Laser welding fixture for evaporator ice outlet

Abstract

The utility model provides an evaporimeter ice outlet laser welding fixture belongs to welding fixture technical field. It solved the problem of easy deformation or crack of welding fixture in prior art which is not set up gas path water path auxiliary. The utility model discloses fixed top plate, first clamping arm subassembly, second clamping arm subassembly, mounting seat, ice outlet adapter seat, rotating support and rotating motor, and the mounting seat is fixedly bonded with arc clamping arm, and the ice outlet adapter seat is fixedly provided in the inside of mounting seat, and the outer surface of ice outlet adapter seat is provided with coiled convex body, and the coiled convex body and the outer surface of ice outlet adapter seat form interval groove, and the both ends of ice outlet adapter seat form limit convex ring, and the limit convex ring of one side of ice outlet adapter seat is provided with gas path connecting hole, and the gas path connecting hole is fixedly connected with gas path connecting pipeline, and the mounting seat is provided with water path connecting hole, and the water path connecting hole is fixedly connected with water path connecting pipeline. The utility model has the advantages of good cooling effect, good protection effect, easy to assemble and disassemble.

Description

Technical Field

[0001] This utility model belongs to the field of welding fixture technology, and relates to a laser welding fixture for an evaporator ice outlet. Background Technology

[0002] The evaporator ice outlet laser welding fixture is a device used to assist in fixing and positioning the evaporator and related components when performing laser welding at the evaporator ice outlet.

[0003] Chinese patent publication number CN208961374U discloses a pipe welding fixture, including a locking mechanism, a first clamping plate, and a second clamping plate with one end hinged to one end of the first clamping plate. The first clamping plate has a first welding opening for welding the ends of two pipes, and the side of the first clamping plate facing the second clamping plate has a first groove extending along the pipe axial direction. The side of the second clamping plate facing the first clamping plate has a second groove extending along the pipe axial direction. The locking mechanism is used to lock the other end of the first clamping plate and the other end of the second clamping plate so that the first groove and the second groove form a receiving cavity for accommodating the ends of the two pipes.

[0004] The pipe welding fixture provided by this patent does not have a gas or water channel for auxiliary welding. In actual operation, without protective gas, the welding area is easily oxidized, resulting in welding defects such as porosity and cracks. Furthermore, the welding area cannot be effectively cooled, the heat-affected zone expands, and the pipe is more prone to large deformation during the welding process. Utility Model Content

[0005] The purpose of this invention is to address the aforementioned problems in the existing technology by providing a laser welding fixture for the ice outlet of an evaporator.

[0006] The objective of this utility model can be achieved through the following technical solution: A laser welding fixture for an evaporator ice outlet, comprising a fixed top plate, a first clamping arm assembly, a second clamping arm assembly, a mounting base, an ice outlet adapter base, a rotating bracket, and a rotating motor. The fixed top plate has a first connecting hole, a second connecting hole, and a third connecting hole. The first clamping arm assembly includes a left clamping arm, a right clamping arm, and an arc-shaped clamping arm. The left and right clamping arms are fixedly connected to the first and second connecting holes, respectively. The second clamping arm assembly includes a long clamping arm and a fixed clamping plate. The mounting base is fitted and fixedly fixed to the arc-shaped clamping arm. The ice outlet adapter base... The ice outlet adapter is fixed inside the mounting base. The length of the ice outlet adapter is greater than that of the mounting base, and both ends of the ice outlet adapter extend out of the mounting base. The outer surface of the ice outlet adapter is provided with a coiled protrusion. The coiled protrusion and the outer surface of the ice outlet adapter form a spacer groove. Both ends of the ice outlet adapter form a limiting protrusion ring. The limiting protrusion ring is fixedly connected to the inner side of both ends of the mounting base. An air passage connection hole is opened at the limiting protrusion ring on one side of the ice outlet adapter. An air passage connection pipe is fixedly connected in the air passage connection hole. A water passage connection hole is opened in the mounting base. A water passage connection pipe is fixedly connected in the water passage connection hole.

[0007] In the aforementioned laser welding fixture for an evaporator ice outlet, a first hinge shaft is provided at the bottom end of the left clamping arm, the arc-shaped clamping arm is connected to the first hinge shaft, a fixing lock is installed on the side of the right clamping arm, and a fixing rod is provided on the side of the arc-shaped clamping arm. The right clamping arm and the arc-shaped clamping arm are fixed and separated by the fixing lock and the fixing rod.

[0008] In the aforementioned laser welding fixture for an evaporator ice outlet, a water outlet pipe is integrally formed at one end of the ice outlet adapter seat.

[0009] In the aforementioned laser welding fixture for an evaporator ice outlet, a second hinge shaft is provided at the lower end of the long clamping arm, the fixed clamping plate is connected to the second hinge shaft, and the end of the fixed clamping plate is fixedly connected to the outer surface of the water outlet pipe.

[0010] In the aforementioned laser welding fixture for an evaporator ice outlet, a rotating hole is provided at the center of the fixed top plate, a rotating base is fixedly connected to the upper end of the fixed top plate, a rotating shaft is formed in the rotating base and extends into the rotating hole, the lower end face of the rotating base is fixedly connected to the upper end face of the fixed top plate, the rotating bracket is connected to the rotating base, and the rotating motor is connected to the rotating bracket.

[0011] In the aforementioned laser welding fixture for an evaporator ice outlet, a fourth connecting hole and a fifth connecting hole are provided in the fixed top plate. A first fixing plate and a second fixing plate are respectively fixed in the fourth connecting hole and the fifth connecting hole. The first fixing plate and the second fixing plate are fixedly connected to the upper end of the mounting base.

[0012] Compared with the prior art, the laser welding fixture for the evaporator ice outlet provided by this utility model has the following beneficial effects: 1. The ice outlet adapter seat is provided with a gas connection hole and a gas pipeline, and the mounting seat is provided with a water connection hole and a water connection pipeline, which can respectively introduce protective gas and cooling medium. The protective gas can isolate the air during welding, prevent oxidation of the welding part of the evaporator ice outlet, and improve the weld quality. The water can cool the ice outlet adapter seat through the interval groove, control the heat-affected zone, reduce thermal deformation, and be discharged through the water outlet pipe; 2. Through the cooperation of the first clamping arm assembly, the second clamping arm assembly and the ice outlet adapter seat, the evaporator ice outlet is clamped and positioned from different directions. The arc-shaped clamping arm can be opened and closed through the hinge shaft and the fixed lock, which can flexibly adapt to the evaporator. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the exploded structure of this utility model;

[0015] Figure 3 This is a schematic diagram of the ice outlet adapter structure.

[0016] In the diagram: 1. Fixed top plate; 11. First connecting hole; 12. Second connecting hole; 13. Third connecting hole; 14. Fourth connecting hole; 15. Fifth connecting hole; 16. Rotating hole; 17. First fixing plate; 18. Second fixing plate; 2. First clamping arm assembly; 21. Left clamping arm; 211. First hinge shaft; 22. Right clamping arm; 221. Fixing lock; 23. Arc-shaped clamping arm; 231. Fixing rod; 3. Second clamping arm assembly; 31. Long clamping arm; 311. Second hinge shaft; 32. Fixing clamping plate; 4. Mounting base; 41. Water connection hole; 5. Ice outlet adapter base; 51. Coiled protrusion; 52. Spacing groove; 53. Limiting protrusion ring; 54. Air connection hole; 55. Water outlet pipe; 6. Rotating bracket; 7. Rotating motor; 8. Air connection pipe; 9. Water connection pipe; 10. Rotating chassis; 101. Rotating shaft. Detailed Implementation

[0017] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0018] like Figures 1 to 3 As shown, this embodiment includes a fixed top plate 1, a first clamping arm assembly 2, a second clamping arm assembly 3, a mounting base 4, an ice outlet adapter base 5, a rotating bracket 6, and a rotating motor 7. The fixed top plate 1 has a first connecting hole 11, a second connecting hole 12, and a third connecting hole 13.

[0019] like Figures 1 to 3As shown, the first clamping arm assembly 2 consists of a left clamping arm 21, a right clamping arm 22, and an arc-shaped clamping arm 23. The left clamping arm 21 and the right clamping arm 22 are fixedly connected to the first connecting hole 11 and the second connecting hole 12, respectively. A first hinge shaft 211 is provided at the bottom end of the left clamping arm 21. The arc-shaped clamping arm 23 is rotatably connected to the left clamping arm 21 through the first hinge shaft 211, allowing the arc-shaped clamping arm 23 to open and close flexibly. A fixing lock 221 is installed on the side of the right clamping arm 22, and a corresponding fixing rod 231 is provided on the side of the arc-shaped clamping arm 23. The cooperation between 221 and the fixing rod 231 enables the right clamping arm 22 and the arc-shaped clamping arm 23 to be fixed and separated, facilitating the clamping and disassembly of the workpiece. The second clamping arm assembly 3 includes a long clamping arm 31 and a fixing clamping plate 32. The long clamping arm 31 is fixedly connected to the third connecting hole 13. The lower end of the long clamping arm 31 is provided with a second hinge shaft 311. The fixing clamping plate 32 is connected to the long clamping arm 31 through the second hinge shaft 311, and the end of the fixing clamping plate 32 is fixedly connected to the outer surface of the water outlet pipe 55, thereby achieving stable clamping of the water outlet pipe 55.

[0020] like Figures 1 to 3 As shown, the mounting base 4 is fitted and fixed to the arc-shaped clamping arm 23. The ice outlet adapter 5 is inserted and fixed inside the mounting base 4. The length of the ice outlet adapter 5 is greater than that of the mounting base 4, and its two ends extend out of the mounting base 4. The outer surface of the ice outlet adapter 5 is provided with a coiled protrusion 51. The coiled protrusion 51 and the outer surface of the ice outlet adapter 5 form a gap groove 52. Limiting protrusions 53 are formed at both ends of the ice outlet adapter 5. The limiting protrusions 53 are fixedly connected to the inner sides of both ends of the mounting base 4 to ensure that the ice outlet adapter 5 is in place. The position inside the mounting base 4 is stable. A gas connection hole 54 is opened at the limiting protrusion 53 on one side of the ice outlet adapter 5. A gas connection pipe 8 is fixedly connected in the gas connection hole 54 for conveying protective gas. Two water connection holes 41 are opened in the mounting base 4. A water connection pipe 9 is fixedly connected in each water connection hole 41 for circulating cooling water. The outer surface of the ice outlet adapter 5 is cooled through the interval groove 52. The water outlet pipe 55 is located at the limiting protrusion 53 on the other side.

[0021] To elaborate further, such as Figures 1 to 2 As shown, a rotating base 10 is installed in the rotating hole 16 at the center of the fixed top plate 1. A rotating shaft 101 is formed in the rotating base 10 and extends into the rotating hole 16. The lower end face of the rotating base 10 is fixedly connected to the upper end face of the fixed top plate 10 by bolts. The rotating bracket 6 is connected to the rotating base 10. The rotating motor 7 is connected to the rotating bracket 6. The rotating motor 7 can drive the rotating base 10 to rotate, thereby driving the entire embodiment to rotate, so as to realize welding at different positions of the ice outlet.

[0022] To elaborate further, such as Figures 1 to 2As shown, a first fixing plate 17 and a second fixing plate 18 are respectively fixed in the fourth connecting hole 14 and the fifth connecting hole 15 in the fixed top plate 1. The first fixing plate 17 and the second fixing plate 18 are fixedly connected to the upper end of the mounting base 4, which further enhances the stability of the mounting base 4.

[0023] In actual use, the evaporator ice outlet is placed on the ice outlet adapter seat 5, and it is firmly clamped by the first clamping arm assembly 2 and the second clamping arm assembly 3. Protective gas is delivered through the gas connection pipe 8, and cooling water is circulated through the water connection pipe 9. The rotary motor 7 is started to rotate this embodiment to a suitable welding position, and laser welding can then be performed.

[0024] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

[0025] Although this document uses a variety of terms, the possibility of using other terms is not excluded. These terms are used merely for the convenience of describing and explaining the essence of this invention; interpreting them as any additional limitation would contradict the spirit of this invention.

Claims

1. A laser welding fixture for an evaporator ice outlet, comprising a fixed top plate (1), a first clamping arm assembly (2), a second clamping arm assembly (3), a mounting base (4), an ice outlet adapter base (5), a rotating bracket (6), and a rotating motor (7), characterized in that: The fixed top plate (1) has a first connecting hole (11), a second connecting hole (12), and a third connecting hole (13). The first clamping arm assembly (2) includes a left clamping arm (21), a right clamping arm (22), and an arc-shaped clamping arm (23). The left clamping arm (21) and the right clamping arm (22) are fixedly connected to the first connecting hole (11) and the second connecting hole (12), respectively. The second clamping arm assembly (3) includes a long clamping arm (31) and a fixed clamping plate (32). The mounting base (4) is fitted and fixed to the arc-shaped clamping arm (23). The ice outlet adapter (5) is inserted and fixed inside the mounting base (4). The length of the ice outlet adapter (5) is greater than that of the mounting base (4) and the ice outlet adapter (5) is also greater than that of the mounting base (4). 5) The mounting base (4) extends out at both ends. The outer surface of the ice outlet adapter (5) is provided with a coiled protrusion (51). The coiled protrusion (51) and the outer surface of the ice outlet adapter (5) form a gap groove (52). The ice outlet adapter (5) has a limiting protrusion (53) at both ends. The limiting protrusion (53) is fixedly connected to the inner side of both ends of the mounting base (4). A gas connection hole (54) is opened at the limiting protrusion (53) on one side of the ice outlet adapter (5). A gas connection pipe (8) is fixedly connected in the gas connection hole (54). A water connection hole (41) is opened in the mounting base (4). A water connection pipe (9) is fixedly connected in the water connection hole (41).

2. The laser welding fixture for the ice outlet of an evaporator according to claim 1, characterized in that: The left clamping arm (21) is provided with a first hinge shaft (211) at its bottom end. The arc-shaped clamping arm (23) is connected to the first hinge shaft (211). The right clamping arm (22) is provided with a fixing lock (221) on its side. The arc-shaped clamping arm (23) is provided with a fixing rod (231) on its side. The right clamping arm (22) and the arc-shaped clamping arm (23) are fixed and separated by the fixing lock (221) and the fixing rod (231).

3. The laser welding fixture for the ice outlet of an evaporator according to claim 1, characterized in that: The ice outlet adapter (5) has an integrally formed water outlet pipe (55) at one end.

4. The laser welding fixture for the ice outlet of an evaporator according to claim 3, characterized in that: The lower end of the long clamping arm (31) is provided with a second hinge shaft (311), the fixed clamping plate (32) is connected to the second hinge shaft (311), and the end of the fixed clamping plate (32) is fixedly connected to the outer surface of the water outlet pipe (55).

5. The laser welding fixture for the ice outlet of an evaporator according to claim 1, characterized in that: A rotating hole (16) is provided at the center of the fixed top plate (1). A rotating base (10) is fixedly connected to the upper end of the fixed top plate (1). A rotating shaft (101) is formed in the rotating base (10) and the rotating shaft (101) extends into the rotating hole (16). The lower end face of the rotating base (10) is fixedly connected to the upper end face of the fixed top plate (1). The rotating bracket (6) is connected to the rotating base (10). The rotating motor (7) is connected to the rotating bracket (6).

6. The laser welding fixture for the ice outlet of an evaporator according to claim 1, characterized in that: The fixed top plate (1) is provided with a fourth connecting hole (14) and a fifth connecting hole (15). A first fixing plate (17) and a second fixing plate (18) are fixed in the fourth connecting hole (14) and the fifth connecting hole (15), respectively. The first fixing plate (17) and the second fixing plate (18) are fixedly connected to the upper end of the mounting base (4).

Images