CN107096947A - Drill bit and screw tap - Google Patents

Abstract

A kind of drill bit or screw tap, including cutting edge portion or screw forming blade, positioning bar portion, transmission teeth portion, tip contact portion composition positioned at tip, it is not necessary to drilling and tapping work are completed to transmit power by the clamping of drill chuck；It can not just be limited, also not influenceed by drill chuck radius by drill chuck during drilling, so as to realize that the direct of multiple hole positions of any pitch of holes 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, drill bit can be made accurately to navigate to drilling position.Due to being that drill bit is directly positioned, it is more accurate to be positioned than prior art using drill chuck, the site error that vibration etc. is caused when eliminating drill bit setting-up eccentricity or not coaxial or rotation.

Description

Drill bit and screw tap

Technical field：

The cutlery with screw forming is shaped the present invention relates to the hole of the multistation screwed hole of accurate or small pitch of holes, especially It is related to a kind of drill bit and screw tap.

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 distance is accurate between each hole position or screw thread hole position.

The drill bit of the present invention includes constituting positioned at sophisticated cutting edge portion, positioning bar portion, transmission teeth portion, tip contact portion. Cutting edge portion positioned at tip completes cutwork as the cutting tip of boring work；Drill bit positions bar portion and hole drilling die On positioning hole be engaged, by positioning bar portion and the cooperation of the positioning hole on hole drilling die drill bit can be made accurately to navigate to Drill position.Due to being that drill bit is directly positioned, it is more accurate to be positioned than prior art using drill chuck, eliminates drill bit setting-up eccentricity Or the site error caused such as not coaxial.Power is transmitted because drill bit needs not rely on the clamping of drill chuck, but is utilized and bored Driving cog part and the toothed member in actuating unit, such as gear on head, the engagement of the progress such as timing belt, transmission bit are moved Power so that drill bit is rotated, and then cutting edge portion can carry out machining in circumferencial direction.Meanwhile, drill bit is connect using top Contact portion is contacted with the downward force application part in drilling equipment, is on the one hand positioned in vertical direction, on the other hand receives force downwards The down force of part so that drill bit can be moved downward.Using such a mode, it can not just be limited during drilling by drill chuck System, is not influenceed by drill chuck radius, so as to realize that the direct of multiple hole positions of any pitch of holes drills simultaneously.

Further, the transmission teeth portion of drill bit is any of travelling gear or synchronous pulley.First way, drill bit leads to Gear is crossed first to engage with the jackshaft gear of actuating unit, then in the gear and actuating unit on actuating unit jackshaft The synchronous uniformity that power transmission relationship obtains each drill bit movement is set up between synchronous pulley, timing belt on countershaft；Second Mode, drill bit can also be engaged by directly with synchronous pulley with the timing belt in actuating unit, complete power transmission.Due to power Power mode is transmitted using timing belt in mechanism, multiple drill bits synchronous axial system in same drilling equipment or equipment can be caused, With good rotation uniformity.

Further, the contact site of drill end is top contact plane or is times for contacting concave surface or being the rotary shaft protruded One is a kind of.First way, drill bit is directly contacted by top contact plane with the head part of downward force application part, preferably, Head part can have the structure type of ball using lower section, on the one hand transmit downward pressure so that drill bit is moved downward, simultaneously Also reduction force-applying piece and the friction of bit contact plane, are conducive to the rotary motion of drill bit.On top at the top of the second way, drill bit Portion is contacted, between drill bit and head part provided with contact concave surface for accommodating and disposing ball, then with as the head part of force application part Frictional force is small, with good rotary motion；The third mode, drill bit can also be by rotary shaft of the top provided with protrusion It is pivotally connected with the rotary shaft hole downwards as force application part, so that the downward pressure of transmission so that drill bit is moved downward, while The rotation of without prejudice to drill bit.

Further, drill bit can be integral structure or split-type structural.It is described during using split-type structural Transmission teeth portion and positioning bar portion between provided with being connected and fixed structure.The transmission teeth portion and positioning bar portion of drill bit will ensure that connection is solid It is fixed reliable, the machining of drill bit is not influenceed.

Further, the described structure that is connected and fixed is thread connection or interference fit connection or buckle connection.To ensure two Individual rod member is fixedly connected, and the drill bit of split can be matched somebody with somebody using thread connection or interference according to the specific stressing conditions of cutting Close any form of connection or buckle connection.

Further, described drill bit is step-like, and the diameter of transmission teeth portion is more than positioning bar portion.Match somebody with somebody in drill bit with drilling die When closing progress Drilling operation, positioning bar portion is extend into positioning hole, also, is made between drill bit and drilling die provided with back-moving spring Drill bit reset is obtained, the diameter of transmission teeth portion is more than positioning bar portion, and teeth portion and hole drilling die cooperation are driven so as to realize to utilize Spring is carried out in vertical direction spacing.

As an improvement, described drill bit is step-like, blocking part, blocking part are provided between positioning bar portion and transmission teeth portion Diameter be more than positioning gauge diameter.By setting blocking part on drill bit, it is possible to achieve coordinate in drill bit and drilling die and carry out During Drilling operation, positioning bar portion is extend into positioning hole, is coordinated using blocking part and hole drilling die to back-moving spring in vertical side It is spacing to carrying out, it will not produce and interfere because of the rotation of driving cog between back-moving spring and transmission teeth portion.

The screw tap of the present invention includes screw forming blade, positioning bar portion, transmission teeth portion, the tip contact portion structure positioned at tip Into.Cutting or extrusion molding working portion that screw forming blade positioned at tip works as tapping, by cutting or extruding Tapping work is completed, screw tap positioning bar portion is engaged with the positioning hole on tapping mould, by positioning bar portion and tapping mould Positioning hole cooperation, screw tap can be made accurately to navigate to tapping station.Due to directly being positioned using screw tap positioning bar portion, It is more accurate to be positioned than prior art using drill chuck, eliminates the position caused such as eccentric or not coaxial when screw tap is installed and misses Difference.Transmit power because screw tap needs not rely on the clamping of drill chuck, but utilize driving cog part with actuating unit Toothed member, such as gear, timing belt etc. are attached, and transmit screw tap rotary power so that screw tap is rotated, and screw forming blade can be with Carry out screw thread process.Screw tap is contacted using the contact site on top with the downward force application part in tapping device, on the one hand vertical Direction is positioned, and on the other hand receives the down force of downward force application part so that screw tap, which can be moved downward, carries out tapping Machining.Using such a mode, the arrangement of screw tap can not just be limited by drill chuck, not influenceed by drill chuck radius, So as to realize multiple hole positions directly tapping simultaneously of any pitch of holes.

Further, transmission teeth portion is any of travelling gear or synchronous pulley.First way, screw tap passes through transmission Gear is engaged with the countershaft-gear of actuating unit, then the countershaft-gear and the jackshaft of actuating unit by actuating unit are synchronous Power transmission is set up between belt wheel, timing belt, to obtain the synchronous uniformity of each screw tap motion；The second way, screw tap also may be used Directly engaged by synchronous pulley with the timing belt in actuating unit, complete power transmission.Due to using synchronous in actuating unit Band transmission power mode, can cause multiple screw taps synchronous axial system in same tapping device or equipment, with good rotation Uniformity and synchronism.

Further, the contact site on screw tap top is top contact plane or is times for contacting concave surface or being the rotary shaft protruded One is a kind of.First way, screw tap is directly contacted by top contact plane with the head part as downward force application part, as excellent Choosing, head part can have the structure type of ball using lower section, on the one hand transmit downward pressure so that screw tap is moved downward, The also friction of reduction force-applying piece and screw tap contact plane, is conducive to the rotation of screw tap simultaneously.On top at the top of the second way, screw tap Portion is contacted provided with contact concave surface for accommodating and disposing ball, then with as the head part of force application part, thus screw tap and head part it Between frictional force it is small, with good rotary motion；The third mode, screw tap can also be by rotation of the top provided with protrusion Rotating shaft as the rotary shaft hole of downward force application part with being pivotally connected, so that the downward pressure of transmission so that screw tap is moved downward, together When also without prejudice to screw tap rotation.

Further, screw tap can be integral structure or split-type structural, described during using split-type structural Transmission teeth portion and positioning bar portion between provided with being connected and fixed structure.The transmission teeth portion and positioning bar portion of screw tap will ensure that connection is solid It is fixed reliable, the machining of screw tap is not influenceed.

Further, the described structure that is connected and fixed is thread connection or interference fit connection or buckle connection.To ensure two Individual rod member is fixedly connected, can according to the specific stressing conditions of cutting or extruding, to the screw tap of split using thread connection or Interference fit connection or any form of buckle connection.

Further, described screw tap is step-like, and the diameter of transmission teeth portion is more than positioning bar portion.Match somebody with somebody in screw tap with tapping mould When closing progress tapping processing, positioning bar portion is extend into positioning hole, also, is made between screw tap and tapping mould provided with back-moving spring Screw tap reset is obtained, the diameter of transmission teeth portion is more than positioning bar portion, and teeth portion and the cooperation of tapping mould are driven so as to realize to utilize Spring is carried out in vertical direction spacing.

As an improvement, described screw tap is step-like, blocking part, blocking part are provided between positioning bar portion and transmission teeth portion Diameter be more than positioning gauge diameter.By setting blocking part on screw tap, it is possible to achieve coordinate in screw tap and tapping mould and carry out When tapping is processed, positioning bar portion is extend into positioning hole, is coordinated using blocking part and tapping mould to back-moving spring in vertical side It is spacing to carrying out, it will not produce and interfere because of the rotation of driving cog between back-moving spring and transmission teeth portion.

Drill bit and screw tap of the present invention are installed to corresponding Multi-station drilling device or tapping device, it is possible to achieve pitch of holes is small Still complete porous disposable drilling shaping or tapping shaping simultaneously when drill chuck, realize that any pitch of holes can be once Property drilling shaping or tapping shaping.Screw thread hole position accurate positioning in drilling and tapping of processing simultaneously.

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.Using the drill bit and the small pitch of holes drilling equipment and tapping device of screw tap of the present invention, in structure On can using toothed belt transmission mode drive the present invention multiple drill bits or multiple screw taps so that on the one hand have transmission power Steadily, the good advantage of multiple drill bit and screw tap work synchronisms, on the other hand need not use drill chuck, realize any pitch of holes Multiple hole positions while process, multiple hole positions of particularly small pitch of holes carry out drilling and tapping processing simultaneously, with big Width improves the advantage of production efficiency.

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 schematic diagram of Multi-station drilling device.

Fig. 3 is Fig. 2 cross section view.

Fig. 4 is the enlarged diagram in A portions in Fig. 2.

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 schematic diagram of Multi-station drilling device.

Fig. 7 is Fig. 6 cross section view.

Fig. 8 is the enlarged diagram in B portions in Fig. 6.

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 schematic diagram of Multi-station drilling device.

Figure 11 is Fig. 3 cross section view.

Figure 12 is the enlarged diagram in C portions in Figure 10.

Figure 13 is the schematic perspective view of the drill bit of embodiment 4.

Figure 14 is that the drill bit of embodiment 4 is arranged on the schematic diagram of Multi-station drilling device.

Figure 15 is Figure 14 cross section view.

Figure 16 is the enlarged diagram in D portions in Figure 14.

Figure 17 is the schematic perspective view of the drill bit of embodiment 5.

Figure 18 is that the drill bit of embodiment 5 is arranged on the schematic diagram of Multi-station drilling device.

Figure 19 is Figure 18 cross section view.

Figure 20 is the enlarged diagram in E portions in Figure 18.

Figure 21 is the schematic perspective view of the drill bit of embodiment 6.

Figure 22 is that the drill bit of embodiment 6 is arranged on the schematic diagram of Multi-station drilling device.

Figure 23 is Figure 22 cross section view.

Figure 24 is the enlarged diagram in F portions in Figure 23.

Figure 25 is the schematic perspective view of the drill bit of embodiment 7.

Figure 26 is that the drill bit of embodiment 7 is arranged on the schematic diagram of Multi-station drilling device.

Figure 27 is Figure 26 cross section view.

Figure 28 is the enlarged diagram in G portions in Figure 26.

Figure 29 is the schematic perspective view of the drill bit of embodiment 8.

Figure 30 is that the drill bit of embodiment 8 is arranged on the schematic diagram of Multi-station drilling device.

Figure 31 is Figure 30 cross section view.

Figure 32 is the enlarged diagram in H portions in Figure 30.

Figure 33 is the schematic perspective view of the drill bit of embodiment 9.

Figure 34 is that the drill bit of embodiment 9 is arranged on the schematic diagram of Multi-station drilling device.

Figure 35 is Figure 34 cross section view.

Figure 36 is the enlarged diagram in I portions in Figure 35.

Figure 37 is the schematic perspective view of the drill bit of embodiment 10.

Figure 38 is that the drill bit of embodiment 10 is arranged on the schematic diagram of Multi-station drilling device.

Figure 39 is Figure 38 cross section view.

Figure 40 is the enlarged diagram in J portions in Figure 39.

Figure 41 is the schematic perspective view of the drill bit of embodiment 11.

Figure 42 is that the drill bit of embodiment 11 is arranged on the schematic diagram of Multi-station drilling device.

Figure 43 is Figure 42 cross section view.

Figure 44 is the enlarged diagram in K portions in Figure 42.

Figure 45 is the schematic perspective view of the drill bit of embodiment 12.

Figure 46 is that the drill bit of embodiment 12 is arranged on the schematic diagram of Multi-station drilling device.

Figure 47 is Figure 46 cross section view.

Figure 48 is the enlarged diagram in L portions in Figure 47.

Specific embodiment：

Embodiment 1

As shown in Figure 1,2,3, 4, a kind of drill bit 100 is included positioned at sophisticated cutting edge portion 101, positioning bar portion 102, transmission Gear 103, tip contact facial planes 104 are constituted.Described drill bit 100 is step-like, and the diameter of travelling gear 103 is more than positioning The diameter of bar portion 102.Positioned at cutting tip of the tip cutting edge portion 100 as boring work；When drill bit positioning bar portion 102 works It is engaged with the positioning hole 409 on hole drilling die, drill bit can be made accurately to navigate to drilling position.Drill bit 102 utilizes driving cog Partly 103 it is attached with the gear in actuating unit, timing belt etc., transmitting rotary power so that drill bit 100 is rotated, cutting Blade 101 can carry out machining in circumferencial direction.Drill bit 100 is using in the contact facial planes 104 and drilling equipment on top Head part contact, on the one hand vertical direction position, on the other hand receive the down force of head part so that drill bit can be downward Move 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 411st, drilling pressing mold locating dowel 412；Described drilling lower template 411 is arranged on workbench 304；Brill is installed on drilling equipment First 100；In the insertion drilling cope plate of bit cutting blade 101 positioning hole 409, determined by positioning bar portion 102 and drilling cope plate The cooperation in position hole 409 is positioned on drilling cope plate 406.Drill bit is provided between drill bit 100 and drilling cope plate 406 to reset Spring 410；Described drilling synchronous belt drive mechanism includes the drilling timing belt driving wheel being arranged in drilling power rotating shaft 402 403, more than two drilling synchronous pulleys 404, drilling timing belt 413, drilling tensioning wheel 405；Described drilling timing belt drives Driving wheel 403 is arranged on drilling cope plate 406, and drilling synchronous pulley 404 is arranged on drilling cope plate 406 by jackshaft 414, The tensioning wheel 405 that drills is arranged on drilling cope plate 406 by installation axle, and it is synchronous that described drilling timing belt 413 bypasses drilling Band driving wheel 403, drilling synchronous pulley 404, the drilling formation drilling toothed belt transmission of tensioning wheel 405；Described drilling timing belt Take turns 404 coaxial integrated provided with the first travelling gear 407 of drilling；Described the first travelling gear of drilling 407 and the brill on drill bit Hole travelling gear 103 is engaged；The thickness of drilling travelling gear 103 on drill bit 100 is more than the first transmission gear 407 of drilling Thickness.Drilling timing belt driving wheel 403 rotates, and drives the drilling first on drilling synchronous pulley 404, drilling synchronous pulley 404 The concomitant rotation of travelling gear 407, drives the drilling travelling gear 103 on drill bit 100 to rotate, drill bit 100 rotates；Due on drill bit Drilling travelling gear 103 thickness be more than drilling the first transmission gear 407 thickness；Pushed in drill bit pressing plate so that drill bit 100 when moving downward, and relative displacement is vertically occurring for the travelling gear 407 of travelling gear 103 and first, but still keeps engagement to pass It is dynamic.The boring positioning hole of the overcoat drill hole location column spring 415 of drilling pressing mold locating dowel 412 through drilling cope plate is suspended on drilling On pressing plate 401；Drill hole location column spring 415 is arranged between drilling pressing plate 401 and drilling cope plate 406；In drilling lower template 406, which are provided with the drilling lower template corresponding with drilling pressing mold locating dowel 412, positions post holes 416；Pressing plate 401 drill provided with rolling The abutting contact of tip contact plane 104 of pearl 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 part one on drilling cope plate 406 Rise and move downward；The pressing mold locating dowel 412 that drills enters the positioning post holes 416 of drilling lower template 411, and drilling cope plate 406 is with boring Hole lower template 411 contacts matched moulds, and workpiece is compressed drilling lower template 411 simultaneously and fixed by drilling cope plate 406, with drill bit 100 Drilling operation position on the corresponding correspondence of boring positioning hole 409 workpiece；Drilling power rotating shaft 402, which is rotated, drives drilling timing belt to drive Driving wheel 403 rotates, and drives the drilling gyration of timing belt 413, so that drilling synchronous pulley 404 is driven, on drilling synchronous pulley The concomitant rotation of the first travelling gear of drilling 407, drive drilling travelling gear 103 rotate, drill bit 100 rotates；Drill pressing plate 401 Continue to move downward, drill hole location column spring 415 is compressed, the counter bored holes pressing plate of drilling pressing mold locating dowel 412 is moved upwards；Bore Pore pressure plate 401 pushes the tip contact plane 104 of drill bit 100 provided with ball screw 417 so that drill bit 100 is moved down；Bore First 100 positioning bar portion 102 is moved downward along drilling cope plate boring positioning hole 409, and drill bit back-moving spring 410 is compressed；With Further pushing for drilling pressing plate 401, the Continued downward motion of drill bit 100, drill bit 100 passes the boring positioning of drilling cope plate Hole 409, starts to cut workpiece to be added and is drilled, and after the pressing plate 401 that drills presses to precalculated position, drill bit 100 reaches predetermined Drilling depth, complete 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 100 to rise, the hole machined position of workpiece to be added is left in bit cutting portion 101, Return 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 drilling The counter bored holes pressing plate 401 of cope plate 406 moves downward return；Drilling power axle 402 stops operating, and drill bit 100 stops operating；Bore Pore pressure 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, Synchronous pulley 1031, tip contact facial planes 1041 are constituted；Described drill bit 1001 is step-like, the diameter of synchronous pulley 1031 More than the diameter of positioning bar portion 1021；Drill bit 1001 is Split type structure, described synchronous pulley 1031 and positioning bar portion 1021 it Between be interference fitted connection.Positioned at cutting tip of the tip cutting edge portion 1001 as boring work, cutwork is completed；Drill bit is determined Position bar portion 1021 is engaged when working with the positioning hole 409 on hole drilling die, and drill bit 1001 can be made accurately to navigate to drilling Position.Drill bit 1001 can be engaged by synchronous pulley 1031 with the timing belt in actuating unit, complete power transmission so that drill bit 1001 rotate, and cutting edge portion 1011 can carry out machining in circumferencial direction.Drill bit 1001 utilizes the contact facial planes on top 1041 contact with the head part in drilling equipment, on the one hand vertical direction position, on the other hand receive downward force application part to Lower active force 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 411st, drilling pressing mold locating dowel 412；Described drilling lower template 411 is arranged on workbench 304；Brill is installed on drilling equipment First 1001；In the insertion drilling cope plate of bit cutting blade 1011 positioning hole 409, by positioning bar portion 1021 and drilling cope plate The cooperation of positioning hole 409 is positioned on drilling cope plate 406；Drill bit is provided between drill bit 1001 and drilling cope plate 406 Back-moving spring 410；The drilling timing belt that described drilling synchronous belt drive mechanism includes being arranged in drilling power rotating shaft 402 drives Driving wheel 403, drilling timing belt 413, drilling tensioning wheel 405, the upper drilling synchronous pulley 1031 on two or more drill bit 1001； Described drilling timing belt driving wheel 403, drilling tensioning wheel 405, drill bit 1001 are all arranged on drilling pressing plate 401, and drilling is same Step band 413 bypasses drilling timing belt driving wheel 403, synchronous pulley 1031, the drilling formation drilling toothed belt transmission of tensioning wheel 405. Drilling timing belt driving wheel 403 rotates, and drives drilling synchronous pulley 404, drives the synchronous pulley 1031 on drill bit 1001, drives Drill bit 1001 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 406 that drills is provided with the drilling lower template corresponding with drilling pressing mold locating dowel 412 and positions post holes 416；Drill pressing plate 401 abutting contacts of tip contact facial planes 1041 provided with ball screw 417 and drill bit 1001.

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 412 that drills enters the positioning post holes 416 of drilling lower template 411, and drilling cope plate 406 is with boring Hole lower template 411 contacts matched moulds, and workpiece is compressed drilling lower template 411 simultaneously and fixed by drilling cope plate 406；With drill bit 1001 Drilling position on the corresponding correspondence of boring positioning hole 409 workpiece；Drilling power rotating shaft 402, which is rotated, drives drilling timing belt driving wheel 403 rotations, drive the drilling gyration of timing belt 413, so as to drive synchronous pulley 1031, then drive drill bit 1001 to rotate； Bit cutting blade 1011 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 is moved upwards；Drilling pressing plate 401 pushes drill bit provided with ball screw 417 1001 tip contact plane 104 so that drill bit 1001 is moved down；The positioning bar portion 102 of drill bit 1001 along drilling cope plate Boring positioning hole 409 is moved downward, and drill bit back-moving spring 410 is compressed；With further pushing for drilling pressing plate 401, drill bit 1001 Continued downward motions, drill bit 1001 passes the boring positioning hole 409 of drilling cope plate, starts to cut workpiece to be added and is bored Hole, after the pressing plate 401 that drills presses to precalculated position, drill bit 1001 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, the resilience of drill bit back-moving spring 410, band Dynamic drill bit 1001 rises, and the hole machined position of workpiece to be added is left in bit cutting portion 1011, returns to drilling cope plate boring positioning hole In 409；The pressing plate 401 that drills persistently rises, the resilience of locating dowel spring 415, drives the drilling counter bored holes pressing plate 401 of cope plate 406 Move downward return；Drilling power axle 402 stops operating, and drill bit 1001 stops operating；Drilling pressing plate 401 continues to rise back to just Beginning position, complete 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, travelling gear 1032, the rotary shaft 1042 of top protrusion, blocking part 1052 are constituted；Described drill bit 1002 to be step-like, The diameter of blocking part 1052 is more than the diameter of positioning bar portion 1022.As different from Example 1, drill bit 1002 on top by setting The rotary shaft 1042 and the rotary shaft hole on downward force application part for having protrusion are pivotally connected, so as to transmit downward pressure so that drill bit Move downward, while the also rotation of without prejudice to drill bit；Drill bit 1002 is bored using blocking part 1052 to coordinate to install with hole drilling die Hole back-moving spring 410.It will not be produced between drilling back-moving spring 410 and travelling gear 1032 because of the rotation of travelling gear mutually Interference.

As shown in Figure 10,11,12, a kind of drilling equipment 400 offers pivoted hole 420 on drilling pressing plate 401, installed In rotary shaft 1042 of the top provided with protrusion of the drill bit 1002 of drilling equipment, rotary shaft 1042 and rotary shaft hole 420 are pivotally connected.Together Tape drive mechanism is walked to be arranged on drilling pressing plate 401, when timing belt driving wheel drives drill bit 1002 by timing belt, rotary shaft 1042 rotate in rotary shaft hole 420, keep the stability of drill bit 1002.When the pressing plate 401 that drills is moved downward, drill pressing plate 401, which directly push drill bit 1002, moves downward.

Embodiment 4

As shown in Figure 13,14,15,16, a kind of drill bit 1003 includes cutting edge portion 1013, the positioning bar portion positioned at tip 1023rd, synchronous pulley 1033, the rotary shaft 1043 of top protrusion, blocking part 1053 are constituted；Described drill bit 1003 to be step-like, The diameter of blocking part 1053 is more than the diameter of positioning bar portion 1023.As different from Example 2, drill bit 1003 on top by setting The rotary shaft 1043 and the rotary shaft hole on downward force application part for having protrusion are pivotally connected, so that the downward pressure of transmission so that bore Head is moved downward, while the also rotation of without prejudice to drill bit；Drill bit 1003 is coordinated using using blocking part 1053 with hole drilling die Back-moving spring 410 is installed, will not be produced between back-moving spring 410 and synchronous pulley 1033 because of the rotation of travelling gear mutually dry Relate to.

As shown in Figure 14,15,16, a kind of drilling equipment 400 offers pivoted hole 420 on drilling pressing plate 401, installed In rotary shaft 1043 of the top provided with protrusion of the drill bit 1003 of drilling equipment, rotary shaft 1043 and rotary shaft hole 420 are pivotally connected.Together Tape drive mechanism is walked to be arranged on drilling pressing plate 401, when timing belt driving wheel drives drill bit 1003 by timing belt, rotary shaft 1043 rotate in rotary shaft hole 420, keep the stability of drill bit 1003.When the pressing plate 401 that drills is moved downward, drill pressing plate 401, which directly push drill bit 1003, moves downward.Reduced between rotary shaft 1003 and rotary shaft hole 420 provided with bearing shell (not shown) Friction.

Embodiment 5

As shown in figure 17, a kind of drill bit 1005 is included positioned at sophisticated cutting edge portion 1015, positioning bar portion 1025, timing belt Wheel 1035, contact concave surface 1045 are constituted.

As shown in 18,19,20 figures, a kind of Multi-station drilling device 400 includes drilling pressing plate 401, drilling rotary power and turned Axle 402, drilling synchronous belt drive mechanism, drill bit back-moving spring 410, the drilling cope plate 406 provided with positioning hole 409, for putting Put drilling lower template 411, the drilling pressing mold locating dowel 412 of workpiece to be added；Described drilling lower template 411 is arranged on workbench On 304；Drill bit 1005 on Multi-station drilling device 400 includes cutting edge portion 1015, the positioning bar portion positioned at tip 1025th, synchronous pulley 1035, tip contact portion concave surface 1045 are constituted；The described insertion drilling cope plate of bit cutting blade 1015 In positioning hole 409, positioned by positioning bar portion 1025 with drilling cope plate positioning hole 409 on drilling cope plate 406；In drill bit Drill bit back-moving spring 410 is provided between 1005 and drilling cope plate 406；Described drilling synchronous belt drive mechanism includes installing Drilling timing belt driving wheel 403 in drilling power rotating shaft, drilling timing belt 413, drilling tensioning wheel 405, it is arranged on drill bit Synchronous pulley 1035 on 1001；Described drilling timing belt driving wheel 403, drilling tensioning wheel 405 are all arranged on drilling pressing plate On 401, described drilling timing belt 413 bypasses drilling timing belt driving wheel 403, the synchronous pulley 1035 on drill bit 1005, bored The formation drilling toothed belt transmission of hole tensioning wheel 405.Drilling timing belt driving wheel 403 rotates, and drives the timing belt on drill bit 1005 Wheel 1035, drives drill bit 1005 to rotate；The pressing mold locating dowel 412 that drills overcoat drill hole location column spring 415, through drilling cope plate Boring positioning hole be suspended on drilling pressing plate 401 on；Drill hole location column spring 415 is arranged on drilling pressing plate 401 and the upper mould of drilling Between plate 406；The drilling lower template corresponding with drilling pressing mold locating dowel 412 is provided with drilling lower template 406 and positions post holes 416；Provided with adjustment screw 427 on drilling pressing plate 401, ball is provided with the tip contact concave surface 1045 of drill bit 1005 10451, adjust screw 427 and the abutting contact of ball 10451.

Multi-station drilling device method of work moves downward for drilling pressing plate 401, the drilling on drilling pressing plate 401 Pressing mold locating dowel 412, drilling cope plate 406 and each part on drilling cope plate 406 are moved downwardly together；Drilling Pressing mold locating dowel 412 enters the positioning post holes 416 of drilling lower template 411, and drilling cope plate 406 is contacted with drilling lower template 411 Workpiece is compressed drilling lower template 411 simultaneously and fixed by matched moulds, drilling cope plate 406；It is corresponding with drill bit on drilling cope plate 406 Boring positioning hole 409 correspondence workpiece on drilling position；Drilling power rotating shaft 402, which is rotated, drives drilling timing belt driving wheel 403 Rotation, drives the drilling gyration of timing belt 413, so as to drive drilling tensioning wheel 405, the synchronous pulley on drill bit 1005 1035th, drill bit 1005 rotates；Bit cutting blade 1015 has cutting function；Drilling pressing plate 401 continues to move downward, and drilling is fixed Position post 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 Screw 427 pushes ball 10451, then descends and the tip contact concave surface 1045 of drill bit 1005 so that drill bit 1005 is moved down； With further pushing for drilling pressing plate 401, the Continued downward motion of drill bit 1005, drill bit 1005 passes the drilling of drilling cope plate Positioning hole 409, starts to cut workpiece to be added and is drilled, and after the pressing plate 401 that drills presses to precalculated position, drill bit 1005 is reached Predetermined drilling depth, completes predetermined boring action；Hereafter, drilling pressing plate 401 stops declining, and switchs to rise, as drilling is pressed Plate 401 rises, and drives drill bit 1005 to rise, and drilling pressing plate 401 continues to rise back to initial position, and drilling power axle 402 stops Rotate, drill bit 1005, which stops operating, completes boring work.

Embodiment 6

As shown in figure 21, a kind of drill bit 1006 is included positioned at sophisticated cutting edge portion 1016, positioning bar portion 1026, driving cog Wheel 1036, contact concave surface 1046 are constituted.

As shown in 22,23,24 figures, a kind of Multi-station drilling device 400 includes drilling pressing plate 401, drilling rotary power and turned Axle 402, drill synchronous belt drive mechanism, drill bit pressing plate 401, drill bit back-moving spring 410, mould in the drilling provided with positioning hole 409 Plate 406, the drilling lower template 411 for placing workpiece to be added, drilling pressing mold locating dowel 412；Described drilling lower template 411 is set Put on workbench 304；Drill bit 1006 on Multi-station drilling device 400 includes the cutting edge portion positioned at tip 1016th, positioning bar portion 1026, travelling gear 1036, tip contact portion concave surface 1046 are constituted；The insertion of bit cutting blade 1016 is bored In hole cope plate positioning hole 409, positioning bar portion 1026 on the drilling cope plate 406 of cope plate positioning hole 409 that drills by positioning； Drill bit back-moving spring 410 is provided between drill bit 1006 and drilling cope plate 406；Described drilling synchronous belt drive mechanism includes Drilling timing belt driving wheel 403 in drilling power rotating shaft 402, more than two drilling synchronous pulleys 404, drilling are same Walk band 413, drilling tensioning wheel 405；Described drilling timing belt driving wheel 403 is arranged on drilling cope plate 406, and drill timing belt Wheel 404 is arranged on drilling cope plate 406 by jackshaft 414, and drilling tensioning wheel 405 is arranged on drilling cope plate 406, institute The drilling timing belt 413 stated bypasses drilling timing belt driving wheel 403, drilling synchronous pulley 404, the drilling formation brill of tensioning wheel 405 Hole toothed belt transmission；The described top of drilling synchronous pulley 404 is provided with the first travelling gear 407 of drilling；Described drilling first Travelling gear 407 is engaged with drilling travelling gear 1036；The thickness of drilling travelling gear 1036 on drill bit 1006 is more than drilling The thickness of first transmission gear 407.Drilling timing belt driving wheel 403 rotates, and drives drilling synchronous pulley 404, drilling first The concomitant rotation of travelling gear 407, drives the drilling travelling gear 1036 on drill bit 1006, and drill bit 1006 rotates；Due on drill bit Drilling travelling gear 1036 thickness be more than drilling the first transmission gear 407 thickness；Continuing to push in drill bit pressing plate makes Drill bit 1006 when moving downward, relative displacement, but still guarantor are vertically occurring for the travelling gear 407 of travelling gear 1036 and first Hold engaged transmission.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 to hang Hang on drilling pressing plate 401；Drill hole location column spring 415 is arranged between drilling pressing plate 401 and drilling cope plate 406；Boring Hole lower template 406 is provided with the drilling lower template corresponding with drilling pressing mold locating dowel 412 and positions post holes 416；In drilling pressing plate 401, provided with adjustment screw 427, are provided with ball 10461 on the tip contact concave surface 1046 of drill bit 1006, adjust screw 427 With the abutting contact of ball 10461.

Multi-station drilling device method of work moves downward for drilling pressing plate 401, the drilling on drilling pressing plate 401 Pressing mold locating dowel 412, drilling cope plate 406 and each part on drilling cope plate 406 are moved downwardly together；Drilling Pressing mold locating dowel 412 enters the positioning post holes 416 of drilling lower template 411, and drilling cope plate 406 is contacted with drilling lower template 411 Workpiece is compressed drilling lower template 411 simultaneously and fixed by matched moulds, drilling cope plate 406；It is corresponding with drill bit on drilling cope plate 406 Boring positioning hole 409 correspondence workpiece on drilling position；Described drilling synchronous belt drive mechanism includes being arranged on drilling power Drilling timing belt driving wheel 403 in rotating shaft 402, more than two drilling synchronous pulleys 404, drilling timing belt 413, drilling Bearing up pulley 405；Described drilling timing belt driving wheel 403 is arranged on drilling cope plate 406, and drilling synchronous pulley 404 passes through centre Axle 414 is arranged on drilling cope plate 406, and drilling tensioning wheel 405 is arranged on drilling cope plate 406, and described drilling is synchronous Band 413 bypasses drilling timing belt driving wheel 403, drilling synchronous pulley 404, the drilling formation drilling toothed belt transmission of tensioning wheel 405； The described top of drilling synchronous pulley 404 integration is provided with the first travelling gear 407 of drilling；The described travelling gear of drilling first 407 engage with drilling travelling gear 1036；The thickness of drilling travelling gear 1036 is more than the thickness of the first transmission gear 407 of drilling Degree.Drilling timing belt driving wheel 403 rotates, and drives the driving cog of drilling first on drilling synchronous pulley 404, drilling synchronous pulley 407 concomitant rotations are taken turns, the drilling travelling gear 1036 on drill bit 1006 is driven, drill bit 1006 rotates；Due to drilling travelling gear 1036 thickness is more than the thickness of the first transmission gear 407 of drilling；Continue to push in drill bit pressing plate so that drill bit 1006 is downward During motion, relative displacement is vertically occurring for the travelling gear 407 of travelling gear 1036 and first, but still keeps engaged transmission.Bore Pore pressure 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 to Upper motion；Drilling pressing plate 401 pushes ball 10461 provided with adjustment screw 427, then lower and the tip contact of drill bit 1006 is recessed 1046 so that drill bit 1006 is moved down；With further pushing for drilling pressing plate 401, the Continued downward motion of drill bit 1006 is bored First 1006 pass the boring positioning hole 409 of drilling cope plate, start to cut workpiece to be added and are drilled, when under the pressing plate 401 that drills It is depressed into behind precalculated position, drill bit 1006 reaches predetermined drilling depth, completes predetermined boring action；Hereafter, drilling pressing plate 401 stops Only decline, switch to rise, as drilling pressing plate 401 rises, drive drill bit 1006 to rise, drilling pressing plate 401 continues to rise back to Initial position, drilling power axle 402 stops operating, and drill bit 1006, which stops operating, completes boring work.

Embodiment 7

As shown in Figure 25,26,27,28, a kind of screw tap 200 is included positioned at sophisticated screw forming blade 201, positioning bar portion 202nd, travelling gear 203, tip contact facial planes 204 are constituted.Described screw tap 200 is step-like, the diameter of travelling gear 203 More than the diameter of positioning bar portion 202.The cutting worked positioned at sophisticated screw forming blade 201 as tapping or extruding work department； Screw tap positioning bar portion 202 is engaged when working with the positioning hole on tapping mould, by positioning bar portion 202 and tapping mould The cooperation of positioning hole, makes screw tap accurately navigate to tapping position.Screw tap 200 is using in driving cog part 203 and actuating unit Gear, timing belt etc. are attached, and transmit screw tap rotary power so that screw tap 200 is rotated, and screw forming blade 201 can be Circumferencial direction is cut or extrusion process.Screw tap 200 is connect using the contact facial planes 204 on top with the head part in tapping device Touch, on the one hand positioned in vertical direction, on the other hand receive the down force of head part so that screw tap can move downward progress The cutting or extrusion process of 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 511st, tapping pressing mold locating dowel 512；Described tapping lower template 511 is arranged on workbench 304；Silk is installed on tapping device Cone 200；In the screw-tap threaded shaping insertion tapping cope plate of blade 201 positioning hole 509, by positioning mould in bar portion 202 and tapping The cooperation of plate positioning hole 509 is positioned on tapping cope plate 506；Screw tap is provided between screw tap 200 and tapping cope plate 506 Back-moving spring 510；The tapping timing belt that described tapping synchronous belt drive mechanism includes being arranged on tapping power shaft 502 drives Driving wheel 503, more than two tapping synchronous pulleys 504, tapping timing belt 513, tapping tensioning wheel 505；Described tapping is synchronous Band driving wheel 503 is arranged on tapping cope plate 506, and tapping synchronous pulley 504 is arranged on mould in tapping by tapping jackshaft 514 On plate 506, tapping tensioning wheel 505 is arranged on tapping cope plate 506 by installation axle, and described tapping timing belt 513 is bypassed Tapping timing belt driving wheel 503, tapping synchronous pulley 504, the formation tapping toothed belt transmission of tapping tensioning wheel 505；Described attacks The top of tooth synchronous pulley 504 is provided with the first travelling gear of tapping 507；On described the first travelling gear of tapping 507 and screw tap Tapping travelling gear 203 is engaged；The thickness of tapping travelling gear 202 on screw tap 200 is more than the first transmission gear of tapping 507 Thickness.Tapping timing belt driving wheel 503 rotates, and drives the tapping first on tapping synchronous pulley 504, tapping synchronous pulley to pass The concomitant rotation of moving gear 507, drives tapping travelling gear 203 to rotate, and drives screw tap 200 to rotate；Because the tapping on screw tap is passed The thickness of moving gear 203 is more than the thickness of the first transmission gear of tapping 507；Continue to push so that screw tap 200 in screw tap pressing plate When moving downward, relative displacement is vertically occurring for the travelling gear 507 of travelling gear 203 and first, but still keeps engaged transmission. The overcoat tapping locating dowel spring 515 of tapping pressing mold locating dowel 512, the tapping positioning hole through tapping cope plate is suspended on tapping pressure On plate 501；Tapping locating dowel spring 515 is arranged between tapping pressing plate 501 and tapping cope plate 506；In tapping lower template 506 Provided with the tapping lower template positioning post holes 516 corresponding with tapping pressing mold locating dowel 512；Tapping pressing plate 501 is provided with ball The abutting contact of tip contact plane 204 of 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 cope plate 506 Rise and move downward；Tapping pressing mold locating dowel 512 enters the positioning post holes 516 of tapping lower template 511, and tapping cope plate 506 is with attacking Tooth lower template 511 contacts matched moulds, and workpiece is compressed tapping lower template 511 simultaneously and fixed by tapping cope plate 506；With screw tap 200 Tapping position on the corresponding correspondence of tapping positioning hole 509 workpiece；Tapping power shaft 502, which is rotated, drives tapping timing belt driving wheel 503 rotations, drive the gyration of tapping timing belt 513, so that tapping synchronous pulley 504 is driven, attacking on tapping synchronous pulley The concomitant rotation of the first travelling gear of tooth 507, drives the tapping travelling gear 203 on screw tap 200, and screw tap 200 rotates；Screw tap blade 201 have cutting or squeeze function；Tapping pressing plate 501 continues to move downward, and tapping locating dowel spring 515 is compressed, tapping pressure Mould locating dowel 512 is moved upwards with respect to tapping pressing plate；Tapping pressing plate 501 pushes the top of screw tap 200 provided with ball screw 517 Contact plane 204 so that screw tap 200 is moved down；The positioning bar portion 202 of screw tap 200 is along tapping cope plate tapping positioning hole 509 Move downward, screw tap back-moving spring 510 is compressed；With further pushing for tapping pressing plate 501, screw tap 200 continues downward fortune Dynamic, screw tap 200 passes the tapping positioning hole 509 of tapping cope plate, starts to cut or extrudes workpiece progress tapping to be added, works as tapping Pressing plate 501 is pressed to behind precalculated position, and screw tap 200 reaches predetermined tapping depth, completes predetermined tapping action；Tapping pressing plate 501 switch to rise, while tapping line shaft 502 is rotated backward, drive the reversed turning motion of tapping timing belt 513, tapping is synchronous Band 513 is reversely rear to drive tapping synchronous pulley 504 to rotate backward, and drives screw tap 200 to rotate backward；Screw tap 200 rotate backward from Reversely exited in screwed hole；As pressing plate 501 rises, the resilience of screw tap back-moving spring 510, while screw tap 200 is gradually backed out screw thread Hole, screw forming blade 201 is left after the screwed hole of workpiece to be added, is returned in cope plate positioning hole 509；Tapping pressing plate 501 is held Continuous to rise, the resilience of locating dowel spring 515 drives the relative tapping pressing plate 501 of tapping cope plate 506 to move downward return；Tapping is moved Power axle 502 stops operating, and screw tap 200 stops operating；Tapping pressing plate 501 continues to rise back to initial position, completes tapping work.

Embodiment 8

As shown in Figure 29,30,31,32, a kind of screw tap 2001 is included positioned at sophisticated screw forming blade 2011, locating rod Portion 2021, synchronous pulley 2031, tip contact facial planes 2051 are constituted；Described screw tap 2001 is step-like, synchronous pulley 2031 diameter is more than the diameter of positioning bar portion 2021；Screw tap 2001 is Split type structure, described synchronous pulley 2031 and positioning Connection is interference fitted between bar portion 2021.The cutting worked positioned at sophisticated screw forming blade 2001 as tapping or press section Point, complete cutting or extruding work；Screw tap positioning bar portion 202 is engaged when working with the positioning hole on tapping mould, by fixed Position bar portion 2021 and the cooperation of the positioning hole on tapping mould, can make screw tap 2001 accurately navigate to tapping position.Screw tap 2001 can be engaged by synchronous pulley 2031 with the timing belt in actuating unit so that screw tap 2001 is rotated, screw forming blade 2011 can be cut or extrusion process in circumferencial direction.Screw tap 2001 is filled using the contact facial planes 2051 on top with tapping Head part contact in putting, on the one hand positions in vertical direction, on the other hand receives the down force of head part so that screw tap 2001 The cutting or extrusion process for carrying out tapping can be moved downward.

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 511st, tapping pressing mold locating dowel 512；Described tapping lower template 511 is arranged on workbench 304；Silk is installed on tapping device Cone 2001；In the screw-tap threaded shaping insertion tapping cope plate of blade 2011 positioning hole 509, by positioning in bar portion 2021 and tapping The cooperation of die plate locating holes 509 is positioned on tapping cope plate 506；It is provided between screw tap 2010 and tapping cope plate 506 Screw tap back-moving spring 510；The tapping that described tapping synchronous belt drive mechanism includes being arranged on tapping power shaft 502 is synchronous Band driving wheel 503, tapping timing belt 513, tapping tensioning wheel 505, the upper tapping synchronous pulley on two or more screw tap 2001 2031；Described tapping timing belt driving wheel 503, tapping tensioning wheel 505, screw tap 2001 are all arranged on tapping pressing plate 501, are attacked Tooth timing belt 513 bypasses tapping timing belt driving wheel 503, synchronous pulley 2031, the formation tapping timing belt of tapping tensioning wheel 505 and passed It is dynamic.Tapping timing belt driving wheel 503 rotates, and drives tapping synchronous pulley 504, drives the synchronous pulley 2031 on screw tap 2001, Screw tap 2001 is driven to rotate.The tapping of the overcoat tapping locating dowel spring 515 of tapping pressing mold locating dowel 512 through tapping cope plate is determined Position 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 positioning post holes 516 corresponding with tapping pressing mold locating dowel 512 in tapping lower template 506；Tapping Tip contact facial planes 2051 abutting contact of the pressing plate 501 provided with ball screw 517 and screw tap 2001.

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 511, and tapping cope plate 506 is with attacking Tooth lower template 511 contacts matched moulds, and workpiece is compressed tapping lower template 511 simultaneously and fixed by tapping cope plate 506；Tapping cope plate Tapping position on 506 on the corresponding workpiece of tapping positioning hole 509 corresponding with screw tap；Tapping power shaft 502, which is rotated, drives tapping Timing belt driving wheel 503 rotates, and drives the gyration of tapping timing belt 513, so as to drive synchronous pulley 2031, then drives silk Cone 2001 rotates；Screw-tap threaded shaping blade 2011 has cutting or squeeze function；Tapping pressing plate 501 continues to move downward, and attacks Tooth locating dowel spring 515 is compressed, and tapping pressing mold locating dowel 512 is moved upwards with respect to tapping pressing plate；Tapping pressing plate 501 is provided with Ball screw 517 pushes the tip contact plane 2051 of screw tap 2001 so that screw tap 2001 is moved down；The positioning of screw tap 2001 Bar portion 202 is 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, and the Continued downward motion of screw tap 2001, screw tap 2001 passes the tapping positioning hole 509 of tapping cope plate, open Begin to cut or extrude workpiece progress tapping to be added, after tapping pressing plate 501 presses to precalculated position, screw tap 2001 reaches predetermined Tapping depth, completes predetermined tapping action；Tapping pressing plate 501 switchs to rise, while tapping line shaft 502 is rotated backward, drives The reversed turning of tapping timing belt 513 is moved, and tapping timing belt 513 is reversely rear to drive tapping synchronous pulley 504 to rotate backward, and drives Screw tap 2001 is rotated backward；Screw tap 2001 is rotated backward reversely to be exited from screwed hole；As pressing plate 501 rises, screw tap resets The resilience of spring 510, while screw tap 2001 is gradually backed out screwed hole, screw forming blade 2011 leaves the screwed hole of workpiece to be added Afterwards, return in cope plate positioning hole 509；Tapping pressing plate 501 persistently rises, the resilience of locating dowel spring 515, drives tapping cope plate 506 relative tapping pressing plates 501 move downward return；Tapping line shaft 502 stops operating, and screw tap 2001 stops operating；Tapping pressure Plate 501 continues to rise back to initial position, completes tapping work.

Embodiment 9

As shown in Figure 33,34,35,36, a kind of screw tap 2002 is included positioned at sophisticated screw forming blade 2012, locating rod Portion 2022, travelling gear 2032, the rotary shaft 2042 of top protrusion, blocking part 2052 are constituted；Described screw tap 2002 is step Shape, the diameter of blocking part 2052 is more than the diameter of positioning bar portion 2022.As different from Example 7, screw tap 2002 passes through on top Rotary shaft 2033 of the end provided with protrusion is pivotally connected with the rotary shaft hole on downward force application part, so as to transmit downward pressure so that Screw tap 2002 is moved downward, while the also rotation of without prejudice to screw tap 2002；Screw tap 2002 using blocking part 2052 come with tapping mould Tool, which coordinates, installs back-moving spring 510, will not be produced between back-moving spring 510 and travelling gear 2032 because of the rotation of travelling gear Interfere.

As shown in 34,35,36 figures, a kind of tapping device 500 offers pivoted hole 420 on tapping pressing plate 501, installs In rotary shaft 2042 of the top provided with protrusion of the screw tap 2002 of tapping device, rotary shaft 2042 and rotary shaft hole 420 are pivotally connected.Together Tape drive mechanism is walked to be arranged on tapping pressing plate 501, when timing belt driving wheel drives screw tap 2002 by timing belt, rotary shaft 2042 rotate in rotary shaft hole 420, keep the stability of screw tap 2002.When tapping pressing plate 501 is moved downward, tapping pressing plate 501, which directly push screw tap 2002, moves downward.

Embodiment 10

As shown in Figure 37,38,39,40, a kind of screw tap 2003 is included positioned at sophisticated screw forming blade 2013, locating rod Portion 2023, synchronous pulley 2033, the rotary shaft 2043 of top protrusion, blocking part 2053 are constituted；Described screw tap 2003 is step Shape, the diameter of blocking part 2053 is more than the diameter of positioning bar portion 2023.As different from Example 10, screw tap 2003 passes through on top Rotary shaft 2043 of the end provided with protrusion is pivotally connected with the rotary shaft hole on downward force application part, so that the downward pressure of transmission, makes Obtain screw tap to move downward, while the also rotation of without prejudice to screw tap；Screw tap 2003 using using blocking part 2053 come with tapping mould Coordinate and back-moving spring 510 is installed, will not be produced between back-moving spring and synchronous pulley 2033 because of the rotation of travelling gear mutually Interference.

As shown in Figure 38,39,40, a kind of tapping device 500 offers pivoted hole 420 on tapping pressing plate 501, installs In rotary shaft 2043 of the top provided with protrusion of the screw tap 2003 of tapping device, rotary shaft 2043 and rotary shaft hole 420 are pivotally connected.Together Tape drive mechanism is walked to be arranged on tapping pressing plate 501, when timing belt driving wheel drives screw tap 2003 by timing belt, rotary shaft 2043 rotate in rotary shaft hole 420, keep the stability of screw tap 2003.When tapping pressing plate 501 is moved downward, tapping pressing plate 501, which directly push screw tap 2003, moves downward.Reduced between rotary shaft 2043 and rotary shaft hole 420 provided with bearing shell (not shown) Friction.

Embodiment 11

As shown in figure 41, a kind of screw tap 2005 include screw forming blade 2015 positioned at tip, it is positioning bar portion 2025, same Step belt wheel 2035, contact concave surface 2045 are constituted.

As shown in Figure 42,43,44, a kind of multistation tapping device 500 includes tapping pressing plate 501, tapping rotary power and turned Axle 502, tapping synchronous belt drive mechanism, screw tap back-moving spring 510, the tapping cope plate 506 provided with positioning hole 509, for putting Put tapping lower template 511, the tapping pressing mold locating dowel 512 of workpiece to be added；Described tapping lower template 511 is arranged on workbench On 304；Screw tap 2005 on multistation tapping device 500 is included positioned at sophisticated screw forming blade 2015, positioning Bar portion 2025, synchronous pulley 2035, tip contact portion concave surface 2045 are constituted；The described screw-tap threaded shaping insertion of blade 2015 is attacked In tooth cope plate positioning hole 509, positioning bar portion 2025 is positioned by tapping cope plate positioning hole 509 on tapping cope plate 506； Screw tap back-moving spring 510 is provided between screw tap 2005 and tapping cope plate 506；Described tapping synchronous belt drive mechanism bag Include the tapping timing belt driving wheel 503 being arranged on tapping power shaft, tapping timing belt 513, tapping tensioning wheel 505, setting Synchronous pulley 2035 on screw tap 2005；Described tapping timing belt driving wheel 503, tapping tensioning wheel 505 are all arranged on and attacked On tooth pressing plate 501, described tapping timing belt 513 bypasses tapping timing belt driving wheel 503, the synchronous pulley on screw tap 2005 2035th, the formation of tapping tensioning wheel 505 tapping toothed belt transmission.Tapping timing belt driving wheel 503 rotates, and drives on screw tap 2005 Synchronous pulley 2035, drives screw tap 2005 to rotate；The overcoat tapping locating dowel spring 515 of tapping pressing mold locating dowel 512, through tapping The tapping positioning hole of cope plate is suspended on tapping pressing plate 501；Tapping locating dowel spring 515 is arranged on tapping pressing plate 501 with attacking Between tooth cope plate 506；Determine in tapping lower template 506 provided with the tapping lower template corresponding with tapping pressing mold locating dowel 512 Position post holes 516；Provided with adjustment screw 427 on tapping pressing plate 501, provided with rolling on the tip contact concave surface 2045 of screw tap 2005 Pearl 20451, adjustment screw 427 and the abutting contact of ball 20451.

Multistation tapping device method of work is that tapping pressing plate 501 is moved downward, the tapping on tapping pressing plate 501 Pressing mold locating dowel 512, tapping cope plate 506 and each part on tapping cope plate 506 are moved downwardly together；Tapping Pressing mold locating dowel 512 enters the positioning post holes 516 of tapping lower template 511, and tapping cope plate 506 is contacted with tapping lower template 511 Workpiece is compressed tapping lower template 511 simultaneously and fixed by matched moulds, tapping cope plate 506；It is corresponding with screw tap on tapping cope plate 506 Tapping positioning hole 509 correspondence workpiece on tapping position；Tapping power shaft 502, which is rotated, drives tapping timing belt driving wheel 503 Rotation, drives the gyration of tapping timing belt 513, so as to drive tapping tensioning wheel 505, the synchronous pulley on screw tap 2005 2035th, screw tap 2005 rotates；Screw tap form thread blade 2015 has cutting or squeeze function；Tapping pressing plate 501 continues downwards Motion, tapping locating dowel spring 515 is compressed, and tapping pressing mold locating dowel 512 is moved upwards with respect to tapping pressing plate；Tapping pressing plate 501 push ball 20451 provided with adjustment screw 427, then descend and the tip contact concave surface 2045 of screw tap 2005 so that screw tap 2005 move down；With further pushing for tapping pressing plate 501, the Continued downward motion of screw tap 2005, screw tap 2005, which is passed, attacks The tapping positioning hole 509 of tooth cope plate, starts to cut or extrudes workpiece to be added and carry out tapping, when tapping pressing plate 501 press to it is pre- Positioning is postponed, and screw tap 2005 reaches predetermined tapping depth, completes predetermined tapping action；Tapping pressing plate 501 switchs to rise, simultaneously Tapping line shaft 502 is rotated backward, and drives the reversed turning motion of tapping timing belt 513, tapping timing belt 513 reversely attack by rear drive Tooth synchronous pulley 504 is rotated backward, and drives screw tap 2005 to rotate backward；Screw tap 200 is rotated backward reversely to be exited from screwed hole； As pressing plate 501 rises, the resilience of screw tap back-moving spring 510, while screw tap 2005 is gradually backed out screwed hole, screw tap form thread sword Portion 2015 is left after the screwed hole of workpiece to be added, returns in cope plate positioning hole 509；Tapping pressing plate 501 persistently rises, locating dowel 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 2005 stops operating；Tapping pressing plate 501 continues to rise back to initial position, completes tapping work.

Embodiment 12

As shown in figure 45, a kind of screw tap 2006 includes positioned at sophisticated screw forming blade 2016, positioning bar portion 2026, passed Moving gear 2036, contact concave surface 2046 are constituted.

As shown in Figure 46,47,48, a kind of multistation tapping device 500 includes tapping pressing plate 501, tapping rotary power and turned Axle 502, tapping synchronous belt drive mechanism, screw tap pressing plate 501, screw tap back-moving spring 510, mould in the tapping provided with positioning hole 509 Plate 506, the tapping lower template 511 for placing workpiece to be added, tapping pressing mold locating dowel 512；Described tapping lower template 511 is set Put on workbench 304；Screw tap 2006 on multistation tapping device 500 includes the screw forming blade positioned at tip 2016th, positioning bar portion 2026, travelling gear 2036, tip contact portion concave surface 2046 are constituted；Described screw-tap threaded shaping blade In 2016 insertion tapping cope plate positioning holes 509, positioning bar portion 2026 is by tapping cope plate positioning hole 509 in tapping cope plate Positioned on 506；Screw tap back-moving spring 510 is provided between screw tap 2006 and tapping cope plate 506；Described tapping timing belt Transmission mechanism includes the tapping timing belt driving wheel 503 being arranged on tapping power shaft 502, more than two tapping timing belts Wheel 504, tapping timing belt 513, tapping tensioning wheel 505；Described tapping timing belt driving wheel 503 is arranged on tapping cope plate 506, tapping synchronous pulley 504 is arranged on tapping cope plate 506 by tapping jackshaft 514, and tapping tensioning wheel 505 is arranged on On tapping cope plate 506, described tapping timing belt 513 bypasses tapping timing belt driving wheel 503, tapping synchronous pulley 504, attacked The formation tapping toothed belt transmission of tooth tensioning wheel 505；The described top of tapping synchronous pulley 504 is provided with the travelling gear of tapping first 507；Described the first travelling gear of tapping 507 is engaged with the tapping travelling gear 2036 on screw tap；Tapping on screw tap 2006 The thickness of travelling gear 202 is more than the thickness of the first transmission gear of tapping 507 on the synchronous pulley 504 with transmission gear Degree.Tapping timing belt driving wheel 503 rotates, and drives tapping synchronous pulley 504, the concomitant rotation of the first travelling gear of tapping 507, band Tapping travelling gear 2036 on dynamic screw tap 2006, screw tap 2006 rotates；Due to the thickness of the tapping travelling gear 2036 on screw tap Thickness of the degree more than the first transmission gear of tapping 507；When screw tap pressing plate is pushed so that screw tap 2006 is moved downward, driving cog Relative displacement is vertically occurring for the travelling gear 507 of wheel 2036 and first, but still keeps engaged transmission.Tapping pressing mold locating dowel 512 overcoat tapping locating dowel springs 515, the tapping positioning hole through tapping cope plate is suspended on tapping pressing plate 501；Tapping is determined Position post spring 515 is arranged between tapping pressing plate 501 and tapping cope plate 506；It is provided with and tapping pressure in tapping lower template 506 The corresponding tapping lower template positioning post holes 516 of mould locating dowel 512；Provided with adjustment screw 427 on tapping pressing plate 501, in silk The tip contact concave surface 2046 of cone 2006 is provided with ball 20461, adjustment screw 427 and the abutting contact of ball 20461.

Multistation tapping device method of work is that tapping pressing plate 501 is moved downward, the tapping on tapping pressing plate 501 Pressing mold locating dowel 512, tapping cope plate 506 and each part on tapping cope plate 506 are moved downwardly together；Tapping Pressing mold locating dowel 512 enters the positioning post holes 516 of tapping lower template 511, and tapping cope plate 506 is contacted with tapping lower template 511 Workpiece is compressed tapping lower template 511 simultaneously and fixed by matched moulds, tapping cope plate 506；It is corresponding with screw tap on tapping cope plate 506 Tapping positioning hole 509 correspondence workpiece on tapping position；Described tapping synchronous belt drive mechanism includes being arranged on tapping power Tapping timing belt driving wheel 503 in rotating shaft 502, more than two tapping synchronous pulleys 504, tapping timing belt 513, tapping Bearing up pulley 505；Described tapping timing belt driving wheel 503 is arranged on tapping cope plate 506, and tapping synchronous pulley 504 passes through tapping Jackshaft 514 is arranged on tapping cope plate 506, and tapping tensioning wheel 505 is arranged on tapping cope plate 506, described tapping Timing belt 513 bypasses tapping timing belt driving wheel 503, tapping synchronous pulley 504, the formation tapping timing belt of tapping tensioning wheel 505 Transmission；The described top of tapping synchronous pulley 504 is provided with the first travelling gear of tapping 507；The described travelling gear of tapping first 507 engage with the tapping travelling gear 2036 on screw tap；The thickness of tapping travelling gear 2036 on screw tap 2006 is more than tapping The thickness of first transmission gear 507.Tapping timing belt driving wheel 503 rotates, and drives tapping synchronous pulley 504, and tapping is synchronous The concomitant rotation of the first travelling gear of tapping 507 on belt wheel, drives the tapping travelling gear 2036 on screw tap 2006, screw tap 2006 Rotation；Because the thickness of tapping travelling gear 2036 is more than the thickness of the first transmission gear of tapping 507；Continue in screw tap pressing plate When pushing so that screw tap 2006 is moved downward, relative displacement is vertically occurring for the travelling gear 507 of travelling gear 2036 and first, but Remain in that engaged transmission.Tapping pressing plate 501 continues to move downward, and tapping locating dowel spring 515 is compressed, the positioning of tapping pressing mold Post 512 is moved upwards with respect to tapping pressing plate；Tapping pressing plate 501 pushes ball 20461 provided with adjustment screw 427, it is then lower and The tip contact concave surface 2046 of screw tap 2006 so that screw tap 2006 is moved down；With further pushing for tapping pressing plate 501, The Continued downward motion of screw tap 2006, screw tap 2006 passes the tapping positioning hole 509 of tapping cope plate, starts to cut or extrudes to be added Workpiece carries out tapping, after tapping pressing plate 501 presses to precalculated position, and screw tap 2006 reaches predetermined tapping depth, completes pre- Determine tapping action；Tapping pressing plate 501 switchs to rise, while tapping line shaft 502 is rotated backward, drives tapping timing belt 513 anti- To gyration, tapping timing belt 513 is reversely rear to drive tapping synchronous pulley 504 to rotate backward, and drives screw tap 2006 reversely to turn It is dynamic；Screw tap 2006 is rotated backward reversely to be exited from screwed hole；As pressing plate 501 rises, the resilience of screw tap back-moving spring 510, together When screw tap 2006 be gradually backed out screwed hole, screw tap form thread blade 2016 is left after the screwed hole of workpiece to be added, returns to mould In plate positioning hole 509；Tapping pressing plate 501 persistently rises, the resilience of locating dowel spring 515, drives the relative tapping of tapping cope plate 506 Pressing plate 501 moves downward return；Tapping pressing plate 501 continues to rise back to initial position, and tapping line shaft 502 stops operating, silk Cone 2006, which stops operating, completes tapping work.

Claims (10)

1. a kind of drill bit, it is characterised in that including the cutting edge portion positioned at tip, positioning bar portion, transmission teeth portion, tip contact portion Constitute.

2. drill bit as claimed in claim 1, it is characterised in that described transmission teeth portion is times of travelling gear or synchronous pulley One is a kind of.

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

4. drill bit as claimed in claim 1, it is characterised in that described drill bit is Split type structure, described transmission teeth portion is with determining Provided with the structure that is connected and fixed between the bar portion of position, the described structure that is connected and fixed is thread connection or interference fit connection or buckle connection Connect.

5. drill bit as claimed in claim 1, it is characterised in that described drill bit is step-like, the diameter of transmission teeth portion, which is more than, to be determined Position bar portion is provided with blocking part between positioning bar portion and transmission teeth portion, and the diameter of blocking part is more than positioning gauge diameter.

6. a kind of screw tap, it is characterised in that connect including the screw forming blade positioned at tip, positioning bar portion, transmission teeth portion, top Contact portion is constituted.

7. screw tap as claimed in claim 6, it is characterised in that described transmission teeth portion is times of travelling gear or synchronous pulley One is a kind of.

8. screw tap as claimed in claim 6, it is characterised in that the contact site on described screw tap top be top contact plane or For contact concave surface or be protrusion rotary shaft it is any.

9. screw tap as claimed in claim 6, it is characterised in that described screw tap is Split type structure, described transmission teeth portion is with determining Provided with the structure that is connected and fixed between the bar portion of position, the described structure that is connected and fixed is thread connection or interference fit connection or buckle connection Connect.

10. screw tap as claimed in claim 6, it is characterised in that described screw tap is step-like, and the diameter of transmission teeth portion is more than Position bar portion or blocking part is provided between positioning bar portion and transmission teeth portion, the diameter of blocking part is more than positioning gauge diameter.