CN102975030A - Magnetic workbench - Google Patents
Magnetic workbench Download PDFInfo
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- CN102975030A CN102975030A CN2011102655502A CN201110265550A CN102975030A CN 102975030 A CN102975030 A CN 102975030A CN 2011102655502 A CN2011102655502 A CN 2011102655502A CN 201110265550 A CN201110265550 A CN 201110265550A CN 102975030 A CN102975030 A CN 102975030A
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- 230000005291 magnetic effect Effects 0.000 title claims abstract description 198
- 230000007246 mechanism Effects 0.000 claims abstract description 44
- 230000003028 elevating effect Effects 0.000 claims description 21
- 230000005347 demagnetization Effects 0.000 claims description 9
- 238000007664 blowing Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 8
- 238000010521 absorption reaction Methods 0.000 abstract description 5
- 230000005389 magnetism Effects 0.000 abstract description 2
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
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- 229910001018 Cast iron Inorganic materials 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
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Abstract
The invention discloses a magnetic workbench which comprises a magnetic bench and a magnetic lifting mechanism, wherein the magnetic bench is capable of magnetizing and demagnetizing. The lower end of the magnetic lifting mechanism is suitable for being installed on a workbench seat. The upper end of the magnetic lifting mechanism is connected with the bottom portion of the magnetic bench to enable the magnetic bench to be controlled to ascend or descend. The magnetic workbench enables the magnetic bench to ascend or descend according to requirements. Therefore the optimal absorption effect between the upper surface of the magnetic bench and the lower surface of a tube plate can be reached. The anti-vibration property of the tube plate is improved and the magnetic workbench is convenient to operate. When the magnetic bench is provided with the magnetism, the upper arc portion of the tube plate can be drawn downward to be level; and when the magnetic bench is demagnetized, the upper surface of the magnetic bench can be sunk above the lower limit position and below the top end of a support post to avoid a cutting edge of a high speed drill bit when a through hole is drilled in the tube plate.
Description
Technical field
The present invention relates to a kind of workbench, especially relate to a kind of magnetic working table.
Background technology
At present in the machine industry, in order to solve the busy situation of large-scale heat exchanger drilling of tubesheet task, the flower of not stinting pays a high price for the High-speed Computer number control multiple drill press, utilizes expensive import high speed machine clip alloy bit, to improve at a high speed and efficiently speed and the crudy of drilling of tubesheet.
Because length and the wide size of tube sheet are increasing, plate thickness is very thin, the boring rigidity is very poor, at boring front middle part arming folder hole and groove, poor rigidity when causing large-scale thin plate boring, vibrations are large, and the middle part is unsettled when how to solve large-scale drilling of tubesheet, clamping rigidity when guaranteeing boring has again simultaneously just become an important technique difficult problem.Common fixed form is to adopt a large amount of upright supports tube sheets, with follower bolt tube sheet is pushed down around tube sheet again.Because tube sheet exists unevenness, particularly the unevenness at some position of large-scale tube sheet may be greatly to about the 2-5mm.The hole that does not come outbreak out under the level state might not reach designing requirement and quality standard; Especially uneven in the middle of the tube sheet and can only not have downward thrust to tube sheet only to upper support, tube sheet is very unstable, during the Multi-drill bit high-speed drilling, not only to bore back-up block badly, and can produce very large vibrations and ear-piercing sympathetic response sound, can have a strong impact on operator's physical and mental health; Simultaneously, high speed vibration also can have a strong impact on the service life of expensive alloy bit, and it is just damaged that more than one thousand yuan alloy bit may not bore two pairs of tube sheets, increased the boring cost; Many enterprises can only take to manage in advance to bore locating hole in the tube sheet centre position, with the fixing mode of screw mandrel bolt.Because designing requirement must not be destroyed in this hole, also corresponding with the T-shaped groove on the multiple drill press cast iron workbench, great positioning difficulty is not only arranged, also can expend a large amount of service working times, service working time often occurs greater than the situation of actual drilling time, have a strong impact on operating efficiency.
Summary of the invention
The present invention is intended to one of solve the problems of the technologies described above at least.For this reason, one object of the present invention is to propose a kind of have fixed tube sheet convenience, anti-vibration, easy to operate, tube sheet is adopted the magnetic working table of absorption fixed form.
Magnetic working table according to the embodiment of the invention comprises: but the magnetic force platform of magnetisation and demagnetization; With magnetic force platform elevating mechanism, the lower end of described magnetic force platform elevating mechanism is suitable for being installed on the table rest, and described magnetic force platform elevating mechanism and described magnetic force platform phase downlink connection are so that described magnetic force platform controllability ground rises or descends.
Magnetic working table according to the embodiment of the invention has magnetic force platform and magnetic elevating mechanism, the magnetic force platform is risen, the lower surface that can make like this upper surface of magnetic force platform and tube sheet near to or in contact with, reach best adsorption effect, make the location of tube sheet to be processed convenient, simultaneously, improved the anti-shake performance of tube sheet, and it is very convenient to operate.In addition, the magnetic force platform is descended, thus, when the magnetic force platform has magnetic, the upper arch at some position of tube sheet can be pulled down flatly, reduce or eliminate the unevenness of tube sheet in when boring, improved machining accuracy, can also when the demagnetization of magnetic force platform, magnetic force platform upper surface be sunk the blade of high speed bit when being used for hiding drilling pipe plate through hole.
In addition, magnetic working table according to the above embodiment of the present invention can also have following additional technical characterictic:
According to some embodiments of the present invention, the driver part of described magnetic force platform elevating mechanism is hydraulic cylinder, cylinder, manually reverses link gear or electric reverse link gear.
According to one embodiment of present invention, described magnetic force platform elevating mechanism is the scissors linkage.
According to examples more of the present invention, described scissors linkage comprises: first to fourth connecting rod, the first end of described first connecting rod is connected pivotly with the lower surface of described magnetic force platform, the first end of described second connecting rod is connected pivotly with described table rest, the second end of described first connecting rod and the second end of second connecting rod link to each other pivotly, the first end of described third connecting rod is connected pivotly with the lower surface of described magnetic force platform, the first end of described the 4th connecting rod is connected pivotly with described table rest, and the second end of described third connecting rod links to each other pivotly with the second end of the 4th connecting rod; And driver, the first end of described driver links to each other pivotly with the second end of described the first and second connecting rods and the second end of described driver and the second end of described the third and fourth connecting rod link to each other pivotly to drive the second termination of the second end of described the first and second connecting rods and described the third and fourth connecting rod near or away from.
According to an example of the present invention, described driver is that an end of cylinder or the described cylinder of hydraulic cylinder or hydraulic cylinder links to each other with the second end of described the first and second connecting rods, and the other end of described cylinder or hydraulic cylinder links to each other with the second end of described the third and fourth connecting rod.
According to a concrete example of the present invention, described scissors linkage also comprises first to fourth mount pad, the described first and the 3rd mount pad is installed on the lower surface of described magnetic force platform, the described second and the 4th mount pad is installed on the described table rest, and the first end of described first to fourth connecting rod links to each other pivotly with described first to fourth mount pad respectively.
According to some embodiments of the present invention, also comprise guiding mechanism, described guiding mechanism upper end is installed in the bottom of described magnetic force platform, and the lower end is installed on the described table rest.
According to one embodiment of present invention, described guiding mechanism is the elastic guide column assembly.
According to some embodiments of the present invention, described elastic guide column assembly comprises: sleeve, and open bottom end and the top of described sleeve are provided with opening, and the bottom of described sleeve is installed on the described table rest; Inner sleeve, described inner sleeve are installed on the described table rest and are positioned at described sleeve; Guide pillar, the lower end of described guide pillar can be engaged in the described inner sleeve up or down, the opening upwards that described sleeve top is passed in the upper end of described guide pillar stretches out described sleeve and links to each other with the lower surface of described magnetic force platform, wherein said guide pillar is provided with the stopper section, and described stopper section is between the inner roof wall of the top of described inner sleeve and described sleeve; And spring, described spring housing is on the described guide pillar and be located between the inner roof wall of described stopper section and described sleeve.
According to examples more of the present invention, the lower end of described guide pillar is engaged in the described inner sleeve by linear bearing.
According to an example of the present invention, described elastic guide column assembly also comprises Connection Block, and described Connection Block is installed on the lower surface of described magnetic force platform, and the upper end of described guide pillar links to each other with described Connection Block by bearing pin.
According to some embodiments of the present invention, comprise also and blow bits mechanism that the described bits mechanism of blowing is located at the upper surface blown bits that are used on the described magnetic force platform described magnetic force platform.
According to one embodiment of present invention, the described bits mechanism of blowing comprises: nozzle location holder, and described nozzle location holder is installed on the described magnetic force platform; Nozzle pole, described nozzle pole is provided with flange, and the lower end of described nozzle pole can be engaged in the holder of described nozzle location up or down, and described flange is positioned at the upper surface top of described nozzle location holder; Helical spring, described helical spring are enclosed within described nozzle pole upward and locate between the holder at described flange and described nozzle; And nozzle, described nozzle is installed in the upper end of described nozzle pole.
According to a concrete example of the present invention, described magnetic force platform is permanent-magnet platform, electromagnetic force platform or electrical control permanent-magnetic platform.
Additional aspect of the present invention and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is that single according to an embodiment of the invention magnetic force platform and magnetic force platform lifting structure are installed in the structural representation on the table rest;
Fig. 2 is that single according to an embodiment of the invention magnetic force platform and magnetic force platform lifting structure are installed in the schematic side view on the table rest;
Fig. 3 is the schematic top plan view of table rest according to an embodiment of the invention;
Fig. 4 is the schematic side view of table rest according to an embodiment of the invention;
Fig. 5 is the enlarged diagram at A place among Fig. 4;
Fig. 6 is the working state schematic representation of magnetic force platform lifting structure according to an embodiment of the invention;
Fig. 7 is the overall structure schematic diagram of according to an embodiment of the invention magnetic working table;
Fig. 8 is the overall structure schematic side view of according to an embodiment of the invention magnetic working table; With
Fig. 9 is the structural representation that blows according to an embodiment of the invention bits mechanism.
The specific embodiment
The below describes embodiments of the invention in detail, and the example of described embodiment is shown in the drawings, and wherein identical or similar label represents identical or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " " center "; " vertically "; " laterally "; " on "; D score; " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of indications such as " outward " are based on orientation shown in the drawings or position relationship, only be for convenience of description the present invention and simplified characterization, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance.
In description of the invention, need to prove that unless clear and definite regulation and restriction are arranged in addition, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be to be fixedly connected with, also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can indirectly link to each other by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand above-mentioned term concrete meaning in the present invention.
Below with reference to the magnetic working table of accompanying drawing description according to the embodiment of the invention.
Magnetic working table according to the embodiment of the invention can comprise: but the magnetic force platform 2 of magnetisation and demagnetization and magnetic force platform elevating mechanism 4, the lower end of magnetic force platform elevating mechanism 4 is suitable for being installed on the table rest 1, magnetic force platform elevating mechanism 4 upper ends are connected with magnetic force platform 2 bottoms, so that magnetic force platform 2 controllabilitys ground rises or descends.
Magnetic working table according to the embodiment of the invention has magnetic force platform 2 and magnetic elevating mechanism 4, magnetic force platform 2 is risen, the lower surface that can make like this upper surface of magnetic force platform 2 and tube sheet near to or in contact with, reach best adsorption effect, make the location of tube sheet to be processed convenient, simultaneously, improved the anti-shake performance of tube sheet, and it is very convenient to operate.In addition, magnetic force platform 2 is descended, thus, when magnetic force platform 2 has magnetic, the upper arch at some position of tube sheet can be pulled down flatly, reduce or eliminate the unevenness of tube sheet in when boring, improved machining accuracy, can also when 2 demagnetization of magnetic force platform, magnetic force platform 2 upper surfaces be sunk the blade of high speed bit when being used for hiding drilling pipe plate through hole.
Particularly, when using magnetic working table, can be equipped with a plurality of pillars 3 with magnetic working table, the lower end of a plurality of pillars 3 can be installed in respectively on the table rest table rest 1, the upper end of a plurality of pillars 3 is contour with respect to table rest 1, thus, can make things convenient for the placement of tube sheet.
Magnetic force platform elevating mechanism 4 be installed on the table rest 1 and be connected with magnetic force platform 2 with respect to table rest 1 at limes superiors position and limit inferior position lifting magnetic force platform 2, the upper end of its B-C post 3 is higher than the upper surface of the magnetic force platform 2 that is in the limit inferior position.
Need to prove that limes superiors position and limit inferior position are respectively extreme higher position and the extreme lower positions that the upper surface of magnetic force platform 2 can arrive on the short transverse of magnetic force platform 2.The limes superiors position can be below or above the top of pillar 3.When the limes superiors position exceeds the top of pillar 3, when the upper surface of magnetic force platform 2 arrives this position, can be with a plurality of magnetic force platform 2 combinations, the tube sheet that size is less directly is placed on a plurality of magnetic force platforms 2, contacts with magnetic force platform 2.
According to some embodiments of the present invention, magnetic force platform elevating mechanism 4 can be for hydraulic cylinder, cylinder, manually reverse link gear or electric reverse link gear (not shown), the piston of hydraulic cylinder or cylinder or moving link gear or the electric reverse link gear of reversing can link to each other with the lower surface of magnetic force platform 2 and move up or down to promote magnetic force platform 2, thus, realize the lifting of magnetic force platform 2.
Shown in Fig. 1-2, according to some embodiments of the present invention, magnetic force platform elevating mechanism 4 is scissors-type lifting.Thus, can realize fast the lifting of magnetic force platform 2.
In a specific embodiment, described scissors-type lifting can comprise: first connecting rod 41, second connecting rod 42, third connecting rod 43, the 4th connecting rod 44 and driver 45.
Particularly, the first end of first connecting rod 41 can be connected pivotly with the lower surface of magnetic force platform 2, the first end of second connecting rod 42 can be connected pivotly with table rest 1, the second end of first connecting rod 41 links to each other pivotly with the second end of second connecting rod 42, the first end of third connecting rod 43 can be connected pivotly with the lower surface of magnetic force platform 2, the first end of the 4th connecting rod 44 can be connected pivotly with table rest 1, and the second end of third connecting rod 43 links to each other pivotly with the second end of the 4th connecting rod 44.
As shown in Figure 1, the first end of driver 45 can link to each other pivotly with the second end of first connecting rod 41 and second connecting rod 42 and the second end of driver 45 can link to each other pivotly with the second end of third connecting rod 43 and the 4th connecting rod 44 with the second termination of the second end of driving first connecting rod 41 and second connecting rod 42 and third connecting rod 43 and the 4th connecting rod 44 closely or away from.Thus, can realize reduction or the rising of magnetic force platform 2, when the second termination of the second end of first connecting rod 41 and second connecting rod 42 and third connecting rod 43 and the 4th connecting rod 44 was near, magnetic force platform 2 reduced, otherwise magnetic force platform 2 raises.
Shown in Fig. 1-2, according to some embodiments of the present invention, driver 45 can be the two rod type cylinders of double acting or hydraulic jack, one end of the two rod type cylinders of double acting or hydraulic cylinder, the free end that for example is a piston 451 links to each other with the second end of first connecting rod 41 and second connecting rod 42, the other end of cylinder or hydraulic cylinder for example is that the free end of a piston 452 links to each other with second end of third connecting rod 43 with the 4th connecting rod 44.Thus, when piston 451 and piston 452 motion, can realize the lifting of magnetic force platform 2.
Particularly, referring to Fig. 6, magnetic force platform elevating mechanism 4 courses of work can be as follows: for the ease of realizing automation control, driver 45 can adopt the two rod type pneumatic cylinders of standard double acting, and the piston 451,452 on the both sides of pneumatic cylinder links to each other with first connecting rod 41 and second end of second connecting rod 42 and the second end of third connecting rod 43 and the 4th connecting rod 44 on the both sides that are arranged on magnetic force platform 2 bottoms respectively.The first end that first connecting rod 41 is connected with third connecting rod is connected with the bottom surface of magnetic force platform 2, the first end of second connecting rod 42 and the 4th connecting rod 44 can be connected with table rest 1 by T-shaped slide block, be understandable that, table rest 1 for example can be multiple drill press cast iron platform, alternatively, table rest 1 also can be independent parts, can be installed to multiple drill press cast iron platform during use.
Thrust and pulling force during pneumatic cylinder work drive piston 451 and piston 452 outwards promotes with rising magnetic force platform 2, and inwardly promote to reduce magnetic force platform 2.The bidirectional-movement of pneumatic cylinder can be controlled by magnetic valve, as shown in Figure 6, when magnetic valve 1CT gets when electric, gas enters from the P mouth, arrive cylinder A end (when operating pressure is 6 kg/cm, the cylinder power of stretching out is 736 kilograms, and withdrawal force is 675 kilograms), piston 451 and piston 452 stretch out, magnetic force platform 2 rises, arrive the rear electromagnetic valve 1CT outage of tube sheet bottom, reversal valve mediates, and then magnetic force platform 2 magnetisations hold tube sheet.Then magnetic valve 2CT gets electricly, and gas enters from the B end, piston 451 and piston 452 indentations, and magnetic force platform 2 upper surfaces come downwards near position pillar 3 end faces, play and even up and the effect of stable tube sheet.Keep all the time ventilation this moment, until high speed bit is when moving to this magnetic force platform 2 upper end, magnetic force platform 2 is sensed erase signal, and demagnetization rear electromagnetic valve 2CT gets electric, and piston 451 and piston 452 continue to come downwards to and limit the position, can avoid the blade of high speed bit.
Shown in Fig. 1-2, according to examples more of the present invention, the scissors linkage also comprises the first mount pad 61, the second mount pad 62, the 3rd mount pad 63 and the 4th mount pad 64.The first mount pad 61 and the 3rd mount pad 63 are installed on the lower surface of magnetic force platform 2, the second mount pad 62 and the 4th mount pad 64 are installed on the upper surface of table rest 1, and the first end of first connecting rod 41, second connecting rod 42, third connecting rod 43 and the 4th connecting rod 44 links to each other pivotly with the first mount pad 61, the second mount pad 62, the 3rd mount pad 63 and the 4th mount pad 64 respectively.Thus, can make things convenient for the installation of first connecting rod 41, second connecting rod 42, third connecting rod 43 and the 4th connecting rod 44, it is more flexible to pivot.
Shown in Fig. 1-9, according to examples more of the present invention, the upper surface of table rest 1 is provided with T-slot 11, the second mount pads 62 and the 4th mount pad 64 and is fastened on the table rest 1 by T-slot 11 and tommyhead bolt 12 lateral attitude along table rest adjustablely.Thus, can make things convenient for the movement of magnetic force platform elevating mechanism 4 and magnetic force platform 2, to adapt to the installation requirements of various tube sheets.
As shown in Figure 7, according to examples more of the present invention, magnetic force platform elevating mechanism 4 is installed on the table rest 1 along the lateral attitude of described table rest 1 adjustablely.Thus, movement that can flange magnetic force platform 2.
Such as Fig. 1-2. according to one embodiment of present invention, magnetic working table can also comprise guiding mechanism 5, and guiding mechanism 5 upper ends are installed in the bottom of magnetic force platform 2, and the lower end is installed in upper lifting with guiding magnetic force platform 2 on the table rest 1.Stability when the stationarity in the time of thus, can guaranteeing 2 lifting of magnetic force platform and absorption boring.
Preferably, guiding mechanism 5 can be the elastic guide column assembly.For example, 2-4 elastic guide column assembly can be established in the bottom of each magnetic force platform 2, and the shape of lead can be cylindrical shape or square column shape.
Referring to Fig. 1-2, according to some embodiments of the present invention, the elastic guide column assembly comprises: sleeve 51, inner sleeve 52, guide pillar 53 and spring 54.
Particularly, open bottom end and the top of sleeve 51 are provided with opening, and the bottom of sleeve 51 is installed on the table rest 1.
The lower end of guide pillar 53 can be engaged in the inner sleeve 52 up or down, the opening upwards that sleeve 51 tops are passed in the upper end of guide pillar 53 stretches out sleeve 51 and links to each other with the lower surface of magnetic force platform 2, wherein guide pillar 53 is provided with stopper section 55, and stopper section 55 is between the inner roof wall of the top of inner sleeve 52 and sleeve 51.
Stability when the stationarity when thus, the cushioning effect by spring 54 can guarantee 2 lifting of magnetic force platform and absorption boring.The elastic force perpendicular direction of spring 54 is downward.When cylinder extrapolation was risen magnetic force platform 2, its work strength overcame the elastic force of guiding mechanism 5 and magnetic force platform 2 from gravity, and the upper surface of magnetic force platform 2 is contacted with the tube sheet bottom, and magnetic force platform 2 produces magnetic force again firmly to be adsorbed on bottom the tube sheet.The cylinder lifting force that comes loose and arranged suitable reverse strength and down drew this moment.At this moment, the reverse pulling force of the elastic force of spring 54 and cylinder forms makes a concerted effort, and makes tube sheet be evened up and fix, and reaches the purpose of design.
Further, the lower end of guide pillar 53 is engaged in the inner sleeve 51 by linear bearing 56.Thus, can lead by linear bearing 56, reduce the guiding resistance.
Shown in Fig. 1-2, according to some embodiments of the present invention, the elastic guide column assembly also comprises Connection Block 57, and Connection Block 57 is installed on the lower surface of magnetic force platform 2, and the upper end of guide pillar 53 links to each other with Connection Block 57 by bearing pin.Thus, can make things convenient for being connected of elastic guide column assembly and magnetic force platform 2.
Shown in Fig. 1-2, according to one embodiment of present invention, magnetic working table also comprises blowing considers mechanism 7 to be worth doing, blows bits mechanism 7 and is located at the upper surface blown bits that are used on the magnetic force platform 2 magnetic force platform 2.Can remove thus the foreign matter on the magnetic force platform 2, guarantee adsorption effect.
Referring to Fig. 9, further, blow bits mechanism 7 and comprise: nozzle location holder 71, nozzle pole 72, helical spring 73 and nozzle 74.
Particularly, nozzle location holder 71 can be installed on the magnetic force platform 2.
Can be provided with flange 721 on the nozzle pole 72, the lower end of nozzle pole 72 can be engaged in the holder 71 of nozzle location up or down, and flange 721 is positioned at the upper surface top of nozzle location holder 71.
Need to prove that the upper surface of the magnetic force platform 2 of this magnetic working table can be set as the plane, is convenient to remove the iron filings foreign matter.At the edge of magnetic force platform 2 nozzle 74 is set, nozzle location holder 71 and the nozzle 74 of nozzle 74 are arranged to up and down resilient movement form, when the upper surface face of magnetic force face 2 contacts with the tube sheet bottom surface, and down indentation of nozzle 74; When a certain group of magnetic force platform 2 top arrived in high speed bit work, this group magnetic force platform 2 can be responded to erase signals, and the upper surface of the magnetic force platform 2 after the demagnetization can separate automatically with the tube sheet bottom surface, and nozzle 74 protrudes upward, and nozzle 74 is towards the upper surface of magnetic force platform 2; When high speed bit left the upper end of a certain group of magnetic force platform 2, this group magnetic force platform 2 can be sensed and blow the bits signal, and nozzle 74 interior ejection gases at high pressure or liquid are clean the iron filings foreign bodies removal on the magnetic pole working face.The magnetic force platform produces vertical motion again after magnetic pole strength is clean, and can zero distance contact and the absorption tube sheet, guarantees adsorption effect.
Particularly, after the hole drill of magnetic force platform 2 upper ends is complete, when high speed bit leaves this group magnetic force platform 2 upper end, blows the bits magnetic valve and sense working signal, blow the bits valve and blew one minute, after the iron filings foreign matter was dried only, 1CT is plugged again, repeats aforementioned activities.Cycling is until drilling of tubesheet is complete.
According to some embodiments of the present invention, magnetic force platform 2 can be permanent-magnet platform or electromagnetic force platform.
Particularly, the magnetic force platform can adopt the form of permanent magnet, utilize the rare earth ferromagnetic material as magnetic source, the suction of working face can reach the 30fkg/ square centimeter, to satisfy the needs that adsorb large-scale tube sheet and carry out high-speed drilling, this magnetic working table manufactures elongate in shape, and magnetisation, demagnetization, pole combination etc. adopt existing technology to implement.
Magnetic working table also can adopt the form of electromagnet, and electromagnet is made to the form that suction is large, stream time is long, insulated enclosure is good, the remanent magnetism rate is low.This magnetic working table both can manufacture elongate in shape, also can manufacture round-shaped.
The magnetisation of magnetic force platform 2 and demagnetization all are known for those skilled in the art, are not described in detail here.
Shown in Fig. 7-8, according to the abovementioned embodiments of the present invention, a plurality of pillars 3 are divided into many groups, many group pillars 3 are along the parallel longitudinal of table rest 1 and arranged spaced apart, each group pillar 3 is along the arrangement that laterally is in line of table rest 1, magnetic force platform 2 is a plurality of, a plurality of magnetic force platforms 2 are divided into many groups, many group magnetic force platforms 2 are along the parallel longitudinal of described table rest 1 and arranged spaced apart, each group magnetic force platform 2 is organized magnetic force platform 2 and many group pillars 3 vertically alternately arranging along table rest 1 along the arrangement that laterally is in line of described table rest 1 more.Thus, can be conveniently to placement and the processing of tube sheet.
Need to prove, the rising of magnetic force platform 2, descend, even up, blow bits, whole or in groups the action such as control can utilize the PLC programming technique to finish, execution action utilizes the elements such as magnetic valve, infrared sensing switch to finish, concrete enforcement it is known to those skilled in the art that, is not described in detail here.
On magnetic force platform 2, can positioning strip and alignment pin be set according to user's needs, be beneficial to tube sheet and locate fast placement, when reducing auxiliary mould institute work consuming.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or the example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple variation, modification, replacement and modification to these embodiment in the situation that does not break away from principle of the present invention and aim, scope of the present invention is limited by claim and equivalent thereof.
Claims (14)
1. a magnetic working table is characterized in that, comprising:
But the magnetic force platform of magnetisation and demagnetization; With
Magnetic force platform elevating mechanism, the lower end of described magnetic force platform elevating mechanism is suitable for being installed on the table rest, and described magnetic force platform elevating mechanism and described magnetic force platform phase downlink connection are so that described magnetic force platform controllability ground rises or descends.
2. magnetic working table according to claim 1 is characterized in that, described magnetic force platform elevating mechanism is hydraulic cylinder, cylinder, manually reverses link gear or electric reverse link gear.
3. magnetic working table according to claim 1 is characterized in that, described magnetic force platform elevating mechanism is the scissors linkage.
4. magnetic working table according to claim 3 is characterized in that, described scissors linkage comprises:
First to fourth connecting rod, the first end of described first connecting rod is connected pivotly with the lower surface of described magnetic force platform, the first end of described second connecting rod is connected pivotly with described table rest, the second end of described first connecting rod and the second end of second connecting rod link to each other pivotly, the first end of described third connecting rod is connected pivotly with the lower surface of described magnetic force platform, the first end of described the 4th connecting rod is connected pivotly with described table rest, and the second end of described third connecting rod links to each other pivotly with the second end of the 4th connecting rod; With
Driver, the first end of described driver link to each other pivotly with the second end of described the first and second connecting rods and the second end of described driver and the second end of described the third and fourth connecting rod link to each other pivotly to drive the second termination of the second end of described the first and second connecting rods and described the third and fourth connecting rod near or away from.
5. magnetic working table according to claim 4, it is characterized in that, described driver is cylinder or hydraulic cylinder, one end of described cylinder or hydraulic cylinder links to each other with the second end of described the first and second connecting rods, and the other end of described cylinder or hydraulic cylinder links to each other with the second end of described the third and fourth connecting rod.
6. magnetic working table according to claim 4, it is characterized in that, described scissors linkage also comprises first to fourth mount pad, the described first and the 3rd mount pad is installed on the lower surface of described magnetic force platform, the described second and the 4th mount pad is installed on the described table rest, and the first end of described first to fourth connecting rod links to each other pivotly with described first to fourth mount pad respectively.
7. magnetic working table according to claim 1 is characterized in that, also comprises guiding mechanism, and described guiding mechanism upper end is installed in the bottom of described magnetic force platform, and the lower end is installed on the described table rest.
8. magnetic working table according to claim 7 is characterized in that, described guiding mechanism is the elastic guide column assembly.
9. magnetic working table according to claim 8 is characterized in that, described elastic guide column assembly comprises:
Sleeve, open bottom end and the top of described sleeve are provided with opening, and the bottom of described sleeve is installed on the described table rest;
Inner sleeve, described inner sleeve are installed on the described table rest and are positioned at described sleeve;
Guide pillar, the lower end of described guide pillar can be engaged in the described inner sleeve up or down, the opening upwards that described sleeve top is passed in the upper end of described guide pillar stretches out described sleeve and links to each other with the lower surface of described magnetic force platform, wherein said guide pillar is provided with the stopper section, and described stopper section is between the inner roof wall of the top of described inner sleeve and described sleeve; With
Spring, described spring housing is on the described guide pillar and be located between the inner roof wall of described stopper section and described sleeve.
10. magnetic working table according to claim 9 is characterized in that, the lower end of described guide pillar is engaged in the described inner sleeve by linear bearing.
11. magnetic working table according to claim 9 is characterized in that, described elastic guide column assembly also comprises Connection Block, and described Connection Block is installed on the lower surface of described magnetic force platform, and the upper end of described guide pillar links to each other with described Connection Block by bearing pin.
12. magnetic working table according to claim 1 is characterized in that, also comprises blowing bits mechanism, the described bits mechanism of blowing is located at the upper surface blown bits that are used on the described magnetic force platform described magnetic force platform.
13. magnetic working table according to claim 12 is characterized in that, the described bits mechanism of blowing comprises:
Nozzle location holder, described nozzle location holder is installed on the described magnetic force platform;
Nozzle pole, described nozzle pole is provided with flange, and the lower end of described nozzle pole can be engaged in the holder of described nozzle location up or down, and described flange is positioned at the upper surface top of described nozzle location holder;
Helical spring, described helical spring are enclosed within described nozzle pole upward and locate between the holder at described flange and described nozzle; With
Nozzle, described nozzle is installed in the upper end of described nozzle pole.
14. magnetic working table according to claim 1 is characterized in that, described magnetic force platform is permanent-magnet platform, electromagnetic force platform or electrical control permanent-magnetic platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110265550.2A CN102975030B (en) | 2011-09-07 | 2011-09-07 | Magnetic working table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110265550.2A CN102975030B (en) | 2011-09-07 | 2011-09-07 | Magnetic working table |
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| CN102975030A true CN102975030A (en) | 2013-03-20 |
| CN102975030B CN102975030B (en) | 2015-07-29 |
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| CN201110265550.2A Active CN102975030B (en) | 2011-09-07 | 2011-09-07 | Magnetic working table |
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| CN107553167A (en) * | 2017-09-27 | 2018-01-09 | 当涂县金龙机械有限公司 | A kind of automobile back shaft flange lathe clamp |
| CN112296723A (en) * | 2020-10-19 | 2021-02-02 | 青岛智研自动化设备有限公司 | Brake disc machining robot feeding and discharging production line and production method |
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| CN102975030B (en) | 2015-07-29 |
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Effective date of registration: 20200630 Address after: 330024 Jiangxi province Qingyunpu District of Nanchang City Bridge North Road No. 99 Patentee after: NANCHANG YONGWANG ELECTROMECHANICAL EQUIPMENT Co.,Ltd. Address before: 330001 Jiangxi province Qingyunpu District of Nanchang City Bridge North Road No. 99 Patentee before: Chen Yuzheng |