Water jet cutting nozzle assembly with nozzle capable of being rapidly replaced
The nozzle is quickly fixed by a clamping plate and spring structure, combined with an arc plate and threaded rod clamping, which solves the problem of long replacement time for water jet nozzles, and realizes rapid replacement and stable installation, thereby improving production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-19
- Publication Date
- 2026-03-17
AI Technical Summary
The existing threaded connection of waterjet nozzles requires multiple rotations during replacement, which affects production efficiency.
It adopts a clamping plate and spring structure. By rotating the mounting sleeve, the clamping plate retracts and fixes the nozzle. The spring's reaction force makes a tight contact. Combined with the arc-shaped plate and threaded rod, the nozzle is clamped, enabling quick replacement.
Reduce nozzle replacement time, improve replacement efficiency, ensure nozzle stability, prevent misalignment, and improve production efficiency.
Smart Images

Figure CN223998187U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of waterjet cutting technology, and in particular relates to a waterjet cutting nozzle assembly with a quick-change nozzle. Background Technology
[0002] Waterjet cutting is a technique that uses high-pressure water jets to cut objects. It is favored because cold cutting does not change the physical and chemical properties of the material. At the same time, when cutting with a waterjet, abrasives such as garnet sand and corundum can be added to the high-pressure water jet to assist the cutting, thereby increasing the cutting speed and the thickness that can be cut.
[0003] In the use of waterjet cutting, it is sometimes necessary to replace the nozzles to achieve different effects. However, since the nozzles are usually installed by threaded connections, multiple rotations are required to remove them, which takes time and affects production efficiency. To solve this problem, there is an urgent need for a waterjet cutting nozzle assembly that allows for quick nozzle replacement. Utility Model Content
[0004] The purpose of this utility model is to solve the problem that in the use of waterjet cutting, it is sometimes necessary to replace the nozzle of the waterjet to achieve different effects. However, since the nozzle is usually installed by a threaded connection, it is necessary to rotate it multiple times to remove it, which takes a certain amount of time and affects production efficiency. Therefore, a waterjet cutting nozzle assembly with quick nozzle replacement is proposed.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: a water jet cutting nozzle assembly with quick-change nozzle, including a mounting base, a fixing ring fixedly connected to the outer wall of the mounting base, a fixing component provided on the outer wall of the mounting base, a clamping component provided at the bottom end of the mounting base, and a top plate slidably connected to the mounting base through a groove therein, with a nozzle fixedly connected to the bottom surface of the top plate;
[0006] The fixing component includes a mounting sleeve, a connecting column fixedly connected to the top surface of the mounting sleeve, a clamping plate slidably connected to the outer wall of the connecting column, a top block slidably connected to the clamping plate through a groove on its top surface, a spring fixedly connected to the bottom surface of the top block, and a ring fixedly connected to the top of the connecting column.
[0007] As a further description of the above technical solution:
[0008] The mounting sleeve is rotatably connected to the mounting base through a through hole in its interior, and the mounting sleeve is rotatably connected to the fixing ring through a groove in its inner wall.
[0009] As a further description of the above technical solution:
[0010] The clamping plate is slidably connected to the mounting base through a groove on the outer wall of the mounting base. An arc-shaped groove is provided inside the clamping plate and the connecting column is located in the arc-shaped groove.
[0011] As a further description of the above technical solution:
[0012] The inner wall of the ring is rotatably connected to the mounting base, and one side of the top block is provided with an inclined surface.
[0013] As a further description of the above technical solution:
[0014] The clamping assembly includes a mounting rod, the top end of which is fixedly connected to the mounting base.
[0015] As a further description of the above technical solution:
[0016] The mounting rod is threaded to a threaded rod through a threaded hole at its bottom end, and a connecting seat is rotatably connected to one end of the threaded rod.
[0017] As a further description of the above technical solution:
[0018] An arc-shaped plate is fixedly connected to one side of the connecting seat, and a rubber pad is fixedly connected to one side of the arc-shaped plate.
[0019] As a further description of the above technical solution:
[0020] There are two mounting rods located on both sides of the nozzle, and one side of the rubber pad is in contact with the nozzle.
[0021] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are:
[0022] In this invention, a clamping plate is provided inside. During installation, rotating the mounting sleeve moves the clamping plate, causing it to retract into the groove on the inner wall of the mounting base. This allows the nozzle and top plate to be placed into the groove on the bottom surface of the mounting base. Then, the mounting sleeve is reversed to reset the clamping plate, bringing the top block into contact with the bottom surface of the top plate. The reaction force of the spring ensures a tight contact between the top plate and the mounting base. This design allows the top plate to be fixed or unfixed simply by rotating the mounting sleeve at a certain angle when replacing the nozzle, reducing the time spent on installation and disassembly, improving the efficiency of nozzle replacement, and minimizing the impact on processing and production.
[0023] In this invention, an arc-shaped plate is provided inside. During the installation of the nozzle, it is placed between the arc-shaped plates. After the nozzle is fixed, the arc-shaped plate is driven by rotating the threaded rod to clamp the nozzle. Through this design, the nozzle can be auxiliaryly fixed by the arc-shaped plate after installation, avoiding displacement caused by collisions, thereby ensuring the stability of the nozzle and reducing the impact of external factors on the nozzle. Attached Figure Description
[0024] Figure 1 This is a three-dimensional structural diagram of a waterjet cutting nozzle assembly with a quick-change nozzle.
[0025] Figure 2 This is an exploded three-dimensional structural diagram of a waterjet cutting nozzle assembly with a quick-change nozzle.
[0026] Figure 3 This is an exploded three-dimensional structural diagram of the fixing component in a waterjet cutting nozzle assembly with a quick-change nozzle.
[0027] Figure 4 This is an exploded three-dimensional structural diagram of the clamping component in a waterjet cutting nozzle assembly with a quick-change nozzle.
[0028] Legend:
[0029] 1. Mounting base; 2. Retaining ring; 3. Clamping assembly; 31. Mounting rod; 32. Threaded rod; 33. Connecting seat; 34. Curved plate; 35. Rubber pad; 4. Fixing assembly; 41. Circular ring; 42. Top block; 43. Spring; 44. Clamping plate; 45. Connecting column; 46. Mounting sleeve; 5. Top plate; 6. Nozzle. Detailed Implementation
[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.
[0031] Please see Figures 1-4 This utility model provides a technical solution: a water jet cutting nozzle assembly with quick-change nozzle, including a mounting base 1, characterized in that: a fixing ring 2 is fixedly connected to the outer wall of the mounting base 1, a fixing component 4 is provided on the outer wall of the mounting base 1, a clamping component 3 is provided at the bottom end of the mounting base 1, a top plate 5 is slidably connected to the mounting base 1 through a groove opened therein, and a nozzle 6 is fixedly connected to the bottom surface of the top plate 5;
[0032] The fixing component 4 includes a mounting sleeve 46, a connecting post 45 fixedly connected to the top surface of the mounting sleeve 46, a clamping plate 44 slidably connected to the outer wall of the connecting post 45, a top block 42 slidably connected to the clamping plate 44 through a groove opened on its top surface, a spring 43 fixedly connected to the bottom surface of the top block 42, and a ring 41 fixedly connected to the top of the connecting post 45.
[0033] The mounting sleeve 46 is rotatably connected to the mounting base 1 through a through hole. The mounting sleeve 46 is rotatably connected to the fixing ring 2 through a groove on its inner wall. The clamping plate 44 is slidably connected to the mounting base 1 through a groove on its outer wall. The clamping plate 44 has an arc-shaped groove and the connecting post 45 is located in the arc-shaped groove. The inner wall of the ring 41 is rotatably connected to the mounting base 1. The top block 42 has an inclined surface on one side.
[0034] The specific implementation method is as follows: During installation, the mounting sleeve 46 is rotated and the connecting column 45 is slid in the arc groove in the clamping plate 44, thereby moving the clamping plate 44 to retract into the groove on the inner wall of the mounting base 1, so that the nozzle 6 and the top plate 5 are placed into the groove on the bottom surface of the mounting base 1. Then, the mounting sleeve 46 is reversed to reset the clamping plate 44, and the inclined surface on one side of the top block 42 contacts the bottom surface of the top plate 5 and slides to the bottom surface of the top plate 5, thereby compressing the spring 43. The reaction force of the spring 43 makes the top plate 5 and the mounting base 1 in close contact.
[0035] The clamping assembly 3 includes a mounting rod 31, the top end of which is fixedly connected to the mounting base 1. The mounting rod 31 is threadedly connected to a threaded rod 32 through a threaded hole at its bottom end. One end of the threaded rod 32 is rotatably connected to a connecting base 33. An arc-shaped plate 34 is fixedly connected to one side of the connecting base 33. A rubber pad 35 is fixedly connected to one side of the arc-shaped plate 34. There are two mounting rods 31 located on both sides of the nozzle 6. One side of the rubber pad 35 is in contact with the nozzle 6.
[0036] The specific implementation method is as follows: when the nozzle 6 is installed, it is placed between the arc plates 34. After the nozzle 6 is fixed, the arc plates 34 are moved by rotating the threaded rod 32, so that the nozzle 6 is clamped by the arc plates 34 on both sides and kept stable.
[0037] Working principle: During installation, rotating the mounting sleeve 46 causes the connecting column 45 to slide in the arc groove within the clamping plate 44, thereby moving the clamping plate 44 and causing it to retract into the groove on the inner wall of the mounting base 1. This allows the nozzle 6 and the top plate 5 to be placed into the groove on the bottom surface of the mounting base 1. Then, the mounting sleeve 46 is reversed to reset the clamping plate 44, causing the inclined surface on one side of the top block 42 to contact the bottom surface of the top plate 5 and slide to the bottom surface of the top plate 5, thus compressing the spring 43. The reaction force of the spring 43 makes the top plate 5 and the mounting base 1 in close contact. At the same time, the nozzle 6 is placed between the arc plates 34. After the nozzle 6 is fixed, rotating the threaded rod 32 moves the arc plates 34, thereby clamping the nozzle 6 on both sides of the arc plates 34 to keep it stable.
[0038] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A water jet cutting head assembly with quick change nozzle comprising a mounting base (1) characterised in that: The outer wall of the mounting seat (1) is fixedly connected with a fixing ring (2), the outer wall of the mounting seat (1) is provided with a fixing assembly (4), the bottom end of the mounting seat (1) is provided with a clamping assembly (3), and the mounting seat (1) is slidably connected with a top plate (5) through a groove formed in the mounting seat (1); the bottom surface of the top plate (5) is fixedly connected with a spray head (6). The fixing assembly (4) comprises a mounting sleeve (46), the top surface of the mounting sleeve (46) is fixedly connected with a connecting column (45), the outer wall of the connecting column (45) is slidably connected with a clamping plate (44), the clamping plate (44) is slidably connected with a top block (42) through a groove formed in the top surface of the clamping plate (44), the bottom surface of the top block (42) is fixedly connected with a spring (43), and the top end of the connecting column (45) is fixedly connected with a circular ring (41).
2. The water jet cutting head assembly with quick change nozzle of claim 1, wherein, The mounting sleeve (46) is rotationally connected with the mounting seat (1) through a through hole formed in the mounting sleeve (46), and the mounting sleeve (46) is rotationally connected with the fixing ring (2) through a groove formed in the inner wall of the mounting sleeve (46).
3. The water jet cutting head assembly with quick change nozzle of claim 2, wherein, The clamping plate (44) is slidably connected with the mounting seat (1) through a groove formed in the outer wall of the mounting seat (1), and the clamping plate (44) is provided with an arc-shaped groove, and the connecting column (45) is located in the arc-shaped groove.
4. The water jet cutting head assembly with quick change nozzle of claim 3, wherein, The inner wall of the circular ring (41) is rotationally connected with the mounting seat (1), and one side of the top block (42) is provided with an inclined surface.
5. The water jet cutting head assembly with quick change nozzle of claim 4, wherein, The clamping assembly (3) comprises a mounting rod (31), and the top end of the mounting rod (31) is fixedly connected with the mounting seat (1).
6. The water jet cutting head assembly with quick change nozzle of claim 5, wherein, The mounting rod (31) is threadedly connected with a threaded rod (32) through a threaded hole formed in the bottom end of the mounting rod (31), and one end of the threaded rod (32) is rotationally connected with a connecting seat (33).
7. The water jet cutting head assembly with quick change nozzle of claim 6, wherein, One side of the connecting seat (33) is fixedly connected with an arc-shaped plate (34), and one side of the arc-shaped plate (34) is fixedly connected with a rubber pad (35).
8. The water jet cutting head assembly with quick change nozzle of claim 7, wherein, The mounting rod (31) is provided with two mounting rods (31) and is located on both sides of the spray head (6), and one side of the rubber pad (35) is in contact with the spray head (6).