It is provided with the bore template of handle bar
Technical field
The present invention relates to boring positioning mechanism, more particularly, to it is provided with the bore template of handle bar.
Background technology
It is often necessary to boring in the course of processing of engineering goods, such as ring flange is holed.For the accuracy of hole position when ensureing to turn on, design bore template is now needed to carry out auxiliary bore hole.The basic element of character of bore template is substrate, and substrate is provided with pilot hole, and makes pilot hole with the position alignment needing boring of part on the part needing boring substrate horizontal, then make drill bit pass through pilot hole to carry out holing during use.Inconvenience when existing bore template has the disadvantage that fixing;When the end face of the end face (as ring flange) to tubular part is holed, if the poor flatness in the face of boring, it is easily caused hole drill is oblique;Handss can not easily be carried out during installation to carry;Need additional cooling body that drill bit is cooled down.
Content of the invention
The invention provides a kind of can easily carry out the bore template being provided with handle bar that handss are carried and fixed, solve the problems, such as that existing drilling die wrench carries inconvenience and fixing inconvenience.
Above technical problem is solved by following technical proposal: a kind of bore template being provided with handle bar,Including substrate,Described substrate is provided with pilot hole,Described substrate is additionally provided with handle bar and at least two connecting holes,Described connecting hole is strip,The outer elasticity of described handle bar is arranged with sleeve pipe,It is provided with the elastic adjusting mechanism of the elastic force between adjusting sleeve pipe and handle bar between described handle bar and sleeve pipe,Described elastic adjusting mechanism includes the base tube being set in outside handle bar and being located in sleeve pipe and is looped around the holding sheet outside described base tube,Described holding sheet is made up of some pieces of circumferentially distributed fricting strips along base tube,Described fricting strip is provided with some slide bars radially extending along base tube,Described sliding bar is arranged in described base tube,The inner of described slide bar is provided with shift-in outside driving slide bar and drives fricting strip to abut the 3rd spring together with sleeve pipe,Described elastic adjusting mechanism is additionally provided with the pretightning force adjustment structure of the pretightning force adjusting described 3rd spring.During use, connecting hole is passed through to fix substrate with the part being perforated by bolt, if having, on the part being perforated (hereinafter referred to as workpiece), the screwed hole that can borrow, bolt connection is in this screwed hole, then add the grip block with screwed hole without screwed hole, then coordinate substrate clamping to live workpiece by grip block and be fixed.Connecting hole is strip, and versatility is good.When clutching the present invention, by gripping handle bar, the present invention is carried, it is convenient during the present invention therefore to move;Handle bar in the technical program has elasticity, thus improving comfortableness during use, the elastic effect in the technical program can also change, to adapt to different needs.Handle bar elasticity specific regulation process be, 3rd spring moving radially along base tube is driven by pretightning force adjustment structure, so that fricting strip changes with the normal pressure of sleeve pipe, thus realizing the change of pretightning force so that the size of power that sleeve pipe rocks with respect to handle bar changes to reach different elastic effects.
Preferably, described substrate is provided with locating dowel, the axis of described locating dowel is with the diameter parallel of described pilot hole.Using when by by locating dowel grafting and be fixed on and positioned in the endoporus of workpiece, now do not need to abut substrate completely with the end face of workpiece, even if so that when the end face out-of-flatness of workpiece especially tilts, punched hole be also same centre bore parallel do not produce deflection.
Preferably, described locating dowel is arranged with inflated type fixed cover.During use, after locating dowel wears the center in the hole of workpiece again give inflated type fixed cover inflate and so that inflated type fixed cover heave and be connected to realize on the side face of workpiece center hole fix;Take out and then the gas in inflated type fixed cover is amplified during the present invention.Locating dowel can either be made easily to load and take out from workpiece center hole, can be securely fixed again.Simultaneously to the centre bore adapting to different pore size, versatility is good.
Preferably, described locating dowel is tubular structure.It is convenient when locating dowel is alignd with workpiece center hole.
Preferably, described pilot hole is provided with drill bit cooling body.When brick is holed through pilot hole, coolant is released for the drill bit cooling body in pilot hole drill bit is cooled down.
As preferred,Described drill bit cooling body includes gear、Crushing block、Rotating disk and the installation cavity being arranged in substrate that driving gear rotates,Described gear、Crushing block and rotating disk are all located at described installation intracavity,Described installation cavity is provided with the sprue with the connection of described pilot hole,Described rotating disk extends in described pilot hole,It is provided with coolant in described gear and add to mechanism,Described coolant adds to mechanism and includes liquid outlet、Gas supplementing opening、Sealing-plug、Sealing-plug is driven to seal up the Packing spring of liquid outlet、Cylinder body and slipper seal are connected to the piston of cylinder body,Described cylinder body is divided into air chamber and fluid reservoir by described piston,Described piston is provided with the check valve of air chamber unlatching,Described piston is linked together with described sealing-plug by connecting rod,Described liquid outlet is connected with described fluid reservoir by branch flow passage,Described gas supplementing opening is connected with described air chamber by air flue,Described liquid outlet is arranged at the tooth top of described gear,Described briquetting is used for pressing described sealing-plug and so that sealing-plug is opened.When inserting drill bit in pilot hole and drill bit rotates, drill bit produces frictional force to rotating disk and rotating disk is rotated, rotating disk driving gear rotates, when pinion rotation abuts together to the tooth being provided with liquid outlet with crushing block, crushing block drives in sealing-plug indentation gear, making when sealing strip inside contracts to drive piston to move towards fluid reservoir also by connecting rod while Packing spring energy storage and drive the indoor coolant of liquid storage to flow to liquid outlet through branch flow passage and flow in installation cavity, flowing in pilot hole thus realizing the cooling to drill bit subsequently into through sprue;When sealing-plug staggers with crushing block, in the presence of Packing spring, sealing-plug reseals liquid outlet, the proceduredriven piston of sealing-plug movement moves towards air chamber, now because the pressure that part flows out, event liquid storage is indoor of the oil in fluid reservoir is less than the pressure of air chamber, check valve open and air is added in fluid reservoir and by plus fluid reservoir in unnecessary coolant reclaim in fluid reservoir so that next time piston press fluid reservoir when coolant reliably flow out.Achieve and the synchronous of drill bit is cooled down automatically.
Preferably, each tooth of described gear is designed with described coolant adds to mechanism.Reliability during cooling can be improved.
Preferably, described rotating disk reaches described guiding in the hole through described sprue.Structural compactness is good, and convenience during making is good.
Preferably, described drill bit cooling body also includes being rotationally connected with the described rotating shaft installing intracavity, described gear and rotating disk are all fixed in described rotating shaft.
Preferably, the side face of described rotating disk is provided with increasing resistance layer.Can rotary drill bit with the frictional force between rotating disk, prevent to skid and lead to the phenomenon that coolant can not flow out.Good reliability.
As preferred, described pretightning force adjustment structure includes the conical head of two tubular structures being supported on base tube outside handle bar, drive conical head axial movement and can make conical head stop at setting position driving structure and some push rods, described two conical heads are slidably connected in the two ends of described base tube in the way of miner diameter end is arranged oppositely, the two ends of described push rod are shelved on the conical surface of described two conical heads, the all of described slide bar of same fricting strip passes through described spring supporting on same described push rod, the described slide bar of each piece of fricting strip is respectively supported by a described push rod.During regulation, push rod is realized by the position of axially varying conical head and moves radially thus realizing push rod along the change of base tube radial position along base tube, thus realizing the change of the 3rd initial tension of spring.Convenience during regulation is good.
Preferably, described driving structure includes the jacking block in two two ends being threaded in described base tube, described two conical heads are located between described two jacking blocks.Drive conical head to realize adjusting by rotating jacking block, adjust and put in place, be automatically positioned, convenience during use is more preferable.
Convenient when the present invention has an advantage that fixing, comfortableness when convenient and mobile when mobile is good.
Brief description
Fig. 1 is the perspective view of the embodiment of the present invention one.
Fig. 2 is the cross-sectional view of the handle bar in Fig. 1.
Fig. 3 is the axial cross-sectional schematic of the handle bar in Fig. 1.
Fig. 4 is the axial cross-sectional schematic of the embodiment of the present invention two.
Fig. 5 is the close-up schematic view at the b of Fig. 4.
Fig. 6 is the c c cross-sectional schematic of the gear in Fig. 5 and crushing block.
Fig. 7 is the close-up schematic view at a of Fig. 6.
In figure: substrate 1, pilot hole 11, connecting hole 12, centre bore 13, locating dowel 2, inflated type fixed cover 3, drill bit cooling body 4, gear 41, tooth top 411, crushing block 42, rotating disk 43, installation cavity 44, rotating shaft 45, sprue 46, handle bar 5, sleeve pipe 51, elastic adjusting mechanism 6, base tube 61, holding sheet 62, fricting strip 621, slide bar 622, 3rd spring 623, pretightning force adjustment structure 63, conical head 631, push rod 632, driving structure 633, jacking block 6331, coolant adds to mechanism 8, liquid outlet 81, gas supplementing opening 82, sealing-plug 83, Packing spring 84, cylinder body 85, air chamber 851, fluid reservoir 852, piston 86, check valve 861, connecting rod 862, branch flow passage 87, air flue 88.
Specific embodiment
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.
Embodiment one, referring to Fig. 1, a kind of bore template being provided with handle bar, including substrate 1.Substrate 1 is provided with pilot hole 11, connecting hole 12 and centre bore 13.Substrate 1 is square.Pilot hole 11 has 4.4 pilot holes 11 are distributed in four angles of substrate 1.Pilot hole 11 is uniformly distributed along centre bore 13 circumference.Connecting hole 12 has four.Connecting hole 12 is strip.The four edges with substrate 1 are parallel correspondingly for the straight line at 4 connecting hole 12 places.Centre bore 13 is circle.
Substrate 1 is additionally provided with handle bar 5.The outer elasticity of handle bar 5 is arranged with sleeve pipe 51.
Referring to Fig. 2, between handle bar 5 and sleeve pipe 51, it is provided with elastic adjusting mechanism 6.Elastic adjusting mechanism 6 includes base tube 61, holding sheet 62 and pretightning force adjustment structure 63.Base tube 61 is set in outside handle bar 5.Base tube 61 is located in sleeve pipe 51.Holding sheet 62 is made up of some pieces of fricting strips 621.Fricting strip 621 is circumferentially distributed along base tube 61.Fricting strip 621 is provided with some slide bars 622 radially extending axially distribution along base tube.Slide bar 622 slides and is arranged in base tube 61.The inner of slide bar 622 is provided with the 3rd spring 623.3rd spring 623 drives fricting strip to abut together with sleeve pipe 51 by slide bar.The pretightning force adjustment structure 63 of outer shifting includes two conical heads 631 and some push rods 632.Conical head 631 is tubular structure.Conical head 631 is set on handle bar 5 and is located in base tube 61 and base tube 61 links together with handle bar 5.Conical head 631 is only slidably connected in base tube 61.Push rod 632 is circumferentially distributed axially extending along base tube 61.The all of slide bar 622 of same fricting strip 621 is supported on same push rod 632 by the 3rd spring 623, and the slide bar of each piece of fricting strip is respectively supported by a push rod.
Referring to Fig. 3, two conical heads 631 are slidably connected in the two ends of base tube 61 in the way of miner diameter end is arranged oppositely.The two ends of push rod 632 are shelved on the conical surface of two conical heads 631.Pretightning force adjustment structure 63 also includes driving structure 633..Driving structure 633 includes the jacking block 6331 in two two ends being threaded in base tube 61.Jacking block 6331 is set on handle bar 5.Two conical heads 631 are located between two jacking blocks 6331.
Referring to Fig. 1, when needing to adjust basic position in assembling process, it is held on sleeve pipe 51 by handss and carries out moving substrate 1.
Referring to Fig. 2 and Fig. 3, the process of the elastic effect of adjustment sleeve pipe is: is moved along the axial direction of base tube 61 by rotation jacking block 6331 driving conical head 631, conical head 631 drives push rod 632 moving radially along base tube 61, and push rod 632 extrudes the 3rd spring 623 and changes pretightning force.
During use, it is connected in the fabrication hole on workpiece through connecting hole 12 rear thread by bolt and is fixed.When then, drill bit is holed through pilot hole 11 to workpiece.
Embodiment two, the difference with embodiment one is:
Referring to Fig. 4, substrate 1 is provided with locating dowel 2.Locating dowel 2 is structure as a whole with substrate 1.Locating dowel 2 is tubular structure and aligns with centre bore 13.The axis of locating dowel 2 is with the diameter parallel of pilot hole 11.Locating dowel 2 is arranged with inflated type fixed cover 3.Each pilot hole 11 is correspondingly arranged on a drill bit cooling body 4.
Referring to Fig. 5, drill bit cooling body 4 includes gear 41, crushing block 42, rotating disk 43 and installation cavity 44 and rotating shaft 45.Installation cavity 44 is located in substrate 1.Installation cavity 44 is provided with the sprue 46 of same pilot hole 11 connection.Gear 41, crushing block 42, rotating disk 43 and rotating shaft 45 are all located in installation cavity 44.Rotating shaft 45 is rotationally connected with installation cavity 44.Gear 41 and rotating disk 43 are fixed in rotating shaft 45.Crushing block 42 is fixed in installation cavity 44.Rotating disk 43 extends in pilot hole 11 through sprue 46.The side face of rotating disk 43 is provided with increasing resistance layer, and increasing resistance layer is the annular knurl being arranged on rotating disk side face.
Referring to Fig. 6, it is provided with coolant in gear 41 and adds to mechanism 8.The number that coolant adds to mechanism 8 is equal with the number of teeth of gear 41.
Referring to Fig. 7, coolant adds to mechanism 8 and includes liquid outlet 81, gas supplementing opening 82, sealing-plug 83, Packing spring 84, cylinder body 85 and piston 86.Same coolant adds on the tooth top 411 of same tooth that the liquid outlet 81 of mechanism and gas supplementing opening 82 are arranged at gear 41, the tooth top of same tooth only arranges liquid outlet and the gas supplementing opening that a coolant adds to mechanism, and that is, in the present embodiment, coolant adds to mechanism and the tooth of gear 41 is arranged correspondingly.Sealing-plug 83 and Packing spring 84 are arranged in liquid outlet 81, and in the presence of Packing spring 84, sealing-plug 83 stretches out tooth top 581 and seals up liquid outlet.Cylinder body 85 is formed in gear 41 in the way of integrative-structure, as the chamber in gear 41.Piston 86 slipper seal is connected to cylinder body 85.Cylinder body 85 is divided into air chamber 851 and fluid reservoir 852 by piston 86.Piston 86 is provided with the check valve 861 of air chamber 851 unlatching.Piston 86 is linked together with sealing-plug 83 by connecting rod 862.Connecting rod 862 links together so that liquid outlet 81 disconnects with air chamber 851 with slipper seal between gear 41.Liquid outlet 81 is connected with fluid reservoir 852 by branch flow passage 87.Gas supplementing opening 82 is connected with air chamber 851 by air flue 88.Branch flow passage 87 and air flue 88 are all to be formed in the way of integrative-structure in gear 41, the as hole in gear 41.
The cooling procedure when present invention uses is:
Referring to Fig. 4, Fig. 5, Fig. 6 and Fig. 7, when drill bit is holed to workpiece through pilot hole 11, drill bit contacts with rotating disk 43, drill bit is rotated by frictional force drives rotating disk 43 when rotating, rotating disk 43 drive shaft 45 rotates, and rotating shaft 45 driving gear 41 rotates, when gear 41 turns to the sealing-plug 83 that coolant adds in mechanism 8 and aligns with crushing block 42, to gear 41 contract, sealing-plug 83 shrinks and so that liquid outlet 81 is opened and made Packing spring 84 energy storage crushing block 42 crush seal plug 83.
Drive piston 86 mobile towards fluid reservoir 852 also by connecting rod 862 when sealing-plug 83 shrinks, pressure in fluid reservoir 852 rise check valve 861 is closed and fluid reservoir 852 in coolant flow to liquid outlet 81 through branch flow passage 87 and flow out to installation cavity 44 from liquid outlet 81, the coolant in installation cavity 44 flows to pilot hole 11 through sprue 46 again and realizes the cooling to drill bit.
When crushing block 42 loses the squeezing action to sealing-plug 83, move outside sealing-plug 83 in the presence of Packing spring 84 and liquid outlet 81 is sealed up, drive piston 86 mobile towards air chamber 851 by connecting rod 862 when sealing-plug 83 stretches out, pressure drop in fluid reservoir 852 and the pressure in air chamber 851 rise, check valve 861 is opened, in air and fluid reservoir 56, unnecessary coolant is through gas supplementing opening 82, air flue 88 and check valve 861 and flow to fluid reservoir 852, enable the air pressure that the pressure in fluid reservoir 852 maintains in same gear exterior equal, so that coolant can be squeezed out when moving towards fluid reservoir 852 by piston 86 next time.