Supporting frame for cutting multi-curved mirror

Abstract

The present application relates to the technical fields of optical element processing, and discloses a supporting frame for cutting a multi-curved mirror, which comprises a supporting base and an extendable supporting pipe; the extendable supporting pipe is installed at the inner bottom of the supporting base, and the top of the extendable supporting pipe is provided with a curved supporting plate; a heat-conducting air bag is arranged on the curved supporting plate, and the heat-conducting air bag supports and adheres to the bottom of the mirror; the heat-conducting air bag and a plurality of connecting clamps jointly position and clamp the mirror; the heat-conducting air bag adhering to the bottom conducts the temperature of the mirror, thereby conducting the heat of the mirror in the laser cutting. Through the cooperative clamping and positioning, the extendable push rods in the annular array drive the connecting clamps to clamp the edge of the mirror from the circumference, thereby providing radial constraint; the extendable supporting pipe jacks up the heat-conducting air bag, so that the heat-conducting air bag adheres to the curved bottom of the mirror, thereby providing axial support; the circumferential clamp and the bottom air bag cooperatively realize the spatial positioning of the mirror, and the active heat-conducting function reduces the risk of thermal damage.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of optical element processing, in particular to a support frame for cutting a multi-curved mirror. BACKGROUND

[0002] The laser cutting machine is a laser cutting machine that emits laser beams from a laser, focuses them into high-power density laser beams through an optical path system, and irradiates the workpiece surface with the laser beams. The workpiece reaches the melting point or boiling point, and the high-pressure gas coaxial with the light beam blows away the molten or gaseous metal. With the relative position of the light beam and the workpiece moving, the material finally forms a cutting seam, thereby achieving the purpose of cutting. Among them, the laser generated by the laser generator needs to pass through the external light path, and the refractive mirror is used to guide the laser to the desired direction. The mirror holder plays a fixing and adjusting role for the laser mirror.

[0003] The prior art discloses a simple laser cutting machine mirror holder, application number CN201721266621.X, including a base, a mirror holder, a support rod, an adjusting screw, a mirror, the base is connected with the support rod, the mirror holder is fixed on the support rod, the mirror holder includes a support seat and a rotating part, the rotating part is fixed on the support seat through the adjusting screw at both ends, the mirror is arranged in the rotating part, the base and the support rod are also provided with adjusting screws, and the mirror holder and the support rod are of an integral structure. The structure is simple, small and convenient to install. The orientation of the mirror can be freely adjusted through the adjusting screws on the two sides of the rotating part and the support rod. The actual needs of the external light path of the laser cutting machine are met, and the mirror is convenient to disassemble and clean. However, the prior art, especially the scheme, still has the following problems:

[0004] The existing equipment clamping mode is single, cannot adapt to different mirror edge shapes, and cannot be clamped with screws, so it cannot be switched and adjusted for the diversified structure of the mirror edge, such as mirrors with or without flanges, resulting in unstable clamping or poor adaptability; there is a lack of effective thermal management mechanism, which is prone to thermal damage; at the same time, the support stability of the equipment for the mirror is insufficient, especially for multi-curved mirrors. SUMMARY

[0005] The purpose of the present application is to provide a technical solution that can adjust the shape of the mirror for diversified clamping, and the clamping structure can effectively manage the heat of the mirror during the laser cutting process to solve the problems in the prior art mentioned in the background.

[0006] To achieve the above-mentioned purpose, the present application adopts the following technical solutions:

[0007] A support frame for cutting a multi-curved mirror, comprising:

[0008] A support base and a telescopic support pipe;

[0009] The upper part of the support base is provided with a plurality of groups of push rod supports arranged in an annular array, each group of push rod supports is provided with a telescopic push rod, and a connecting clamp for clamping the mirror is mounted on the telescopic rod of the telescopic push rod, and the plurality of connecting clamps jointly clamp the periphery of the mirror.

[0010] The telescopic support pipe is mounted on the inner bottom of the support base, the top of the telescopic support pipe is provided with a curved supporting plate, and the curved supporting plate is provided with a heat-conducting air bag, the top heat-conducting air bag of the telescopic support pipe supports and fits the bottom of the mirror, the heat-conducting air bag and the plurality of connecting clamps jointly position and clamp the mirror, the heat-conducting air bag on the bottom fits the mirror to conduct heat to the mirror in the laser cutting.

[0011] Preferably, a clamp slot for clamping support is formed in the connecting clamp, the connecting clamp has two clamping states, and a rotating plate is rotatably mounted at the end of the connecting clamp, and the rotating plate is rotated on the connecting clamp to adjust and switch between the two clamping states.

[0012] Preferably, an adjusting push rod is mounted on the upper part of the connecting clamp, the telescopic rod of the adjusting push rod is rotatably connected to the rotating plate through a connecting shaft, and the adjusting push rod adjusts and switches the rotating plate through telescopic adjustment.

[0013] Preferably, the telescopic support pipe and the curved supporting plate are connected and mounted through a connecting pipe base, the bottom of the telescopic support pipe is connected to the bottom of the heat-conducting air bag through a connecting joint, and the connecting joint is located in the interior of the heat-conducting air bag.

[0014] Preferably, a circulating pipe one is arranged on the connecting joint, and a circulating pipe two is arranged on the bottom of the telescopic support pipe, and the heat-conducting liquid in the heat-conducting air bag circulates through the circulating pipe one and the circulating pipe two.

[0015] Preferably, the heat-conducting air bag is arranged in a deformable curved shape, and a heat-conducting soft plate is arranged on the surface of the heat-conducting air bag in contact with the mirror, and the heat-conducting soft plate is arranged in a flexible material of metal knitting to improve the heat conduction effect between the liquid in the heat-conducting air bag and the mirror.

[0016] Preferably, a buffer structure is arranged between the telescopic rod of the telescopic push rod and the connecting clamp, and the buffer structure is arranged as a spring.

[0017] Preferably, a plurality of groups of support top rods arranged in an annular array are mounted on the support base, a flexible top block for contacting the surface of the mirror is arranged on the top of the support top rod, and the plurality of groups of connecting clamps and the plurality of groups of support top rods are jointly matched to realize the clamping and supporting of the mirror.

[0018] Preferably, the push rod support side and bottom are provided with telescopic holes, the telescopic hole of the side is used for the installation of the telescopic push rod, and the telescopic hole of the bottom is used for the installation of the supporting top rod.

[0019] Preferably, the bottom of the bracket base is provided with a base, and the base is provided with a driving push rod used for driving the telescopic supporting pipe to move in the vertical direction.

[0020] The technical effect and advantages of the present application: compared with the prior art, the supporting frame for cutting a multi-curved mirror has the following advantages:

[0021] The present application provides radial constraint by cooperatively clamping and positioning, the circumferential clamps of the annular array of telescopic push rods drive the clamps to clamp the mirror edge from the circumference; the telescopic supporting pipe jacks up the heat-conducting air bag to make it fit the bottom curved surface of the mirror, thereby providing axial support; the circumferential clamps and the bottom air bag cooperate to realize the spatial positioning of the mirror; the active heat conduction function makes the heat-conducting air bag directly contact the bottom of the mirror, thereby conducting heat through physical fitting in laser cutting, absorbing local high temperature, and reducing the risk of thermal damage. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 Fig. 1 is a perspective view of the supporting frame for cutting a multi-curved mirror according to the present application;

[0023] Figure 2 Fig. 2 is a front view of the supporting frame for cutting a multi-curved mirror according to the present application;

[0024] Figure 3 Fig. 3 is an enlarged view of part A in the present application; Figure 2

[0025] Figure 4 Fig. 4 is a partial cross-sectional view of the supporting frame for cutting a multi-curved mirror according to the present application;

[0026] Figure 5 Fig. 5 is a top view of the supporting frame for cutting a multi-curved mirror according to the present application;

[0027] Figure 6 Fig. 6 is a schematic view of the installation of the telescopic push rod and the supporting top rod on the push rod support in the present application;

[0028] Figure 7 Fig. 7 is a schematic view of the clamping mode for two different mirrors in the embodiment of the present application.

[0029] In the drawings:

[0030] ​11. Support base; 12. Base; 13. Push rod support; 14. Telescopic push rod; 15. Connecting clamp; 16. Telescopic hole; 17. Support rod; 18. Flexible top block; 19. Rotating plate; 110. Adjusting push rod; 111. Clamp slot; 112. Connecting shaft;

[0031] 21. Telescopic support tube; 22. Connecting tube seat; 23. Heat-conducting airbag; 24. Curved support plate; 25. Heat-conducting soft plate; 26. Connecting joint; 27. Circulation tube one; 28. Circulation tube two; 31. Reflector. Detailed Implementation

[0032] The subject matter described herein will now be discussed with reference to exemplary embodiments. It should be understood that these embodiments are discussed only to enable those skilled in the art to better understand and implement the subject matter described herein, and changes may be made to the function and arrangement of the elements discussed without departing from the scope of this specification. Various processes or components may be omitted, substituted, or added as needed in the examples. Furthermore, features described in some examples may be combined in other examples.

[0033] The invention provides, for example Figures 1 to 7 As shown, a support frame for cutting multi-curved mirrors includes:

[0034] Support base 11 and telescopic support tube 21;

[0035] The upper part of the support base 11 is provided with multiple sets of push rod supports 13 arranged in a ring array. Each set of push rod supports 13 is equipped with a telescopic push rod 14. The telescopic rod of the telescopic push rod 14 is equipped with a connecting clamp 15 for clamping the reflector 31. Multiple sets of connecting clamps 15 together clamp the periphery of the reflector 31.

[0036] The telescopic support tube 21 is installed at the inner bottom of the support base 11. A curved support plate 24 is installed on the top of the telescopic support tube 21. A heat-conducting airbag 23 is provided on the curved support plate 24. The heat-conducting airbag 23 on the top of the telescopic support tube 21 supports and fits the bottom of the reflector 31. The heat-conducting airbag 23 and multiple sets of connecting clamps 15 together position and clamp the reflector 31. The heat-conducting airbag 23, which fits the bottom, conducts temperature to the reflector 31, thereby conducting heat to the reflector 31 during laser cutting.

[0037] Working principle: the telescopic push rod 14 of the annular array drives the connecting clamp 15 to clamp the edge of the mirror 31 in the circumferential direction, providing radial constraint and achieving cooperative clamping positioning; the telescopic support pipe 21 lifts the heat-conducting air bag 23, making it adhere to the bottom curved surface of the mirror 31 to provide axial support; the circumferential clamp and the bottom air bag work together to achieve spatial positioning of the mirror 31; the active heat conduction function: the heat-conducting air bag 23 directly contacts the bottom of the mirror 31, conducts heat through physical adhesion during laser cutting, absorbs local high temperature, and reduces the risk of thermal damage.

[0038] Stable adaptive clamping: the flexible deformation characteristics of the heat-conducting air bag 23 enable it to adapt to the curved bottom of the mirror 31, forming a complementary support with the circumferential clamp to avoid hard contact damage, especially for complex curved surfaces; integrated heat management: the air bag directly conducts cutting heat while supporting, solving the local heat dissipation problem of the mirror 31 during laser cutting and improving cutting quality. The structure is simplified and efficient. The support base 11 integrates circumferential clamping and bottom support, achieving positioning and heat management functions with a single device and reducing operation steps.

[0039] As shown in Figure 3 and Figure 7 , especially Figure 7 , the edge of the mirror 31 has two shapes, one without a flange and the other with a flange. The conventional support frame clamping method is single when cutting the mirror 31 by laser cutting. In order to meet the two common shapes of the edge of the mirror 31, the connecting clamp 15 is provided with a clamp slot 111 for clamping and supporting. The connecting clamp 15 has two clamping states. The end of the connecting clamp 15 is rotatably installed with a rotating plate 19. The rotating plate 19 is adjusted by rotating on the connecting clamp 15 to realize switching between the two clamping states.

[0040] Specifically, as shown in Figure 7 , the upper part of the connecting clamp 15 is provided with an adjusting push rod 110. The telescopic rod of the adjusting push rod 110 is rotatably connected to the rotating plate 19 through a connecting shaft 112. The adjusting push rod 110 adjusts the rotating plate 19 by telescopic adjustment.

[0041] As shown in Figure 2 and Figure 4 , regarding the mounting method and specific mounting structure of the heat-conducting air bag 23, the telescopic support pipe 21 and the curved supporting plate 24 are connected and mounted through the connecting pipe base 22. The bottom of the telescopic support pipe 21 is connected to the heat-conducting air bag 23 through the connecting joint 26, and the connecting joint 26 is located inside the heat-conducting air bag 23.

[0042] As shown in Figure 4As shown, in order to achieve heat conduction inside the heat-conducting air bag 23, as an embodiment, a circulating pipe one 27 is arranged on the connecting joint 26, and a circulating pipe two 28 is arranged at the bottom of the telescopic supporting pipe 21, and the heat-conducting liquid inside the heat-conducting air bag 23 is circulated through the circulating pipe one 27 and the circulating pipe two 28; specifically, the heat-conducting liquid can be mixed with metal scraps to achieve rapid heat conduction inside the heat-conducting air bag 23.

[0043] As shown in Figure 2 and Figure 4 shown, in order to obtain good heat conduction effect, the heat-conducting air bag 23 is arranged as a deformable curved surface air bag, and the surface of the heat-conducting air bag 23 in contact with the mirror 31 is provided with a heat-conducting soft plate 25, which is arranged as a flexible material woven with metal to improve the heat conduction effect between the liquid inside the heat-conducting air bag 23 and the mirror 31.

[0044] Regarding the purpose and effect of the arrangement of the heat-conducting air bag 23: during laser cutting, the mirror 31 will locally generate high temperature due to accumulation of laser energy. The heat-conducting air bag 23 actively and efficiently conducts the heat near the cutting area of the mirror 31 out through the heat-conducting liquid circulating inside and the heat-conducting soft plate 25 in surface contact. Heat damage and deformation are prevented, and through continuous heat conduction, the heat-conducting air bag 23 significantly reduces the temperature peak of the mirror 31 at the cutting point, effectively preventing material damage such as cracking, melting or thermal deformation of the mirror 31 caused by local overheating, thereby ensuring the cutting precision and the quality of the finished mirror 31.

[0045] Providing adaptive support and positioning: deformable to fit the curved surface, the heat-conducting air bag 23 is designed as a deformable curved surface air bag. When being pushed up by the telescopic supporting pipe 21, it can adaptively deform to accurately fit the complex curved surface profile of the bottom of the mirror 31; uniform flexible support: this fitting provides large-area, uniform flexible support force, which cooperates with the circumferential connecting clamp 15 and the side support jacks 17 to jointly position the mirror 31 stably in the predetermined position, avoiding vibration or displacement during cutting; protecting the mirror surface: the flexibility of the air bag and the flexible design of the heat-conducting soft plate 25 on the surface avoid scratches or indentations on the mirror surface that may be caused by hard contact while providing support.

[0046] As shown in Figure 1 and Figure 5As shown, the telescopic push rod 14 and the connecting clamp 15 are provided with a buffer structure, which is a spring. Specifically, in order to achieve the cooperative clamping effect of multiple sets of telescopic push rods 14, a pressure sensor is further arranged between the telescopic push rod 14 and the connecting clamp 15, and a controller for controlling multiple sets of telescopic push rods 14 is further included, which receives signals from the pressure sensor at the same time, so as to achieve the suitable clamping of the telescopic push rod 14 and the connecting clamp 15 on the mirror 31.

[0047] As shown in Figure 4 and Figure 5 In order to cooperate with the support and clamping of the telescopic push rod 14 and the connecting clamp 15, the clamping of the mirror 31 is provided from two directions of the side and the bottom, so as to achieve firm clamping. A plurality of support top rods 17 arranged in a ring array are installed on the support base 11, and flexible top blocks 18 are arranged at the top of the support top rods 17 for contacting the surface of the mirror 31. Multiple connecting clamps 15 and multiple support top rods 17 cooperate to achieve the support and clamping of the mirror 31.

[0048] More specifically, the push rod support 13 is provided with telescopic holes 16 on the side and the bottom. The telescopic hole 16 on the side is used for the installation of the telescopic push rod 14, and the telescopic hole 16 on the bottom is used for the installation of the support top rod 17. Further, the bottom of the support base 11 is provided with a base 12, and the base 12 is installed with a driving push rod for driving the telescopic support tube 21 to move in the vertical direction.

[0049] In summary, the present application also has the following comprehensive effects:

[0050] Clamping mechanism: multiple clamps cooperate to clamp, the push rod support 13 arranged in a ring array on the support base 11 is installed with the telescopic push rod 14, and the connecting clamps 15 on the telescopic rod jointly clamp the periphery of the mirror 31, achieving circumferential fixation; double-state clamp switching, the connecting clamp 15 realizes two clamping states through the end rotating plate 19, and is suitable for the mirror 31 with and without flanging, and the rotating plate 19 is switched by the adjusting push rod 110; side and bottom cooperation support, the support top rod 17 is arranged on the support base 11, the flexible top block 18 at the top contacts the surface of the mirror 31, cooperates with the connecting clamp 15, and provides side and bottom multidirectional clamping.

[0051] Bottom support and temperature conduction: The air bag support is fitted, the telescopic support tube 21 is installed through the connecting pipe base 22 to the curved supporting plate 24, the upper top heat conduction air bag 23 is fitted to the bottom of the mirror 31 to provide support and positioning; Liquid heat conduction circulation: The heat conduction air bag 23 is connected through the connecting joint 26 with the telescopic support tube 21, the heat conduction liquid circulates through the circulation pipe one 27 and the circulation pipe two 28, and heat conduction is realized; Heat conduction enhancement design: The heat conduction soft plate 25 with metal braid is arranged on the surface of the heat conduction air bag 23 to improve the contact heat conduction efficiency with the mirror 31.

[0052] Control and buffering: The intelligent control clamp is fitted, the buffer spring and the pressure sensor are arranged between the telescopic push rod 14 and the connecting clamp 15, the controller receives the sensor signal, coordinates multiple groups of telescopic push rods 14, and ensures that the clamping force is uniform; Height adjustment: The driving push rod of the base 12 drives the telescopic support tube 21 to move vertically, and the height of the heat conduction air bag 23 is adjusted to adapt to the mirror 31.

[0053] The mirror 31 is clamped from the periphery through the telescopic push rod 14 and the connecting clamp 15, supports two kinds of edge shapes, and provides side auxiliary support in combination with the supporting top rod 17; The bottom heat conduction air bag 23 is fitted and supported, and the internal heat conduction liquid circulates and conducts cutting heat; The buffer and the controller ensure stable clamping. In laser cutting, the heat conduction air bag 23 conducts heat to prevent local overheating of the mirror 31.

[0054] Strong universality: The double-state switching of the connecting clamp 15 can adapt to the mirror 31 with a turned-up edge and the mirror 31 without a turned-up edge, solves the problem of single clamping of a conventional support frame, and expands the application range; Firm and stable clamping: Multiple connecting clamps 15, supporting top rods 17 and heat conduction air bags 23 work together to realize multi-directional clamping of the periphery, the side and the bottom, and reduce vibration or displacement during cutting; Efficient heat management: The internal heat conduction liquid circulation and the surface heat conduction soft plate 25 of the heat conduction air bag 23 quickly conduct the heat generated by laser cutting to prevent thermal deformation or damage of the mirror 31; Intelligent protection: The buffer spring and the pressure sensor are combined with the controller to automatically adjust the clamping force to avoid breakage of the mirror 31 due to overpressure; Flexible operation: The driving push rod and the telescopic support tube 21 allow height adjustment to facilitate adaptation to mirrors 31 of different sizes; The overall structure is convenient for installation and adjustment.

[0055] The embodiments of the application are described above, but the application is not limited to the specific embodiments described above, and the specific embodiments described above are only illustrative but not limiting, and many forms can be made by those skilled in the art under the inspiration of the application, which all belong to the protection of the application.

Claims

1. A support frame for cutting multi-curved reflectors, characterized in that, include: Support base (11) and telescopic support tube (21); The upper part of the support base (11) is provided with multiple sets of push rod supports (13) arranged in a ring array. Each set of push rod supports (13) is equipped with a telescopic push rod (14). The telescopic rod of the telescopic push rod (14) is equipped with a connecting clamp (15) for clamping the reflector (31). Multiple sets of connecting clamps (15) together clamp the periphery of the reflector (31). The telescopic support tube (21) is installed at the bottom of the support base (11). A curved support plate (24) is installed on the top of the telescopic support tube (21). A heat-conducting airbag (23) is provided on the curved support plate (24). The heat-conducting airbag (23) on the top of the telescopic support tube (21) supports and fits the bottom of the reflector (31). The heat-conducting airbag (23) and multiple sets of connecting clamps (15) together position and clamp the reflector (31). The heat-conducting airbag (23) that fits the bottom conducts temperature to the reflector (31), thereby conducting heat to the reflector (31) in laser cutting.

2. The support frame for cutting a multi-curved mirror according to claim 1, characterized in that, The connecting clamp (15) is provided with a clamp slot (111) for clamping and supporting. The connecting clamp (15) has two clamping states. A rotating plate (19) is rotatably installed at the end of the connecting clamp (15). The rotating plate (19) rotates and adjusts on the connecting clamp (15) to realize the switching between the two clamping states.

3. The support frame for cutting a multi-curved mirror according to claim 2, characterized in that, An adjusting push rod (110) is installed on the upper part of the connecting clamp (15). The telescopic rod of the adjusting push rod (110) is rotatably connected to the rotating plate (19) through the connecting shaft (112). The adjusting push rod (110) realizes the switching adjustment of the rotating plate (19) through telescopic adjustment.

4. The support frame for cutting a multi-curved mirror according to claim 1, characterized in that, The telescopic support tube (21) and the curved support plate (24) are connected and installed through the connecting tube seat (22). The telescopic support tube (21) is connected to the bottom of the heat-conducting airbag (23) through the connecting joint (26), and the connecting joint (26) is located inside the heat-conducting airbag (23).

5. The support frame for cutting a multi-curved mirror according to claim 4, characterized in that, The connecting joint (26) is provided with a circulation pipe one (27), and the bottom of the telescopic support pipe (21) is provided with a circulation pipe two (28). The heat-conducting liquid inside the heat-conducting airbag (23) circulates through the circulation pipe one (27) and the circulation pipe two (28).

6. The support frame for cutting a multi-curved mirror according to claim 5, characterized in that, The heat-conducting airbag (23) is configured as a deformable curved airbag. The surface of the heat-conducting airbag (23) in contact with the reflector (31) is provided with a heat-conducting soft plate (25). The heat-conducting soft plate (25) is configured as a flexible material of metal braid to improve the heat conduction effect between the liquid inside the heat-conducting airbag (23) and the reflector (31).

7. The support frame for cutting a multi-curved mirror according to claim 1, characterized in that, A buffer structure is provided between the telescopic rod (14) and the connecting clamp (15), and the buffer structure is a spring.

8. The support frame for cutting a multi-curved mirror according to claim 1, characterized in that, The support base (11) is equipped with several sets of support rods (17) arranged in a ring array. The top of the support rods (17) is provided with a flexible top block (18) for contacting the surface of the reflector (31). Multiple sets of connecting clamps (15) and multiple sets of support rods (17) work together to achieve the support and clamping of the reflector (31).

9. A support frame for cutting a multi-curved mirror according to claim 8, characterized in that, The push rod support (13) has telescopic holes (16) on its side and bottom. The telescopic holes (16) on the side are used for the installation of the telescopic push rod (14), and the telescopic holes (16) at the bottom are used for the installation of the support rod (17).

10. A support frame for cutting a multi-curved mirror according to any one of claims 1-9, characterized in that, The bottom of the support base (11) is provided with a base (12), and a drive push rod for driving the telescopic support tube (21) to move in the vertical direction is installed on the base (12).

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