CN206200361U - Glasses accessory precise laser cutting machine fixture - Google Patents

Abstract

A kind of glasses accessory precise laser cutting machine fixture that the utility model is provided, it is related to Laser cutting equipment technical field, including for clamping first holder and second holder of the work piece with respect to both sides respectively, first holder and the second holder include a crossbeam and at least two clamping plates respectively, each described clamping plate is respectively arranged with a guiding mechanism and a drive mechanism, guiding mechanism is used to keep the lower surface of clamping plate opposing parallel with respect to the upper surface of crossbeam, and drive mechanism is used to drive clamping plate to make elevating movement above crossbeam to clamp work piece；The fixture that the utility model is provided, clamping plate on the crossbeam of the first holder and the second holder is at least more than two, the clamping plate of at least more than two clamps the same side of work piece with beam engagement, so that work piece is clamped by different clamping plates with one side different zones with beam engagement, so that work piece is relatively uniform with each region stress in one side, clamping is more consolidated, and improves machining accuracy.

Description

Glasses accessory precise laser cutting machine fixture

Technical field

The utility model is related to Laser cutting equipment technical field, more particularly to glasses accessory precise laser cutting machine Fixture.

Background technology

Laser cutting is the laser that will launch from laser, through light path system, is focused into the laser beam of high power density. Laser beam is irradiated to workpiece surface, workpiece is reached fusing point or boiling point, while the gases at high pressure coaxial with light beam will melt or gas Change metal to blow away.With the movement of light beam and workpiece relative position, material is finally set to form joint-cutting, so as to reach the mesh of cutting 's.

Laser cutting is to instead of traditional mechanical blades with sightless light beam, and with high precision, cutting is quick, no Cutting pattern limitation is confined to, Automatic Typesetting material-saving, otch is smoothed, and the low feature of processing cost will gradually be improved or taken In generation, is in traditional metal cutting processes equipment.The mechanical part of laser probe is contactless with workpiece, at work will not be to workpiece Cause to scratch in surface；Laser cutting speed is fast, and smooth cut is smooth, typically without following process；Cutting heat affected area is small, sheet material Deformation is small, and joint-cutting is narrow (0.1mm~0.3mm)；Otch does not have mechanical stress, without shear burr；Machining accuracy is high, reproducible, Not attacking material surface；Numerical control programming, can process arbitrary plan, and whole plate that can be very big to breadth is cut, without die sinking Tool, it is economical time saving.

In view of more than, the cutting processing of glasses accessory is generally by laser cutting realization, but traditional cutting folder Tool needs to be improved on processing stability is ensured.Laser cutting machine is used for the accurate cutting of glasses accessory, to the folder of cutting machine Tool require it is of a relatively high, at present, laser cutting machine, for the laser cutting of glasses accessory, its fixture include respectively clamping processing Sheet material is constituted with respect to the holder on both sides, and traditional holder is made up of lower grip block and upper grip block, lower grip block and upper folder It is all monoblock strip sheet material to hold plate, and upper grip block can relatively descend grip block to make lifting fortune under guiding and drive mechanism effect It is dynamic, to clamp processing sheet material；But traditional holder, its upper and lower grip block is all monoblock strip sheet material, it was being clamped Cheng Zhong, accommodates plate each several part region stress and is difficult to relative equilibrium so that work piece is clamped built on the sand, influences machining accuracy；Pass The fixture of system, when especially the sheet material to thinner thickness cuts, larger local its clamped stress of sheet material relative distance Typically distinguish larger, particularly influence machining accuracy.

Utility model content

The utility model is intended at least solve one of above-mentioned technical problem of the prior art to a certain extent.

Therefore, the purpose of this utility model is to propose a kind of glasses accessory precise laser cutting machine fixture so that in folder When holding workpiece, each clamped region stress equalization of workpiece, to provide machining accuracy.

According to a kind of glasses accessory precise laser cutting machine fixture that the utility model is provided, including for clamping quilt respectively With respect to first holder and the second holder on both sides, first holder and second holder include workpiece respectively One crossbeam and at least two clamping plates, each described clamping plate are respectively arranged with a guiding mechanism and a drive mechanism, the Guiding machine The upper surface that structure is used to keep the relatively described crossbeam in lower surface of the clamping plate is opposing parallel, and the drive mechanism is used to drive institute Clamping plate is stated to make elevating movement above the crossbeam to clamp the work piece.

The laser cutting machine clamp that the utility model is provided, the first holder and the second holder, the clamping plate on its crossbeam At least more than two, when the first holder or the second holder clamping work piece one side, at least more than two Clamping plate and beam engagement clamp the same side of work piece, so so that work piece passes through with one side different zones Different clamping plates are clamped with beam engagement so that work piece is relatively uniform with each region stress in one side, and clamping is more consolidated, and are improved The machining accuracy of cutting machine；Especially when the work piece of thinner thickness is processed, same side different zones are by difference Clamping plate and beam engagement clamp so that there is uniform stress in each region of workpiece so that workpiece clamping is firm, carries significantly Machining accuracy high；Fixture of the present utility model, is especially suitable for eye glass frame etc cutting processing high to cutting accuracy requirement, The machining accuracy of demand has been reached, the qualification rate of product has been improve.

According to the laser cutting machine clamp that the utility model is provided, it can also have following additional technical characteristic.

According to some embodiments of the present utility model, the guiding mechanism includes the first relative guide and the second guiding Part；First guide includes a clutch shaft bearing and one first guide rod, and the clutch shaft bearing is fixed on the crossbeam, described the One guide rod is equipped with can be slided up and down in the clutch shaft bearing and relatively described clutch shaft bearing, first guide rod it is another One end extends one first receiving hole for being fixed on the clamping plate along the direction perpendicular to the crossbeam upper surface；Described second is oriented to Part includes a second bearing and one second guide rod, and the second bearing is fixed on the crossbeam, and second guide rod coordinates Being arranged at the second bearing and relatively described second bearing can slide up and down, and the other end of second guide rod is along perpendicular to institute The direction for stating crossbeam upper surface extends one second receiving hole for being fixed on the clamping plate.

According to some embodiments of the present utility model, the drive mechanism includes the gas for being fixed on the crossbeam lower surface Cylinder, the output shaft of the cylinder is planted through a through hole of the crossbeam and is fixed in a fixing hole of the clamping plate, so that institute State clamping plate drives the clamping plate to make elevating movement above the crossbeam when the output shaft moves up and down.

According to some embodiments of the present utility model, at least two clamping plates be strip structure clamping plate, it is described at least Two clamping plates abut against the top for being arranged at the crossbeam along the length direction of the crossbeam from beginning to end successively.

According to some embodiments of the present utility model, the crossbeam of the crossbeam of first holder and second holder Relative side is extended separately down a baffle plate, is used to stop that laser spark is sputtered.

According to some embodiments of the present utility model, also including be oppositely arranged to set up first holder with it is described The first support and second support of the second holder；The first support includes one first slide bar and is arranged at first slide bar Two ends are used to support the bearing of first slide bar, be provided with first slide bar can relatively described first sliding bar One sliding block and the second sliding block；The second support includes one second slide bar and is arranged at the second slide bar two ends and is used to support institute State the bearing of the second slide bar, be provided with second slide bar can relatively described second sliding bar the 3rd sliding block and the 4th cunning Block；The two ends of the first holder crossbeam are set up in first sliding block and the 3rd sliding block, second clamping respectively The two ends of part crossbeam are set up in second sliding block and the Four-slider respectively, so that first holder and described second Holder can the opposing parallel slip in the first support and second support.

According to some embodiments of the present utility model, also including locking member, the two ends of the crossbeam are respectively arranged with multiple Screw, first sliding block, second sliding block, the 3rd sliding block and the Four-slider and each self-corresponding crossbeam Termination be provided with corresponding screw；The spiral shell that first sliding block passes through locking member described in the termination of the corresponding crossbeam Bolt is fixed；Second sliding block is fixed with the termination of the corresponding crossbeam by the bolt of locking member described in；Described 3rd Sliding block is fixed with the termination of the corresponding crossbeam by the bolt of locking member described in；The Four-slider is described with corresponding The termination of crossbeam is fixed by the bolt of locking member described in.

Additional aspect of the present utility model and advantage will be set forth in part in the description, partly by from following description In become obvious, or by it is of the present utility model practice recognize.

Below in conjunction with the accompanying drawings and specific embodiment to it is of the present utility model specific implementation be further elaborated.

Brief description of the drawings

Fig. 1 is the overall structure diagram of the utility model fixture；

Fig. 2 is the overall structure diagram of another angle of the utility model fixture；

Fig. 3 is the side view of the utility model fixture；

Fig. 4 is the exploded view of the holder of the utility model fixture first or the second holder；

Fig. 5 is the overall structure diagram of the utility model first support or second support；

Fig. 6 is the exploded view of the utility model first support or second support.

In figure：

First holder 100；

Crossbeam 110；

Clamping plate 120,130,140；

Clutch shaft bearing 151；

Second bearing 152；

First guide rod 161；

Second guide rod 162；

First receiving hole 171；

Second receiving hole 172；

Cylinder 180；

Baffle plate 190；

Second holder 200；

Crossbeam 210；

Clamping plate 220,230,240；

Baffle plate 290；

First support 300；

First slide bar 310；

Bearing 311,312；

First sliding block 320；

Second sliding block 330；

Locking member 340,350；

Second support 400；

Second slide bar 410；

Bearing 411,412；

3rd sliding block 420；

Four-slider 430；

Locking member 440,450.

Specific embodiment

Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng The embodiment for examining Description of Drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model Limitation.

In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " suitable The orientation or position relationship of the instruction such as hour hands ", " counterclockwise " are based on orientation shown in the drawings or position relationship, merely to just Described with simplified in description the utility model, must be with specific side rather than the device or element for indicating or imply meaning Position, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.

Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Implicitly include one or more this feature.In description of the present utility model, " multiple " is meant that two or two More than, unless otherwise expressly limited specifically.

In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. term should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can Being to mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi Two connections of element internal.For the ordinary skill in the art, above-mentioned term can as the case may be understood Concrete meaning in the utility model.

Shown in reference picture 1- Fig. 4, according to a kind of glasses accessory precise laser cutting machine that the utility model embodiment is provided Fixture, including for clamping first holder 100 and second holder 200 of the work piece with respect to both sides, described first respectively Holder 100 includes crossbeam 110 and clamping plate 120,130,140；Second holder 200 include crossbeam 210 and clamping plate 220, 230th, 240, clamping plate 120,130,140 and clamping plate 220,230,240 are respectively arranged with a guiding mechanism and a drive mechanism, described Guiding mechanism be used to keep the relatively described crossbeam 110 in lower surface of the clamping plate 120,130,140 and clamping plate 220,230,240, 210 upper surface is opposing parallel, and the drive mechanism is used to drive the clamping plate 120,130,140 and clamping plate 220,230,240 Make elevating movement to clamp the work piece in the top of the crossbeam 110,210.

The laser cutting machine clamp that the utility model is provided, the first holder 100 and the second holder 200, its crossbeam 110th, the clamping plate on 210 is at least more than two, when the first holder 100 or the clamping of the second holder 200 work piece on one side When, the clamping plate of at least more than two coordinates to clamp the same side of work piece with crossbeam 110,210, in this way, making Work piece is obtained with one side different zones by different clamping plates 120,130,140 and clamping plate 220,230,240 and crossbeam 110,210 Coordinate clamping so that work piece is relatively uniform with each region stress in one side, clamping is more consolidated, there is provided the processing of cutting machine Precision；Especially process thinner thickness work piece when, same side different zones by different clamping plates 120,130, 140 and clamping plate 220,230,240 and crossbeam 110,210 coordinate clamping so that there is uniform stress in each region of workpiece so that Workpiece clamping is firm, substantially increases machining accuracy.Fixture of the present utility model, is especially suitable for eye glass frame etc to cutting Required precision cutting processing high, has reached the machining accuracy of demand, improves the qualification rate of product

It should be noted that in this embodiment, during work piece is clamped, bottom surface and the horizontal stroke of work piece The upper surface contact of beam 110,210, under the upper bottom surface and clamping plate 120,130,140 and clamping plate 220,230,240 of work piece End contact, when clamping plate 120,130,140 and clamping plate 220,230,240 are constantly moved down, by a line of work piece Be held on crossbeam 110,210 and clamping plate 120,130,140 and clamping plate 220, between 230,240.In clamping work piece same Bian Shi, the clamping plate 120,130,140 being arranged side by side and clamping plate 220,230,240 are simultaneously downward under the driving effect of drive mechanism Work piece is clamped in multiple clamping plates 120,130,140 and clamping plate 220,230,240 and crossbeam by movement in different regions 110th, between 210, that is to say, that only one, crossbeam 110,210, the corresponding clamping plate 120,130,140 in the top of crossbeam 110,210 And clamping plate 220,230,240 is arranged in sequence with multiple so that each region stress equalization of work piece, firm grip, improves and add Work precision.

Shown in reference picture 3 and Fig. 4, in some embodiments of the present utility model, the guiding mechanism includes relative first Guide and the second guide；First guide includes a clutch shaft bearing 151 and one first guide rod 161, the first axle Hold 151 and be fixed on the crossbeam 110, the one end fits of the first guide rod 161 are arranged at the clutch shaft bearing 151 and relatively described Clutch shaft bearing 151 can be slided up and down, and the other end of first guide rod 161 is along the direction perpendicular to the upper surface of the crossbeam 110 One first receiving hole 171 of the clamping plate 120,130,140 is fixed in extension；Second guide includes a second bearing 152 and one second guide rod 162, the second bearing 152 is fixed on the crossbeam 110, and the one end fits of the second guide rod 162 set Being placed in the second bearing 152 and relatively described second bearing 152 can slide up and down, the other end edge of second guide rod 162 Extend one second receiving hole 172 for being fixed on the clamping plate 120,130,140 perpendicular to the direction of the upper surface of the crossbeam 110.

In the embodiment, each clamping plate 120,130,140 is provided with a guiding mechanism, be used to keep each clamping plate 120, 130th, 140 lower surface is parallel to each other with respect to the upper surface of crossbeam 110 and carries out elevating movement, each clamping plate 120,130,140 Guiding mechanism include one first guide and one second guide, the first guide and the second guide it is relative be arranged on clamping plate 120th, 130,140 two ends, when clamping plate 120,130,140 makees elevating movement with respect to crossbeam 110, in the first guide rod 161 and the Under the guiding of two guide rods 162, clamping plate 120,130,140 makees vertical up and down with respect to the axis of the first guide rod 161 and the second guide rod 162 Motion, is used to clamp work piece；Wherein the first guide rod 161 and the second guide rod 162 be respectively cooperating with being arranged at clutch shaft bearing 151 and In second bearing 152, the first guide rod 161 and the second guide rod 162 can make lifting fortune with respect to clutch shaft bearing 151 and second bearing 152 It is dynamic, to keep making corresponding elevating movement with clamping plate 120,130,140.

In above-described embodiment, the guiding mechanism (depending on not going out in figure) of the second holder 200 is with identical with the first holder 100 Mode keep clamping plate 220,230,240 to be moved in the top of crossbeam 210.

Referring still to shown in Fig. 3 and Fig. 4, in some embodiments of the present utility model, the drive mechanism includes that one fixes In the cylinder 180 of the crossbeam 110,210 lower surfaces, the output shaft of the cylinder 180 leads to through the one of the crossbeam 110,210 Hole is planted and is fixed in a fixing hole of the clamping plate 120,130,140 and clamping plate 220,230,240, so that the clamping plate 120, 130th, 140 and clamping plate 220,230,240 clamping plate 120,130,140 and clamping plate are driven when the output shaft moves up and down 220th, 230,240 make elevating movement in the top of the crossbeam 110,210.

Cylinder 180 is fixed on crossbeam 110,210 and positioned at the first guide and the second guide in this embodiment Centre, the output shaft of cylinder 180 passes through the through hole overhead of crossbeam 110,210 and is fixed on clamping plate 120,130,140 and clamping plate 220th, on 230,240, when the output shaft of cylinder 180 moves up and down, drive clamping plate 120,130,140 and clamping plate 220,230, 240 relative crossbeams 110,210 make elevating movement, to clamp work piece.

In some embodiments of the present utility model, shown in reference picture 1- Fig. 4, the clamping plate 120,130,140 and clamping plate 220th, 230,240 is strip structure clamping plate, and the clamping plate 120,130,140 and clamping plate 220,230,240 are along the crossbeam 110th, 210 length direction abuts against the top for being arranged at the crossbeam 110,210 from beginning to end successively.

In the embodiment, head and the tail abutting is arranged at crossbeam successively respectively for clamping plate 120,130,140 and clamping plate 220,230,240 110th, 210 top, the i.e. top of crossbeam 110,210 is correspondingly arranged on the clamping plate of at least more than two, and clamping plate head and the tail are mutually supported Connect, it is to cause the side of clamping plate to have the clamping plate to carry out pressure folder mutually to abut, and a crossbeam 110,210 corresponds to multiple clamping plates respectively 120th, 130,140 and clamping plate 220,230,240 so that the stress of the clamped side regional of work piece is relatively uniform, folder Hold the precision for more firmly improving processing.The number of clamping plate depending on work piece length, when work piece is more long, can To select more clamping plates, when work piece is shorter, less clamping plate can be suitably selected.

In some embodiments of the present utility model, shown in reference picture 1 and Fig. 4, the crossbeam 110 of first holder 100 The side relative with the crossbeam 210 of second holder 200 is extended separately down a baffle plate 190 and baffle plate 290, is used to Stop laser spark sputtering.

In this embodiment, the relative side of the crossbeam 210 of the holder 200 of crossbeam 110 and second of the first holder 100 point Do not extend downwardly and be fixed with a baffle plate 190 and baffle plate 290, because in laser cutting, work piece work in-process can produce fire Flower, the baffle plate 190,290 of crossbeam 110,210 is effectively prevented spark sputtering so that petard along baffle plate 190,290 direction Sputtering downwards.

Shown in reference picture 1, Fig. 2 and Fig. 4, in some embodiments of the present utility model, fixture of the present utility model also includes It is oppositely arranged to set up the first support 300 and second support of first holder 100 and second holder 200 400；The first support 300 includes one first slide bar 310 and is arranged at the two ends of the first slide bar 310 being used to support described the The bearing 311,312 of one slide bar 310, be provided with first slide bar 310 can relatively first slide bar 310 slide first The sliding block 330 of sliding block 320 and second；The second support 400 includes one second slide bar 410 and is arranged at second slide bar 410 Two ends are used to support the bearing 411,412 of second slide bar 410, and being provided with second slide bar 410 can relatively described The 3rd sliding block 420 and Four-slider 430 that two slide bar 410 is slided；The two ends difference frame of the crossbeam 110 of first holder 100 Located at first sliding block 320 and the 3rd sliding block 330, the two ends of the crossbeam 210 of second holder 200 are set up in respectively Second sliding block 420 and the Four-slider 430, so that first holder 100 and second holder 200 can be Opposing parallel slip in the first support 300 and second support 400.

The first support 300 and second support 400 of the embodiment, for setting up the first holder 100 and the second holder 200 so that the first holder 100 and the second holder 200 are opposing parallel and can be with relative motion；First holder is adjusted with this The width of 100 relative second holders 200 so that the fixture is adapted to the work piece of different in width.

Shown in reference picture 1, Fig. 5 and Fig. 6, in some embodiments of the present utility model, also including locking member 340,350, 440th, 450, the two ends of the crossbeam 110,210 are respectively arranged with multiple screws, first sliding block 320, second sliding block 330th, the 3rd sliding block 420 and the Four-slider 430 are provided with right with the termination of each self-corresponding crossbeam 110,210 The screw answered；First sliding block 310 is consolidated with the termination of the corresponding crossbeam 110 by the bolt of locking member 340 described in It is fixed；Second sliding block 330 is fixed with the termination of the corresponding crossbeam 210 by the bolt of locking member described in one 350；It is described 3rd sliding block 420 is fixed with the termination of the corresponding crossbeam 110 by the bolt of locking member described in one 440；Described 4th slides Block 430 is fixed with the termination of the corresponding crossbeam 210 by the bolt of locking member described in one 450.

In the embodiment, first the locking member 340,350,440,450 be used for by the termination of crossbeam 110,210 be fixed on to Corresponding sliding block, meanwhile, when mutually uneven between the crossbeam 210 of the holder 200 of crossbeam 110 and second of the first holder 100 When going or bell-mouthed situation occur, by the position for adjusting the correspondence screw of locking member 340,350,440,450 so that the One holder 100 keeps opposing parallel with the second holder 200.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term State and be not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or feature can be Combined in an appropriate manner in one or more any embodiments or example.

Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is not departing from the utility model Principle and objective in the case of above-described embodiment can be changed in the range of the utility model, change, replace and Modification.

Claims (7)

1. a kind of glasses accessory precise laser cutting machine fixture, it is characterised in that including relative for clamping work piece respectively First holder and the second holder on both sides, first holder and second holder include a crossbeam and extremely respectively Few two clamping plates, each described clamping plate is respectively arranged with a guiding mechanism and a drive mechanism, and the guiding mechanism is used to keep The upper surface of the relatively described crossbeam in the lower surface of the clamping plate is opposing parallel, and the drive mechanism is used to drive the clamping plate in institute Crossbeam top is stated to make elevating movement to clamp the work piece.

2. glasses accessory precise laser cutting machine fixture according to claim 1, it is characterised in that：The guiding mechanism bag Include relative the first guide and the second guide；

First guide includes a clutch shaft bearing and one first guide rod, and the clutch shaft bearing is fixed on the crossbeam, described First guide rod is equipped with can be slided up and down in the clutch shaft bearing and relatively described clutch shaft bearing, first guide rod The other end extends one first receiving hole for being fixed on the clamping plate along the direction perpendicular to the crossbeam upper surface；

Second guide includes a second bearing and one second guide rod, and the second bearing is fixed on the crossbeam, described Second guide rod is equipped with can be slided up and down in the second bearing and relatively described second bearing, second guide rod The other end extends one second receiving hole for being fixed on the clamping plate along the direction perpendicular to the crossbeam upper surface.

3. glasses accessory precise laser cutting machine fixture according to claim 1, it is characterised in that：The drive mechanism bag A cylinder for being fixed on the crossbeam lower surface is included, the output shaft of the cylinder is planted through a through hole of the crossbeam and is fixed on In one fixing hole of the clamping plate, so that the clamping plate drives the clamping plate when the output shaft moves up and down in the crossbeam Make elevating movement in top.

4. glasses accessory precise laser cutting machine fixture according to claim 1, it is characterised in that：At least two folders Plate is strip structure clamping plate, and at least two clamping plates are abutted against and are arranged at institute from beginning to end successively along the length direction of the crossbeam State the top of crossbeam.

5. glasses accessory precise laser cutting machine fixture according to claim 1, it is characterised in that：First holder The crossbeam side relative with the crossbeam of second holder be extended have a baffle plate separately down, be used to stop laser spark Sputtering.

6. glasses accessory precise laser cutting machine fixture according to claim 1, it is characterised in that：Also include being oppositely arranged It is used to set up the first support and second support of first holder and second holder；

The first support includes one first slide bar and is arranged at the first slide bar two ends and is used to support first slide bar Bearing, be provided with first slide bar can relatively described first sliding bar the first sliding block and the second sliding block；

The second support includes one second slide bar and is arranged at the second slide bar two ends and is used to support second slide bar Bearing, be provided with second slide bar can relatively described second sliding bar the 3rd sliding block and Four-slider；

The two ends of the first holder crossbeam are set up in first sliding block and the 3rd sliding block, second clamping respectively The two ends of part crossbeam are set up in second sliding block and the Four-slider respectively, so that first holder and described second Holder can the opposing parallel slip in the first support and second support.

7. glasses accessory precise laser cutting machine fixture according to claim 6, it is characterised in that：Also include locking member, The two ends of the crossbeam are respectively arranged with multiple screws, first sliding block, second sliding block, the 3rd sliding block and described Four-slider is provided with corresponding screw with the termination of each self-corresponding crossbeam；First sliding block and the corresponding horizontal stroke The termination of beam is fixed by the bolt of locking member described in；Second sliding block passes through an institute with the termination of the corresponding crossbeam The bolt for stating locking member is fixed；3rd sliding block is consolidated with the termination of the corresponding crossbeam by the bolt of locking member described in It is fixed；The Four-slider is fixed with the termination of the corresponding crossbeam by the bolt of locking member described in.