Assembling and positioning mechanism for single-bar laser
By using an assembly positioning mechanism consisting of a base, a top pressure block, and side weight blocks in the assembly of bar lasers, the problems of insufficient positioning accuracy and welding strength are solved, thereby improving the mechanical reliability and service life of bar lasers.
Patent Information
- Application Number
- CN202520567598.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-28
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-03-28
AI Technical Summary
The existing bar laser assembly mechanism suffers from poor positioning accuracy and insufficient welding strength, resulting in poor mechanical reliability. It is prone to detachment under mechanical vibration or impact, affecting operational stability and service life.
An assembly and positioning mechanism comprising a base, a top pressure block, an electrode pressure block, and a side weight block is adopted. Precise positioning is achieved through sliding grooves and guide surfaces, and combined with limit blocks and top clamping connectors, the stability and strength of the assembled product are ensured.
This improves the mechanical reliability of the bar laser, prevents it from falling off, extends its service life, ensures operational stability, and avoids leakage damage caused by poor positioning accuracy.
Smart Images
Figure CN223917005U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of bar assembly, especially a kind of assembly positioning mechanism for single bar laser. BACKGROUND
[0002] The description in this section is only provided to relate to the background information of the present disclosure and does not constitute prior art.
[0003] Bar laser is a kind of semiconductor laser, which is mainly composed of semiconductor chip, tungsten copper transition sheet, electrode block and ceramic base, and the assembly process is divided into multiple procedures. After the chip and the tungsten copper transition sheet are assembled by one procedure, the next procedure is needed to assemble and weld the electrode block and the ceramic base with the assembled chip and the tungsten copper transition sheet. However, due to the different thermal expansion coefficients of each component, it is easy to cause thermal stress cracking after welding, and if the interface bonding strength after welding is insufficient, mechanical vibration or impact can easily cause shedding. Therefore, accurate positioning of each component is needed during welding assembly to ensure that the bar laser meets the requirements of high strength and low life after welding assembly, and to realize efficient and stable operation of the laser.
[0004] However, the existing technology for assembling bar laser generally has the problems of complex structure, inaccurate positioning and inconvenient operation, which leads to poor mechanical reliability after assembly, shedding when mechanical vibration or impact occurs, poor positioning accuracy leading to electric shock damage, and seriously affecting the operation stability and service life of bar laser. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a kind of assembly positioning mechanism for single bar laser, to solve the technical problems of poor positioning accuracy and poor welding strength of bar laser assembly mechanism in prior art, which leads to insufficient operation stability and service life.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0007] A kind of assembly positioning mechanism for single bar laser, comprising:
[0008] Base, for supporting the laser assembly to be assembled;
[0009] Top pressing block, for pressing and limiting the upper part of laser assembly;
[0010] Electrode pressing block, slidingly installed on the base and used for pressing and limiting the electrode block in laser assembly;
[0011] Side weight block, slidingly installed on the base and used for pressing and limiting the bottom plate and electrode block in laser assembly;
[0012] The number of electrode pressing blocks is two and is distributed on both sides of the laser assembly, the number of side weight blocks is two and is respectively located on both sides of the laser assembly, and the electrode pressing blocks and the side weight blocks are arranged at intervals.
[0013] Further, the base is provided with a sliding groove for sliding of the electrode pressing block or the side weight block, the sliding groove comprises a sliding guide surface at an angle with the bottom surface, both sides of the sliding guide surface are provided with side stop portions for guiding, and a top portion of the sliding guide surface is provided with an adjusting hole for supporting a clamping connecting member for connecting the electrode pressing block or the side weight block.
[0014] Further, the mounting position between the clamping connecting member and the electrode pressing block or the side weight block is adjustable.
[0015] Further, the top portion of the electrode pressing block or the side weight block is provided with a limiting block for clamping and limiting the top pressing block.
[0016] Further, the limiting block is slidably mounted on the electrode pressing block or the side weight block through a positioning connecting member, and the limiting block is provided with a long slot for adjusting the mounting position of the positioning connecting member.
[0017] Further, the top portion of the electrode pressing block is provided with an adjusting groove for slidably mounting the limiting block, the inside of the adjusting groove is provided with a horizontal locking groove for penetrating the clamping connecting member, one side of the bottom portion of the adjusting groove is provided with an inclined surface for slidably contacting and matching the sliding guide surface of the base, and the other side of the bottom portion of the adjusting groove is provided with a clamping end for clamping the electrode block.
[0018] Further, the top portion of the side weight block is provided with an adjusting groove for slidably mounting the limiting block, the inside of the adjusting groove is provided with a horizontal locking groove for penetrating the clamping connecting member, one side of the bottom portion of the adjusting groove is provided with an inclined surface for slidably contacting and matching the sliding guide surface of the base, and the other side of the bottom portion of the adjusting groove is provided with a clamping end for clamping the electrode block and the bottom plate at the same time, and an end clamping surface of the clamping end is provided with an avoiding groove for avoiding the chip and the transition sheet.
[0019] Further, the locking groove is provided in a long slot shape.
[0020] Further, the upper surface of the base is provided with a mounting groove for supporting the laser assembly, and the mounting groove is provided with avoiding holes at four corners.
[0021] Further, the bottom surface of the top pressing block is provided with a hole groove for avoiding the chip.
[0022] Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:
[0023] (1). By setting a top pressure block, an electrode pressure block and a side weight pressure block, the laser components to be welded and assembled are positioned and limited with sufficient precision, thereby improving the mechanical reliability after assembly, preventing them from falling off when encountering mechanical vibration or impact, or causing leakage damage due to poor positioning accuracy, ensuring the operational stability of the bar laser and extending its service life.
[0024] (2). This utility model sets a sliding groove on the base for the electrode pressing block and the side weight block to slide along the sliding guide surface with a certain angle on the sliding groove to achieve the positioning of the laser component to be assembled. At the same time, the setting of the sliding guide surface with a certain angle can prevent the electrode pressing block and the side weight block from loosening and affecting the positioning accuracy.
[0025] (3). This utility model achieves precise positioning of the product to be assembled by setting an electrode pressure block and a limiting block on the top of the side weight block, and by combining a top tightening connector and a positioning connector. Attached Figure Description
[0026] Figure 1 The three-dimensional structure of a single bar laser;
[0027] Figure 2 This is a top view of the structure of this utility model;
[0028] Figure 3 This is a three-dimensional structural diagram of the present invention;
[0029] Figure 4 for Figure 2 Schematic diagram of the cross-sectional structure at point AA;
[0030] Figure 5 for Figure 2 Schematic diagram of the cross-sectional structure at point BB;
[0031] Figure 6 This is a schematic diagram of the three-dimensional structure of the electrode pressing block;
[0032] Figure 7 This is a schematic diagram of the three-dimensional structure of the side weight block;
[0033] Figure 8 for Figure 4 Schematic diagram of the locally enlarged structure in the C-direction;
[0034] Figure 9 for Figure 5 Schematic diagram of the enlarged structure in the middle D direction;
[0035] Figure 10 This is a schematic diagram of the three-dimensional structure of the base.
[0036] 100, base; 101, mounting groove; 102, adjusting hole; 103, sliding guide surface; 104, side stop; 200, electrode pressing block; 201, pressing end; 300, limiting block; 400, top pressing block; 401, hole groove; 500, positioning connecting piece; 600, top pressing connecting piece; 700, side weight block; 701, pressing end; 702, avoiding groove; 800, laser assembly; 801, chip; 802, transition sheet; 803, electrode block; 804, bottom plate; 901, adjusting groove; 902, locking groove. DETAILED DESCRIPTION
[0037] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0038] The drawings are only used for illustrative description, and should not be understood as a limitation on the patent;
[0039] The terms used in the embodiments of the present application are only for the purpose of describing specific embodiments, and are not intended to limit the embodiments of the present application. The singular forms "a", "an" and "the" used in the embodiments of the present application and the appended claims are also intended to include the plural forms, unless the context clearly indicates otherwise. It should also be understood that the term "and / or" used herein means and includes any or all possible combinations of one or more associated listed items.
[0040] The following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of the present application as detailed in the appended claims.
[0041] In the description of the present application, it should be understood that the terms "first", "second", "third" and the like are only used to distinguish similar objects, and do not necessarily describe a specific order or sequence, nor can they be understood as indicating or implying relative importance. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0042] Further, in the description of the present application, unless otherwise specified, "a plurality of" refers to two or more than two. "And / or", the association between the description of the associated object, indicates that there may be three kinds of relationship, for example, A and / or B, can represent: A alone, A and B exist simultaneously, B alone, these three cases. The character " / " generally indicates that the associated object before and after is a kind of "or" relationship. The utility model is further described below in conjunction with the drawings and examples.
[0043] In order to solve the limitations of the prior art, the embodiment provides a technical scheme, which is further described below in conjunction with the drawings and examples.
[0044] The utility model mainly is to the single bar laser of prior art in the single bar laser assembly time because of the positioning limit not accurate and because of the pre-tightening force deficiency when positioning leads to the poor intensity after welding, lead to the poor mechanical reliability after assembly, the poor impact resistance, and because of the poor positioning precision leads to the electric leakage damage and so on, to the improvement of the assembly positioning mechanism that is used when the laser assembly 800 to be assembled is positioned and limited, thereby avoiding the product defect problem caused by poor positioning accuracy and insufficient positioning pre-tightening force in the prior art, see attached Figure 1 The single bar laser is mainly assembled by semiconductor chip 801, tungsten copper transition sheet 802, electrode block 803 and ceramic base 100, generally the first process is assembled first semiconductor chip 801 and two tungsten copper transition sheet 802, after assembly, the second process is carried out on both sides to assemble electrode block 803 and the bottom to assemble ceramic base 100, the utility model is the positioning mechanism applied when the second process, the main improvement is as follows:
[0045] See attached Figures 2-4An assembly positioning mechanism for single-bar laser, comprising: a base 100 for supporting a laser assembly 800 to be assembled, the purpose is to limit the assembled laser assembly 800, specifically, the upper surface of the base 100 is provided with a mounting groove 101 for supporting the laser assembly 800, the four corners of the mounting groove 101 are provided with escape holes, which can well avoid the four sharp corners of the product, thereby reducing the machining precision of the mounting groove 101, in addition, the depth of the mounting groove 101 is less than the thickness of the bottom plate 804 of the laser assembly 800; the base 100 is provided with a sliding groove for sliding the electrode pressing block 200 or the side weight block 700, the sliding groove comprises a sliding guide surface 103 at an angle with the bottom surface, the angle range is greater than 0° and less than 90°, preferably 45°, the two sides of the sliding guide surface 103 are provided with side stop portions 104 for guiding, it can be understood that the cross-sectional shape of the sliding groove is U-shaped, the two sides are the side stop portions 104, and the bottom is the sliding guide surface 103, the top of the sliding guide surface 103 is provided with a horizontal adjustment hole 102, the adjustment hole 102 is used for supporting a jacking connector 600 connected to the electrode pressing block 200 or the side weight block 700, it can be understood that the adjustment hole 102 is an upper-end-opened recess, and the jacking connector 600 can slide in the vertical direction in the adjustment hole 102. The mounting position between the jacking connector 600 and the electrode pressing block 200 or the side weight block 700 is adjustable, it can be understood that one end of the jacking connector 600 is connected to the electrode pressing block 200 or the side weight block 700, and the jacking connector 600 is located in the adjustment hole 102, and the horizontal position of the electrode pressing block 200 or the side weight block 700 determines the vertical position of the jacking connector 600 in the adjustment hole 102.
[0046] Referring to the accompanying drawings Figures 2-5 A top pressing block 400 is used for pressing and limiting the upper side of the laser assembly 800; the bottom surface of the top pressing block 400 is provided with a hole groove 401 for avoiding the chip 801, it can be understood that the chip 801 cannot be pressed, so the top pressing block 400 cannot contact and press it when limiting the top side, so the top pressing block 400 can only indirectly pre-tighten the chip 801 by pressing the electrode block 803 on both sides.
[0047] Referring to the accompanying drawings Figure 6 An electrode pressing block 200 is slidably mounted on the base 100 and used for pressing and limiting the electrode block 803 in the laser assembly 800; the number of the electrode pressing block 200 is two and is distributed on both sides of the laser assembly 800, it can be understood that the electrode pressing block 200 is located on the opposite sides of the laser assembly 800, and the electrode pressing block 200 is pressed in the direction of the middle of the electrode block 803 on both sides to the chip 801.
[0048] Referring to the accompanying drawingsFigure 7 The side weight blocks 700 are slidably mounted on the base 100 and used to press and position the electrode block 803 and the bottom plate 804 in the laser assembly 800. There are two side weight blocks 700, one on each side of the laser assembly 800. The electrode pressing block 200 and the side weight blocks 700 are arranged in a spaced manner. It can be understood that the pressing direction of the side weight blocks 700 is parallel to the mounting direction of the chip 801. The relief groove 702 of the pressing part of the side weight blocks 700 is mainly used to avoid contact with the chip 801 to prevent damage to the chip 801.
[0049] Referring to FIG. 1, the electrode pressing block 200 is arranged on the base 100. The electrode pressing block 200 is used to press and position the electrode block 803 and the bottom plate 804 in the laser assembly 800. The electrode pressing block 200 is arranged in a spaced manner with the side weight blocks 700. It can be understood that the pressing direction of the electrode pressing block 200 is parallel to the mounting direction of the chip 801. The relief groove 702 of the pressing part of the electrode pressing block 200 is mainly used to avoid contact with the chip 801 to prevent damage to the chip 801. Figure 2-9 The top of the electrode pressing block 200 or the side weight block 700 is mounted with a limiting block 300 used to press and position the top pressing block 400. It can be understood that the pressing direction of the limiting block 300 is horizontal. The main purpose is to position the top pressing block 400 in the horizontal direction. The limiting block 300 is slidably mounted on the electrode pressing block 200 or the side weight block 700 by a positioning connector 500. The limiting block 300 is provided with a long slot used to adjust the mounting position of the positioning connector 500. When adjusting, the limiting block 300 is moved, and the relative position of the positioning connector 500 in the long slot is moved to achieve the position adjustment of the limiting block 300. Figure 6 The top of the electrode pressing block 200 is provided with an adjusting groove 901 for slidably mounting the limiting block 300. The inside is provided with a horizontal locking groove 902 for penetrating the pressing connector 600. One side of the bottom is provided with an inclined surface for slidably contacting with the sliding guide surface 103 of the base 100. The other side is provided with a pressing end 201 used to press the electrode block 803. The purpose of the pressing end 201 is mainly to contact and press the electrode block 803. Referring to FIG. 4, the top of the electrode pressing block 200 is provided with an adjusting groove 901 for slidably mounting the limiting block 300. The inside is provided with a horizontal locking groove 902 for penetrating the pressing connector 600. One side of the bottom is provided with an inclined surface for slidably contacting with the sliding guide surface 103 of the base 100. The other side is provided with a pressing end 201 used to press the electrode block 803. The purpose of the pressing end 201 is mainly to contact and press the electrode block 803. Figure 7 The top of the side weight block 700 is provided with an adjusting groove 901 for slidably mounting the limiting block 300. The inside is provided with a horizontal locking groove 902 for penetrating the pressing connector 600. One side of the bottom is provided with an inclined surface for slidably contacting with the sliding guide surface 103 of the base 100. The other side is provided with a pressing end 701 used to press the electrode block 803 and the bottom plate 804. The end pressing surface of the pressing end 701 is provided with a relief groove 702 used to avoid the chip 801 and the transition sheet 802. The locking groove 902 is in the shape of a long slot. It can be understood that the pressing connector 600 penetrates the locking groove 902, one end protrudes from the locking groove 902, and the other end is mounted with a nut, so as to limit the position of the pressing connector 600 in the locking groove 902.
[0050] When the assembling and positioning mechanism is used for assembling and positioning before welding, the laser component 800 to be assembled is placed in the mounting groove 101 of the base 100, the top pressing block 400 is pressed to be tightly pressed above the laser component 800, the side weight block 700 is adjusted to be tightly pressed on one side of the bottom plate 804 through the end face of the top end 701, the side weight block 700 on the opposite side is also adjusted to be tightly pressed on the opposite side of the bottom plate 804 through the end face of the top end 701, then the electrode pressing block 200 on one side is adjusted to tightly press the outer side of the electrode block 803 through the end face of the pressing end 201, the electrode pressing block 200 on the opposite side is adjusted to tightly press the outer side of the electrode block 803 on the opposite side through the end face of the pressing end 201, and the whole assembling and positioning process is completed.
[0051] The above description of disclosed embodiments enables one of ordinary skill in the art to make or use the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
[0052] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. An assembly positioning mechanism for a single bar laser, characterized by, The utility model relates to a laser assembly pressing device, which comprises: a base (100) for supporting a laser assembly (800) to be assembled; a top pressing block (400) for pressing and limiting the upper part of the laser assembly (800); an electrode pressing block (200) slidingly installed on the base (100) and used for pressing and limiting an electrode block (803) in the laser assembly (800); a side weight block (700) slidingly installed on the base (100) and used for pressing and limiting a bottom plate (804) and the electrode block (803) in the laser assembly (800); the number of the electrode pressing blocks (200) is two and they are distributed on both sides of the laser assembly (800), and the number of the side weight blocks (700) is two and they are respectively located on both sides of the laser assembly (800), and the electrode pressing blocks (200) and the side weight blocks (700) are arranged at intervals.
2. An assembly positioning mechanism for a single bar laser as defined in claim 1, wherein, the base (100) is provided with a sliding groove for the sliding of the electrode pressing block (200) or the side weight block (700), the sliding groove comprises a sliding guide surface (103) at an angle to the bottom surface, the two sides of the sliding guide surface (103) are provided with side stop portions (104) for guiding, the top of the sliding guide surface (103) is provided with an adjusting hole (102) for supporting a pressing connecting piece (600) connected to the electrode pressing block (200) or the side weight block (700).
3. An assembly positioning mechanism for a single bar laser as defined in claim 2, wherein, the mounting position between the pressing connecting piece (600) and the electrode pressing block (200) or the side weight block (700) is adjustable.
4. An assembly positioning mechanism for a single bar laser as defined in claim 1, wherein, the top of the electrode pressing block (200) or the side weight block (700) is provided with a limiting block (300) for pressing and limiting the top pressing block (400).
5. An assembly positioning mechanism for a single bar laser as defined in claim 4, wherein, the limiting block (300) is slidingly installed on the electrode pressing block (200) or the side weight block (700) through a positioning connecting piece (500), and the limiting block (300) is provided with a long slot for adjusting the mounting position of the positioning connecting piece (500).
6. An assembly positioning mechanism for a single bar laser as defined in claim 5, wherein, the top of the electrode pressing block (200) is provided with an adjusting groove (901) for the sliding installation of the limiting block (300), the inside of the adjusting groove (901) is provided with a horizontal locking groove (902) for the penetration of the pressing connecting piece (600), one side of the bottom of the adjusting groove (901) is provided with an inclined surface for sliding contact with the sliding guide surface (103) of the base (100), and the other side is provided with a pressing end (201) for pressing the electrode block (803).
7. An assembly positioning mechanism for a single bar laser as defined in claim 6, wherein, the top of the side weight block (700) is provided with an adjusting groove (901) for the sliding installation of the limiting block (300), the inside of the adjusting groove (901) is provided with a horizontal locking groove (902) for the penetration of the pressing connecting piece (600), one side of the bottom of the adjusting groove (901) is provided with an inclined surface for sliding contact with the sliding guide surface (103) of the base (100), and the other side is provided with a pressing end (701) for pressing the electrode block (803) and the bottom plate (804) at the same time, and the end pressing surface of the pressing end (701) is provided with an avoiding groove (702) for avoiding the chip (801) and the transition sheet (802).
8. An assembly positioning mechanism for a single bar laser as defined in claim 7, wherein, the locking groove (902) is in the shape of a long slot.
9. An assembly positioning mechanism for a single bar laser as claimed in any one of claims 1 to 8, wherein, The bottom base (100) is provided with a mounting groove (101) for supporting a laser component (800), and the mounting groove (101) is provided with a clearance hole at each corner.
10. An assembly positioning mechanism for a single bar laser as defined in claim 9, wherein, The bottom surface of the top pressing block (400) is provided with a hole groove (401) for avoiding the chip (801).