a spindle box, a workpiece positioning device, a drive motor, an air pump and a control system, the drill bit is arranged on the drill bit feed device, and the drill bit feed device comprises a lead screw, a servo motor and a drill bit clamp. The workpiece positioning device is arranged at one end of the spindle box, the drill bit and the axis of the workpiece positioning device are located on the same horizontal line, the workpiece positioning device is connected with the air pump which controls clamping of the workpiece positioning device, the drill bit feed device, the spindle box and the control system are all arranged on the frame, and the drill bit feed device is connected with the control system. By the means, precision and verticality of machined deep holes can be guaranteed, machining efficiency is improved, drill bit breakage caused by blockage of scrap iron during drilling can be avoided, the drill bit can be cooled during drilling of the drill bit, and service life of the drill bit is prolonged.
Description
Technical field
The present invention relates to field of machining, particularly relate to a kind of deep hole processing equipment and processing method.
Background technology
So-called deep hole just refers to length much larger than the hole of diameter, for example some oily tunnel holes, through hole length is 400-500mm, the hole is of a size of Φ 8mm, and draw ratio is that difficulty of processing is very big more than 50, general processing method almost can't be finished above-mentioned processing, conventional processing method is the mode that adopts special purpose machine tool, uses the drill gun segmental machining, and the cost of its equipment own is higher, and processing cost is also higher, estimating required time of product of processing is 5-10min, and its working (machining) efficiency is also undesirable.And for the such workpiece of the valve body as the tap, hole length is long, darker in it, and bigger for the general difficulty of processing of deep hole, utilize when lathe is vertical holes, bore obstructed place and be with manually going operation, inefficiency, and cutting accuracy is not high.Find after summing up the difficult point of multiple deep hole machining, the difficult point of prior art medium-length hole processing at present mainly contains: 1, at engine lathe, when drilling machine carries out deep hole machining, the feeding dynamics of cutter wayward (when drill bit chip removal difficulty occurring, strengthen the tool feeding dynamics and cause drill bit to fracture easily); 2, because operation easier is big, need the workman that masterful technique and operating experience are arranged, and careful; 3, the cooling raio in drilling district is difficult, and cooling fluid can not enter the drilling district, causes drill bit to cross cause thermal damage easily; 4, cutting accuracy is not high, becomes waste product after the hole causes the minor leading screw precession to go partially easily.
Summary of the invention
At above-mentioned deficiency of the prior art, main purpose of the present invention provides a kind of deep hole processing equipment, can guarantee precision and the perpendicularity of the deep hole processed, improved working (machining) efficiency and when can avoid holing iron filings stop up and cause drill bit to fracture, prolong the service life of drill bit.
For achieving the above object, the technical solution used in the present invention is: a kind of deep hole processing equipment, comprise frame, drill feed, drill bit, main spindle box, Working piece positioning device, drive motors, air pump and control system, described drill bit is located on the described drill feed, and described drill feed comprises screw mandrel, servomotor and drilling attachment; Described Working piece positioning device is located at an end of described main spindle box, and the axle center of described drill bit and described Working piece positioning device is positioned at same horizontal line; Described Working piece positioning device connects described air pump, and described air pump is controlled the gripping of described Working piece positioning device; Described drive motors is controlled the motion of described main spindle box; Described drill feed, main spindle box and control system all are located on the described frame; Described drill feed connects described control system.The axle center of the drill bit described in the present invention and Working piece positioning device is positioned on the same horizontal line, and its essence purpose is on the same horizontal line of being centered close to of drill bit and workpiece to be processed, and is constant to guarantee in the perpendicularity of boring procedure mesopore, and improves borehole accuracy.
Preferably, described Working piece positioning device is in the form of annular discs, and described Working piece positioning device is provided with the fixture block for fixation workpiece.
Preferably, described Working piece positioning device is provided with 3 fixture blocks, and described workpiece places the center of described 3 fixture blocks, and described 3 fixture blocks clamp described workpiece under the control of described air pump.
Preferably, the advance and retreat of described control system control drill bit.In control system, make each drilling depth among the present invention, can avoid in boring procedure because boring causes the stuck situation that makes the drill bit fracture to causing iron filings not discharge too deeply.Concrete grammar is for to arrange in control system: withdraw from chip removal when 1, drilling depth being set reaching 50mm-70mm automatically, 2 make and to withdraw from chip removal when the boring total depths reach 90mm-130mm more automatically, and 3 make workpiece have been machined when the boring total depths reach 110mm-150mm and withdraw from equipment automatically and shut down automatically.
Preferably, deep hole processing equipment of the present invention also comprises safeguard.
Further, described safeguard is protective cover, and described protective cover is located at the periphery of whole deep hole processing equipment, and a side of described protective cover is provided with moving door, also is provided with a Protection switch on the described moving door.Protective cover described in the present invention gets up whole equipment protection, and moving door can horizontally slip, and opens moving door, and the workman can operate the control panel of control system on the equipment.A Protection switch is housed on the moving door, and equipment just can not start running if moving door does not shut.
Preferably, described deep hole processing equipment also is provided with cooling system, described cooling system comprises tank for coolant, Oil pump electrical machinery, coolant duct, described tank for coolant is located at described frame below, described coolant duct connects described tank for coolant and described Working piece positioning device, and described cooling fluid is flowing in described coolant duct under the conveying of described Oil pump electrical machinery.Cooling system utilizes Oil pump electrical machinery cooling fluid to be delivered on the position of bit bore drill bit is cooled off among the present invention.
By to the setting of Working piece positioning device and bit location, make the axle center of drill bit and described Working piece positioning device be positioned at same horizontal line among the present invention, though the workpiece that drill bit can lateral alignment will be processed hole, thereby the realization lateral operation.The advantage that realizes lateral operation is: in the deep hole processing process, workpiece changes, and drill bit keeps maintaining static, thereby has guaranteed in the boring procedure perpendicularity of deep hole.
The present invention controls the progress of drill bit by utilizing control system, and after drill bit pierced certain depth, control system was just controlled drill bit and withdrawed from, and extremely causes the situation of drill bit fracture to prevent the iron filings plug.
The present invention realizes gripping to workpiece by utilizing fixture block on the air pump control Working piece positioning device, utilize in the prior art of comparing and manually workpiece is mounted and fixed on the Working piece positioning device, Working piece positioning device of the present invention not only can be controlled gripping to workpiece by the control button on the control system, and owing to be to utilize air pressure control fixture block to the clamping of workpiece, make workpiece stressed evenly, and clamping force can prevent the outer surface damage of workpiece in clamping process uniformly.
The present invention utilizes cooling system to realize the cooling of cooling fluid to drill bit, has avoided drill bit to cross cause thermal damage, has prolonged the service life of drill bit.A drill bit can bore 500 workpiece in the prior art, utilize equipment of the present invention after, a drill bit can bore 1500 workpiece, drilling life of bit prolongs, and saves cost.
Protective cover of the present invention is installed in the periphery of equipment, has avoided the situation that iron filings disorderly fly to hurt sb.'s feelings in boring procedure.
The invention also discloses a kind of deep hole processing method, may further comprise the steps: step 1: start the boring position of drill bit workpiece to be processed, hole; Step 2: when the bit bore degree of depth reached 50mm-70mm, drill bit withdrawed from from boring, and chip is discharged in will holing; Step 3: drill bit enters boring processing again, and when the degree of depth of boring again reached 40mm-60mm, drill bit withdrawed from from boring, and chip is discharged in will holing; Step 4: drill bit enters the processing of holing for the third time, and when the degree of depth of boring again reached 15mm-25mm, drill bit stopped processing and withdraws from deep hole fully, and the deep hole machining on the workpiece is complete at this moment.Withdraw from the process of boring at drill bit, the Oil pump electrical machinery of cooling system just carries cooling fluid to the position of boring to cool off drill bit under the control of control system at every turn.
The invention has the beneficial effects as follows: deep hole processing equipment of the present invention, can guarantee precision and the perpendicularity of the deep hole processed, improved working (machining) efficiency and when can avoid holing iron filings stop up and cause drill bit to fracture, in the bit bore process, can realize the cooling to drill bit, prolong the service life of drill bit.
Description of drawings
Fig. 1 is the structural representation of deep hole processing equipment one preferred embodiment of the present invention;
Fig. 2 is the structural representation of Working piece positioning device shown in Figure 1;
The mark of each parts is as follows in the accompanying drawing: 1-drilling attachment, 2-servomotor, 3-main spindle box, 4-Working piece positioning device, 40-fixture block, 5-air pump, 6-drill bit, 7-workpiece.
The specific embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that protection scope of the present invention is made more explicit defining.
See also Fig. 1 and Fig. 2, the embodiment of the invention: a kind of deep hole processing equipment, comprise frame, drill feed, drill bit 6, main spindle box 3, Working piece positioning device 4, drive motors, air pump 5 and control system, drill bit 6 is located on the described drill feed, and described drill feed comprises screw mandrel, servomotor 2 and drilling attachment 1; Working piece positioning device 4 is located at an end of main spindle box 3, and drill bit 6 is positioned at same horizontal line with the axle center of Working piece positioning device 4; Working piece positioning device 4 connects air pump 5, the gripping of air pump 5 control Working piece positioning devices 4; The motion of described drive motors control main spindle box 3; Described drill feed, main spindle box 3 and control system all are located on the described frame; Described drill feed connects described control system.
Working piece positioning device 4 in the present embodiment is in the form of annular discs, and Working piece positioning device 4 is provided with 3 fixture blocks 40 that are used for fixation workpiece, and workpiece 7 places the center of 3 fixture blocks 40, and 3 fixture blocks 40 clamp workpiece 7 under the driving of air pump 5.
The advance and retreat of the control system control drill bit 6 described in the present embodiment make each degree of depth of holing in control system, to avoid in boring procedure because unlimited can not the discharge to too dark iron filings causes the stuck drill bit that makes to rupture.Specifically make in control system: 1 making and settlement drilling depth withdraws from chip removal automatically when reaching 60mm, 2 make and to withdraw from chip removal when the boring total depths reach 110mm more automatically, and 3 make workpiece have been machined when the boring total depths reach 130mm and withdraw from equipment automatically and shut down automatically.
The described deep hole processing equipment of present embodiment also comprises safeguard, and described safeguard is protective cover, and described protective cover is located at the periphery of whole deep hole processing equipment, and a side of described protective cover is provided with moving door, also is provided with a Protection switch on the described moving door.Protective cover gets up whole equipment protection, and moving door can horizontally slip, and opens moving door, and the workman can operate the control panel of control system on the equipment.A Protection switch is housed on the moving door, and equipment just can not start running if moving door does not shut.
Also be provided with cooling system in the present embodiment, described cooling system comprises tank for coolant, Oil pump electrical machinery, coolant duct, described tank for coolant is located at described frame below, described coolant duct connects described tank for coolant and described Working piece positioning device, and described cooling fluid is flowing in described coolant duct under the conveying of described Oil pump electrical machinery.
When deep hole processing equipment of the present invention is operated, opening control, open air pump 5, workpiece 7 is placed on 3 fixture blocks, 40 middle clampings, open drill feed then, servomotor 2 drives screw mandrels and drives drill bit 6 and bores deep hole to be processed position on the workpiece 7, when drill bit 6 drilling depths reach 60mm, control system control drill bit 6 withdraws from deep hole, and behind the chip in the eliminating deep hole, drill bit 6 enters deep hole again and continues boring, when drill bit 6 bores the 50mm degree of depth again, control system is controlled drill bit 6 again and is withdrawed from deep hole, and behind the chip in the eliminating deep hole, drill bit 6 enters deep hole for the third time and continues boring, when boring reaches the 20mm hole depth again, control system control drill bit 6 stops processing, and drill bit 6 withdraws from deep hole fully, and the working depth of deep hole is that 130mm is dark altogether on the workpiece at this moment.When drill bit withdraws from boring fast, can take a part of chip out of, can take chip out of when flowing out behind the drill bit of cooling fluid cooling simultaneously, thereby guarantee that chip can not hinder boring and the drill bit that fractures in the boring.
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (8)
1. deep hole processing equipment, it is characterized in that, comprise frame, drill feed, drill bit, main spindle box, Working piece positioning device, drive motors, air pump and control system, described drill bit is located on the described drill feed, and described drill feed comprises screw mandrel, servomotor and drilling attachment; Described Working piece positioning device is located at an end of described main spindle box, and the axle center of described drill bit and described Working piece positioning device is positioned at same horizontal line; Described Working piece positioning device connects described air pump, and described air pump is controlled the gripping of described Working piece positioning device; Described drive motors is controlled the motion of described main spindle box; Described drill feed, main spindle box and control system all are located on the described frame; Described drill feed connects described control system.
2. deep hole processing equipment according to claim 1 is characterized in that, described Working piece positioning device is in the form of annular discs, and described Working piece positioning device is provided with the fixture block for fixation workpiece.
3. deep hole processing equipment according to claim 2 is characterized in that, described Working piece positioning device is provided with 3 fixture blocks, and described workpiece places the center of described 3 fixture blocks, and described 3 fixture blocks clamp described workpiece under the control of described air pump.
4. deep hole processing equipment according to claim 1 is characterized in that, the advance and retreat of described control system control drill bit.
5. deep hole processing equipment according to claim 1 is characterized in that, also comprises safeguard.
6. deep hole processing equipment according to claim 5, it is characterized in that described safeguard is protective cover, described protective cover is located at the periphery of whole deep hole processing equipment, one side of described protective cover is provided with moving door, also is provided with a Protection switch on the described moving door.
7. deep hole processing equipment according to claim 1, it is characterized in that, also be provided with cooling system, described cooling system comprises tank for coolant, Oil pump electrical machinery, coolant duct, described tank for coolant is located at described frame below, described coolant duct connects described tank for coolant and described Working piece positioning device, and described cooling fluid is flowing in described coolant duct under the conveying of described Oil pump electrical machinery.
8. a deep hole processing method is characterized in that, may further comprise the steps: step 1: start the boring position of drill bit workpiece to be processed, hole; Step 2: when the bit bore degree of depth reached 50mm-70mm, drill bit withdrawed from from boring, and chip is discharged in will holing; Step 3: drill bit enters boring processing again, and when the degree of depth of boring again reached 40mm-60mm, drill bit withdrawed from from boring, and chip is discharged in will holing; Step 4: drill bit enters the processing of holing for the third time, and when the degree of depth of boring again reached 15mm-25mm, drill bit stopped processing and withdraws from deep hole fully, and the deep hole machining on the workpiece is complete at this moment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2013101313668A CN103192116A (en) | 2013-04-16 | 2013-04-16 | Deep-hole machining equipment and deep-hole machining method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013101313668A CN103192116A (en) | 2013-04-16 | 2013-04-16 | Deep-hole machining equipment and deep-hole machining method |
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| CN103192116A true CN103192116A (en) | 2013-07-10 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103394727A (en) * | 2013-07-11 | 2013-11-20 | 沈阳机床股份有限公司中捷钻镗床厂 | Drilling machine |
| CN103691993A (en) * | 2013-12-30 | 2014-04-02 | 海盐双赢管件制造有限公司 | Conveniently-adjusted double-bit fixture |
| CN107671329A (en) * | 2016-08-02 | 2018-02-09 | 庆元金刻自动化设备科技有限公司 | A kind of automatic punch for medical needle punching |
| CN109623385A (en) * | 2019-01-18 | 2019-04-16 | 深圳市高晟智能装备有限公司 | A kind of method and device of the cylindrical surface drilling of pair of cylindrical workpiece |
| CN113560421A (en) * | 2021-07-23 | 2021-10-29 | 厦门礼田兴机械有限公司 | A structure and punching equipment punch a hole for deep hole connecting rod |
| CN114042963A (en) * | 2021-11-06 | 2022-02-15 | 江苏彭中科技发展有限公司 | Drilling machine tool for processing deep hole of machine part |
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| CN101862838A (en) * | 2010-04-27 | 2010-10-20 | 绵阳华晨瑞安汽车零部件有限公司 | Deep hole processing equipment |
| JP2011056603A (en) * | 2009-09-08 | 2011-03-24 | Toshiba Mach Co Ltd | Method and device for machining deep hole |
| CN102059366A (en) * | 2010-11-26 | 2011-05-18 | 长春轨道客车股份有限公司 | Method for processing drilling depth variable type chip breaking and removing deep hole |
| CN201880960U (en) * | 2010-11-30 | 2011-06-29 | 温岭市联星机械有限公司 | Drilling machine with pneumatic feeding device |
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| DE2255354A1 (en) * | 1972-11-11 | 1974-05-22 | Nagel Masch Werkzeug | DEVICE FOR DEEP DRILLING |
| JP2011056603A (en) * | 2009-09-08 | 2011-03-24 | Toshiba Mach Co Ltd | Method and device for machining deep hole |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103394727A (en) * | 2013-07-11 | 2013-11-20 | 沈阳机床股份有限公司中捷钻镗床厂 | Drilling machine |
| CN103691993A (en) * | 2013-12-30 | 2014-04-02 | 海盐双赢管件制造有限公司 | Conveniently-adjusted double-bit fixture |
| CN107671329A (en) * | 2016-08-02 | 2018-02-09 | 庆元金刻自动化设备科技有限公司 | A kind of automatic punch for medical needle punching |
| CN109623385A (en) * | 2019-01-18 | 2019-04-16 | 深圳市高晟智能装备有限公司 | A kind of method and device of the cylindrical surface drilling of pair of cylindrical workpiece |
| CN113560421A (en) * | 2021-07-23 | 2021-10-29 | 厦门礼田兴机械有限公司 | A structure and punching equipment punch a hole for deep hole connecting rod |
| CN114042963A (en) * | 2021-11-06 | 2022-02-15 | 江苏彭中科技发展有限公司 | Drilling machine tool for processing deep hole of machine part |
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Application publication date: 20130710 |