Noise reduction structure of numerical control drilling and milling machine

Abstract

The noise reduction structure of the numerical control drilling and milling machine comprises a bottom plate and the numerical control drilling and milling machine, the bottom of the numerical control drilling and milling machine is fixedly connected with the top of the bottom plate, the two sides of the numerical control drilling and milling machine are both communicated with exhaust filter plates, and the two sides of the numerical control drilling and milling machine are both fixedly connected with noise reduction assemblies used for guiding and eliminating noise. The noise reduction assembly comprises connecting plates fixedly connected with the two sides of the numerical control drilling and milling machine, one side of each connecting plate is fixedly connected with a pipeline frame, and the inner wall of each pipeline frame is fixedly connected with a noise reduction pipeline. According to the noise reduction structure of the numerical control drilling and milling machine, the noise reduction assembly is arranged, a noise reduction pipeline is adopted by a related structure to absorb noise, the noise is guided into a solid noise absorption environment formed by the bottom plate and the sound insulation groove block, a sealing elastic sleeve is arranged on the surface of the sound insulation groove block, and it is further guaranteed that the noise hardly leaks out.

Description

Technical Field

[0001] The utility model relates to the technical field of noise reduction structures, in particular to a noise reduction structure of a numerically controlled drilling and milling machine. Background Art

[0002] Milling machines mainly refer to machine tools that use milling cutters to process various surfaces of workpieces. Patent with announcement number CN216249976U discloses a noise reduction structure for a CNC drilling and milling machine, including a milling machine body, the top of the milling machine body is connected to an exhaust pipe, a shock absorbing pipe is fixedly connected to the inside of the exhaust pipe, and a shock guide rod is fixedly connected to the surface of the shock absorbing pipe. This patent solves the problem that existing CNC milling machines generate noise during operation by arranging a milling machine body, an exhaust pipe, a shock absorbing pipe, a shock guide rod, a through hole, a fixing box, a shock-absorbing air cushion, a fiber sound-absorbing layer and a sound-absorbing cotton layer for mutual use, and most of the noise is discharged from the air outlet;

[0003] However, as shown above, the existing CNC milling machines cannot reduce the noise of the air outlet, so that the noise can easily enter the ears of the operator. Working in a noisy environment for a long time will increase the probability of the operator's hearing system being affected, and the operator's health cannot be guaranteed. The device has the advantage of being able to reduce the noise of the air outlet, thereby improving practicality.

[0004] The above patent uses partition plates and partition holes on the inner wall of the exhaust pipe to try to divide the sound waves. In fact, the sound waves are longitudinal waves, and the holes on the partition plates have little effect on sound wave cutting and noise reduction. The above patent uses sound wave absorbing materials of various shapes on the inner wall of the exhaust pipe, and the overall absorption effect is poor. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a noise reduction structure for a CNC drilling and milling machine, which solves the problem that the sound waves are longitudinal waves and the holes in the dividing plate have no obvious effect on the noise reduction of sound wave cutting. The above-mentioned patent uses sound wave absorbing materials of various shapes on the inner wall of the exhaust pipe, resulting in poor overall absorption effect.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a noise reduction structure of a CNC drilling and milling machine, comprising a base plate and a CNC drilling and milling machine, the bottom of the CNC drilling and milling machine is fixedly connected to the top of the base plate, both sides of the CNC drilling and milling machine are connected to exhaust filter plates, both sides of the CNC drilling and milling machine are fixedly connected to noise reduction components for guiding and eliminating noise, the noise reduction components include a connecting plate fixedly connected to both sides of the CNC drilling and milling machine, one side of the connecting plate is fixedly connected to a pipe rack, the inner wall of the pipe rack is fixedly connected to an exhaust filter plate, and the exhaust filter plate is fixedly connected to the inner wall of the pipe rack. A sound pipe, one side of the sound-absorbing pipe is connected to an elastic pipe, one side of the elastic pipe is fixedly connected to an exhaust hood, the surface of the exhaust hood is fixedly connected to a handle, the number of the handles is set to two, one end of the sound-absorbing pipe is connected to the sound-absorbing hood, the top of the base plate is fixedly connected to a sound insulation groove block, the inner wall of the sound insulation groove block is movably connected to a sealing elastic sleeve, the front of the CNC drilling and milling machine is hinged with an opening and closing component for sound insulation of the drilling and milling machine, and both sides of the CNC drilling and milling machine are rotatably connected with limit components for fixed connection of noise reduction components.

[0007] Preferably, the opening and closing assembly comprises a sealing cover hinged to the front side of the CNC drilling and milling machine, and reinforcing ribs are arranged on the surface of the sealing cover.

[0008] Preferably, an observation groove is provided on the surface of the sealing cover, and tempered glass is arranged in the observation groove.

[0009] Preferably, an auxiliary silencer plate is movably connected to the surface of the observation slot, and a push-pull handle is fixedly connected to the surface of the sealing cover.

[0010] Preferably, the limiting assembly comprises a telescopic rod rotatably connected to two sides of the CNC drilling and milling machine, and one end of the telescopic rod is fixedly connected to a side plate.

[0011] Preferably, one side of the side plate is fixedly connected to a limiting column, and one side of the surface of the limiting column is provided with anti-slip texture.

[0012] Beneficial Effects

[0013] The utility model provides a noise reduction structure for a CNC drilling and milling machine. Compared with the prior art, the utility model has the following beneficial effects:

[0014] (1) The noise reduction structure of the CNC drilling and milling machine is characterized in that both sides of the CNC drilling and milling machine are fixedly connected with a noise reduction component for guiding and eliminating noise, the noise reduction component includes a connecting plate fixedly connected to both sides of the CNC drilling and milling machine, one side of the connecting plate is fixedly connected with a pipe rack, the inner wall of the pipe rack is fixedly connected with a silencer pipe, one side of the silencer pipe is connected with an elastic pipe, one side of the elastic pipe is fixedly connected with an exhaust hood, the surface of the exhaust hood is fixedly connected with a handle, the number of handles is set to two, one end of the silencer pipe is connected with the silencer hood, the top of the bottom plate is fixedly connected with a sound insulation groove block, the inner wall of the sound insulation groove block is movably connected with a sealing elastic sleeve, and by utilizing the setting of the noise reduction component, the relevant structure adopts the silencer pipe to absorb noise, and guides the noise to the bottom plate and the sound insulation groove block to form a solid noise absorption environment, and a sealing elastic sleeve is set on the surface of the sound insulation groove block to further ensure that the noise is almost not leaked.

[0015] (2) The noise reduction structure of the CNC drilling and milling machine comprises an opening and closing component including a sealing cover hinged to the front of the CNC drilling and milling machine, a reinforcing rib is arranged on the surface of the sealing cover, an observation slot is opened on the surface of the sealing cover, a tempered glass is arranged in the observation slot, an auxiliary silencer is movably connected to the surface of the observation slot, a push-pull handle is fixedly connected to the surface of the sealing cover, a limiting component comprises a telescopic rod rotatably connected to both sides of the CNC drilling and milling machine, one end of the telescopic rod is fixedly connected to a side plate, one side of the side plate is fixedly connected to a limiting column, and one side of the surface of the limiting column is provided with an anti-slip pattern. By utilizing the setting of the opening and closing component, the auxiliary silencer can be directly embedded into the inner surface of the observation slot through the observation slot arranged outside the tempered glass, thereby further absorbing the noise. By utilizing the setting of the limiting component, the exhaust hood can be stably limited to the surface of the CNC drilling and milling machine through the rotatable and telescopic limiting column, so that it fits tightly with the surface and avoids random falling off and causing a large amount of noise leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0017] Figure 2 It is a front view of the auxiliary sound-absorbing plate structure of the utility model;

[0018] Figure 3 It is a three-dimensional schematic diagram of the exhaust filter plate structure of the utility model;

[0019] Figure 4 It is a cross-sectional view of the sealing elastic sleeve structure of the utility model;

[0020] Figure 5 For this utility model Figure 4 A partial enlarged view of the middle A;

[0021] Figure 6 It is a schematic diagram of the limit assembly structure of the utility model.

[0022] In the figure: 1. Base plate; 2. CNC drilling and milling machine; 3. Exhaust filter plate; 4. Noise reduction component; 41. Connecting plate; 42. Pipe rack; 43. Silence pipe; 44. Elastic pipe; 45. Exhaust hood; 46. Handle; 47. Silence hood; 48. Sound insulation slot block; 49. Sealing elastic sleeve; 5. Opening and closing component; 51. Sealing cover; 52. Observation slot; 53. Auxiliary silencer plate; 54. Push-pull handle; 6. Limiting component; 61. Telescopic rod; 62. Side panel; 63. Limiting column. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-6 , the utility model provides two technical solutions:

[0025] Embodiment 1, a noise reduction structure of a CNC drilling and milling machine, comprising a base plate 1 and a CNC drilling and milling machine 2, the bottom of the CNC drilling and milling machine 2 is fixedly connected to the top of the base plate 1, both sides of the CNC drilling and milling machine 2 are connected with exhaust filter plates 3, both sides of the CNC drilling and milling machine 2 are fixedly connected with noise reduction components 4 for noise guidance and elimination, the noise reduction components 4 include a connecting plate 41 fixedly connected to both sides of the CNC drilling and milling machine 2, one side of the connecting plate 41 is fixedly connected with a pipe rack 42, the inner wall of the pipe rack 42 is fixedly connected with a silencer pipe 43, the inside of the silencer pipe 43 is filled with styrene-butadiene rubber, one side of the silencer pipe 43 is connected with an elastic pipe 44, one side of the elastic pipe 44 is fixedly connected with an exhaust hood 45, and the surface of the exhaust hood 45 is fixedly connected with a handle 4 6. The number of handles 46 is set to two, one end of the silencer pipe 43 is connected to a silencer cover 47, the top of the base plate 1 is fixedly connected to a sound insulation groove block 48, the inner wall of the sound insulation groove block 48 is movably connected to a sealing elastic sleeve 49, the top of the base plate 1 is paved with styrene-butadiene rubber, the front of the CNC drilling and milling machine 2 is hinged with an opening and closing component 5 for sound insulation of the drilling and milling machine, and both sides of the CNC drilling and milling machine 2 are rotatably connected to limit components 6 for fixed connection with the noise reduction component 4. By utilizing the setting of the noise reduction component 4, the relevant structure adopts the silencer pipe 43 to absorb the noise, and guides the noise to the base plate 1 and the sound insulation groove block 48 to form a solid noise absorption environment, and a sealing elastic sleeve 49 is arranged on the surface of the sound insulation groove block 48 to further ensure that the noise has almost no leakage.

[0026] Embodiment 2 is mainly different from Embodiment 1 in that: a noise reduction structure of a CNC drilling and milling machine, the opening and closing component 5 includes a sealing cover 51 hinged to the front of the CNC drilling and milling machine 2, a reinforcing rib is arranged on the surface of the sealing cover 51, an observation slot 52 is opened on the surface of the sealing cover 51, a tempered glass is arranged in the observation slot 52, an auxiliary sound-absorbing plate 53 is movably connected to the surface of the observation slot 52, and the material is polyurethane sound-absorbing tile, a push-pull handle 54 is fixedly connected to the surface of the sealing cover 51, and a limit assembly 6 includes a telescopic rod 61 rotatably connected to both sides of the CNC drilling and milling machine 2, and the telescopic rod 61 is One end is fixedly connected to a side panel 62, one side of the side panel 62 is fixedly connected to a limiting column 63, and one side of the surface of the limiting column 63 is provided with anti-slip texture. By utilizing the setting of the opening and closing component 5, through the observation groove 52 provided on the outside of the tempered glass, the auxiliary silencer plate 53 can be directly embedded into the inner surface of the observation groove 52 to further absorb the noise. By utilizing the setting of the limiting component 6, through the rotatable and retractable limiting column 63, the exhaust hood 45 can be stably limited to the surface of the CNC drilling and milling machine 2, and fit closely therewith to avoid arbitrary falling off and causing a large amount of noise leakage.

[0027] The surface of the auxiliary muffler plate 53 is provided with anti-skid bumps made of engineering plastics.

[0028] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0029] During operation, the sealing cover 51 is closed by pushing and pulling the handle 54, and the staff observes inward through the observation slot 52. When the equipment is operating normally, the auxiliary silencer plate 53 is installed on the surface of the observation slot 52, and the exhaust hood 45 is completely covered on the surface of the exhaust filter plate 3. One side of the exhaust hood 45 is in close contact with one side of the surface of the CNC drilling and milling machine 2. The telescopic rod 61 is rotated, and the limiting column 63 is driven to be installed downward through the side plate 62. The telescopic rod 61 is retracted, and the limiting column 63 directly presses the exhaust hood 45, and the device is limited. When the equipment is running, a large amount of noise is emitted outward through the exhaust filter plate 3, and the noise is directly transmitted to the silencer 47 through the elastic pipe 44 and the silencer pipe 43. The noise conduction process is partially absorbed by the silencer pipe 43. When the noise is transmitted to the space between the sound insulation slot block 48 and the bottom plate 1, the noise is absorbed by the sound insulation slot block 48, the bottom plate 1 and many solid bodies of the earth. During installation, the sealing elastic sleeve 49 is sleeved on the surface of the silencer 47. After use, the device is restored.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A noise reduction structure for a CNC drilling and milling machine, comprising a base plate (1) and a CNC drilling and milling machine (2), wherein the bottom of the CNC drilling and milling machine (2) is fixedly connected to the top of the base plate (1), characterized in that: Both sides of the CNC drilling and milling machine (2) are connected to exhaust filter plates (3), and both sides of the CNC drilling and milling machine (2) are fixedly connected to noise reduction components (4) for guiding and eliminating noise. The noise reduction components (4) include a connecting plate (41) fixedly connected to both sides of the CNC drilling and milling machine (2), one side of the connecting plate (41) is fixedly connected to a pipe rack (42), the inner wall of the pipe rack (42) is fixedly connected to a silencer pipe (43), one side of the silencer pipe (43) is connected to an elastic pipe (44), and one side of the elastic pipe (44) is fixedly connected to an exhaust hood. (45), a handle (46) is fixedly connected to the surface of the exhaust hood (45), and the number of the handles (46) is set to two, one end of the silencer pipe (43) is connected to the silencer hood (47), the top of the base plate (1) is fixedly connected to a soundproofing groove block (48), and the inner wall of the soundproofing groove block (48) is movably connected to a sealing elastic sleeve (49), the front of the CNC drilling and milling machine (2) is hinged with an opening and closing component (5) for sound insulation of the drilling and milling machine, and both sides of the CNC drilling and milling machine (2) are rotatably connected with a limit component (6) for fixed connection with the noise reduction component (4).

2. The noise reduction structure of a CNC drilling and milling machine according to claim 1, characterized in that: The opening and closing assembly (5) comprises a sealing cover (51) hinged to the front of the numerically controlled drilling and milling machine (2), and reinforcing ribs are arranged on the surface of the sealing cover (51).

3. The noise reduction structure of a CNC drilling and milling machine according to claim 2, characterized in that: An observation groove (52) is provided on the surface of the sealing cover (51), and tempered glass is arranged in the observation groove (52).

4. The noise reduction structure of a CNC drilling and milling machine according to claim 3 is characterized in that: An auxiliary sound-absorbing plate (53) is movably connected to the surface of the observation slot (52), and a push-pull handle (54) is fixedly connected to the surface of the sealing cover (51).

5. The noise reduction structure of a CNC drilling and milling machine according to claim 1, characterized in that: The position limiting assembly (6) comprises a telescopic rod (61) rotatably connected to two sides of the numerical control drilling and milling machine (2), and one end of the telescopic rod (61) is fixedly connected to a side plate (62).

6. The noise reduction structure of a CNC drilling and milling machine according to claim 5, characterized in that: One side of the side plate (62) is fixedly connected to a limiting column (63), and one side of the surface of the limiting column (63) is provided with anti-slip textures.

Images