CN206123364U - Burr -grinding machine's anchor clamps - Google Patents

Abstract

The utility model discloses a burr -grinding machine's anchor clamps, including the anchor clamps mounting panel, be equipped with hold assembly, fluctuation mechanism, universal relocation mechanism and elevating system on the anchor clamps mounting panel, the anchor clamps mounting panel is used for being connected with burr -grinding machine's inversion mechanism, the hold assembly is used for holding workpiece, universal relocation mechanism is located between work piece and the hold assembly to it produces the follow -up to the hold assembly to all directions to make the work piece receive the external force time phase, fluctuation mechanism is connected with the hold assembly to fluctuate when making the hold assembly receive vertical external force, elevating system is used for driving hold assembly, fluctuation mechanism and universal relocation mechanism up -and -down motion. The centre gripping to the work piece can not only be realized to this kind of anchor clamps, can also avoid the work piece to produce the follow -up when receiving external force, and can be applicable to the burr -grinding machine who has carousel formula inversion mechanism. Furthermore, the utility model discloses still disclose the burr -grinding machine of these anchor clamps of application.

Description

A kind of fixture of flash trimmer

Technical field

The utility model is related to machining technology field, more particularly to a kind of flash trimmer and its fixture.

Background technology

For flash trimmer, it is necessary first to clamp workpiece, the burr on grinding mechanism grinding work piece is recycled. Therefore, fixture is the important component part of flash trimmer.

Fig. 1 is refer to, Fig. 1 is a kind of structural representation of fixture in prior art.

The fixture drives the pressure point of both sides to be rotated in place simultaneously by the driving of cylinder 2 ', realizes Bidirectional clamping.Clamp shape During state, cylinder 2 ' is in retracted mode, and when clamping unit (i.e. benchmark gripping block 7 ' and gripping block 8 ') is opened, cylinder rod is stretched Go out, connecting rod 3 ' is moved upwardly together with cylinder head tie point, due to being to be flexibly connected between turning arm 4 ' and connecting rod 3 ', so as to revolve Pivoted arm 4 ' opens certain angle in the presence of connecting rod 3 ' around the point of rotation of itself, is that upper part, pickup reserve enough spaces.

Hinge type fixture of the prior art can pass through the elongation of cylinder and shorten clamping, release of the realization to workpiece, Simple structure and easy to operate.But, during the clamp workpiece, the position of workpiece is completely fixed, when grinding mechanism is to workpiece When being ground, because the reasons such as machining accuracy are inevitably generated the additional external force in addition to grinding force, due to workpiece position Put and be completely fixed, now grinding mechanism is contacted firmly with workpiece, hard friction is produced therebetween, cause surface of the work to produce unnecessary Damage.

In view of this, it would be highly desirable to for above-mentioned technical problem, the fixture of optimization design flash trimmer of the prior art, so that Workpiece can be servo-actuated under the additional external force of grinding mechanism in grinding process, it is to avoid workpiece produces unnecessary abrasion, improve work The quality of part.

Utility model content

The purpose of this utility model is to provide a kind of fixture of flash trimmer, so that workpiece can be in grinding in grinding process It is servo-actuated under the additional external force of mechanism, it is to avoid workpiece produces unnecessary abrasion, improves the quality of workpiece.Additionally, the utility model Another object be that a kind of flash trimmer of the application fixture is provided.

To solve above-mentioned technical problem, the utility model provides a kind of fixture of flash trimmer, including fixture installing plate, institute State fixture installing plate and be provided with hold assembly, mechanism of fluctuating, universal floating mechanism and elevating mechanism；

The fixture installing plate is used to be connected with the inversion mechanism of the flash trimmer；

The hold assembly is used for clamping workpiece；

The universal floating mechanism is located between the workpiece and the hold assembly, during so that the workpiece being subject to external force Relatively described hold assembly produces servo-actuated to all directions；

The mechanism of fluctuating is connected with the hold assembly, so that the hold assembly is by upper and lower during vertical external force Float；

The elevating mechanism is used to drive the hold assembly, mechanism and the universal floating mechanism of fluctuating Lower reciprocating motion.

This fixture can not only realize the clamping to workpiece, moreover it is possible to avoid workpiece from producing when by external force servo-actuated, and energy Suitable for the flash trimmer with rotating disc type inversion mechanism.

Preferably, the hold assembly includes two pawl cylinders, and the first jaw of the two pawls cylinder, the second jaw connect respectively The first clamping element, the second clamping element are connect, so that first clamping element, second clamping element clamp or unclamp the workpiece.

Preferably, the universal floating mechanism include bulb support member in first, bulb support member in second, and ectosphere Head support member, bulb support member in described first, bulb support member is connected with the two pawls cylinder in described second, and described Bulb support member top braces are in the lower section of the workpiece in first and are provided with the connector a for forward extending out, the connector a It is connected with bulb support member in described second；

The ectosphere head support member is bending plate, and the bending plate lower section is connected with the mechanism of fluctuating, top sets Bulb support member lower section, bulb is provided with described first between bulb support member, the ectosphere head support member in described first, Form spherical pair.

Preferably, the first vertical back-moving spring is provided between the two pawls cylinder head and the ectosphere head support member.

Preferably, horizontal reset spring is provided between bulb support member and ectosphere head support member in described first.

Preferably, the mechanism of fluctuating includes the vertical float seat being connected with the ectosphere head support member, Yi Jishe Vertical float spring between the vertical float seat, the elevating mechanism, the vertical float seat and the elevating mechanism Between be provided with vertical float gap.

Preferably, elastic reset pin is provided between the two pawls cylinder bottom and the vertical float seat, the elasticity is multiple The upper end of position pin, lower end are respectively arranged in the installing hole at the top of the installing hole of the two pawls cylinder bottom, the vertical float seat In.

Preferably, the elevating mechanism includes lifting drive, the lifting shaft being connected with the lifting drive；Institute Lifting shaft is stated positioned at the hold assembly, the lower section of fluctuate mechanism and the universal floating mechanism.

Preferably, be provided with rigid stop pin between the vertical float seat, the lifting shaft, the rigid stop pin it is upper End, lower end are respectively arranged in the installing hole at the top of the installing hole of the vertical float seat bottom, the lifting shaft.

Preferably, floating attachment, the floating attachment are also associated between the vertical float seat, the lifting shaft With the first locking spring for being compressed is provided with the down suction between the lifting shaft.

Preferably, it is provided with axially extending first straight line axle in the lifting shaft and the radial clearance of the vertical float seat Hold, so that the lifting shaft forms the first sliding pair for sliding axially with the vertical float seat.

Preferably, the elevating mechanism also includes bearing (ball) cover and the bearing sleeve being connected with the fixture installing plate, institute Sleeve set is stated in the outside of the lifting shaft and formed by second straight line bearing and the lifting shaft slide axially the Two sliding pairs.

Preferably, the inside of the lifting shaft is also threaded with adjustable float seat, and the adjustable float seat top abuts The vertical float spring, bottom is circumferentially with handle hole, and the circumferential of the lifting shaft sets in being correspondingly arranged for the handle hole There is the through hole of multiple inside and outside insertions.

Preferably, the resetting means that elevating mechanism is resetted is additionally provided between the elevating mechanism and installing plate.

Preferably, the resetting means includes stud and the second vertical back-moving spring being set in outside the stud, institute The top for stating stud is connected through the fixture installing plate with the top of the lifting shaft, and the second vertical back-moving spring is located at Between the fixture installing plate, the nut of the stud.

Description of the drawings

Fig. 1 is the structural representation of the fixture of flash trimmer in prior art；

Fig. 2 is provided a kind of structural representation of specific embodiment of the fixture of flash trimmer by the utility model；

Fig. 3 is the explosive view of Fig. 2；

Fig. 4 is the top view of Fig. 1；

Fig. 5 is A-A direction views in Fig. 4；

Fig. 6 is B-B direction view in Fig. 4；

Fig. 7 is C-C direction views in Fig. 4；

Fig. 8 is the structural representation of bulb support member in first in Fig. 1；

Fig. 9 is the structural representation of Fig. 1 China and foreign countries bulb support member；

Figure 10, Figure 11 are respectively the view of two angles of vertical float seat in Fig. 1；

Figure 12 is the structural representation of lifting shaft in Fig. 1；

Figure 13 is the structural representation of floating attachment in Fig. 1；

Figure 14 is the structural representation of adjustable float seat in Fig. 1.

Wherein,

Fixture installing plate 61；

Hold assembly 62；First jaw 621；Second jaw 622；First clamping element 623；Second clamping element 624；

Universal floating mechanism 63；Bulb support member 631 in first；Connector 631a；Bulb support member 632 in second；Outward Bulb support member 633；Bulb 634；First vertical back-moving spring 635；Horizontal reset spring 636；

Fluctuate mechanism 64；Vertical float seat 641；Vertical float spring 642；Vertical float gap 643；Elastic reset Pin 644；

Elevating mechanism 65；Lifting shaft 651；Rigid stop pin 652；Floating attachment 653；First locking spring 654；First Linear bearing 655；Second straight line bearing 656；Adjustable float seat 657；Handle hole 658；Through hole 659；Second locking spring 6510；

Resetting means 66；Stud 661；Second vertical back-moving spring 662；

Workpiece 500；Lug boss 501.

Specific embodiment

Core of the present utility model is to provide a kind of fixture of flash trimmer, and workpiece can be in grinding process for the fixture It is servo-actuated under the additional external force of grinding mechanism, it is to avoid workpiece produces unnecessary abrasion, improves the quality of workpiece.Additionally, this practicality New another core is to provide a kind of flash trimmer of the application cutting agency.

In order that those skilled in the art more fully understands the technical solution of the utility model, below in conjunction with the accompanying drawings and tool The utility model is described in further detail for body embodiment.It should be noted that the herein presented noun of locality " forward and backward, It is left and right, upper and lower " as shown in Figure 1.It should be appreciated that these nouns of locality are defined by Figure of description and are set up, they go out Now should not affect to be construed as limiting the protection domain of the application.

Fig. 1 is refer to, Fig. 1 is provided a kind of specific embodiment of the cutting agency of flash trimmer by the utility model Structural representation.

In a kind of specific embodiment, as shown in figure 1, the utility model provides a kind of fixture of flash trimmer, the folder Tool includes fixture installing plate 61, and the fixture installing plate 61 is provided with hold assembly 62, mechanism 64 of fluctuating, universal floating machine Structure 63 and elevating mechanism 65.

The fixture installing plate 61 is used to be connected with the inversion mechanism of the flash trimmer, when the inversion mechanism of flash trimmer During transposition, fixture replaces together with inversion mechanism, so as to workpiece 500 is transported to into another station from a station.The clamping Part 62 is used for clamping workpiece 500.The universal floating mechanism 63 is located between workpiece 500 and the hold assembly 62, so that Workpiece 500 can relatively described hold assembly 62 produce to all directions it is servo-actuated, so as to be avoided that workpiece 500 in grinding process with Grinding mechanism produces hard friction and is damaged.Additionally, grinding mechanism will necessarily apply when being ground to workpiece 500 to workpiece 500 Downward vertical pressure, with workpiece pressing 500, to ensure the ground effect to workpiece 500, now connects with the hold assembly 62 The mechanism 64 of fluctuating for connecing, can drive workpiece 500 servo-actuated downwards, it is to avoid hard friction when grinding mechanism is ground to workpiece 500 And burn out workpiece 500.Additionally, the elevating mechanism 65 is used to drive the hold assembly 62, the and of mechanism 64 that fluctuates The universal floating mechanism 63 pumps.Specifically, when the rotating disk of flash trimmer is rotated, the elevating mechanism 65 is in Low level, to avoid clamping device and feed mechanism, grinding mechanism, shaving mechanism and cutting agency etc. from interfering, when rotating disk pauses, Namely fixture, when corresponding to each station, clamping device to be raised up to elevating mechanism 65 operating position of each station, is convenient for each Station operation.

From above-mentioned working condition, this fixture can not only realize the clamping to workpiece 500, moreover it is possible to avoid workpiece 500 Produce when by external force and be servo-actuated, and can be suitably used for the flash trimmer with rotating disc type inversion mechanism.

In specific scheme, as shown in Figure 2 and Figure 3, above-mentioned hold assembly 62 can be specially two pawl cylinders, two pawl First jaw 621 of cylinder, the second jaw 622 connect respectively the first clamping element 623, the second clamping element 624, and the two is clamped or pine Go into operation part 500.

Can pass through the folding reality of the first jaw 621 of control, the second jaw 622 as hold assembly 62 using two pawl cylinders Existing first clamping element 623, the folding of the second clamping element 624, so as to clamping workpiece 500 or unclamping workpiece 500.

In another kind of specific embodiment, as shown in Fig. 2,3,6,8 and Fig. 9, above-mentioned universal floating mechanism 63 includes first Bulb support member 632 in interior bulb support member 631, second, and ectosphere head support member 633, bulb support member in described first 631st, bulb support member 632 is connected with the two pawls cylinder in described second, and the top of bulb support member 631 in described first It is supported in the lower section of the workpiece 500 and is provided with the connector for forward extending out, bulb is supported in the connector and described second Part 632 connects；

The ectosphere head support member 633 is bending plate, bending plate lower section is connected with the mechanism 64 of fluctuating, on Side is located at the lower section of bulb support member in described first 631, bulb support member 631, the ectosphere head support member 633 in described first Between be provided with bulb 634, form spherical pair.

Using this structure, the bulb 634 in first between bulb support member 631 and ectosphere head support member 633 can make work Part 500 is servo-actuated in all directions relative to two pawl cylinders, it is ensured that servo-actuated freedom.In first bulb support member 631 by with Two pawl cylinders, bulb support member 632 connects in second, realizes the stable support to the bottom of workpiece 500.

In another kind of specific embodiment, as shown in figure 3, the two pawls cylinder head and the ectosphere head support member The first vertical back-moving spring 635 is provided between 633.

Workpiece 500 can be slightly pushed during due to grinding process or shaving technique, is worked as using the first vertical back-moving spring 635 External force makes workpiece 500 reset rapidly after disappearing, it is ensured that the positional accuracy of workpiece 500.Specifically, can be in outer bulb support member 633 bottom arranges installing hole so that the top of the first vertical back-moving spring 635 is in the installing hole, bottom is directly against two On the top surface of pawl cylinder.So, the overall structure without the need for changing two pawl cylinders is capable of achieving to the first vertical back-moving spring 635 Install.It is of course also possible to further in the top surface also processing mounting holes of two pawl cylinders, by the bottom of the first vertical back-moving spring 635 Portion is installed on wherein, in such manner, it is possible to stably install to the two ends of the first vertical back-moving spring 635.

Additionally, horizontal reset spring 636 is provided with first between bulb support member 631 and ectosphere head support member 633.

Because plain grinding mechanism can apply circumferential grinding force in grinding process to workpiece, and ectosphere head support member 633 is outstanding Arm girder construction, therefore, grinding process China and foreign countries bulbs support member 633 inevitably produces horizontal footpath relative to hold assembly 62 To motion, the athletic meeting compression level back-moving spring 636, horizontal reset spring 636 acts on ectosphere head support member 633.When flat The external force that grinding machine structure applies to workpiece disappears, and horizontal reset spring 636 resets rapidly in the presence of its own elastic force, and then band Dynamic ectosphere head support member 633 resets again, so as to keep the position of bulb support member 631 in ectosphere head support member 633 and first Stability.

In another kind of specific embodiment, as shown in Fig. 3, Fig. 5, Fig. 7, Figure 10 and Figure 11, mechanism 64 of fluctuating wraps The vertical float seat 641 being connected with the ectosphere head support member 633 is included, and located at the vertical float seat 641, the lifting Vertical float spring 642 between mechanism 65, between the vertical float seat 641 and the elevating mechanism 65 vertical float is provided with Gap 643.

Using this structure, when grinding mechanism or shaving mechanism apply downward external force to workpiece 500, compression is vertical floating Move spring 642 so that vertical float seat 641 is moved down；When external force disappears, vertical float spring 642 is due to its own elastic force Promote the return upwards of vertical float spring 642.As can be seen here, the employing mechanism 64 of fluctuating can make workpiece 500 by perpendicular Fluctuate during straight external force, play cushioning effect, can reset rapidly again.Specifically, the vertical float gap 643 can be 5mm, Certainly, vertical float gap 643 can also adopt other numerical value.

Further in scheme, with reference to Fig. 3, Fig. 5, between above-mentioned two pawls cylinder bottom and the vertical float seat 641 Elastic reset pin 644 is provided with, the upper end of the elastic reset pin 644, lower end are respectively arranged in the peace of the two pawls cylinder bottom In dress hole, the installing hole at the top of the vertical float seat 641.

Because the emery wheel of grinding mechanism is ground by circular motion to workpiece 500, thus can drive two pawl cylinders with Certain circular motion is produced between vertical float seat 641, the elastic reset pin 644 under circular motion effect its upper end, Lower end produces certain moment of torsion, and after grinding terminates, the elastic reset pin 644 of deformation is made using the rapid resilience of its own elasticity Obtain moment of torsion to disappear, set back between two pawl cylinders and vertical float seat 641 so as to drive.Specifically, the elastic reset pin 644 Can be made up of rubber, it is, of course, also possible to be made up of other materials such as the less rubber of hardness.

As can be seen here, the elastic reset pin 644 and the combination of both horizontal reset springs 636, can work as on fixture Each parts are produced and resetted rapidly after horizontal rotation motion, so as to ensure the job stability of fixture.

In another kind of specific embodiment, as shown in Fig. 3, Fig. 5 and Figure 12, above-mentioned elevating mechanism 65 includes that lifting drives Device, the lifting shaft 651 being connected with the lifting drive；The lifting shaft 651 be located at the hold assembly 62, it is described on Lower relocation mechanism 64 and the lower section of the universal floating mechanism 63.

Using this structure, lifting drive drive lifting shaft 651 rise or fall, so as to drive hold assembly 62, Fluctuate mechanism 64 and universal floating mechanism 63 rises or falls.

In specific scheme, rigid stop pin 652, institute are provided between above-mentioned vertical float seat 641, the lifting shaft 651 State installing hole, the lifting shaft that the upper end of rigid stop pin 652, lower end are respectively arranged in the bottom of vertical float seat 641 In the installing hole at 651 tops.

When the trend with circular motion between vertical float seat 641, lifting shaft 651, due to rigid stop pin 652 Upper/lower terminal is respectively arranged in vertical float seat 641, the installing hole of lifting shaft 651, therefore the rigid stop pin 652 can The carrying out of the circular motion is prevented, so as to play a part of anti-rotation, the job stability of fixture is further ensured that.Should by arranging Rigid stop pin 652 and vertical float seat 641, the gap of the installing hole of lifting shaft 651, can adjust the effect of anti-rotation.Gap Arrange less, the angle of the circular motion for being allowed is less, i.e. the angle of circular motion generation very little cannot be further continued for rotating； Gap arranges bigger, then the angle of the circular motion for allowing is bigger, i.e. one bigger angle of circular motion could stop.

In another kind of specific embodiment, as shown in Fig. 3, Fig. 7 and Figure 13, above-mentioned vertical float seat 641, the lifting shaft Floating attachment 653 is also associated between 651, be provided between the floating attachment 653 and the lifting shaft 651 it is vertical between Gap, is provided with the locking spring 654 of first for being compressed between the lifting gap.

The floating attachment 653 can be connected in one vertical float seat 641, lifting shaft 651.Due to vertical float seat 641 can fluctuate in the course of the work relative to lifting shaft 651, and the down suction allows the carrying out of the elevating movement just. However, after vertical float seat 641 is repeated several times and fluctuates, floating attachment 653 can be inevitably generated loosening, very To coming off, the first locking spring 654 of the compression can be by the jack-up upwards of floating attachment 653, so that floating attachment 653 begins Connect vertical float seat 641 and lifting shaft 651 eventually, it is ensured that the job stability of fixture.

Specifically, the floating attachment 653 can be bolt or screw, its nut be installed on down vertical float seat 641, In the corresponding screwed hole of lifting shaft 651；Additionally, the floating attachment 653 can also be alignment pin or other connectors 631a.

Further in scheme, as shown in figure 5, passing through axle between above-mentioned lifting shaft 651 and the vertical float seat 641 The first sliding pair is formed to the first straight line bearing 655 for arranging.

Because the daily per tour of flash trimmer is ground 8000 parts, 16000 are ground within one day altogether, grinding is required for vertical floating Dynamic seat 641 floats one on the other, so many to slide repeatedly, can cause the serious wear of vertical float seat 641.Arrange this first After linear bearing 655, the abrasion being avoided that between vertical float seat 641 and lifting shaft 651 greatly improves vertical float seat 641st, the service life of lifting shaft 651.Specifically, the first straight line bearing 655 could be arranged to ball bearing, so as to slide Pair is changed into rolling pair, further reduces the frictional force of the two.

In similar scheme, above-mentioned elevating mechanism 65 also includes bearing (ball) cover and the axle being connected with the fixture installing plate 61 Bearing sleeve cylinder, the sleeve set is in the outside of the lifting shaft 651 and by second straight line bearing 656 and the lifting shaft 651 Form the second sliding pair.

Using this structure, second straight line bearing 656 can reduce the frictional force in the lifting process of lifting shaft 651, it is to avoid Its serious wear because of multiple lifting, so as to greatly prolong the service life of lifting shaft 651.

In another kind of specific embodiment, as shown in figure 5, the inside of above-mentioned lifting shaft 651 is also threaded with adjustable floating Dynamic seat 657, the top of the adjustable float seat 657 abuts the vertical float spring 642, and bottom is circumferentially with handle hole 658, institute State the circumferential through hole 659 that is provided with multiple inside and outside insertions of being correspondingly arranged in the handle hole 658 of lifting shaft 651.

For the fixture, the decrement of vertical float spring 642 determines the size of vertical float power, if do not set Adjustable float seat 657 is put, the vertical range between the top of lifting shaft 651 and vertical float seat 641 is fixed, if installation and debugging Find that vertical float power is excessive or too small, then need all to remove all parts, then by the cutting of vertical float spring 642 in journey Make it shorten or change slightly longer vertical float spring 642, so as to reach the purpose for adjusting vertical float power.Arranging this can After adjusting floating seat 657, then operating personnel can rotate adjustable float seat 657 by through hole 659, handle hole 658, drive and it The lifting shaft 651 of threaded connection rises or falls, vertical between the top of lifting shaft 651 and vertical float seat 641 so as to adjust Distance, and then the decrement of vertical float spring 642 is adjusted, play a part of to adjust vertical float power.

As can be seen here, the adjustable float seat 657 can greatly reduce the operation of adjustment vertical float power, it is ensured that fixture operation letter Single, convenience.

In further scheme, as shown in figure 3, second is additionally provided between the above-mentioned bottom of adjustable float seat 657 and base preventing Loose spring 6510.

The second locking spring 6510 can avoid adjustable float seat 657 from loosening or come off from the inside of lifting shaft 651, from And it is further ensured that the job stability of adjustable float seat 657.

In another kind of specific embodiment, as shown in Fig. 3,5, it is additionally provided between above-mentioned elevating mechanism 65 and installing plate multiple Position device 66.

Specifically, the resetting means 66 includes stud 661 and the second vertical reset bullet being set in outside the stud 661 Spring 662, the top of the stud 661 is connected through the fixture installing plate 61 with the top of the lifting shaft 651, and described second Vertically back-moving spring 662 is located between the fixture installing plate 61, the nut of the stud 661.

Using this structure, when lifting drive drives lifting shaft 651 to rise, the distance between installing plate reduces, Second vertical back-moving spring 662 is compressed；When lifting drive is released to the driving force of lifting shaft 651, second vertically resets Spring 662 can rapidly be extended using its own elastic force, be resetted so as to drive lifting shaft 651 to decline rapidly.Specifically, the stud 661 top directly can be connected with the top of lifting shaft 651, it is also possible to be connected with the top of lifting shaft 651 indirectly.Additionally, this is multiple Position device 66 simultaneously not only limits this structure, can also adopt other structures.

A kind of flash trimmer provided by the utility model and its fixture are described in detail above.It is used herein Specific case is set forth to principle of the present utility model and embodiment, and the explanation of above example is only intended to help Understand method of the present utility model and its core concept.It should be pointed out that for those skilled in the art, On the premise of without departing from the utility model principle, some improvement and modification can also be carried out to the utility model, these improve and Modification is also fallen in the utility model scope of the claims.

Claims (15)

1. a kind of fixture of flash trimmer, it is characterised in that including fixture installing plate (61), set on the fixture installing plate (61) There are hold assembly (62), mechanism of fluctuating (64), universal floating mechanism (63) and elevating mechanism (65)；

The fixture installing plate (61) with the inversion mechanism of the flash trimmer for being connected；

The hold assembly (62) is for clamping workpiece (500)；

The universal floating mechanism (63) is between the workpiece (500) and the hold assembly (62), so that the workpiece (500) produced to all directions by relatively described hold assembly (62) during external force servo-actuated；

The mechanism of fluctuating (64) is connected with the hold assembly (62), so that the hold assembly (62) is by vertically outer Fluctuate during power；

The elevating mechanism (65) is for driving the hold assembly (62), the mechanism of fluctuating (64) and described universal floating Motivation structure (63) pumps.

2. the fixture of flash trimmer according to claim 1, it is characterised in that the hold assembly (62) is including two pawl gas Cylinder, first jaw (621) of the two pawls cylinder, the second jaw (622) connect respectively the first clamping element (623), the second clamping Part (624), so that first clamping element (623), second clamping element (624) clamp or unclamp the workpiece (500).

3. the fixture of flash trimmer according to claim 2, it is characterised in that the universal floating mechanism (63) includes Bulb support member (631) in one, bulb support member (632) in second, and ectosphere head support member (633), ball in described first Head support member (631), bulb support member (632) is connected with the two pawls cylinder in described second, and bulb in described first Support member (631) top braces are in the lower section of the workpiece (500) and are provided with the connector (631a) for forward extending out, the company Fitting (631a) is connected with bulb support member (632) in described second；

The ectosphere head support member (633) is bending plate, bending plate lower section is connected with the mechanism of fluctuating (64), on Located at bulb support member (631) lower section in described first, bulb support member (631), the outer bulb are supported in described first for side Bulb (634) is provided between part (633), spherical pair is formed.

4. the fixture of flash trimmer according to claim 3, it is characterised in that the two pawls cylinder head and the ectosphere The first vertical back-moving spring (635) is provided between head support member (633).

5. the fixture of flash trimmer according to claim 3, it is characterised in that bulb support member (631) in described first Horizontal reset spring (636) is provided between ectosphere head support member (633).

6. the fixture of the flash trimmer according to any one of claim 3-5, it is characterised in that the mechanism of fluctuating (64) the vertical float seat (641) being connected with the ectosphere head support member (633) is included, and located at the vertical float seat (641), the vertical float spring (642) between the elevating mechanism (65), the vertical float seat (641) and the lift Vertical float gap (643) is provided between structure (65).

7. the fixture of flash trimmer according to claim 6, it is characterised in that the two pawls cylinder bottom is vertical with described Elastic reset pin (644) is provided between floating seat (641), the upper end of the elastic reset pin (644), lower end are respectively arranged in institute In stating the installing hole at the top of the installing hole of two pawl cylinder bottoms, the vertical float seat (641).

8. the fixture of flash trimmer according to claim 6, it is characterised in that the elevating mechanism (65) includes that lifting is driven Dynamic device, the lifting shaft being connected with the lifting drive (651)；The lifting shaft (651) is positioned at the hold assembly (62), the lower section of the mechanism of fluctuating (64) and the universal floating mechanism (63).

9. the fixture of flash trimmer according to claim 8, it is characterised in that the vertical float seat (641), the liter Rigid stop pin (652) is provided between drop axle (651), the upper end of the rigid stop pin (652), lower end are respectively arranged in described In installing hole at the top of the installing hole of vertical float seat (641) bottom, the lifting shaft (651).

10. the fixture of flash trimmer according to claim 8, it is characterised in that the vertical float seat (641), described Be also associated with floating attachment (653) between lifting shaft (651), the floating attachment (653) and the lifting shaft (651) it Between down suction in be provided with the locking spring of first for being compressed (654).

The fixture of 11. flash trimmers according to claim 8, it is characterised in that the lifting shaft (651) is vertical with described Axially extending first straight line bearing (655) is provided with the radial clearance of floating seat (641) so that the lifting shaft (651) with The vertical float seat (641) forms the first sliding pair for sliding axially.

The fixture of 12. flash trimmers according to claim 8, it is characterised in that the elevating mechanism (65) also include with The bearing (ball) cover and bearing sleeve of fixture installing plate (61) connection, the sleeve set is in the outer of the lifting shaft (651) Side and the second sliding pair slid axially with the lifting shaft (651) formation by second straight line bearing (656).

The fixture of 13. flash trimmers according to claim 8, it is characterised in that the inside also spiral shell of the lifting shaft (651) Line is connected with adjustable float seat (657), and adjustable float seat (657) top abuts the vertical float spring (642), bottom Handle hole (658) is circumferentially with, the circumference of the lifting shaft (651) is being provided with many with the correspondence position of the handle hole (658) The through hole (659) of individual inside and outside insertion.

The fixture of 14. flash trimmers according to claim 13, it is characterised in that the elevating mechanism (65) and installing plate Between be additionally provided with cause elevating mechanism (65) reset resetting means (66).

The fixture of 15. flash trimmers according to claim 14, it is characterised in that the resetting means (66) is including stud (661) and the second outside vertical back-moving spring (662) of the stud (661) is set in, the top of the stud (661) passes through The fixture installing plate (61) is connected with the top of the lifting shaft (651), and the second vertical back-moving spring (662) is located at institute State between fixture installing plate (61), the nut of the stud (661).