Friction welding machine clamp with cooling function

Abstract

The utility model discloses a friction welding machine clamp with a cooling function. A supporting mechanism comprises a supporting box body. The clamping mechanism is arranged in the supporting box body and comprises a clamping assembly which is arranged in the supporting box body and used for clamping a workpiece. The clamping assembly comprises clamping chucks symmetrically arranged on the two sides of the bottom face in the supporting box and used for clamping two workpieces correspondingly. The cooling mechanism is arranged in the supporting box body, is located above the clamping mechanism and is used for cooling the welded workpiece; the cooling mechanism comprises a heat exchange assembly, a lifting assembly and a cooling assembly which are used for being matched with one another to cool the welded workpiece. According to the friction welding machine clamp with the cooling function, a welded workpiece is cooled, and the cooling effect is good.

Description

Technical Field

[0001] This utility model relates to the field of welding machine cooling technology, and in particular to a friction welding machine fixture with cooling function. Background Technology

[0002] Friction welding is a method of welding workpieces by using the heat generated by friction between their contact surfaces as a heat source, causing the workpieces to undergo plastic deformation under pressure. During friction welding, a large amount of heat is generated, resulting in high temperatures on both workpieces. This poses a risk of burns when removing the workpieces. Therefore, this application proposes a friction welding machine fixture with a cooling function to cool the welded workpieces and reduce the risk of burns to workers. Utility Model Content

[0003] In view of the above-mentioned defects or deficiencies in the prior art, it is desirable to provide a friction welding machine fixture with a cooling function.

[0004] This utility model provides a friction welding machine fixture with a cooling function, comprising a support mechanism, a clamping mechanism, and a cooling mechanism; wherein...

[0005] The support mechanism includes a support box;

[0006] The clamping mechanism is disposed inside the support box and includes a clamping assembly disposed inside the support box for clamping workpieces; the clamping assembly includes clamping chucks symmetrically disposed on both sides of the bottom surface inside the support box for clamping two workpieces respectively.

[0007] The cooling mechanism is located inside the support box and above the clamping mechanism, and is used to cool the welded workpiece. The cooling mechanism includes a heat exchange component, a lifting component, and a cooling component, which work together to cool the welded workpiece.

[0008] Furthermore, the heat exchange assembly includes a heat exchange chamber disposed on the top surface inside the support housing, and multiple sets of parallel heat exchange pipes are fixedly disposed inside the heat exchange chamber; the heat exchange pipes include an outer pipe filled with cooling liquid, and an inner pipe filled with cooling gas disposed inside the outer pipe; the cooling liquid inside the outer pipe is used to perform cooling heat exchange on the cooling gas inside the inner pipe; the cooling gas inside the inner pipe cools the welded workpiece through the cooling assembly.

[0009] Furthermore, one end of the outer pipe is sealed and inserted into the heat exchange box, and the other end is sealed and exits the heat exchange box; the outer pipe is fixedly installed inside the heat exchange box by a bracket, and the outer pipe is arranged in a continuous S-shape; a layer of insulation is wrapped around the outer periphery of the outer pipe.

[0010] Furthermore, one end of the inner pipe is sealed and inserted into the interior of the heat exchange box, and then sealed and inserted into the outer pipe from one side and sealed and exited from the other side of the outer pipe before being sealed and exited from the heat exchange box. The shape of the inner pipe is set according to the shape of the outer pipe.

[0011] Furthermore, a balancing valve is fixedly installed on the wall of the support box to balance the air pressure inside and outside the support box.

[0012] Furthermore, the lifting assembly is disposed between the heat exchange chamber and the cooling assembly; the lifting assembly includes a drive cylinder fixedly disposed on the bottom surface of the heat exchange chamber, and the drive cylinder is disposed vertically downward.

[0013] Furthermore, the cooling assembly includes a mounting plate fixedly disposed at the end of the piston rod of the drive cylinder, the mounting plate being arranged horizontally; a cooling gas nozzle is fixedly disposed on the bottom surface of the mounting plate, the cooling gas nozzle being connected to one end of the inner pipe that extends out of the heat exchange box via a flexible connecting pipe; a baffle is fixedly disposed on the bottom surface of the mounting plate at the circumferential outer side of the cooling gas nozzle, and the two sides of the baffle are provided with U-shaped notches corresponding to the two sets of clamping chucks.

[0014] Furthermore, the inner pipe is fixed inside the outer pipe by a bracket.

[0015] Furthermore, the flexible connecting pipe is wrapped with a thermal insulation layer on its circumferential outer side.

[0016] Furthermore, the clamping chuck is a three-jaw chuck or a four-jaw chuck.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] The friction welding machine fixture with cooling function of this utility model uses a heat exchange component to cool the cooling gas with a cooling liquid. The cooled gas then passes through the cooling component to cool the welded workpiece, thereby reducing the temperature of the workpiece and reducing the risk of burns when workers handle the workpiece.

[0019] In addition, the lifting components and baffles can improve the cooling effect of the cooling components on the welded workpiece and increase the cooling efficiency.

[0020] It should be understood that the content described in the utility model description section is not intended to limit the key or important features of the embodiments of this utility model, nor is it intended to limit the scope of this utility model.

[0021] Other features of this invention will become readily apparent from the following description. Attached Figure Description

[0022] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0023] Figure 1 A schematic diagram of the structure of a friction welding machine fixture with cooling function provided in an embodiment of this utility model;

[0024] Figure 2 This is a schematic diagram of the heat exchange assembly.

[0025] Figure 3 This is a schematic diagram of the structure of the partition cover;

[0026] The following are the labels in the diagram: 1. Support box; 2. Balance valve; 3. Clamping chuck; 4. Heat exchange box; 5. Heat exchange pipe; 51. External pipe; 52. Internal pipe; 6. Drive cylinder; 7. Mounting plate; 8. Cooling gas nozzle; 9. Baffle cover; 10. U-shaped notch; 11. Workpiece; 12. Flexible connection pipe. Detailed Implementation

[0027] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, only the parts relevant to the invention are shown in the accompanying drawings.

[0028] It should be noted that, where there is no conflict, the embodiments and features in the embodiments of this utility model can be combined with each other. The present utility model will now be described in detail with reference to the accompanying drawings and embodiments.

[0029] Please refer to Figures 1-3 This utility model provides a friction welding machine fixture with a cooling function, including a support mechanism, a clamping mechanism, and a cooling mechanism. The friction welding machine fixture is connected to external rotating mechanisms, pushing mechanisms, etc., to achieve the friction welding function of the workpiece.

[0030] The support mechanism includes a support box 1; preferably, a balance valve 2 is fixedly provided on the wall of the support box 1 to balance the air pressure inside and outside the support box 1, so as to avoid the air pressure inside the support box 1 being too high when the workpiece is cooled by cooling gas; wherein, the support box 1 is provided with a sealing door plate corresponding to the clamping mechanism to facilitate the placement or removal of the workpiece 11.

[0031] The clamping mechanism is located inside the support box 1 and includes a clamping assembly for clamping workpieces 11 located inside the support box 1. The clamping assembly includes clamping chucks 3 symmetrically arranged on both sides of the bottom surface inside the support box 1 for clamping two workpieces 11 respectively. The technical solution of this application is for clamping and friction welding of pipe and bar workpieces.

[0032] In a preferred embodiment, the clamping chuck 11 is a three-jaw chuck or a four-jaw chuck.

[0033] The cooling mechanism is located inside the support box 1 above the clamping mechanism and is used to cool the welded workpiece. The cooling mechanism includes a heat exchange component, a lifting component and a cooling component, which work together to cool the welded workpiece 11.

[0034] In a preferred embodiment, the heat exchange assembly includes a heat exchange box 4 disposed on the top surface inside the support box 1. The heat exchange box 4 is wrapped with heat insulation material to reduce the loss of cooling liquid temperature inside the external pipe 51.

[0035] The heat exchange chamber 4 is internally fixed with multiple sets of parallel heat exchange pipes 5, which are used to connect multiple cooling gas nozzles 8 in the cooling assembly;

[0036] The heat exchange pipe 5 includes an outer pipe 51 filled with cooling liquid and an inner pipe 52 filled with cooling gas inside the outer pipe 51. The cooling liquid inside the outer pipe 51 is used to perform cooling heat exchange on the cooling gas inside the inner pipe 52, thereby reducing the temperature of the cooling gas inside the inner pipe 52. The cooling gas inside the inner pipe 52 cools the welded workpiece 11 through a cooling component.

[0037] The two ends of the external pipe 51 are connected to the outlet and inlet of the cooler, respectively, to circulate and cool the coolant, ensuring that the temperature of the coolant is within a certain low range.

[0038] The inlet of the inner pipe 52 is connected to the outlet of the gas source equipment to provide a continuous supply of cooling gas to be cooled.

[0039] In a preferred embodiment, one end of the outer pipe 51 is sealed and inserted into the heat exchange box 4, and the other end is sealed and exits the heat exchange box 4; the outer pipe 51 is fixedly installed inside the heat exchange box 4 by a bracket, and the outer pipe 51 is arranged in a continuous S-shape, which increases the length of the outer pipe 51 while ensuring that the inner pipe 52 can be fully cooled inside the outer pipe 51; a heat insulation layer is wrapped around the circumferential outer side of the outer pipe 51 to prevent heat loss.

[0040] In a preferred embodiment, one end of the inner pipe 52 is sealed and inserted into the interior of the heat exchange box 4, and then sealed and inserted into one side of the outer pipe 51 and sealed and exited from the other side of the outer pipe 51 before being sealed and exited from the heat exchange box 4. The shape of the inner pipe 52 is set according to the shape of the outer pipe 51.

[0041] In a preferred embodiment, a lifting assembly is disposed between the heat exchange chamber 4 and the cooling assembly; the lifting assembly includes a drive cylinder 6 fixedly disposed on the bottom surface of the heat exchange chamber 4, the drive cylinder 6 being disposed vertically downward; the lifting assembly can drive the cooling assembly to move up and down, so that when the cooling assembly cools the welded workpiece 11, it can be closer to the workpiece 11, thereby improving the cooling effect.

[0042] In a preferred embodiment, the cooling assembly includes a mounting plate 7 fixedly disposed at the end of the piston rod of the drive cylinder 6, the mounting plate 7 being disposed horizontally; a cooling gas nozzle 8 is fixedly disposed on the bottom surface of the mounting plate 7, the cooling gas nozzle 8 being connected to one end of the inner pipe 52 that extends out of the heat exchange box 4 via a flexible connecting pipe 12, the flexible connecting pipe 12 being covered with a heat insulation layer on its circumferential outer side; a baffle 9 is fixedly disposed on the bottom surface of the mounting plate 7 on the circumferential outer side of the cooling gas nozzle 8, and the two sides of the baffle 9 being provided with U-shaped notches 10 corresponding to the two sets of clamping chucks 3.

[0043] The U-shaped notch 10 is designed to prevent the clamping chuck 3 from interfering with the movement of the partition cover 9 when the driving cylinder 6 drives the cooling component to move downward.

[0044] In a preferred embodiment, the inner pipe 52 is fixed inside the outer pipe 51 by a bracket.

[0045] The working principle of this utility model:

[0046] During use, the cooling gas inside the inner pipe 52 is pre-cooled, and the cooling liquid inside the outer pipe 51 is used to cool the cooling gas inside the inner pipe 52 for later use.

[0047] Two workpieces 11 to be welded are clamped on two clamping chucks 3 respectively. By rotating the two clamping chucks 3 in opposite directions, the two workpieces 11 are friction welded. After the friction welding is completed, the mounting plate 7 and the partition cover 9 are driven downward by the driving cylinder 6 to cover the outside of the welded workpiece 11. Then, the cooling gas nozzle 8 is activated to cool down the welded workpiece 11. After a certain period of time, the mounting plate 7 and the partition cover 9 are driven upward by the driving cylinder 6, and the worker takes out the cooled welded workpiece.

[0048] In the description of this specification, the terms "connection," "installation," and "fixing," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0049] In the description of this specification, the terms "one embodiment," "some embodiments," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0050] The above are merely preferred embodiments of this application and are not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A friction welding machine fixture with a cooling function, characterized in that, It includes a support mechanism, a clamping mechanism, and a cooling mechanism; among which, The support mechanism includes a support box; The clamping mechanism is disposed inside the support box and includes a clamping assembly disposed inside the support box for clamping workpieces; the clamping assembly includes clamping chucks symmetrically disposed on both sides of the bottom surface inside the support box for clamping two workpieces respectively. The cooling mechanism is located inside the support box and above the clamping mechanism, and is used to cool the welded workpiece. The cooling mechanism includes a heat exchange component, a lifting component, and a cooling component, which work together to cool the welded workpiece.

2. The friction welding machine fixture with cooling function according to claim 1, characterized in that, The heat exchange assembly includes a heat exchange chamber disposed on the top surface inside the support box. Multiple sets of parallel heat exchange pipes are fixedly disposed inside the heat exchange chamber. Each heat exchange pipe includes an outer pipe filled with cooling liquid and an inner pipe filled with cooling gas inside the outer pipe. The cooling liquid inside the outer pipe is used to perform cooling heat exchange on the cooling gas inside the inner pipe. The cooling gas inside the inner pipe cools the welded workpiece through the cooling assembly.

3. The friction welding machine fixture with cooling function according to claim 2, characterized in that, One end of the outer pipe is sealed and inserted into the heat exchange box, and the other end is sealed and exits the heat exchange box; the outer pipe is fixed inside the heat exchange box by a bracket, and the outer pipe is arranged in a continuous S-shape; a heat insulation layer is wrapped around the outer circumference of the outer pipe.

4. The friction welding machine fixture with cooling function according to claim 3, characterized in that, One end of the inner pipe is sealed and inserted into the interior of the heat exchange box, and then sealed and inserted into the outer pipe from one side and sealed and exited from the other side of the outer pipe before being sealed and exited from the heat exchange box. The shape of the inner pipe is set according to the shape of the outer pipe.

5. The friction welding machine fixture with cooling function according to claim 4, characterized in that, A balancing valve is fixedly installed on the wall of the support box to balance the air pressure inside and outside the support box.

6. The friction welding machine fixture with cooling function according to claim 5, characterized in that, The lifting assembly is disposed between the heat exchange chamber and the cooling assembly; the lifting assembly includes a drive cylinder fixedly disposed on the bottom surface of the heat exchange chamber, and the drive cylinder is disposed vertically downward.

7. The friction welding machine fixture with cooling function according to claim 6, characterized in that, The cooling assembly includes a mounting plate fixedly disposed at the end of the piston rod of the drive cylinder, the mounting plate being arranged horizontally; a cooling gas nozzle is fixedly disposed on the bottom surface of the mounting plate, the cooling gas nozzle being connected to one end of the inner pipe that extends out of the heat exchange box via a flexible connecting pipe; a baffle is fixedly disposed on the bottom surface of the mounting plate at the circumferential outer side of the cooling gas nozzle, the two sides of the baffle having U-shaped notches corresponding to the two sets of clamping chucks.

8. The friction welding machine fixture with cooling function according to claim 7, characterized in that, The inner pipe is fixed inside the outer pipe by a bracket.

9. The friction welding machine fixture with cooling function according to claim 7, characterized in that, The flexible connecting pipe is wrapped with an insulation layer on its outer circumference.

10. The friction welding machine fixture with cooling function according to claim 1, characterized in that, The clamping chuck is a three-jaw chuck or a four-jaw chuck.

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