CN106270616A - A kind of permanent magnetism drilling machine - Google Patents
A kind of permanent magnetism drilling machine Download PDFInfo
- Publication number
- CN106270616A CN106270616A CN201610835121.7A CN201610835121A CN106270616A CN 106270616 A CN106270616 A CN 106270616A CN 201610835121 A CN201610835121 A CN 201610835121A CN 106270616 A CN106270616 A CN 106270616A
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- China
- Prior art keywords
- casing
- main shaft
- briquetting
- permanent
- cone pulley
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0003—Arrangements for preventing undesired thermal effects on tools or parts of the machine
Abstract
The invention discloses a kind of permanent magnetism drilling machine, including horizontally disposed base, frame structure and permanent magnetism drilling apparatus, described frame structure includes column, casing and casing slipping mechanism, described permanent magnetism drilling apparatus includes rotary drive mechanism and permanent magnetic vibration mechanism, described rotary drive mechanism is connected with described permanent magnetic vibration mechanism driving, described permanent magnetic vibration mechanism includes for installing described cutter and the main shaft being in transmission connection with described rotary drive mechanism, it is arranged on main shaft and the permanent magnet mechanism of drive shaft up-down vibration and the stretching motion mechanism that is set on main shaft, the amplitude adjusting mechanism for regulating main shaft amplitude it is provided with on described casing.Present configuration is simple, reasonable in design and reliability is high, contacts with making cutter and workpiece generating period hole to be drilled, increases instantaneous drill thrust, reduction drilling temperature, and drilling required time is short, improves fineness and the machining accuracy of surface of the work hole to be drilled.
Description
Technical field
The invention belongs to Machining Technology field, be specifically related to a kind of permanent magnetism drilling machine.
Background technology
From the beginning of new century, China enters the new developmental stage speeded up socialist modernization, and mechanization is takeed on
Bear arduousness historic mission, in order to process on some part intersect arbitrarily angled or with processing Central of the parts line
Angled inclined hole, upright opening or parallel hole etc. need, every country and develop multiple drilling machine specially, nowadays bore
Bed kind has a lot: upright drill, bench drill, horizontal drilling machine, beam drill, milling drilling machine etc..Drilling machine is to have extensively
The versatility lathe of purposes, drilling machine refers to mainly with drill bit lathe of drilling on workpiece.Drilling machine is joined universal table can enter
Row boring, reaming, fraising, when drilling machine is furnished with technological equipment, it is also possible to carry out bore hole.Just can be obtained by drilling processing
Obtaining accurate processing effect, the hole site processed is accurate, and dimensional accuracy is good；Linearity, axiality are high, and have the highest
Surface smoothness and repeatability, and the processing in various forms hole can be carried out easily, for the deep hole of various special shapes, than
Also can solve such as cross bore, inclined hole, blind hole and flat blind hole etc..
Along with the development of Numeric Control Technology, Digit Control Machine Tool is gradually applied in drilling small diameter bore field, but numerical control
System still suffers from some problems: dust enters in numerical control device, and floating dust and metal dust easily cause between components and parts exhausted
Edge resistance declines, thus breaks down and even damage components and parts；In addition, it is necessary to timing cleans the heat dissipation ventilation system of numerical control tank,
Periodic replacement memorizer battery；Furthermore, the digital control system the most not used time remains a need for safeguarding, is energized to digital control system or makes drilling machine
Run temperature machine program, increase the problems such as processing cost；Additionally current, the main drilling hole machine tool used has drill gun lathe, BTA lathe
With spray sucking drilling machine bed, wherein, drill gun lathe is current modal drilling hole machine tool, and its cooling and chip removal need the gas of high pressure
Mist.BTA lathe belongs to outer cold interior chip removal mode, and drilling liquid is by awarding oil device from drilling-rod external wall and workpiece machined surface hole to be drilled
Between enter, arrive tool nose and carry out cooling and lubricating, and drilling is released by drilling rod is internal.This system uses extensively, but is subject to
The restriction of drill pipe bore chip space, is mainly used in the diameter deep hole drilling more than 12mm, is unsatisfactory for adding of small diameter bore
Work；Spray sucking drilling machine bed belongs to BTA deep hole drilling processing, and drilling liquid is entered by oil transportation mouth on connector, the brill of wherein most
Cut liquid and move forward into the annular space between inside and outside drilling rod, arrive tool nose and carry out cooling and lubricating, and drilling is pushed interior brill
Bar inner chamber is discharged backward, and owing to there being inner tube, spray is inhaled brill processing minimum diameter scope and is restricted, typically can not be less than a diameter of
18mm, is therefore not suitable for the processing of small diameter bore.Occur in the market some processing small diameter bore lathe, but its property
Energy imperfection, and when processing small diameter bore and often occur the problem that (1) bores aperture, it is easily generated drilling tumor, drilling is not
Easily discharge, easily cause drilling blocking and cause bit wear and fracture；(2) drill diameter is less, and cutter is continuous with workpiece hole to be drilled
Contact, drilling process heat radiation is bad, and drilling temperature is too high, creates condition to the generation of drilling tumor；(4) easily produce on finished surface
Raw built-up edge, squama thorn and crizzle etc., make workpiece machining surface fineness and geometric accuracy the highest.Therefore, nowadays lack
The permanent magnetism drilling machine that few a kind of simple in construction, reliability are high, reasonable in design, connects with making cutter and workpiece generating period hole to be drilled
Touch, increase instantaneous drill thrust, reduce drilling temperature, and drilling required time is short, improve surface of the work hole to be drilled fineness and
Machining accuracy.
Summary of the invention
The technical problem to be solved is for above-mentioned deficiency of the prior art, it is provided that a kind of permanent magnetism bores
Bed, its simple in construction, reasonable in design and reliability is high, by arranging permanent magnetism drilling apparatus, make cutter occur with workpiece hole to be drilled
Periodically contact, increase instantaneous drill thrust, reduce drilling temperature, and drilling required time is short, improves surface of the work hole to be drilled
Fineness and machining accuracy, practical, it is simple to promote the use of.
For solving above-mentioned technical problem, the technical solution used in the present invention is: a kind of permanent magnetism drilling machine, it is characterised in that: bag
Include horizontally disposed base, the frame structure being arranged on base and the permanent magnetism drilling apparatus being arranged on described frame structure；
Described frame structure includes the column being vertically mounted on base, the casing being arranged on column top and supplies casing edge
The casing slipping mechanism that column moves up and down；
Described permanent magnetism drilling apparatus includes the rotary drive mechanism being arranged on casing and for driving cutter with hole to be drilled
The permanent magnetic vibration mechanism of workpiece periodic contact, described rotary drive mechanism is connected with described permanent magnetic vibration mechanism driving, described
Rotating speed adjusting mechanism for regulating described permanent magnetic vibration mechanism rotary speed, and described rotating speed are installed on rotary drive mechanism
Governor motion is connected with casing；
Described permanent magnetic vibration mechanism includes for installing described cutter and the master being in transmission connection with described rotary drive mechanism
Axle, it is arranged on main shaft and the permanent magnet mechanism of drive shaft up-down vibration and the stretching motion mechanism that is set on main shaft, described
Being provided with the amplitude adjusting mechanism for regulating main shaft amplitude on casing, described main shaft is positioned at casing, and the two of described main shaft
End extends respectively to the outside of casing.
Above-mentioned a kind of permanent magnetism drilling machine, is characterized in that: described permanent magnetic vibration mechanism is positioned at the side of column, described rotation drives
Mechanism is positioned at the opposite side of column；
Described rotary drive mechanism is connected with spindle drive by drive mechanism.
Above-mentioned a kind of permanent magnetism drilling machine, is characterized in that: described permanent magnet mechanism includes being set in main shaft bottom and rotating with main shaft
Movable magnetic disc and be set in main shaft bottom and be positioned at the magnetostatic dish above movable magnetic disc, described magnetostatic dish closely connects with casing inner bottom surface
Touching, described movable magnetic disc is positioned at below casing, and described movable magnetic disc is identical with the structure of magnetostatic dish, and described movable magnetic disc and magnetostatic dish are
Permanent-magnetic clamp, and described movable magnetic disc and magnetostatic dish include spaced permanent magnet N pole and permanent magnet S pole；
Described amplitude adjusting mechanism includes being arranged on outside casing and for the first manual handle manually regulated, is arranged on casing
In and the first rotating shaft of being in transmission connection with first manual handle and be arranged in the first rotating shaft and drive main shaft to move up and down change
The worm screw of main shaft amplitude.
Above-mentioned a kind of permanent magnetism drilling machine, is characterized in that: described spindle jacket is provided with the first sleeve, described first sleeve lateral wall
Being provided with and be engaged in the worm gear part that worm screw carries out rotating, described first sleeve is positioned at casing, and described first sleeve is with magnetostatic
Dish is fixing to be connected；
Described stretching motion mechanism includes being set in the middle part of main shaft and is positioned at the first spring of casing and is set in main shaft
Go up and be positioned at the second spring of the first sleeve；
The top and bottom of described first spring are respectively arranged with the first briquetting and the second briquetting, described first briquetting and
Two briquettings) all it is set on main shaft, the lower end of described first briquetting is in close contact with the upper end of the first spring, described second briquetting
The lower end of upper end and the first spring be in close contact, the lower end of described second briquetting is in close contact with the upper end of the first sleeve；
The upper end of described second spring is provided with pad, and the lower end of described second spring is provided with the 3rd briquetting, and described
Three briquettings are set on main shaft, and the upper end of described 3rd briquetting is in close contact with the lower end of described first sleeve, described 3rd pressure
The lower end of block is in close contact with the upper end of magnetostatic dish, and the lower end of described magnetostatic dish is in close contact with casing inner bottom surface,
Above-mentioned a kind of permanent magnetism drilling machine, is characterized in that: described casing slipping mechanism includes being arranged on outside casing and for manually adjusting
Second-hand's fixed handle of joint, it is arranged in casing and the second rotating shaft of being in transmission connection with second-hand's fixed handle and be arranged on second turn
On axle and drive the gear that moves up and down along column of casing, described column is provided with and is engaged in gear and rotates for gear
Tooth-strip part；
Being provided with locking member on described casing, described locking member includes being arranged on outside casing and for the lock manually regulated
Tight handle, be arranged on casing in and the 3rd rotating shaft that is in transmission connection with set lever and with the 3rd rotating shaft interference fit and and column
The latch segment that can lock.
Above-mentioned a kind of permanent magnetism drilling machine, is characterized in that: described drive mechanism includes being arranged on described rotary drive mechanism
First cone pulley and the second cone pulley being arranged on main shaft and being rotationally connected with the first cone pulley, described first cone pulley and the second cone pulley lead to
Crossing belt to be in transmission connection, described first cone pulley is in transmission connection with described rotary drive mechanism, described second cone pulley and main shaft
It is in transmission connection.
Above-mentioned a kind of permanent magnetism drilling machine, is characterized in that: described rotary drive mechanism is motor, described motor and the first cone pulley pass
It is dynamically connected；
The power supply machine horizontal direction that includes described rotating speed adjusting mechanism moves and changes the first cone pulley and the second cone pulley drive ratio
Guide rail, one end of described guide rail and motor are fixing to be connected, and the other end of described guide rail is arranged on casing by fixture.
The present invention compared with prior art has the advantage that
1, frame structure of the present invention and permanent magnetism drilling apparatus simple in construction, reasonable in design and reliability is high, real
The processing of the small diameter bore of existing a diameter of 1mm～6mm, drilling required time is short and machining accuracy is high.
2, permanent magnetism drilling apparatus of the present invention includes that permanent magnetic vibration mechanism and rotary drive mechanism are driven by rotation
Motivation structure drives permanent magnetic vibration mechanism to rotate, permanent magnetic vibration mechanism energy up-down vibration during permanent magnetic vibration mechanism rotates,
Drive cutter and workpiece periodic contact hole to be drilled, according to Drilling operation demand, adjusted by rotating speed adjusting mechanism and rotate driving
The gear ratio of mechanism's output, changes permanent magnetic vibration mechanism rotary speed, adjusts penetration rate, easy to adjust.
3, permanent magnetic vibration mechanism of the present invention includes main shaft, permanent magnet mechanism and stretching motion mechanism, rotates and drives
Mechanism's drive shaft rotates the processing realizing workpiece hole to be drilled, during rotating, and permanent magnet mechanism drive shaft up-down vibration,
During main shaft up-down vibration, vibration force is offset in contraction or elongation by stretching motion mechanism, it is ensured that main shaft shakes up and down
Dynamic steadily contact with making cutter and workpiece generating period hole to be drilled, it is achieved vibration drilling, within a vibration drilling cycle,
Shorten the process time of tool contact workpiece hole to be drilled, add drilling processing effective time, increase instantaneous drill thrust, reduce and bore
Cut temperature, destroy the Production conditions of drilling tumor, it is to avoid drilling process is holed blocked, reduce work any surface finish hole to be drilled
Degree；In vibration drilling, although cutter is in vibration, but at cutter and absorption surface hole to be drilled and to produce each of drilling instantaneous,
Cutter location is always to maintain constant in drilling process.Owing to workpiece changes the most in time, thus for carrying
High manufacturing accuracy creates condition.
4, amplitude adjusting mechanism of the present invention, can be according to process requirements, and scalable adjusts main shaft up-down vibration
Amplitude, thus change the degree of depth of drilling, wide accommodation in workpiece hole to be drilled.
5, present configuration is simple, it is simple to install, it is easy to accomplish, low cost, safe and reliable.
In sum, present configuration is simple, reasonable in design and reliability is high, by arranging permanent magnetism drilling apparatus, makes cutter
Contact tool and workpiece generating period hole to be drilled, increase instantaneous drill thrust, reduction drilling temperature, and drilling required time is short,
Improve fineness and the machining accuracy of surface of the work hole to be drilled, practical, it is simple to promote the use of.
Below by drawings and Examples, technical scheme is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the A-A sectional view of Fig. 1.
Description of reference numerals:
1 base；2 main shafts；3 first binding nuts；
4 movable magnetic discs；5 the 3rd briquettings；6 magnetostatic dishes；
7 first sleeves；8-1 the first thrust ball bearing；
8-2 the second thrust ball bearing；10-1 the first needle bearing；
10-2 the second needle bearing；11 worm screws；12 worm gear part；
13 second briquettings；14-1 the first spring；14-2 the second spring；
15 first briquettings；16 trip bolts；17 second sleeves；
18 second binding nuts；19 second screws；20 the 3rd sleeves；
21 deep groove ball bearings；23 second cone pulleys；25 latch segments；
26 the 3rd rotating shafts；27 locking nuts；28 belts；
29 guide rails；30 the 3rd screws；31 protective covers；
32 the 4th briquettings；33 pads；34 first cone pulleys；
36 motors；37 the 4th screws；38 packing rings；
39 casings；40 columns；41 first screws
42 linings；43 gears；44 second rotating shafts；
45 tooth-strip parts；46 first manual handles；51 set levers；
52 second-hand's fixed handle 53 first rotating shafts.
Detailed description of the invention
As depicted in figs. 1 and 2, the present invention include horizontally disposed base 1, the frame structure that is arranged on base 1 and peace
The permanent magnetism drilling apparatus being contained on described frame structure；Make cutter, with workpiece hole to be drilled, occur week by arranging permanent magnetism drilling apparatus
The contact of phase property ground, increases instantaneous drill thrust, reduces drilling temperature, shortens boring required time, improves surface of the work hole to be drilled
Fineness and machining accuracy.
Described frame structure includes the column 40 being vertically mounted on base 1, is arranged on casing 39 and on column 40 top
The casing slipping mechanism moved up and down along column 40 for casing 39；By arranging column 40, it is to install casing 39, and case
Body 39 can move up and down along column 40, regulates the casing 39 vertical distance away from workpiece hole to be drilled, thus is applicable to multiple hole to be drilled
The processing of workpiece, wide accommodation.
Described permanent magnetism drilling apparatus includes being arranged on the rotary drive mechanism on casing 39 and for driving cutter with to be drilled
The permanent magnetic vibration mechanism of hole workpiece periodic contact, described rotary drive mechanism is connected with described permanent magnetic vibration mechanism driving, institute
State the rotating speed adjusting mechanism being provided with on rotary drive mechanism for regulating described permanent magnetic vibration mechanism rotary speed, and described turn
Speed governor motion is connected with casing 39；By arranging permanent magnetic vibration mechanism, make described cutter and workpiece generating period hole to be drilled
Ground contact, it is achieved vibration drilling, within a vibration drilling cycle, shortens the process time of tool contact workpiece hole to be drilled, increases
Having added drilling processing effective time, cutter obtains the biggest instantaneous velocity and instantaneous acceleration in the least displacement, increases wink
Time drill thrust, meanwhile, reduce drilling temperature, cut destroy produce BUE condition, improve the bright and clean of surface of the work hole to be drilled
Degree, in vibration drilling, although cutter is in up-down vibration, but in cutter and absorption surface hole to be drilled each wink producing drilling
Time, cutter location is always to maintain constant in drilling process.Owing to workpiece changes the most in time, thus it is
Improve machining accuracy and create condition.
By arranging rotary drive mechanism, in order to, during cutter with absorption surface hole to be drilled, be driven by rotation
Mechanism drives cutter to rotate, it is achieved treat the drilling of drilling-workpiece, simple in construction, easy making process.
Described permanent magnetic vibration mechanism includes for installing described cutter and the master being in transmission connection with described rotary drive mechanism
Axle 2, it is arranged on main shaft 2 and the permanent magnet mechanism of drive shaft 2 up-down vibration and the stretching motion mechanism that is set on main shaft 2,
Being provided with the amplitude adjusting mechanism for regulating main shaft 2 amplitude on described casing 39, described main shaft 2 is positioned at casing 39, and institute
The two ends stating main shaft 2 extend respectively to the outside of casing 39.By arranging amplitude adjusting mechanism, shake to adjust main shaft about 2
Dynamic amplitude, thus change the degree of depth of drilling, it being adapted to the processing of different hole depth, the range of work is wide.
In the present embodiment, described column 40 is provided with lining 42 with the junction of base 1, and described lining 42 is set in column
Outside 40, and described lining 42 is arranged on base 1 by the first screw 41.The setting of lining 42, in order to eliminate column 40 and the end
The assemblage gap of seat 1, and decrease column 40 and the abrasion of base 1 during main shaft 2 up-down vibration.
In the present embodiment, described permanent magnetic vibration mechanism is positioned at the side of column 40, and described rotary drive mechanism is positioned at column
The opposite side of 40；Described rotary drive mechanism is in transmission connection with main shaft 2 by drive mechanism.
In the present embodiment, described permanent magnet mechanism includes being set in main shaft 2 bottom and the movable magnetic disc 4 rotated with main shaft 2 and set
Being located at main shaft 2 bottom and be positioned at the magnetostatic dish 6 above movable magnetic disc 4, described magnetostatic dish 6 is in close contact with casing 39 inner bottom surface, institute
Stating movable magnetic disc 4 and be positioned at below casing 39, described movable magnetic disc 4 is identical with the structure of magnetostatic dish 6, and described movable magnetic disc 4 and magnetostatic dish 6 are equal
For permanent-magnetic clamp, and described movable magnetic disc 4 and magnetostatic dish 6 include spaced permanent magnet N pole and permanent magnet S pole；Setting of movable magnetic disc 4
Put, in order to rotate with main shaft 2, and during movable magnetic disc 4 rotates, attraction can be produced with magnetostatic dish 6 or repel, so that
Main shaft 2 can up-down vibration.
Described amplitude adjusting mechanism includes being arranged on outside casing 39 and for the first manual handle 46 manually regulated, is arranged on
The first rotating shaft 53 of in casing 39 and being in transmission connection with first manual handle 46 and be arranged in the first rotating shaft 53 and drive main shaft 2
Move up and down the worm screw 11 changing main shaft 2 amplitude.The setting of first manual handle 46, convenient in order to manually regulate, and manually
Rotate first manual handle 46, make worm screw 11 rotate and drive main shaft 2 to move up and down, change the amplitude of main shaft 2.
In the present embodiment, described main shaft 2 bottom is provided with for coordinating the threaded portion installing movable magnetic disc 4, described movable magnetic disc 4
It is connected with fixing at main shaft 2 by the first binding nut 3, prevents movable magnetic disc 4 from getting loose with main shaft 2, affect movable magnetic disc 4 and magnetostatic dish
6 effects attracting or repelling.
In the present embodiment, being arranged with first set cylinder 7 outside described main shaft 2, described first sleeve 7 lateral wall is provided with and is engaged in
Worm screw 11 carries out the worm gear part 12 rotated, and described first sleeve 7 is positioned at casing 39, and described first sleeve 7 and magnetostatic dish 6 are admittedly
Fixed connection；By arranging worm gear part 12, in order to be in transmission connection with worm screw 11, drive worm gear part about 12 by the rotation of worm screw 11
Mobile, it is achieved moving up and down of the first sleeve 7, it is connected, so the first sleeve 7 is upper and lower because the first sleeve 7 is fixing with main shaft 2
Mobile drive main shaft 2 moves up and down, thus realizes the regulation of main shaft 2 amplitude, and regulative mode is simple, and easily operates.
The first spring 14-1 that described stretching motion mechanism includes being set in the middle part of main shaft 2 and be positioned at casing 39 and sheathed
On main shaft 2 and be positioned at the second spring 14-2 of the first sleeve 7, by arranging the first spring 14-1's and the second spring 14-2
Shrink or vibration force is offset in elongation, it is ensured that the up-down vibration of main shaft 2 is steady, make cutter put down with workpiece generating period hole to be drilled
Contact quietly.The top and bottom of described first spring 14-1 are respectively arranged with the first briquetting 15 and the second briquetting 13, and described
One briquetting 15 and the second briquetting 13 are all set on main shaft 2, the lower end of described first briquetting 15 and the upper end of the first spring 14-1
Being in close contact, the upper end of described second briquetting 13 is in close contact with the lower end of the first spring 14-1, described second briquetting 13 times
End is in close contact with the upper end of the first sleeve 7.
In the present embodiment, the top of described first briquetting 15 is provided with the first thrust ball bearing 8-1, described first thrust ball
Bearing 8-1 is set on main shaft 2, and the upper end of described first briquetting 15 is in close contact with the first thrust ball bearing 8-1.
In the present embodiment, the first briquetting 15 and setting of the second briquetting 13, in order to block the first spring 14-1, when main shaft 2
When up-down vibration, the first spring 14-1 shrinks or vibration force is offset in elongation, and the first briquetting 15 and the second briquetting 13 can
First thrust ball bearing 8-1 is played axial constraint, avoids the first spring 14-1 and the first thrust ball bearing 8-1 directly to connect simultaneously
Touch and produce abrasion, improve the service life of the first thrust ball bearing 8-1.
In the present embodiment, the upper end of described first thrust ball bearing 8-1 is provided with the second sleeve 17, described second sleeve 17
Being set on main shaft 2, and described second sleeve 17 is positioned at casing 39, the lower end of described second sleeve 17 props up the first thrust ball
The internal ring of bearing 8-1, prevents thrust ball in the first thrust ball bearing 8-1 from skidding, affects work efficiency；It addition, by second
The second binding nut 18 is installed in the upper end of sleeve 17, and the second binding nut 18 had both played fixing pine set the second sleeve 17 and acted on, again
Can screw or unclamp by the decrement adjusting the first spring 14-1 to obtain certain pretension amount.
In the present embodiment, the upper end of described second spring 14-2 is provided with pad 33, the lower end of described second spring 14-2
Being provided with the 3rd briquetting 5, described 3rd briquetting 5 is set on main shaft 2, the upper end of described 3rd briquetting 5 and described first sleeve 7
Lower end be in close contact, the upper end of the lower end of described 3rd briquetting 5 and magnetostatic dish 6 is in close contact, the lower end of described magnetostatic dish 6 with
The bottom of casing 39 is in close contact.Ensure that the position of magnetostatic dish 6 is fixed, can be with movable magnetic disc 4 Stabilization.
In the present embodiment, be disposed with from top to bottom between described first sleeve 7 and main shaft 2 first needle bearing 10-1,
Second needle bearing 10-2 and the second thrust ball bearing 8-2, described first needle bearing 10-1, the second needle bearing 10-2 and
Two thrust ball bearing 8-2 are all set on main shaft 2, and described first needle bearing 10-1, the second needle bearing 10-2 and second
The lateral wall of thrust ball bearing 8-2 is respectively positioned in the first sleeve 7, the upper end inwall of described first sleeve 7 and the first needle bearing
The upper end of 10-1 is in close contact.First needle bearing 10-1 and the setting of the second needle bearing 10-2, can limit the radial direction of main shaft 2
Mobile, thus reduce the radial vibration produced when main shaft 2 rotates.
In the present embodiment, described pad 33 and the second thrust ball bearing 8-2 is in close contact, described pad 33 and the 3rd briquetting
The setting of 5, in order to block the second spring 14-2, when main shaft 2 is in up-down vibration, the second spring 14-2 shrinks or elongation is offset
Vibration force, and the second thrust ball bearing 8-2 can play axial constraint by described pad 33 and the 3rd briquetting 5, avoids simultaneously
Two spring 14-2 and the second thrust ball bearing 8-2 directly contact generation abrasion, improve the use longevity of the second thrust ball bearing 8-2
Life.
In the present embodiment, the first spring 14-1 and the second spring 14-2 of setting can produce axial load when stretching, and pass through
Installing the first thrust ball bearing 8-1 and the second thrust ball bearing 8-2 on main shaft 2 is to reduce the radial direction produced when main shaft 2 rotates
Vibration.
In the present embodiment, described casing slipping mechanism includes that being arranged on outer and for manually regulation the second-hand of casing 39 starts
Handle 52, be arranged on casing 39 in and the second rotating shaft 44 of being in transmission connection with second-hand's fixed handle 52 and being arranged in the second rotating shaft 44
And the gear 43 that drive casing 39 moves up and down along column 40, described column 40 is provided with and is engaged in gear 43 and for along gear
43 carry out the tooth-strip part 45 rotated；By arranging gear 43 and tooth-strip part 45, in order to make casing 39 move up and down along column 40, adjust
The height of joint casing 39, to be adapted to the processing of different workpiece hole to be drilled, by arranging second-hand's fixed handle 52, for manually behaviour
Make, simple operation.
Being provided with locking member on described casing 39, described locking member includes being arranged on outside casing 39 and for manually regulation
Set lever 51, be arranged on casing 39 in and the 3rd rotating shaft 26 that is in transmission connection with set lever 51 and with the 3rd rotating shaft 26 mistake
It is full of and coordinates and the latch segment 25 that can lock with column 40.By arranging set lever 51, when casing 39 regulates to processing request
Highly make, manual operation set lever 51, make latch segment 25 lock with column 40, it is achieved the fastening of casing 39, it is ensured that casing 39
Main shaft 2 up-down vibration or rotary course are stablized.
In the present embodiment, described drive mechanism includes the first cone pulley 34 being arranged on described rotary drive mechanism and installs
The second cone pulley 23 being rotationally connected on main shaft 2 and with the first cone pulley 34, described first cone pulley 34 and the second cone pulley 23 pass through skin
Band 28 is in transmission connection, and described first cone pulley 34 is in transmission connection with described rotary drive mechanism, and described second cone pulley 23 is with main
Axle 2 is in transmission connection.First cone pulley 34 is mutually inverted with the second cone pulley 23, the first cone pulley 34 and the second mutual corresponding transmission of cone pulley 23
Groove carries out transmission by belt 28, has the advantages such as simple in construction, production cost are low.
In the present embodiment, being provided with unloading mechanism between described second cone pulley 23 and main shaft 2, described unloading mechanism includes sheathed
The 3rd sleeve 20 outside main shaft 2 and in being arranged on the second cone pulley 23 and be set in the deep groove ball bearing 21 outside the 3rd sleeve 20,
Described deep groove ball bearing 21 and the 3rd sleeve 20 interference fit, and described 3rd sleeve 20 is arranged on casing by the second screw 19
On 39, by arranging unloading mechanism, a part of power is passed to main shaft 2 by the second cone pulley 23, and another part power is delivered to deeply
Ditch ball bearing 21, radially power acts on the 3rd sleeve 20 by deep groove ball bearing 21, reduces the impact on main shaft 2 radial direction.
In the present embodiment, described drive mechanism is outside equipped with protective cover 31, and the upper end of described first cone pulley 34 is provided with
Four briquettings 32, described 4th briquetting 32 is connected by the 3rd screw 30 is fixing with the output shaft of the first cone pulley 34 and motor 36.Logical
Cross and the 4th briquetting 32 is set ensures that the output shaft of motor 36 and the first cone pulley 34 are stably connected with.
In the present embodiment, protective cover 31 is arranged on casing 39 by trip bolt 16.
In the present embodiment, described rotary drive mechanism is motor 36, and described motor 36 is in transmission connection with the first cone pulley 34；
Power supply machine 36 horizontal direction that includes described rotating speed adjusting mechanism moves and changes the first cone pulley 34 and the second cone pulley 23
The guide rail 29 of gear ratio, one end of described guide rail 29 is fixing with motor 36 to be connected, and the other end of described guide rail 29 passes through fixture
It is arranged on casing 39.The regulation motor 36 horizontal range away from casing 39 changes the first cone pulley 34 and transmission of the second cone pulley 23
Ratio, according to actual process requirements, adjusts the first cone pulley 34 and the second cone pulley 23 gear ratio is 1,0.8,0.64 or 0.51, thus change
Become the rotating speed of main shaft 2, carry out simplicity to being arranged on the penetration rate that main shaft 2 fixes a cutting tool, quickly adjust.
During actually used, described motor 36 being provided with the installing plate for installing guide rail 29, described guide rail 29 leads to
Cross that the 4th screw 37 and packing ring 38 and described installing plate are fixing to be connected.
In the present embodiment, described fixture is locking nut 27.
During actually used, described fixture can also use other can realize the fixing fixture of guide rail 29.
In the present embodiment, the output shaft of described motor 36 is in transmission connection by the first spline and the first cone pulley 34, and described the
Two cone pulleys 23 are in transmission connection with main shaft 2 by the second spline so that the power of motor 36 passes sequentially through the first cone pulley 34 and second
Cone pulley 23 passes to main shaft 2, for the powered rotation source of main shaft 2, when cutter contacts with workpiece to be processed, by main shaft 2
Rotarily drive cutter rotate, it is achieved drilling.
When the present invention uses, when motor 36 does not works, movable magnetic disc 4 and magnetostatic dish 6 are in mutually exclusive state, motor
36 enter duty, and motor 36 output shaft imparts power to the first cone pulley 34, and the first cone pulley 34 rotates, the first cone pulley 34
Rotating through belt 28 drives the second cone pulley 23 to rotate, and the rotation of the second cone pulley 23 drives main shaft 2 to start to rotate, turning of main shaft 2
Drilling is reversed in dynamic realization, and meanwhile, the rotation of main shaft 2 makes the movable magnetic disc 4 being arranged on main shaft 2 start to rotate, when movable magnetic disc 4 is with magnetostatic
The homopolarity of dish 6 relative to time, produce repulsion, main shaft 2 moves downward, the first spring 14-1 and the second spring 14-2 compression；When dynamic magnetic
The heteropole of dish 4 and magnetostatic dish 6 relative to time, produce gravitation, main shaft 2 moves upward, and the first spring 14-1 and the second spring 14-2 is extensive
Complex variable, the most back and forth realizes the up-down vibration of main shaft 2, contacts with making cutter and workpiece generating period hole to be drilled, it is achieved
Vibration drilling, increases instantaneous drill thrust, reduces drilling temperature, and drilling required time is short, improves the light of surface of the work hole to be drilled
Cleanliness and machining accuracy, practical.
The above, be only presently preferred embodiments of the present invention, not impose any restrictions the present invention, every according to the present invention
Any simple modification, change and the equivalent structure change that above example is made by technical spirit, all still falls within skill of the present invention
In the protection domain of art scheme.
Claims (7)
1. a permanent magnetism drilling machine, it is characterised in that: include horizontally disposed base (1), the frame structure being arranged on base (1)
With the permanent magnetism drilling apparatus being arranged on described frame structure；
Described frame structure includes the column (40) being vertically mounted on base (1), is arranged on the casing on column (40) top
(39) the casing slipping mechanism and for casing (39) moved up and down along column (40)；
Described permanent magnetism drilling apparatus includes the rotary drive mechanism being arranged on casing (39) and is used for driving cutter with hole to be drilled
The permanent magnetic vibration mechanism of workpiece periodic contact, described rotary drive mechanism is connected with described permanent magnetic vibration mechanism driving, described
Rotating speed adjusting mechanism for regulating described permanent magnetic vibration mechanism rotary speed, and described rotating speed are installed on rotary drive mechanism
Governor motion is connected with casing (39)；
Described permanent magnetic vibration mechanism includes for installing described cutter and the main shaft being in transmission connection with described rotary drive mechanism
(2), it is arranged on that main shaft (2) is upper and the permanent magnet mechanism of drive shaft (2) up-down vibration and the stretching motion that is set on main shaft (2)
Mechanism, described casing (39) is provided with the amplitude adjusting mechanism for regulating main shaft (2) amplitude, and described main shaft (2) is positioned at case
In body (39), and the two ends of described main shaft (2) extend respectively to the outside of casing (39).
2. according to a kind of permanent magnetism drilling machine described in claim 1, it is characterised in that: described permanent magnetic vibration mechanism is positioned at column (40)
Side, described rotary drive mechanism is positioned at the opposite side of column (40)；
Described rotary drive mechanism is in transmission connection with main shaft (2) by drive mechanism.
3. according to a kind of permanent magnetism drilling machine described in claim 1 or 2, it is characterised in that: described permanent magnet mechanism includes being set in master
Axle (2) bottom and the movable magnetic disc (4) rotated with main shaft (2) and be set in main shaft (2) bottom and be positioned at the quiet of movable magnetic disc (4) top
Disk (6), described magnetostatic dish (6) is in close contact with casing (39) inner bottom surface, and described movable magnetic disc (4) is positioned at casing (39) lower section,
Described movable magnetic disc (4) is identical with the structure of magnetostatic dish (6), and described movable magnetic disc (4) and magnetostatic dish (6) are permanent-magnetic clamp, and described
Movable magnetic disc (4) and magnetostatic dish (6) include spaced permanent magnet N pole and permanent magnet S pole；
Described amplitude adjusting mechanism includes that being arranged on casing (39) outward and supplies the first manual handle (46) of manually regulation, is arranged on
The first rotating shaft (53) of in casing (39) and being in transmission connection with first manual handle (46) and be arranged on the first rotating shaft (53) go up and
Main shaft (2) is driven to move up and down the worm screw (11) changing main shaft (2) amplitude.
4. according to a kind of permanent magnetism drilling machine described in claim 3, it is characterised in that: described main shaft is arranged with first set cylinder outside (2)
(7), described first sleeve (7) lateral wall is provided with and is engaged in the worm gear part (12) that worm screw (11) carries out rotating, described first set
Cylinder (7) is positioned at casing (39), and described first sleeve (7) and magnetostatic dish (6) are fixed and connected；
Described stretching motion mechanism includes being set in main shaft (2) middle part and being positioned at the first spring (14-1) and the set of casing (39)
It is located on main shaft (2) and is positioned at second spring (14-2) of the first sleeve (7)；
The top and bottom of described first spring (14-1) are respectively arranged with the first briquetting (15) and the second briquetting (13), and described
One briquetting (15) and the second briquetting (13)) all it is set on main shaft (2), the lower end of described first briquetting (15) and the first spring
(14-1) upper end is in close contact, and the upper end of described second briquetting (13) is in close contact with the lower end of the first spring (14-1), institute
The upper end of the lower end and the first sleeve (7) of stating the second briquetting (13) is in close contact；
The upper end of described second spring (14-2) is provided with pad (33), and the lower end of described second spring (14-2) is provided with the 3rd
Briquetting (5), described 3rd briquetting (5) is set on main shaft (2), the upper end of described 3rd briquetting (5) and described first sleeve (7)
Lower end be in close contact, the upper end of the lower end of described 3rd briquetting (5) and magnetostatic dish (6) is in close contact, described magnetostatic dish (6)
Lower end is in close contact with casing (39) inner bottom surface.
5. according to a kind of permanent magnetism drilling machine described in claim 3, it is characterised in that: described casing slipping mechanism includes being arranged on case
Body (39) outward and for manually regulation second-hand's fixed handle (52), be arranged on casing (39) in and pass with second-hand's fixed handle (52)
The second rotating shaft (44) of being dynamically connected and to be arranged on the second rotating shaft (44) upper and drive casing (39) to move up and down along column (40)
Gear (43), described column (40) is provided with and is engaged in gear (43) and carries out the tooth-strip part (45) rotated for gear (43)；
Being provided with locking member on described casing (39), described locking member includes that being arranged on casing (39) outward and regulates for manual
Set lever (51), be arranged in casing (39) and the 3rd rotating shaft (26) that is in transmission connection with set lever (51) and with the 3rd
Rotating shaft (26) interference fit and the latch segment (25) can locked with column (40).
6. according to a kind of permanent magnetism drilling machine described in claim 2, it is characterised in that: described drive mechanism includes being arranged on described rotation
Turn the first cone pulley (34) in drive mechanism and be arranged on the second cone pulley that main shaft (2) is upper and is rotationally connected with the first cone pulley (34)
(23), described first cone pulley (34) and the second cone pulley (23) are in transmission connection by belt (28), described first cone pulley (34)
Being in transmission connection with described rotary drive mechanism, described second cone pulley (23) is in transmission connection with main shaft (2).
7. according to a kind of permanent magnetism drilling machine described in claim 6, it is characterised in that: described rotary drive mechanism is motor (36),
Described motor (36) is in transmission connection with the first cone pulley (34)；
Power supply machine (36) horizontal direction that includes described rotating speed adjusting mechanism moves and changes the first cone pulley (34) and the second cone pulley
(23) guide rail (29) of gear ratio, one end of described guide rail (29) and motor (36) are fixing to be connected, another of described guide rail (29)
End is arranged on casing (39) by fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610835121.7A CN106270616B (en) | 2016-09-20 | 2016-09-20 | A kind of permanent magnetism drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610835121.7A CN106270616B (en) | 2016-09-20 | 2016-09-20 | A kind of permanent magnetism drilling machine |
Publications (2)
| Publication Number | Publication Date |
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| CN106270616A true CN106270616A (en) | 2017-01-04 |
| CN106270616B CN106270616B (en) | 2018-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610835121.7A Expired - Fee Related CN106270616B (en) | 2016-09-20 | 2016-09-20 | A kind of permanent magnetism drilling machine |
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| Country | Link |
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| CN (1) | CN106270616B (en) |
Cited By (3)
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| CN106825665A (en) * | 2017-01-18 | 2017-06-13 | 重庆新炬鑫机械有限公司 | Flywheel drilling tool |
| CN112222481A (en) * | 2020-10-10 | 2021-01-15 | 蒋小春 | Bench drilling machine convenient to operation is used |
| CN112554380A (en) * | 2020-10-29 | 2021-03-26 | 昆明华城兴建材有限公司 | Support framework of asbestos-free calcium silicate board partition wall |
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| CN112222481A (en) * | 2020-10-10 | 2021-01-15 | 蒋小春 | Bench drilling machine convenient to operation is used |
| CN112222481B (en) * | 2020-10-10 | 2021-11-16 | 山东新景机械有限公司 | Bench drilling machine convenient to operation is used |
| CN112554380A (en) * | 2020-10-29 | 2021-03-26 | 昆明华城兴建材有限公司 | Support framework of asbestos-free calcium silicate board partition wall |
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| Publication number | Publication date |
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| CN106270616B (en) | 2018-09-07 |
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