CN215110424U

CN215110424U - Noise-reduction type drive gear box structure of numerical control lathe

Info

Publication number: CN215110424U
Application number: CN202121676237.3U
Authority: CN
Inventors: 付豫; 凌凯; 贾继策; 王志卓; 盛可俊
Original assignee: NANTONG INSTITUTE OF TECHNOLOGY
Current assignee: NANTONG INSTITUTE OF TECHNOLOGY
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2021-12-10
Anticipated expiration: 2031-07-22

Abstract

The utility model relates to the technical field of gear boxes, and discloses a noise reduction type numerical control lathe driving gear box structure, which comprises a shell, wherein the inner part of the shell is movably connected with a noise sensing mechanism, the noise sensing mechanism comprises a speed reducing component for power transmission and a sensing component for generating noise sensing in the transmission process, the speed reducing component is movably connected in the shell, and the sensing component is movably connected in the speed reducing component; the vibrating noise generated by the contact of the first gear and the second gear drives the vibrating rod to vibrate, the vibrating rod vibrates to enable the copper rod to vibrate and generate induced current with different intensities, the noise detection perception is achieved, the sensitivity of noise detection is improved, the induced current is generated by energy of the vibrating noise, harmful noise is reasonably utilized, the quality of machined parts of a gear box of the numerical control lathe is improved, the working emotion and the state of workers are also prevented from being influenced by the noise, and the safety of operation of the numerical control lathe is improved.

Description

Noise-reduction type drive gear box structure of numerical control lathe

Technical Field

The utility model relates to a technical field of gear box specifically is a type of making an uproar numerical control lathe drive gear box structure falls.

Background

The gear box has a wide application range, for example, the gear box is applied to the driving of a numerically controlled lathe, the gear box is an important mechanical component widely applied to the numerically controlled lathe, and the gear box mainly has the function of reducing the rotating speed output by a motor to the rotating speed suitable for the numerically controlled lathe, so that the gear box becomes an important component for the machining application of the numerically controlled lathe, but in the practical application of the existing gear box, noise is generated due to mutual contact between gears, the precision of parts machined by the numerically controlled lathe is influenced due to the existence of the noise, meanwhile, the working mood of an operator is influenced due to the existence of the noise, the operation of the numerically controlled lathe cannot be concentrated on, the quality and the yield of the machined parts are further reduced, and the risk factor of the operator using the numerically controlled lathe is increased.

Therefore, the problems are solved by the noise reduction type numerical control lathe driving gear box structure, vibration noise generated by the contact of the first gear and the second gear drives the vibrating rod to vibrate, the vibrating rod vibrates to enable the copper rod to vibrate and generate induced current with different intensities, the detection perception of noise is further achieved, the sensitivity of noise detection is improved, and meanwhile, the induced current generated by the vibration noise is utilized to enable harmful noise to be reasonably utilized.

SUMMERY OF THE UTILITY MODEL

The utility model is not enough to prior art, the utility model provides a type of making an uproar numerical control lathe drive gear box structure falls, possess automatic perception noise, resonance noise elimination, the absorbed noise, improve the precision of lathe, factor of safety's advantage, but current gear box can produce the noise because mutual contact between the gear in the application of reality has been solved, the existence of noise makes the precision of numerical control lathe processing part receive the influence, the existence of noise can make operating personnel work mood receive the influence and can not be absorbed in with numerical control lathe's operation simultaneously, and then not only can reduce the quality and the output of parts machining, also can increase the problem that operating personnel used numerical control lathe's danger coefficient simultaneously.

For the purpose of realizing above-mentioned automatic perception noise, resonance noise elimination, noise absorption, the precision that improves the lathe, factor of safety, the utility model provides a following technical scheme: the utility model provides a type of making an uproar numerical control lathe drive gear box structure falls, includes the shell, the inside swing joint of shell has the noise to feel the mechanism, and the noise is felt and is felt the mechanism including the speed reduction subassembly that is used for power transmission, the sensing element who produces the noise perception to transmission process, speed reduction subassembly swing joint in the inside of shell, sensing element swing joint in the inside of speed reduction subassembly.

Preferably, the speed reduction assembly comprises a first input shaft, the first input shaft is movably connected to the inner side of the shell, a first gear is fixedly connected to the outer portion of the first input shaft, a second output shaft is movably connected to the inner side of the shell, and a second gear is fixedly connected to the outer portion of the second output shaft.

Preferably, the sensing assembly comprises a groove, the groove is formed in the surface of the input shaft I, the inner side of the groove is fixedly connected with a vibrating rod, the outer portion of the vibrating rod is fixedly connected with an elastic sheet, the outer portion of the elastic sheet is fixedly connected with a copper rod, and the inner side of the groove is fixedly connected with a magnetic ring.

Preferably, the inside swing joint of shell has the resonance mechanism that is used for eliminating the noise, and resonance mechanism includes the cage, and cage fixed connection is in the outside of shell, the inside fixedly connected with coil of cage, the inside swing joint of cage have the swing dish, the outside fixedly connected with iron sheet of swing dish, the outside fixedly connected with spring of swing dish, the outside fixedly connected with connecting plate of swing dish, the outside fixedly connected with elastic rod of connecting plate, the outside fixedly connected with striking ball of elastic rod.

Preferably, the sound-absorbing plate is fixedly connected inside the shell, and the surface of the sound-absorbing plate is provided with an absorbing groove.

Preferably, the first gear is meshed with the second gear, the sensing assemblies are movably connected inside the first input shaft and the second output shaft, the first input shaft and the second input shaft correspond to the resonance mechanism in position and are matched in specification, the copper rod corresponds to the magnetic ring in position and are matched in specification, the contact position of the elastic sheet and the copper rod is in an insulation design, the vibration rod corresponds to the first input shaft in position and is matched in specification, and the vibration rod corresponds to the second output shaft in position and is matched in specification.

Preferably, the coil is corresponding to the position of the iron bar and is matched with the specification of the iron bar, two ends of the spring are respectively and fixedly connected to the outside of the swinging disc and the inside of the isolation cover, the connecting plate is corresponding to the position of the swinging disc and is matched with the specification of the swinging disc, the impact ball is corresponding to the position of the input shaft I and is matched with the specification of the input shaft I, the impact ball is corresponding to the position of the output shaft II and is matched with the specification of the output shaft I, and the copper rod is electrically connected with the coil.

Advantageous effects

1. This type of making an uproar numerical control lathe drive gear box structure falls drives the vibrating arm vibration through the vibration noise that gear one and gear two contacts produced, and the vibrating arm vibration makes the copper pole vibration and produces the induced-current of different intensity, and then realizes the detection perception of noise, improves noise detection's sensitivity, utilizes the energy of vibration noise to produce the induced-current simultaneously for harmful noise is by rational utilization.

2. This type of making an uproar numerical control lathe drive gear box structure falls lets in induced-current through the coil and makes impact ball and input shaft one and output shaft two contact and produce the same frequency noise, and then realizes the resonance noise elimination, improves the stability of numerical control lathe gear box operation, and abatvoix and absorption groove can absorb the shell internal noise simultaneously, improve the quality of the processing part of numerical control lathe gear box, have also avoided noise influence staff's work mood and state, improve the security of numerical control lathe operation.

Drawings

FIG. 1 is a schematic view of the internal partial sectional structure of the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the connection structure of the resonance mechanism of the present invention;

fig. 4 is a schematic structural diagram of the point B in fig. 3 according to the present invention.

In the figure: 1. a housing; 2. a noise-sensing mechanism; 21. a speed reduction assembly; 211. a first input shaft; 212. a first gear; 213. a second output shaft; 214. a second gear; 22. a sensing component; 221. a groove; 222. a vibrating rod; 223. a spring plate; 224. a copper rod; 225. a magnetic ring; 3. a resonance mechanism; 301. an isolation cover; 302. a coil; 303. a wobble plate; 304. iron bars; 305. a spring; 306. a connecting plate; 307. an elastic rod; 308. striking a ball; 4. a sound-absorbing panel; 5. and an absorption tank.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-2, a noise reduction type numerically controlled lathe driving gear box structure includes a housing 1, a noise sensing mechanism 2 is movably connected inside the housing 1, the noise sensing mechanism 2 includes a speed reducing component 21 for power transmission and a sensing component 22 for generating noise sensing in the transmission process, the speed reducing component 21 is movably connected inside the housing 1, and the sensing component 22 is movably connected inside the speed reducing component 21.

The speed reducing assembly 21 comprises a first input shaft 211, the first input shaft 211 is movably connected to the inner side of the shell 1, a first gear 212 is fixedly connected to the outer portion of the first input shaft 211, a second output shaft 213 is movably connected to the inner side of the shell 1, and a second gear 214 is fixedly connected to the outer portion of the second output shaft 213.

The sensing assembly 22 comprises a groove 221, the groove 221 is formed in the surface of the first input shaft 211, a vibrating rod 222 is fixedly connected to the inner side of the groove 221, an elastic sheet 223 is fixedly connected to the outer portion of the vibrating rod 222, a copper rod 224 is fixedly connected to the outer portion of the elastic sheet 223, and a magnetic ring 225 is fixedly connected to the inner side of the groove 221.

The first gear 212 is meshed with the second gear 214, the sensing assembly 22 is movably connected inside the first input shaft 211 and the second output shaft 213, the first input shaft 211 and the second input shaft 211 correspond to the resonance mechanism 3 in position and are matched in specification, the copper rod 224 corresponds to the magnetic ring 225 in position and is matched in specification, the contact position of the elastic sheet 223 and the copper rod 224 is designed in an insulation mode, the vibration rod 222 corresponds to the first input shaft 211 in position and is matched in specification, and the vibration rod 222 corresponds to the second output shaft 213 in position and is matched in specification.

Example two:

referring to fig. 3-4, a noise reduction type driving gearbox structure of a numerically controlled lathe includes a housing 1, a noise sensing mechanism 2 is movably connected inside the housing 1, the noise sensing mechanism 2 includes a speed reducing component 21 for power transmission and a sensing component 22 for generating noise sensing in the transmission process, the speed reducing component 21 is movably connected inside the housing 1, and the sensing component 22 is movably connected inside the speed reducing component 21.

The inside swing joint of shell 1 has resonance mechanism 3 that is used for eliminating the noise, resonance mechanism 3 includes cage 301, cage 301 fixed connection is in the outside of shell 1, the inside fixedly connected with coil 302 of cage 301, the inside swing joint of cage 301 has swinging tray 303, the outside fixedly connected with iron strap 304 of swinging tray 303, the outside fixedly connected with spring 305 of swinging tray 303, the outside fixedly connected with connecting plate 306 of swinging tray 303, the outside fixed connection of connecting plate 306 has elastic rod 307, the outside fixedly connected with striking ball 308 of elastic rod 307.

The coil 302 corresponds to the iron bar 304 in position and is matched with the specification, two ends of the spring 305 are fixedly connected to the outside of the swinging disc 303 and the inside of the isolation cover 301 respectively, the connecting plate 306 corresponds to the swinging disc 303 in position and is matched with the specification, the impact ball 308 corresponds to the input shaft I211 in position and is matched with the specification, the impact ball 308 corresponds to the output shaft II 213 in position and is matched with the specification, and the copper rod 224 is electrically connected with the coil 302.

Example three:

referring to fig. 1-4, a noise reduction type numerically controlled lathe driving gearbox structure includes a housing 1, a noise sensing mechanism 2 is movably connected inside the housing 1, the noise sensing mechanism 2 includes a speed reducing component 21 for power transmission and a sensing component 22 for generating noise sensing in the transmission process, the speed reducing component 21 is movably connected inside the housing 1, and the sensing component 22 is movably connected inside the speed reducing component 21.

The sound-absorbing plate 4 is fixedly connected inside the shell 1, and the surface of the sound-absorbing plate 4 is provided with an absorbing groove 5.

When the device is started, the first input shaft 211 rotates to drive the vibrating rod 222 to rotate, the vibrating rod 222 rotates to drive the elastic sheet 223 to rotate, the elastic sheet 223 rotates to drive the copper rod 224 to rotate, the first input shaft 211 rotates to drive the magnetic ring 225 to rotate, the first input shaft 211 rotates to drive the first gear 212 to rotate, the first gear 212 rotates to drive the second gear 214 to rotate, the second gear 214 rotates to drive the second output shaft 213 to rotate, similarly, the second output shaft 213 rotates to drive the vibrating rod 222 to rotate, the vibrating rod 222 rotates to drive the elastic sheet 223 to rotate, the elastic sheet 223 rotates to drive the copper rod 224 to rotate, the second output shaft 213 rotates to drive the magnetic ring 225 to rotate, when the first gear 212 and the second gear 214 are in transmission contact and collision, vibration noise is transmitted to the vibrating rod 222 inside the groove 221, the vibrating rod 222 generates deformation swing, the vibrating rod 222 swings to drive the elastic sheet 223 to move telescopically, the elastic sheet 223 moves to drive the copper rod 224 to cut magnetic induction lines in the magnetic field of the magnetic ring 225, thus, the inside of the copper rod 224 generates a constantly changing induced current and transmits the induced current to the inside of the coil 302, the coil 302 is electrified to generate an electromagnetic field, so that the iron bar 304 is attracted by magnetic force to move, the iron bar 304 moves to drive the swinging disc 303 to move, the swinging disc 303 moves to deform the spring 305 and generate rotation resistance to the swinging disc 303, the changing induced current causes the magnetic force to change, the swinging disc 303 constantly reciprocates and rotates under the interaction of the restoring force of the spring 305 and the magnetic force applied to the iron bar 304, the swinging disc 303 reciprocates and rotates to drive the connecting plate 306 to reciprocate, the connecting plate 306 reciprocates and rotates to drive the elastic rod 307 to reciprocate, the elastic rod 307 reciprocates and rotates to drive the impact ball 308 to reciprocate and generate noise with the same frequency when contacting and impacting with the first input shaft 211 and the second output shaft 213, at the same time, the sound-absorbing plate 4 transmits the noise generated by the first gear 212 and the second gear 214 to the inside of the housing 1 to be blocked and absorbed by the absorption groove 5.

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

Claims

1. The utility model provides a type of making an uproar numerical control lathe drive gear box structure falls, includes shell (1), its characterized in that: the internal connection of shell (1) has noise to feel mechanism (2), and noise feels and feels mechanism (2) including speed reduction subassembly (21) that are used for power transmission, to transmission process production noise perception's sensing subassembly (22), and the inside at shell (1) is connected in speed reduction subassembly (21), and sensing subassembly (22) are connected in the inside of speed reduction subassembly (21).

2. The noise-reducing numerically controlled lathe drive gearbox structure as set forth in claim 1, wherein: the speed reduction assembly (21) comprises a first input shaft (211), the first input shaft (211) is movably connected to the inner side of the shell (1), a first gear (212) is fixedly connected to the outer portion of the first input shaft (211), a second output shaft (213) is movably connected to the inner side of the shell (1), and a second gear (214) is fixedly connected to the outer portion of the second output shaft (213).

3. The noise-reducing numerically controlled lathe drive gearbox structure as set forth in claim 2, wherein: the sensing assembly (22) comprises a groove (221), the groove (221) is formed in the surface of the input shaft I (211), a vibrating rod (222) is fixedly connected to the inner side of the groove (221), an elastic sheet (223) is fixedly connected to the outer portion of the vibrating rod (222), a copper rod (224) is fixedly connected to the outer portion of the elastic sheet (223), and a magnetic ring (225) is fixedly connected to the inner side of the groove (221).

4. The noise-reducing numerically controlled lathe drive gearbox structure as set forth in claim 1, wherein: the inside swing joint of shell (1) has resonance mechanism (3), resonance mechanism (3) are including cage (301), cage (301) fixed connection is in the outside of shell (1), inside fixedly connected with coil (302) of cage (301), the inside swing joint of cage (301) has swinging plate (303), the outside fixedly connected with iron strap (304) of swinging plate (303), outside fixedly connected with spring (305) of swinging plate (303), the outside fixedly connected with connecting plate (306) of swinging plate (303), the outside fixedly connected with elastic rod (307) of connecting plate (306), the outside fixedly connected with striking ball (308) of elastic rod (307).

5. The noise-reducing numerically controlled lathe drive gearbox structure as set forth in claim 1, wherein: the sound absorption plate (4) is fixedly connected to the inside of the shell (1), and the surface of the sound absorption plate (4) is provided with an absorption groove (5).

6. A noise-reducing numerically controlled lathe drive gearbox according to claim 3, wherein: the gear I (212) is meshed with the gear II (214), the sensing assembly (22) is movably connected inside the input shaft I (211) and the output shaft II (213), the input shaft I (211) and the input shaft II correspond to the resonance mechanism (3) in position and are matched in specification, the copper rod (224) corresponds to the magnetic ring (225) in position and are matched in specification, the contact position of the elastic sheet (223) and the copper rod (224) adopts an insulation design, the vibration rod (222) corresponds to the input shaft I (211) in position and is matched in specification, and the vibration rod (222) corresponds to the output shaft II (213) in position and is matched in specification.

7. The noise-reducing numerically controlled lathe drive gearbox structure as set forth in claim 4, wherein: the coil (302) corresponds to the iron bar (304) in position and is matched in specification, two ends of the spring (305) are fixedly connected to the outside of the swinging disc (303) and the inside of the isolation cover (301) respectively, the connecting plate (306) corresponds to the swinging disc (303) in position and is matched in specification, the impact ball (308) corresponds to the input shaft I (211) in position and is matched in specification, the impact ball (308) corresponds to the output shaft II (213) in position and is matched in specification, and the copper rod (224) is electrically connected with the coil (302).