A copper and aluminum tube welding device for refrigeration equipment

Abstract

This utility model relates to the field of copper and aluminum tube welding technology, and in particular to a copper and aluminum tube welding device for refrigeration equipment. It includes a base, with pads fixed to both ends of the top of the base, and a support frame fixed to the top of each pad. An installation mechanism is rotatably mounted inside the support frame, and a clamping mechanism is provided inside the installation mechanism. The installation frame is fixed to the middle of the top of the base, and a welding head is installed in the middle of the bottom of the installation frame. The advantages are: after the clamping mechanism stabilizes the device, during the welding process, the motor drives the gear to rotate. Through the meshing transmission between the gear and the tooth groove, the installation ring and the copper / aluminum tube rotate synchronously, thus enabling continuous circumferential welding at the weld joint, resulting in a fast welding speed.

Description

Technical Field

[0001] This utility model relates to the field of copper and aluminum tube welding technology, and in particular to a copper and aluminum tube welding device for refrigeration equipment. Background Technology

[0002] Welding, also known as fusion welding, is a manufacturing process and technology that joins metals or other thermoplastic materials such as plastics by heating, high temperature or high pressure.

[0003] When manufacturing, installing, or repairing refrigeration equipment, copper and aluminum pipes need to be welded. The current welding method is to weld manually using a welding torch. Because the melting temperatures of copper and aluminum pipes are quite different, the welding skills of the workers are required.

[0004] Existing copper and aluminum pipe welding devices for refrigeration equipment have limitations. When welding copper and aluminum pipes, the installation of the copper and aluminum pipes is relatively fixed, making it difficult to rotate the weld seam. Furthermore, the copper and aluminum pipes are not stably and accurately aligned before welding, which can easily lead to wobbling and misalignment at the weld.

[0005] Therefore, a copper-aluminum tube welding device for refrigeration equipment is proposed. Utility Model Content

[0006] The purpose of this invention is to address the shortcomings of existing technologies, such as the relatively fixed installation of copper and aluminum tubes, the inconvenience of circumferential rotation of the weld seam, and the difficulty in rotating the welding position. Therefore, this invention proposes a copper and aluminum tube welding device for refrigeration equipment.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] Design a copper and aluminum tube welding device for refrigeration equipment, including a base, with pads fixed at both ends of the top of the base, a support frame fixed at the top of the pads, an installation mechanism rotatably mounted inside the support frame, a clamping mechanism inside the installation mechanism, a mounting frame fixed at the middle of the top of the base, and a welding head mounted at the middle of the bottom of the mounting frame. A copper tube passes through the interior of one installation mechanism, and an aluminum tube passes through the interior of the other installation mechanism. The installation mechanism includes an installation ring with evenly spaced toothed grooves on its outer side. A gear is rotatably mounted on the side of the support frame, located outside the installation ring, and meshes with the toothed grooves for transmission. A motor is mounted on the outer end of the gear. The clamping mechanism includes a clamping plate movably mounted inside the installation ring and securely clamps the copper tube to the outside.

[0009] Furthermore, the pad has a groove in the middle of its top end, the pad is horizontally positioned, the support frame is a U-shaped structure and is vertically positioned, the groove is an arc-shaped groove structure, and the mounting ring is a circular ring structure and is vertically positioned, with its bottom end slidingly inserted into the inside of the groove.

[0010] Furthermore, the top of the support frame has a connecting hole, through which a connecting rod slides. The connecting rod is a threaded rod structure and is vertically positioned above the mounting ring.

[0011] Furthermore, nuts are connected to the surface of the connecting rod at the upper and lower ends of the connecting hole, and a snap-fit ​​plate is fixed to the bottom end of the connecting rod. The snap-fit ​​plate has an L-shaped structure and is slidably snapped into the inner top of the mounting ring.

[0012] Furthermore, the inner ring of the mounting ring is fixed with a plug-in frame, and a plug-in groove is opened inside the plug-in frame at a position located on the inner wall of the mounting ring.

[0013] Furthermore, a push rod is slidably inserted inside the insertion slot, the clamping plate is an arc-shaped plate structure and is fixed to the outside of the push rod, and the push rod is a rectangular rod structure and is distributed in a cross shape inside the mounting ring.

[0014] Furthermore, a spring is connected to the inner end of the push rod, and the spring is compressed and abuts against the inside of the insertion slot. Fastening holes are opened on both sides of the insertion frame, and bolts pass through the internal threads of the fastening holes. The inner end of the bolts abuts against the surface of the push rod, and the fastening holes are threaded holes.

[0015] Furthermore, the base is horizontally positioned, the mounting frame is a U-shaped structure and is vertically positioned between the two support frames, the welded ends of the copper tube and the aluminum tube are aligned and abut against each other, and pass through the two mounting rings respectively.

[0016] The copper and aluminum tube welding device for refrigeration equipment proposed in this utility model has the following advantages:

[0017] 1. This utility model features a rotatable mounting ring between a support frame and a pad, connected by a toothed groove and a gear. The mounting ring is stably vertical and rotatable via a groove and a snap-fit ​​plate. The connection between the aluminum tube and the copper tube is located at the bottom of the welding head. After being clamped and stabilized by a clamping mechanism, the welding head rotates during the welding process. The motor drives the gear to rotate, and the meshing connection between the gear and the toothed groove drives the mounting ring and the copper and aluminum tubes to rotate synchronously. This allows for continuous circumferential welding of the weld joint at a fast welding speed.

[0018] 2. This utility model features a clamping mechanism inside the mounting ring. Therefore, the copper and aluminum tubes are clamped below the welding head by two mounting rings. The clamping plate is elastically and telescopically adjustable inside the mounting ring via a push rod and spring, allowing for the clamping of copper and aluminum tubes of different diameters. The push rod is secured to the inside of the insertion frame with bolts, ensuring stable clamping of the copper or aluminum tube. This improves the stability and accuracy of welding between aluminum tubes and enhances the welding quality between copper and aluminum tubes. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This utility model Figure 1 A schematic diagram of the mounting ring and clamping plate;

[0021] Figure 3 This utility model Figure 1 A schematic diagram of the mounting ring and snap-fit ​​plate;

[0022] Figure 4 This utility model Figure 1 A schematic diagram of the support frame and gear components;

[0023] Figure 5 This utility model Figure 1 A schematic diagram of the clamping plate and spring components.

[0024] In the diagram: 1. Base; 2. Aluminum tube; 3. Plug-in frame; 4. Toothed groove; 5. Mounting ring; 6. Snap-fit ​​plate; 7. Support frame; 8. Nut; 9. Connecting rod; 10. Welding head; 11. Mounting frame; 12. Copper tube; 13. Motor; 14. Gear; 15. Pad; 16. Bolt; 17. Push rod; 18. Clamping plate; 19. Fastening hole; 20. Plug-in groove; 21. Connecting hole; 22. Groove; 23. Spring. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0026] Example 1

[0027] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5The figure shows a copper and aluminum tube welding device for a refrigeration equipment, including a base 1. The top two ends of the base 1 are fixed with pads 15. The top of the pads 15 is fixed with a support frame 7. An installation mechanism is rotatably installed inside the support frame 7. The installation mechanism is equipped with a clamping mechanism. An installation frame 11 is fixed in the middle of the top of the base 1. A welding head 10 is installed in the middle of the bottom of the installation frame 11. A copper tube 12 passes through the inside of one installation mechanism, and an aluminum tube 2 passes through the inside of the other installation mechanism.

[0028] The mounting mechanism includes a mounting ring 5, with toothed grooves 4 evenly spaced on the outer side of the mounting ring 5. A gear 14 is rotatably mounted on the side of the support frame 7, located outside the mounting ring 5. The gear 14 meshes with the toothed grooves 4 for transmission. A motor 13 is mounted on the outer end of the gear 14.

[0029] The clamping mechanism includes a clamping plate 18, which is movably installed inside the mounting ring 5 and securely clamped to the outside of the copper tube 12.

[0030] The top center of the pad 15 has a groove 22. The pad 15 is set horizontally. The support frame 7 has a U-shaped structure and is set vertically. The groove 22 has an arc-shaped groove structure. The mounting ring 5 has a circular ring structure and is set vertically. Its bottom end slides into the inside of the groove 22.

[0031] The top of the support frame 7 has a connecting hole 21, through which a connecting rod 9 slides. The connecting rod 9 is a threaded rod structure and is vertically positioned above the mounting ring 5.

[0032] Nuts 8 are connected to the surface of the connecting rod 9 at the upper and lower ends of the connecting hole 21. A snap-fit ​​plate 6 is fixed to the bottom end of the connecting rod 9. The snap-fit ​​plate 6 has an L-shaped structure and is snapped into the inner top of the mounting ring 5 with a sliding gap.

[0033] The connection between aluminum tube 2 and copper tube 12 is located at the bottom of welding head 10. After being clamped and stabilized by clamping mechanism, during the welding process of welding head 10, motor 13 drives gear 14 to rotate. Through the meshing transmission connection between gear 14 and tooth groove 4, the mounting ring 5 and aluminum tube 2 and copper tube 12 are driven to rotate synchronously, so that the welding joint can be continuously welded in a circular manner, and the welding speed is fast.

[0034] The base 1 is set horizontally, the mounting frame 11 is a U-shaped structure and is set vertically between the two support frames 7, the welded ends of the copper tube 12 and the aluminum tube 2 are aligned and abutted, and pass through the two mounting rings 5 ​​respectively.

[0035] Example 2

[0036] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 The figure shows a copper and aluminum tube welding device for a refrigeration equipment, including a base 1. The top two ends of the base 1 are fixed with pads 15. The top of the pads 15 is fixed with a support frame 7. An installation mechanism is rotatably installed inside the support frame 7. The installation mechanism is equipped with a clamping mechanism. An installation frame 11 is fixed in the middle of the top of the base 1. A welding head 10 is installed in the middle of the bottom of the installation frame 11. A copper tube 12 passes through the inside of one installation mechanism, and an aluminum tube 2 passes through the inside of the other installation mechanism.

[0037] The clamping mechanism includes a clamping plate 18, which is movably installed inside the mounting ring 5 and securely clamped to the outside of the copper tube 12.

[0038] The inner ring of the mounting ring 5 is fixed with a plug frame 3, and a plug slot 20 is opened inside the plug frame 3 at a position located on the inner wall of the mounting ring 5.

[0039] A push rod 17 is slidably inserted into the inside of the insertion slot 20. The clamping plate 18 is an arc-shaped plate structure and is fixed on the outside of the push rod 17. The push rod 17 is a rectangular rod structure and is distributed in a cross shape inside the mounting ring 5.

[0040] The inner end of the push rod 17 is connected to a spring 23. The spring 23 is compressed and abuts against the inside of the insertion slot 20. Fastening holes 19 are opened on both sides of the insertion frame 3. Bolts 16 pass through the internal threads of the fastening holes 19.

[0041] The inner end of bolt 16 abuts against the surface of jacking rod 17, and fastening hole 19 is a threaded hole structure.

[0042] The copper tube 12 is clamped and positioned below the welding head 10 by two mounting rings 5. The clamping plate 18 is elastically and telescopically adjustable inside the mounting rings 5 ​​by means of the push rod 17 and spring 23, so that aluminum tubes 2 and copper tubes 12 of different diameters can be clamped. The push rod 17 is fastened to the inside of the insertion frame 3 by bolts 16, so as to keep the clamping plate 18 stably clamping the aluminum tube 2 or copper tube 12, thereby improving the stability and accuracy of welding between copper tube 12 and aluminum tube 2, and improving the welding quality between copper tubes 12.

[0043] Working method: An installation ring 5 is rotatably set between the support frame 7 and the pad 15, and is connected to the gear 14 by adhesive transmission through the tooth groove 4. At the same time, the installation ring 5 is stably vertically installed and rotatably mounted by the groove 22 and the snap plate 6. Therefore, the connection between the aluminum tube 2 and the copper tube 12 is set at the bottom of the welding head 10. After being clamped and stabilized by the clamping mechanism, during the welding process of the welding head 10, the motor 13 drives the gear 14 to rotate. Through the meshing transmission connection between the gear 14 and the tooth groove 4, the installation ring 5 and the aluminum tube 2 and copper tube 12 are driven to rotate synchronously, so that the welding joint can be continuously welded in a circular manner, and the welding speed is fast.

[0044] A clamping mechanism is set inside the mounting ring 5. Thus, the copper tube 12 is clamped and set below the welding head 10 by the two mounting rings 5. The clamping plate 18 is elastically and telescopically adjustable inside the mounting ring 5 by the push rod 17 and the spring 23, so that aluminum tubes 2 and copper tubes 12 of different diameters can be clamped. The push rod 17 is fastened to the inside of the plug frame 3 by the bolt 16, so as to keep the clamping plate 18 stably clamping the aluminum tube 2 or copper tube 12, thereby improving the stability and accuracy of the welding between the copper tube 12 and the aluminum tube 2, and improving the welding quality between the copper tubes 12 and the copper tubes 12.

[0045] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.

Claims

1. A copper tube aluminum tube welding device for a refrigeration apparatus comprising a base (1), characterized in that: The base (1) has pads (15) fixed at both ends of its top end. A support frame (7) is fixed at the top of the pads (15). An installation mechanism is rotatably installed inside the support frame (7). A clamping mechanism is provided inside the installation mechanism. An installation frame (11) is fixed in the middle of the top end of the base (1). A welding head (10) is installed in the middle of the bottom end of the installation frame (11). A copper tube (12) passes through the inside of one installation mechanism, and an aluminum tube (2) passes through the inside of the other installation mechanism. The mounting mechanism includes a mounting ring (5), with toothed grooves (4) evenly spaced on the outer side of the mounting ring (5). A gear (14) is rotatably mounted on the side of the support frame (7) and located outside the mounting ring (5). The gear (14) meshes with the toothed grooves (4) for transmission. A motor (13) is mounted on the outer end of the gear (14). The clamping mechanism includes a clamping plate (18), which is movably installed inside the mounting ring (5) and securely clamped to the outside of the copper tube (12).

2. A copper tube to aluminum tube welding apparatus for a refrigeration device according to claim 1, characterized in that: The top center of the pad (15) has a groove (22). The pad (15) is horizontally arranged. The support frame (7) is a U-shaped structure and is vertically arranged. The groove (22) is an arc-shaped groove structure. The mounting ring (5) is a circular ring structure and is vertically arranged. Its bottom end is slidably inserted into the inside of the groove (22).

3. A copper tube to aluminum tube welding apparatus for a refrigeration device according to claim 1, characterized in that: The top of the support frame (7) has a connecting hole (21), through which a connecting rod (9) slides. The connecting rod (9) is a threaded rod structure and is vertically positioned above the mounting ring (5).

4. A copper tube to aluminium tube welding apparatus for a refrigeration appliance as claimed in claim 3, characterised in that: Nuts (8) are connected to the surface of the connecting rod (9) and at the upper and lower ends of the connecting hole (21). A snap-fit ​​plate (6) is fixed to the bottom end of the connecting rod (9). The snap-fit ​​plate (6) has an L-shaped structure and is snapped into the inner top of the mounting ring (5) with a sliding gap.

5. The copper tube aluminum tube welding device for a refrigeration apparatus according to claim 1, characterized by: The inner ring of the mounting ring (5) is fixed with a plug frame (3), and a plug slot (20) is opened inside the plug frame (3) at a position located on the inner wall of the mounting ring (5).

6. A copper tube to aluminium tube welding apparatus for a refrigeration appliance as claimed in claim 5, characterised in that: A push rod (17) is slidably inserted into the inside of the insertion slot (20). The clamping plate (18) is an arc-shaped plate structure and is fixed to the outside of the push rod (17). The push rod (17) is a rectangular rod structure and is distributed in a cross shape inside the mounting ring (5).

7. A copper tube to aluminium tube welding apparatus for a refrigeration appliance as claimed in claim 6, characterised in that: The inner end of the push rod (17) is connected to a spring (23), which is compressed and abuts against the inside of the insertion slot (20). The two sides of the insertion frame (3) have fastening holes (19), and the bolts (16) pass through the internal threads of the fastening holes (19). The inner end of the bolts (16) abuts against the surface of the push rod (17). The fastening holes (19) are threaded holes.

8. A copper tube to aluminum tube welding apparatus for a refrigeration unit as defined in claim 1 wherein: The base (1) is horizontally arranged, the mounting frame (11) is in U-shaped structure and is vertically arranged between two support frames (7), and the welding ends of the copper pipe (12) and the aluminum pipe (2) are aligned and abutted with each other and respectively pass through two mounting rings (5).

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