Shutter assembly and laser welding system

Abstract

The utility model discloses a diaphragm assembly and laser welding system relates to laser welding technical field, wherein, diaphragm assembly includes diaphragm seat, diaphragm structure and drive structure, and diaphragm structure includes the multiple diaphragm combination department of being located in diaphragm seat, and multiple diaphragm combination department can be combined into square diaphragm hole, and it is mobile relative to diaphragm seat, and drive structure drives and connects multiple diaphragm combination department, to drive multiple diaphragm combination department mobile, to make the size of diaphragm hole adjustable, through setting diaphragm seat, to install diaphragm structure with drive structure, and through setting multiple diaphragm combination department, to combine and form square diaphragm hole, and through setting drive structure simultaneously, drive multiple diaphragm combination department mobile, can both laser is formed into square, and can adjust the size of diaphragm hole, to adjust the size of laser according to need, to be adapted to the piece of being welded, to help accurate adjustment the size of diaphragm hole.

Description

Technical Field

[0001] This utility model relates to the field of laser welding technology, and in particular to an aperture assembly and a laser welding system. Background Technology

[0002] Currently, most apertures on the market are circular. However, with the increasing demands and complexity of processes in the semiconductor industry, square apertures are relatively simpler to manufacture, leading to a growing demand for them. However, traditional apertures are mostly manual, and adjusting their size often relies on the operator's experience and manual operation, making high-precision adjustment difficult. Utility Model Content

[0003] The main purpose of this invention is to propose an aperture assembly and a laser welding system, which aims to solve the problem of low adjustment accuracy of existing apertures.

[0004] To achieve the above objectives, the present invention provides an aperture assembly for use in a laser welding system, the aperture assembly comprising: Aperture seat; An aperture structure includes a plurality of aperture assembly parts disposed on the aperture seat, the plurality of aperture assembly parts being capable of being combined to form a square aperture hole, and being movable relative to the aperture seat; and, A driving structure is provided to drive multiple aperture assemblies to move, thereby making the size of the aperture adjustable.

[0005] In one embodiment, each of the aperture assemblies is movably mounted to the aperture seat radially along the aperture hole; and / or, Multiple driving structures are provided, and each of the multiple driving structures drives and connects to multiple aperture assembly parts to drive the aperture assembly parts to move.

[0006] In one embodiment, each of the driving structures includes: A drive motor is disposed on the aperture holder; and, The ball screw structure includes a transmission screw and a drive nut sleeved on the transmission screw. The transmission screw is driven and connected to the drive motor, and the drive nut is connected to the aperture assembly.

[0007] In one embodiment, each of the driving structures further includes a displacement detection device disposed between the aperture seat and the driving structure, for detecting the position of the aperture assembly.

[0008] In one embodiment, the displacement detection device includes: A detection seat is provided on the drive nut; Two detection structures are respectively disposed at both ends of the detection seat. Each detection structure includes a detection protrusion and a detection recess disposed on the detection seat and the aperture seat respectively. The detection protrusion and the detection recess cooperate to detect the displacement of the detection seat.

[0009] In one embodiment, four aperture assembly parts are provided, and correspondingly, four drive structures are provided.

[0010] In one embodiment, the aperture seat has a first side end and a second side end that are axially opposite each other in the aperture hole; The four drive structures include two first drive structures and two second drive structures, with the two first drive structures located at the first side end and the two second drive structures located at the second side end.

[0011] In one embodiment, the aperture assembly includes: An aperture connecting portion, one end of which is driven and connected to the driving structure, and the other end extending axially along the aperture hole; and, An aperture forming part is provided at one end at the other end of the aperture connecting part, and the other end extends radially along the aperture hole.

[0012] In one embodiment, the thickness of the aperture forming portion gradually increases from the center of the aperture towards its periphery.

[0013] In addition, this utility model also provides a laser welding system, comprising: chassis; A laser, mounted on the housing, is used to emit laser light; The laser adjustment device includes an aperture assembly disposed on the housing; and, A laser welding head, located in the housing, is used to converge the adjusted laser with other light to irradiate the workpiece to be welded; The aperture assembly includes: Aperture seat; An aperture structure includes a plurality of aperture assembly parts disposed on the aperture seat, the plurality of aperture assembly parts being capable of being combined to form a square aperture hole, and being movable relative to the aperture seat; and, A driving structure is provided to drive multiple aperture assemblies to move, thereby making the size of the aperture adjustable.

[0014] In the technical solution of this utility model, by setting an aperture seat to install the aperture structure and the driving structure, and by setting multiple aperture assembly parts to form a square aperture hole, and by setting the driving structure to drive the multiple aperture assembly parts to move, the laser can be shaped into a square and the size of the aperture hole can be adjusted so as to adjust the size of the laser as needed to match the welded part, thereby helping to accurately adjust the size of the aperture hole. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model 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 utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0016] Figure 1 A three-dimensional structural schematic diagram of an embodiment of the aperture assembly provided by this utility model; Figure 2 for Figure 1 A side view of the aperture assembly; Figure 3 for Figure 1 A three-dimensional structural diagram of the aperture assembly; Figure 4 for Figure 1 A three-dimensional structural diagram of the detection seat; Figure 5 for Figure 1 A three-dimensional structural diagram of the aperture assembly (including the aperture cover); Figure 6 A schematic diagram of an embodiment of the laser welding system provided by this utility model; Figure 7 for Figure 6 A three-dimensional structural diagram of the laser adjustment device in a laser welding system.

[0017] Explanation of icon numbers: 100. Aperture assembly; 1. Aperture seat; 11. First side end; 12. Second side end; 2. Aperture structure; 21. Aperture assembly; 211. Aperture connecting part; 212. Aperture forming part; 3. Drive structure; 3a. First drive structure; 3b. Second drive structure; 31. Drive motor; 32. Ball screw structure; 321. Transmission screw; 322. Drive nut; 33. Displacement detection device; 331. Detection seat; 332. Detection structure; 3321. Detection protrusion; 3322. Detection recess; 4. Alignment mark; 5. Aperture cover; 1000, Laser welding system; 200, Housing; 300, Laser; 400, Laser adjustment device; 410, Lens group; 500, Laser welding head; 600, Illumination device; 700, Imaging device; 800, Infrared temperature measurement device.

[0018] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0020] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0021] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0022] Currently, most apertures on the market are circular. However, with the increasing demands and complexity of processes in the semiconductor industry, square apertures are relatively simpler to manufacture, leading to a growing demand for them. However, traditional apertures are mostly manual, and adjusting their size often relies on the operator's experience and manual operation, making high-precision adjustment difficult.

[0023] Based on this, this utility model proposes an aperture assembly for laser welding systems, aiming to solve the problem of low adjustment accuracy in existing apertures. Among other things, Figures 1 to 5 A schematic diagram of the structure of the aperture assembly provided by this utility model; Figures 6 to 7 A schematic diagram of the structure of the laser welding system provided by this utility model.

[0024] Please see Figures 1 to 3 In one embodiment of the present invention, the aperture assembly 100 includes an aperture seat 1, an aperture structure 2, and a driving structure 3. The aperture structure 2 includes a plurality of aperture assembly parts 21 disposed on the aperture seat 1. The plurality of aperture assembly parts 21 can be combined to form a square aperture hole and are movable relative to the aperture seat 1. The driving structure 3 drives and connects the plurality of aperture assembly parts 21 to drive the plurality of aperture assembly parts 21 to move so that the size of the aperture hole can be adjusted.

[0025] In the technical solution of this utility model, by setting an aperture seat 1 to install the aperture structure 2 and the driving structure 3, and by setting multiple aperture assembly parts 21 to form a square aperture hole, and by setting the driving structure 3 to drive the multiple aperture assembly parts 21 to move, the laser can be shaped into a square and the size of the aperture hole can be adjusted so as to adjust the size of the laser as needed to match the welded part, thereby helping to accurately adjust the size of the aperture hole.

[0026] In one embodiment of this invention, each of the aperture assembly parts 21 is radially movably mounted on the aperture seat 1 along the aperture aperture. Thus, through the linear movement of the multiple aperture assembly parts 21, the aperture aperture can be enlarged or reduced, thereby allowing the aperture structure 2 to adjust the size of the laser beam. It is understood that the aperture assembly parts 21 can move in various ways. In other embodiments, each of the aperture assembly parts 21 may also be rotatably mounted on the aperture seat 1 about the axial direction of the aperture aperture, as long as the size of the aperture aperture can be adjusted. This invention does not limit this.

[0027] There are various ways to drive the multiple aperture assembly parts 21 to move. For example, the multiple aperture assembly parts 21 can be driven separately by multiple driving devices, or they can be driven simultaneously by the same driving device. This utility model does not limit this. Specifically, in this embodiment, the driving structure 3 includes multiple driving structures 3 corresponding to the multiple aperture assembly parts 21. The multiple driving structures 3 drive and connect the multiple aperture assembly parts 21 to drive the aperture assembly parts 21 to move. In this way, by setting multiple driving structures 3 to drive the multiple aperture assembly parts 21 to move separately, each aperture assembly part 21 can move independently to avoid mutual interference, thereby helping to improve the reliability of the aperture assembly 100.

[0028] It should be noted that the above two related technical features, namely, "each of the aperture assembly parts 21 is movably installed on the aperture seat 1 along the radial direction of the aperture hole" and "the driving structure 3 includes a plurality of driving structures 3 corresponding to the plurality of aperture assembly parts 21", can be selected or can be set simultaneously. This utility model does not limit this.

[0029] In order to drive the aperture assembly 21 to move, in this embodiment, please refer to Figure 1 and Figure 2 Each of the aforementioned drive structures 3 includes a drive motor 31 and a ball screw structure 32. The drive motor 31 is disposed on the aperture seat 1. The ball screw structure 32 includes a transmission screw 321 and a drive nut 322 sleeved on the transmission screw 321. The transmission screw 321 drives and connects to the drive motor 31, and the drive nut 322 connects to the aperture assembly 21. Thus, by setting the drive motor 31 to provide driving force, and by setting the ball screw structure 32, on the one hand, the rotation of the drive motor 31 can be converted into linear motion; on the other hand, because the ball screw has high precision and low friction, the use of the ball screw structure 32 helps to accurately control the displacement of the aperture assembly 21, thereby ensuring the accuracy and stability of the aperture adjustment.

[0030] It is understood that there are various ways to connect the aperture assembly 21 to the drive nut 322. The aperture assembly 21 can be connected to the drive nut 322 by welding, bolting, etc., and this utility model does not limit this. Specifically, in this embodiment, the aperture assembly 21 is detachably installed on the drive nut 322. Thus, the detachable connection method facilitates the disassembly and assembly of the aperture assembly 21, so as to adjust the aperture assembly 21 as needed. Furthermore, there are various detachable connection methods, such as snap-fit ​​connection or screw connection, and this utility model does not limit this.

[0031] Furthermore, the drive structure 3 also includes a guide rail and a guide sleeve that cooperate with each other for guidance. The guide rail and the guide sleeve are respectively disposed on the aperture seat 1 and the drive nut 322. In this way, by setting the guide rail and the guide sleeve, the drive nut 322 can move in a straight line, thereby helping to improve the stability of the movement of the drive nut 322.

[0032] To accurately locate the position of the aperture assembly 21, in this embodiment, please refer to... Figure 1 , Figure 2 and Figure 4 The driving structure 3 also includes a displacement detection device 33 disposed between the aperture seat 1 and the driving structure 3, for detecting the position of the aperture assembly 21. Thus, by setting the displacement detection device 33, the position of the aperture assembly 21 can be accurately located, thereby helping to ensure the accuracy of the aperture adjustment.

[0033] To control the travel of the aperture assembly 21, in this embodiment, the displacement detection device 33 includes a detection seat 331 and two detection structures 332. The detection seat 331 is located on the drive nut 322, and the two detection structures 332 are located at opposite ends of the detection seat 331. Each detection structure 332 includes a detection protrusion 3321 and a detection recess 3322 located on the detection seat 331 and the aperture seat 1, respectively. The detection protrusion 3321 and the detection recess 3322 cooperate to detect the displacement of the detection seat 331. Thus, by setting... The placement of the detection seat 331 facilitates the connection of the drive nut 322, enabling the detection device to move together with the aperture assembly 21. It also facilitates the installation of two detection structures 332 to detect the displacement at both ends of the detection seat 331, preventing the aperture from being too large or too small. Simultaneously, by providing the detection protrusion 3321 and the detection recess 3322, the movement of the detection seat 331 can be detected, and the movement of the detection seat 331 can be restricted to prevent the movement of the aperture assembly 21 from exceeding its travel range.

[0034] It is understood that there are various ways to connect the detection seat 331 and the drive nut 322. The detection seat 331 can be directly installed on the drive nut 322 or indirectly installed on the drive nut 322, etc., as long as the detection seat 331 can move synchronously with the aperture assembly 21. This utility model does not limit this. Specifically, in this embodiment, the detection seat 331 is detachably installed on the aperture assembly 21. Thus, the detachable connection method facilitates the disassembly and assembly of the detection seat 331, so as to adjust the detection seat 331 as needed. Furthermore, there are various detachable connection methods, such as snap-fit ​​connection or screw connection, etc. This utility model does not limit this.

[0035] The number of aperture assembly parts 21 can vary, including two or three, and this utility model does not limit this. Specifically, in this embodiment, four aperture assembly parts 21 are provided, and correspondingly, four driving structures 3 are provided. Thus, by providing four aperture assembly parts 21, the four sides of the square aperture can be adjusted respectively, so as to enlarge or reduce the aperture while keeping the center of the aperture unchanged.

[0036] Furthermore, the aperture seat 1 has a first side end 11 and a second side end 12 that are axially opposite each other in the aperture hole. The four driving structures 3 include two first driving structures 3a and two second driving structures 3b. The two first driving structures 3a are disposed on the first side end 11, and the two second driving structures 3b are disposed on the second side end 12. In this way, the four driving structures 3 are respectively disposed on both sides of the aperture seat 1, so as to make full use of the installation space of the aperture seat 1, thereby helping to reduce the overall size of the aperture assembly 100. Of course, in other embodiments, the four driving structures 3 may also be disposed on the same side of the aperture seat 1, etc., and this utility model does not limit this.

[0037] Further, please refer to Figure 2 The two first driving structures 3a are arranged in the left-right direction, and the two second driving structures 3b are arranged in the front-back direction. On the one hand, this allows the four driving structures 3 to be evenly distributed along the circumference of the aperture seat 1, and on the other hand, it can be adapted to the four sides of the aperture hole, thereby improving the space utilization of the aperture seat 1.

[0038] In one embodiment of this utility model, the aperture assembly 21 includes an aperture connecting part 211 and an aperture forming part 212. One end of the aperture connecting part 211 is driven to be connected to the driving structure 3, and the other end extends along the axial direction of the aperture hole. One end of the aperture forming part 212 is disposed at the other end of the aperture connecting part 211, and the other end extends along the radial direction of the aperture hole. Thus, by setting the aperture connecting part 211, the aperture forming part 212 is connected to the driving nut 322, so that the aperture forming part 212 can move synchronously with the driving nut 322. By setting the aperture forming part 212, a square aperture hole is formed.

[0039] Further, please refer to Figure 3 The thickness of the aperture forming part 212 gradually increases from the center of the aperture hole towards its periphery. Since the laser is used for welding, it has high power and generates a lot of heat, which will cause different heating on both sides of the aperture forming part 212. Therefore, the thickness of the aperture forming part 212 is gradually set so that the part of the aperture forming part 212 closer to the aperture hole is thinner and the part farther away from the aperture hole is thicker. This allows the heat to spread quickly on both sides of the aperture forming part 212, making the aperture forming part 212 heated evenly, and also ensures the strength of the aperture forming part 212, so that the aperture forming part 212 is not easily deformed by external forces due to insufficient strength.

[0040] In one embodiment of this utility model, please refer to Figure 5 The aperture assembly 100 also includes an aperture cover 5 that covers the aperture seat 1. Thus, by setting the aperture cover 5, the aperture structure 2 and the driving structure 3 are hidden inside the aperture cover 5, thereby protecting the aperture assembly 100.

[0041] To facilitate the positioning of the aperture assembly 21, please refer to one embodiment of this utility model. Figure 5 The aperture assembly also includes an alignment mark 4 provided on the aperture seat 1. Thus, by providing the alignment mark 4, the position of the aperture assembly 21 can be located on the aperture seat 1, thereby facilitating the quick installation of the aperture assembly 21 onto the aperture seat 1.

[0042] In addition, this utility model also provides a laser welding system 1000, please refer to [link / reference]. Figure 6 and Figure 7The laser welding system 1000 includes a housing 200, a laser 300, a laser adjustment device 400, and a laser welding head 500. The laser 300 is disposed in the housing 200 and is used to emit laser light. The laser adjustment device 400 includes an aperture assembly 100 disposed in the housing 200. The laser welding head 500 is disposed in the housing 200 and is used to converge the adjusted laser light with other light to irradiate the workpiece to be welded. Thus, by setting up the laser 300 to emit laser light, setting up the laser adjustment device 400 to adjust the laser light emitted by the laser 300, and setting up the laser welding head 500 to converge the adjusted laser light with other light to irradiate the workpiece to be welded, the circuit board assembly is welded.

[0043] It should be noted that the specific structure of the aperture assembly 100 refers to the above embodiments. Since this laser welding system 1000 adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above embodiments, and will not be described in detail here. Among them, ...

[0044] Furthermore, an adjustment optical path is formed within the housing 200. The laser adjustment device 400 includes an aperture assembly 100 and a lens group 410 disposed within the housing 200. Both the aperture assembly 100 and the lens group 410 are located within the adjustment optical path. Thus, by setting the aperture assembly 100, the shape and size of the laser can be adjusted. By setting the lens group 410, the laser emitted by the laser 300 can pass through the aperture assembly 100, and the laser can be scaled to adjust its size.

[0045] In one embodiment of the present invention, the laser welding system 1000 further includes an infrared temperature measuring device 800, an illumination device 600, and an imaging device 700 disposed on the laser welding head 500. Thus, by setting the infrared temperature measuring device 800, the temperature of the welding point can be obtained; by setting the imaging device 700, an image of the welding point can be obtained; and by setting the illumination device 600, a light source can be provided to facilitate imaging by the imaging device 700.

[0046] It should be noted that the frequencies of the light emitted by the infrared temperature measuring device 800, the imaging device 700, and the laser 300 are different. The laser welding head 500 can focus the light from the imaging device 700 and the laser 300 onto the same focal point, so that the infrared temperature measuring device 800 and the imaging device 700 can move synchronously with the laser, thereby helping to improve the welding quality.

[0047] The above description is merely an exemplary embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made based on the technical concept of the present utility model and the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. An aperture assembly for use in a laser welding system, characterized in that, The aperture assembly includes: Aperture seat; An aperture structure includes a plurality of aperture assembly parts disposed on the aperture seat, the plurality of aperture assembly parts being capable of being combined to form a square aperture hole, and being movable relative to the aperture seat; and, A driving structure is provided to drive multiple aperture assemblies to move, thereby making the size of the aperture adjustable.

2. The aperture assembly as described in claim 1, characterized in that, Each of the aforementioned aperture assemblies is movably mounted to the aperture seat along the radial direction of the aperture hole; and / or, Multiple driving structures are provided, and each of the multiple driving structures drives and connects to multiple aperture assembly parts to drive the aperture assembly parts to move.

3. The aperture assembly as described in claim 2, characterized in that, Each of the aforementioned drive structures includes: A drive motor is disposed on the aperture holder; and, The ball screw structure includes a transmission screw and a drive nut sleeved on the transmission screw. The transmission screw is driven and connected to the drive motor, and the drive nut is connected to the aperture assembly.

4. The aperture assembly as described in claim 3, characterized in that, Each of the driving structures further includes a displacement detection device disposed between the aperture seat and the driving structure, for detecting the position of the aperture assembly.

5. The aperture assembly as described in claim 4, characterized in that, The displacement detection device includes: A detection seat is provided on the drive nut; Two detection structures are respectively disposed at both ends of the detection seat. Each detection structure includes a detection protrusion and a detection recess disposed on the detection seat and the aperture seat respectively. The detection protrusion and the detection recess cooperate to detect the displacement of the detection seat.

6. The aperture assembly as described in claim 2, characterized in that, The aperture assembly is provided in four parts, and correspondingly, the drive structure is provided in four parts.

7. The aperture assembly as described in claim 6, characterized in that, The aperture seat has a first side end and a second side end that are axially opposite to each other in the aperture hole; The four drive structures include two first drive structures and two second drive structures, with the two first drive structures located at the first side end and the two second drive structures located at the second side end.

8. The aperture assembly as claimed in claim 1, characterized in that, The aperture assembly includes: An aperture connecting portion, one end of which is driven and connected to the driving structure, and the other end extending axially along the aperture hole; and, An aperture forming part is provided at one end at the other end of the aperture connecting part, and the other end extends circumferentially along the aperture hole.

9. The aperture assembly as described in claim 8, characterized in that, The thickness of the aperture forming part gradually increases from the center of the aperture towards its periphery.

10. A laser welding system, characterized in that, include: chassis; A laser, located outside the housing, is used to emit laser light into the housing. A laser adjustment device includes an aperture assembly disposed within the housing, the aperture assembly comprising the aperture assembly as described in any one of claims 1 to 9; and... A laser welding head is located outside the housing to converge the adjusted laser light with other light to irradiate the workpiece to be welded.

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