CN111906463A

CN111906463A - Fixing device for laser cutting technology

Info

Publication number: CN111906463A
Application number: CN202010781161.4A
Authority: CN
Inventors: 殷赳; 阳同光; 范彬; 袁聪; 熊志宏
Original assignee: Hunan City University
Current assignee: Hunan City University
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2020-11-10
Anticipated expiration: 2040-08-06
Also published as: CN111906463B

Abstract

The invention relates to the technical field of laser cutting and fixing, in particular to a fixing device for a laser cutting technology. The invention aims to solve the technical problems that a laser cutting machine is complex in movement, is easy to break down, cannot realize rotation and horizontal movement of a workpiece at the same time, cannot stably clamp an irregular workpiece, and has certain limitation. In order to solve the technical problems, the invention provides a fixing device for a laser cutting technology, which comprises a base, wherein the edge of the top of the base is fixedly connected with a protective cover, the top surface of the base is fixedly connected with a moving device, and the top surface of the base is movably connected with a transverse groove guide rail.

Description

Fixing device for laser cutting technology

Technical Field

The invention relates to the technical field of laser cutting and fixing, in particular to a fixing device for a laser cutting technology.

Background

Laser cutting is one of the most important application techniques in the laser industry, and accounts for over 70% of the whole laser processing industry. The laser cutting is a non-contact processing, the workpiece is not stressed in any direction in the processing process, and the laser cutting machine has the characteristics of high speed, high precision, high adaptability and the like, and also has the advantages of no deformation of a cutting seam, small heat affected zone, good cutting surface quality, no noise in cutting and no limitation of a processing shape.

The prior art has at least the following problems which are not solved: 1. the existing device needs the laser head body to move transversely and longitudinally to cut a plate with a required shape, but the laser head is provided with various accessories and lines, and the moving is complex and easy to break down; 2. when circular panel is cut out to needs, rotation and the horizontal migration of work piece can't be realized simultaneously to partial laser cutting machine material fixing device, make laser cutting can not effectively carry out 3, current work piece is circular or square mostly simultaneously, circular for example tubular object etc. square for example rectangle metal block etc. current anchor clamps can only adapt to the work piece of a shape, to the unable stable centre gripping of irregular work piece, have certain limitation.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a fixing device for a laser cutting technology, which solves the problems that a laser cutting machine is complex in movement, easy to break down, incapable of realizing rotation and horizontal movement of a workpiece and incapable of stably clamping an irregular workpiece at the same time, and has certain limitation.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a fixing device for laser cutting technique, includes the base, the marginal fixedly connected with safety cover at base top, and the top surface fixedly connected with mobile device of base, the top surface swing joint of base has the cross slot guide rail, the last activity interlude of mobile device has support piece, and support piece and cross slot guide rail sliding connection, support piece's top nestification has the motor, and the output fixedly connected with transposition device at motor top, the top sliding connection of transposition device has two clamping device, the top surface fixedly connected with fourth hydraulic stem of safety cover inner wall, and the bottom fixedly connected with laser cutting machine of fourth hydraulic stem.

Further preferably, the hydraulic support comprises a first hydraulic rod and a second hydraulic rod, the first hydraulic rod and the second hydraulic rod are fixedly connected to the top surface of the base, one end of the first hydraulic rod and one end of the second hydraulic rod are respectively and movably connected with a first connecting rod and a second connecting rod, the first connecting rod is hinged to the other end of the second connecting rod through the lower half end of the supporting piece, the middle portions of the first connecting rod and the second connecting rod are respectively and movably connected with a first short rod and a second short rod, and the other end of the first short rod is movably connected with the other end of the second short rod.

Further preferably, the transposition device includes the carousel, and the bottom surface fixed connection of carousel is on the output of motor, the spout has been seted up to the top surface of carousel, and the one end swing joint of spout and two clamping device bottoms, the top surface fixedly connected with third hydraulic stem of carousel, and the flexible end fixedly connected with stopper of third hydraulic stem, two spacing grooves that run through to its bottom surface are seted up to the top surface of stopper.

Further preferably, clamping device includes two grip blocks, and the one end of two grip block bottoms sliding connection respectively at two spacing inslots, twenty-eight jacks have been seted up to one side array of grip block, and the jack interlude has the removable pin, the removable pin is connected with the spring with the relative one side fixedly connected with of jack inner wall.

Preferably, the first hydraulic rod and the second hydraulic rod are arranged vertically on the same plane, and the telescopic ends of the first hydraulic rod and the second hydraulic rod are arranged in the diagonal direction.

Preferably, the transverse groove guide rail is formed by a transverse rod provided with a round-corner rectangular groove, and the lower half end of the supporting piece is connected in the round-corner rectangular groove in a sliding manner.

Preferably, the side of the movable pin is fixedly connected with a rubber block, and the two clamping blocks are arranged in axial symmetry with the center line of the top surface of the limiting block at one side where the jacks are formed.

Further preferably, the side cross section of the limiting block is of an isosceles trapezoid structure, and the two limiting grooves are symmetrically arranged on two sides of the limiting block by taking the central line of the top surface of the limiting block as an axis.

(III) advantageous effects

The invention provides a fixing device for a laser cutting technology, which has the following beneficial effects:

(1) the horizontal and longitudinal cross movement tracks of the workpiece can be completed through the cooperation of the first hydraulic rod, the second hydraulic rod, the first connecting rod and the second connecting rod, the supporting effect is achieved through the first short rod, the second short rod and the transverse groove guide rail, the stability of the supporting piece is guaranteed, and the hydraulic support has the advantages of being simple in structure, low in manufacturing cost, low in failure rate, convenient to maintain in the later period and the like.

(2) The clamping device can start the motor to drive the rotary table to rotate when clamping the workpiece and performing a laser cutting process, and the workpiece can move transversely and longitudinally while rotating, so that the workpiece can reach different processing positions.

(3) The position of the limiting block is changed through the movement of the third hydraulic rod, so that the two clamping blocks can carry out center clamping on the workpiece, and the workpiece in a circular shape, a square shape or various irregular shapes can be flexibly fixed by the two clamping blocks through the cooperation of the spring and the movable pin, so that the flexibility is higher, and the practicability is higher.

Drawings

FIG. 1 is a top view of a structure of the present invention;

FIG. 2 is an enlarged view of the present invention at configuration A;

FIG. 3 is a top cross-sectional view of a structural support of the present invention

Fig. 4 is a side sectional view of a turntable according to the present invention.

In the figure: 1. a base; 2. a protective cover; 3. a mobile device; 301. a first hydraulic lever; 302. a second hydraulic rod; 303. a first link; 304. a second link; 305. a first short bar; 306. a second short bar; 4. a transverse slot guide rail; 5. a support member; 6. a motor; 7. a transposition device; 701. a turntable; 702. a chute; 703. a third hydraulic lever; 704. a limiting block; 705. a limiting groove; 8. a clamping device; 801. a clamping block; 802. a jack; 803. a movable pin; 804. a spring; 9. a fourth hydraulic lever; 10. provided is a laser cutting machine.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a fixing device for laser cutting technique, which comprises a base 1, the marginal fixedly connected with safety cover 2 at 1 top of base, and the top surface fixedly connected with mobile device 3 of base 1, the top surface swing joint of base 1 has transverse groove guide rail 4, the last activity of mobile device 3 alternates there is support piece 5, and support piece 5 and transverse groove guide rail 4 sliding connection, support piece 5's top nestification has motor 6, and the output fixedly connected with transposition device 7 at motor 6 top, the top sliding connection of transposition device 7 has two clamping device 8, the top surface fixedly connected with fourth hydraulic stem 9 of 2 inner walls of safety cover, and the bottom fixedly connected with laser cutting machine 10 of fourth hydraulic stem 9.

The hydraulic support comprises a first hydraulic rod 301 and a second hydraulic rod 302, wherein the first hydraulic rod 301 and the second hydraulic rod 302 are fixedly connected to the top surface of a base 1, one end of the first hydraulic rod 301 and one end of the second hydraulic rod 302 are respectively and movably connected with a first connecting rod 303 and a second connecting rod 304, the first connecting rod 303 is hinged with the other end of the second connecting rod 304 through the lower half end of a supporting piece 5, the middle parts of the first connecting rod 303 and the second connecting rod 304 are respectively and movably connected with a first short rod 305 and a second short rod 306, and the other end of the first short rod 305 is movably connected with the other end of the second short rod 306.

In the invention, the indexing device 7 comprises a turntable 701, the bottom surface of the turntable 701 is fixedly connected to the output end of the motor 6, the top surface of the turntable 701 is provided with a chute 702, the chute 702 is movably connected with one end of the bottoms of the two clamping devices 8, the top surface of the turntable 701 is fixedly connected with a third hydraulic rod 703, the telescopic end of the third hydraulic rod 703 is fixedly connected with a limiting block 704, and the top surface of the limiting block 704 is provided with two limiting grooves 705 penetrating through to the bottom surface of the limiting block 704.

In the invention, the clamping device 8 comprises two clamping blocks 801, one ends of the bottoms of the two clamping blocks 801 are respectively connected in the two limiting grooves 705 in a sliding manner, twenty-eight jacks 802 are arranged on one side of each clamping block 801 in an array manner, movable pins 803 penetrate through the jacks 802, and springs 804 are fixedly connected to the sides of the movable pins 803 opposite to the inner walls of the jacks 802.

In the invention, the same plane of the first hydraulic rod 301 and the second hydraulic rod 302 is vertically arranged, and the telescopic ends of the first hydraulic rod 301 and the second hydraulic rod 302 are arranged in the diagonal direction.

In the invention, the transverse groove guide rail 4 is formed by arranging a round-corner rectangular groove on a transverse rod, and the lower half end of the supporting piece 5 is connected in the round-corner rectangular groove in a sliding manner.

In the invention, the side of the movable pin 803 is fixedly connected with a rubber block, one side of each of the two clamping blocks 801, which is provided with the jack 802, is arranged in an axisymmetric manner by taking the center line of the top surface of the limit block 704 as an axis, and the rubber is a high-elasticity polymer material with reversible deformation, is rich in elasticity at room temperature, can generate large deformation under the action of small external force, can recover the original shape after the external force is removed, and can better improve the stability of clamping workpieces.

In the invention, the side section of the limiting block 704 is in an isosceles trapezoid structure, the two limiting grooves 705 are symmetrically arranged on two sides of the top surface of the limiting block 704 by taking the central line of the top surface of the limiting block 704 as an axis, the two limiting grooves 705 are arranged in a splayed shape, and when the limiting block 704 moves to the side of the turntable 701, the two limiting grooves 705 can drive the two clamping blocks 801 to simultaneously move towards the center in the sliding groove 702, so that the clamping effect is achieved.

According to the invention, through the matching of the first hydraulic rod 301, the second hydraulic rod 302, the first connecting rod 303 and the second connecting rod 304, a workpiece can finish horizontal transverse and longitudinal crossed movement tracks, the first short rod 305, the second short rod 306 and the transverse groove guide rail 4 play a supporting role, the stability of the supporting piece 5 is ensured, and the device has the advantages of simple structure, low manufacturing cost, low failure rate, convenience for later maintenance and the like Square or various irregular-shaped workpieces, high flexibility and high practicability.

The working principle is as follows: through the length 703 that changes the third hydraulic stem, remove the position of stopper 704, make two grip blocks 801 carry out central centre gripping to the work piece simultaneously, and stabilize centre gripping work piece through the cooperation of spring 804 and activity round pin 803, the clamping device 8 that carries out the centre gripping to the work piece is in the laser cutting process, but starting motor 6 drives carousel 701 rotation, in order to reach the required cutting demand of different work pieces, through the length that changes first hydraulic stem 301 and second hydraulic stem 302, make first connecting rod 303, second connecting rod 304, first quarter butt 305 and second quarter butt 306 cooperate each other, make support piece 5 can accomplish horizontal and fore-and-aft cross movement orbit, and play the effect that supports support piece 5 through horizontal groove guide rail 4, guarantee the stability of the clamping device 8 above support piece 5.

Claims

1. A fixing device for laser cutting techniques, comprising a base (1), characterized in that: the edge fixedly connected with safety cover (2) at base (1) top, and the top surface fixedly connected with mobile device (3) of base (1), the top surface swing joint of base (1) has horizontal groove guide rail (4), support piece (5) have been alternate in the activity on mobile device (3), and support piece (5) and horizontal groove guide rail (4) sliding connection, the top nestification of support piece (5) has motor (6), and the output end fixedly connected with transposition device (7) at motor (6) top, the top sliding connection of transposition device (7) has two clamping device (8), the top surface fixedly connected with fourth hydraulic stem (9) of safety cover (2) inner wall, and the bottom fixedly connected with laser cutting machine (10) of fourth hydraulic stem (9).

2. A fixture for laser cutting technology according to claim 1, characterized in that: the hydraulic support comprises a first hydraulic rod (301) and a second hydraulic rod (302), wherein the first hydraulic rod (301) and the second hydraulic rod (302) are fixedly connected to the top surface of a base (1), one ends of the first hydraulic rod (301) and the second hydraulic rod (302) are respectively and movably connected with a first connecting rod (303) and a second connecting rod (304), the first connecting rod (303) is hinged to the other end of the second connecting rod (304) through the lower half end of a support piece (5), the middle portions of the first connecting rod (303) and the second connecting rod (304) are respectively and movably connected with a first short rod (305) and a second short rod (306), and the other end of the first short rod (305) is movably connected with the other end of the second short rod (306).

3. A fixture for laser cutting technology according to claim 1, characterized in that: the indexing device (7) comprises a rotary table (701), the bottom surface of the rotary table (701) is fixedly connected to the output end of the motor (6), a sliding groove (702) is formed in the top surface of the rotary table (701), the sliding groove (702) is movably connected with one end of the bottom of each of the two clamping devices (8), a third hydraulic rod (703) is fixedly connected to the top surface of the rotary table (701), a limiting block (704) is fixedly connected with the telescopic end of the third hydraulic rod (703), and two limiting grooves (705) penetrating through the bottom surface of the limiting block (704) are formed in the top surface of the limiting block (704).

4. A fixture for laser cutting technology according to claim 3, characterized in that: clamping device (8) include two grip blocks (801), and the one end of two grip blocks (801) bottom sliding connection respectively in two spacing grooves (705), twenty-eight jack (802) have been seted up to one side array of grip block (801), and has alternate in jack (802) movable round pin (803), one side fixedly connected with spring (804) that movable round pin (803) and jack (802) inner wall are relative.

5. A fixture for laser cutting technology according to claim 2, characterized in that: the same plane of the first hydraulic rod (301) and the second hydraulic rod (302) is vertically arranged, and the telescopic ends of the first hydraulic rod (301) and the second hydraulic rod (302) are arranged in the diagonal direction.

6. A fixture for laser cutting technology according to claim 1, characterized in that: the transverse groove guide rail (4) is formed by arranging a round-angle rectangular groove on a transverse rod, and the lower half end of the supporting piece (5) is connected in the round-angle rectangular groove in a sliding mode.

7. A fixture for laser cutting technology according to claim 4, characterized in that: the avris of activity round pin (803) is fixedly connected with the rubber block, two one side that jack (802) were all seted up in grip block (801) uses the central line of stopper (704) top surface to set up as the axisymmetric.

8. A fixture for laser cutting technology according to claim 3, characterized in that: the side section of the limiting block (704) is of an isosceles trapezoid structure, and the two limiting grooves (705) are symmetrically arranged on two sides of the top surface of the limiting block (704) by taking the central line of the top surface of the limiting block as an axis.