CN213729368U

CN213729368U - Lathe spindle machining damping device

Info

Publication number: CN213729368U
Application number: CN202022816453.5U
Authority: CN
Inventors: 侯惠强; 蔡运富; 朱建林
Original assignee: Anyang Zhonghui Machinery Co ltd
Current assignee: Hangzhou Zhongrui Machinery Co.,Ltd.
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-07-20
Anticipated expiration: 2030-11-30

Abstract

Lathe spindle processing damping device, relate to main shaft processing technology field, including the shock attenuation cover, the shock attenuation cover is inside to be provided with four circular arc boards, be connected through the telescopic link between circular arc board and the shock attenuation cover, the surface cover of telescopic link is equipped with first spring, buffer memory mechanism is including fixing the first fixed block at the shock attenuation cover inner wall, first fixed block one side swing joint has two first branches, fixedly connected with second spring between two first branches, the lateral wall fixedly connected with second fixed block of circular arc board, one side swing joint that the circular arc board lateral wall was kept away from to the second fixed block has two second branches, swing joint between second branch and the first branch, the medial surface of circular arc board is fixed with the axle sleeve that is used for the cover to establish the main shaft, ball inslot portion roll connection has a plurality of balls. The utility model discloses set up telescopic link, first spring and buffer mechanism and cooperate, can absorb the vibrations that produce in the processing main shaft and fall, avoid the main shaft vibrations to appear to improve the quality of main shaft processing.

Description

Lathe spindle machining damping device

Technical Field

The utility model relates to a main shaft processing technology field, concretely relates to lathe spindle processing damping device.

Background

The machine tool spindle refers to a spindle which drives a workpiece or a cutter to rotate on a machine tool, generally comprises a spindle part, a bearing, a transmission part (a gear or a belt pulley) and the like, and is mainly used for supporting transmission parts such as the gear and the belt pulley in the machine tool and transmitting movement and torque, such as the machine tool spindle; the spindle is used for clamping workpieces, such as mandrels, except for machine tools with rectilinear motion of main motion, such as planers, broaches and the like, most of machine tools are provided with spindle parts, the motion precision and the structural rigidity of the spindle parts are important factors for determining the processing quality and the cutting efficiency, and the indexes for measuring the performance of the spindle parts are mainly the rotation precision, the rigidity and the speed adaptability.

When the existing machine tool spindle is machined, the phenomenon of vibration and the like can occur, so that the workpiece is machined unstably, the precision of equipment is influenced, and certain loss is caused.

SUMMERY OF THE UTILITY MODEL

In view of the above, in order to solve the problems existing in the prior art, the present invention provides a damping device for lathe spindle machining.

The technical scheme is as follows: comprises a damping sleeve, at least four arc plates are arranged in the damping sleeve, the arc plates are connected with the damping sleeve through a telescopic rod, a first spring is sleeved on the surface of the telescopic rod, a buffer mechanism is also arranged between the arc plates and the damping sleeve, the buffer mechanism comprises a first fixed block fixed on the inner wall of the damping sleeve, one side of the first fixed block, which is far away from the damping sleeve, is movably connected with two first supporting rods, a second spring is fixedly connected between the two first supporting rods, the outer side wall of the arc plate is fixedly connected with a second fixed block, one side of the second fixed block, which is far away from the outer side wall of the arc plate, is movably connected with two second supporting rods, the second supporting rods are movably connected with the corresponding first supporting rods, a third spring is fixedly connected between the two second supporting rods, and the inner side surface of the arc plate is fixed with a shaft sleeve for sleeving a main shaft, the ball bearing is characterized in that a ball groove is fixedly formed in the inner side of the shaft sleeve, and a plurality of balls are connected inside the ball groove in a rolling mode.

Preferably, a shock absorption pad is arranged between the shaft sleeve and the circular arc plate, and baffles for preventing the shaft sleeve from moving left and right inside the shock absorption sleeve are arranged at two ends of the shaft sleeve.

Preferably, the top fixedly connected with support column of shock attenuation cover, the top fixedly connected with connecting plate of support column, the both sides of connecting plate bottom are provided with the bolt, the top of bolt run through to the top of connecting plate.

Preferably, the number of the buffer mechanisms between the arc plate and the damping sleeve is two, and the two buffer mechanisms are symmetrically arranged by taking the telescopic rod as a symmetry axis.

Preferably, the ball grooves and the balls are provided with a plurality of groups and are uniformly distributed on the inner side of the shaft sleeve.

Preferably, the first fixed block is kept away from the one end of shock attenuation cover inner wall through first hinge with first branch swing joint, the second fixed block is kept away from the one end of circular arc board lateral wall through the second hinge with second branch swing joint, the second branch through the third hinge with correspond swing joint between the first branch.

The utility model provides a lathe spindle processing damping device compares beneficial effect with prior art and is:

1: the utility model discloses in through setting up support column and connecting plate, when the equipment uses, use bolt and service equipment to carry out fixed connection through the connecting plate for during the equipment uses, can effectually reach the purpose of quick installation, convenient and fast more.

2: the utility model discloses after the axle sleeve is inserted to the main shaft, when treating that the processing main shaft vibrations appear, the telescopic link reciprocates, first spring plays the effect of first buffering, first branch and second branch move to both sides, second spring and third spring pulling first branch and second branch move to the inboard, play the second buffering, through twice buffering, can absorb the vibrations that produce in the processing main shaft and fall, avoid the main shaft vibrations to appear to improve the quality of main shaft processing.

3: the utility model discloses in through the ball groove and the ball that set up, when equipment uses, through the fixed ball groove of having seted up in the inside inboard of axle sleeve, and at the inside roll connection of ball inslot portion have a ball, insert the back at the main shaft, through ball contact main shaft outside, through ball friction reduction for when equipment uses, reducing wear, increase of service life.

Drawings

Fig. 1 is an overall structure diagram of the utility model.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a front view of the utility model.

Fig. 4 is a sectional view of the middle bushing of the utility model.

In the figure: 1-damping sleeve, 2-telescopic rod, 3-arc plate, 4-first spring, 5-first fixed block, 6-first support rod, 7-second spring, 8-second fixed block, 9-second support rod, 10-third spring, 11-shaft sleeve, 12-ball groove, 13-ball, 14-support column, 15-connecting plate, 16-bolt, 17-damping pad and 18-baffle.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention, and in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or position relationship based on the drawings, and are only for convenience of description of the present invention and simplifying the description, but not for indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as limiting the present invention.

Furthermore, the terms "outer", "inner" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance in the description of the present invention, it being understood that unless otherwise explicitly stated or limited, the terms "mounted", "connected" and "connected" are to be broadly construed, e.g., fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be described in further detail below with reference to specific embodiments and with reference to the accompanying drawings.

The first embodiment is as follows: as shown in fig. 1-3, lathe spindle processing damping device, including shock attenuation cover 1, 1 inside four at least circular arc boards 3 that are provided with of shock attenuation cover, be connected through telescopic link 2 between circular arc board 3 and the shock attenuation cover 1, telescopic link 2's both ends adopt welded fastening to be connected with circular arc board 3, shock attenuation cover 1 respectively, telescopic link 2's surface cover is equipped with first spring 4, first spring 4's both ends adopt welded fastening to be connected with circular arc board 3, shock attenuation cover 1 respectively.

The arc plate 3 with still be equipped with buffer memory mechanism between the shock attenuation cover 1, the buffer memory mechanism between arc plate 3 and the shock attenuation cover 1 is two, and two buffer memory mechanisms use telescopic link 2 to set up as symmetry axis symmetry.

The buffer mechanism comprises a first fixed block 5 fixed on the inner wall of the damping sleeve 1, the first fixed block 5 is welded on the inner wall of the damping sleeve 1, one side of the first fixed block 5 far away from the damping sleeve 1 is movably connected with two first supporting rods 6, one end of the first fixed block 5 far away from the inner wall of the damping sleeve 1 is movably connected with the first supporting rods 6 through a first hinge shaft, a second spring 7 is fixedly connected between the two first supporting rods 6, two ends of the second spring 7 are respectively fixedly connected with the side walls of the two first supporting rods 6 through welding, the outer side wall of the arc plate 3 is fixedly connected with a second fixed block 8, the second fixed block 8 is welded on the outer side wall of the arc plate 3, one side of the second fixed block 8 far away from the outer side wall of the arc plate 3 is movably connected with two second supporting rods 9, one end of the second fixed block 8 far away from the outer side wall of the arc plate 3 is movably connected with the second supporting rods, the second supporting rods 9 are movably connected with the corresponding first supporting rods 6 through third hinge shafts, and third springs 10 are fixedly connected between the two second supporting rods 9. Two ends of the third spring 10 are respectively fixedly connected with the side walls of the two second supporting rods 9 by welding.

The working principle is as follows: after the main shaft is inserted into the shaft sleeve 110, when the main shaft to be processed shakes, the telescopic rod 2 moves up and down, the first spring 4 plays a role in first buffering, the first supporting rod 6 and the second supporting rod 9 move towards two sides, the second spring 7 and the third spring 10 pull the first supporting rod 6 and the second supporting rod 9 to move towards the inner side, second buffering is achieved, and therefore the effect of shock absorption is achieved.

The medial surface of circular arc board 3 is fixed with the axle sleeve 11 that is used for the cover to establish the main shaft, and axle sleeve 11 lateral wall and 3 inside wall welded fastening of circular arc board are connected, as shown in fig. 4, and axle sleeve 11 inboard is fixed and has been seted up ball groove 12, and the inside roll connection in ball groove 12 has a plurality of balls 13, and wherein, ball groove 12 is equipped with the multiunit with ball 13 altogether, and at the inboard evenly distributed of axle sleeve 11. When the main shaft is inserted into the rear shaft sleeve 11, the ball 13 is in contact with the outside of the main shaft, and the friction between the shaft sleeve 11 and the main shaft is reduced through the ball 13, so that the abrasion is reduced when the equipment is used, the service life is prolonged, and certain popularization value is achieved.

Example two: on the basis of the above embodiment, a shock absorption pad 17 is further arranged between the shaft sleeve 11 and the arc plate 3, one side surface of the shock absorption pad 17 is fixedly connected with the outer side surface of the shaft sleeve 11 through a strong glue, the other side surface of the shock absorption pad 17 is fixedly connected with the inner side surface of the arc plate 3 through a strong glue, two ends of the shaft sleeve 11 are provided with baffle plates 18 for preventing the shaft sleeve 11 from moving left and right inside the shock absorption sleeve 1, and the baffle plates 18 and the shaft sleeve 11 are integrally formed. A shock pad 17 is provided to further increase the cushioning effect of the device.

Example three: further on the basis of above-mentioned embodiment, the top fixedly connected with support column 14 of shock attenuation cover 1, support column 14 welding are at the top of shock attenuation cover 1, the top fixedly connected with connecting plate 15 of support column 14, and connecting plate 15 welding is at the top of support column 14, and the both sides of connecting plate 15 bottom are provided with bolt 16, and the top of bolt 16 runs through to the top of connecting plate 15. When equipment uses, use bolt 16 and support equipment to carry out fixed connection through connecting plate 15 for when equipment uses, can effectually reach the purpose of quick installation, convenient and fast more.

In summary, the supporting columns and the connecting plates are arranged in the utility model, so that the purpose of quick installation can be effectively achieved when the device is used, and the device is more convenient and quick; the telescopic rod, the first spring and the buffer mechanism are matched, so that the vibration generated in the process of machining the main shaft can be absorbed, the vibration of the main shaft is avoided, and the machining quality of the main shaft is improved; the ball groove and the ball are arranged, so that the friction of the ball can be reduced when the equipment is used, the abrasion can be reduced when the equipment is used, and the service life can be prolonged.

While the present invention has been particularly shown and described with reference to the preferred embodiments thereof, and many methods and approaches to the practice thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the appended claims.

Claims

1. Lathe spindle processing damping device, including shock attenuation cover (1), its characterized in that, shock attenuation cover (1) inside is provided with four at least circular arc boards (3), circular arc board (3) with connect through telescopic link (2) between shock attenuation cover (1), the surface cover of telescopic link (2) is equipped with first spring (4), circular arc board (3) with still be equipped with buffer memory mechanism between shock attenuation cover (1), buffer memory mechanism is including fixing first fixed block (5) of shock attenuation cover (1) inner wall, keep away from first fixed block (5) one side swing joint of shock attenuation cover (1) has two first branches (6), two fixedly connected with second spring (7) between first branch (6), the lateral wall fixedly connected with second fixed block (8) of circular arc board (3), keep away from second fixed block (8) one side swing joint of circular arc board (3) lateral wall has two second branches (6), two (9) Second branch (9) and corresponding swing joint, two between first branch (6) fixedly connected with third spring (10) between second branch (9), the medial surface of circular arc board (3) is fixed with axle sleeve (11) that are used for the cover to establish the main shaft, axle sleeve (11) inboard is fixed and has been seted up ball groove (12), ball groove (12) inside roll connection has a plurality of balls (13).

2. The lathe spindle machining shock absorption device is characterized in that a shock absorption pad (17) is arranged between the shaft sleeve (11) and the circular arc plate (3), and baffle plates (18) for preventing the shaft sleeve (11) from moving left and right inside the shock absorption sleeve (1) are arranged at two ends of the shaft sleeve (11).

3. The lathe spindle machining shock absorption device is characterized in that a supporting column (14) is fixedly connected to the top of the shock absorption sleeve (1), a connecting plate (15) is fixedly connected to the top of the supporting column (14), bolts (16) are arranged on two sides of the bottom of the connecting plate (15), and the tops of the bolts (16) penetrate through the top of the connecting plate (15).

4. The lathe spindle machining damping device as claimed in claim 1, wherein two buffer mechanisms are arranged between the circular arc plate (3) and the damping sleeve (1), and the two buffer mechanisms are symmetrically arranged by taking the telescopic rod (2) as a symmetry axis.

5. The lathe spindle machining shock-absorbing device as claimed in claim 1, wherein the ball grooves (12) and the balls (13) are provided in multiple groups and are uniformly distributed inside the sleeve (11).

6. The lathe spindle machining shock absorption device is characterized in that one end, far away from the inner wall of the shock absorption sleeve (1), of the first fixing block (5) is movably connected with the first support rod (6) through a first hinge shaft, one end, far away from the outer side wall of the circular arc plate (3), of the second fixing block (8) is movably connected with the second support rod (9) through a second hinge shaft, and the second support rod (9) is movably connected with the corresponding first support rod (6) through a third hinge shaft.