Welding positioning tool for laser and heat exchanger

Abstract

The utility model discloses a welding positioning tool for a laser and a heat exchanger, which is used for solving the technical problem that the heat dissipation performance of the laser is reduced due to a gap between the laser and the heat exchanger caused by the fact that the laser and the heat exchanger cannot be welded in place, and belongs to the technical field of heat dissipation of the laser. The positioning device comprises a positioning pressing plate, an elastic pressing piece, a first positioning pin and a first screw. The positioning pressing plate is provided with four installation holes of the elastic pressing piece, the four installation holes are formed in the positions close to the four corners of the positioning pressing plate respectively, the elastic pressing piece is installed between the positioning pressing plate and the laser, the positioning pressing plate is provided with a first pin hole matched with the first positioning pin, the positioning pressing plate is provided with a first light hole matched with the first screw, and the positioning pressing plate is provided with a second pin hole matched with the second screw. The axes of the mounting hole, the first pin hole and the first unthreaded hole are all perpendicular to the plate face of the positioning pressing plate.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of laser heat dissipation, especially relates to a welding positioning tool for laser and heat exchanger. BACKGROUND

[0002] The power of the laser is greatly affected by the heat dissipation performance of the laser, and for the laser with large heat generation, the heat dissipation mode is generally to weld the laser and the heat exchanger through the high thermal conductivity soldering sheet, and to use the water cooling machine to circulate water for cooling, and the welding quality determines the heat dissipation performance of the laser.

[0003] In actual production process, the laser and the heat exchanger cannot be perfectly matched and positioned, and there is always a gap between the laser and the heat exchanger, which greatly reduces the heat dissipation performance of the laser, and the temperature of the laser cannot be stably controlled within the limited use temperature range, directly leading to the actual power of the laser being lower than the nominal power, and the product cannot achieve the design expected effect.

[0004] At this time, the corresponding tool is needed to accurately position and compact the laser, so as to ensure that the laser power meets the design use requirement. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a welding positioning tool for laser and heat exchanger, which is used to solve the technical problem that the laser and the heat exchanger cannot be matched and positioned, resulting in a gap between the laser and the heat exchanger and reducing the heat dissipation performance of the laser.

[0006] The utility model is implemented by the following technical scheme:

[0007] A welding positioning tool for laser and heat exchanger, comprising a positioning pressing plate, an elastic pressing piece, a positioning pin one and a screw one, the positioning pressing plate is provided with four mounting holes of the elastic pressing piece, the four mounting holes are respectively arranged at positions close to four corners of the positioning pressing plate, the elastic pressing piece is mounted between the positioning pressing plate and the laser, the positioning pressing plate is provided with a pin hole one matched with the positioning pin one, the positioning pressing plate is provided with a light hole one matched with the screw one, and the axes of the mounting hole, the pin hole one and the light hole one are all perpendicular to the plate surface of the positioning pressing plate.

[0008] In application, first, the laser and the heat exchanger are positioned, then the elastic pressing piece is installed under the positioning pressing plate, the positioning pressing plate and the laser are positioned by the positioning pin one, then the positioning pressing plate is fixed above the laser by the screw one, so that the elastic pressing piece is pressed on the laser, since the positioning by the screw one may not be accurate enough, the positioning pin one is used to position the positioning pressing plate, and the screw one is used to fix the positioning pressing plate, after assembly, the laser and the heat exchanger are pressed tightly by the elastic pressing piece, so that the laser and the heat exchanger cannot be in place when welded, finally, the assembled assembly is placed on the constant temperature heating table for welding process, and the tooling is removed after welding.

[0009] Further preferably, the mounting hole is arranged as a stepped through hole, the small-diameter hole is on the lower plate surface side of the positioning pressing plate, and the large-diameter hole is on the upper plate surface side of the positioning pressing plate, the elastic pressing piece can use the existing spring pressing column with a protruding step in the middle, and the step on the spring pressing column can be clamped on the lower side of the positioning pressing plate by arranging the stepped through hole on the positioning pressing plate.

[0010] Further preferably, the number of the screw one is four, and the number of the light hole one is four, the four light holes one are arranged at positions close to four corners of the positioning pressing plate, the positioning pressing plate is fixed by the screw one, and the four screws one can uniformly fix the positioning pressing plate.

[0011] Further preferably, the number of the positioning pin one is two, and the number of the pin hole one is two, the two pin holes one are symmetrically arranged on the positioning pressing plate, and the symmetrically arranged pin holes one can realize rapid positioning of the positioning pressing plate and the laser.

[0012] Further preferably, it further comprises a positioning base, a positioning pin two and a screw two, the positioning pressing plate and the positioning base are rectangular frame structures, the inner frame of the positioning base is greater than or equal to the inner frame size of the positioning pressing plate and less than the outer frame size of the positioning pressing plate, the outer frame of the positioning base is larger than the outer frame size of the positioning pressing plate, the positioning base is provided with a pin hole two adapted to the positioning pin two and a light hole two adapted to the screw two perpendicularly to the plate surface, the pin hole two and the light hole two are arranged on the plate surface beyond the outer frame size of the positioning pressing plate, the positioning base is provided with a pin hole three adapted to the positioning pin one and a threaded hole one adapted to the screw one perpendicularly to the plate surface, the pin hole three and the threaded hole one are arranged on the plate surface within the outer frame size of the positioning pressing plate, and the four mounting holes are located within the inner frame of the positioning base.

[0013] In application, first, the laser and the heat exchanger are positioned, then the positioning base is positioned with the heat exchanger through positioning pin two, fixed with the heat exchanger through screw two, then the positioning pressing plate and the elastic pressing piece are installed, positioned with the positioning base through positioning pin one, fixed with the positioning base through screw one, it is necessary to point out that the elastic pressing piece is inserted into the laser from the inner frame of the positioning base, finally, the assembled component is placed on the constant temperature heating table for welding process, and the tooling is removed after welding.

[0014] Further preferably, the number of the screw two is four, and the number of the light hole two is four, and the four light hole two are respectively arranged at positions close to four corners of the positioning base.

[0015] Further preferably, the number of the positioning pin two is two, and the number of the pin hole two is two, and the two pin hole two are symmetrically arranged on the positioning base.

[0016] Further preferably, it further comprises positioning pin three, the positioning pin three is used for positioning the position of the laser on the heat exchanger, and the positioning pressing plate is provided with pin hole four matched with the positioning pin three, if the laser and the heat exchanger have no direct positioning mode, the positioning of the laser and the heat exchanger can be realized by arranging the pin hole four on the positioning pressing plate, in application, the laser is placed at the place to be welded with the heat exchanger, then the positioning pressing plate and the heat exchanger installed together with the elastic pressing piece are positioned through the pin shaft, at this time, the elastic pressing piece limits the vertical displacement of the laser, the position of the laser in the horizontal direction is adjusted, and the laser and the positioning pressing plate are positioned by using the positioning pin three.

[0017] Further preferably, the number of the positioning pin three is two, and the number of the pin hole four is two, and the two pin hole four are symmetrically arranged on the positioning pressing plate.

[0018] Further preferably, the positioning pressing plate extends a boss downward, the pin hole four is arranged at the bottom side of the boss, the boss is provided with a vertical groove from top to bottom, the vertical groove is communicated with the pin hole four, and the height of the boss extending out of the plate surface of the positioning pressing plate is less than the distance between the positioning pressing plate and the laser, in the case that the length of the positioning pin three is not enough, the distance between the pin hole four and the laser can be shortened by arranging the boss at the lower side of the positioning pressing plate, it is necessary to note that the boss cannot contact the laser after the laser and the heat exchanger are pressed by the elastic pressing piece, that is, the height of the boss protruding from the positioning pressing plate cannot be greater than the distance between the laser and the positioning pressing plate after the laser and the heat exchanger are pressed by the elastic pressing piece.

[0019] The utility model discloses a beneficial effect is: simple structure, convenient operation, practicality is strong, through the welding positioning tooling completes the initial fixed of laser and heat exchanger, utilizes the spring pressure column's resilience and compacts laser, eliminates the air gap of laser and heat exchanger, improves the welding production efficiency and welding quality, makes laser reach the expected design effect in the use process. BRIEF DESCRIPTION OF DRAWINGS

[0020] The drawings incorporated into the specification and forming a part thereof, illustrate embodiments that are in accordance with the present utility model, and together with the description, serve to explain the principle of the present utility model.

[0021] In order to more clearly illustrate the above-mentioned technical scheme in the embodiments of the present utility model or prior art, the drawings needed to be used in the embodiment or prior art description will be briefly introduced as follows, and obviously, other drawings can also be obtained by the person skilled in the art without creative labor on the premise of not paying the creative labor.

[0022] Figure 1 The utility model structure schematic diagram is shown.

[0023] Figure 2 The utility model positioning pressing plate structure schematic diagram is shown.

[0024] Figure 3 The utility model positioning base structure schematic diagram is shown.

[0025] Figure 4 The utility model explosion chart is shown.

[0026] In the drawing: 1-positioning pressing plate, 11-mounting hole, 12-pin hole one, 13-light hole one, 14-pin hole four, 15-convex platform, 16-vertical groove, 2-elastic pressure piece, 3-positioning pin one, 4-screw one, 5-laser, 6-positioning base, 61-pin hole two, 62-light hole two, 63-pin hole three, 64-threaded hole one, 7-positioning pin two, 8-screw two, 9-positioning pin three. DETAILED DESCRIPTION

[0027] In order to more clearly understand the above-mentioned purpose, features and advantages of the present utility model, the scheme of the present utility model will be further described as follows.It should be noted that the embodiments of the present utility model and the features in the embodiments can be combined with each other without conflict.

[0028] In the description, it needs to be explained that the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. It needs to be explained that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0029] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein; obviously, the examples in the specification are only a part of the examples of the present application, not all examples.

[0030] The specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0031] A laser and heat exchanger welding positioning tool, comprising a positioning pressing plate 1, an elastic pressing piece 2, a positioning pin 3, a screw 4; the positioning pressing plate 1 is provided with four mounting holes 11 of the elastic pressing piece 2, the four mounting holes 11 are respectively arranged at positions close to four corners of the positioning pressing plate 1, the elastic pressing piece 2 is mounted between the positioning pressing plate 1 and the laser 5, the positioning pressing plate 1 is provided with a pin hole 12 matched with the positioning pin 3, the positioning pressing plate 1 is provided with a light hole 13 matched with the screw 4, the axes of the mounting hole 11, the pin hole 12 and the light hole 13 are all perpendicular to the plate surface of the positioning pressing plate 1.

[0032] The elastic pressing piece 2 used in the embodiment is GP-2T, the mounting hole 11 is arranged as a stepped through hole, and the small-diameter hole is on the side of the lower plate surface of the positioning pressing plate 1, and the large-diameter hole is on the side of the upper plate surface of the positioning pressing plate 1.

[0033] The number of the screw 4 is four, and the number of the light hole 13 is four, the four light holes 13 are respectively arranged at positions close to four corners of the positioning pressing plate 1.

[0034] The number of the positioning pin 3 is two, and the number of the pin hole 12 is two, the two pin holes 12 are symmetrically arranged on the positioning pressing plate 1.

[0035] Positioning base 6, positioning pin two 7, screw two 8 are also included, positioning pressing plate 1 and positioning base 6 are rectangular frame structures, the inner frame of positioning base 6 is greater than or equal to the inner frame size of positioning pressing plate 1 and is less than the outer frame size of positioning pressing plate 1, the outer frame of positioning base 6 is larger than the outer frame size of positioning pressing plate 1, positioning base 6 is provided with pin hole two 61 adapted to positioning pin two 7 perpendicularly to the plate surface, positioning base 6 is provided with light hole two 62 adapted to screw two 8 perpendicularly to the plate surface, pin hole two 61 and light hole two 62 are arranged on the plate surface beyond the outer frame size of positioning pressing plate 1, positioning base 6 is provided with pin hole three 63 adapted to positioning pin one 3 perpendicularly to the plate surface, positioning base 6 is provided with threaded hole one 64 adapted to screw one 4 perpendicularly to the plate surface, pin hole three 63 and threaded hole one 64 are arranged on the plate surface within the outer frame size of positioning pressing plate 1, four mounting holes 11 are located within the inner frame range of positioning base 6.

[0036] The number of screw two 8 is four, the number of light hole two 62 is four, and the four light holes two 62 are respectively arranged at positions close to the four corners of positioning base 6.

[0037] The number of positioning pin two 7 is two, the number of pin hole two 61 is two, and the two pin holes two 61 are symmetrically arranged on positioning base 6.

[0038] Positioning pin three 9 is also included, positioning pin three 9 is used for positioning the position of laser 5 on the heat exchanger, and positioning pressing plate 1 is provided with pin hole four 14 adapted to positioning pin three 9.

[0039] The number of positioning pin three 9 is two, the number of pin hole four 14 is two, and the two pin holes four 14 are symmetrically arranged on positioning pressing plate 1.

[0040] Positioning pressing plate 1 extends a boss 15 downward from the plate surface, pin hole four 14 is arranged at the bottom side of boss 15, boss 15 is provided with a vertical groove 16 from top to bottom, vertical groove 16 communicates with pin hole four 14, and the height of boss 15 extending out of the plate surface of positioning pressing plate 1 is less than the distance between positioning pressing plate 1 and laser 5.

[0041] Working principle: positioning pressing plate 1 is fixed with positioning base 6 through screw one 4, and is positioned with positioning base 6 through positioning pin one 3, positioning base 6 is connected and positioned with the heat exchanger through screw two 8 and positioning pin two 7, laser 5 is positioned with positioning pressing plate 1 through positioning pin three 9, and laser 5 realizes close adhesion with the heat exchanger through the extrusion of elastic pressing piece 2, eliminates the air gap between laser 5 and the heat exchanger, and improves the welding production efficiency and welding quality.

[0042] The above merely describes specific implementation manners of the present application, and enables those skilled in the art to understand or implement the present application. Although the foregoing embodiments are described in detail, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some or all of the technical features can be replaced equivalently; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments, and should be covered in the protection scope of the claims.

Claims

1. A laser and heat exchanger welding positioning fixture, characterized in that: It includes positioning pressing plate (1), elastic pressing piece (2), positioning pin one (3), screw one (4); The positioning pressing plate (1) is provided with four elastic pressing piece (2) installation hole (11), four installation holes (11) are respectively arranged in the position close to the four corners of the positioning pressing plate (1), the elastic pressing piece (2) is installed between the positioning pressing plate (1) and the laser (5), the positioning pressing plate (1) is provided with the pin hole one (12) suitable for the positioning pin one (3), the positioning pressing plate (1) is provided with the light hole one (13) suitable for the screw one (4), the axis of the installation hole (11), the pin hole one (12) and the light hole one (13) is all perpendicular to the positioning pressing plate (1) board face.

2. The laser and heat exchanger welding positioning tooling of claim 1, wherein: The installation hole (11) is set as a stepped through hole, and the small diameter hole is on the lower plate surface side of the positioning pressing plate (1), and the large diameter hole is on the upper plate surface side of the positioning pressing plate (1).

3. The laser and heat exchanger welding positioning tooling of claim 1, wherein: The number of the screw one (4) is four, the number of the light hole one (13) is four, four light holes one (13) are respectively arranged in the position close to the four corners of the positioning pressing plate (1).

4. The laser and heat exchanger welding positioning tooling of claim 1, wherein: The number of the positioning pin one (3) is two, the number of the pin hole one (12) is two, two pin holes one (12) are symmetrically arranged on the positioning pressing plate (1).

5. The laser and heat exchanger welding positioning tooling of claim 1, wherein: It also includes positioning base (6), positioning pin two (7), screw two (8), the positioning pressing plate (1) and the positioning base (6) are rectangular frame structures, the inner frame of the positioning base (6) is greater than or equal to the inner frame size of the positioning pressing plate (1) and is less than the outer frame size of the positioning pressing plate (1), the outer frame of the positioning base (6) is larger than the outer frame size of the positioning pressing plate (1), the positioning base (6) is provided with the pin hole two (61) suitable for the positioning pin two (7) perpendicular to the board face, the positioning base (6) is provided with the light hole two (62) suitable for the screw two (8) perpendicular to the board face, the pin hole two (61) and the light hole two (62) are arranged on the board face beyond the outer frame size of the positioning pressing plate (1), the positioning base (6) is provided with the pin hole three (63) suitable for the positioning pin one (3) perpendicular to the board face, the positioning base (6) is provided with the threaded hole one (64) suitable for the screw one (4) perpendicular to the board face, the pin hole three (63) and the threaded hole one (64) are arranged on the board face within the outer frame size of the positioning pressing plate (1), four installation holes (11) are located within the inner frame range of the positioning base (6).

6. The laser and heat exchanger welding positioning tooling of claim 5, wherein: The number of the screw two (8) is four, the number of the light hole two (62) is four, four light holes two (62) are respectively arranged in the position close to the four corners of the positioning base (6).

7. The laser and heat exchanger welding positioning tooling of claim 5, wherein: The number of the positioning pin two (7) is two, the number of the pin hole two (61) is two, two pin holes two (61) are symmetrically arranged on the positioning base (6).

8. The laser welding positioning tool for heat exchanger according to any one of claims 1-7, characterized in that: It also includes positioning pin three (9), the positioning pin three (9) is used for positioning the position of the laser (5) on the heat exchanger, the positioning pressing plate (1) is provided with the pin hole four (14) suitable for the positioning pin three (9).

9. The laser and heat exchanger welding positioning fixture of claim 8, wherein: The number of the positioning pin three (9) is two, the number of the pin hole four (14) is two, two pin holes four (14) are symmetrically arranged on the positioning pressing plate (1).

10. The laser and heat exchanger welding positioning fixture of claim 8, wherein: The positioning pressing plate (1) extends downward with a boss (15), the fourth pin hole (14) is arranged at the bottom side of the boss (15), the boss (15) is arranged with a vertical slot (16) from top to bottom, the vertical slot (16) is communicated with the fourth pin hole (14), the boss (15) extends out of the height of the plate surface of the positioning pressing plate (1) and is less than the distance between the positioning pressing plate (1) and the laser.

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