CN217551174U

CN217551174U - Stable metal cutting machine tool spindle

Info

Publication number: CN217551174U
Application number: CN202221804692.1U
Authority: CN
Inventors: 陈俊先; 李林; 秦鸿
Original assignee: Foshan Xintongfu Machinery Co ltd
Current assignee: Foshan Xintongfu Machinery Co ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2022-10-11
Anticipated expiration: 2032-07-14

Abstract

The utility model discloses a metal cutting machine tool spindle with stability, which relates to the technical field of cutting machine tool spindles and comprises a spindle body, wherein a driving adjusting device is arranged at the back of the spindle body; the front of main shaft body is provided with location guider, the spout has been seted up to the inside of regulating block, the lead screw is installed to the left surface screw thread of regulating block, driving motor's back fixed mounting has the transmission case, the pivot is installed to the right flank screw thread of recess, the distance receiver is installed to the right flank screw thread of pivot, the dust ring is installed with the rear end buckle at bar piece top to the front end at threaded connection pole top, the dust ring is by adjusting bolt, limit gear, the dust ring, the nibbling mouth is constituteed, the inside swing joint of extrusion pole has reset spring. The utility model discloses be convenient for improve the stability in use to the metal cutting machine main shaft, avoid main shaft gyration precision to descend or take place the drunkenness, effectively improve the gyration precision of metal cutting machine main shaft, improve stability.

Description

Stable metal cutting machine tool spindle

Technical Field

The utility model belongs to the technical field of the lathe main shaft, more specifically, relate to a metal cutting machine main shaft with firm type.

Background

For metal cutting machine tools, there are high equipment requirements for their spindles and bearings. Currently, the main shaft bearings of machining centers on the market generally work solely on the basis of rigid or elastic pre-compression: if the main shaft bearing adopts a rigid prepressing technology, when the main shaft works, the temperature of the main shaft rises, thermal elongation is generated, and the thermal elongation is generally larger than that of other parts, so that the original prepressing force on the bearing is reduced or even zero, the rotation precision of the main shaft is reduced, and the main shaft generates play when working.

A stable spindle for a metal cutting machine is proposed in the patent publication No. CN214557460U, in which a spindle head, a buffer spring, a first dust ring, a first bearing, a spring, a pressing rod, a latch, and an annular slide groove are included, but there are two problems in the patent:

1. when the main shaft rotates, strong vibration, impact and certain noise can be generated, so that the stability of the machine tool main shaft is poor, and the machine tool main shaft is loosened after long-time work, so that the work of the machine tool main shaft is influenced.

2. The main shaft bearing adopts the elastic prepressing technology, when the main shaft is in low-speed large-allowance cutting, the cutting force is large, compared with rigid prepressing, the elastic prepressing rigidity is weak, and the main shaft rotation precision can be reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a metal cutting machine main shaft with firm type.

According to an embodiment of the first aspect of the present invention, a spindle of a metal cutting machine with stability is provided, which includes a spindle body, and a driving adjustment device is disposed at the back of the spindle body; the front surface of the main shaft body is provided with a positioning guide device; the drive adjusting device is including setting up the regulating block at the main shaft body hou mian, the spout has been seted up to the inside of regulating block, and the right flank fixed mounting of regulating block has the mounting panel, the right flank threaded connection of mounting panel has the regulation structure, and the lead screw is installed to the left flank screw thread of regulating block, the left flank fixed mounting of lead screw has driving motor, and the upper end of regulating block right flank is seted up flutedly, the pivot is installed to the right flank screw thread of recess, the distance receiver is installed to the right flank screw thread of pivot, the positioning guide device is including setting up at the positive transmission shaft of main shaft body.

According to the utility model discloses the embodiment of the first aspect the firm type metal cutting machine tool main shaft that has, the top fixedly connected with bar shape piece of transmission shaft, the positive slidable mounting of transmission shaft has threaded connection pole, the dust collar is installed with the rear end buckle at bar shape piece top to the front end at threaded connection pole top, the dust collar comprises adjusting bolt, stop gear, dust ring, the nibbling mouth, and the sealing washer has been cup jointed to the front end at threaded connection pole top, and the extrusion stem is installed to threaded connection pole's positive screw thread, the inside swing joint of extrusion stem has reset spring.

According to the utility model discloses first aspect embodiment firm type metal cutting machine tool main shaft has, driving motor's back fixed mounting has the transmission case, the top fixed mounting of transmission case has buncher.

According to the utility model discloses first aspect embodiment firm type metal cutting machine tool main shaft has, the sliding plate is installed through positive pressure ram screw thread to the main shaft body, the positive fixed mounting of sliding plate has a plurality of powder gyro wheels of spreading, and the bottom slidable mounting of sliding plate has three pressure doctor blade.

According to the utility model discloses first aspect embodiment firm type metal cutting machine main shaft has, the transmission shaft passes through bar-shaped piece and dirt ring sliding connection, reset spring and stripper bar swing joint are passed through in threaded connection rod's front, the inside at the stripper bar is installed to the reset spring screw thread.

According to the utility model discloses first aspect embodiment firm type metal cutting machine tool main shaft has, the main shaft body through inside slip and transmission shaft swing joint at the regulating block, the transmission shaft pass through strip-shaped piece and dust ring sliding connection and with threaded connection pole swing joint, the top screw thread installation adjusting bolt of dust ring, adjusting bolt's bottom and the inside stop gear swing joint of dust ring.

According to the metal cutting machine tool spindle with the stability provided by the embodiment of the first aspect of the invention, the dustproof ring is connected with the transmission shaft buckle through the internal limiting gear, the right end of the top of the dustproof ring is provided with the meshing port, and the meshing port passes through the adjusting bolt; and the inner wall of the dustproof ring is fixedly provided with a dustproof ring.

According to the utility model discloses first aspect embodiment firm type metal cutting machine tool main shaft has, the main shaft body slides in the regulating block inner groovy, pivot and distance receiver swing joint of regulating block right flank upper end are passed through in the pivot, the distance receiver passes through the lead screw of regulating block left surface and the buncher swing joint at transmission case top.

The utility model discloses a technical scheme has following advantage or one of beneficial effect at least among the above-mentioned technical scheme:

this has firm type metal cutting lathe main shaft, pivot through the setting, distance receiver, buncher, aim at passes through the distance receiver and the buncher swing joint of regulating block right flank, the effect of responding to is carried out to the distance of sliding plate, can keep compressing tightly the main shaft body simultaneously, can avoid main shaft body pressure to disappear, thereby can avoid main shaft gyration precision to descend or take place the drunkenness, effectively improve the gyration precision of main shaft body, avoid the main shaft to take place the drunkenness at the during operation, the accurate work of cutting of being convenient for, stability is improved.

This has firm type metal cutting lathe main shaft, transmission shaft through setting up, the dust ring, reset spring, the stripper bar, aim at drives the inside main shaft motion of regulating block through transmission case and speed governing machine, through positive transmission shaft and the bar piece sliding connection of main shaft, make inside reset spring and the sliding plate swing joint of stripper bar, adjusting bolt through the dust ring top adjusts the effect that the meshing mouth that makes dust ring top right-hand member carries out the location fixed to transmission shaft and threaded connection pole to stop gear, stability is improved.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

fig. 1 is a schematic view of the overall structure of a spindle of a metal cutting machine with a stable structure according to an embodiment of the present invention;

fig. 2 is a schematic view of a structure a of a spindle of a metal cutting machine with a stable structure according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a spindle body with a spindle of a robust metal cutting machine according to an embodiment of the present invention;

fig. 4 is the embodiment of the present invention provides a schematic view of a dustproof ring structure with a stable spindle of a metal cutting machine.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the directional descriptions, such as the directions or positional relationships indicated by upper, lower, front, rear, left, right, etc., are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but not for indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.

In the description of the present invention, a plurality of meanings are one or more, a plurality of meanings are two or more, and the terms greater than, smaller than, exceeding, etc. are understood as excluding the number, and the terms greater than, lower than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first" and "second" may explicitly or implicitly include one or more features.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, and may be, for example, a fixed connection or a movable connection, a detachable connection or a non-detachable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other elements or indirectly connected through one or more other elements or in an interactive relationship between two elements.

The following disclosure provides many different embodiments or examples for implementing different aspects of the invention.

Referring to fig. 1 to 4, a spindle of a metal cutting machine with stability is provided, which comprises a spindle body 1, wherein a driving adjusting device is arranged at the rear of the spindle body 1; the front of the main shaft body 1 is provided with a positioning guide device.

Drive adjusting device is including setting up at the rear regulating block 2 of main shaft body 1, spout 12 has been seted up to the inside of regulating block 2, the right flank fixed mounting of regulating block 2 has mounting panel 3, the right flank threaded connection of mounting panel 3 has regulation structure 4, lead screw 5 is installed to the left flank thread of regulating block 2, the left flank fixed mounting of lead screw 5 has driving motor 6, driving motor 6's rear fixed mounting has transmission case 7, the top fixed mounting of transmission case 7 has buncher 8, recess 13 has been seted up to the upper end of the 2 right flanks of regulating block, pivot 14 is installed to recess 13's right flank thread, distance receiver 15 is installed to pivot 14's right flank thread.

The utility model discloses in some of them embodiments, the positioning and guiding device is including setting up at the positive transmission shaft 16 of main shaft body 1, the top fixedly connected with strip-shaped block 17 of transmission shaft 16, the positive slidable mounting of transmission shaft 16 has threaded connection pole 19, the dust ring 18 is installed with the rear end buckle at strip-shaped block 17 top to the front end at threaded connection pole 19 top, dust ring 18 is by adjusting bolt 23, stop gear 24, dust ring 25, it constitutes to nibble mouthful 26, the sealing washer 20 has been cup jointed to the front end at threaded connection pole 19 top, the extrusion stem 21 is installed to the positive screw thread at threaded connection pole 19, the inside swing joint of extrusion stem 21 has reset spring 22.

As shown in fig. 1, in some embodiments of the present invention, the main shaft body 1 is threadedly mounted with a sliding plate 9 through a front extrusion rod 21, the front of the sliding plate 9 is fixedly mounted with a plurality of powder spreading rollers 10, and the bottom of the sliding plate 9 is slidably mounted with three pressure scraping blades 11.

As shown in fig. 3, in some embodiments of the present invention, the transmission shaft 16 is slidably connected to the dust ring 18 through the bar-shaped blocks 17, the front surface of the threaded connection rod 19 is movably connected to the extrusion rod 21 through the return spring 22, and the return spring 22 is threadedly installed inside the extrusion rod 21.

As shown in fig. 3 and fig. 4, in some embodiments of the present invention, the main shaft body 1 is movably connected to the transmission shaft 16 through sliding inside the adjusting block 2, the transmission shaft 16 is movably connected to the dust ring 18 through the bar-shaped block 17, and is movably connected to the threaded connection rod 19, the top thread of the dust ring 18 is installed with the adjusting bolt 23, the bottom of the adjusting bolt 23 is movably connected to the limit gear 24 inside the dust ring 18, the reset spring 22 inside the squeeze bar 21 is movably connected to the sliding plate 9, the adjusting bolt 23 at the top of the dust ring 18 adjusts the limit gear 24 to enable the engagement opening 26 at the right end of the top of the dust ring 18 to fix the position of the transmission shaft 16 and the threaded connection rod 19, and the stability is improved.

As shown in fig. 4, in some embodiments of the present invention, the dust-proof ring 18 is connected with the transmission shaft 16 by a limit gear 24 inside, the right end of the top of the dust-proof ring 18 is provided with an engaging opening 26, and the engaging opening 26 passes through an adjusting bolt; 23 is movably connected with a limit gear 24, and the inner wall of the dustproof ring 18 is fixedly provided with a dustproof ring 25.

As shown in the accompanying drawing 2, the utility model discloses in some of them embodiments, axle body 1 slides inside regulating block 2 inner groovy 13, pivot 14 passes through pivot 14 and the distance receiver 15 swing joint of regulating block 2 right flank upper end, distance receiver 15 passes through the lead screw 5 of the 2 left surfaces of regulating block and the 8 swing joint of buncher 7 tops, distance receiver 15 and the 8 swing joint of buncher through the 2 right surfaces of regulating block, the effect of responding to the distance of sliding plate 9, can keep compressing tightly main shaft body 1 simultaneously, can avoid main shaft body 1 pressure to disappear, improve the stability of literary composition.

It should be noted that, the utility model relates to a metal cutting machine tool main shaft with firm type, during the use, main shaft body 1 is through sliding in regulating block 2 recess 13, make regulating block 2 positive sliding plate 9 slide, main shaft body 1 is when regulating block 2 inside slides, pivot 14 through regulating block 2 right flank upper end rotates and makes lead screw 5 and driving motor 6 swing joint of distance receiver 15 through regulating block 2 left surface, transmission case 7 transmits the signal to main shaft body 1 through buncher 8, transmission shaft 16 passes through bar-shaped piece 17 and dust ring 18 swing joint when main shaft body 1 rotates, and with threaded connection rod 19 swing joint, dust ring 18 passes through adjusting bolt 23 and the 24 swing joint of inside limit gear at top, adjust the size of dust ring 18, the effect of locking location is carried out to threaded connection rod 19, improve and be using main shaft body 1's stability, be convenient for fixing, main shaft body 1 drives sliding plate 9 and rotates, make main shaft body 1 can sense the effect that sliding plate 9 and main shaft body's 1 distance carries out the response, can keep compressing tightly main shaft body 1 at the during operation, thereby can avoid the pressure to disappear, thereby avoid the decline of float to take place main shaft body's effective gyration precision, the improvement of main shaft 1, the improvement of the main shaft body's main shaft 1 that the precision of avoiding the main shaft 1 to take place the precision of the main shaft to take place, the precision of the main shaft takes place, the effective gyration of the main shaft 1 of the main shaft takes place, the precision of the main shaft 1 of the improvement of the main shaft takes place to improve the precision of the main shaft takes place, the precision of the main shaft 1 of the main shaft takes place, the main shaft takes place to improve the precision of the main shaft 1 of the main shaft.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a metal cutting machine main shaft with firm type, includes the main shaft body, its characterized in that: a driving adjusting device is arranged behind the main shaft body; the front surface of the main shaft body is provided with a positioning guide device; the drive adjusting device comprises a regulating block arranged at the back of the main shaft body, a sliding groove is formed in the regulating block, a mounting plate is fixedly mounted on the right side face of the regulating block, a regulating structure is connected to the right side face of the mounting plate through threads, a lead screw is mounted on the left side face of the regulating block through threads, a driving motor is fixedly mounted on the left side face of the lead screw, a groove is formed in the upper end of the right side face of the regulating block, a rotating shaft is mounted on the right side face of the groove through threads, a distance receiver is mounted on the right side face of the rotating shaft through threads, and the positioning guide device comprises a transmission shaft arranged on the front of the main shaft body.

2. The spindle with stable metal cutting machine tool of claim 1, wherein: the top fixedly connected with strip-shaped piece of transmission shaft, the positive slidable mounting of transmission shaft has the threaded connection pole, the dust ring is installed with the rear end buckle at strip-shaped piece top to the front end at threaded connection pole top, the dust ring comprises adjusting bolt, stop gear, dust ring, the mouth of meshing, and the sealing washer has been cup jointed to the front end at threaded connection pole top, and the extrusion pole is installed to the positive screw thread of threaded connection pole, the inside swing joint of extrusion pole has reset spring.

3. The spindle with stable metal cutting machine tool of claim 2, wherein: a transmission case is fixedly mounted behind the driving motor, and a speed regulating motor is fixedly mounted at the top of the transmission case.

4. The spindle with stable metal cutting machine tool of claim 2, wherein: the main shaft body is provided with a sliding plate through a screw thread of an extrusion rod on the front side, the front side of the sliding plate is fixedly provided with a plurality of powder laying rollers, and the bottom of the sliding plate is provided with three pressure scraping knives in a sliding manner.

5. The spindle with stable metal cutting machine tool of claim 4, wherein: the transmission shaft is connected with the dustproof ring in a sliding mode through a strip-shaped block, the front face of the threaded connecting rod is movably connected with the extrusion rod through a return spring, and the return spring is installed inside the extrusion rod in a threaded mode.

6. The spindle with stable metal cutting machine tool of claim 5, wherein: the main shaft body is movably connected with the transmission shaft through sliding inside the adjusting block, the transmission shaft is movably connected with the dustproof ring through a strip-shaped block and movably connected with the threaded connecting rod, the top of the dustproof ring is provided with an adjusting bolt in a threaded mode, and the bottom of the adjusting bolt is movably connected with the limiting gear inside the dustproof ring.

7. The spindle with stable metal cutting machine tool of claim 6, wherein: the dustproof ring is connected with the transmission shaft in a buckling mode through an internal limiting gear, and an engaging opening is formed in the right end of the top of the dustproof ring and passes through an adjusting bolt; and the inner wall of the dustproof ring is fixedly provided with a dustproof ring.

8. The spindle with stable type metal cutting machine tool of claim 3, wherein: the main shaft body slides in the inner groove of the adjusting block, the rotating shaft is movably connected with the distance receiver through the rotating shaft at the upper end of the right side face of the adjusting block, and the distance receiver is movably connected with the speed regulating motor at the top of the transmission case through the screw rod at the left side face of the adjusting block.