CN223399156U

CN223399156U - Nitrogen making machine with noise reduction function

Info

Publication number: CN223399156U
Application number: CN202423141915.2U
Authority: CN
Inventors: 唐斌; 眭建芹
Original assignee: Jiaye Technology Dongtai Co ltd
Current assignee: Jiaye Technology Dongtai Co ltd
Priority date: 2024-12-19
Filing date: 2024-12-19
Publication date: 2025-09-30
Anticipated expiration: 2034-12-19

Abstract

The utility model relates to the technical field of nitrogen making machines, and discloses a nitrogen making machine with a noise reduction function, which solves the problem that a damping mechanism can only buffer and filter vibration in the vertical direction, so that the noise reduction effect is poor, a noise reduction frame is arranged at the inner side of a secondary damping base, a primary damping base is arranged at the inner side of the noise reduction frame, a multi-directional damping mechanism is arranged at the inner side of the primary damping base, the multi-directional damping mechanism comprises a first bearing disc fixedly connected with a nitrogen making machine body, the surface of bearing plate one all around fixed mounting has a plurality of buffer spring one, and the surface of bearing plate one all around fixed mounting has a plurality of rubber air bags, and buffer spring one is the cross arrangement setting with the rubber air bag, no matter to the vibration of which direction that produces all around in the use, all can be cushioned the shock attenuation by buffer spring one, and if vibration amplitude is too big through can extruding the rubber air bag, further improves the buffering shock attenuation effect, and then effectively reduces the produced noise of nitrogen making machine body.

Description

Nitrogen making machine with noise reduction function

Technical Field

The utility model relates to the technical field of nitrogen making machines, in particular to a nitrogen making machine with a noise reduction function.

Background

Along with the continuous expansion of industrial production scale and the improvement of noise control requirements of production environment, the requirements on noise reduction technology of nitrogen making machines are increasingly urgent. The traditional nitrogen making machine can generate larger noise in the running process, which not only can cause harm to the health of operators, for example, the problems of hearing reduction, tinnitus and the like possibly caused by long-term exposure to high-decibel noise environment, but also can influence the environmental quality of workplaces.

The current chinese patent of publication No. CN215249585U discloses a nitrogen making machine with function of making an uproar falls, and during the use, nitrogen making machine body is at the during operation, produces vibrations, and vibrations transfer to the backup pad, and the backup pad drives the slider and moves down, and the slider moves down, drives ball screw through ball nut pair and rotates, and ball screw rotates and drives the pivot and rotate, and the pivot rotates and drives first shock attenuation torsional spring and second shock attenuation torsional spring deformation, and first shock attenuation torsional spring and second shock attenuation torsional spring filter and absorb vibrations, preliminary lighten vibrations degree, noise reduction. [] The backup pad downwardly moving to transmit the aftershock to the telescopic link, drive the telescopic link at inside downwardly moving of cavity cover, the telescopic link downwardly moving compresses damping spring, damping spring compression damping pad, damping spring and damping pad absorb and filter the aftershock further.

Vibration generated by the nitrogen making machine in the using process can be diffused and transmitted to the periphery, however, the structure can only buffer and filter the vibration in the vertical direction, so that the noise reduction effect is poor, and the practicability of the nitrogen making machine is reduced.

Disclosure of utility model

The utility model aims to provide a nitrogen making machine with a noise reduction function, and the nitrogen making machine works by adopting the device, so that the problem that a damping mechanism can only buffer and filter vibration in the vertical direction, so that the noise reduction effect is poor is solved.

The nitrogen making machine with the noise reduction function comprises a noise reduction component, wherein a nitrogen making machine body is arranged above the noise reduction component, the noise reduction component comprises a secondary shock absorption base, a noise reduction frame is fixedly arranged on the inner side of the secondary shock absorption base, a primary shock absorption base is fixedly arranged on the inner side of the noise reduction frame, and a multi-direction shock absorption mechanism is fixedly arranged on the inner side of the primary shock absorption base;

The multidirectional damping mechanism comprises a first bearing plate fixedly connected with the nitrogen making machine body, a plurality of first buffer springs are fixedly installed on the periphery of the outer surface of the first bearing plate, a plurality of rubber air bags are fixedly installed on the periphery of the outer surface of the first bearing plate, the first buffer springs and the rubber air bags are arranged in a crossed mode, the nitrogen making machine body can be buffered and damped by the first buffer springs no matter which direction of vibration is generated around in the operation process, and if the vibration amplitude is overlarge, the buffer damping effect is further improved by extruding the rubber air bags, the buffer damping to different directions is met, and noise generated by the nitrogen making machine body is effectively reduced.

Preferably, the first-level shock-absorbing base includes a bearing plate II, a plurality of telescopic links I are fixedly arranged on the bottom surface of the inner wall of the bearing plate II, the upper end of the telescopic link I is fixedly connected with the bearing plate I, a buffer spring II is sleeved on the outer side of the telescopic link I, the upper end of the buffer spring II is fixedly connected with the bearing plate I, the lower end of the buffer spring II is fixedly connected with the bearing plate II, one end of the buffer spring I, which is far away from the bearing plate I, is fixedly connected with the bearing plate II, vibration in the vertical direction can be effectively buffered and filtered through the arrangement of the buffer spring II, and the telescopic link I is arranged, so that the buffer spring II can deform in the vertical direction, and the stability in the buffering process is improved.

Preferably, the outside fixed mounting of loading tray two has the hangers, the lower extreme fixed mounting of frame of making an uproar falls has the frame, the equal fixed mounting in four corners upper end of frame has telescopic link two, the upper end and the lower extreme fixed connection of hangers of telescopic link two, the outside cover of telescopic link two is equipped with buffer spring three, buffer spring three's upper end and hangers fixed connection, buffer spring three's lower extreme and frame fixed connection, through buffer spring three's setting, can carry out the second grade buffering to vertical vibration effectively and filter, thereby further reduce the noise that vibration brought, the effect of telescopic link two and telescopic link one is the same.

Preferably, the cavity has been seted up to second grade shock-absorbing chassis's inboard, and the lower extreme fixed mounting of frame of making an uproar falls has soundproof cotton, and soundproof cotton agrees with mutually with the cavity, sets up in the cavity through soundproof cotton, improves sealing performance between on the one hand, on the other hand can block noise inside effectively, further promotes the noise reduction effect.

Preferably, four groups of elastic supporting legs are fixedly arranged at the lower end of the secondary damping base, and three-level buffering filtration can be effectively carried out on vibration in the vertical direction through the arrangement of the elastic supporting legs, so that noise caused by the vibration is further reduced.

Preferably, the lower surface of the elastic supporting leg is provided with an anti-skid groove, and the situation that the whole device is displaced due to vibration generated by the nitrogen making machine body is effectively prevented through the anti-skid groove.

Compared with the prior art, the utility model has the following beneficial effects:

The nitrogen making machine with the noise reduction function provided by the utility model has the advantages that the nitrogen making machine body can be buffered and damped by the buffer spring I no matter which direction vibration is generated around in the operation process, and if the vibration amplitude is overlarge, the buffer damping effect is further improved by extruding the rubber air bag, so that the buffer damping of different directions is satisfied, and the noise generated by the nitrogen making machine body is further effectively reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a noise reduction assembly according to the present utility model;

FIG. 3 is a schematic view of a secondary shock mount structure of the present utility model;

FIG. 4 is a schematic view of a noise reduction frame according to the present utility model;

FIG. 5 is a schematic view of the primary shock mount of the present utility model;

FIG. 6 is a schematic view of a multidirectional damping mechanism according to the present utility model.

The nitrogen making machine comprises a nitrogen making machine body, a noise reducing assembly, a secondary vibration reducing base, 211, a cavity, 212, elastic supporting legs, 213, an anti-slip groove, 22, a noise reducing frame, 221, soundproof cotton, 222, a frame, 223, a telescopic rod II, 224, a buffer spring III, 23, a primary vibration reducing base, 231, a bearing plate II, 232, a hanging lug, 233, a telescopic rod I, 234, a buffer spring II, 24, a multi-direction vibration reducing mechanism, 241, a bearing plate I, 242, a buffer spring I, 243 and a rubber air bag.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings.

1-2 And 6, the nitrogen making machine with the noise reduction function comprises a noise reduction assembly 2, wherein a nitrogen making machine body 1 is arranged above the noise reduction assembly 2, the noise reduction assembly 2 comprises a secondary vibration reduction base 21, a noise reduction frame 22 is fixedly arranged on the inner side of the secondary vibration reduction base 21, a primary vibration reduction base 23 is fixedly arranged on the inner side of the noise reduction frame 22, and a multi-direction vibration reduction mechanism 24 is fixedly arranged on the inner side of the primary vibration reduction base 23;

The multidirectional damping mechanism 24 comprises a first bearing plate 241 fixedly connected with the nitrogen making machine body 1, a plurality of first buffer springs 242 are fixedly arranged on the periphery of the outer surface of the first bearing plate 241, a plurality of rubber air bags 243 are fixedly arranged on the periphery of the outer surface of the first bearing plate 241, the first buffer springs 242 and the rubber air bags 243 are arranged in a staggered mode, the nitrogen making machine body 1 can be subjected to buffer damping by the first buffer springs 242 no matter which direction of vibration is generated around in the operation process, and if the vibration amplitude is overlarge, the buffer damping effect is further improved by extruding the rubber air bags 243, the buffer damping of different directions is met, and noise generated by the nitrogen making machine body 1 is effectively reduced.

Referring to fig. 5, the first-stage vibration damping mount 23 includes a second bearing plate 231, a plurality of first telescopic rods 233 are fixedly mounted on the bottom surface of the inner wall of the second bearing plate 231, the upper ends of the first telescopic rods 233 are fixedly connected with the first bearing plate 241, buffer springs 234 are sleeved on the outer sides of the first telescopic rods 233, the upper ends of the buffer springs 234 are fixedly connected with the first bearing plate 241, the lower ends of the buffer springs 234 are fixedly connected with the second bearing plate 231, one ends of the buffer springs 242, which are far away from the first bearing plate 241, are fixedly connected with the second bearing plate 231, vibration in the vertical direction can be effectively buffered and filtered through the arrangement of the second buffer springs 234, and the first telescopic rods 233 are arranged, so that the buffer springs 234 can deform in the up-down direction only to improve the stability in the buffering process.

Referring to fig. 4-5, the outer side of the second bearing plate 231 is fixedly provided with a hanging lug 232, the lower end of the noise reduction frame 22 is fixedly provided with a frame 222, four corners of the frame 222 are fixedly provided with a second telescopic rod 223, the upper end of the second telescopic rod 223 is fixedly connected with the lower end of the hanging lug 232, the outer side of the second telescopic rod 223 is sleeved with a third buffer spring 224, the upper end of the third buffer spring 224 is fixedly connected with the hanging lug 232, the lower end of the third buffer spring 224 is fixedly connected with the frame 222, and the second buffer filtering can be effectively carried out on vibration in the vertical direction through the arrangement of the third buffer spring 224, so that noise caused by vibration is further reduced, and the second telescopic rod 223 and the first telescopic rod 233 have the same effect.

With reference to fig. 3-4, the cavity 211 is formed in the inner side of the secondary damping base 21, the soundproof cotton 221 is fixedly mounted at the lower end of the noise reduction frame 22, the soundproof cotton 221 is matched with the cavity 211, and the soundproof cotton 221 is arranged in the cavity 211, so that on one hand, the sealing performance between the two is improved, on the other hand, noise can be effectively prevented from being generated inside, and the noise reduction effect is further improved.

With reference to fig. 3, four groups of elastic legs 212 are fixedly mounted at the lower end of the secondary damping base 21, and three-stage buffering filtration can be effectively performed on vibration in the vertical direction through the arrangement of the elastic legs 212, so that noise caused by the vibration is further reduced.

Referring to fig. 3, the anti-slip groove 213 is formed on the lower surface of the elastic leg 212, and the anti-slip groove 213 effectively prevents the entire device from being displaced due to vibration generated by the nitrogen generator body 1.

The nitrogen making machine body 1 is subjected to buffering and damping by the first buffering spring 242 no matter which direction vibration is generated around in the operation process, if the vibration amplitude is overlarge, the rubber air bags 243 are extruded, the buffering and damping effect is further improved, the buffering and damping of different directions are met, the noise generated by the nitrogen making machine body 1 is effectively reduced, the vibration in the vertical direction is subjected to primary buffering and filtering by the second buffering spring 234, then the vibration in the vertical direction is subjected to secondary buffering and filtering by the third buffering spring 224, the noise caused by the vibration is further reduced, the vibration in the vertical direction is subjected to tertiary buffering and filtering by the elastic supporting legs 212, and the sound insulation cotton 221 is arranged in the cavity 211, so that the noise is effectively blocked inside, and the efficient noise reduction is realized.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A nitrogen generator with a noise reduction function, comprising a noise reduction component (2), a nitrogen generator body (1) being placed above the noise reduction component (2), and characterized in that: the noise reduction component (2) comprises a secondary shock-absorbing base (21), a noise reduction frame (22) being fixedly mounted on the inner side of the secondary shock-absorbing base (21), a primary shock-absorbing base (23) being fixedly mounted on the inner side of the noise reduction frame (22), and a multi-directional shock-absorbing mechanism (24) being fixedly mounted on the inner side of the primary shock-absorbing base (23);

The multi-directional shock absorbing mechanism (24) comprises a supporting plate (241) fixedly connected to the nitrogen generator body (1), a plurality of buffer springs (242) fixedly mounted on the outer surface of the supporting plate (241), a plurality of rubber airbags (243) fixedly mounted on the outer surface of the supporting plate (241), and the buffer springs (242) and the rubber airbags (243) are arranged in a cross-arrangement.

2. The nitrogen generator with noise reduction function according to claim 1 is characterized in that: the first-level shock-absorbing base (23) includes a second supporting plate (231), a plurality of telescopic rods (233) are fixedly installed on the bottom surface of the inner wall of the second supporting plate (231), the upper end of the telescopic rod (233) is fixedly connected to the first supporting plate (241), the outer side of the telescopic rod (233) is provided with a second buffer spring (234), the upper end of the second buffer spring (234) is fixedly connected to the first supporting plate (241), the lower end of the second buffer spring (234) is fixedly connected to the second supporting plate (231), and the end of the buffer spring (242) away from the first supporting plate (241) is fixedly connected to the second supporting plate (231).

3. The nitrogen generator with noise reduction function according to claim 2 is characterized in that: a hanging ear (232) is fixedly installed on the outer side of the second carrier plate (231), a frame (222) is fixedly installed on the lower end of the noise reduction frame (22), and a second telescopic rod (223) is fixedly installed on the upper ends of the four corners of the frame (222), the upper end of the second telescopic rod (223) is fixedly connected to the lower end of the hanging ear (232), a buffer spring (224) is sleeved on the outer side of the second telescopic rod (223), the upper end of the buffer spring (224) is fixedly connected to the hanging ear (232), and the lower end of the buffer spring (224) is fixedly connected to the frame (222).

4. The nitrogen generator with noise reduction function according to claim 1 is characterized in that a cavity (211) is opened on the inner side of the secondary shock-absorbing base (21), and a sound insulation cotton (221) is fixedly installed on the lower end of the noise reduction frame (22), and the sound insulation cotton (221) fits in the cavity (211).

5. The nitrogen generator with noise reduction function according to claim 1, characterized in that four groups of elastic legs (212) are fixedly mounted on the lower end of the secondary shock-absorbing base (21).

6. The nitrogen generator with noise reduction function according to claim 5, characterized in that an anti-slip groove (213) is provided on the lower surface of the elastic support leg (212).