CN212744985U

CN212744985U - Noise reduction gear box assembly of machine tool

Info

Publication number: CN212744985U
Application number: CN202021371083.2U
Authority: CN
Inventors: 郑友富
Original assignee: Anhui Juyuan Xinrui Precision Machinery Co ltd
Current assignee: Anhui Juyuan Xinrui Precision Machinery Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-03-19
Anticipated expiration: 2030-07-13

Abstract

The utility model discloses a noise-reducing gear box component of a machine tool, which comprises a gear box shell, a big gear interface, a small gear interface, a transfer adjusting gear set and a locking nut, the ball groove is additionally arranged in the interface groove at the shell of the gear box, and the sliding ball is arranged, when a large gear interface or a small gear interface is arranged, the sliding ball is inserted into the ball bayonet on the gear rotating shaft, so that the gear rotating shaft can not shake left and right during the rotating process, meanwhile, the center section of the gear rotating shaft and the center of the transfer adjusting gear set are respectively provided with a spiral shaft section and a noise reduction spring, so that the gear rotating shaft and the transfer adjusting gear set can rotate at high speed, the vibration amplitude of the spiral shaft section and the noise reduction spring is reduced, thereby realizing the rapid and effective noise reduction, the internal components of the device have less shaking in the operation process and more stable operation, thereby effectively realizing noise reduction.

Description

Noise reduction gear box assembly of machine tool

Technical Field

The utility model relates to a gear box subassembly technical field specifically is a lathe noise reduction gear box subassembly.

Background

Machine tools are machines for manufacturing machines, also called machine tools or machine tools, which are conventionally referred to as machine tools for short. Generally divided into metal cutting machine tools, forging machine tools, woodworking machine tools and the like, and in modern machine manufacturing, a plurality of methods for processing mechanical parts include cutting processing, casting, forging, welding, stamping, extruding and the like, however, parts with high precision requirements and fine surface roughness requirements are generally machined by cutting on a machine tool, transmission parts of the machine tool are usually connected by a gear box, the adjustment of the rotating speed between the transmission parts is completed through the mutual meshing of the large gear set and the small gear set in the gear box, the gear box component in the prior art does not contain noise reduction measures, and the problems of incomplete meshing between gears or swinging of a gear rotating shaft can occur after the gear set in the gear box is used for a long time, the gear box generates a great deal of noise in normal operation, thereby influencing the normal processing of a machine tool user.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lathe noise reduction gear box subassembly, add the ball groove in the interface groove of gear box shell department, and install the slip ball, when installation gear wheel interface or pinion interface, inlay the slip ball card in the epaxial ball card of gear, make the gear shaft at the rotation in-process, the problem of rocking about can not appearing, the central section of gear shaft and the central department of transfer adjusting gear group set up helical shaft section and noise reduction spring respectively simultaneously, make gear shaft and transfer adjusting gear group rotate the in-process at high speed, reduce its vibration range by helical shaft section and noise reduction spring, thereby realize quick effectual noise reduction, can solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a lathe noise reduction gear box subassembly, includes gear box shell, gear wheel interface, pinion interface, transfer adjusting gear group and lock nut, the gear wheel interface is installed on the inside left side of gear box shell, the pinion interface is installed on the inside right side of gear box shell, the transfer adjusting gear group is installed between gear wheel interface and the pinion interface, lock nut is installed in the upper end outside of gear box shell.

The gearbox shell comprises a main shell, an inner connecting plate, a shaft mounting hole, a mounting opening, a door plate shaft, a lower door plate, an upper door plate, a locking screw rod, an interface groove, a ball groove and sliding balls, wherein the mounting opening is formed in the upper side of the main shell, the door plate shaft is arranged at each of two ends of the mounting opening, the lower door plate is arranged on the left side of the door plate shaft, the locking screw rod is arranged on the lower door plate, the upper door plate is arranged on the right side of the door plate shaft, the inner connecting plate is arranged on the inner wall of the main shell on the inner side of the mounting opening, the shaft mounting hole is formed in the inner connecting plate, the interface grooves are formed in the left side and the right side of the main shell respectively, the ball groove is formed in.

Preferably, the gear wheel interface includes inscription disc, internal gear dish, disc interface, gear shaft, propeller shaft section, ball bayonet socket, external disc and external gear dish, the right side of inscription disc is equipped with the internal gear dish, the bottom of inscription disc is equipped with the disc interface, installation gear shaft in the disc interface, the center department of gear shaft is equipped with the propeller shaft section, the left end of gear shaft is equipped with the ball bayonet socket, external disc is connected in the left side of gear shaft, the outside of external disc is equipped with the external gear dish.

Preferably, the transfer adjusting gear set comprises a central disc, a central gear disc, a middle rotating shaft, a limiting clamping plate, a disc base, base bolts, a spring sleeve and a noise reduction spring, the central gear disc is arranged on the outer side of the central disc, the middle rotating shaft is arranged at the center of the inner portion of the central gear disc, the limiting clamping plate is arranged at the tail end of the middle rotating shaft, the disc base is arranged at the bottom end of the inner portion of the central disc, the base bolts are arranged at the two ends of the disc base, the spring sleeve is arranged at the center of the inner portion of the disc base, and the noise reduction spring is arranged in the spring sleeve.

Preferably, the central rotating shaft is nested in the shaft mounting hole of the inner connecting plate.

Preferably, the lower door panel and the upper door panel are assembled in a nested manner, and are mounted on the locking screw through a locking nut to lock the upper door panel and the lower door panel.

Preferably, sliding balls are arranged in the ball bayonet.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses lathe noise reduction gear box subassembly, add the ball groove in the interface inslot of gear box shell department, and install the slip ball, when installation gear wheel interface or pinion interface, inlay the slip ball card in the epaxial ball card mouth of gear, make the gear pivot in the rotation in-process, the problem of rocking about can not appearing, the center section of gear pivot and the center department of transfer adjusting gear group set up screw shaft section and noise reduction spring respectively simultaneously, make gear pivot and transfer adjusting gear group at high-speed rotation in-process, reduce its vibration range by screw shaft section and noise reduction spring, thereby realize quick effectual noise reduction, the utility model discloses it is complete reasonable in structure, its inside part rocks littleer in the function in-process production, and the operation is more stable, thereby makes the noise that it produced littleer.

Drawings

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

FIG. 2 is a schematic cross-sectional structural view of a gearbox housing according to the present invention;

fig. 3 is an enlarged view of the utility model at a;

fig. 4 is a schematic structural view of the bull gear interface of the present invention;

fig. 5 is a schematic view of a partial cross-sectional structure of the transfer adjusting gear set according to the present invention.

In the figure: 1. a gearbox housing; 101. a main housing; 102. an inner connecting plate; 103. a shaft mounting hole; 104. An installation opening; 105. a door panel shaft; 106. a lower door panel; 107. an upper door panel; 108. locking the screw rod; 109. An interface slot; 1010. a ball groove; 1011. a sliding ball; 2. a bull gear interface; 21. an inscribed disk; 22. an inner gear plate; 23. a disc interface; 24. a gear shaft; 25. a helical shaft section; 26. a ball bayonet; 27. a disc is externally connected; 28. an outer gear plate; 3. a pinion gear interface; 4. a transfer adjusting gear set; 41. a central disc; 42. a central gear plate; 43. a middle rotating shaft; 44. a limiting clamping plate; 45. a disc base; 46. a base bolt; 47. a spring sleeve; 48. a noise-reducing spring; 5. and locking the nut.

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.

Referring to fig. 1, a noise reduction gearbox assembly for a machine tool includes a gearbox housing 1, a bull gear interface 2, a pinion gear interface 3, a transfer adjusting gear set 4 and a lock nut 5, wherein the bull gear interface 2 is installed on the left side inside the gearbox housing 1, the pinion gear interface 3 is installed on the right side inside the gearbox housing 1, the transfer adjusting gear set 4 is installed between the bull gear interface 2 and the pinion gear interface 3, and the lock nut 5 is installed on the outer side of the upper end of the gearbox housing 1.

Referring to fig. 2-3, the gearbox housing 1 includes a main housing 101, an inner connecting plate 102, a shaft mounting hole 103, a mounting opening 104, a door plate shaft 105, a lower door plate 106, an upper door plate 107, a locking screw 108, an interface slot 109, a ball slot 1010 and a sliding ball 1011, the upper side of the main housing 101 is provided with the mounting opening 104, two ends of the mounting opening 104 are respectively provided with the door plate shaft 105, the left door plate shaft 105 is internally provided with the lower door plate 106, the lower door plate 106 is provided with the locking screw 108, the lower door plate 106 and the upper door plate 107 are mutually nested and assembled and are mounted on the locking screw 108 through a locking nut 5 to lock the upper door plate 107 and the lower door plate 106, the right door plate shaft 105 is provided with the upper door plate 107, the inner connecting plate 102 is provided on the inner wall of the main housing 101 inside the mounting opening 104, the shaft mounting hole 103 is provided on the inner connecting plate 102, the left and right sides of the main housing, sliding balls 1011 are installed in the ball grooves 1010.

Referring to fig. 4, the bull gear interface 2 includes an inner circular disk 21, an inner circular disk 22, a circular disk interface 23, a gear rotating shaft 24, a spiral shaft section 25, a ball bayonet 26, an outer circular disk 27 and an outer circular disk 28, the inner circular disk 22 is disposed on the right side of the inner circular disk 21, the circular disk interface 23 is disposed on the bottom of the inner circular disk 21, the gear rotating shaft 24 is mounted in the circular disk interface 23, the spiral shaft section 25 is disposed at the center of the gear rotating shaft 24, the ball bayonet 26 is disposed at the left end of the gear rotating shaft 24, a sliding ball 1011 is disposed in the ball bayonet 26, the outer circular disk 27 is connected to the left side of the gear rotating shaft 24, and the outer.

Referring to fig. 5, the transfer adjusting gear set 4 includes a central disc 41, a central gear disc 42, a middle rotating shaft 43, a limiting catch plate 44, a disc base 45, a base bolt 46, a spring sleeve 47 and a noise reduction spring 48, the central gear disc 42 is disposed outside the central disc 41, the middle rotating shaft 43 is mounted at the inner center of the central gear disc 42, the middle rotating shaft 43 is nested in the shaft mounting hole 103 of the inner connection plate 102, the limiting catch plate 44 is disposed at the end of the middle rotating shaft 43, the disc base 45 is disposed at the inner bottom end of the central disc 41, the base bolts 46 are mounted at the two ends of the disc base 45, the spring sleeve 47 is disposed at the inner center of the disc base 45, and the noise reduction spring 48 is mounted in the spring sleeve 47.

The utility model discloses difference with prior art: the gear box component in the prior art does not contain noise reduction measures, and after the gear set in the gear box is used for a long time, the problem of incomplete meshing between gears or shaking of the gear rotating shaft 24 can occur, so that the gear box generates a large amount of noise in normal work, thereby influencing the normal processing of a machine tool user, the noise reduction gear box component of the utility model is characterized in that a ball groove 1010 is additionally arranged in an interface groove 109 at the position of a gear box shell 1, a sliding ball 1011 is arranged, when a large gear interface 2 or a small gear interface 3 is arranged, the sliding ball 1011 is clamped and embedded in a ball bayonet 26 on the gear rotating shaft 24, so that the problem of shaking left and right can not occur in the rotating process of the gear rotating shaft 24, and simultaneously, a spiral shaft section 25 and a noise reduction spring 48 are respectively arranged at the center section of the gear rotating shaft 24 and the center of a transfer adjusting gear set 4, so that the gear rotating shaft 24 and, the vibration amplitude is reduced by the spiral shaft section 25 and the noise reduction spring 48, so that the noise is reduced quickly and effectively.

In summary, the following steps: the utility model relates to a noise-reducing gear box component of a machine tool, a ball groove 1010 is additionally arranged in an interface groove 109 at the position of a gear box shell 1, a sliding ball 1011 is arranged, when the large gear interface 2 or the small gear interface 3 is installed, the sliding ball 1011 is inserted into the ball bayonet 26 on the gear rotating shaft 24, so that the problem of left-right shaking of the gear rotating shaft 24 is avoided in the rotating process, meanwhile, the central section of the gear rotating shaft 24 and the center of the transfer adjusting gear set 4 are respectively provided with a spiral shaft section 25 and a noise reduction spring 48, so that in the process of high-speed rotation of the gear rotating shaft 24 and the transfer adjusting gear set 4, the vibration amplitude is reduced by the spiral shaft section 25 and the noise reduction spring 48, thereby realizing the rapid and effective noise reduction, the utility model has complete and reasonable structure, the internal components of the device have less shaking in the operation process and more stable operation, so that the noise generated by the device is less.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 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 lathe noise reduction gear box subassembly, includes gear box shell (1), gear wheel interface (2), pinion interface (3), transfer adjusting gear group (4) and lock nut (5), its characterized in that: a large gear interface (2) is arranged on the left side inside the gear box shell (1), a small gear interface (3) is arranged on the right side inside the gear box shell (1), a transfer adjusting gear set (4) is arranged between the large gear interface (2) and the small gear interface (3), and a locking nut (5) is arranged on the outer side of the upper end of the gear box shell (1);

the gearbox shell (1) comprises a main shell (101), an inner connecting plate (102), a shaft mounting hole (103), a mounting opening (104), a door plate shaft (105), a lower door plate (106), an upper door plate (107), a locking screw (108), an interface groove (109), a ball groove (1010) and sliding balls (1011), wherein the mounting opening (104) is arranged on the upper side of the main shell (101), the door plate shaft (105) is arranged at two ends of the mounting opening (104), the lower door plate (106) is arranged in the door plate shaft (105) on the left side, the locking screw (108) is arranged on the lower door plate (106), the upper door plate (107) is arranged on the door plate shaft (105) on the right side, the inner connecting plate (102) is arranged on the inner wall of the main shell (101) on the inner side of the mounting opening (104), the shaft mounting hole (103) is arranged on the inner connecting plate (102), the interface grooves (109) are arranged on the left side and the right, the inner side of the interface groove (109) is provided with a ball groove (1010), and a sliding ball (1011) is arranged in the ball groove (1010).

2. A machine tool noise reduction gearbox assembly as set forth in claim 1, wherein: gear wheel interface (2) are including inscription disc (21), internal gear dish (22), disc interface (23), gear shaft (24), propeller shaft section (25), ball bayonet socket (26), external disc (27) and external gear dish (28), the right side of inscription disc (21) is equipped with internal gear dish (22), the bottom of inscription disc (21) is equipped with disc interface (23), install gear shaft (24) in disc interface (23), the center department of gear shaft (24) is equipped with propeller shaft section (25), the left end of gear shaft (24) is equipped with ball bayonet socket (26), external disc (27) is connected in the left side of gear shaft (24), the outside of external disc (27) is equipped with external gear dish (28).

3. A machine tool noise reduction gearbox assembly as set forth in claim 1, wherein: transfer adjusting gear group (4) are including central disc (41), central gear dish (42), well pivot (43), spacing cardboard (44), disc base (45), base bolt (46), spring sleeve (47) and noise reduction spring (48), the outside of central disc (41) is equipped with central gear dish (42), pivot (43) in the installation is located to the inside center of central gear dish (42), the end of well pivot (43) is equipped with spacing cardboard (44), the inside bottom of central disc (41) is equipped with disc base (45), base bolt (46) are installed to the both ends of disc base (45), the inside center department of disc base (45) is equipped with spring sleeve (47), noise reduction spring (48) are installed in spring sleeve (47).

4. A machine tool noise reduction gearbox assembly as set forth in claim 3, wherein: the middle rotating shaft (43) is nested in a shaft mounting hole (103) of the inner connecting plate (102).

5. A machine tool noise reduction gearbox assembly as set forth in claim 1, wherein: the lower door panel (106) and the upper door panel (107) are mutually nested and assembled, and are arranged on the locking screw rod (108) through a locking nut (5) to lock the upper door panel (107) and the lower door panel (106).

6. A machine tool noise reduction gearbox assembly as set forth in claim 2, wherein: sliding balls (1011) are arranged in the ball bayonet (26).