CN215824559U - Precision laser cutting machine - Google Patents

Abstract

The utility model discloses a precision laser cutting machine, which relates to the field of precision laser cutting machines and comprises a laser cutting machine body and a laser cutting head which is arranged on the laser cutting machine body and used for cutting a workpiece by laser beams, wherein a support ring is fixedly sleeved on the lower peripheral part of the laser cutting head, a sleeve is abutted on the upper peripheral surface of the support ring and is sleeved on the peripheral part of the laser cutting head in a sliding manner, a copper pipe which is in contact with the peripheral part of the laser cutting head is fixedly arranged on the inner peripheral surface of the sleeve through a pipe clamp, one end of the copper pipe is sealed and fixedly communicated with one end of a cooling water inlet pipe, and the other end of the cooling water inlet pipe is fixedly communicated with the output end of a circulating pump. This application can carry out the heat dissipation of continuation to the laser cutting head through the heat transfer process that lasts of copper pipe, and then can guarantee the operation effect of laser cutting head continuation to can promote the life of laser cutting head to a certain extent.

Description

Precision laser cutting machine

Technical Field

The utility model relates to the field of precision laser cutting machines, in particular to a precision laser cutting machine.

Background

The laser cutting is to focus the laser emitted from a laser into a laser beam with high power density through an optical path system. The laser beam irradiates the surface of the workpiece to make the workpiece reach a melting point or a boiling point, and simultaneously, the high-pressure gas coaxial with the laser beam blows away the molten or gasified metal. And finally, the material is cut along with the movement of the relative position of the light beam and the workpiece, so that the cutting purpose is achieved.

The laser cutting head on present precision laser cutting machine often needs the longer time operation, and the high power density's that continuously produces laser beam heat is very high when the operation, to the components and parts part that laser cutting head produced the light beam, the heat that produces for a long time volatilizees the upper portion casing department of laser cutting head and can not in time volatilize, and in time, can influence the life of this part components and parts, can cause the condition of trouble, influences normal use.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a precision laser cutting machine to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme:

a precision laser cutting machine comprises a laser cutting machine body and a laser cutting head arranged on the laser cutting machine body and used for cutting a workpiece by laser beams, the lower peripheral part of the laser cutting head is fixedly sleeved with a support ring, the upper peripheral surface of the support ring is abutted with a sleeve, the sleeve is sleeved on the peripheral part of the laser cutting head in a sliding manner, meanwhile, a copper pipe which is contacted with the outer peripheral part of the laser cutting head is fixedly arranged on the inner peripheral surface of the sleeve through a pipe clamp, one end of the copper pipe is sealed and fixedly communicated with one end of the cooling water inlet pipe, the other end of the cooling water inlet pipe is fixedly communicated with the output end of the circulating pump, and the circulating pump is fixedly arranged at the top of the laser cutting machine body, and the input of circulating pump passes through the fixed intercommunication circulation tank of pipeline, and circulation tank fixed mounting passes through the other end that the wet return is sealed and the fastening connection copper pipe in the top of laser cutting machine body and its inner chamber upper portion.

As a further scheme of the utility model: the copper pipe is bent in a shape like a Chinese character 'hui' and is arranged on the inner circumferential surface of the sleeve in a surrounding mode.

As a further scheme of the utility model: the outer peripheral surface of the sleeve is provided with a smoke collecting cover, the inner peripheral surface of the lower edge of the smoke collecting cover is connected with an annular smoke absorbing pipe, the lower periphery of the annular smoke absorbing pipe is provided with a plurality of smoke inlet holes which are arranged at equal intervals, the annular smoke absorbing pipe is provided with a through hole for sealing and communicating one end of the smoke absorbing pipe, and the other end of the smoke absorbing pipe penetrates out of the skirt part and is communicated with external smoke absorbing equipment.

As a further scheme of the utility model: the upper part of the smoke collecting hood is formed into a pipe part sleeved on the sleeve, the lower part of the smoke collecting hood forms a hood skirt part used for surrounding the laser cutting head from the lower peripheral edge of the pipe part, and the inner peripheral surface of the lower edge of the hood skirt part is fixedly connected with an annular smoke absorbing pipe through a pipe clamp.

As a further scheme of the utility model: the inner peripheral surface of the pipe part is provided with a plurality of convex sliding blocks, and the sliding blocks are inserted in clamping grooves formed in the outer peripheral surface of the sleeve in a sliding mode.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, by means of continuous circulation of cold water in the copper pipe and the benefit of excellent heat transfer effect of the copper pipe, when the laser cutting head generates higher heat in a longer working time, the heat at the surface of the laser cutting head can be fully absorbed by the copper pipe arranged in a surrounding manner, and the laser cutting head can be subjected to continuous heat dissipation through the continuous heat exchange process of the copper pipe, so that the continuous operation effect of the laser cutting head can be ensured, and the service life of the laser cutting head can be prolonged to a certain extent.

2. According to the utility model, the suction range of the flue gas can be greatly increased by virtue of the horn-shaped smoke collecting hood, the suction effect of the flue gas is improved, and the annular smoke absorbing pipe can comprehensively suck the flue gas generated when the laser cutting head cuts, so that the possibility of the flue gas escaping outwards is reduced to the maximum extent, and the pollution to the working environment of a workshop is avoided.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the installation of the smoke gathering hood and sleeve of the present invention;

FIG. 3 is a schematic view of the installation of copper tubes in the present invention;

fig. 4 is a schematic structural diagram of the smoke collecting hood of the present invention.

In the figure: 1. a laser cutting machine body; 2. a laser cutting head; 3. a circulation pump; 4. a water return pipe; 5. a cooling water inlet pipe; 6. a smoke collecting hood; 7. a circulating water tank; 8. a smoke extraction pipe; 9. a sleeve; 10. an annular fume suction pipe; 11. a support ring; 12. a slider; 13. a copper pipe; 14. a tube portion; 15. a cage skirt.

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 to 4, in an embodiment of the present invention, a precision laser cutting machine includes a laser cutting machine body 1 and a laser cutting head 2 provided thereon for cutting a workpiece with a laser beam, a support ring 11 is fixedly sleeved on a lower peripheral portion of the laser cutting head 2, a sleeve 9 is abutted on an upper peripheral surface of the support ring 11, the sleeve 9 is slidably sleeved on a peripheral portion of the laser cutting head 2, the support ring 11 can play a role of supporting the sleeve 9, so as to prevent the sleeve 9 from dropping due to gravity, and can also detach the sleeve 9 from an upper portion of the laser cutting head 2, a copper pipe 13 contacting with the peripheral portion of the laser cutting head 2 is fixedly installed on an inner peripheral surface of the sleeve 9 through a pipe clamp, one end of the copper pipe 13 is sealed and fixedly communicated with one end of a cooling water inlet pipe 5, the other end of the cooling water inlet pipe 5 is fixedly communicated with an output end of a circulation pump 3, and the circulation pump 3 is fixedly installed on a top of the laser cutting machine body 1, and circulating pump 3's input passes through the fixed intercommunication circulation tank 7 of pipeline, circulation tank 7 fixed mounting is in the other end that the wet return 4 is sealed and the fastening connection copper pipe 13 is passed through on the top of laser cutting machine body 1 and its inner chamber upper portion, cold water in the copper pipe 13 constantly circulates, and benefit from the good heat transfer effect of copper pipe 13, thereby when the longer higher heat that produces of 2 operating time of laser cutting head, can fully absorb the heat of 2 surface departments of laser cutting head with the help of being around the copper pipe 13 that arrange, the heat dissipation that can carry out the continuation to laser cutting head 2 through the continuous heat transfer process of copper pipe 13, and then can guarantee the operation effect of 2 continuances of laser cutting head, and can improve the service life of laser cutting head 2 to a certain extent.

Further, the copper pipe 13 is bent in a shape like a Chinese character 'hui' and is arranged on the inner circumferential surface of the sleeve 9 in a surrounding manner, so that the copper pipe 13 can be in contact with the outer circumferential portion of the laser cutting head 2 to the maximum extent, the contact area between the copper pipe and the outer circumferential portion is increased, the heat exchange area of the copper pipe 13 is enlarged, and the cooling and heat dissipation effects of the laser cutting head 2 during working are improved.

Further, the outer peripheral face of sleeve 9 is provided with gathers petticoat pipe 6, the lower edge inner peripheral surface that gathers petticoat pipe 6 is connected with annular smoking pipe 10, the lower week of annular smoking pipe 10 has seted up the smoke inlet that a plurality of equidistance was arranged, and set up the through-hole that supplies the sealed switch-on of smoking pipe 8 one end on the annular smoking pipe 10, and the other end of smoking pipe 8 is worn out cover skirt portion 15 and is linked together with outside smoking equipment, annular smoking pipe 10 can carry out comprehensive extraction with the flue gas that produces when laser cutting head 2 cuts, furthest's reduction flue gas is outer easy possibility, avoid polluting the operational environment in workshop.

Further, the upper part of the smoke collecting hood 6 is formed into a pipe part 14 which is used for being sleeved on the sleeve 9, the lower part of the smoke collecting hood 6 forms a hood skirt part 15 which is used for enclosing the laser cutting head 2 from the lower peripheral edge of the pipe part 14, an annular smoke absorbing pipe 10 is fixedly connected to the inner peripheral surface of the lower edge of the hood skirt part 15 through a pipe clamp, and the suction range of smoke can be greatly increased by means of the horn-shaped smoke collecting hood 6, so that the smoke suction effect is improved.

Further, a plurality of convex sliders 12 are formed on the inner peripheral surface of the pipe portion 14, and the sliders 12 are inserted into the clamping grooves formed in the outer peripheral surface of the sleeve 9 in a sliding mode, so that the smoke collecting hood 6 can be detached from the sleeve 9, and practicability is improved.

The electric elements in the document are electrically connected with an external main controller and 220V mains supply through a transformer, the main controller can be a conventional known device controlled by a computer and the like, the product model provided by the utility model is only used according to the structural characteristics of the product, the product can be adjusted and modified after being purchased, so that the product is more matched with and accords with the technical scheme of the utility model, the product model is a technical scheme of the optimal application of the technical scheme, the product model can be replaced and modified according to the required technical parameters, and the product model is familiar to the technical personnel in the field, so that the technical scheme provided by the utility model can clearly obtain the corresponding use effect.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. A precise laser cutting machine comprises a laser cutting machine body (1) and a laser cutting head (2) which is arranged on the laser cutting machine body and used for cutting a workpiece by laser beams, and is characterized in that a support ring (11) is fixedly sleeved on the lower circumference of the laser cutting head (2), a sleeve (9) is abutted on the upper circumference of the support ring (11), the sleeve (9) is sleeved on the circumference of the laser cutting head (2) in a sliding manner, a copper pipe (13) which is contacted with the outer circumference of the laser cutting head (2) is fixedly arranged on the inner circumference of the sleeve (9) through a pipe clamp, one end of the copper pipe (13) is sealed and tightly communicated with one end of a cooling water inlet pipe (5), the other end of the cooling water inlet pipe (5) is fixedly communicated with the output end of a circulating pump (3), the circulating pump (3) is fixedly arranged on the top of the laser cutting machine body (1), and the input end of the circulating pump (3) is fixedly communicated with a circulating water tank (7) through a pipeline, the circulating water tank (7) is fixedly arranged at the top of the laser cutting machine body (1) and the upper part of an inner cavity of the circulating water tank is sealed and fixedly connected with the other end of the copper pipe (13) through the water return pipe (4).

2. The precision laser cutting machine according to claim 1, characterized in that the copper tube (13) is bent in a zigzag shape and is circumferentially arranged on the inner circumferential surface of the sleeve (9).

3. The precision laser cutting machine according to claim 1, characterized in that the outer circumferential surface of the sleeve (9) is provided with a smoke collecting hood (6), the inner circumferential surface of the lower edge of the smoke collecting hood (6) is connected with an annular smoke absorbing pipe (10), the lower circumference of the annular smoke absorbing pipe (10) is provided with a plurality of smoke inlet holes which are arranged at equal intervals, the annular smoke absorbing pipe (10) is provided with a through hole for hermetically communicating one end of the smoke absorbing pipe (8), and the other end of the smoke absorbing pipe (8) penetrates through the hood skirt (15) and is communicated with external smoke absorbing equipment.

4. The precision laser cutting machine according to claim 3, characterized in that the upper part of the smoke gathering hood (6) is formed into a pipe part (14) for sleeving the sleeve (9), the lower part of the smoke gathering hood (6) forms a hood skirt (15) for enclosing the laser cutting head (2) from the lower periphery of the pipe part (14), and the annular smoke absorbing pipe (10) is fixedly connected with the inner periphery of the lower edge of the hood skirt (15) through a pipe clamp.

5. The precision laser cutting machine according to claim 4, characterized in that a plurality of convex sliding blocks (12) are formed on the inner circumferential surface of the pipe portion (14), and the sliding blocks (12) are inserted into clamping grooves formed on the outer circumferential surface of the sleeve (9) in a sliding manner.

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