CN107297528A

CN107297528A - A kind of drill bit or screw tap and its multistation drilling or tapping device

Info

Publication number: CN107297528A
Application number: CN201710415229.5A
Authority: CN
Inventors: 杨东佐
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-06-05
Filing date: 2017-06-05
Publication date: 2017-10-27
Anticipated expiration: 2037-06-05
Also published as: CN107297528B

Abstract

A kind of new drill bit and screw tap and its multistation drill or tapping device, and drill bit and screw tap include constituting positioned at sophisticated screwed hole shaping work blade, positioning bar portion, blocking part, slip bar portion, tip contact portion；In multistation drilling or tapping device, it is not necessary to drilling and tapping work are completed by the clamping of drill chuck；Realize the drilling and tapping work of the porous bit synchronization screwed hole of small pitch of holes；Realize that accurately drilling and tapping position processing, it is ensured that the essence of distance between each hole position or screw thread hole position；Drill bit and screw tap processing are simple in construction simultaneously, easily manufactured.

Description

A kind of drill bit or screw tap and its multistation drilling or tapping device

Technical field：

The present invention relates to drill bit and the hole processing instrument of screw tap, and drill and thread machining device, more particularly to The drilling of the multistation screwed hole of small or accurate pitch of holes and the device of screw forming.

Prior art：

A kind of method of the processing method of existing multiple screwed holes is individually to add in each hole to complete drilling and tapping Work.In order to ensure the position machining accuracy in hole, the Precise Distance between especially each hole position or screw thread hole position, through frequently with numerical control drilling The digital control processing mode of hole machine tool, is sequentially completed drilling and the tapping process in each hole.Another method is to improve multiplexing Position hole and the processing efficiency of hole internal thread, are typically processed while multistation hole is carried out by the way of Ni Zhifu drill is multi-hole drill.Such as A kind of Publication No. CN202667721U Chinese patent literature, disclosed Multi-bit single-row drill is more using many slips of 2-80 Individual drill bit, can once complete the processing in 2-80 hole.And for example Publication No. CN104827072A Chinese patent literature, open A kind of multi-hole drill, multi-hole drill gear-box output end provided with ten drill-bit installing seats；Porous synchronous frock is installed on tooth The underface of roller box, gear-box is connected by lead with porous synchronous frock；Porous synchronous frock is provided with ten drillman Position, ten drilling stations and ten drill-bit installing seats are corresponded, and coordinate porous synchronous frock to realize synchronization by gear-box Drilling and synchronous tapping.In the prior art, either drill bit or screw tap are required for drill chuck to come fixed drill bit or screw tap, and Drive drill bit or screw tap to rotate using drill chuck, workpiece is cut or extrusion process shaping.Using existing porous Bore or multiple screw taps processing mode, because each drill bit or screw tap are all to that should have a drill chuck, therefore, can process two The pitch of holes of adjacent holes is the radius sum that cannot be below two drill chucks；For some small pitchs of holes, also or two adjacent When the pitch of holes in hole is less than the radius sum of two drill chucks, it is impossible to using existing gang drill or multi-hole drill carry out drilling simultaneously or The processing mode of tapping.In order to process the hole of such shape, it can only by several times be drilled or progress tapping processing spacing is smaller by several times Multiple screwed holes.In addition, no matter by the way of digital control hole drilling and tapping, or use multi-hole drill to complete multiple hole positions Drilling and tapping process, the positional precision in hole are the positioning by lathe drill chuck to complete, rather than the reality according to drill bit Border Working position determines that processed hole position distance remains error amount, still come what is positioned by the way of drill chuck It can not guarantee the precision of distance between each hole position or screw thread hole position.

The content of the invention：

It is an object of the invention to provide a kind of new drill bit and screw tap, it may not be necessary to has come by the clamping of drill chuck Into drilling and tapping work；Realize the drilling and tapping work of the porous bit synchronization screwed hole of small pitch of holes；Realize accurately Drilling and tapping position processing, it is ensured that the essence of distance between each hole position or screw thread hole position；Drill bit and screw tap processing structure letter simultaneously It is single, it is easily manufactured., on the one hand can be real another object of the present invention is to provide a kind of new multistation drilling or tapping device Existing pitch of holes still completes porous disposable drilling shaping or tapping shaping simultaneously when being less than drill chuck, realize any pitch of holes Can disposably be drilled shaping or tapping shaping.On the other hand cause the screw thread hole position shaped simultaneously in drilling and tapping Shi Douneng accurate positionings, the positional precision in hole is high.

The drill bit or screw tap of the present invention is included positioned at sophisticated screwed hole shaping work blade, positioning bar portion, blocking part, cunning Lever portion, tip contact portion are constituted；Locating rod portion is located at the upper end of shaping work blade, and blocking part is located at the upper of positioning bar portion End, described sliding bar portion is located at the upper end of blocking part, and tip contact portion is located to slide bar portion upper end.Described slip bar portion For prism more than triangle or square or corner；The blocking part diameter is more than positioning gauge diameter.Pass through for drill bit For machining formation hole, screwed hole shaping work blade refers to cutting edge portion, and cutting or extrusion process are passed through for screw tap Formed for screw thread, screwed hole shaping work blade refers to screw forming blade.Position on bar portion and drilling or tapping mould Positioning hole is engaged, and drill bit or screw tap is accurately navigated to drilling or tapping operating position.Due to being that drill bit or screw tap are direct Positioning, it is more accurate to be positioned than prior art using drill chuck, eliminates drill bit or screw tap setting-up eccentricity or not coaxial or rotation The site error that Shi Zhendong etc. is caused.Power is transmitted because drill bit or screw tap need not rely on the clamping of drill chuck, but it is sharp With driving cog part and the toothed member in actuating unit, such as gear, timing belt etc. is attached, and transmission drill bit or screw tap rotation are dynamic Power so that drill bit or screw tap are rotated, is drilled or tapping work.So, drilling or during tapping drill bit or screw tap arrangement just It can not be limited, not influenceed by drill chuck radius by drill chuck, so as to realize the direct of multiple hole positions of any pitch of holes Drilling or tapping simultaneously.Drill bit or screw tap are used as downward force application part by the use of in the contact site on top and drilling or tapping device Head part contact, on the one hand vertical direction position, on the other hand receive head part downward active force when pressing plate is pushed so that bore Head or screw tap can move downward drilled or tapping machining.

The multistation drilling of the present invention or tapping device include rotary power rotating shaft, synchronous belt drive mechanism, cope plate, use In the back-moving spring that drill bit or screw tap are supported on the cope plate, the lower template plate for placing workpiece to be added, pressing plate, pressure Mould locating dowel；The cope plate is provided with the cope plate positioning hole coordinated for the positioning bar portion of drill bit or screw tap；Described timing belt Transmission mechanism includes the timing belt driving wheel being arranged on power shaft, timing belt, synchronous pulley；Described timing belt driving wheel On pressing plate or cope plate；Described synchronous pulley central post holes section is more than triangle or quadrangle or quadrangle Polygonal hole；Locating dowel spring is cased with outside pressing mold locating dowel, the positioning hole through cope plate is suspended on pressing plate；Locating dowel bullet Spring is arranged between pressing plate and cope plate；Between pressing plate and the tip contact portion of drill bit using directly abut or be pivotally connected or Tip contact portion of the pressing plate provided with head part and drill bit or screw tap against either type.The drill bit or screw tap of the present invention are installed Onto drilling or tapping device, you can carry out multistation drilling or tapping work.

The multistation drilling of the present invention or tapping device use following working method：

It is that the drill bit or screw tap of the present invention are installed in the drilling of the multistation of the present invention or tapping device first, will bores Head or screw tap are inserted in back-moving spring, and back-moving spring is arranged between cope plate and drill bit or screw tap blocking part, and positioning bar portion is stretched into Into positioning hole, synchronous pulley is installed in the slip bar portion of drill bit or screw tap, and drill bit or screw tap tip contact portion are directly abutted Be pivotally attached to installed on pressing plate or on pressing plate head part institute against；Install, work pieces process can be carried out.

Workpiece to be added is placed on lower template plate during work processing；Pressing plate is moved downward, the pressing mold on pressing plate Locating dowel, cope plate and each part on cope plate are moved downwardly together；Cope plate contacts matched moulds with lower template plate, Workpiece is compressed lower template plate simultaneously and fixed by cope plate；It is just corresponding with drill bit or the corresponding position of positioning hole of screw tap on cope plate Hole position on workpiece；Power shaft is rotated, and drives timing belt gyration, and timing belt drives synchronous pulley to rotate；Synchronous pulley Drill bit or screw tap is driven to rotate after rotation, the shaping blade of drill bit or screw tap has cutting or squeeze function；Pressing plate continues downward Motion, locating dowel spring is compressed, and pressing mold locating dowel counter bored holes pressing plate is moved upwards；Head part on pressing plate or pressing plate pushes brill Head or screw tap so that drill bit or screw tap are moved down；

Motion mode between synchronous pulley and drill bit or screw tap has two kinds, and a kind of mode is that synchronous pulley can be along cunning Lever portion is slided on drill bit or screw tap, and on the one hand such drill bit or screw tap keep rotating, on the other hand can relative synchronization belt wheel Move downward；Another way be timing belt one slide bar portion between do not relatively move, but synchronous pulley and drill bit or Screw tap is moved downwards simultaneously, to reach that on the one hand protection is rotated for drill bit or screw tap, on the other hand under pressing plate function, drill bit Moved downward jointly with synchronous pulley with screw tap.

Drill bit or screw tap are moved downward, and positioning bar portion is moved downward along cope plate boring positioning hole, and back-moving spring is compressed； With further pushing for pore pressure plate, drill bit or screw tap Continued downward motion, drill bit pass the positioning hole of cope plate, start cutting and treat Or extrusion process part is drilled or tapping work；After pressing plate presses to precalculated position, drill bit or screw tap reach predetermined brill Hole depth, completes predetermined drilling or tapping action；Pressing plate switchs to rise, as pressing plate rises, and back-moving spring resilience drives drill bit Or screw tap rises, while relative synchronization belt wheel is moved upwards；The shaping work blade of drill bit or screw tap leaves the hole of workpiece to be added Machining position, is returned in cope plate positioning hole.Wherein as tapping device work with unlike drilling equipment, screw tap rising Before, line shaft is rotated backward after stopping, and guide wire coning turns to rise the screwed hole for exiting and having attacked.On continuing with pressing plate Rise, locating dowel recoil of spring, drive cope plate opposing platen to move downward return；Line shaft stops operating, and drill bit or screw tap stop Rotation stop is moved；Pressing plate continues to rise back to initial position, completes drilling or tapping work.

Further, described described drill bit or the contact site on screw tap top are planar contact, on pressing plate Head part is ball screw, the ball of ball screw and drill bit or the planar contact on screw tap top against, when pressing plate is pushed, rolling The ball of pearl screw is resisted against the planar contact on drill bit drill bit or screw tap top, is contacted between ball and plane for, a side Face can reach the effect exerted a force downwards, on the other hand cause drill bit or screw tap to have fine rotating property.In addition, ball screw A range of fine setting can be carried out in screwed hole on pressing plate, so as to adjust the vertical working position of drill bit or screw tap Put.

Further, the contact site at the top of drill bit or screw tap is the rotary shaft of protrusion, and multistation drilling or tapping device exist Pressing plate portion is pivotally connected provided with rotary shaft hole with rotary shaft.When timing belt driving wheel is by synchronous driving drill bit or screw tap, rotary shaft Rotated in rotary shaft hole, keep the stability of drill bit.Also friction can be reduced between rotary shaft and rotating hole provided with bearing shell.

Further, described described drill bit or the contact site on screw tap top is contact concave surface, for accommodating and disposing rolling Pearl, described force application part be with the ball contact portion of drill bit or screw tap tip contact concave surface against adjustment screw, ball with Leaning for adjustment screw force application part, contacts for point between ball and adjustment screw, on the one hand can reach what is exerted a force downwards Effect, on the other hand causes drill bit or screw tap to have fine rotation.In addition, adjustment screw can enter in the screwed hole on pressing plate The a range of fine setting of row, so as to adjust the vertical operating position of drill bit or screw tap.

Further, described drill bit or the contact site on screw tap top are one section of the top of drill bit or screw tap.Described applies Power part is head part and ball, and the section of described head part is substantially H types, and head part top surface is provided with the shrinkage pool for accommodating ball, ball It is arranged in shrinkage pool, mounting hole of the head part bottom provided with receiving drill bit or screw tap tip contact portion.Described head part is enclosed on drill bit Or on the contact site on screw tap top, the contact site on drill bit or screw tap top is installed in the mounting hole of drill bit or screw tap.Head part top Ball in the shrinkage pool of face is drilled with multistation or the pressing plate of tapping device is abutted.Being provided with below head part is used for head part resets the Two springs, second spring top is contacted with head part, and bottom is contacted with transmission teeth portion.Mounting hole in head part can be blind hole, It can be the through hole being connected with shrinkage pool.

Further, more than one synchronous belt tensioner pulley is provided with timing belt synchronous belt drive mechanism.

Further, pressing mold locating dowel enters the positioning post holes of lower template plate,

The drill bit and screw tap of the present invention, it is not necessary to drilling and tapping work are completed to transmit power by the clamping of drill chuck Make；It can not just be limited, also not influenceed by drill chuck radius by drill chuck during drilling, so as to realize many of any pitch of holes The direct of individual hole position drills simultaneously.In addition, being engaged using drill bit positioning bar portion with the positioning hole on hole drilling die, by positioning Bar portion and the cooperation of the positioning hole on hole drilling die, can make drill bit accurately navigate to drilling position.Due to being that drill bit is directly fixed Position, it is more accurate to be positioned than prior art using drill chuck, vibration etc. when eliminating drill bit setting-up eccentricity or not coaxial or rotation The site error caused.Meanwhile, using the present invention drill bit or screw tap it is simple in construction, manufacturing process is easy, it is easy to manufacture and Reduce cost.

The drill bit of the present invention and the small pitch of holes drilling equipment and tapping device of screw tap, can be using same in structure The band for walking V belt translation passes the multiple drill bits or multiple screw taps of the present invention, so that on the one hand have transmission power steady, multiple drill bits Worked the good advantage of synchronism with screw tap, on the other hand need not use drill chuck, can any multiple hole positions of pitch of holes, Multiple hole positions of particularly small pitch of holes are drilled and tapping simultaneously, have the advantages that to greatly improve production efficiency.Meanwhile, The work side that bar portion is engaged with drilling cope plate positioning hole, screw tap locating rod with tapping cope plate positioning hole is positioned using drill bit Formula, can be such that drill bit or screw tap accurately navigates on operating position.Due to being the direct positioning of drill bit or screw tap, than existing skill It is more accurate that art Digit Control Machine Tool is positioned using drill chuck, and vibration etc. is caused when eliminating drill bit setting-up eccentricity or not coaxial or rotation Site error.

Brief description of the drawings

Fig. 1 is the schematic perspective view of the drill bit of embodiment 1.

Fig. 2 is that the drill bit of embodiment 1 is arranged on the pressing plate of Multi-station drilling device and the schematic diagram of cope plate.

Fig. 3 is the diagrammatic cross-section of embodiment 1.

Fig. 4 is the enlarged diagram in A portions in Fig. 3.

Fig. 5 is the schematic perspective view of the drill bit of embodiment 2.

Fig. 6 is that the drill bit of embodiment 2 is arranged on the pressing plate of Multi-station drilling device and the schematic diagram of cope plate.

Fig. 7 is the diagrammatic cross-section for applying example 2..

Fig. 8 is the enlarged diagram in M portions in Fig. 7.

Fig. 9 is the schematic perspective view of the drill bit of embodiment 3.

Figure 10 is that the drill bit of embodiment 3 is arranged on the pressing plate of Multi-station drilling device and the schematic diagram of cope plate.

Figure 11 is the diagrammatic cross-section for applying example 3.

Figure 12 is the enlarged diagram in C portions in Figure 11.

Figure 13 is the diagrammatic cross-section for applying example 4.

Figure 14 is the schematic perspective view of the screw tap of embodiment 5.

Figure 15 is that the screw tap of embodiment 5 is arranged on the pressing plate of multistation tapping device and the schematic diagram of cope plate.

Figure 16 is the diagrammatic cross-section for applying example 5.

Figure 17 is the enlarged diagram in B portions in Figure 16.

Figure 18 is the schematic perspective view of the screw tap of embodiment 6.

Figure 19 is that the screw tap of embodiment 6 is arranged on the pressing plate of multistation tapping device and the schematic diagram of cope plate.

Figure 20 is the diagrammatic cross-section for applying example 6.

Figure 21 is the enlarged diagram in N portions in Figure 20.

Figure 22 is the schematic perspective view of the screw tap of embodiment 7.

Figure 23 is that the screw tap of embodiment 7 is arranged on the pressing plate of multistation tapping device and the schematic diagram of cope plate.

Figure 24 is the diagrammatic cross-section for applying example 7.

Figure 25 is the enlarged diagram in D portions in Figure 24.

Figure 26 is the diagrammatic cross-section of embodiment 8.

Figure 27 is the schematic perspective view for the drill bit for implementing 9.

Figure 28 is that the drill bit of embodiment 10 is arranged on the pressing plate of Multi-station drilling device and the schematic diagram of cope plate.

Figure 29 is the enlarged diagram in E portions in Figure 28.

Figure 30 is that the screw tap of embodiment 11 is arranged on the pressing plate of multistation tapping device and the schematic diagram of cope plate.

Figure 31 is the enlarged diagram in F portions in Figure 30.

Figure 32 is that the drill bit of embodiment 12 is arranged on the diagrammatic cross-section of Multi-station drilling device.

Figure 33 is the enlarged diagram in Figure 32 G portions.

Figure 34 is that the screw tap of embodiment 13 is arranged on the diagrammatic cross-section of multistation tapping device.

Figure 35 is the enlarged diagram in Figure 34 H portions.

Specific embodiment：

Embodiment 1

As shown in Figure 1,2,3, 4, a kind of drill bit 100 includes positioned at sophisticated cutting edge portion 101, positioning bar portion 102, kept out Portion 103, slip bar portion 104, tip contact facial planes 105 are constituted.

As shown in Figure 1,2,3, 4, described drill bit 100 is step-like, and the diameter of blocking part 103 is more than positioning bar portion 102 Diameter.Slip bar portion is positive square prism.Positioned at cutting tip of the tip cutting edge portion 101 as boring work, use In completion cutwork；Drill bit positioning bar portion 102 is engaged when working with the positioning hole on hole drilling die, by positioning bar portion 102 with hole drilling die on positioning hole cooperation, can make drill bit accurately navigate to drilling position.Drill bit 102 utilizes sliding bar The insertion of portion 104 and the positive square prism hole in center of the synchronous pulley in drilling equipment actuating unit are attached, and utilize synchronization Belt wheel transmits bit power so that drill bit 100 is rotated, and cutting edge portion 101 can carry out machining in circumferencial direction.Bore First 100 are contacted using the contact facial planes 104 on top with the head part in drilling equipment, are on the one hand positioned in vertical direction, another Aspect receives the down force of head part so that drill bit can move downward the machining drilled.

A kind of drilling equipment 400 includes drilling pressing plate 401, drilling rotary power rotating shaft 402, and drill toothed belt transmission machine Structure, drill bit back-moving spring 410, the drilling cope plate 406 provided with positioning hole 409, the drilling lower template for placing workpiece to be added Plate 411, drilling pressing mold locating dowel 412；Described drilling lower template plate 411 is set on the table；It is provided with drilling equipment Drill bit 100；In the insertion drilling cope plate of bit cutting blade 101 positioning hole 409, by positioning bar portion 102 and drilling cope plate The cooperation of positioning hole 409 is positioned on drilling cope plate 406；Between the blocking part 103 of drill bit 100 and drilling cope plate 406 It is provided with drill bit back-moving spring 410；Described drilling synchronous belt drive mechanism includes the brill being arranged in drilling power rotating shaft 402 Hole timing belt driving wheel 403, more than two drilling synchronous pulleys 404, drilling timing belt 413, drilling tensioning wheel 405；It is described Drilling timing belt driving wheel 403 be arranged on drilling pressing plate 401 on, drilling synchronous pulley 404 be arranged on drill bit 100 sliding bar In portion 104, drilling tensioning wheel 405 is arranged on drilling pressing plate 401, and described drilling timing belt 413 bypasses drilling timing belt and driven Driving wheel 403, drilling synchronous pulley 404, the drilling formation drilling toothed belt transmission of tensioning wheel 405.The slip bar portion 104 of drill bit 100 For positive cubic prism, the center of synchronous pulley 404 offers the square prism on positive square cylindrical hole, synchronous pulley 404 Hole is engaged with sliding the cubic prism of bar portion.Slide drilling timing belt driving wheel 403 to rotate, drive drilling synchronous pulley 404 rotations, then drive drill bit 100 to rotate.The pressing mold locating dowel 412 that drills overcoat drill hole location column spring 415 passes through the upper mould of drilling The boring positioning hole of plate is suspended on drilling pressing plate 401；On drill hole location column spring 415 is arranged on drilling pressing plate 401 and drilled Between template 406；The drilling lower template plate corresponding with drilling pressing mold locating dowel 412 is provided with drilling lower template plate 406 to determine Position post holes 416；Drill tip contact plane 105 abutting contact of the pressing plate 401 provided with ball screw 417 and drill bit 100.

The method of work of Multi-station drilling device 400 and drill bit 100 moves downward for drilling pressing plate 401, installed in drilling Drilling pressing mold locating dowel 412, drilling cope plate 406 on pressing plate 401 and each portion on drilling cope plate pressing plate 401 Part is moved downwardly together；The pressing mold locating dowel 412 that drills enters the positioning post holes 416 of drilling lower template plate 411, and drill cope plate 406 contact matched moulds with drilling lower template plate 411, and workpiece is compressed drilling lower template plate 411 simultaneously and consolidated by drilling cope plate 406 It is fixed；Drilling position on drilling cope plate 406 on the corresponding workpiece in boring positioning hole 409 corresponding with drill bit；Drilling power rotating shaft 402 Rotate and drive drilling timing belt driving wheel 403 to rotate, the drilling gyration of timing belt 413 is driven, so as to drive drilling timing belt Wheel 404, drives drill bit 100 to rotate by the slip bar portion 104 on drill bit 100；Bit cutting blade 101 has cutting function. Drilling pressing plate 401 continues to move downward, and drill hole location column spring 415 is compressed, the counter bored holes pressing plate of drilling pressing mold locating dowel 412 Motion upwards, the upper end of drill hole location column 412 enters the drilling pressing plate being arranged between drilling pressing plate 401 and traveling table 302 and determined The space that position post 412 is moved；Drilling pressing plate 401 pushes the tip contact plane 105 of drill bit 100 provided with ball screw 417, makes Drill bit 100 is moved down, while the drilling tensioning wheel 405 on drilling pressing plate 401, and drilling timing belt 413, same Step belt wheel 404 is moved down in the lump, is not subjected to displacement between the slip bar portion 104 and synchronous pulley 404 of drill bit 100, so that Persistently rotated so that drill bit 100 is maintained under the drive of drilling synchronous belt drive mechanism.The positioning bar portion 102 of drill bit 100 is along brill Hole cope plate boring positioning hole 409 is moved downward, and drill bit back-moving spring 410 is compressed；With drilling pressing plate 401 further under Pressure, the Continued downward motion of drill bit 100, drill bit 100 passes the boring positioning hole 409 of drilling cope plate, starts to cut workpiece to be added Drilled, after the pressing plate 401 that drills presses to precalculated position, drill bit 200 reaches predetermined drilling depth, completes predetermined drilling Action；Hereafter, drilling pressing plate 401 stops declining, and switchs to rise, as drilling pressing plate 401 rises, drill bit back-moving spring 410 times Bullet, drives the blocking part 103 of drill bit 100 to rise and drives drill bit 100 to rise, the hole that workpiece to be added is left in bit cutting portion 101 adds Station, is returned in drilling cope plate boring positioning hole 409；The pressing plate 401 that drills persistently rises, and the resilience of locating dowel spring 415 drives The drilling counter bored holes pressing plate 401 of cope plate 406 moves downward return；Drilling power axle 402 stops operating, and drill bit 100 stops turning It is dynamic；Drilling pressing plate 401 continues to rise back to initial position, completes boring work.

Embodiment 2

As shown in Fig. 5,6,7,8, a kind of drill bit 1001 include positioned at tip cutting edge portion 1011, positioning bar portion 1021, Blocking part 1031, slip bar portion 1041, tip contact portion concave surface 1051 are constituted；

Described drill bit 1001 is step-like, and the diameter of blocking part 1031 is more than the diameter of positioning bar portion 1021.Sliding bar Portion 1041 is square prism.Positioned at cutting tip of the tip cutting edge portion 1011 as boring work；Drill bit locating rod Portion 1021 is engaged when working with the positioning hole 409 on hole drilling die, by positioning bar portion 1021 and the positioning on hole drilling die The cooperation in hole 409, can make drill bit accurately navigate to drilling position.Drill bit 1001 slides bar portion 1041 by being inserted in drilling equipment On synchronous pulley centre bore, realize complete power transmission so that drill bit 1001 is rotated, and cutting edge portion 1011 can be in circumference Direction carries out machining.Drill bit 1001 utilizes the ball 1061 in the contact site concave surface 1051 and setting concave surface on top and drilling Adjustment screw 427 in device is contacted, and is on the one hand positioned in vertical direction, is on the other hand received the downward work of downward force application part Firmly so that drill bit can move downward the machining drilled.

A kind of drilling equipment 400 includes drilling pressing plate 401, drilling rotary power rotating shaft 402, and drill toothed belt transmission machine Structure, drill bit back-moving spring 410, the drilling cope plate 406 provided with positioning hole 409, the drilling lower template for placing workpiece to be added Plate 411, drilling pressing mold locating dowel 412；Described drilling lower template plate 411 is arranged on workbench 304；Installed on drilling equipment There is drill bit 1001；In the insertion drilling cope plate of bit cutting blade 1011 positioning hole 409, by positioning in bar portion 1021 and drilling The cooperation of die plate locating holes 409 is positioned on drilling cope plate 406；In the blocking part 1031 of drill bit 1001 and drilling cope plate Drill bit back-moving spring 410 is provided between 406, drill bit 1001 is nested into retaining spring 410；Described drilling toothed belt transmission Mechanism includes the drilling timing belt driving wheel 403 being arranged in drilling power rotating shaft 402, drilling timing belt 413, drilling tensioning wheel 405th, more than two drilling synchronous pulleys 404；Described drilling timing belt driving wheel 403, drilling tensioning wheel 405, drill bit 1001 are all arranged on drilling cope plate 406, drilling timing belt 413 bypass drilling timing belt driving wheel 403, synchronous pulley 404, Drill the formation drilling toothed belt transmission of tensioning wheel 405.The slip bar portion 1041 of drill bit 1001 is positive cubic prism, synchronous pulley 404 offer positive cubic prism of the positive square prism hole with sliding bar portion on positive square cylindrical hole, synchronous pulley 404 It is engaged.Drilling timing belt driving wheel 403 rotates, and drives drilling synchronous pulley 404, drives the synchronous pulley on drill bit 1001 404, drive drill bit 1001 to rotate.The pressing mold locating dowel 412 that drills overcoat drill hole location column spring 415 passes through the brill of drilling cope plate Hole positioning hole is suspended on drilling pressing plate 401；Drill hole location column spring 415 is arranged on drilling pressing plate 401 and drilling cope plate 406 Between；The drilling lower template plate corresponding with drilling pressing mold locating dowel 412 is provided with drilling lower template plate 406 and positions post holes 416；The tip contact portion concave plane 1051 of the adjustment screw 427 that is provided with of drilling pressing plate 401 and drill bit 1001 is interior to be installed The abutting contact of ball 1061.

The method of work of Multi-station drilling device 400 and drill bit 1001 moves downward for drilling pressing plate 401, installed in drilling Drilling pressing mold locating dowel 412, drilling cope plate 406 on pressing plate 401 and each part one on drilling cope plate 406 Rise and move downward；The pressing mold locating dowel of drilling 412 enters the positioning post holes 416 of drilling lower template plate 411, drilling cope plate 406 with The lower template that drills plate 411 contacts matched moulds, and workpiece is compressed drilling lower template plate 411 simultaneously and fixed by drilling cope plate 406；Bore Drilling position on hole cope plate 406 on the corresponding workpiece in boring positioning hole 409 corresponding with drill bit；Drilling power rotating shaft 402 is rotated Drive drilling timing belt driving wheel 403 to rotate, drive the drilling gyration of timing belt 413, so that synchronous pulley 404 is driven, after And drive drill bit 1001 to rotate；Drill bit cutting portion 101 has cutting function；Drilling pressing plate 401 continues to move downward, drill hole location column Spring 415 is compressed, and the counter bored holes pressing plate of drilling pressing mold locating dowel 412 is moved upwards；Pressing plate 401 drill provided with adjustment spiral shell Silk 427 pushes the ball 1061 in the tip contact portion concave surface 1051 of drill bit 1001, then pushes tip contact portion by ball 1061 Concave plane 1051 so that drill bit 1001 is moved down；Drill bit 1001 is moved down, and slides the relative synchronization belt wheel 404 of bar portion 1041 Relative displacement is moved downward.Drill bit 1001 is while rotate, while moving down.With drilling pressing plate 401 downwards, drill bit 1001 Positioning bar portion 1021 is moved downward along drilling cope plate boring positioning hole 409, and drill bit back-moving spring 410 is compressed；With drilling Pressing plate 401 is further pushed, drill bit 1001 Continued downward motion, and drill bit 1001 passes the boring positioning hole of drilling cope plate 409, start to cut workpiece to be added and drilled, after the pressing plate 401 that drills presses to precalculated position, drill bit 200 reaches predetermined Drilling depth, completes predetermined boring action；Hereafter, drilling pressing plate 401 stops declining, and switchs to rise, with drilling pressing plate 401 Rise, the resilience of drill bit back-moving spring 410, drive drill bit 1001 to rise, the hole machined of workpiece to be added is left in bit cutting portion 1001 Position, is returned in drilling cope plate boring positioning hole 409；The pressing plate 401 that drills persistently rises, and the resilience of locating dowel spring 415 drives The drilling counter bored holes pressing plate 401 of cope plate 406 moves downward return；Drilling power axle 402 stops operating, and drill bit 1001 stops turning It is dynamic；Drilling pressing plate 401 continues to rise back to initial position, completes boring work.

Embodiment 3

As shown in Fig. 9,10,11,12, a kind of drill bit 1002 includes cutting edge portion 1012, the positioning bar portion positioned at tip 1022nd, blocking part 1032, slip bar portion 1042, the rotary shaft 1052 of top protrusion are constituted；The diameter of blocking part 1032 is more than fixed The diameter of position bar portion 1022.

As different from Example 1, drilling equipment 400, offer pivoted hole 420, installed in brill on drilling pressing plate 401 Rotary shaft 1052 of the top of the drill bit 1002 of aperture apparatus provided with protrusion, rotary shaft 1052 and rotary shaft pivoted hole 420 are pivotally connected, from And transmitting downward pressure so that drill bit is moved downward, while the also rotation of without prejudice to drill bit；Drill bit 1002 utilizes and positions bar portion 1022 coordinate installation with hole drilling die.

Drill bit back-moving spring 410 is provided between blocking part 1032 and drilling cope plate 406 on drill bit 1003；Bore Hole synchronous belt drive mechanism includes the drilling timing belt driving wheel 403 being arranged in drilling power rotating shaft 402, more than two Drill synchronous pulley 404, drilling timing belt 413, drilling tensioning wheel 405；Described drilling timing belt driving wheel 403, which is arranged on, to be bored Hole cope plate 406, drilling synchronous pulley 404 is arranged in the slip bar portion 104 of drill bit 100, and drilling tensioning wheel 405 is arranged on Drill on pressing plate 401, described drilling timing belt 413 bypasses drilling timing belt driving wheel 403, drilling synchronous pulley 404, bored The formation drilling toothed belt transmission of hole tensioning wheel 405；The length of the slip bar portion 104 of drill bit 100 is more than the thickness of synchronous pulley 404 Degree.When the timing belt driving wheel 403 that drills drives drill bit 1002 by the timing belt 413 that drills with drilling synchronous pulley 404, rotation Axle 1042 is rotated in rotary shaft hole 420, keeps the stability of drill bit 1002.When the pressing plate 401 that drills is moved downward, drilling Pressing plate 401 directly pushes drill bit 1002 and moved downward.

Embodiment 4

As shown in Figure 11,13, a kind of drill bit 1002 includes positioned at sophisticated cutting edge portion 1012, positioning bar portion 1022, supported Stopper 1032, slip bar portion 1042, the rotary shaft 1052 of top protrusion are constituted；The diameter of blocking part 1022 is more than positioning bar portion 1022 diameter.As different from Example 3, tensioning wheel 404 is arranged on drilling cope plate 406.

When the pressing plate 401 that drills is moved downward, drilling pressing plate 401 directly pushes drill bit 1002 and moved downward, drill bit 1002 Slip bar portion 1042 and synchronous pulley 402 occur relative displacement, the relative synchronization belt wheel 402 of drill bit 1002 is moved downward, due to The length for sliding bar portion 1042 is more than the thickness of synchronous pulley 402, and when drill bit 1002 is moved down, synchronous pulley 402 is still enclosed on Slide in bar portion 1042, still drive drill bit 1002 to rotate.Realize that on the one hand drill bit 1002 rotates, on the one hand move down Motion mode.Between rotary shaft 1003 and rotary shaft hole 420 friction is reduced provided with bearing shell (not shown).

Embodiment 5

As shown in Figure 14,15,16,17, a kind of screw tap 200 is included positioned at sophisticated screw forming blade 201, positioning bar portion 202nd, blocking part 203, slip bar portion 204, tip contact facial planes 205 are constituted.

Described screw tap 200 is step-like, and the diameter of blocking part 203 is more than the diameter of positioning bar portion 202.Positioned at sophisticated spiral shell The screw forming part that line shaping blade 201 works as tapping, for completing screw forming work；Screw tap positions bar portion 202 It is engaged during work with the positioning hole on tapping mould, by positioning bar portion 202 and the cooperation of the positioning hole on tapping mould, Screw tap can be made accurately to navigate to tapping position.Screw tap 202, which is utilized, to be slided in the insertion of bar portion 204 and tapping device actuating unit The centre bore of synchronous pulley is attached, utilize synchronous pulley transmission screw tap rotary power so that screw tap 200 is rotated, screw thread into Shape blade 201 can carry out screw forming processing in circumferencial direction.Contact facial planes 204 and tapping of the screw tap 200 using top Head part contact in device, on the one hand positions in vertical direction, on the other hand receives the down force of head part so that screw tap can To move downward the screw forming processing for carrying out tapping.

A kind of tapping device 500 includes tapping pressing plate 501, tapping rotary power rotating shaft 502, tapping toothed belt transmission machine Structure, screw tap back-moving spring 520, the tapping cope plate 506 provided with positioning hole 509, the tapping lower template for placing workpiece to be added Plate 511, tapping pressing mold locating dowel 512；Described tapping lower template plate 511 is set on the table；It is provided with tapping device Screw tap 200；In the screw-tap threaded shaping insertion tapping cope plate of blade 201 positioning hole 509, by positioning in bar portion 202 and tapping The cooperation of die plate locating holes 509 is positioned on tapping cope plate 506；In the blocking part 203 of screw tap 200 and tapping cope plate 506 Between be provided with screw tap back-moving spring 520；Described tapping synchronous belt drive mechanism includes being arranged on tapping power shaft 502 Tapping timing belt driving wheel 503, more than two tapping synchronous pulleys 504, tapping timing belt 513, tapping tensioning wheel 505； Described tapping timing belt driving wheel 503 is arranged on tapping pressing plate 501, and tapping synchronous pulley 504 is arranged on screw tap 200 Slide in bar portion 204, tapping tensioning wheel 505 is arranged on tapping pressing plate 501, and it is same that described tapping timing belt 513 bypasses tapping Step band driving wheel 503, tapping synchronous pulley 504, the formation tapping toothed belt transmission of tapping tensioning wheel 505；The sliding bar of screw tap 200 The length in portion 204 is greater than the thickness of synchronous pulley 504.The slip bar portion 204 of screw tap 200 is cubic prism, synchronous pulley The 504 square prism holes offered on square cylindrical hole, synchronous pulley 504 match with sliding the cubic prism of bar portion Close.Slide tapping timing belt driving wheel 503 to rotate, drive tapping synchronous pulley 504 to rotate, then drive screw tap 200 to rotate；By It is more than the thickness with synchronous pulley 504 in the length of the slip bar portion 204 on screw tap 200；Continuing to push in screw tap pressing plate makes Screw tap 200 when moving downward, the slip bar portion 204 of screw tap and synchronous pulley 504 it is vertical occur can relative displacement, but still Screw tap can be so set to keep rotation.The overcoat tapping locating dowel spring 515 of tapping pressing mold locating dowel 512 passes through the tapping of tapping cope plate Positioning hole is suspended on tapping pressing plate 501；Tapping locating dowel spring 515 be arranged on tapping pressing plate 501 and tapping cope plate 506 it Between；Provided with the tapping lower template plate positioning post holes 516 corresponding with tapping pressing mold locating dowel 512 on tapping lower template plate 506； Tip contact plane 205 abutting contact of the tapping pressing plate 501 provided with ball screw 517 and screw tap 200.

The method of work of multistation tapping device 500 and screw tap 200 is that tapping pressing plate 501 is moved downward, installed in tapping Tapping pressing mold locating dowel 512, tapping cope plate 506 on pressing plate 501 and each part one on tapping pressing plate 501 Rise and move downward；Tapping pressing mold locating dowel 512 enters the positioning post holes 516 of tapping lower template plate 511, tapping cope plate 506 with Tapping lower template plate 511 contacts matched moulds, and workpiece is compressed tapping lower template plate 511 simultaneously and fixed by tapping cope plate 506；Tapping Tapping position on cope plate 506 on the corresponding workpiece of tapping positioning hole 509 corresponding with screw tap；The rotational band of tapping power shaft 502 Dynamic tapping timing belt driving wheel 503 rotates, and drives the gyration of tapping timing belt 513, so that tapping synchronous pulley 504 is driven, Screw tap 200 is driven to rotate by the slip bar portion 204 on screw tap 200；Screw tap blade 201 has screw forming function；Tapping pressure Plate 501 continues to move downward, and tapping locating dowel spring 515 is compressed, and tapping pressing mold locating dowel 512 is upward with respect to tapping pressing plate Motion, the upper end of tapping locating dowel 512 enters the tapping pressing plate locating dowel being arranged between tapping pressing plate 501 and traveling table 302 The space of 512 motions；Tapping pressing plate 501 pushes the tip contact plane 205 of screw tap 200 provided with ball screw 517 so that Screw tap 200 is moved down, while the tapping tensioning wheel 505 on tapping pressing plate 501, and tapping timing belt 513, synchronization Belt wheel 504 is moved down in the lump, is not subjected to displacement between the slip bar portion 504 and synchronous pulley 504 of screw tap 500, so that Screw tap 500 is maintained under the drive of tapping synchronous belt drive mechanism and persistently rotated.The positioning bar portion 202 of screw tap 200 is along tapping Cope plate tapping positioning hole 509 is moved downward, and screw tap back-moving spring 520 is compressed；With tapping pressing plate 501 further under Pressure, the Continued downward motion of screw tap 200, screw tap 200 passes the tapping positioning hole 509 of tapping cope plate, starts screw forming to be added Workpiece carries out tapping, after tapping pressing plate 501 presses to precalculated position, and screw tap 200 reaches predetermined tapping depth, completes predetermined Tapping is acted；

Tapping pressing plate 501 stops declining, and then tapping pressing plate 501 switchs to rise, while tapping line shaft 502 reversely turns It is dynamic, the reversed turning motion of tapping timing belt 513 is driven, tapping timing belt 513 is reversely rear to drive tapping synchronous pulley 504 reversely to turn It is dynamic, drive screw tap 2006 to rotate backward；Screw tap 2006 is rotated backward reversely to be exited from screwed hole；With on tapping pressing plate 501 Rise, the resilience of screw tap back-moving spring 520, drive the blocking part 203 of screw tap 200 to rise and drive screw tap 200 reversely to exit screw thread rotation Rise, screw-tap threaded forming section 201 leaves the hole machined position of workpiece to be added, returns in tapping cope plate tapping positioning hole 509； Tapping pressing plate 501 persistently rises, the resilience of locating dowel spring 515, drives the relative tapping pressing plate 501 of tapping cope plate 506 fortune downwards Dynamic return；Tapping line shaft 502 stops operating, and screw tap 200 stops operating；Tapping pressing plate 501 continues to rise back to initial position, Complete tapping work.

Embodiment 6

As shown in Figure 18,19,20,21, a kind of screw tap 2001 is included positioned at sophisticated screw forming blade 2011, positioning Bar portion 2021, blocking part 2031, slip bar portion 2041, tip contact facial planes 2051 are constituted；

Described screw tap 2001 is step-like, and the diameter of blocking part 2031 is more than the diameter of positioning bar portion 2021.Positioned at point The screw forming part that end screw forming blade 2011 works as tapping, completes screw forming work；Screw tap positions bar portion It is engaged during 2021 work with the positioning hole 509 on tapping mould, screw tap 2001 is accurately navigated to tapping position.Screw tap 2001 Slide the positive square prism in center that bar portion 2041 is synchronous pulley 504 of the positive square prism by being inserted on tapping device Hole, realizes that power is transmitted so that screw tap 2001 is rotated, and screw forming blade 2011 can carry out screw forming in circumferencial direction and add Work.Screw tap 2001 utilizes the ball 2061 in the contact site concave surface 2051 and setting concave surface on top and the adjustment spiral shell in tapping device Silk 527 is contacted, and is on the one hand positioned in vertical direction, is on the other hand received the down force of downward force application part so that screw tap 2001 can move downward the screw forming processing for carrying out tapping.

A kind of tapping device 500 includes tapping pressing plate 501, tapping rotary power rotating shaft 502, tapping toothed belt transmission machine Structure, screw tap back-moving spring 520, the tapping cope plate 506 provided with positioning hole 509, the tapping lower template for placing workpiece to be added Plate 511, tapping pressing mold locating dowel 512；Described tapping lower template plate 511 is arranged on workbench 304；Installed on tapping device There is screw tap 2001；In the screw-tap threaded shaping insertion tapping cope plate of blade 2011 positioning hole 509, by positioning bar portion 2021 and attacking The cooperation of tooth cope plate positioning hole 509 is positioned on tapping cope plate 506；The mould on the blocking part 2031 of screw tap 2001 and tapping Screw tap back-moving spring 520 is provided between plate 506, screw tap 2001 is nested into retaining spring 510；Described tapping timing belt is passed Motivation structure includes the tapping timing belt driving wheel 503 being arranged on tapping power shaft 502, tapping timing belt 513, tapping Bearing up pulley 505, more than two tapping synchronous pulleys 504；Described tapping timing belt driving wheel 503, tapping tensioning wheel 505, silk Cone 2001 is all arranged on tapping cope plate 506, and tapping timing belt 513 bypasses tapping timing belt driving wheel 503, synchronous pulley 504th, the formation of tapping tensioning wheel 505 tapping toothed belt transmission.Tapping timing belt driving wheel 503 rotates, and drives tapping synchronous pulley 504, the synchronous pulley 504 on screw tap 2001 is driven, drives screw tap 2001 to rotate.The overcoat tapping of tapping pressing mold locating dowel 512 is determined The tapping positioning hole of position post spring 515 through tapping cope plate is suspended on tapping pressing plate 501；Tapping locating dowel spring 515 Between tapping pressing plate 501 and tapping cope plate 506；It is provided with and tapping pressing mold locating dowel on tapping lower template plate 506 512 corresponding tapping lower template plate positioning post holes 516；Adjustment screw 427 and screw tap 2001 that tapping pressing plate 501 is provided with The abutting contact of ball 2061 installed in tip contact portion concave plane 2051.

The method of work of multistation tapping device 500 and screw tap 2001 is that tapping pressing plate 501 is moved downward, installed in tapping Tapping pressing mold locating dowel 512, tapping cope plate 506 on pressing plate 501 and each part one on tapping cope plate 506 Rise and move downward；Tapping pressing mold locating dowel 512 enters the positioning post holes 516 of tapping lower template plate 511, tapping cope plate 506 with Tapping lower template plate 511 contacts matched moulds, and workpiece is compressed tapping lower template plate 511 simultaneously and fixed by tapping cope plate 506；Attack Tapping position on tooth cope plate 506 on the corresponding workpiece of tapping positioning hole 509 corresponding with screw tap；Tapping power shaft 502 is rotated Drive tapping timing belt driving wheel 503 to rotate, drive the gyration of tapping timing belt 513, so that synchronous pulley 504 is driven, after And drive screw tap 2001 to rotate；Screw tap blade 201 has screw forming function；Tapping pressing plate 501 continues to move downward, and tapping is fixed Position post spring 515 is compressed, and tapping pressing mold locating dowel 512 is moved upwards with respect to tapping pressing plate；As tapping pressing plate is pushed, tapping Pressing plate 401 pushes the ball 1061 installed in the tip contact portion concave plane 2051 of screw tap 2001 provided with adjustment screw 527, Tip contact portion concave plane 2051 is pushed by ball 2061 again so that screw tap 2001 is moved down；Screw tap 2001 is moved down, sliding The relative synchronization belt wheel 504 of lever portion 2041 occurs relative displacement and moved downward.Screw tap 2001 is while rotate, while moving down. With tapping pressing plate 501 downwards, the positioning bar portion 2021 of screw tap 2001 is moved downward along tapping cope plate tapping positioning hole 509, Screw tap back-moving spring 510 is compressed；With further pushing for tapping pressing plate 501, the Continued downward motion of screw tap 2001, screw tap 2001 pass the tapping positioning hole 509 of tapping cope plate, start screw forming workpiece to be added and carry out tapping, when tapping pressing plate 501 Press to behind precalculated position, screw tap 200 reaches predetermined tapping depth, complete predetermined tapping action；Under tapping pressing plate 501 stops Drop, then tapping pressing plate 501 switchs to rise, while tapping line shaft 502 is rotated backward, drives tapping timing belt 513 reversely to return Transhipment is dynamic, and tapping timing belt 513 is reversely rear to drive tapping synchronous pulley 504 to rotate backward, and drives screw tap 2006 to rotate backward；Silk Cone 2006 is rotated backward reversely to be exited from screwed hole；As tapping pressing plate 501 rises, the resilience of screw tap back-moving spring 520 drives The blocking part 203 of screw tap 200, which rises, drives screw tap 200 reversely to exit screw thread rotation rising, and screw-tap threaded forming section 2001 leaves The hole machined position of workpiece to be added, is returned in tapping cope plate tapping positioning hole 509；Tapping pressing plate 501 persistently rises, locating dowel bullet The resilience of spring 515, drives the relative tapping pressing plate 501 of tapping cope plate 506 to move downward return；Tapping line shaft 502 stops turning Dynamic, screw tap 2001 stops operating；Tapping pressing plate 501 continues to rise back to initial position, completes tapping work.

Embodiment 7

As shown in Figure 22,23,24,25, a kind of screw tap 2002 is included positioned at sophisticated screw forming blade 2012, locating rod Portion 2022, blocking part 2032, slip bar portion 2042, the rotary shaft 2052 of top protrusion are constituted；The diameter of blocking part 2032 is more than Position the diameter of bar portion 2022.

As different from Example 5, tapping device 500, offer pivoted hole 420 on tapping pressing plate 501, installed in attacking Rotary shaft 2052 of the top of the screw tap 2002 of tooth device provided with protrusion, rotary shaft 2052 and rotary shaft hole 420 are pivotally connected, so as to pass Pressure under being presented to so that screw tap is moved downward, while the also rotation of without prejudice to screw tap；Screw tap 2002 utilizes and positions bar portion 2022 To coordinate with tapping mould and install.

Screw tap back-moving spring 520 is provided between blocking part 2032 and tapping cope plate 506 on screw tap 2003；Attack Tooth synchronous belt drive mechanism includes the tapping timing belt driving wheel 503 being arranged on tapping power shaft 502, more than two Tapping synchronous pulley 504, tapping timing belt 513, tapping tensioning wheel 505；Described tapping timing belt driving wheel 503 is arranged on and attacked On tooth pressing plate 501, tapping synchronous pulley 504 is arranged in the slip bar portion 204 of screw tap 200, and tapping tensioning wheel 505 is arranged on On tapping pressing plate 501, described tapping timing belt 513 bypasses tapping timing belt driving wheel 503, tapping synchronous pulley 504, tapping The formation tapping toothed belt transmission of tensioning wheel 505；The length of the slip bar portion 204 of screw tap 200 is greater than the thickness of synchronous pulley 504 Degree.When tapping timing belt driving wheel 503 drives screw tap 2002 by tapping timing belt 513 and tapping synchronous pulley 504, rotation Rotating shaft 2042 is rotated in rotary shaft hole 420, keeps the stability of screw tap 2002.When tapping pressing plate 501 is moved downward, attack Tooth pressing plate 501 directly pushes screw tap 2002 and moved downward.

Embodiment 8

As shown in Figure 22,26, a kind of screw tap 2002 is included positioned at sophisticated screw forming blade 2012, positioning bar portion 2022nd, blocking part 2032, slip bar portion 2042, the rotary shaft 2052 of top protrusion are constituted；The diameter of blocking part 2032 is more than fixed The diameter of position bar portion 2022.As different from Example 7, tensioning wheel 504 is arranged on tapping cope plate 506.

When tapping pressing plate 501 is moved downward, tapping pressing plate 501 directly pushes screw tap 2002 and moved downward, screw tap 2002 Slip bar portion 2042 and synchronous pulley 502 occur relative displacement, the relative synchronization belt wheel 502 of screw tap 2002 is moved downward, due to The length for sliding bar portion 2042 is more than the thickness of synchronous pulley 502, and when screw tap 2002 is moved down, synchronous pulley 502 is still enclosed on Slide in bar portion 2042, still drive screw tap 2002 to rotate.Realize that on the one hand screw tap 2002 rotates, on the one hand move down Motion mode.Between rotary shaft 2003 and rotary shaft hole 520 friction is reduced provided with bearing shell (not shown).

Embodiment 9

As shown in figure 27, a kind of drill bit 1003, cutting edge portion 1013, positioning bar portion 1023 positioned at tip, blocking part 1033rd, bar portion 1043, tip contact portion 1053 are slided, slip bar portion 1043 is hexagon rib body.

Ball screw in drilling or chasing bar and drill bit or screw tap top contact plane in embodiment 1 or 5 is mutual The structure type of abutting can be with the drilling in embodiment 2 or 6 or the adjustment screw in screw tap device and drill bit or screw tap top The structure type that receiving ball in contact concave surface is mutually abutted is interchangeable combination, can still act as embodiment to realize the present invention Purpose, complete keep bit while promote drill bit move downward action, realize drilling equipment promotion drill bit it is downward The function of motion.Embodiments of the present invention are also belonged to, among present disclosure.

The slip bar portion of drill bit or screw tap equally can be equilateral triangle prism, and corresponding driving pulley centre bore is Positive three solution shape prisms hole, which is engaged, can equally realize that synchronous pulley drives the rotation of drill bit or screw tap.Equally, using positive five jiaos The cooperation in the prism of shape or other shapes and positive pentagon or the prism hole of other shapes also can reach the effect same of transmission, Belong in present disclosure.

Embodiment 10

As shown in Fig. 5,28,29, the drill bit of the present embodiment uses the drill bit 1001 of embodiment 2.Drill bit 1001 includes being located at The cutting edge portion 1011 at tip, positioning bar portion 1021, blocking part 1031, slip bar portion 1041, the structure of tip contact portion concave surface 1051 Into；.

With as shown in 28,29 figures, the present embodiment is with the difference of embodiment 2, drill bit 1001 using top contact site Ball 1061 in concave surface 1051 and setting concave surface is directly abutted with the pressing plate 401 that drilled in drilling equipment.

When Multi-station drilling device works, drilling pressing plate 401 directly pushes the tip contact portion concave surface 1051 of drill bit 1001 Interior ball 1061, then tip contact portion concave plane 1051 is pushed by ball 1061 so that drill bit 1001 is moved down.

Embodiment 11

As shown in Figure 18,30,31, the drill bit of the present embodiment uses the screw tap 2001 of embodiment 2.Screw tap 2001 includes position Cutting edge portion 2011, positioning bar portion 2021 in tip, blocking part 2031, slip bar portion 2041, tip contact portion concave surface 2051 Constitute；.

With as shown in 28,29 figures, the present embodiment is with the difference of embodiment 2, screw tap 2001 using top contact site Ball 2061 in concave surface 2051 and setting concave surface is directly abutted with tapping pressing plate 501 in tapping device.

When multistation tapping device works, tapping pressing plate 501 directly pushes the tip contact portion concave surface 2051 of screw tap 2001 Interior ball 2061, then tip contact portion concave plane 2051 is pushed by ball 2061 so that screw tap 2001 is moved down.

Embodiment 12

As shown in Figure 32,33, a kind of drill bit 1004 includes positioned at sophisticated cutting edge portion 1014, positioning bar portion 1024, supported Stopper 1034, slide bar portion 1044, constitute positioned at one section of tip contact portion 1054 of drill end；

Described drill bit 1004 is step-like, and the diameter of blocking part 1034 is more than the diameter of positioning bar portion 1024.Sliding bar Portion 1044 is square prism.Positioned at cutting tip of the tip cutting edge portion 1014 as boring work；Drill bit locating rod Portion 1024 is engaged when working with the positioning hole 409 on hole drilling die, by positioning bar portion 1024 and the positioning on hole drilling die The cooperation in hole 409, can make drill bit accurately navigate to drilling position.Drill bit 1004 slides bar portion 1044 by being inserted in drilling equipment On synchronous pulley centre bore, realize complete power transmission so that drill bit 1004 is rotated, and cutting edge portion 1014 can be in circumference Direction carries out machining.The tip contact portion 1054 of drill bit 1004 is nested into the force application part being arranged on drilling equipment, On the one hand in vertical direction positioning, the down force of downward force application part is on the other hand received so that drill bit can be transported downwards The dynamic machining drilled.

A kind of drilling equipment 400 includes drilling pressing plate 401, drilling rotary power rotating shaft 402, and drill toothed belt transmission machine Structure, drill bit back-moving spring 410, the drilling cope plate 406 provided with positioning hole 409, the drilling lower template for placing workpiece to be added Plate 411, drilling pressing mold locating dowel 412；Described drilling lower template plate 411 is arranged on workbench 304；Installed on drilling equipment There is drill bit 1004；In the insertion drilling cope plate of bit cutting blade 1014 positioning hole 409, by positioning in bar portion 1024 and drilling The cooperation of die plate locating holes 409 is positioned on drilling cope plate 406；In the blocking part 1034 of drill bit 1004 and drilling cope plate Drill bit back-moving spring 410 is provided between 406, drill bit 1004 is nested into retaining spring 410；Described drilling toothed belt transmission Mechanism includes the drilling timing belt driving wheel being arranged in drilling power rotating shaft, drilling timing belt 413, drilling tensioning wheel 405, two Drilling synchronous pulley 404 more than individual；Described drilling timing belt driving wheel 403, drilling tensioning wheel 405, drill bit 1004 are all pacified On drilling cope plate 406, drilling timing belt 413 bypasses drilling timing belt driving wheel 403, synchronous pulley 404, drilling tensioning Wheel 405 forms drilling toothed belt transmission.The slip bar portion 1044 of drill bit 1004 is positive cubic prism, and synchronous pulley 404 is opened up There is the positive square prism hole on positive square cylindrical hole, synchronous pulley 404 to be engaged with sliding the positive cubic prism of bar portion. Drilling timing belt driving wheel 403 rotates, and drives drilling synchronous pulley 404, drives the synchronous pulley 404 on drill bit 1004, drives Drill bit 1004 rotates.The pressing mold locating dowel 412 that drills overcoat drill hole location column spring 415 passes through the boring positioning hole of drilling cope plate It is suspended on drilling pressing plate 401；Drill hole location column spring 415 is arranged between drilling pressing plate 401 and drilling cope plate 406； The lower template that drills plate 406 is provided with the drilling lower template plate corresponding with drilling pressing mold locating dowel 412 and positions post holes 416；Boring The lower section of pore pressure plate 401 is provided with head part 431 and ball 432, and the section of described head part 431 is substantially H types, and the top surface of head part 431 is set There is the shrinkage pool 433 for accommodating ball, ball 432 is arranged in shrinkage pool 433, the bottom of head part 431 is provided with receiving drill bit tip contact portion 1054 mounting hole 434.Head part 431 is enclosed on the contact site 1054 of drill end, and drill end contact site 1054 is installed to brill In the mounting hole 434 of head.Ball 432 in the top surface shrinkage pool 433 of head part 431 is abutted with drilling pressing plate 401.Below head part 431 Provided with the second spring 435 resetted for head part, the top of second spring 435 is contacted with head part 431, and bottom is synchronous with drill bit Belt wheel 1037 is contacted.Mounting hole in head part 431 is through hole.

The method of work of Multi-station drilling device 400 and drill bit 1004 moves downward for drilling pressing plate 401, installed in drilling Drilling pressing mold locating dowel 412, drilling cope plate 406 on pressing plate 401 and each part one on drilling cope plate 406 Rise and move downward；The pressing mold locating dowel of drilling 412 enters the positioning post holes 416 of drilling lower template plate 411, drilling cope plate 406 with The lower template that drills plate 411 contacts matched moulds, and workpiece is compressed drilling lower template plate 411 simultaneously and fixed by drilling cope plate 406；Bore Drilling position on hole cope plate 406 on the corresponding workpiece in boring positioning hole 409 corresponding with drill bit；Drilling power rotating shaft 402 is rotated Drive drilling timing belt driving wheel 403 to rotate, drive the drilling gyration of timing belt 413, so that synchronous pulley 404 is driven, after And drive drill bit 1004 to rotate；Drill bit cutting portion 1014 has cutting function；Drilling pressing plate 401 continues to move downward, boring positioning Post spring 415 is compressed, and the counter bored holes pressing plate of drilling pressing mold locating dowel 412 is moved upwards；Drilling pressing plate 401 pushes ball 432, then head part 431 is pushed by ball 432, and then push tip contact portion 1054 so that drill bit 1004 is moved down；Drill bit 1004 move down, and slide the relative displacement of 1044 relative synchronization belt wheel of bar portion 404 and move downward, second spring 435 is compressed.Bore First 1004 while rotate, while moving down.With drilling pressing plate 401 downwards, the positioning bar portion 1024 of drill bit 1004 is along drilling Cope plate boring positioning hole 409 is moved downward, and drill bit back-moving spring 410 is compressed；With drilling pressing plate 401 further under Pressure, the Continued downward motion of drill bit 1004, drill bit 1004 passes the boring positioning hole 409 of drilling cope plate, starts cutting to be processed Part is drilled, and after the pressing plate 401 that drills presses to precalculated position, drill bit 1004 reaches predetermined drilling depth, completes predetermined Boring action；Hereafter, drilling pressing plate 401 stops declining, and switchs to rise, as drilling pressing plate 401 rises, drill bit back-moving spring 410 resiliences, drive drill bit 1004 to rise, and the hole machined position of workpiece to be added is left in bit cutting portion 1014, returns to drilling cope plate In boring positioning hole 409；The pressing plate 401 that drills persistently rises, the resilience of locating dowel spring 415, drives drilling cope plate 406 relative Drilling pressing plate 401 moves downward return；Drilling power axle 402 stops operating, and drill bit 1004 stops operating；Drill pressing plate 401 after It is continuous to rise back to initial position, complete boring work.

Alternatively, mounting hole 434 can also be the blind hole not being connected with shrinkage pool 433.

Embodiment 13

As shown in Figure 34,35, a kind of screw tap 2004 is included positioned at sophisticated screw forming blade 2014, positioning bar portion 2024th, blocking part 2034, slide bar portion 2044, constitute positioned at one section of tip contact portion 2054 on screw tap top；

Described screw tap 2004 is step-like, and the diameter of blocking part 2034 is more than the diameter of positioning bar portion 2024.Sliding bar Portion 2044 is square prism.The cutting worked positioned at sophisticated screw forming blade 2014 as tapping or extruding work department Point；Screw tap positioning bar portion 2024 is engaged when working with the positioning hole 509 on tapping mould, by positioning bar portion 2024 and tapping The cooperation of positioning hole 509 on mould, can make screw tap accurately navigate to tapping position.Screw tap 2004 slides bar portion 2044 and passed through The centre bore for the synchronous pulley being inserted on tapping device, realizes and completes power transmission so that screw tap 2004 is rotated, screw forming sword Portion 2014 can carry out machining in circumferencial direction.The tip contact portion 2054 of screw tap 2004, which is nested into, is arranged on tapping device On force application part in, on the one hand vertical direction position, on the other hand receive the down force of downward force application part so that Screw tap can move downward the machining for carrying out tapping.

A kind of tapping device 500 includes tapping pressing plate 501, tapping rotary power rotating shaft 502, tapping toothed belt transmission machine Structure, screw tap back-moving spring 510, the tapping cope plate 506 provided with positioning hole 509, the tapping lower template for placing workpiece to be added Plate 511, tapping pressing mold locating dowel 512；Described tapping lower template plate 511 is arranged on workbench 304；Installed on tapping device There is screw tap 2004；In the screw-tap threaded shaping insertion tapping cope plate of blade 2014 positioning hole 509, by positioning bar portion 2024 and attacking The cooperation of tooth cope plate positioning hole 509 is positioned on tapping cope plate 506；The mould on the blocking part 2034 of screw tap 2004 and tapping Screw tap back-moving spring 510 is provided between plate 506, screw tap 2004 is nested into retaining spring 510；Described tapping timing belt is passed Motivation structure includes the tapping timing belt driving wheel 503 being arranged on tapping power shaft 502, tapping timing belt 513, tapping Bearing up pulley 505, more than two tapping synchronous pulleys 504；Described tapping timing belt driving wheel 503, tapping tensioning wheel 505, silk Cone 2004 is all arranged on tapping cope plate 506, and tapping timing belt 513 bypasses tapping timing belt driving wheel 503, synchronous pulley 504th, the formation of tapping tensioning wheel 505 tapping toothed belt transmission.The slip bar portion 2044 of screw tap 2004 is positive cubic prism, synchronous Belt wheel 504 offers positive Square-edge of the positive square prism hole with sliding bar portion on positive square cylindrical hole, synchronous pulley 504 Cylinder is engaged.Tapping timing belt driving wheel 503 rotates, and drives tapping synchronous pulley 504, drives the timing belt on screw tap 2004 Wheel 504, drives screw tap 2004 to rotate.The overcoat tapping locating dowel spring 515 of tapping pressing mold locating dowel 512 passes through tapping cope plate Tapping positioning hole be suspended on tapping pressing plate 501；Tapping locating dowel spring 515 is arranged on tapping pressing plate 501 and mould in tapping Between plate 506；Positioned on tapping lower template plate 506 provided with the tapping lower template plate corresponding with tapping pressing mold locating dowel 512 Post holes 516；Head part 531 and ball 532 are provided with below tapping pressing plate 501, the section of described head part 531 is substantially H types, The top surface of head part 531 is arranged in shrinkage pool 533 provided with the shrinkage pool 533 for accommodating ball, ball 532, and the bottom of head part 531 is provided with receiving silk The vertex of a cone terminates the mounting hole 534 of contact portion 2054.Head part 531 is enclosed on the contact site 2054 on screw tap top, screw tap tip contact portion 2054 are installed in the mounting hole 534 of screw tap.Ball 532 in the top surface shrinkage pool 533 of head part 531 is abutted with tapping pressing plate 501. The lower section of head part 531, which is provided with, is used for the second spring 535 that head part resets, and the top of second spring 535 is contacted with head part 531, bottom and Synchronous pulley 1037 on screw tap is contacted.Mounting hole in head part 531 is through hole.

The method of work of multistation tapping device 500 and screw tap 2004 is that tapping pressing plate 501 is moved downward, installed in tapping Tapping pressing mold locating dowel 512, tapping cope plate 506 on pressing plate 501 and each part one on tapping cope plate 506 Rise and move downward；Tapping pressing mold locating dowel 512 enters the positioning post holes 516 of tapping lower template plate 511, tapping cope plate 506 with Tapping lower template plate 511 contacts matched moulds, and workpiece is compressed tapping lower template plate 511 simultaneously and fixed by tapping cope plate 506；Attack Tapping position on tooth cope plate 506 on the corresponding workpiece of tapping positioning hole 509 corresponding with screw tap；Tapping power shaft 502 is rotated Drive tapping timing belt driving wheel 503 to rotate, drive the gyration of tapping timing belt 513, so that synchronous pulley 504 is driven, after And drive screw tap 2004 to rotate；The screw forming blade 2014 of screw tap has cutting and squeeze function；Tapping pressing plate 501 continues Move downward, tapping locating dowel spring 515 is compressed, tapping pressing mold locating dowel 512 is moved upwards with respect to tapping pressing plate；Tapping pressure Plate 501 pushes ball 532, then pushes head part 531 by ball 532, and then pushes tip contact portion 2054 so that screw tap 2004 to Lower movement；Screw tap 2004 is moved down, and is slided the relative displacement of 2044 relative synchronization belt wheel of bar portion 504 and is moved downward, second spring 535 compressions.Screw tap 2004 is while rotate, while moving down.With tapping pressing plate 501 downwards, the positioning bar portion of screw tap 2004 2024 are moved downward along tapping cope plate tapping positioning hole 509, and screw tap back-moving spring 510 is compressed；With tapping pressing plate 501 Further push, the Continued downward motion of screw tap 2004, screw tap 2004 passes the tapping positioning hole 509 of tapping cope plate, starts to cut Cut workpiece to be added and carry out tapping, after tapping pressing plate 501 presses to precalculated position, screw tap 2004 reaches predetermined tapping depth, Complete predetermined tapping action；Hereafter, tapping pressing plate 501 stops declining, and switchs to rise, meanwhile, tapping line shaft 502 is inverted, and is led to Crossing timing belt 513 drives screw tap 2004 to invert, as tapping pressing plate 501 rises, screw tap back-moving spring 510 and second spring 535 Resilience resets, and screw tap 2004 rises, and screw-tap threaded shaping blade 2014 leaves the hole machined position of workpiece to be added, returns to mould in tapping In plate tapping positioning hole 509；Tapping pressing plate 501 persistently rises, the resilience of locating dowel spring 515, drives the phase of tapping cope plate 506 Return is moved downward to tapping pressing plate 501；Tapping line shaft 502 stops operating, and screw tap 2004 stops operating；Tapping pressing plate 501 Continue to rise back to initial position, complete tapping work.

Alternatively, mounting hole 534 can also be not attached to logical blind hole with shrinkage pool 533.

Claims

1. a kind of drill bit or screw tap, it is characterised in that including the shaping work blade positioned at tip, positioning bar portion, blocking part, cunning Lever portion, tip contact portion are constituted；Described locating rod portion is located at the upper end of shaping work blade, and blocking part is located at positioning bar portion Upper end, described sliding bar portion, which is located at, to be supported when the upper end in portion, and tip contact portion of institute, which is located at, slides bar portion upper end；Described slip Bar portion is prism more than triangle or square or corner；The blocking part diameter is more than positioning gauge diameter.

2. drill bit as claimed in claim 1 or screw tap, it is characterised in that described slip bar portion is cubic prism or hexagonal Prism.

3. drill bit as claimed in claim 1 or screw tap, it is characterised in that the contact site of described drill end is top contact Plane or be contact concave surface or be protrusion rotating shaft it is any.

4. a kind of multistation drilling or tapping device, it is characterised in that including rotary power rotating shaft, synchronous belt drive mechanism, upper mould Plate, for the back-moving spring that drill bit or screw tap are supported on the cope plate, the lower template for placing workpiece to be added, pressure Plate, pressing mold locating dowel；The cope plate is provided with the cope plate positioning hole coordinated for the positioning bar portion of drill bit or screw tap；Described is same Walk the timing belt driving wheel that tape handler includes being arranged on power shaft, timing belt, synchronous pulley；Described timing belt drives Driving wheel is arranged on pressing plate or cope plate；

Locating dowel spring is cased with outside pressing mold locating dowel, the positioning hole through cope plate is suspended on pressing plate；Locating dowel spring is pacified Between pressing plate and cope plate；

Head part and drill bit are provided between pressing plate and the tip contact portion of drill bit using directly conflict or pivot joint or on pressing plate Or the tip contact portion of screw tap against either type.

5. multistation as claimed in claim 4 drilling or tapping device, it is characterised in that described head part is and drill bit or silk The vertex of a cone terminate contact portion against ball screw, tip contact portion is plane or concave surface.

6. multistation drilling as claimed in claim 4 or tapping device, it is characterised in that pressing plate is provided with and drill bit or screw tap The rotary shaft hole of the rotary shaft pivot joint of top protrusion.

7. multistation as claimed in claim 4 drilling or tapping device, it is characterised in that described head part is and drill bit or silk The ball contact portion of vertex of a cone end in contact concave surface against adjustment screw.

8. multistation drilling as claimed in claim 4 or tapping device, it is characterised in that the section of described head part is substantially H Type, head part top surface is arranged in shrinkage pool provided with the shrinkage pool for accommodating ball, ball, and head part bottom is provided with receiving drill bit or screw tap top The mounting hole of contact site；Being provided with below head part is used for the second spring that head part resets.

9. multistation drilling as claimed in claim 4 or tapping device, it is characterised in that be provided with synchronous belt drive mechanism More than one synchronous belt tensioner pulley.

10. multistation drilling as claimed in claim 4 or tapping device, it is characterised in that be provided with fixed with pressing mold in lower template The corresponding lower template positioning post holes of position post.

11. multistation drills or tapping device method of work, it is characterised in that：Drill bit or screw tap are installed to the multiplexing of the present invention In position drilling or tapping device；Synchronous pulley is installed in the slip bar portion of drill bit or screw tap, drill bit or screw tap tip contact portion Be pivotally attached to installed on pressing plate or on pressing plate head part institute against；

Workpiece to be added is placed on lower template plate；Pressing plate is moved downward, and cope plate contacts matched moulds with lower template plate；Power shaft Rotate, drive timing belt gyration, timing belt drives synchronous pulley to rotate；Synchronous pulley drives drill bit or screw tap to turn after rotating Dynamic, pressing plate continues to move downward；Drill bit or screw tap are pushed on pressing plate or pressing plate so that drill bit or screw tap are moved down；

Drill bit or screw tap pass the positioning hole of cope plate, start cutting treat or extrusion process part drilled or tapping work；When Pressing plate is pressed to behind precalculated position, and drill bit or screw tap reach predetermined drilling depth, completes predetermined drilling or tapping action；Pressing plate Switch to rise, as pressing plate rises；The shaping work blade of drill bit or screw tap leaves the hole machined position of workpiece to be added, returns to mould In plate positioning hole.