CN1456411A - Tapping devices - Google Patents
Tapping devices Download PDFInfo
- Publication number
- CN1456411A CN1456411A CN03136795A CN03136795A CN1456411A CN 1456411 A CN1456411 A CN 1456411A CN 03136795 A CN03136795 A CN 03136795A CN 03136795 A CN03136795 A CN 03136795A CN 1456411 A CN1456411 A CN 1456411A
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- China
- Prior art keywords
- screw tap
- tap
- workpiece
- push rod
- smear metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/16—Thread cutting; Automatic machines specially designed therefor in holes of workpieces by taps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/44—Equipment or accessories specially designed for machines or devices for thread cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G5/00—Thread-cutting tools; Die-heads
- B23G5/02—Thread-cutting tools; Die-heads without means for adjustment
- B23G5/06—Taps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G2240/00—Details of equipment for threading other than threading tools, details of the threading process
- B23G2240/08—Evacuation of chips or fines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
- Feeding Of Workpieces (AREA)
- Jigs For Machine Tools (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention relates to a tapping device, which continuously performs female screw machining even in the case of long workpiece. The device has a straight tap 6 movably supported in the longitudinal direction, a tap clamper 15 which detachably fixes the base end side of the tap 6 and is movable in the longitudinal direction, and a tap pusher 17 which is positioned at the base end side of the tap 6 and is movable independently of the tap clamper 15. The base end side of the tap 6 is fixed to the tap clamper 15 at the time of tapping, and the tap 6 is moved through the tap clamper 15. After completion of tapping, the base end side of the tap 6 becomes free, moves forward to move the tap 6 in the state where the tip of the tap pusher 17 abuts on the base end side of the tap 6. After that, the workpiece externally fitted to the tap pusher 17 is dropped and collected by retracting the tap pusher 17.
Description
Technical field
The present invention relates to tapping machine, relate to the tapping machine that workpiece such as nut is carried out continuously internal thread machining in detail.
Background technology
Used bent tap to carry out internal thread machining continuously in the past.Workpiece after the screw tap tapping moves successively along the straight line portion of the handle of screw tap, and the sweep of the base end side of the handle by screw tap is sent.The tapping machine of this bent tap for example leaves flat 1-193122, spy the spy and opens that flat 4-354616, spy open flat 11-239921, the spy opens all record among the 2000-71215.
Yet when processed workpiece was longer, workpiece can not can't carry out continuous processing by the sweep of bent tap.On the other hand, form the sweep that long workpiece is passed through if it constitutes, just need make the sweep broad warp, the length of bent tap is very long like this, and tapping machine itself also increases as a result.
Summary of the invention
Described problem proposes in order to solve in the present invention, carries out the tapping machine of internal thread machining when the work that is provided at is longer continuously.
In addition, the smear metal that when machining internal thread, produces attached to screw tap after, this smear metal hinders continuous machining internal thread.When long workpiece is carried out internal thread machining, because long meeting produces a large amount of smear metals.Particularly when what is called point screw tap, the smear metal of generation comes out to be wrapped on the screw tap easily in screw tap the place ahead.The easier front end that is wrapped in screw tap when in addition, smear metal is rotated than screw tap when workpiece rotates when carrying out internal thread machining.Thereby another object of the present invention provides when carrying out internal thread machining, does not hinder continuous machining internal thread and removes technological means attached to the smear metal on the screw tap.
For solving described problem, tapping machine of the present invention comprises: form the threaded portion, can move and the screw tap of the linearity that is supported along its length direction in front; The base end side of this screw tap is carried out the fixing of disassembled and assembled freely, the tap chuck that can move freely along the length direction of this screw tap simultaneously; Be positioned at the base end side of this screw tap, be positioned on the axis of length direction of this screw tap, and can move the screw tap push rod of control with this tap chuck independently at its length direction.The base end side of this tapping machine this screw tap when tapping is fixed in this tap chuck, moves by this screw tap of this tap chuck.It is released to finish after the tapping base end side of this screw tap, under the front end of this screw tap push rod touches the state of base end side of this screw tap, forwards move simultaneously, this screw tap is moved, thereafter, this screw tap push rod is retreated, the outer more than one workpiece that is loaded on this screw tap push rod is fallen and recovery.
In addition, the present invention also can carry out following provisions.Be that tapping machine makes screw tap or/and in the workpiece rotation, make screw tap or/and workpiece moves and on workpiece, form internal thread, its be included in front end form blade linearity screw tap and with the axle part of the linearity of this screw tap split, this screw tap and this part move freely at length direction respectively, simultaneously these are moved and can control separately, the fore-end that this screw tap and this part could touch and form the base end part of incorporate first state and this screw tap and this part at the leading section of the base end part of this screw tap and this part from second state between carry out state variation, the base end part by making this screw tap from this first state and the fore-end of this part be from becoming second state, is contained in this screw tap outward or/and the workpiece after the internal thread machining on this part falls and reclaims from separated part.Form second state and be not limited to a shifting axle spare, can adopt any one party or both sides in mobile screw tap and the axle part.
In desirable embodiment, tapping machine has the smear removal device.The smear removal device comprises smear metal folder to be opened/closed, can advance (can move to the direction of the front end that leaves screw tap) pressed from both sides in this smear metal simultaneously, this smear metal gripper is got the smear metal attached to the front end of screw tap after the tapping of workpiece is finished, and advance catching under the state of smear metal, smear metal is broken away from from the front end of screw tap.The advanceable structure of this smear metal folder preferably makes the smear metal folder rotatable.Rotation (also comprise and fascinating) result by smear metal folder makes and catches the position of smear metal to advance.And then smear metal folder preferably can allowed the wait state that this screw tap moves and catch between the state attached to the smear metal of the front end of screw tap and carry out Status Change.In embodiment described later, be that the smear metal folder moves downwards as what allow that wait state that screw tap moves enumerates, refer to interleave the harness cord awl at a pair of folder that constitutes the smear metal folder, or rotate by the smear metal folder, take to become the level of parallel shape with screw tap.Allow that the wait state that screw tap moves is not limited thereto, if importantly smear metal folder can be crossed the holding fix that the smear metal folder is advanced further from catching state attached to the smear metal of the front end of screw tap to move to, other formation also can.
Description of drawings
Fig. 1 is the schematic side view of the Workpiece supply mechanism of expression tapping machine;
Fig. 2 is the schematic plan view of Fig. 1;
Fig. 3 is the constructed profile of the gripping mechanism of workpiece;
Fig. 4 is the schematic side view of the driving mechanism of expression screw tap;
Fig. 5 is the schematic plan view of Fig. 4;
Fig. 6 is the figure of shape that enumerates the leading section of the base end part of screw tap and screw tap push rod;
Fig. 7 is the key diagram of continuous tapper mechanism, after the expression tapping is finished, and the release state of screw tap push rod;
Fig. 8 is the key diagram of continuous tapper mechanism, represents the state that resets from state screw tap push rod and the tap chuck of Fig. 7;
Fig. 9 is the key diagram of continuous tapper mechanism, and expression is released the screw tap push rod from the state of Fig. 8, and screw tap is inserted into the state in the tap chuck thereupon;
Figure 10 is the key diagram of continuous tapper mechanism, and expression is advanced from the state screw tap push rod of Fig. 9, carries out tapping processing, then, and the state that the workpiece push rod retreats in the processing;
Figure 11 relates to the front view and the side view of the smear removal device of first embodiment, and the expression smear metal is clipped in the mobile state of state of clamping smear metal downwards;
Figure 12 relates to the front view and the side view of the smear removal device of first embodiment, and expression smear metal folder becomes open mode falls smear metal, and the state that is moved upward;
Figure 13 relates to the front view and the side view of the smear removal device of first embodiment, and expression smear metal folder becomes the state of closure state clamping smear metal;
Figure 14 relates to the front view and the side view of the smear removal device of first embodiment, the state that expression smear metal folder has the state of smear metal to tilt to move with clamping;
Figure 15 relates to the front view and the side view of the smear removal device of first embodiment, and the expression smear metal is clipped in the mobile state of inclination mobile status of clamping smear metal downwards;
Figure 16 relates to the front view and the side view of the smear removal device of second embodiment, and expression is in the smear metal of level;
Figure 17 relates to the front view and the side view of the smear removal device of second embodiment, and expression is in the smear metal folder of vertical topography, and the smear metal folder is in open mode;
Figure 18 relates to the front view and the side view of the smear removal device of second embodiment, and expression is in the smear metal folder of vertical topography, and the smear metal folder is in closure state;
Figure 19 relates to the front view and the side view of the smear removal device of second embodiment, and expression is in the smear metal folder of horizontal configuration, and the smear metal folder is in closure state;
Figure 20 relates to the front view and the side view of the smear removal device of second embodiment, and expression is in the smear metal folder of horizontal configuration, and the smear metal folder is in open mode;
Figure 21 is attached to the schematic diagram of the smear metal of the blade of the front end of screw tap after the expression tapping is finished.
The specific embodiment
With reference to the accompanying drawings embodiments of the invention are described.Fig. 1, Fig. 2 are the figure of the Workpiece supply mechanism of expression tapping machine.Workpiece supply mechanism comprises: the hopper (not shown) of accommodating a plurality of workpiece; Chute 2 from this hopper supply workpiece 1 (not shown Fig. 1, Fig. 2); Be positioned at the temporary transient supporting workpiece 1 of chute 2 and the tucker 3 that makes it to fall one by one; The workpiece holder 4 that the workpiece 1 that the action that utilizes tucker 3 is fallen from chute 2 is temporarily supported and open and close shutter 5 freely; The temporary transient workpiece of supporting 1 to tapping position (gripping mechanism described later) mobile workpiece push rod 7 (workpiece is released rod).The basic comprising of this Workpiece supply mechanism is known for people.
The diameter of the diameter of the front of workpiece push rod 7 and workpiece 1 is roughly the same, and workpiece push rod 7 touches in the end of its front under the state of workpiece 1 and moves, and thus workpiece 1 is shifted onto the screw tap position and supplies with.The front of workpiece push rod 7 is free to rotate, and when workpiece push rod 7 touched the workpiece 1 of rotation, this front was followed workpiece 1 unitary rotation, prevents that thus this front end from damage and wearing and tearing taking place.In addition, workpiece push rod 7 front (screw tap 6 sides) at least becomes hollow, can accept the front end of screw tap 6 when not having workpiece to be processed.
Tapper mechanism is included in and forms the screw tap 6 that internal thread is used on the workpiece 1.Screw tap 6 is barred bodies of straight linearity, is provided with to form the blade that internal thread is used on the side face of front.The handle that relates to screw tap 6 of the present invention is a linearity, does not establish bend.In diagram, workpiece is the long size nut of a distolateral band edge, but relates to screw tap 6 of the present invention because there is not bend, so even the workpiece of this long chi shape also can move on the handle of screw tap 6 continuously.
Under the state of chucking claw 12 clampings and fixation workpiece 1, the state plug tap 6 that rotates at mandrel 11 moves to workpiece 1, and the inner peripheral surface at the workpiece 1 that rotates forms internal thread thus.Be illustrated be the rotating manner of workpiece.And, the so-called screw tap rotating manner that can be applicable to the screw tap rotation in the technological thought of the present invention, the insider understands.
Fig. 4, Fig. 5 mainly are the figure of driving mechanism of the screw tap of expression tapper mechanism.Relate to tapping machine integral body of the present invention by Fig. 1, Workpiece supply mechanism shown in Figure 2, Fig. 4, screw tap driving mechanism shown in Figure 5 be located at these inter-agency gripping mechanisms shown in Figure 38 and form.Screw tap 6 can be supported and be moved freely along its length by the guide sleeve 14 of gripping mechanism 8.
The driving mechanism of screw tap have the base end side of accepting screw tap 6 (omitting among Fig. 4, Fig. 5) freely install and remove fixing, the tap chuck (screw tap chuck) 15 that moves freely at the length direction (moving direction of axis direction or screw tap) of screw tap 6 simultaneously.When tapping, the base end side of screw tap 6 is fixed on the tap chuck 15, utilizes the mobile screw tap 6 that makes of tap chuck 15 to advance.Tap chuck 15 utilizes the base end side of chuck mechanism (for example collet chuck) clamping screw tap 6.In diagram, the switching of the chucking of tap chuck 15 is by cylinder 21 tooth bar 22 knee-actions to be carried out, but the switching mechanism of the chucking of tap chuck is not limited to this.Tap chuck 15 utilizes cylinder mechanism 16 to move to workpiece, utilizes not shown spring to reset simultaneously.And the mobile means of the fore-and-aft direction of tap chuck 15 (reciprocating motion) is not limited to this, also can be the mode of known in the industry any other.
Be positioned at the base end side (rear) of screw tap 6, be provided with on the axis of the length direction (axis direction) of the handle of screw tap 6 and stretch out, simultaneously the long screw tap push rod 17 of straight linear that moves freely at the length direction (moving direction of screw tap) of screw tap 6.The base end part clutch of the leading section of screw tap push rod 17 and screw tap 6 freely, the base end side of screw tap push rod 17 is fixed on the fixed head 18.Is furnished with the cylinder mechanism 19 that can independently drive control with above-mentioned cylinder mechanism 16 at the rear side of fixed head 18, moving with the mobile of screw tap 6 of screw tap push rod 17 combined, in addition, also can control moving with moving of screw tap 6 of screw tap push rod 17 carries out fully separately.Screw tap push rod 17 utilizes cylinder 19 forwards to move, and utilizes spring 20 to reset simultaneously.And the mobile means of the fore-and-aft direction of screw tap push rod 17 (reciprocating motion) is not limited to this, also can be any other known in the industry mode.Screw tap push rod 17 is arranged in the tap chuck 15 and can moves at its length direction, by exposing and indentation from tap chuck 15, can move freely between the state of keeping out of the way state and giving prominence to from screw tap 15 in tap chuck 15.
Fig. 6 is the example of shape of the auxiliary section of the base end part of screw tap and screw tap push rod, in alternate preferred embodiment, either party at the leading section of the base end part of screw tap 6, screw tap push rod 17 forms protuberance, and the opposing party forms the recess (negative and positive cooperation) that cooperates this protuberance.But, if the screw tap push rod can cooperate with screw tap and move screw tap is released, the shape of both ends is not limited to illustrated form fit so.And then, because screw tap push rod 17 also can be released screw tap 6 and move it at least, so shown in Fig. 6 (a), the leading section of the base end part of screw tap 6 and screw tap push rod 17 also can all be plane (it is favourable that the leading section of the base end part of screw tap 6 and screw tap push rod is worked in coordination).Here, illustrate be the screw tap push rod external diameter than the external diameter of screw tap littler or external diameter identical, the external diameter of screw tap push rod 17 also can be bigger than the external diameter of screw tap 6, but as described below, workpiece is moved to screw tap push rod 17 from screw tap 6, and for guaranteeing successfully to move, illustrated pattern is favourable.Under the state that screw tap 6 and screw tap push rod 17 are worked in coordination, just like forming rhizoid awl.Screw tap 6 and 17 cooperations of screw tap push rod become one during tapping.Yet, in the present embodiment because be to utilize the mobile screw tap 6 that makes of tap chuck 15 to move during tapping, so in the tapping only just the leading section of screw tap push rod 17 touch the base end part that cooperates screw tap 6 merely.Fig. 6 (i) is illustrated in the base end part of screw tap 6 and establishes reducing diameter part, forms the recess that cooperates usefulness with this reducing diameter part.Even the screw tap of different thicknesses 6 because of the diameter of reducing diameter part is identical, like this, just is easy to determine the position when the base end part of clamping screw tap 6.
According to Fig. 7 to Figure 10 the continuous tapper mechanism that uses this equipment is described.For ease of explanation, finish tapping from some workpiece and begin explanation constantly.As we know from the figure, carry out tapping continuously after, the workpiece of finishing tapping processing will install to outward on the handle of screw tap 6, the limit chokes firm processed workpiece limit and moves to the base end side of screw tap 6 successively.
In Fig. 7, workpiece 1A finishes (the leading section fits best of the base end part of screw tap 6 and screw tap push rod 17 under this state) after the tapping, then utilizes not shown position sensor that the chuck of tap chuck 15 is opened, and the base end side of screw tap 6 is decontroled.Meanwhile screw tap push rod 17 is mobile and flexible to workpiece side (left side among the figure) by cylinder mechanism 19, and screw tap 6 is moved, and the front end of screw tap 6 is crossed the screw tap position and is moved further, and 1B touches with workpiece to be processed.By utilization extrude screw tap push rod 17 make screw tap 6 forwards (among the figure left side) move, be positioned at one or more workpiece 1C on the handle of screw tap 6 be positioned at screw tap push rod 17 around.
In Fig. 8, after the front end of screw tap 6 and workpiece to be processed 1B touch, then from the state of Fig. 7, tap chuck 15 and screw tap push rod 17 move (screw tap 6 keep the state that is extruded constant) to the direction of separating with workpiece (right side among the figure), have processed and be in the outer workpiece 1C that is contained in the state on the screw tap push rod 17 to fall from the space that the leading section of the base end part of screw tap 6 and screw tap push rod 17 forms.The timing that retreats (resetting) of tap chuck 15 and screw tap push rod 17 is by timer and sensor control.
As shown in Figure 9, then, workpiece push rod 7 extruding workpiece to be processed 1B, workpiece 1B is expressed into screw tap position (clip position), then move on front end screw tap 6 right side in figure of touching workpiece 1B, tap holder (base end side of screw tap 6) inserts and is among the tap chuck 15 of holding fix (chuck of tap chuck 15 is in out state), and tap chuck 15 blocks the base end side of screw tap.Tap chuck 15 becomes the state that can advance from holding fix like this, utilize screw tap 6 that tap chuck 15 blocks with workpiece 1B toward the place ahead pressurization, workpiece 1B is blocked by the pawl 12 of gripping mechanism 8 simultaneously, beginning tapping processing.
In Figure 10, move in workpiece 1B by screw tap 6, constantly form negative thread at the inner peripheral surface of workpiece 1B, after finishing, tapping then returns the state of above-mentioned Fig. 7, form circulation continuously.Finishing tapping is to realize with the shift position of position sensor detection tap chuck 15.In tapping processing, workpiece push rod 17 retreats and returns (move in the left side in figure), and tucker 3 actions are fallen workpiece 1D, become next workpiece to be processed 1D.
What enumerate in this manual is the workpiece rotating manner, but also can be the screw tap rotating manner, and at this moment, if screw tap and screw tap push rod are frequent cooperations during tapping, its formation is that the screw tap push rod also can carry out unitary rotation with screw tap so.In addition, also enumerated screw tap and when length direction moves, carried out tapping, but screw tap is not moved to length direction, workpiece is moved relative to screw tap.
Front at the gripping mechanism 8 of workpiece is provided with removable lid 80.Lid 80 comprises slightly rounded antetheca 81 and perisporium 82.Central part at the antetheca 81 of lid 80 forms opening 83, and screw tap 6, workpiece 1 can insert and pass through.Lid 80 is omitted in Fig. 3.
On the antetheca 81 of lid 80, be provided with the smear removal device.Figure 11 to Figure 15 represents first embodiment of smear removal device.The smear removal device comprises smear metal folder to be opened/closed.The smear metal anchor clamps have a pair of folder to be opened/closed to refer to 100, and each folder refers to that 100 front end forms the clamping part 101 of relative shape.Folder refers to that 100 switching is by for example compressed air mechanism implementation of drive unit as a hope.Folder refers to that 100 cardinal extremity is contained in the not shown driving mechanism of the casing 102 that constitutes compressed air mechanism in being connected in, and is provided with the supply port of two air in casing 102, and a supply port is for opening usefulness, and another supply port be a closure usefulness.By utilizing compressed air mechanism to make folder refer to that 100 open and close, relative clamping part 101 carries out clutch.Under the closure state of smear metal folder, folder refers to that 100 exist interval and formation parallel shape to stretch out, and relative clamping part 101 touches or be approaching, can be in 101 clamping smear metals of clamping part.Under the closure state of smear metal folder, a pair of folder refers to that 100 gap has the size that can insert and pass through screw tap 6, workpiece 1.Folder refers to that 100 driven for opening and closing is not limited to compressed air mechanism, can suitably select for use from other known drive means.
The smear removal device comprises to be made smear metal be clipped in reciprocating mechanism that above-below direction moves and is catching clamping part 101 tilting equipment of the smear metal folder of mobile usefulness forwards that makes the smear metal folder under the smear metal state.In illustrated equipment, reciprocating mechanism comprises cylinder 104,105 and slide plate 107.In addition, the smear metal folder can fascinate for the fulcrum that fascinates with the upper portion position, and in the state of fascinating, the clamping part 101 of the lower end part of chuck forwards moves.
Face at the antetheca 81 of lid 80 is fixed with installing plate 103, and the cylinder body 104 of casing shape is fixed on the antetheca 81 of lid 80 by installing plate 103.Piston rod 105 stretches out below cylinder body 104.First level board 106 is connected in the lower end of piston rod 105.The lower end that slightly is the square slide plate of lengthwise 107 be connected in first level board 106 above, a side's of slide plate 107 sidepiece is free to slide by the sidepiece of not shown line slideway with respect to a side of cylinder body 104.Utilize the flexible of cylinder rod 105, slide plate 107 is up and down.On first level board 106, be provided with and forwards be the skewed enclosing cover that stretches out 110.Lid 110 covers the clamping part 101 that folder refers to 100 front end, stretches out towards oblique the place ahead downwards simultaneously.
The position is connected with a side's of riser 108 sidepiece above the opposing party's of slide plate 107 sidepiece, and the position is connected with the casing 102 and second level board that can fascinate above riser 108.On cylinder body 104, be provided with two not shown air supply ports.Promptly follow piston rod 105 up and down of cylinder, first level board 106, slide plate 107, riser 108, second level board 109, casing 102, folder refer to 100, clamping part 101, skewed lid 110 can be up and down as one.
Be connected in riser 108 the upper end second level board 109 following and slide plate 107 above to have the compartment of terrain relative.Second level board 109 is provided with and can utilizes air to press to the outstanding pin 111 in below, after pin 111 is outstanding downwards, then sells 111 front end and contacts with the top of slide plate 107.Pin 111 touches with the top deflection position on the front of slide plate 107.On the other hand, second level board 109 is connected with riser 108 by the rotating fulcrum 112 that is located at by the rear, and second level board 109 is fixed on the casing 102 simultaneously.Pin 111 is outstanding, touch slide plate 107 above, then second level board 109 and smear metal folder 100,101,102 be that fulcrum fascinates by its reaction force with the rotating fulcrum 112 that is positioned at the position, upper end, the clamping part 101 of lower end part is forwards mobile.The front end of pin 111 is often near above the slide plate 107, and in the time of will giving prominence to downwards by introducing air pins 111, chuck fascinates.By continuing to introduce the state that fascinates that air can keep chuck.After stopping to introduce air, the chuck that then fascinates leans on from the recondition plumbness.In addition, the mechanism that the smear metal folder is fascinated is not limited to the mechanism of embodiment.
When screw tap 6 carried out tapping on workpiece, the smear removal device was positioned at the top, and skewed lid 110 prevents dispersing of smear metal powder and oil.After the tapping of workpiece was finished, then the front end of screw tap 6 inserted and by workpiece and stretch out, the front end of screw tap 6 is with smear metal (Figure 21).Utilize position sensor that tap chuck 15 is stopped relative to moving of screw tap 6 when tapping is finished, screw tap 6 stops with the state that the front end of screw tap 6 protrudes in workpiece.At this, open folder refers to 100 closures, refers to that at folder clamping is attached to the smear metal of the front end of screw tap 6 between the clamping part 101 of 100 front end.
When the smear metal of front end of screw tap 6 was clamped in smear metal, then the smear metal folder was that fulcrum fascinates with the upper portion position, and the clamping part 101 of below forwards moves, and smear metal is broken away from from the front end of screw tap 6.Then, the smear removal device moves downwards.The top position of smear removal device, lower position are detected by the not shown position sensor that is located on the cylinder.Position sensor detects after the smear removal device is in lower position, and then screw tap push rod 17 advances, and screw tap 6 is advanced.When the smear removal device was in lower position, clamping part 101 and enclosing cover 110 were not on the mobile path of screw tap 6, and screw tap 6, workpiece, workpiece push rod 7 can refer to that 100 gap moves by relative folder.
Circulation to the action of the smear removal device that relates to first embodiment describes in conjunction with tapping.After negative thread machined, screw tap 6 advanced, and touched next workpiece (Fig. 8), then, utilized workpiece push rod 7 to make workpiece and screw tap 6 move (Fig. 9) to gripping mechanism 8.At this moment, the smear metal folder moves downwards with the state that smear metal is arranged in 101 clampings of clamping part, and is in the state of fascinating (Figure 11).
Utilize Workpiece clamping head 7 conveyances to be clamped (Fig. 9) by claw 12 to the workpiece of gripping mechanism 8.Workpiece push rod 7 returns original position, screw tap 6 beginnings cutting negative thread on workpiece.At this moment, the folder of smear metal folder refers to that 100 utilize compressed air mechanism to become open mode from closure state, and the smear metal of grabbing 101 of clamping parts falls, the folder of smear metal simultaneously utilizes cylinder to be moved upward, and then, stopping to introduce air to pin 111, the smear metal of fascinating folder is got back to original vertical topography (Figure 12).
After the tapping of workpiece was finished, the blade of the front end of screw tap 6 connected workpiece and stops (Figure 21) with the state that leaves from workpiece.At this moment, the smear metal folder utilizes compressed air mechanism to move to closure state from open mode, and clamping part 101 clampings are attached to the smear metal (Figure 13) of the front end of screw tap.
Then, utilize to introduce air, the pin 111 outstanding smear metal folders that make fascinate, and the clamping part 101 of lower end forwards moves to catch the state attached to the smear metal of the front end of screw tap, makes smear metal break away from (Figure 14) from the front end of screw tap 6.
Then, the smear metal folder utilizes cylinder to move downwards.The smear metal folder moves downwards with clamping smear metal and forwards mobile state (state fascinates).Position sensor detects after smear metal folder moves downwards, then is in the screw tap 6 that stops and utilizes screw tap push rod 17 to advance, and touching new workpiece becomes wait state (Figure 15).
Figure 16 to Figure 20 represents second embodiment of smear removal device.In relating to the smear removal device of second embodiment, it is identical that the formation of smear metal folder and first embodiment come down to, but the travel mechanism that smear metal is pressed from both sides and first embodiment's is different.Concrete is exactly that the smear metal folder can rotate between vertical topography and horizontal configuration.The top that smear metal is clipped in casing 102 is provided with folder and refers to 100, but being provided with to constitute and being not limited thereto of smear metal folder.Smear metal double-layered quilt support plate 113 is supported.Support plate 113 has in lower end side and becomes the horizontal rotating fulcrum that stretches out, and rotating fulcrum is connected with the output shaft of rotation driving mechanism 114.Utilize rotation driving mechanism support plate 113 between horizontal configuration and vertical topography, to rotate, smear metal folder can with support plate 113 unitary rotation, take horizontal configuration and vertical topography.In diagram, the folder of smear metal folder refers to that 100 switching utilizes compressed air mechanism to carry out, but also can use other driving mechanism that folder is referred to that 100 carry out switching.What enumerate is to utilize rotation driving mechanism 114 that the smear metal folder is rotated, but also can utilize other driving mechanism that the smear metal folder is rotated.Covering folder on support plate 113 refers to the clamping part 101 of 100 front end and skewed enclosing cover 110 is set.
Circulation to the action of the smear removal device that relates to second embodiment describes in conjunction with tapping.After tapping was finished, screw tap 6 utilized screw tap push rod 17 to advance, and contacted next workpiece (Fig. 8).Then, utilize workpiece push rod 17 to make workpiece and screw tap 6 move to gripping mechanism 8 (Fig. 9).At this moment, the smear metal folder is in and 6 one-tenth horizontal horizontal configuration of screw tap, forms wait state (Figure 16).
Utilize Workpiece clamping head 7 conveyances to be clamped (Fig. 9) by claw 12 to the workpiece of gripping mechanism 8.Workpiece push rod 7 is got back to original position, screw tap 6 beginnings cutting negative thread on workpiece.At this moment, smear metal folder rotates about 90 degree from horizontal configuration, forms for the vertical vertical topography (Figure 17) of screw tap 6.The smear metal folder is in open mode.
After the tapping of workpiece was finished, the blade of the front end of screw tap 6 connected workpiece, stops (Figure 21) with the state that leaves from workpiece.At this moment, the smear metal folder utilizes compressed air mechanism to move to closure state from open mode, and clamping (Figure 18) is carried out in 101 pairs of smear metals attached to the front end of screw tap 6 of clamping part.
After the smear metal gripper is lived smear metal attached to screw tap 6, jump at smear metal and intactly rotate 90 degree and get back to horizontal configuration, in this process, smear metal is forwards moved from the front end of screw tap 6, and break away from (Figure 19) from the front end of screw tap 6.
Be in the screw tap 6 that stops and confirm to advance after the smear metal folder moves downwards, touch new workpiece.At this moment, the smear metal folder becomes open mode, and the smear metal of catching is fallen, and forms wait state (Figure 20).
More than smear removal device and the relation that relates to tapping machine of the present invention are illustrated, also can be used in chasing bar but relate to smear removal device of the present invention with other formations.
Claims (13)
1. a tapping machine is characterized in that, comprising: (a) form the threaded portion, can move and the screw tap of the linearity that is supported along its length direction in front; (b) base end side of this screw tap is carried out the fixing of disassembled and assembled freely, the while is along the tap chuck of the length direction freedom of movement of this screw tap; (c) be located at this screw tap base end side, to move with this tap chuck mobile along the length direction freedom of movement of this screw tap and its be can control separately and the screw tap push rod that constitutes, this tapping machine (d) base end side of this screw tap when tapping is fixed on this tap chuck, and this screw tap moves by this tap chuck; (e) it is released to finish after the tapping base end side of this screw tap, simultaneously the state that touches the base end side of this screw tap with the front end of this screw tap push rod forwards moves, and this screw tap is moved, thereafter, by this screw tap push rod is retreated, the outer more than one workpiece that is loaded on this screw tap push rod is fallen and recovery.
2. tapping machine as claimed in claim 1 is characterized in that, the leading section of the base end part of this screw tap and this screw tap push rod can free clutch.
3. tapping machine as claimed in claim 2 is characterized in that, either party of the leading section of the base end part of this screw tap and this screw tap push rod is recess, and the opposing party forms the protuberance that cooperates with this recess.
4. any one requires described tapping machine as claim 1 to 3, it is characterized in that, this screw tap push rod is in the state of keeping out of the way in this tap chuck during tapping.
5. any one requires described tapping machine as claim 1 to 4, it is characterized in that, forwards move at state with the base end side of preceding this screw tap of end in contact of this screw tap push rod, when this screw tap is moved, be loaded on outward this screw tap workpiece at least more than one be loaded on outward on this screw tap push rod.
6. any one requires described tapping machine as claim 1 to 5, it is characterized in that, it has the workpiece push rod, this screw tap that utilizes this screw tap push rod to release touches workpiece to be processed, and utilizing this workpiece push rod to make this workpiece to be processed when move the tapping position, this screw tap is pushed out by this workpiece to be processed, and the base end side of this screw tap is inserted in this tap chuck and is fixed.
7. any one requires described tapping machine as claim 1 to 6, it is characterized in that, this screw tap push rod is waited for the state of the base end part that touches or approach this screw tap during tapping.
8. any one requires described tapping machine as claim 1 to 7, it is characterized in that, this screw tap is by the guide sleeve support, and the internal diameter of this guide sleeve is bigger than the external diameter of workpiece, and this screw tap that this workpiece is housed outward moves freely in this guide sleeve and stretches out.
9. tapping machine as claimed in claim 8 is characterized in that this guide sleeve is arranged in the gripping mechanism of fixing this workpiece when tapping.
10. any one requires described tapping machine as claim 1 to 9, it is characterized in that, has the smear removal device, this smear removal device comprises smear metal folder to be opened/closed, this smear metal folder can advance simultaneously, this smear metal gripper is got the smear metal attached to the front end of screw tap after the tapping of workpiece is finished, and advances with the state of catching smear metal, makes attached to the smear metal of the front end of the screw tap front end from screw tap to break away from.
11. the tapping machine as claim 10 is characterized in that, the structure that can advance of this smear metal folder is that this smear metal folder can be rotated.
12., it is characterized in that this smear metal folder can allowed the wait form that this screw tap moves and catch between the form attached to the smear metal of the front end of screw tap and carry out metamorphosis as claim 10 or 11 described tapping machines.
13. tapping machine, it is characterized in that, make screw tap or/and workpiece makes screw tap or/and workpiece moves when rotating, on workpiece, form internal thread, its be included in front end form blade linearity screw tap and with the axle part of the linearity of this screw tap split, this screw tap and this part move freely at length direction respectively, these move and can control separately simultaneously, the fore-end that this screw tap and this part could touch and form the base end part of incorporate first state and this screw tap and this part at the leading section of the base end part of this screw tap and this part from second state between carry out state variation, fore-end by becoming the base end part that makes this screw tap and this part from this first state from second state, be contained in this screw tap outward or/and the workpiece after the internal thread machining on this part falls and reclaims from separated part.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP136133/2002 | 2002-05-10 | ||
| JP2002136133 | 2002-05-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1456411A true CN1456411A (en) | 2003-11-19 |
Family
ID=29416775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN03136795A Pending CN1456411A (en) | 2002-05-10 | 2003-05-10 | Tapping devices |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR20030087924A (en) |
| CN (1) | CN1456411A (en) |
| TW (1) | TWI275435B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105195838A (en) * | 2015-11-05 | 2015-12-30 | 刘伟锋 | Automatic tapping machine |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117020330B (en) * | 2023-10-09 | 2024-05-17 | 南京优耐特船舶配套有限公司 | Tapping device for controlling feeding and clamping synchronous turnbuckle production |
-
2003
- 2003-04-24 KR KR10-2003-0026178A patent/KR20030087924A/en not_active Application Discontinuation
- 2003-05-02 TW TW092112167A patent/TWI275435B/en not_active IP Right Cessation
- 2003-05-10 CN CN03136795A patent/CN1456411A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105195838A (en) * | 2015-11-05 | 2015-12-30 | 刘伟锋 | Automatic tapping machine |
| CN105195838B (en) * | 2015-11-05 | 2017-10-20 | 刘伟锋 | A kind of automatic tapping machine |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20030087924A (en) | 2003-11-15 |
| TW200404632A (en) | 2004-04-01 |
| TWI275435B (en) | 2007-03-11 |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |