Coaxial temperature measuring laser head

Abstract

The utility model relates to coaxial temperature measurement laser head, including laser incidence cylinder, reflection pipe cylinder, laser emission cylinder, first three -way pipe, second three -way pipe, image acquisition cylinder and temperature measurement lens barrel constitute the coaxial temperature measurement laser head body, the support structure sets up in laser incidence cylinder, reflection pipe cylinder, laser emission cylinder, first three -way pipe and second three -way pipe outside, the protection structure sets up in temperature measurement lens barrel outside and is connected with support structure. The support structure is fixed in the laser head outside, can support the coaxial temperature measurement laser head body, makes the connecting end of laser head and welding head be located in the side, facilitates the welding head installation, the suction cup on the support plate and the tabletop mutual adsorption, can increase the stability when installing, after the support structure installation, the protection frame in the protection structure is located in temperature measurement lens barrel outside, the support plate and the connecting plate and the pull plate in the support structure are located in the laser head outside, and the laser head whole is protected.

Description

Technical Field

[0001] This application relates to the field of laser welding technology, specifically to a coaxial temperature-sensing laser head. Background Technology

[0002] Laser welding is a highly efficient and precise welding method that utilizes a high-energy-density laser beam as a heat source. It is a crucial application of laser materials processing technology, primarily used for welding thin-walled materials and low-speed welding. The welding process is heat conduction-based, meaning the laser radiation heats the workpiece surface, and the surface heat diffuses inward through heat conduction. By controlling parameters such as the laser pulse width, energy, peak power, and repetition frequency, the workpiece melts, forming a specific molten pool. Due to its unique advantages, it has been successfully applied to the precision welding of micro and small parts. Laser coaxial welding temperature measurement is a technique that uses a coaxial temperature measurement system to monitor the temperature of the welding area in real time during the laser welding process.

[0003] Existing technology disclosure number CN215615790U discloses a coaxial temperature-measuring, visually adjustable-focus laser welding head. The main body of the laser emitting tube, the first three-way tube structure, the second three-way tube structure, and the image acquisition tube are sequentially connected in a straight line to form a linear cylindrical structure. The first and second three-way tube structures are respectively connected to the laser incident fiber and the temperature detection component. Simultaneously, the image acquisition tube is connected to a digital camera, and the second end of the temperature-measuring tube is connected to an infrared temperature measurement component. A reflective lens is installed inside the reflective tube structure, and a first beam-combining lens is installed inside the first three-way tube structure. The first beam-combining lens is used to direct the light emitted from the laser emitting fiber towards the laser emitting tube. A second beam-combining lens is installed inside the second three-way tube structure. This laser welding head can perform coaxial temperature measurement of the laser welding position, coaxial imaging of the welding position, and adjustment of the welding focus position.

[0004] A coaxial laser welding head is a welding head installed at the end of a coaxial laser head. Because the laser head has an irregular shape, it is inconvenient to place the laser head when installing the welding head, which affects the welding installation operation. Moreover, different welding methods require different welding heads. When the welding head is replaced, there is no external protective structure, which makes it susceptible to external factors and damage to the laser head.

[0005] Therefore, we require a coaxial temperature measurement laser head. Utility Model Content

[0006] This utility model addresses the technical problems existing in the prior art by providing a coaxial temperature measuring laser head.

[0007] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: A coaxial temperature measuring laser head includes a body comprising a laser incident tube, a reflective tube, a laser emitting tube, a first three-way tube, a second three-way tube, an image acquisition tube, and a temperature measuring lens tube. The coaxial temperature measuring laser head further includes: a support structure disposed outside the laser incident tube, the reflective tube, the laser emitting tube, the first three-way tube, and the second three-way tube; and a protective structure disposed outside the temperature measuring lens tube and connected to the support structure.

[0008] The beneficial effects of this utility model are as follows: by pulling the pull plate in the support structure, the limiting rod and spring are compressed, and the locking block is pulled close to the removal of the connecting plate. Then, the support structure is sleeved from the top of the laser head downwards onto the outside of the laser head, so that the locking block corresponds to the locking groove on the first tee pipe and the second tee pipe. The pull plate is released, so that the locking block is respectively locked into the locking groove on the side wall of the first tee pipe and the second tee pipe, thereby fixing the support structure to the coaxial temperature measuring laser head body. The support structure can support the coaxial temperature measuring laser head body, so that the connection end of the laser head and the welding head is located on the side, which facilitates the installation of the welding head.

[0009] Preferably, the support structure includes a support plate, suction cups, a connecting plate, a limiting rod, a spring, a mounting plate, a locking block, a connecting rod, a through hole, and a pull plate. The support plate is disposed on the outside of the reflective tube, and multiple sets of suction cups are fixed to the side wall of the support plate away from the reflective tube. The suction cups on the support plate adhere to the tabletop, which increases the stability during installation.

[0010] Preferably, connecting plates are fixed to both sides of the support plate sidewalls on both sides of the reflective tube, and the connecting plates on both sides of the support plate sidewalls are respectively located on the outside of the first tee pipe and the second tee pipe. The connecting plates provide protection for the laser head when it is placed.

[0011] Preferably, a pull plate is provided on the outer side of the connecting plate away from the support plate, and the end of the pull plate corresponds to the connecting plates on both sides of the side wall of the support plate. The pull plate facilitates the disassembly of the support structure.

[0012] Preferably, a limiting rod and a spring are fixed to the side wall of the connecting plate away from the supporting plate. The spring is sleeved on the outside of the limiting rod, and a mounting plate is fixed to the other end of the limiting rod and the spring. The telescopic design of the limiting rod and the spring facilitates pulling the mounting plate, thereby facilitating the removal of the supporting structure.

[0013] Preferably, the mounting plate has locking blocks fixed to the sidewalls away from the limiting rod. The first and second tee pipes corresponding to the locking blocks have corresponding slots on their sidewalls, and the locking blocks engage with the slots. Providing two sets of locking blocks increases the stability of the support structure.

[0014] Preferably, connecting rods are fixed to the side walls of the mounting plates on both sides of the limiting rod. The connecting plates corresponding to the connecting rods have through holes, and one end of the connecting rod passes through the corresponding through hole and is fixed to the corresponding pull plate. The connecting rods on the mounting plates on both sides of the limiting rod are fixed to the same set of pull plates, improving the ease of disassembly of the support structure.

[0015] Preferably, the protective structure includes a first fixing rod, a second fixing rod, and a protective frame, with the protective frame symmetrically arranged on both sides of the temperature measuring lens tube. The protective frame protects the temperature measuring lens tube, preventing damage to the coaxial temperature measuring laser head from external factors when it is placed.

[0016] Preferably, a fixing rod is fixed to the top of each of the two sides of the protective frame near the second tee pipe, and the other end of the fixing rod is fixed to the end of the connecting plate on the upper side wall of the support plate. The protective frame is fixed to the connecting plate by the fixing rod, so that the protective frame and the support plate can be disassembled simultaneously, which is convenient for operation.

[0017] Preferably, each of the protective frame sidewalls at the bottom of the first fixing rod is fixed with a second fixing rod, and the other end of the second fixing rod is fixed to the end of the connecting plate at the bottom of the sidewall of the support plate. Two sets of protective frames are symmetrically arranged to allow the protective frames to fit into the support structure, facilitating the removal of the protective frames. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the overall structure of one embodiment of this application; Figure 2 This is a front view structural diagram of one embodiment of this application; Figure 3 This is a top view of one embodiment of the present application. Figure 4 This is one embodiment of the present application. Figure 3 A magnified structural diagram at point A; Figure 5 This is a schematic diagram of the overall structure of the protective structure according to one embodiment of this application.

[0020] In the diagram: 1. Laser incident tube; 2. Reflecting tube; 3. Laser emitting tube; 4. First tee tube; 5. Second tee tube; 6. Image acquisition tube; 7. Temperature measuring lens tube; 8. Support structure; 801. Support plate; 802. Suction cup; 803. Connecting plate; 804. Limiting rod; 805. Spring; 806. Mounting plate; 807. Locking block; 808. Connecting rod; 809. Perforation; 810. Pull plate; 9. Protective structure; 901. Fixing rod one; 902. Fixing rod two; 903. Protective frame. Detailed Implementation

[0021] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of the present application.

[0022] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of this application described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0023] In this application, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0024] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0025] Furthermore, the terms "installation," "setup," "equipped with," "connection," "linking," and "socketing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0026] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0027] Example 1 like Figure 1 As shown, this embodiment provides a coaxial temperature measuring laser head, comprising a coaxial temperature measuring laser head body consisting of a laser incident tube 1, a reflective tube 2, a laser emitting tube 3, a first three-way tube 4, a second three-way tube 5, an image acquisition tube 6, and a temperature measuring mirror tube 7.

[0028] Support structure 8 is located outside the laser incident tube 1, the reflector tube 2, the laser emitting tube 3, the first three-way tube 4, and the second three-way tube 5. Protective structure 9 is located outside the temperature measuring lens tube 7 and connected to the supporting structure 8, such as... Figure 2 As shown.

[0029] like Figure 2-4 As shown, the support structure 8 includes a support plate 801, a suction cup 802, a connecting plate 803, a limiting rod 804, a spring 805, a mounting plate 806, a locking block 807, a connecting rod 808, a through hole 809, and a pull plate 810. The support plate 801 is located on the outside of the reflective tube 2, and multiple sets of suction cups 802 are fixed to the side wall of the support plate 801 away from the reflective tube 2.

[0030] The support plates 801 on both sides of the reflector tube 2 are fixed with connecting plates 803 on both sides of the side wall. The connecting plates 803 on both sides of the support plates 801 are respectively set on the outside of the first tee tube 4 and the second tee tube 5.

[0031] A pull plate 810 is provided on the outer side of the end of the connecting plate 803 away from the support plate 801, and the end of the pull plate 810 corresponds to the connecting plate 803 on both sides of the side wall of the support plate 801.

[0032] The connecting plate 803 has a limiting rod 804 and a spring 805 fixed on the side wall away from the support plate 801. The spring 805 is sleeved on the outside of the limiting rod 804. The other end of the limiting rod 804 and the spring 805 is fixed with a mounting plate 806.

[0033] The mounting plate 806 has a locking block 807 fixed on the side wall away from the limiting rod 804. The first tee pipe 4 and the second tee pipe 5 corresponding to the locking block 807 are provided with a locking groove, and the locking block 807 and the locking groove are engaged with each other.

[0034] Connecting rods 808 are fixed on the side walls of mounting plates 806 on both sides of the limiting rod 804. A through hole 809 is provided on the connecting plate 803 corresponding to the connecting rod 808. One end of the connecting rod 808 passes through the corresponding through hole 809 and is fixed to the corresponding pull plate 810.

[0035] In practice, pull the pull plate 810 to compress the limit rod 804 and the spring 805, pull the locking block 807 close to the removal of the connecting plate 803, and then sleeve the support structure 8 from the top of the laser head downwards onto the outside of the laser head, so that the locking block 807 corresponds to the locking groove on the first three-way pipe 4 and the second three-way pipe 5. Release the pull plate 810, so that the locking block 807 is respectively locked into the locking groove on the side wall of the first three-way pipe 4 and the second three-way pipe 5, thereby fixing the support structure 8 to the coaxial temperature measuring laser head body. The support structure 8 can support the coaxial temperature measuring laser head body, so that the connection end of the laser head and the welding head is located on the side, which facilitates the installation of the welding head. The suction cup 802 on the support plate 801 adheres to the table, which can increase the stability during installation. After the support structure 8 is fixed to the laser head, the support plate 801, the connecting plate 803, and the pull plate 810 in the support structure 8 are located outside the laser head, which provides a certain degree of protection for the laser head and prevents it from being impacted by external forces when placed.

[0036] Example 2 This embodiment is an improvement on embodiment 1 as follows: Figure 2 , 3 As shown in Figure 5, the protective structure 9 includes a first fixing rod 901, a second fixing rod 902, and a protective frame 903. The protective frame 903 is symmetrically arranged on both sides of the temperature measuring lens tube 7.

[0037] The top of both sides of the protective frame 903 near the second tee pipe 5 are fixed with a fixing rod 901. The other end of the fixing rod 901 is fixed to the end of the connecting plate 803 on the upper side of the support plate 801.

[0038] Fixed rod 2 902 is fixed to the side wall of the protective frame 903 at the bottom of fixed rod 1 901. The other end of fixed rod 2 902 is fixed to the end of the connecting plate 803 on the lower side wall of the support plate 801.

[0039] In practice, after the support structure 8 is installed, the protective frame 903 in the protective structure 9 is located outside the temperature measuring tube 7 to protect the temperature measuring tube 7, so that the coaxial temperature measuring laser head will not be damaged by external factors when it is placed. The protective frame 903 is fixed to the connecting plate 803 by the fixing rod 901, so that the protective frame 903 and the support plate 801 can be disassembled at the same time, which is convenient for operation. Two sets of protective frames 903 are symmetrically arranged so that the protective frame 903 cooperates with the support structure 8, making it easy to remove the protective frame 903.

[0040] While embodiments or examples of this disclosure have been described with reference to the accompanying drawings, it should be understood that the above embodiments are merely exemplary embodiments or examples, and the scope of this utility model is not limited by these embodiments or examples, but only by the granted claims and their equivalents. Various elements in the embodiments or examples may be omitted or replaced by their equivalents. Furthermore, the steps may be performed in a different order than that described in this disclosure. Further, various elements in the embodiments or examples may be combined in various ways. Importantly, as the technology evolves, many elements described herein can be replaced by equivalents that appear after this disclosure.

Claims

1. A coaxial temperature measuring laser head, comprising a coaxial temperature measuring laser head body consisting of a laser incident tube (1), a reflecting tube (2), a laser emitting tube (3), a first three-way tube (4), a second three-way tube (5), an image acquisition tube (6), and a temperature measuring mirror tube (7), characterized in that, The coaxial temperature measuring laser head also includes: Support structure (8) is provided on the outside of laser incident tube (1), reflector tube (2), laser emitting tube (3), first three-way tube (4) and second three-way tube (5); The protective structure (9) is located outside the temperature measuring lens tube (7) and connected to the support structure (8).

2. The coaxial temperature measuring laser head according to claim 1, characterized in that: The support structure (8) includes a support plate (801), a suction cup (802), a connecting plate (803), a limiting rod (804), a spring (805), a mounting plate (806), a locking block (807), a connecting rod (808), a perforation (809), and a pull plate (810). The support plate (801) is located on the outside of the reflective tube (2), and multiple sets of suction cups (802) are fixed on the side wall of the support plate (801) away from the reflective tube (2).

3. The coaxial temperature measuring laser head according to claim 1, characterized in that: The support plates (801) on both sides of the reflective tube (2) are fixed with connecting plates (803). The connecting plates (803) on both sides of the support plates (801) are respectively located on the outside of the first tee pipe (4) and the second tee pipe (5).

4. The coaxial temperature measuring laser head according to claim 2, characterized in that: A pull plate (810) is provided on the outer side of the end of the connecting plate (803) away from the support plate (801), and the end of the pull plate (810) corresponds to the connecting plates (803) on both sides of the side wall of the support plate (801).

5. The coaxial temperature measuring laser head according to claim 4, characterized in that: The connecting plate (803) has a limiting rod (804) and a spring (805) fixed on the side wall away from the support plate (801). The spring (805) is sleeved on the outside of the limiting rod (804). The other end of the limiting rod (804) and the spring (805) is fixed with an mounting plate (806).

6. The coaxial temperature measuring laser head according to claim 5, characterized in that: The mounting plate (806) has a locking block (807) fixed on the side wall away from the limiting rod (804). The first tee pipe (4) and the second tee pipe (5) corresponding to the locking block (807) are provided with a locking groove, and the locking block (807) and the locking groove are engaged with each other.

7. The coaxial temperature measuring laser head according to claim 5, characterized in that: Connecting rods (808) are fixed on the side walls of the mounting plates (806) on both sides of the limiting rod (804). A through hole (809) is provided on the connecting plate (803) corresponding to the connecting rod (808). One end of the connecting rod (808) passes through the corresponding through hole (809) and is fixed to the corresponding pull plate (810).

8. The coaxial temperature measuring laser head according to claim 1, characterized in that: The protective structure (9) includes a first fixing rod (901), a second fixing rod (902) and a protective frame (903), which are symmetrically arranged on both sides of the temperature measuring lens tube (7).

9. The coaxial temperature measuring laser head according to claim 8, characterized in that: The protective frame (903) has a fixing rod (901) fixed at the top of both sides of the side wall near the second three-way pipe (5). The other end of the fixing rod (901) is fixed to the end of the connecting plate (803) on the side wall of the support plate (801).

10. The coaxial temperature measuring laser head according to claim 9, characterized in that: The bottom of the fixed rod one (901) is fixed with the side wall of the protective frame (903) and the other end of the fixed rod two (902) is fixed to the end of the connecting plate (803) on the lower side wall of the support plate (801).

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