High-precision detachable long nozzle structure

Abstract

The utility model relates to the technical field of precision machining, in particular to a high-precision detachable long nozzle structure which comprises a cutter bar and a nozzle, a shaft hole is formed in one end of the cutter bar, the inner side of the shaft hole is a precision matching section, and the outer side of the shaft hole is a threaded connection section; one end of the nozzle is inserted into the cutter bar shaft hole and is precisely matched with the inner side of the shaft hole, a groove is formed in the position close to one end of the nozzle, a sealing ring is arranged in the groove, an outer threaded section matched with the shaft hole threaded connection section is further arranged on the outer side of the nozzle, and the nozzle is in threaded connection with the cutter bar shaft hole part and is used for detachable and coarse positioning; the nozzle is precisely matched with the shaft hole part of the cutter bar for precise positioning. The utility model has the advantages that the deformation generated in processing is reduced, and the qualified rate of finished products is higher; the machining complexity is reduced, deformation in the machining process is reduced, and the loss rate and the production cost are reduced; the small diameter of the workpiece is achieved, and the workpiece can extend into a small inner hole to be cleaned; only the nozzle needs to be replaced when the workpiece is replaced, and workpiece replacement operability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of precision machining, in particular to a high-precision detachable long spray head structure. Background Art

[0002] With the rapid development of modern industrial technology, precision machining technology has become an indispensable part of the manufacturing industry. In the process of precision machining, tool holders and nozzles are core components, and their design, manufacturing and use directly affect the machining accuracy and efficiency. In recent years, precision machining tool holders and nozzles with integrated design have gradually attracted attention. Precision machining tool holders and nozzles with integrated design usually use advanced materials and manufacturing processes to integrate the tool holder and nozzle into a whole, reducing the assembly process. However, despite the many advantages of the integrated design, some problems have also been exposed in practical applications.

[0003] Easy deformation during processing: The integrated tool holder and nozzle are prone to deformation during processing due to factors such as material, process, nozzle length and temperature. This deformation not only affects the final processing accuracy, but may also cause equipment damage and safety accidents. In contrast, the detachable split design allows the tool holder and nozzle to be adjusted and optimized separately during processing, thereby reducing the risk of deformation.

[0004] The size of the head cutter is large and imprecise: During the manufacturing process of the integrated handle and nozzle, due to structural limitations and process requirements, it is often difficult to ensure the size accuracy of the head cutter. This will affect the cutting effect and surface quality during the processing. The detachable split design can select cutters of different sizes according to actual needs, making it easier to achieve high-precision processing.

[0005] Replacing the cutter head is cumbersome: When replacing the cutter head of the integrated handle and nozzle, the entire device or parts need to be disassembled, which is cumbersome and time-consuming. This not only increases maintenance costs, but may also affect production progress. The detachable split design allows for quick replacement of the cutter head, improving production efficiency and flexibility.

[0006] Therefore, it is urgent to design a high-precision detachable long nozzle structure. Utility Model Content

[0007] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a high-precision detachable long nozzle structure to improve the processing accuracy of the tool handle and the nozzle, reduce the processing cost, enhance the switchability of the nozzle, and simplify the replacement operation.

[0008] In order to achieve the above-mentioned purpose, a high-precision detachable long nozzle structure is designed, including a tool rod and a nozzle, wherein an axial hole is provided at one end of the tool rod, the inner side of the axial hole is a precision fitting section, and the outer side of the axial hole is a threaded connection section; one end of the nozzle is used to be inserted into the axial hole of the tool rod and precisely fit with the inner side of the axial hole, a groove is provided near one end of the nozzle, a sealing ring is arranged in the groove, an external thread section that fits with the threaded connection section of the axial hole is also provided on the outer side of the nozzle, the nozzle is threadedly connected to the axial hole portion of the tool rod for detachability and rough positioning; the nozzle is precisely fitted with the axial hole portion of the tool rod for precise positioning.

[0009] Preferably, the other end of the knife rod of the utility model is connected to a high-pressure water joint, and a fluid channel is provided inside the knife rod, which is connected to the axial hole.

[0010] Preferably, the nozzle and the knife rod of the utility model are connected by threads, combined with precise matching of the hole and the shaft and O-ring sealing, so as to ensure sealing and coaxiality.

[0011] Compared with the prior art, the utility model has the following advantages:

[0012] 1. High processing yield rate: The structure of the utility model is easier to process and realize than the one-piece nozzle in terms of processing yield rate, and the process is easy to control. The one-piece handle and nozzle are prone to deformation during the processing because of their long overall structure length. The structure of the utility model reduces the deformation that may occur during the processing, and the qualified rate of the finished product is higher.

[0013] 2. Low production cost: Since the production yield rate of the structure of the utility model is higher than that of the integrated structure, the complexity of processing is effectively reduced, the deformation during processing is reduced, the unqualified rate is reduced, the loss rate is reduced, and the production cost is reduced.

[0014] 3. Wider scope of application: The front section of the structure of the utility model can achieve a smaller diameter of the workpiece, which is suitable for the use scenario of extending into the cleaning of holes with smaller inner holes. Compared with the one-piece workpiece with a larger diameter, it broadens the working conditions of use.

[0015] 4. More convenient operation: In the working scene, when replacing the workpiece, you only need to replace the nozzle, without replacing the entire nozzle, which improves the operability of workpiece replacement in work production, reduces labor and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 , a schematic diagram of the structure of the utility model;

[0017] In the figure: 1. knife rod; 2. nozzle; 3. O-ring. DETAILED DESCRIPTION

[0018] In order to make the purpose, principle and structure of the utility model clearer, it is further described below in conjunction with the drawings and specific embodiments.

[0019] like Figure 1 As shown, this embodiment provides a high-precision detachable long nozzle structure, including a tool rod 1 and a nozzle 2, wherein an axial hole is provided at one end of the tool rod, the inner side of the axial hole is a precision fitting section, and the outer side of the axial hole is a threaded connection section; one end of the nozzle 2 is used to be inserted into the axial hole of the tool rod, and is precisely matched with the inner side of the axial hole, a groove is provided near one end of the nozzle 2, a sealing ring is provided in the groove, an external thread section that is matched with the threaded connection section of the axial hole is also provided on the outer side of the nozzle 2, the nozzle 2 is threadedly connected to the axial hole portion of the tool rod 1 for detachability and rough positioning; the nozzle 2 is precisely matched with the axial hole portion of the tool rod 1 for precise positioning.

[0020] The other end of the knife bar 1 is connected to a high-pressure water connector, and a fluid channel is provided inside the knife bar, connected to the shaft hole. The nozzle and the knife bar are connected by threads, combined with precise hole-shaft matching and O-ring 3 sealing to ensure sealing and coaxiality.

[0021] When the nozzle 2 needs to be replaced, it is only necessary to unlock the thread lock between the nozzle 2 and the shaft hole of the tool handle 1 and replace the new nozzle 2. The new nozzle 2 can be easily positioned accurately under the precise thread structure of the shaft hole part, and locked through the thread of the shaft hole and sealed through the O-ring.

[0022] The above is only a specific implementation method of this utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field within the technical scope disclosed by the utility model, according to the technical solution and new concept of the utility model, shall be covered by the protection scope of the utility model.

Claims

1. A high-precision detachable long nozzle structure, comprising a knife bar and a nozzle, characterized in that An axial hole is formed at one end of the knife rod, the inner side of the axial hole is a precision fitting section, and the outer side of the axial hole is a threaded connection section; One end of the nozzle is used to be inserted into the shaft hole of the knife rod and precisely matched with the inner side of the shaft hole. A groove is provided near one end of the nozzle. A sealing ring is provided in the groove. An external thread section that matches with the threaded connection section of the shaft hole is also provided on the outside of the nozzle. The nozzle is threadedly connected to the shaft hole of the cutter bar for detachability and rough positioning; The nozzle is precisely matched with the shaft hole of the knife rod for accurate positioning.

2. A high-precision detachable long nozzle structure as claimed in claim 1, characterized in that The other end of the knife rod is connected to a high-pressure water joint, and a fluid channel is provided inside the knife rod and connected to the shaft hole.

3. A high-precision detachable long nozzle structure as claimed in claim 1, characterized in that The nozzle and the knife rod are connected by threads, combined with precise hole-shaft matching and O-ring sealing to ensure sealing and coaxiality.

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