CN214721604U

CN214721604U - Chuck centering mechanism for laser pipe cutting

Info

Publication number: CN214721604U
Application number: CN202120943919.XU
Authority: CN
Inventors: 牟燕峰; 钟德峰; 李小农; 朱其楚
Original assignee: Changzhou Biyoute Machinery Technology Co ltd
Current assignee: Changzhou Biyoute Machinery Technology Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-11-16
Anticipated expiration: 2031-04-30

Abstract

The utility model relates to a laser is cut chuck centering mechanism for pipe relates to the technical field of location chuck, which comprises an cover plate, radially slide along the apron on the apron and be connected with a plurality of tight jack catchs of clamp, it slides with the apron through the slider to press from both sides tight jack catch and is connected, it is connected with two at least synchronizing rings, each to rotate on the apron synchronizing ring mutually independent sets up, be equipped with first transmission rack on the synchronizing ring, it is connected with the shift fork that the drive slider slided to rotate on the apron, fixedly connected with is used for the second transmission rack with first transmission rack toothing on the shift fork, be equipped with drive synchronizing ring pivoted drive assembly on the apron. Independent setting between each synchronizer ring of this application can realize the centre gripping work to non-equilateral tubular product, and it is strong to have centre gripping stability, convenient operation's effect.

Description

Chuck centering mechanism for laser pipe cutting

Technical Field

The application relates to the technical field of positioning chucks, in particular to a chuck centering mechanism for laser pipe cutting.

Background

The laser cutting processing is a novel processing technology, replaces the traditional mechanical knife by invisible light beams, and has the characteristics of high processing precision, high cutting efficiency, smooth cut and low processing cost. Laser cutting is commonly used in the fields of pipe cutting, plate cutting, slice cutting and the like, and has wide market development space. When the laser cutting machine is used for cutting a pipe, the pipe is usually fixed by adopting a clamp, so that the pipe is prevented from loosening in the cutting process to influence the cutting quality.

Chinese patent with publication number CN211052879U discloses a manual four-jaw chuck for laser pipe cutting machine, which comprises a base, surface mounting has linear guide and worm gear device before the base, slidable mounting has the tight jack catch of clamp on the linear guide, the universal gyro wheel is installed to the tight jack catch one end of clamp, the tight jack catch of clamp is located base one side and installs the gyro wheel, the gyro wheel runs through the base, install hand wheel on the worm gear device, the rim plate is installed to the base rear side, be provided with the arc wall on the rim plate, the gyro wheel extends to in the arc wall, be provided with the gear groove of being connected with the worm gear device cooperation on the rim plate. The clamping jaw can not loosen when clamping a round workpiece, and the stability of clamping force is improved.

In view of the above-mentioned related arts, the inventor believes that the related art can only process pipes with an equilateral or equal diameter, and when processing pipes with a non-equilateral or non-equal diameter, the clamping jaws can only clamp opposite sides with the longest side length, which results in the defect of weak clamping.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that the clamping jaw is not firm in clamping when machining a non-equilateral or non-equal-diameter pipe, the application provides a chuck centering mechanism for laser pipe cutting.

The application provides a pair of chuck centering mechanism for laser pipe cutting adopts following technical scheme:

the utility model provides a laser is cut chuck centering mechanism for pipe, includes the apron, radially slide along the apron on the apron and be connected with a plurality of tight jack catchs of clamp, it slides with the apron through the slider to press from both sides tight jack catch and is connected, rotate on the apron and be connected with two at least synchronizing rings, each synchronizing ring mutually independent sets up, be equipped with first transmission rack on the synchronizing ring, it is connected with the shift fork that the drive slider slided to rotate on the apron, fixedly connected with is used for the second transmission rack with first transmission rack toothing on the shift fork, be equipped with drive synchronizing ring pivoted drive assembly on the apron.

Through adopting above-mentioned technical scheme, drive assembly drive synchronizer ring rotates, and the synchronizer ring drives first transmission rack and rotates, and first transmission rack and the meshing of second transmission rack drive the shift fork and rotate, and shift fork drive slider slides towards apron axle center direction, and then drives the axle center direction slip that presss from both sides tight jack catch towards the apron, independently sets up between each synchronizer ring, can realize the centre gripping work to non-equilateral tubular product, and the centre gripping stability is strong, convenient operation.

Optionally, a first kidney-shaped groove is formed in the shifting fork, a pin shaft is arranged on the sliding block, and a rotating part connected with the first kidney-shaped groove in a sliding mode is arranged at the end of the pin shaft.

By adopting the technical scheme, the shifting fork rotates to drive the pin shaft to slide along the length direction of the first kidney-shaped groove, the rotating piece can reduce the friction loss between the shifting fork and the sliding block, the working efficiency is better improved, the energy is saved, and the service life of the shifting fork and the sliding block is prolonged.

Optionally, the cover plate is radially provided with a sliding groove along the cover plate, the sliding block is connected with the sliding groove in a sliding manner, and the cover plate is provided with a second kidney-shaped groove for allowing the pin shaft to slide towards or away from the axis of the cover plate.

Through adopting above-mentioned technical scheme, slider and sliding groove sliding connection, the round pin axle is worn to locate the second kidney-shaped inslot, and round pin axle and second kidney-shaped inslot sliding connection slide and play the guide effect to the slider, reduce the risk that the slider takes place to deflect.

Optionally, the cover plate is provided with guide grooves extending from two sides of the sliding groove in the width direction, the cover plate is provided with a pressing plate detachably fixed in the guide grooves, the sliding block is fixedly connected with a guide block, and the side face of the guide block is attached to one side of the pressing plate close to the guide block.

Through adopting above-mentioned technical scheme, guide block and guide way sliding connection, clamp plate and guide way can be dismantled fixedly, and the operating personnel of being convenient for installs the slider, and convenient operation improves the installation effectiveness betterly.

Optionally, the driving assembly comprises a plurality of cylinders which are arranged corresponding to the synchronizing rings, one end of each cylinder is rotatably connected with the cover plate, and the other end of each cylinder is rotatably connected with the corresponding synchronizing ring.

Through adopting above-mentioned technical scheme, the cylinder drive synchronizer ring rotates, and the one end that the synchronizer ring was kept away from to the cylinder rotates with the apron to be connected, improves synchronizer ring pivoted flexibility, convenient operation.

Optionally, the thickness of the second transmission rack is greater than or equal to twice the thickness of the first transmission rack.

Through adopting above-mentioned technical scheme, the thickness of second transmission rack wheel is more than or equal to the twice of first transmission rack thickness, improves the universalization of spare part, and the processing of being convenient for improves machining efficiency betterly.

Optionally, the clamping jaw is far away from the movable plate fixedly connected with one end of the cover plate, the cover plate is fixedly connected with a fixed plate correspondingly arranged with the movable plate, and the movable plate is connected with the fixed plate through a folding protection plate.

Through adopting above-mentioned technical scheme, press from both sides tight jack catch pulling fly leaf and slide towards the direction of keeping away from the fixed plate, the fly leaf expandes folding protection board, reduces impurity such as dust and gets into the groove that slides, improves the slip efficiency of slider betterly.

Optionally, the slider is towards the one end fixedly connected with regulating block in apron axle center, the one end that the slider was kept away from to the regulating block is equipped with the chamfer, on the adjacent regulating block the chamfer cooperation is connected.

Through adopting above-mentioned technical scheme, fixedly connected with regulating block on the slider, the cooperation is connected between the adjacent chamfer on the regulating block, is convenient for reduce the tight clearance of clamp jaw's clamp, and then improves and presss from both sides tight effect.

Optionally, the cover plate is fixedly connected with a fixing ring coaxially with the cover plate, and the outer diameter of the fixing ring is equal to the inner diameter of the synchronizing ring.

Through adopting above-mentioned technical scheme, fixedly connected with solid fixed ring on the apron, solid fixed ring's external diameter is greater than the internal diameter of synchronizer ring, reduces the risk that synchronizer ring drops from the apron.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the driving assembly drives the synchronizing ring to rotate, the synchronizing ring drives the first transmission rack to rotate, the first transmission rack is meshed with the second transmission rack to drive the shifting fork to rotate, the shifting fork drives the sliding block to slide towards the axis direction of the cover plate, and further drives the clamping jaws to slide towards the axis direction of the cover plate, and the synchronizing rings are independently arranged, so that clamping work on non-equilateral pipes can be realized, the clamping stability is high, and the operation is convenient;

2. the shifting fork rotates to drive the pin shaft to slide along the length direction of the first kidney-shaped groove, and the rotating piece can reduce friction loss between the shifting fork and the sliding block, so that the working efficiency is improved, the energy is saved, and the service lives of the shifting fork and the sliding block are prolonged;

3. the first transmission rack and the second transmission rack are both incomplete gears, so that an operator can conveniently determine an initial state during installation, and the positioning is accurate; the thickness of the second transmission rack wheel is more than or equal to twice of the thickness of the first transmission rack, so that the universality of parts is improved, the processing is facilitated, and the processing efficiency is better improved.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is an exploded view of a drive assembly of an embodiment of the present application.

Fig. 3 is a schematic structural diagram of the folded guard plate of the embodiment of the present application.

Fig. 4 is a partially enlarged view of a in fig. 2.

Description of reference numerals: 1. a cover plate; 11. a sliding groove; 12. a second kidney-shaped slot; 14. a guide groove; 15. pressing a plate; 151. a slide rail; 152. a movable plate; 153. a fixing plate; 154. folding the protection plate; 16. a guide block; 17. a fixing ring; 18. a pin; 2. clamping jaws; 3. a slider; 31. an adjusting block; 32. chamfering; 4. a synchronizer ring; 41. a first synchronization loop; 42. a second synchronizer ring; 5. a first drive rack; 6. a second drive rack; 7. a shifting fork; 71. a first kidney-shaped groove; 72. a pin shaft; 73. a rotating member; 8. a drive assembly; 81. a cylinder; 82. a first rotating column; 83. a second rotating cylinder; 84. a telescopic rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses laser is chuck centering mechanism for pipe cutting. Referring to fig. 1 and 2, a laser is cut chuck centering mechanism for pipe includes apron 1, apron 1 is the ring setting, it is connected with a plurality of tight jack catch 2 of clamp along self radial sliding on apron 1, the quantity that presss from both sides tight jack catch in the embodiment of this application is 4, it is connected with apron 1 through slider 3 to press from both sides tight jack catch 2 to slide, apron 1 goes up one side fixedly connected with solid fixed ring 17 that presss from both sides tight jack catch 2 dorsad, gu rotate on the fixed ring 17 and be connected with two at least synchronizing ring 4, the quantity of synchronizing ring is 2 in the embodiment of this application, mutual independence sets up between each synchronizing ring 4. Install first transmission rack 5 on the synchronizer ring 4, rotate on the apron 1 and be connected with and be used for driving slider 3 towards or keep away from the gliding shift fork 7 of 1 axle center direction of apron, fixedly connected with is used for the second transmission rack 6 with first transmission rack 5 meshing on the shift fork, installs drive synchronizer ring 4 pivoted drive assembly 8 on the apron 1.

During operation, 8 drive synchronizing ring 4 rotations of drive assembly, synchronizing ring 4 drives first drive rack 5 and rotates, first drive rack 5 and the meshing of second drive rack 6, drive shift fork 7 and rotate, shift fork 7 drives slider 3 and slides towards the axle center direction that is close to apron 1, slider 3 drives and presss from both sides tight jack catch 2 and slides towards the direction that is close to tubular product, mutual independence sets up between each synchronizing ring 4, when one of them group presss from both sides tight jack catch 2 and presss from both sides the tight time with tubular product minor face direction clamp, another group presss from both sides tight jack catch 2 and continues to slide towards the direction that is close to tubular product, finally accomplish the tight work of clamp of tubular product long edge direction, and convenient for operation can realize the centre gripping work to non-equilateral tubular product, and the clamping stability is strong.

Referring to fig. 2, the cover plate 1 has radially seted up along self the groove 11 that slides, the quantity of the groove 11 that slides in this application embodiment is 4, slider 3 and the groove 11 sliding connection that slides, interference fit has a round pin axle 72 on the slider 3, offer on the apron 1 and be used for supplying round pin axle 72 towards or keep away from the gliding second kidney slot 12 of apron 1 axle center direction, second kidney slot 12 runs through the setting of apron 1, round pin axle 72 wears to locate in the second kidney slot 12, shift fork 7 has seted up first kidney slot 71 on self length direction, the one end that the round pin axle 72 worn out second kidney slot 12 is connected through rotating piece 73 with first kidney slot 71. The rotating member 73 may be a bearing rotatably connected to the pin 72, or may be a sleeve rotatably connected to the pin 72, and the rotating member 73 in this embodiment is a bearing. The shifting fork 7 rotates to drive the pin shaft 72 to slide along the length direction of the first kidney-shaped groove 71, and further, the pin shaft 72 is pushed to slide along the length direction of the second kidney-shaped groove 12, so that the operation is convenient. The bearing is rotatably connected with the pin shaft 72, so that friction loss is reduced conveniently, and the service life of the shifting fork 7 is prolonged.

Referring to fig. 3, guide grooves 14 extend from two sides of the cover plate 1 in the width direction of the sliding groove 11, the guide grooves 14 and the sliding groove 11 are arranged in a step shape, pressing plates 15 are fixed in the two guide grooves 14 of the cover plate 1 through screws, a guide block 16 is integrally formed at one end of the sliding block 3, which is far away from the sliding groove 11, and the guide block 16 is attached to one side, which is close to the guide block 16, of the pressing plate 15 along one side of the width direction of the guide block 16. Slide rail 151 has been seted up to the one end that clamp plate 15 kept away from sliding groove 11, sliding connection fly leaf 152 on the slide rail 151, the one end integrated into one piece that fly leaf 152 is close to clamp plate 15 has the fixture block with slide rail 151 joint, there is the fixed plate 153 that corresponds the setting with fly leaf 152 through the fix with screw on the apron 1, be connected through folding protection plate 154 between fly leaf 152 and the fixed plate 153, folding protection plate 154 is the organ protection plate in this application embodiment, folding effect is stable, the one end that fixed plate 153 was kept away from to fly leaf 152 passes through screw fixed connection with pressing from both sides tight jack catch 2.

When the slider 3 slides towards the direction of the pipe, the slider 3 drives the guide block 16 to slide towards the direction of the pipe, and the pressing plate 15 is connected with the guide block 16 in a matching manner, so that the sliding stability of the slider 3 is better improved, and the sliding risk of the slider 3 is reduced. The sliding block 3 drives the movable plate 152 to slide towards a direction away from the fixed plate 153, the movable plate 152 drives the folding protection plate 154 to slide towards the pipe, and the folding protection plate 154 is unfolded to facilitate improvement of the dust-proof capability of the sliding groove 11.

Referring to fig. 3, drive assembly 8 includes a plurality of cylinders 81 that correspond the setting with synchronizer ring 4, the quantity of cylinder 81 in this application embodiment is 4, it is connected with first rotation post 82 to rotate on the apron 1, cylinder 81 rotates with first rotation post 82 and is connected, telescopic link 84 is installed to the one end that first rotation post 82 was kept away from to cylinder 81, the quantity of synchronizer ring 4 in this application embodiment is two, be first synchronizer ring 41 and second synchronizer ring 42 respectively, first synchronizer ring 41 is located second synchronizer ring 42 towards the one side of apron 1, equal interference fit has two second rotation posts 83 on first synchronizer ring 41 and the second synchronizer ring 42, two second rotation posts 83 on same synchronizer ring 4 are along synchronizer ring 4 circumference symmetric distribution, the one end that cylinder 81 was kept away from to telescopic link 84 rotates with second rotation post 83 and is connected. The cylinder 81 drives the telescopic rod 84 to stretch, the telescopic rod 84 drives the first synchronizing ring 41 and the second synchronizing ring 42 to rotate, and the first synchronizing ring 41 and the second synchronizing ring 42 are arranged independently, so that transmission interference can be effectively reduced.

Referring to fig. 3, in the embodiment of the present application, the number of the first transmission racks 5 on each synchronizing ring 41 is 2, and one second transmission rack 6 is correspondingly distributed on each shifting fork 7, so that when the synchronous transmission device is installed, only the respective first teeth of the first transmission racks 5 and the second transmission racks 6 are correspondingly engaged, and the initial installation position positioning of the first transmission racks 5 and the second transmission racks 6 can be completed, which is convenient to operate. The thickness of the second transmission rack 6 is greater than or equal to two times of the thickness of the first transmission rack 5, and the thickness of the second transmission rack 6 is equal to two times of the thickness of the first transmission rack 5 in the embodiment of the application, so that on one hand, the universal matching performance of the second transmission rack 6 can be improved, the processing and the assembly are convenient, and the production efficiency is improved; on the other hand, the structural strength of the second transmission rack is convenient to improve, and the service life is prolonged. One side of the cover plate 1 far away from the second synchronizing ring 42 is provided with a fixing ring 17 through a pin 18 in interference fit, the outer diameter of the fixing ring 17 is equal to the inner diameter of the synchronizing ring 4, and the rotation stability of the synchronizing ring 4 is improved better.

Referring to fig. 4, adjusting blocks 31 are inserted into one ends, facing the axis of the cover plate 1, of the sliding blocks 3, chamfers 32 are formed in one ends, far away from the sliding blocks 3, of the adjusting blocks 31, the chamfers 32 between the adjacent adjusting blocks 31 are matched with each other, fit gaps are reduced, and clamping stability of the clamping jaws 2 is improved. The adjusting block 31 and the sliding block 3 are detachably fixed, so that the adjusting block 31 can be conveniently replaced according to the shape of a workpiece, the angle of the chamfer 32 is further changed, and the operation is convenient.

The implementation principle of the chuck centering mechanism for laser pipe cutting in the embodiment of the application is as follows: when a non-equilateral tubular product is clamped, the two oppositely-arranged air cylinders 81 drive the telescopic rods 84 to extend, the telescopic rods 84 drive the first synchronizing ring 41 to rotate, the first synchronizing ring 41 drives the first transmission rack 5 to rotate, the first transmission rack 5 is meshed with the second transmission rack 6 to drive the shifting fork 7 to rotate, the shifting fork rotates to further push the pin shaft 72 to slide along the length direction of the first kidney-shaped groove 71, the pin shaft 72 drives the sliding block 3 to slide along the sliding groove 11 towards the axis direction of the cover plate 1, and the group of clamping jaws 2 are abutted to the short edges of the tubular product; the cylinder 81 that sets up with this other group relatively drives second synchronizer ring 42 and rotates, and second synchronizer ring 42 drives another group and presss from both sides tight jack catch 2 and the long limit butt of tubular product, and then realizes the tight work of clamp to non-equilateral tubular product, convenient operation, and clamping stability is strong.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a laser is chuck centering mechanism for pipe cutting, includes apron (1), its characterized in that: radial sliding along apron (1) on apron (1) is connected with a plurality of tight jack catchs of clamp (2), it is connected with apron (1) through slider (3) to slide to press from both sides tight jack catch (2), it is connected with two at least synchronizer rings (4), each to rotate on apron (1) synchronizer ring (4) mutual independence sets up, be equipped with first transmission rack (5) on synchronizer ring (4), it is connected with shift fork (7) that drive slider (3) slided to rotate on apron (1), fixedly connected with is used for second transmission rack (6) with first transmission rack (5) meshing on shift fork (7), be equipped with drive synchronizer ring (4) pivoted drive assembly (8) on apron (1).

2. The chuck centering mechanism for laser cutting of tubes as claimed in claim 1, wherein: the shifting fork (7) is provided with a first kidney-shaped groove (71), the sliding block (3) is provided with a pin shaft (72), and the end part of the pin shaft (72) is provided with a rotating part (73) connected with the first kidney-shaped groove (71) in a sliding manner.

3. The chuck centering mechanism for laser cutting of tubes as claimed in claim 2, wherein: the cover plate (1) is provided with a sliding groove (11) along the radial direction of the cover plate, the sliding block (3) is connected with the sliding groove (11) in a sliding mode, and the cover plate (1) is provided with a second waist-shaped groove (12) for enabling the pin shaft (72) to move towards or to be far away from the cover plate (1) in the axis direction in a sliding mode.

4. The chuck centering mechanism for laser cutting of tubes as claimed in claim 3, wherein: the utility model discloses a slide block, including apron (1), slide groove (11) width direction both sides extend and have guide way (14), it has clamp plate (15) to lie in guide way (14) and can dismantle on apron (1), fixedly connected with guide block (16) on slider (3), guide block (16) side and clamp plate (15) are close to the laminating of one side of guide block (16).

5. The chuck centering mechanism for laser cutting of tubes as claimed in claim 1, wherein: the driving assembly (8) comprises a plurality of air cylinders (81) which are arranged corresponding to the synchronizing rings (4), one ends of the air cylinders (81) are rotatably connected with the cover plate (1), and the other ends of the air cylinders (81) are rotatably connected with the corresponding synchronizing rings (4).

6. The chuck centering mechanism for laser cutting of tubes as claimed in claim 1, wherein: the thickness of the second transmission rack (6) is more than or equal to two times of the thickness of the first transmission rack (5).

7. The chuck centering mechanism for laser cutting of tubes as claimed in claim 1, wherein: the clamping jaw (2) is far away from one end fixedly connected with movable plate (152) of apron (1) axle center, fixedly connected with fixed plate (153) that correspond the setting with movable plate (152) on apron (1), be connected through folding protection board (154) between movable plate (152) and fixed plate (153).

8. The chuck centering mechanism for laser cutting of tubes as claimed in claim 1, wherein: slider (3) are towards one end fixedly connected with regulating block (31) in apron (1) axle center, the one end that slider (3) were kept away from in regulating block (31) is equipped with chamfer (32), on adjacent regulating block (31) chamfer (32) cooperation is connected.

9. The chuck centering mechanism for laser cutting of tubes as claimed in claim 1, wherein: the cover plate (1) is provided with a fixing ring (17) which is fixedly connected with the cover plate (1) in a coaxial mode, and the outer diameter of the fixing ring (17) is equal to the inner diameter of the synchronizing ring (4).