CN202622084U

CN202622084U - Tapping machine

Info

Publication number: CN202622084U
Application number: CN 201220110362
Authority: CN
Inventors: 周凯文
Original assignee: Liang Lih Machine Co ltd
Current assignee: SHANGHAI LIANG LIH MACHINERY & ELECTRIC Co Ltd
Priority date: 2011-11-18
Filing date: 2012-03-22
Publication date: 2012-12-26
Anticipated expiration: 2022-03-22
Also published as: TWM442208U

Abstract

A tapping machine is provided with a machine body, a main shaft capable of moving up and down is arranged on the machine body, a rotating shaft capable of rotating and synchronously moving is pivoted in the main shaft, and a driving element capable of controlling the rotating speed and the rotating direction is arranged at one end of the machine body; the middle section of the rotating shaft of the main shaft is provided with a shaft sleeve which is pivoted on the machine body; a fixed seat for the upper end of the rotating shaft to penetrate out is arranged above the corresponding main shaft of the machine body; the machine body is internally provided with a cylinder body which is provided with a telescopic rod capable of being driven by an air pressure or oil pressure source to ascend or descend. The utility model discloses easy dismouting to let relevant spare part expose, the maintenance of the tooth machine of being convenient for, renewal part and dismantlement equipment promote the stability and the precision of its action, prolong its life, but quick travel can shorten the moving time of advancing, moving back sword idle stroke, reduces unnecessary wearing and tearing, ensures the precision of its processing.

Description

The tapping machine

Technical field

The utility model relates to a kind of technology of feeding drive of tapping machine, and particularly a kind of idle stroke is the tapping machine of start fast, further has the convenience of dismounting and maintenance.

Background technology

General tapping machine is mainly improved its operating process by drilling machine: at first, make main shaft that the tapping cutter is moved to workpiece top [being commonly referred to as the feed idle stroke].Then, make the rotation of tapping cutter, the fast feeding of waiting a moment carry out tapping action [being commonly referred to as the feed impulse stroke].Afterwards, after accomplishing the predetermined work degree of depth, make the counter-rotating of tapping cutter withdraw from workpiece [being commonly referred to as the withdrawing impulse stroke].At last, make main shaft drive the tapping cutter and return original position [being commonly referred to as the withdrawing idle stroke].

For service life and the saving working time of taking into account the tapping cutter; The general practice of on forward and back cutter idle stroke, adopting fast moving; And moving of forward and back cutter idle stroke mainly is divided into hand feed and auto-feed at present, and wherein hand feed is by the main shaft same moved further of operator through tommy bar worm gear drives tool tooth bar; Then come start worm-gear driven tooth bar as for auto-feed, tapping machine main shaft is descended or rising through driving element.

Though the aforesaid practice all can make forward and back cutter idle stroke fast moving; No matter but hand feed or auto-feed its all need to drive tooth bar through worm gear; Therefore on mechanics limit, its translational speed has its restriction, can't really reach the demand of fast moving; The linking of mechanism and driving simultaneously can cause the assembly abrasion, and has influence on its follow-up service life and machining accuracy.Moreover the primary clustering of existing tapping machine all is arranged at internal body; Belong to closed design; Therefore very inconvenience when assembling, and when maintenance and renewal part demand, have many puzzlements too; Even thereby damage, invisible increases maintenance cost and shortens its service life.

Edge is; This creator is restricted to aforementioned tapping machine translational speed when forward and back cutter idle stroke and is prone to abrasion and reaches not easy-to-dismount problem; Foundation is engaged in the experience of related industry for many years, and actively seeks solution, through the research and development of constantly making great efforts; Finally success create a kind of tapping machine, so as to overcome existing move speed not enough, be prone to abrasion and puzzlement that causes not easy to assemble and inconvenience.

The utility model content

The utility model technical problem underlying to be solved is; Overcome the above-mentioned defective that prior art exists, and a kind of tapping machine is provided, tool is easy-to-dismount; So as to letting relevant spare part expose; And can be convenient to maintenance, renewal part and the disassembly and assembly of tapping machine, with stability and the accuracy that promotes its action, and prolong its service life; But its fast moving can shorten the traveling time of forward and back cutter idle stroke, and reduces unnecessary abrasion, and can guarantee the precision of its processing.

The utility model solves the technical scheme that its technical problem adopted:

A kind of tapping machine is characterized in that it has a body, and this body is provided with the main shaft that an ability one moves up and down, and is pivoted with rotatable and synchronization-moving rotating shaft in this main shaft, and this body one end is provided with a rotation rate-controllable and the driving element that turns to;

The rotating shaft stage casing of this main shaft is provided with the axle sleeve that is hubbed on this body; The end that this main shaft passes this body bottom surface is provided with a fixed link plate; This fixed link plate have two be slidedly arranged on this body front end face boom; These booms machine the upper limit sensor block in the former site of a withdrawing sensor block and a corresponding top a little according to the sensor block that resets, the correspondence that the different operating position is arranged with a corresponding withdrawing transfer point of adjustable height, and are installed with respectively on the body that a pair of the resetting of sensor block that should reset detects element, a pair of withdrawing that should the withdrawing sensor block detects element and a pair of upper limit that should upper limit sensor block detects element;

This body in to should main shaft the top be provided with one supply this rotating shaft upper end to pass holder; This holder is provided with several guide rails of stretching on parallel, moreover these guide rail stage casings are slidingly equipped with a stopper connecting plate, this stopper connecting plate be provided with one supply this rotating shaft to pass swivel nut; Spiral shell is provided with the barrel that this rotating shaft of confession passes in this swivel nut; The keyway that extends below on being formed with together on this rotating shaft, and barrel has corresponding keyway one, makes and is equipped with a key piece between this barrel and this rotating shaft;

Be provided with a cylinder body in this body; This cylinder body have one can receive air pressure or oil pressure source start to rise or descend expansion link, have a thread segment on this expansion link, supply feed adjustment cover spiral shell to establish; An and feed adjustment cover locknut selectivity further capable of using location; Moreover this expansion link top has a lock caking, and this lock caking can cooperate locknut folder to pull on aforementioned stopper connecting plate, is provided with the feed that a corresponding aforementioned feed adjustment overlaps on this body in addition and detects element;

Whereby, make main shaft when forward and back cutter idle stroke, can directly be moved, but and group constitutes a fast moving, low abrasion and the tapping machine of the assembly that is easy to change the outfit by cylinder body.

Said tapping machine, wherein, the output of this driving element has a belt pulley, and the rotating shaft axle sleeve of this main shaft also utilizes hold-doun nut lock to be provided with a belt pulley, makes said driving element supply the rotating shaft through at least one belt drives main shaft.

Said tapping machine, wherein, this resets and detects element, withdrawing and detect element, the upper limit and detect element and feed and detect element and can be mechanical microswitch, proximity switch or optoelectronic switch.

Said tapping machine, wherein, lock one top cover is striden on these guide rail tops on this holder jointly, to keep the stationarity of these guide rails.

Said tapping machine, wherein, this swivel nut outside has one section lock-joining part, and confession one can pass the cap selectivity lock of said top cover and pull, with the protection rotating shaft.

Said tapping machine, wherein, the rotating shaft stage casing of this main shaft has the outer tooth bar of series, and said axle sleeve inner edge forms corresponding internal spline, and said rotating shaft can be slided up and down by said relatively axle sleeve.

Said tapping machine, wherein, this driving element adopts can control rotating speed and the servo motor or the stepper motor that turn to.

Whereby, through the concrete realization of above-mentioned technological means, make the main shaft of the utility model tapping machine when forward and back cutter idle stroke; Main shaft can directly be moved by cylinder body, makes the approaching fast work of tapping cutter ability on the main shaft or returns original position fast, and have the effect of fast moving; Moreover its need not associated component when moving interlock; Therefore have the effect that reduces abrasion, because associated component is and exposes design, further can be convenient to the dismounting of changing and keeping in repair simultaneously; And can promote the convenience of C&M; And can promote the accuracy of processing, and prolong its service life, so the utility model tapping machine is in more existing effects that has more in aspect such as " dismounting conveniences, be easy to maintenance, fast moving and low the abrasion ".

The beneficial effect of the utility model is, it is easy-to-dismount, so as to letting relevant spare part expose, and can be convenient to maintenance, renewal part and the disassembly and assembly of tapping machine, with stability and the accuracy that promotes its action, and prolongs its service life; But its fast moving can shorten the traveling time of forward and back cutter idle stroke, and reduces unnecessary abrasion, and can guarantee the precision of its processing.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further specified.

Fig. 1 is the local appearance sketch map of the tapping machine of the utility model.

Fig. 2 is the partial exploded view of the tapping machine of the utility model, supplies the aspect and the relativeness thereof of each element of explanation.

Fig. 3 A is the composition side cutaway view of the tapping machine of the utility model.

Fig. 3 B is the composition front view of the tapping machine of the utility model.

Fig. 4 A is the action side cutaway view of tapping machine when the feed idle stroke of the utility model.

Fig. 4 B is the action front view of tapping machine when the feed idle stroke of the utility model.

Fig. 5 A is the action side cutaway view of tapping machine when machining of the utility model.

Fig. 5 B is the action front view of tapping machine when machining of the utility model.

Fig. 6 A is the action side cutaway view of tapping machine when the withdrawing impulse stroke of the utility model.

Fig. 6 B is the action front view of tapping machine when the withdrawing impulse stroke of the utility model.

Label declaration among the figure:

10 bodies, 15 driving elements

16 belt pulleys, 17 belts

20 main shafts, 21 rotating shafts

210 keyways, 22 axle sleeves

23 hold-doun nuts, 24 belt pulleys

25 fixed link plate, 26 booms

The 261 sensor block 262 withdrawing sensor blocks that reset

263 upper limit sensor blocks 27 reset and detect element

28 withdrawings detect element 29 upper limits and detect element

30 holders, 31 guide rails

32 top covers, 33 stopper connecting plates

34 swivel nuts, 340 lock-joining parts

35 caps, 36 barrels

360 keyways, 37 key pieces

40 cylinder bodies, 41 expansion links

42 thread segments, 43 feeds adjustment cover

44 locknuts, 45 lock cakings

47 feeds of 46 locknuts detect element

The specific embodiment

Relevant this practicality is the detailed formation of tapping machine newly; Please referring to shown in Fig. 1, Fig. 2, Fig. 3 A and Fig. 3 B; This screw machine has a body 10, and body 10 is provided with the main shaft 20 that can move up and down, and is pivoted with rotatable and synchronization-moving rotating shaft 21 in the main shaft 20; Body 10 1 ends are provided with a rotation rate-controllable and the driving element 15 that turns to again; Wherein driving element 15 optional self energys are controlled rotating speeds and the servo motor, the stepper motor that turn to, and the output of this driving element 15 has a belt pulley 16, supply to drive through at least one belt 17 rotating shaft 21 of aforementioned main shaft 20;

And rotating shaft 21 stage casings of main shaft 20 are provided with the axle sleeve 22 that is hubbed on the body 10; Its bottom bracket axle 22 inner edges form internal spline; And rotating shaft 21 outer rims are formed with corresponding outer tooth bar; Make rotating shaft 21 relatively axle sleeve 22 slide up and down; This axle sleeve 22 also utilizes a key piece to set and a hold-doun nut 23 lock is provided with a belt pulley 24; The belt pulley 16 of its middle belt pulley 24 corresponding aforementioned driving elements 15; Rotating shaft 21 can moved up and down and can be driven in rotation through axle sleeve 22 relative belt pulleys 24; Make rotating shaft 21 can receive its rotating speed of driving element 15 Synchronization Control not influence its upper and lower displacement with turning to, main shaft 20 end that passes body 10 bottom surfaces is provided with a fixed link plate 25 again, this fixed link plate 25 have two be slidedly arranged on body 10 front end faces boom 26; These booms 26 are arranged with a corresponding withdrawing transfer point of adjustable height according to the different operating position the sensor block 261 that resets, a correspondence machines the upper limit sensor block 263 in the former site of a withdrawing sensor block 262 and a corresponding top a little; And be installed with the correspondence upper limit that withdrawing that resetting of sensor block 261 detect element 27, one corresponding withdrawing sensor block 262 detects an element 28 and a corresponding upper limit sensor block 263 that resets on the body 10 respectively and detect element 29, supply the forward and back cutter idle stroke of control main shaft 20 and the forward and back cutter impulse stroke of rotating shaft 21, wherein this resets and detects element 27, withdrawing and detect element 28 and the upper limit and detect element 29 and can be mechanical microswitch, proximity switch or optoelectronic switch etc.;

Moreover, body 10 be provided with in corresponding main shaft 20 tops one supply rotating shaft 21 upper ends to pass holder 30, this holder 30 is provided with several guide rails of stretching on parallel 31; And lock one top cover 32 is striden on these guide rail 31 tops jointly; Keeping the stationarity of these guide rails 31, moreover these guide rail 31 stage casings are slidingly equipped with a stopper connecting plate 33, and stopper connecting plate 33 be provided with one supply rotating shaft 21 to pass swivel nut 34; Swivel nut 34 outsides have one section lock-joining part 340 again; Confession one can pass the cap 35 selectivity lock of top cover 32 and pull, and with protection rotating shaft 21, moreover spiral shells are provided with the barrel 36 that a confession rotating shaft 21 passes in the swivel nut 34; And the keyway 210 that extends below on being formed with together on the rotating shaft 21; And barrel 36 has corresponding keyway 360 one, makes 21 on barrel 36 and rotating shaft be equipped with a key piece 37, makes barrel 36 and let rotating shaft 21 swivel nut 34 upper and lower displacements relatively in company with rotating shaft 21 rotations;

In addition; Be provided with the cylinder body 40 of a use air pressure, oil pressure source in the body 10; Cylinder body 40 have one can receive air pressure, oil pressure source start to rise or descend expansion link 41, have a thread segment 42 again on the expansion link 41, supply feed adjustment cover 43 spiral shells to establish; And feed adjustment cover 43 locknut 44 selectivity further capable of using location; Moreover expansion link 41 tops have a lock caking 45, and this lock caking 45 can cooperate a locknut 46 folders to pull on aforementioned stopper connecting plate 33, make stretching out with regaining to move of expansion link 41 can drive stopper connecting plate 33 synchronously and move; The feed that is provided with a corresponding aforementioned feed adjustment cover 43 again on the body 10 in addition detects element 47, supplies to change through the height of regulating feed adjustment cover 43 stroke of cylinder body 40 expansion links 41;

Whereby, main shaft 20 can directly be moved when forward and back cutter idle stroke by cylinder body 40, but and group constitute a fast moving, low abrasion and the tapping machine of the assembly that is easy to change the outfit.

Practice as for the utility model; Then shown in Fig. 1, Fig. 3 A and Fig. 3 B; In operation; Earlier calculate tapping cutter not the forward and back cutter idle stroke of contact workpiece and the forward and back cutter impulse stroke of tapping cutter contact workpiece according to tapping conditions such as working depth, the tapping degree of depth; And set corresponding respectively the resetting of reset on the boom 26 sensor block 261, withdrawing sensor block 262 and upper limit sensor block 263 according to forward and back cutter idle stroke and forward and back cutter impulse stroke and detect element 27, withdrawing and detect the position that element 28 and the upper limit detect element 29, the feed adjustment cover 43 of further regulating corresponding expansion link 41 strokes simultaneously highly;

Then when starting the tapping operation, shown in Fig. 3 A and Fig. 4 A, this moment, driving element 15 was static shape; And make cylinder body 40 start expansion links 41 fast retractiles; Because expansion link 41 utilizes lock caking 45 to lock together with stopper connecting plate 33, so stopper connecting plate 33 can be synchronized with on the guide rail 31 of holder 30 and glide fast, because stopper connecting plate 33 is locked and is provided with swivel nut 34; Both are that spiral shell is established and barrel 36 is embedded in by key piece 37 with rotating shaft 21 and swivel nut 34 is with barrel 36; Therefore synchronously driven rotary axle 21 and main shaft 20 to bottom offset, after covering this feed idle stroke, when utilizing feed adjustment cover 43 arrival feeds on cylinder body 40 expansion links 41 to detect element 47 [shown in Fig. 4 A]; Can stop the action of cylinder body 40 expansion links 41, start driving element 15 rotations on the body 10 simultaneously;

Then, shown in Fig. 5 A, after driving element 15 is activated; It can be through the belt pulley 24 on belt 17 driving main shaft 20 rotating shafts 21; Because belt pulley 24 is embedded at axle sleeve 22 by the key piece, and use axle sleeve 22 internal splines and rotating shaft 21 outer tooth bars to mesh and drive, so driven rotary axle 21 rotations synchronously; And because of being equipped with the barrel of establishing with swivel nut 34 spiral shells 36 on the rotating shaft 21; Therefore it can further drive barrel 36 and rotates relative to swivel nut 34, and owing to swivel nut 34 is locked on the stopper connecting plate 33, and stopper connecting plate 33 is fixed by cylinder body 40 expansion links 41 and can not be moved up and down; So it can order about barrel 36 driven rotary axles 21 and advance at a slow speed, supply the feed impulse stroke of carrying out tapping;

Afterwards, when tapping is accomplished, then shown in Fig. 5 B; Wherein withdrawing detects after element 28 senses withdrawing sensor block 262, make driving element 15 counter-rotatings [shown in Fig. 6 A], but so start barrel 36 reverses synchronously; And barrel 36 driven rotary axles 21 and main shaft 20 are risen, let the tapping cutter withdraw from workpiece.And further shown in Fig. 6 B; Detect element 27 when resetting and detect when resetting sensor block 261, accomplish the withdrawing impulse stroke, promptly stop the rotation of driving element 15; The expansion link 41 that starts cylinder body 40 simultaneously stretches out fast, and through stopper connecting plate 33 driven rotary axles 21 and main shaft 20 rapid rising returns.At last, shown in Fig. 3 A and Fig. 3 B, when the upper limit detects element 29 when sensing upper limit sensor block 263, promptly stop the action of expansion link 41, and accomplish resetting fast of withdrawing idle stroke;

Through above-mentioned structure and action; The utility model can be on forward and back cutter idle stroke; The expansion link 41 of cylinder body 40 capable of using advances with main shaft 20 with stopper connecting plate 33 quick driven rotary axles 21 or returns; And do not have traditional worm gear contacts friction with tooth bar problem, and have the effect of fast moving and low abrasion;

Moreover, screw togather relatively and disassembled swivel nut 34, barrel 36 and cap 35 owing to more expose to be provided with on the stopper connecting plate 33, therefore in the ordinary maintenance maintenance; Operating personnel can very easily inspect and carry out; And owing to adopt and expose and dismantled and assembled design, so when needing to change swivel nut 34 and barrel 36 grades in order to cooperate tapping pitch and change the outfit the demand of assembly, the effect of be more convenient for dismounting and replacing; Further can promote the accuracy of processing; And prolong its service life, and can improve its surcharge, and promote its economic benefit.

The above; It only is the preferred embodiment of the utility model; Be not that the utility model is done any pro forma restriction; Every technical spirit according to the utility model all still belongs in the scope of the utility model technical scheme any simple modification, equivalent variations and modification that above embodiment did.

In sum; The utility model is on structural design, use practicality and cost benefit; It is required to meet industry development fully, and the structure that is disclosed also is to have unprecedented innovation structure, has novelty, creativeness, practicality; The regulation that meets relevant utility model patent important document is so mention application in accordance with the law.

Claims

1. a tapping machine is characterized in that, it has a body, and this body is provided with the main shaft that can move up and down, and is pivoted with rotatable and synchronization-moving rotating shaft in this main shaft, and this body one end is provided with a rotation rate-controllable and the driving element that turns to;

Be provided with a cylinder body in this body; This cylinder body have one can receive air pressure or oil pressure source start to rise or descend expansion link, have a thread segment on this expansion link, supply feed adjustment cover spiral shell to establish; An and feed adjustment cover locknut selectivity further capable of using location; Moreover this expansion link top has a lock caking, and this lock caking can cooperate locknut folder to pull on aforementioned stopper connecting plate, is provided with the feed that a corresponding aforementioned feed adjustment overlaps on this body in addition and detects element.

2. tapping machine according to claim 1; It is characterized in that; The output of said driving element has a belt pulley, and the rotating shaft axle sleeve of this main shaft also utilizes hold-doun nut lock to be provided with a belt pulley, makes said driving element supply the rotating shaft through at least one belt drives main shaft.

3. tapping machine according to claim 1 is characterized in that, said resetting detects element, withdrawing and detect element, the upper limit and detect element and feed and detect element and can be mechanical microswitch, proximity switch or optoelectronic switch.

4. tapping machine according to claim 1 is characterized in that, lock one top cover is striden on these guide rail tops on the said holder jointly.

5. tapping machine according to claim 1 is characterized in that, said swivel nut outside has one section lock-joining part, and confession one can pass the cap selectivity lock of said top cover and pull.

6. tapping machine according to claim 1 is characterized in that, the rotating shaft stage casing of said main shaft has the outer tooth bar of series, and said axle sleeve inner edge forms corresponding internal spline, and said rotating shaft can be slided up and down by said relatively axle sleeve.

7. tapping machine according to claim 1 is characterized in that, said driving element adopts can control rotating speed and the servo motor or the stepper motor that turn to.