Multi-functional intelligent laser head

Abstract

The application discloses a multifunctional intelligent laser head and relates to the technical field of laser cutting.The multifunctional intelligent laser head comprises a mounting cylinder, a connecting cylinder, a lens cooling port, an automatic focusing device, an airflow pipe and a flow guide assembly.The lens cooling port is arranged on the connecting cylinder and extends into the mounting cylinder.The automatic focusing device is fixed to the lower end surface of the connecting cylinder and internally provided with a focusing lens.The outer wall of the automatic focusing device is provided with a focusing lens cooling port.The airflow pipe is fixed to the lower end surface of the automatic focusing device.The flow guide assembly is fixed to the lower end surface of the airflow pipe.The air inlet is arranged on the side wall of the airflow pipe.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of laser cutting technology, and particularly relates to a multifunctional intelligent laser head. BACKGROUND

[0002] The laser head is a core component of a laser cutting machine, directly affects and determines the cutting effect, and the cutting head is composed of a QBH interface locking device, internal light path lenses, internal cooling water paths and a lower end cutting consumable, and the cutting head with automatic focusing is additionally provided with a direct current motor driving device.

[0003] The size of the nozzle aperture of the laser head determines the gas flow rate acting on the cutting material and simultaneously affects the protection of the focusing lens, the larger the aperture of the nozzle, the greater the gas flow rate and the faster the speed, the stronger the ability of the nozzle to remove molten material, the greater the probability of splashing upward during cutting, and the lens is easily damaged, and therefore, reasonable selection of the size of the nozzle aperture of the laser cutting machine can more effectively carry out production, but the existing nozzle needs to be manually replaced when different cutting conditions are required, which is time-consuming, and the cooling effect of the nozzle is poor, resulting in a low service life.

[0004] In view of the above problems, the present application provides a multifunctional intelligent laser head to solve the above problems. SUMMARY

[0005] To achieve the above object, the present application provides the following technical scheme: a multifunctional intelligent laser head, comprising:

[0006] A mounting cylinder is internally provided with a lens;

[0007] A connecting cylinder is sleeved on the outer wall of the mounting cylinder, and a plurality of clamping plates are circumferentially arranged on the outer wall of the connecting cylinder, and the clamping plates clamp the mounting cylinder;

[0008] A lens cooling port is arranged on the connecting cylinder and extends into the mounting cylinder;

[0009] An automatic focusing device is fixed to the lower end surface of the connecting cylinder, and a focusing lens is internally arranged in the automatic focusing device, and a focusing lens cooling port is arranged on the outer wall of the automatic focusing device;

[0010] An air flow pipe is fixed to the lower end surface of the automatic focusing device;

[0011] A flow guide assembly is fixed to the lower end surface of the air flow pipe;

[0012] An air inlet is arranged on the side wall of the air flow pipe.

[0013] Further, preferably, the flow guide assembly comprises:

[0014] A fixing disc is fixed to the lower end surface of the air flow pipe;

[0015] An adjusting motor is fixed on the fixing disc;

[0016] A driving gear is fixed on the output end of the adjusting motor;

[0017] A first flow guide assembly is fixed on the lower end surface of the fixing disc;

[0018] A second flow guide assembly is fixed on the lower end surface of the first flow guide assembly;

[0019] A cooling port is arranged on the second flow guide assembly.

[0020] Further, preferably, the first flow guide assembly comprises:

[0021] A flow guide ring is fixed on the lower end surface of the fixing disc;

[0022] A guide surface is arranged on the inner wall of the flow guide ring.

[0023] Further, preferably, the second flow guide assembly comprises:

[0024] A fixing cylinder is fixed on the lower end surface of the flow guide ring, and a thread is arranged on the outer wall of the fixing cylinder;

[0025] An adjusting gear is threadedly connected to the fixing cylinder, and is engaged with the driving gear;

[0026] A sliding ring is slidingly arranged on the fixing cylinder, and is rotationally connected to the adjusting gear;

[0027] A plurality of push plates are circumferentially hinged to the sliding ring;

[0028] A plurality of outer flow guide assemblies are hinged in the fixing cylinder, and correspond to the push plates one by one;

[0029] A plurality of inner flow guide assemblies are hinged in the fixing cylinder, and are slidingly connected to the outer flow guide assemblies and located between the outer flow guide assemblies;

[0030] A plurality of outer circulation pipes are slidingly arranged in the outer flow guide assemblies;

[0031] A plurality of inner circulation pipes are slidingly arranged in the inner flow guide assemblies.

[0032] Further, preferably, a plurality of hinge seats one, hinge seats two and hinge seats three are circumferentially arranged in the fixing cylinder from bottom to top.

[0033] Further, preferably, the outer flow guide assembly comprises:

[0034] A first connecting rod is hinged to the hinge seat one, and one end of the first connecting rod is hinged to the push plate by a hinge column.

[0035] The outer guide plate is hinged to the other end of the first connecting rod near the bottom and is hinged to the second hinge seat by the second connecting rod near the top.

[0036] Further, preferably, the inner guide assembly comprises:

[0037] The third connecting rod is hinged to the third hinge seat at one end;

[0038] The inner guide plate is hinged to the other end of the third connecting rod;

[0039] The limiting plate is fixed to the inner guide plate and is in sliding connection with the outer guide plate.

[0040] Further, preferably, the outer guide plate and the inner guide plate are both provided with cooling openings and cooling channels arranged in an S shape.

[0041] Compared with the prior art, the present application provides a multifunctional intelligent laser head with the following beneficial effects:

[0042] In the present application, the gas can be preliminarily guided and contracted by the first guide assembly after passing through the airflow pipe, and then can be contracted again by the second guide assembly, so as to change the gas flow and effectively perform cutting operation, and the second guide assembly can be effectively circulated and cooled by the S-shaped cooling channels, so as to reduce the temperature of the second guide assembly and improve the service life. BRIEF DESCRIPTION OF DRAWINGS

[0043] Figure 1 It is a schematic diagram of the overall structure of a multifunctional intelligent laser head;

[0044] Figure 2 It is a schematic diagram of the guide assembly structure of a multifunctional intelligent laser head;

[0045] Figure 3 It is a schematic diagram of the cross-sectional structure of a multifunctional intelligent laser head;

[0046] Figure 4 It is a schematic diagram of the local structure of a multifunctional intelligent laser head;

[0047] Figure 5 It is a schematic diagram of the internal structure of an outer guide plate of a multifunctional intelligent laser head;

[0048] In the figure: 1, mounting cylinder; 2, lens; 3, connecting cylinder; 4, clamping plate; 5, lens cooling port; 6, automatic focusing device; 7, focusing mirror cooling port; 8, air flow pipe; 9, flow guide assembly; 10, air inlet; 91, fixed disc; 92, adjusting motor; 93, drive gear; 94, first flow guide assembly; 95, second flow guide assembly; 96, cooling port; 941, flow guide ring; 942, guide surface; 951, fixed cylinder; 952, adjusting gear; 953, sliding ring; 954, push plate; 955, outer flow guide assembly; 956, inner flow guide assembly; 957, outer circulation pipe; 958, inner circulation pipe; 9511, hinged seat one; 9512, hinged seat two; 9513, hinged seat three; 9551, connecting rod one; 9552, hinged column; 9553, outer flow guide plate; 9554, connecting rod two; 9555, cooling channel; 9561, connecting rod three; 9562, inner flow guide plate; 9563, limiting plate. DETAILED DESCRIPTION

[0049] REFERENCE Figures 1-5 The present application provides a technical solution: a multifunctional intelligent laser head, comprising:

[0050] The mounting cylinder 1 has a lens 2 installed inside;

[0051] The connecting cylinder 3 is sleeved on the outer wall of the mounting cylinder 1, and the outer wall of the connecting cylinder 3 is circumferentially provided with a plurality of clamping plates 4, and the clamping plates 4 clamp the mounting cylinder 1;

[0052] The lens cooling port 5 is opened on the connecting cylinder 3 and extends into the mounting cylinder 1;

[0053] The automatic focusing device 6 is fixed to the lower end surface of the connecting cylinder 3, and has a focusing mirror installed inside, and the outer wall is provided with a focusing mirror cooling port 7;

[0054] The air flow pipe 8 is fixed to the lower end surface of the automatic focusing device 6;

[0055] The flow guide assembly 9 is fixed to the lower end surface of the air flow pipe 8;

[0056] The air inlet 10 is opened on the side wall of the air flow pipe 8.

[0057] That is, the lens cooling port 5 and the focusing mirror cooling port 7 can effectively reduce the temperature of the lens 2 and the focusing mirror, thereby avoiding the influence of high temperature on the laser cutting effect.

[0058] In this embodiment, the flow guide assembly 9 comprises:

[0059] The fixed disc 91 is fixed to the lower end surface of the air flow pipe 8;

[0060] An adjusting motor 92 is fixed on the fixing disc 91;

[0061] A driving gear 93 is fixed on the output end of the adjusting motor 92;

[0062] A first flow guide assembly 94 is fixed on the lower end surface of the fixing disc 91;

[0063] A second flow guide assembly 95 is fixed on the lower end surface of the first flow guide assembly 94;

[0064] Wherein, the gas can be preliminarily contracted by the first flow guide assembly 94 after passing through the gas flow pipe 8, and then can be contracted again by the second flow guide assembly 95, so as to change the gas flow and effectively perform cutting operation.

[0065] A cooling port 96 is arranged on the second flow guide assembly 95.

[0066] As a preferred embodiment, the first flow guide assembly 94 comprises:

[0067] A flow guide ring 941 is fixed on the lower end surface of the fixing disc 91;

[0068] A guide surface 942 is arranged on the inner wall of the flow guide ring 941.

[0069] As a preferred embodiment, the second flow guide assembly 95 comprises:

[0070] A fixing cylinder 951 is fixed on the lower end surface of the flow guide ring 941, and a thread is arranged on the outer wall of the fixing cylinder 951;

[0071] An adjusting gear 952 is threadedly connected on the fixing cylinder 951, and is engaged with the driving gear 93;

[0072] A sliding ring 953 is slidingly arranged on the fixing cylinder 951, and is rotationally connected with the adjusting gear 952;

[0073] A plurality of push plates 954 are circumferentially hinged on the sliding ring 953;

[0074] A plurality of outer flow guide assemblies 955 are hinged in the fixing cylinder 951, and correspond to the push plates 954 one by one;

[0075] A plurality of inner flow guide assemblies 956 are hinged in the fixing cylinder 951, and are slidingly connected with the outer flow guide assemblies 955 and located between the outer flow guide assemblies 955;

[0076] A plurality of outer circulating pipes 957 are slidingly arranged in the outer flow guide assemblies 955;

[0077] The inner circulation pipe 958 is configured as a plurality of pipes and is slidably arranged in the inner flow guide assembly 956.

[0078] It should be noted that the diameters of the outer flow guide assembly 955 and the inner flow guide assembly 956 are less than the minimum diameter of the flow guide ring 941, and the thickness of the driving gear 93 is twice the thickness of the adjusting gear 952, so that the adjusting gear 952 and the driving gear 93 can slide.

[0079] As a preferred embodiment, the fixing cylinder 951 is circumferentially arranged with a plurality of hinge seats one 9511, hinge seats two 9512 and hinge seats three 9513 from bottom to top.

[0080] As a preferred embodiment, the outer flow guide assembly 955 comprises:

[0081] The connecting rod one 9551 is hingedly connected to the hinge seat one 9511, and one end of the connecting rod one 9551 is hingedly connected to the pushing plate 954 through the hinge column 9552.

[0082] The outer flow guide plate 9553 is hingedly connected to the other end of the connecting rod one 9551 near the bottom and is hingedly connected to the hinge seat two 9512 through the connecting rod two 9554 near the top.

[0083] As a preferred embodiment, the inner flow guide assembly 956 comprises:

[0084] The connecting rod three 9561 is hingedly connected to the hinge seat three 9513 at one end.

[0085] The inner flow guide plate 9562 is hingedly connected to the other end of the connecting rod three 9561.

[0086] The limiting plate 9563 is fixed to the inner flow guide plate 9562 and is slidably connected to the outer flow guide plate 9553.

[0087] It should be noted that the bottom of the flow guide ring 941 extends into the second flow guide assembly 95, and the bottom of the flow guide ring 941 is lower than the bottom of the connecting rod three 9561, that is, the gas directly enters between the inner flow guide plate 9562 and the outer flow guide plate 9553 after passing through the flow guide ring 941, avoiding the gas flowing out from the connecting rod three 9561.

[0088] As a preferred embodiment, the outer flow guide plate 9553 and the inner flow guide plate 9562 are both provided with cooling openings 96, and the cooling channels 9555 are arranged in the cooling openings 96.

[0089] That is, when cutting, the second flow guide assembly can be effectively cooled through the S-shaped cooling channels, thereby reducing the temperature of the second flow guide assembly and improving the service life.

[0090] Specifically, the laser head is installed on the cutting device, and then the device is started for laser cutting. When cutting, the gas can be preliminarily guided and contracted by the first guide assembly 94 after passing through the gas flow pipe 8, and then the gas can be contracted again by the second guide assembly 95, so as to change the gas flow and effectively cut. The second guide assembly 95 can be effectively circulated and cooled by the S-shaped cooling channel 9555, so as to reduce the temperature of the second guide assembly 95, improve the service life, and when adjusting, the adjusting motor 92 drives the driving gear 93 to drive the adjusting gear 95 to rotate, so as to drive the sliding ring 953 to slide, and the plurality of connecting rods drive the outer guide plate 9553 and the inner guide plate 9562 to move synchronously, so as to change the gas flow between the outer guide plate 9553 and the inner guide plate 9562.

[0091] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can make equivalent replacements or changes within the technical range disclosed by the present application according to the technical solution and inventive concept of the present application, which should be covered within the protection scope of the present application.

Claims

1. A multifunctional intelligent laser head, characterized in that: include: The mounting tube (1) has a lens (2) installed inside it; A connecting cylinder (3) is sleeved on the outer wall of the mounting cylinder (1), and multiple snap-fit ​​plates (4) are arranged around the outer wall of the connecting cylinder (3), and the snap-fit ​​plates (4) snap-fit ​​the mounting cylinder (1). The lens cooling port (5) is opened on the connecting cylinder (3) and extends into the mounting cylinder (1); An automatic focusing device (6) is fixed to the lower end face of the connecting cylinder (3) and a focusing lens is installed inside it. A focusing lens cooling port (7) is opened on its outer wall. The airflow pipe (8) is fixed to the lower end face of the automatic focusing device (6); A flow guide assembly (9) is fixed to the lower end face of the airflow pipe (8); An air inlet (10) is provided on the side wall of the airflow pipe (8); The flow guiding component (9) includes: A fixing plate (91) is fixed to the lower end face of the airflow pipe (8); Adjust the motor (92), which is fixed on the fixed plate (91); The drive gear (93) is fixed at the output end of the regulating motor (92); The first flow guiding component (94) is fixed to the lower end face of the fixed disk (91); The second flow guiding component (95) is fixed to the lower end face of the first flow guiding component (94); A cooling vent (96) is provided on the second airflow guide assembly (95); The first flow guiding component (94) includes: A flow guide ring (941) is fixed to the lower end face of the fixed disk (91); A guide surface (942) is formed on the inner wall of the guide ring (941); The second flow guiding component (95) includes: A fixed cylinder (951) is fixed to the lower end face of the guide ring (941), and its outer wall is threaded. Adjusting gear (952) is threaded onto the fixed cylinder (951) and meshes with the drive gear (93); A sliding ring (953) is slidably disposed on the fixed cylinder (951) and rotatably connected to the adjusting gear (952); Multiple push plates (954) are configured and circumferentially hinged to the sliding ring (953); Multiple external guide assemblies (955) are configured to be hinged within the fixed cylinder (951) and correspond one-to-one with the push plate (954); The inner flow guide assembly (956) is configured in multiples, hinged within the fixed cylinder (951), and slidably connected to the outer flow guide assembly (955), and located between the multiple outer flow guide assemblies (955); Multiple external circulation pipes (957) are configured and slidably disposed within the external flow guide assembly (955); Multiple internal circulation pipes (958) are configured and slidably disposed within the internal flow guide assembly (956).

2. The multifunctional intelligent laser head according to claim 1, characterized in that: The fixed cylinder (951) is provided with a plurality of hinge seats one (9511), hinge seat two (9512) and hinge seat three (9513) arranged circumferentially from bottom to top.

3. A multifunctional intelligent laser head according to claim 2, characterized in that: The external flow guide assembly (955) includes: Link 1 (9551) is hinged to the hinge seat 1 (9511), and one end of it is hinged to the push plate (954) by a hinge post (9552); The outer guide plate (9553) is hinged to the other end of the connecting rod (9551) near the bottom, and is hinged to the hinge seat (9512) by the connecting rod (9554) near the top.

4. A multifunctional intelligent laser head according to claim 3, characterized in that: The internal flow guide assembly (956) includes: Linkage 3 (9561) is hinged at one end to hinge seat 3 (9513); The inner guide plate (9562) is hinged to the other end of the connecting rod three (9561); The limiting plate (9563) is fixed on the inner guide plate (9562) and slidably connected to the outer guide plate (9553).

5. A multifunctional intelligent laser head according to claim 3, characterized in that: Both the outer guide plate (9553) and the inner guide plate (9562) are provided with cooling ports (96), and both are provided with cooling channels (9555) inside, which are arranged in an S-shape.

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