Adjustable nozzle structure for CNC high-pressure cleaning

Abstract

The utility model relates to the technical field of CNC (computer numerical control) high-pressure cleaning, in particular to an adjustable nozzle structure for CNC high-pressure cleaning, which comprises a Morse knife handle, a first through center hole is arranged in the knife handle, and a plurality of first hole positions are arranged at the rear part of the knife handle and positioned in the circumferential direction of the first center hole; a plurality of second hole positions are formed in the front portion of the eccentric spray rod, a through second center hole is formed in the eccentric spray rod, and the second center hole is formed in the eccentric position of the circle center of a circle formed by the second hole positions; by adjusting the connection between the second hole site of the eccentric spray rod and the different first hole sites of the Morse knife handle, the area change of the overlapped part of the second center hole and the first center hole is realized, so that the flow of the nozzle is adjusted. The utility model has the advantages that the flow and the pressure of the adjustable nozzle can be adjusted in a multi-section manner; detachable installation and adjustment are achieved, and overhaul, maintenance and replacement are convenient; the structure is simple, redundant equipment does not need to be added, and enterprise production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of CNC high-pressure cleaning, in particular to an adjustable nozzle structure used for CNC high-pressure cleaning. Background Art

[0002] In modern industry, high-pressure cleaning technology is needed in CNC machining operations to clean and flush the workpiece chips generated during the operation to prevent waste from affecting the machining accuracy. In the prior art, high-pressure cleaning nozzles are used to clean the workpieces in the CNC machining process in a trajectory-controlled scanning cleaning manner, but this type of cleaning nozzle lacks the ability to control the flow and pressure of the cleaning liquid. It is now urgently needed to design an integrated nozzle that meets different flow and pressure control requirements. Utility Model Content

[0003] The utility model aims to overcome the deficiencies of the prior art and provide a structure of an adjustable nozzle for CNC high-pressure cleaning, which realizes flow and pressure regulation of the CNC high-pressure cleaning nozzle through a detachable design.

[0004] In order to achieve the above-mentioned purpose, a structure of an adjustable nozzle for CNC high-pressure cleaning is designed, comprising: a Morse tool handle, which has: a first through center hole arranged in the Morse tool handle; a plurality of first hole positions, arranged at the rear of the Morse tool handle and located in the circumferential direction of the first center hole, for connecting screws; and an eccentric spray rod, which has: a plurality of second hole positions arranged at the front of the eccentric spray rod, matching the first hole positions of the Morse tool handle; a second through center hole arranged inside the eccentric spray rod, wherein the second center hole is arranged at an eccentric position at the center of a circle formed with the plurality of second hole positions; wherein, by adjusting the connection between the second hole positions of the eccentric spray rod and different first hole positions of the Morse tool handle, the area of ​​the overlapping part of the second center hole and the first center hole is changed to adjust the flow rate of the nozzle.

[0005] Preferably, the eccentric spray rod of the utility model includes a first connector and a second connector, the first connector and the second connector are in a step structure, the plurality of second hole positions are arranged on the first connector through, and the second hole positions are all located on the outside of the second connector, a second center hole is provided in the second connector, and a circular groove is provided at the front end of the second connector for accommodating an O-ring, and the circular groove is located between the second hole position and the second center hole.

[0006] Preferably, the screw of the utility model penetrates from the rear of the second hole of the first connector of the eccentric spray rod and connects to the first hole of the Morse handle.

[0007] Preferably, the first center hole of the utility model is arranged at the geometric center or eccentrically of the Morse handle.

[0008] Compared with the prior art, the utility model has the following advantages:

[0009] 1. Realize multi-stage adjustable control of the flow rate and pressure of the CNC high-pressure cleaning nozzle, and accurately control the adjustment amount of the nozzle.

[0010] 2. Disassembly installation and adjustment make it easy to inspect, maintain and replace.

[0011] 3. The structure is simple, no need to add redundant equipment, and reduce the production cost of the enterprise. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 , an exploded diagram of the structure of the utility model;

[0013] Figure 2 , perspective view of the Morse handle and the eccentric spray boom when deflected 0 degrees;

[0014] Figure 3 , perspective view of the Morse handle and the eccentric spray boom when deflected 45 degrees;

[0015] Figure 4 , perspective view of the Morse handle and the eccentric spray boom when deflected 90 degrees;

[0016] Figure 5 , perspective view of the Morse handle and the eccentric spray boom when deflected 135 degrees;

[0017] Figure 6 , perspective view of the Morse handle and the eccentric spray boom when deflected 180 degrees;

[0018] Figure 7 , Bottom view of Morse knife handle;

[0019] Figure 8 , top view of eccentric nozzle;

[0020] In the figure: 1 Morse handle; 1-1 first center hole; 1-2 first hole position; 2 O-ring; 3 eccentric spray rod; 3-1 second center hole; 3-2 second hole position; 3-3 first connector; 3-4 second connector; 3-4-1 circular groove; 4 screw; abcdefg, the second hole position number on the eccentric nozzle in Example 1; ABCDEFG, the first hole position number of the Morse handle in Example 1. DETAILED DESCRIPTION

[0021] 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.

[0022] The utility model provides a structure of an adjustable nozzle for CNC high-pressure cleaning, comprising: a Morse tool handle 1, which has: a through first center hole 1-1 arranged in the Morse tool handle 1; a plurality of first hole positions 1-1, which are arranged at the rear of the Morse tool handle 1 and located in the circumferential direction of the first center hole 1-1, and are used to connect screws 4; and an eccentric spray rod 3, which has: a plurality of second hole positions 3-2 arranged at the front of the eccentric spray rod 3, matching with the first hole positions 1-2 of the Morse tool handle 1; a through second center hole 3-1 arranged inside the eccentric spray rod 3, wherein the second center hole 3-1 is arranged at an eccentric position of the center of a circle formed with the plurality of second hole positions 3-2; wherein, by adjusting the connection between the second hole positions 3-2 of the eccentric spray rod 3 and different first hole positions 1-2 of the Morse tool handle 1, the change of the area of ​​the overlapping part of the second center hole 3-1 and the first center hole 1-1 is realized, so as to adjust the flow rate of the nozzle.

[0023] Preferably, the eccentric spray rod of the utility model includes a first connector 3-3 and a second connector 3-4, the first connector 3-3 and the second connector 3-4 are in a step structure, the plurality of second hole positions 3-2 are arranged through the first connector 3-3, and the second hole positions 3-2 are all located on the outside of the second connector 3-4, a second center hole 3-1 is provided in the second connector 3-4, and a circular groove 3-4-1 is provided at the front end of the second connector 3-4 for accommodating the O-ring 2, and the circular groove 3-4-1 is located between the second hole position 3-2 and the second center hole 3-1.

[0024] Preferably, the screw 4 of the utility model penetrates from the rear of the second hole 3 - 2 of the first connecting body 3 - 3 of the eccentric spray rod 3 and connects to the first hole of the Morse handle 1 .

[0025] Preferably, the first center hole 1 - 1 of the utility model is arranged at the geometric center or eccentrically of the Morse handle 1 .

[0026] For a detailed description of the matching relationship between the first hole position 1-2 and the second hole position 3-2, see Figure 8 The second hole positions 3-2 on the first connecting body 3-3 of the eccentric spray rod 3 are labeled abcdefgh in sequence. Figure 7 , the first hole positions 1-2 on the Morse tool handle 1 are labeled ABCDEFGH in sequence.

[0027] For specific work:

[0028] Basic connection method: The O-ring 2 is clamped in the circular groove 3-4-1, and the screw 4 passes through the second hole 3-2 and the first hole 1-2 in sequence to achieve connection.

[0029] Matching position 1 Morse handle and eccentric spray rod deflection 0 degrees match: Figure 2As shown, at this time, hole a cooperates with hole A, hole b cooperates with hole B, hole c cooperates with hole C, hole d cooperates with hole D, hole e cooperates with hole E, hole f cooperates with hole F, hole g cooperates with hole G, and hole h cooperates with hole H. Figure 2 As shown, at this time, the second center hole 3-1 on the eccentric spray rod 3 is completely matched with the first center hole 1-1 on the Morse handle 1 to form a continuous and unobstructed through passage.

[0030] Matching position 2 Morse handle and eccentric spray rod deflected 45 degrees match: Figure 3 As shown, at this time, hole a cooperates with hole B, hole b cooperates with hole C, hole c cooperates with hole D, hole d cooperates with hole E, hole e cooperates with hole F, hole f cooperates with hole G, hole g cooperates with hole H, and hole h cooperates with hole A. Figure 3 As shown, at this time, the second center hole 3-1 on the eccentric spray rod 3 is misaligned with the first center hole 1-1 on the Morse handle 1, and the second center hole 3-1 is partially blocked. Figure 3 In the middle shaded area, a partially blocked through channel is formed.

[0031] Matching position 3 Morse handle and eccentric spray rod deflected 90 degrees match: Figure 4 As shown, at this time, hole a cooperates with hole C, hole b cooperates with hole D, hole c cooperates with hole E, hole d cooperates with hole F, hole e cooperates with hole G, hole f cooperates with hole H, hole g cooperates with hole A, and hole h cooperates with hole B. Figure 4 As shown, at this time, the second center hole 3-1 on the eccentric spray rod 3 is misaligned with the first center hole 1-1 on the Morse handle 1, and the second center hole 3-1 is partially blocked. Figure 4 In the middle shaded part, the area of ​​the shaded part is different from the area of ​​the shaded part in the matching position 2, forming a partially blocked through channel.

[0032] Matching position 4 Morse handle and eccentric spray bar deflected 135 degrees match: Figure 5 As shown, at this time, hole a cooperates with hole D, hole b cooperates with hole E, hole c cooperates with hole F, hole d cooperates with hole G, hole e cooperates with hole H, hole f cooperates with hole A, hole g cooperates with hole B, and hole h cooperates with hole C. Figure 5 As shown, at this time, the second center hole 3-1 on the eccentric spray rod 3 is misaligned with the first center hole 1-1 on the Morse handle 1, and the second center hole 3-1 is partially blocked. Figure 5 In the middle shaded part, the area of ​​the shaded part is different from the shaded areas in the matching position 2 and the matching position 3, forming a partially blocked through channel.

[0033] Matching position 5 Morse handle and eccentric spray rod deflected 180 degrees match: Figure 6As shown, at this time, hole a cooperates with hole E, hole b cooperates with hole F, hole c cooperates with hole G, hole d cooperates with hole H, hole e cooperates with hole A, hole f cooperates with hole B, hole g cooperates with hole C, and hole h cooperates with hole D. Figure 6 As shown, at this time, the second center hole 3-1 on the eccentric spray rod 3 is misaligned and does not match the first center hole 1-1 on the Morse handle 1, and the second center hole 3-1 is completely blocked. Figure 5 The shadow part produced by no overlap forms a complete blockage with no channel that can be penetrated.

[0034] By means of different matching positions between the first hole position and the second hole position, the flux change of the fluid channel is achieved, thereby controlling the flow rate and pressure of the CNC high-pressure cleaning nozzle to achieve multi-stage adjustable settings.

[0035] 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. An adjustable nozzle structure for CNC high pressure cleaning, characterized in that include Morse handle, which has: A through first center hole is provided in the Morse handle; A plurality of first holes, arranged at the rear of the Morse handle and located in the circumferential direction of the first center hole, for connecting screws; and Eccentric boom with: A plurality of second hole positions are arranged at the front of the eccentric spray bar and match the first hole positions of the Morse handle; A penetrating second center hole is provided inside the eccentric spray rod, wherein the second center hole is arranged at an eccentric position with the center of a circle formed with the plurality of second hole positions; By adjusting the connection between the second hole position of the eccentric spray rod and the different first hole positions of the Morse handle, the overlapping area of ​​the second center hole and the first center hole is changed to adjust the flow rate of the nozzle.

2. The structure of an adjustable nozzle for CNC high pressure cleaning as claimed in claim 1, characterized in that The eccentric spray rod includes a first connector and a second connector, the first connector and the second connector are in a step structure, the plurality of second holes are arranged through the first connector, and the second holes are all located on the outside of the second connector, a second center hole is arranged in the second connector, and a circular groove is arranged at the front end of the second connector for accommodating an O-ring, and the circular groove is located between the second hole and the second center hole.

3. The structure of an adjustable nozzle for CNC high pressure cleaning as claimed in claim 2, characterized in that The screw penetrates from the rear of the second hole of the first connecting body of the eccentric spray rod and is connected to the first hole of the Morse handle.

4. The structure of an adjustable nozzle for CNC high pressure cleaning as claimed in claim 2, characterized in that: The first center hole is arranged at the geometric center or eccentrically of the Morse handle.

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