CN206588453U - The two-period form positioner of tooth machining unit - Google Patents

Abstract

A kind of two-period form positioner of tooth machining unit, includes the clamp mechanism and a clamping drive mechanism being arranged on pedestal.Clamp mechanism includes two fixture units, and two energy are clamped drive mechanism driving and are driven the telescopic rod unit that fixture unit clamps nut component, each telescopic rod unit include a pushing arm being telescopically hubbed between fixture unit and clamping drive mechanism with one push axostylus axostyle, one be installed on the forcing piece for pushing axostylus axostyle and being located at pushing arm rear, and one is installed on pushing arm and pushes the spring between axostylus axostyle.Pass through the structure design of telescopic rod unit, clamp mechanism is changed between half clamped condition and packing state, it is convenient to push up just crooked nut component under half clamped condition, can be greatly reduced by the abrasion between the positive nut component in top and fixture, improve nut crudy.

Description

The two-period form positioner of tooth machining unit

Technical field

The utility model is related to a kind of tooth machining unit, more particularly to a kind of component positioner for tooth machining unit.

Background technology

When the tapping of nut component is processed, it will usually the nut component for treating tapping is transferred into tooth machining unit via blanker, by Tooth machining unit with clamp mechanism by nut component it is clamping after, then with a tapping Workpiece tapping.But fall nut component in blanker When material is to tooth machining unit, the nut component dropped normal incidence will not generally fall on tooth machining unit very much, so working as clamp mechanism by nut portion When product are clamping, nipped nut component may be not coaxial with the tapping workpiece, the crooked not positive phenomenon meeting of this nut component Have a strong impact on the nut quality being processed into.

Although some tooth machining units are designed with pushes away positive structure design by crooked nut component, in order to avoid treating tapping Nut component come off, so being carried out after clamp mechanism is by the clamping positioning of nut component, then with other machinery component Pushing tow correcting operation, but when clamp mechanism once grips the nut component, the gripping strength of clamp mechanism is all quite big, Therefore to the clamping nut component of clamp mechanism is pushed away just, larger mechanical force must be applied, and easily cause nut component quilt Clamp wear.

The content of the invention

The purpose of this utility model is to provide the two of a kind of tooth machining unit at least one shortcoming for improving prior art Segmentation positioner.

The two-period form positioner of the utility model tooth machining unit, can a clamping nut component to be processed.The two-period form Positioner includes pedestal, a clamp mechanism, and a clamping drive mechanism.The clamp mechanism includes two between left and right Every being installed on the pedestal and can be driven the fixture unit of the clamping nut component, and two are respectively arranged in the fixture list The telescopic rod unit of member, each telescopic rod unit is hubbed at the pushing arm of respective fixture unit, an energy phase including one Elastic inserting with displacement is socketed on the pushing arm push axostylus axostyle, one be installed on this and push axostylus axostyle and be located at interval at this The forcing piece at pushing arm rear, and one be installed on the pushing arm and this pushes spring between axostylus axostyle.The clamping drive mechanism is Be installed between the pedestal and the telescopic rod unit, can drive it is described push the relatively described pushing arm reach of axostylus axostyle and inside contract, and phase Coordinate the transmission fixture unit in the release conditions for unclamping the nut component, one or so opposite clamping nut of elasticity Change between half clamped condition of component, and the packing state of one or so the opposite clamping nut component.When the fixture unit During positioned at half clamped condition, the axostylus axostyle that pushes is to drive spring pushing tow described in elastic pushing tow forward relatively respectively respectively Arm, the fixture unit is the opposite clamping nut component of elasticity in left and right, when the fixture unit is located at the packing state, institute It is to drive forcing piece difference pushing arm described in pushing tow forward to state and push axostylus axostyle, and the fixture unit, which is that left and right packing is clamping, to be somebody's turn to do Nut component.

The two-period form positioner of tooth machining unit described in the utility model, each spring is that front and rear install with extending is positioned at In respective pushing arm, each axostylus axostyle that pushes can be articulated in the clamping drive mechanism and extend forward left and right pivot pendulum with one Pivot joint section, one be plugged in forward in respective pushing arm and can be with respect to the pushing arm respective bullet of elastic displacement pushing tow forward The shaft section of spring, and a radial direction extend out be based in the shaft section rear end and be located at interval at the pushing arm rear lean section, when When the clamp mechanism is located at half clamped condition, the axostylus axostyle that pushes is respectively with shaft section bullet described in elastic pushing tow forward Spring, and the spring pushing arm of elasticity passage forward respectively is driven, it is described when the clamp mechanism is located at the packing state Push axostylus axostyle be respectively with it is described lean section and directly lean forward respectively push the pushing arm.

The two-period form positioner of tooth machining unit described in the utility model, each telescopic rod unit is also fixed in including one Respective pushing arm rear and backward extension are placed on before and after the respective protection sleeve pipe pushed outside axostylus axostyle, and an energy slippingly It is placed on outside pivot joint section and front and rear can adjusts to move positioningly to be spirally connected and be installed on the spacing block piece of the protection sleeve pipe, it is to be located at that this, which leans section, In the protection sleeve pipe and can with respect to after the protection sleeve pipe move abut against it is spacing in the spacing block piece.

The two-period form positioner of tooth machining unit described in the utility model, each fixture unit has an energy left and right displacement Ground is installed on the pedestal and is used for the chuck body of the clamping nut component, a horizontal pivot is located at the swing arm of the pedestal, and One horizontal pivot is cranked arm located at the transmission between the swing arm, the chuck body and the pushing arm, and the swing arm has the positioning that is pivoted In the first end of pedestal, and a second end tiltedly extended afterwards towards another fixture unit, it is to be located at the folder that the transmission, which is cranked arm, Have between body and the swing arm, the turning point with a second end for being articulated in the swing arm, and certainly should with pressing from both sides special angle Turning point is respectively towards one first transmission end of the chuck body and the pushing arm projection and one second transmission end, and should First transmission end is to be articulated in the chuck body, and the second transmission end is to be articulated in the pushing arm.

The two-period form positioner of tooth machining unit described in the utility model, the pedestal includes the confession fixture unit peace The pedestal portion of dress, and two or so compartment of terrains from the pedestal portion up projection and respectively be located at the swing arm on front side of stop section, The stop section can be for the swing arm positioned at half clamped condition and the fixture unit of the packing state respectively toward forward swing By spacing.

The two-period form positioner of tooth machining unit described in the utility model, the clamping drive mechanism is fixed on this including one The clamp driver of pedestal, and one be installed on the clamp driver and can be driven by the clamp driver and before the relative pedestal The moving part of displacement afterwards, the axostylus axostyle that pushes is to be articulated in the moving part respectively with end thereafter left and right horizontal pivot pendulum, and It can be driven and the relatively described elastic displacement of pushing arm by the moving part.

The two-period form positioner of tooth machining unit described in the utility model, also comprising a positive machine in the top for being installed on the pedestal Structure, the Ding Zheng mechanisms can be activated and pushing tow is by crooked nut component being interposed between the fixture unit forward.

The two-period form positioner of tooth machining unit described in the utility model, the Ding Zheng mechanisms are fixed on the pedestal including one The positive driver in top, and one be connected in the positive driver in the top and can be driven by the positive driver in the top and move forward and abut against in institute That states fixture unit to be bulldozed the nut component rushes rod.

The beneficial effects of the utility model are：By being installed on stretching between the fixture unit and the clamping drive mechanism The drive mechanism design of contracting bar unit so that when fixture unit clamps the nut component by driving, half folder that can be supported in elastic clip Change between tight state and the packing state firmly clamped, can be convenient under half clamped condition enter crooked not positive nut component The row positive operation in top, can be greatly reduced and be pushed away the degree of wear between positive nut component and the chuck body, and relative improve spiral shell Cap crudy.

Brief description of the drawings

Other features and effect of the present utility model, will clearly be presented in the embodiment with reference to schema, wherein：

Fig. 1 is that one embodiment of the two-period form positioner of the utility model tooth machining unit arranges in pairs or groups a blanker when using Incomplete stereogram；

Fig. 2 is the stereogram of the embodiment, and two stop sections of one of pedestal have been removed, and illustrates a clamp machine Structure is located at a situation during release conditions；

Fig. 3 is similar Fig. 2 view, illustrates the situation when clamp mechanism is located at a packing state；And

Fig. 4 is the sectional side view of a telescopic rod unit of the embodiment；

Fig. 5 is the broken section top view of the embodiment, and illustrates the situation when clamp mechanism is located at the release conditions；

Fig. 6 is similar Fig. 5 view, and illustrates the state when clamp mechanism is located at one and half clamped conditions；

Fig. 7 is the front view of the embodiment, and illustrates the situation when clamp mechanism clamps a nut component；And

Fig. 8 is similar Fig. 6 view, and illustrates the situation when clamp mechanism is located at a packing state.

Embodiment

Refering to Fig. 1,2,3, the embodiment of the two-period form positioner of the utility model tooth machining unit, it is adaptable to arrange in pairs or groups one and use Treat that the blanker 800 of the nut component 900 of tapping is used in conveying supply, the nut portion that the blanker 800 can be disengaged Product 900 are clamping, so that a tapping part (not shown) carries out tapping operation.The two-period form positioner includes a pedestal 3, one The individual clamp mechanism 4 being installed on the pedestal 3, the clamping that is installed on the pedestal 3 and is connected with the clamp mechanism 4 Drive mechanism 5, and one be installed on the pedestal 3 and for pushing away nut component to be processed of the just clamp mechanism 4 clamping 900 Ding Zheng mechanisms 6.

The pedestal 3 has pedestal portion 31, and two or so extensions and left and right compartment of terrain are based in the pedestal portion 31 and pushed up The stop section 32 of the front side edge in face.

The clamp mechanism 4 is mounted in the pedestal portion 31, can be driven and is somebody's turn to do in a release by the clamping drive mechanism 5 Half clamped condition of the release conditions of nut component 900, one or so resilient clamp nut component 900, and one or so jail Admittedly change between clamping the packing state of the nut component 900.

The clamp mechanism 4 includes two and is located at the rear side of stop section 32 respectively every being installed on the top surface of pedestal portion 31 between left and right Fixture unit 41, and extension ground is hubbed at expansion link between fixture unit 41 and the clamping drive mechanism 5 respectively before and after two Unit 45.

Refering to Fig. 2,4,5, because fixture unit 41 and telescopic rod unit 45 are symmetrically to be installed on the pedestal 3, it is Convenient explanation, below only by taking the structure of the right half side fixture units 41 of Fig. 5 and the telescopic rod unit 45 as an example, to the fixture The structure of mechanism 4 is illustrated.

The fixture unit 41 has the chuck body 42 that can be installed on to left and right displacement on the pedestal 3, an energy past Preceding pivot swings to the swing arm 43 for being butted on the ground horizontal pivot of stop section 32 of homonymy located at the pedestal 3, and a level is articulated in the folder Tool body 42, the transmission between the swing arm 43 and the telescopic rod unit 45 crank arm 44.The swing arm 43 is pivoted with one and is positioned at this The first end 431 of pedestal 3, and one tiltedly after turn left the second end 432 of extension, pivot swings to and is butted on the gear forward for the swing arm 43 Stop 32 and it is spacing when, be in left and right extension shape.

The transmission crank arm 44 be in L fonts, the turning point with a second end 432 for being articulated in the swing arm 43 441st, one from the turning point 441 tiltedly before turn left projection and be articulated in the right-hand member of chuck body 42 first transmission end 442, and One with the first transmission end 442 folder special angle from the turning point 441 tiltedly after turn left and projection and be articulated in the expansion link Second transmission end 443 of the leading section of unit 45.

The transmission is cranked arm and 44 can elapse pivot forward by the telescopic rod unit 45, and drives the second end of the swing arm 43 432 swing to forward in respective stop section 32 and in left and right extension shape, now, the transmission crank arm 44 this first transmission end 442 can also be put into the left and right extension coaxial with the swing arm 43 with respect to the pivot of chuck body 42, and the second transmission end 443 can pivot It is put into the front and rear extension shape coaxial with the telescopic rod unit 45.Pivot is put into the past left translation of the swing arm 43 meeting of left and right extension shape forward The transmission cranks arm 44, same pivot is put into the first transmission end 442 of left and right extension shape toward the left translation chuck body 42.

The telescopic rod unit 45 includes one so that its leading section can pivotally level be articulated in the transmission and cranks arm 44 for left and right The pushing arm 46 of the second transmission end 443, one be installed on the rear end of pushing arm 46 and coaxial projection backward protection sleeve pipe 40th, an energy it is elastic with displacement forward through the protection sleeve pipe 40 and be plugged in the pushing arm 46 push axostylus axostyle 47, Slippingly be sheathed on before and after one energy this push axostylus axostyle 47 it is outer and can before and after adjust be spirally connected with moving and be installed in the protection sleeve pipe 40 Spacing block piece 49, and a spring that is installed in the pushing arm 46 and can be pushed by this elastic top pushes compression forward of axostylus axostyle 47 48。

There is the pushing arm 46 opening to connect the installing space 460 of the protection sleeve pipe 40 backwards, and the spring 48 is energy It is installed on by elastic compression forward in the installing space 460.

This pushes axostylus axostyle 47 can run through the protection sleeve pipe 40 forward with one and be plugged in installation sky movably forward and backward Between in 460 and forward elasticity be resisted against the shaft section 471 of the spring 48, a radial direction and extend out and be based in the rear end of shaft section 471 And be located at interval at the rear of pushing arm 46 in the protection sleeve pipe 40 lean section 472, and one from this, to lean section 472 same Axle stretches out outside the protection sleeve pipe 40 and can be articulated in the pivot joint section 473 of the clamping drive mechanism 5 left and right horizontal pivot pendulum backward. This pushes axostylus axostyle 47 and can be driven and be inside contracted with respect to the pushing arm 46 reach by the clamping drive mechanism 5, and first with the shaft section 471 Elastic top pushes compression spring 48 forward, and then elasticity elapses the pushing arm 46 forward indirectly, then with this, to lean section 472 straight again Sinciput is access to by the rear end of pushing arm 46, and directly elapses the pushing arm 46 forward.

The spacing block piece 49 is that spiral shell is located at the inner peripheral surface of protection sleeve pipe 40, and this can be supplied to push this of axostylus axostyle 47 and lean section 472 Move afterwards abut against it is spacing, and can the relative spiral shell of protection sleeve pipe 40 turn to move positioning with front and rear adjust, and adjust it leans section 472 with this relatively Between spacing, and then adjust this and push the stroke distances moved after axostylus axostyle 47 is driven.

Refering to Fig. 5,6,8, the clamping drive mechanism 5 is mounted to the rear of pedestal 3, including one is fixed on the pedestal 3 Clamp driver 51, and one be installed on the rear of clamp driver 51 and left and right extension is connected across the pivot joint that pushes axostylus axostyle 47 The moving part 52 of section 473.In the present embodiment, the clamp driver 51 is pneumatic cylinder, with two between left and right every and toward processus aboralis The cylinder shaft 511 for being connected to the moving part 52 is stretched, the clamp driver 51 can drive the elastic displacement of cylinder shaft 511, and drive and be somebody's turn to do The Synchronous Transmission of moving part 52 pushes axostylus axostyle 47 and moved forward and backward.Moved forward and backward due to the moving part 52 drive can be driven to push axostylus axostyle 47 Device type it is numerous, therefore implement when, the clamp driver 51 is not limited with pneumatic cylinder.

The Ding Zheng mechanisms 6 include a positive driver 61 in top for being installed on the rear of pedestal 3, and one is being installed on the top just Driver 61 and it can movably forward and backward be arranged on the pedestal 3 and rush rod 62.In the present embodiment, the positive driver 61 in the top is one Individual pneumatic cylinder, is linked to the cylinder shaft 611 for rushing rod 62 with a projection forward, the cylinder shaft 611 can be driven elastic with band Dynamic this rushes rod 62 and abutted against forward in the rear side of chuck body 42.Due to this can be driven to rush, device type that rod 62 moves forward and backward is numerous, When therefore implementing, the positive driver 61 in the top is not limited with pneumatic cylinder.

Refering to Fig. 1,2,5, the two-period form positioner of the utility model tooth machining unit is in use, be first to control the clamping to drive Moved after the transmission telescopic rod unit 45 of mechanism 5, and the chuck body 42 or so for being driven fixture unit 41 is opposite remote, makes the clamp machine Structure 4 is changed to the release conditions, to accept the nut component 900 fallen from the blanker 800.

Refering to Fig. 3,5,6, when the blanker 800 disengages a nut component 900 to chuck body 42, the folder is controlled The tight transmission telescopic rod unit 45 of drive mechanism 5 moves forward with respect to the pedestal 3.Expansion link list is elapsed forward in the clamping drive mechanism 5 During member 45, pushing axostylus axostyle 47 can distinguish in local retraction pushing arm 46 forward, and pass through the side of elastic goring push spring 48 forward Formula, the indirectly pushing arm 46 of elasticity passage forward, that is, drive pushing arm 46 synchronous past using the elastic elastic force of spring 48 Preceding passage turns transmission and cranks arm 44, and is gradually driven the opposite displacement of chuck body 42 or so, when swing arm 43 swing to forward respectively in Stop section 32 and it is spacing when, the clamp mechanism 4 has just been changed to half clamped condition (as shown in Figure 6).

Refering to Fig. 6,7,8, when the clamp mechanism 4 is located at half clamped condition, chuck body 42 or so clips the nut The active force of component 900 mostlys come from the elastic force of spring 48, so chuck body 42 not firmly clamps the nut component 900, chuck body 42 can also be produced left and right elastic displacement by driving.Now, the Ding Zheng mechanisms 6, the positive driver in the top are started 61, which can be driven this, rushes rod 62 and moves forward with respect to the pedestal 3, and is resisted against the trailing flank of chuck body 42 forward.When chuck body 42 is sandwiched The nut component 900 occur before and after crooked not positive phenomenon when, this rushes rod 62 can be by outside backward crooked prominent chuck body 42 Nut component 900 toward sinciput just, and because chuck body 42 be elastic clip support the nut component 900, can be greatly reduced In the case of the degree of wear between the nut component 900 and chuck body 42, the crooked nut component 900 is pushed up just easily.

When the Ding Zheng mechanisms 6 push up the nut component 900 just, and abut against in after chuck body 42 and the nut component 900 During side, the clamping drive mechanism 5 is controlled to continue to elapse telescopic rod unit 45 forward.Because swing arm 43 has been abutted against forward in gear respectively Stop 32 and it is spacing, so pushing arm 46 can not be moved along again, push axostylus axostyle 47 can respectively forward elastic compression spring 48 and Continue in retraction pushing arm 46, and then the rear end of pushing arm 46 is relied on forward respectively and spacing to lean section 472.Now, pushing tow Arm 46 can because lean section 472 pushing tow and can not elastic displacement backward again so that the clamp mechanism 4 be changed to it is urgent it is clamping should The packing state of nut component 900, that is to say, that the nut component 900 can not the displacement of opposed jaw body 42 or pivot again.Connect , just tapping operation can be carried out to the nut component 900 with tapping part backward.

Refering to Fig. 5,8, after tapping processing operation is completed, the clamping drive mechanism 5 is controlled to be driven after telescopic rod unit 45 Move and reset, and interlock transmission and crank arm and move after 44 and pivot, drive the opposite displacement of chuck body 42 or so to unclamp the spiral shell after processing Cap component 900, now the clamp mechanism 4 be just reset to the release conditions.

The structure design that fixture unit 41 clamps the nut component 900 is driven by the energy two-part of telescopic rod unit 45, made The Ding Zheng mechanisms 6 can be under half clamped condition of the elastic clamping of the fixture unit 41 nut component 900, to front and rear crooked not positive The nut component 900 carries out pushing up positive processing, and top just during do not result in the nut component 900 and come off, also can significantly drop The degree of wear between low the nut component 900 and chuck body 42, and the quality of production of nut can be greatly improved.

In the present embodiment, spring 48 is to be respectively arranged in pushing arm 46 and to be pushed axostylus axostyle 47 respectively elastic forward Compression, and the pushing arm 46 of elasticity passage forward, but in other implementation aspects of the present utility model, the mounting means of spring 48 Be not limited, for example, can also be designed to be respectively sleeved at outside pushing arm 46, and can be moved forward relatively respectively push axostylus axostyle 47 Elasticity is compressed or stretched forward, as long as can enable to push axostylus axostyle 47 and elastic telescopic displacement before and after pushing arm 46.

Furthermore, it is necessary to explanation, in the present embodiment, each fixture unit 41 are the first ends with the swing arm 43 Portion 431, which is pivoted, is positioned at the pedestal 3, and by the transmission crank arm 44 be hubbed at the chuck body 42, the swing arm 43 second end Between portion 432 and respective pushing arm 46, the transmission is cranked arm and 44 elapsed generation pivot forward by respective pushing arm 46, and pass Move the pivot of swing arm 43 and be put into left and right extension shape, and then be driven the chuck body 42 and leaned on toward the displacement of nut component 900 with carrying out folder. But implement when, it is of the present utility model another implement aspect in, can by the swing arm 43 of the fixture unit 41 this first End 431 is articulated in the chuck body 42, and extends after making the second end 432 tiltedly, then by the transmission crank arm 44 this first Transmission end 442 is pivoted and is positioned at the pedestal 3, and the turning point 441 is articulated in the second end 432 of the swing arm 43, with And the second transmission end 443 is articulated in the pushing arm 46, by this structure design, the telescopic rod unit 45 equally can be utilized The chuck body 42 of the past driving front fixture unit 41 produces the function for clamping the nut component 900.In addition, when implementing, folder The structure of tool unit 41 is not limited with the aspect of the opposite clamping nut component 900 of displacement of chuck body 42 or so, can also make energy into It is driven by telescopic rod unit 45 and makes the aspect of the clamping nut component 900 in the way of front and rear pivot is put of chuck body 42.

In summary, by the structure for the telescopic rod unit 45 being installed between fixture unit 41 and the clamping drive mechanism 5 Design, can using push axostylus axostyle 47 can by the indirect push arm of elastic top ejection forward 46 of spring 48, and can directly forward against The two-period form driving design of pushing tow pushing arm 46 so that, can be in elasticity when fixture unit 41 clamps the nut component 900 by driving Half clamped condition clipped, with changing between the packing state that firmly clamps, facilitates the Ding Zheng mechanisms 6 in half clamped condition Under crooked not positive nut component 900 is carried out to push up positive operation, the Ding Zheng mechanisms 6 can be greatly reduced and push away just crooked nut forward The mechanical force used needed for component 900, and be greatly reduced and pushed away abrasion between positive nut component 900 and the chuck body 42 Degree, and nut crudy is improved relatively, it is a kind of Position Design of nut component 900 of innovation.Therefore, this can be reached really The purpose of utility model.

As described above, only be embodiment of the present utility model, when can not be limited with this utility model implementation Scope, every simple equivalent changes and modifications made according to the utility model claims and description, all still belongs to Scope of the present utility model.

Claims (8)

1. a kind of two-period form positioner of tooth machining unit, can be used for clamping one nut component to be processed, two-period form positioning Device includes pedestal, a clamp mechanism, and a clamping drive mechanism, and the clamp mechanism includes two between left and right every peace Loaded on the pedestal and being driven the fixture unit of the clamping nut component, it is characterised in that：The clamp mechanism also includes two The individual telescopic rod unit for being respectively arranged in the fixture unit, each telescopic rod unit is hubbed at respective fixture including one The pushing arm of unit, one can relatively elastic inserting with displacement be socketed on the axostylus axostyle that pushes of the pushing arm, and an installation In the pushing arm and this push spring between axostylus axostyle, the clamping drive mechanism is installed between the pedestal and the telescopic rod unit, The relatively described pushing arm reach of axostylus axostyle is pushed described in driving to inside contract to be driven the fixture unit action, enables the clamp mechanism In half clamped condition of the release conditions for unclamping the nut component, one or so opposite clamping nut component of elasticity, and Change between the packing state of one or so the opposite clamping nut component；When the clamp mechanism is located at half clamped condition, institute It is to drive spring pushing arm described in elastic pushing tow forward relatively respectively to state and push axostylus axostyle, and the fixture unit is that left and right is opposite The clamping nut component of elasticity, when the clamp mechanism is located at the packing state, the axostylus axostyle that pushes is respectively directly toward sinciput Abut against and push away the pushing arm, the fixture unit is the clamping nut component of left and right packing.

2. the two-period form positioner of tooth machining unit according to claim 1, it is characterised in that：Each spring is front and rear extension Ground is installed and is positioned in respective pushing arm, and each axostylus axostyle that pushes can be articulated in the clamping driving machine left and right pivot pendulum with one Structure and extend forward pivot joint section, one be plugged in forward in respective pushing arm and can be with respect to pushing arm elastic displacement forward The shaft section of the respective spring of pushing tow, and a radial direction extend out and are based in the shaft section rear end and are located at interval at the pushing arm rear Lean section, when the clamp mechanism is located at half clamped condition, the axostylus axostyle that pushes is respectively with shaft section bullet forward Property spring described in pushing tow, and the spring pushing arm of elasticity passage forward respectively is driven, when the clamp mechanism is compeled positioned at this During tight state, it is described push axostylus axostyle be respectively with it is described lean section and directly lean forward respectively push the pushing arm.

3. the two-period form positioner of tooth machining unit according to claim 2, it is characterised in that：Each telescopic rod unit is also wrapped Include one be fixed in respective pushing arm rear and backward extension be placed on the respective protection sleeve pipe pushed outside axostylus axostyle, and one Slippingly it is placed on before and after energy outside pivot joint section and the front and rear tune of energy moves positioningly to be spirally connected and is installed on the spacing block piece of the protection sleeve pipe, It is to be located in the protection sleeve pipe and can be abutted against with respect to shifting after the protection sleeve pipe spacing in the spacing block piece that this, which leans section,.

4. the two-period form positioner of the tooth machining unit according to claim 1,2 or 3, it is characterised in that：Each fixture unit It can be installed on to left and right displacement on the pedestal and be pivoted for chuck body, a level for the clamping nut component with one Cranked arm in the swing arm of the pedestal, and a horizontal pivot located at the transmission between the swing arm, the chuck body and the pushing arm, the swing arm It is pivoted with one and is positioned at the first end of pedestal, and a second end tiltedly extended afterwards towards another fixture unit, the biography Dynamic crank arm is located between the chuck body and the swing arm, the turning point with a second end for being articulated in the swing arm, and End and one second are driven from the turning point towards one first of the chuck body and the pushing arm projection respectively angle degree End is driven, and the first transmission end is to be articulated in the chuck body, the second transmission end is to be articulated in the pushing arm.

5. the two-period form positioner of tooth machining unit according to claim 4, it is characterised in that：The pedestal supplies institute including one State fixture unit installation pedestal portion, and two or so compartment of terrains from the pedestal portion up projection and respectively be located at the swing arm before The stop section of side, the stop section can be for the swing arm positioned at half clamped condition and the fixture unit of the packing state Swing to forward respectively spacing.

6. the two-period form positioner of tooth machining unit according to claim 1, it is characterised in that：The clamping drive mechanism includes One be fixed on the pedestal clamp driver, and one be installed on the clamp driver and can be driven by the clamp driver and The moving part moved forward and backward with respect to the pedestal, the axostylus axostyle that pushes can be articulated in respectively with end thereafter left and right horizontal pivot pendulum The moving part, and can be driven and the relatively described elastic displacement of pushing arm by the moving part.

7. the two-period form positioner of tooth machining unit according to claim 1, it is characterised in that：Also this is installed on comprising one The Ding Zheng mechanisms of pedestal, the Ding Zheng mechanisms can be activated and pushing tow is by crooked nut being interposed between the fixture unit forward Component.

8. the two-period form positioner of tooth machining unit according to claim 7, it is characterised in that：The Ding Zheng mechanisms include one It is fixed on the positive driver in top of the pedestal, and one is connected in the positive driver in the top and can be by the positive driver driving in the top What reach abutted against in the fixture unit to be bulldozed the nut component rushes rod.