CN213530869U

CN213530869U - Damping device of numerical control drilling machine

Info

Publication number: CN213530869U
Application number: CN202021954877.1U
Authority: CN
Inventors: 沙明霞
Original assignee: Qingdao Rongshi Industry Co ltd
Current assignee: Qingdao Rongshi Industry Co ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-06-25
Anticipated expiration: 2030-09-08

Abstract

The utility model discloses a damping device of numerical control drilling machine, including base and pedestal, the inside of base is provided with the internal thread sleeve pipe, and a plurality of scattered metal blocks that shake of fixedly connected with between base and the pedestal, it is round platform column structure to scatter to shake the metal block, and the top and the bottom of scattering the metal block shake respectively with base and pedestal fixed connection, cushion chamber and lower cushion chamber have been seted up respectively to the inside of base and pedestal, it is located a plurality of columns that shake of loosing of the inside one end fixedly connected with of cushion chamber to scatter to shake the metal block. This numerically-controlled drilling machine's damping device divide into base and pedestal bilayer structure to utilize scattered the metal block that shakes to connect base and pedestal, make vibrations only the accessible scatter and shake the metal block conduction, and scatter and shake the metal block and shake the post through scattering to shake the post and scattering down, will shake and transmit the aquatic, avoid too much transmission to drive lead screw surface, and do not produce the shake back, prevent that the work piece from shaking, ensure the machining precision.

Description

Damping device of numerical control drilling machine

Technical Field

The utility model relates to a numerically-controlled drilling machine technical field specifically is a damping device of numerically-controlled drilling machine.

Background

The numerical control drilling machine is mainly used for machining of drilling, reaming, tapping and the like. In the automotive, locomotive, shipbuilding, aerospace, engineering machinery industries; especially, the drilling processing of various large parts such as super-long laminated plates, longitudinal beams, structural steel, pipe-shaped parts and the like which are porous and rich in sources and become sea is preferred.

When a workpiece is machined, a fixing seat is mostly adopted to clamp and fix the workpiece, a servo motor is adopted to drive a screw rod to rotate, and the fixing seat is driven to move, so that the workpiece is driven to move.

At present, current fixing base simple structure, the vibration power that wholly receives the drill bit is great, leads to producing vibrations between drive lead screw and the fixing base easily, and the wearing and tearing appear in the screw thread tooth between the time of the good time, and we need avoid the vibration power to transmit the bottom of fixing base, extension drive lead screw life to prevent to shake back and guarantee the machining precision.

Therefore, the existing fixing seat needs to be improved to have a shock absorption function.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a damping device of numerically-controlled drilling machine to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a damping device of numerical control drilling machine, includes base and pedestal, the inside of base is provided with the internal thread sleeve pipe, and a plurality of metal blocks that shake that scatter of fixedly connected with between base and the pedestal, it is round platform column structure to scatter to shake the metal block, the top and the bottom of scattering and shake the metal block respectively with base and pedestal fixed connection, cushion chamber and lower cushion chamber have been seted up respectively to the inside of base and pedestal, it is located a plurality of columns that shake that scatter of the one end fixedly connected with of cushion chamber inside to scatter to shake the metal block, it is located a plurality of columns that shake that scatter of the one end fixedly connected with of cushion chamber inside down to scatter to shake the metal block, it has water to go up the inside of cushion chamber and lower cushion chamber all to fill, the last fixed surface of pedestal is connected with two sets of centre gripping.

Preferably, the internal thread of the internal thread sleeve is connected with a driving screw rod, and the number of the internal thread sleeve and the driving screw rod is at least two.

Preferably, the inside of going up the cushion chamber is provided with a plurality of fixed columns, fixed column and the interior roof and the interior diapire fixed connection of last cushion chamber.

Preferably, the centre gripping subassembly includes two risers of fixed connection at the pedestal upper surface, and threaded hole is all seted up to the side of two risers, the riser has the screw rod that the level was placed through bolt hole threaded connection, the one end fixed adjustment handle of screw rod, the other end of screw rod is rotated through miniature bearing and is connected with the stripper plate, the rubber pad has been inlayed to the side of stripper plate.

Preferably, the upper surface of base and the peripheral fixedly connected with that is located the pedestal enclose the cover, the side fixedly connected with drain pipe that encloses the cover, the surface mounting of drain pipe has the control valve.

Preferably, the surface of the screw rod is in threaded connection with two adjusting nuts, the two adjusting nuts are located between two vertical plates, and rubber gaskets are arranged between the adjusting nuts and the vertical plates.

Advantageous effects

The utility model provides a damping device of numerically-controlled drilling machine possesses following beneficial effect:

1. this numerically-controlled drilling machine's damping device divide into base and pedestal bilayer structure to utilize scattered the metal block that shakes to connect base and pedestal, make vibrations only the accessible scatter and shake the metal block conduction, and scatter and shake the metal block and shake the post through scattering to shake the post and scattering down, will shake and transmit the aquatic, avoid too much transmission to drive lead screw surface, and do not produce the shake back, prevent that the work piece from shaking, ensure the machining precision.

2. This numerically-controlled drilling machine's damping device encloses the cover through the setting and wraps up the pedestal in inside, and during the processing work piece, the displacement of drain pipe is being adjusted in the inside of enclosing the cover to the coolant liquid, makes to enclose the inside certain coolant liquid that remains all the time of cover, and the coolant liquid can play absorbing effect, is convenient for further the shock attenuation.

Drawings

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

FIG. 2 is a schematic view of the front cross-section structure of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: the device comprises a base 1, a pedestal 2, an internal thread sleeve 3, a vibration dispersing metal block 4, an upper buffer cavity 5, a lower buffer cavity 6, an upper vibration dispersing column 7, a lower vibration dispersing column 8, a driving screw rod 9, a fixing column 10, a vertical plate 11, a screw rod 12, an extrusion plate 13, a surrounding cover 14, a drainage pipe 15 and an adjusting nut 16.

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. 1-3, the present invention provides a technical solution: the utility model provides a damping device of numerical control drilling machine, includes base 1 and pedestal 2, and the inside of base 1 is provided with internal thread sleeve pipe 3, and internal thread sleeve pipe 3's inside threaded connection has drive lead screw 9, and internal thread sleeve pipe 3 and drive lead screw 9's quantity is two at least.

A plurality of scattered metal blocks 4 that shake of fixedly connected with between base 1 and the pedestal 2, it shakes metal blocks 4 to scatter to shake is round platform column structure, scatter to shake metal blocks 4 the top and the bottom respectively with base 1 and pedestal 2 fixed connection, cushion chamber 5 and lower cushion chamber 6 have been seted up respectively to base 1 and pedestal 2's inside, the inside of going up cushion chamber 5 is provided with a plurality of fixed columns 10, fixed column 10 and last cushion chamber 5's interior roof and interior bottom wall fixed connection, it shakes metal blocks 4 to be located a plurality of scattered post 7 that shakes of going up of the inside one end fixedly connected with of cushion chamber 5, it shakes post 8 to scatter to shake metal blocks 4 and be located a plurality of lower scattered of one end fixedly connected with of cushion chamber 6 inside down, the inside of going up cushion chamber 5 and lower cushion chamber 6 all is filled with water.

This numerically-controlled drilling machine's damping device divide into

base

1 and 2 bilayer structures of pedestal to utilize scattered metal block 4 of shaking to connect base 1 and pedestal 2, make vibrations only the accessible scatter and shake metal block 4 conduction, and scatter and shake metal block 4 and shake post 7 and scatter down through last scattering and shake post 8, will shake and transmit the aquatic, avoid too much transmission to drive lead screw 9 surface, and do not produce the shake back, prevent that the work piece from shaking, ensure the machining precision.

The last fixed surface of pedestal 2 is connected with two sets of centre gripping subassemblies that are used for the centre gripping work piece, the centre gripping subassembly includes two risers 11 of fixed connection at 2 upper surfaces of pedestal, threaded hole has all been seted up to the side of two risers 11, riser 11 has the screw rod 12 that the level was placed through bolt hole threaded connection, the one end fixed regulation of screw rod 12 is handled, the other end of screw rod 12 rotates through miniature bearing and is connected with stripper plate 13, the rubber pad has been inlayed to stripper plate 13's side, the surface threaded connection of screw rod 12 has two adjusting nut 16, two adjusting nut 16 are located between two risers 11, be provided with the rubber packing ring between adjusting nut 16 and the riser 11.

The periphery fixedly connected with of the upper surface of base 1 and being located pedestal 2 encloses cover 14, encloses the side fixedly connected with drain pipe 15 of cover 14, and the surface mounting of drain pipe 15 has the control valve.

This numerically-controlled drilling machine's damping device encloses cover 14 through the setting and wraps up 2 parcels of pedestal in inside, and during the processing work piece, the displacement of drain pipe 15 is being adjusted in the inside that encloses cover 14 to the coolant liquid, makes and encloses 14 inside and remain certain coolant liquid all the time, and the coolant liquid can play absorbing effect, is convenient for further the shock attenuation.

The working principle is as follows: when the damping device of the numerically-controlled drilling machine is used, firstly, a workpiece is clamped in the middle of the two extrusion plates 13 through the screw 12, the extrusion plates 13 and the adjusting nuts 16, then, a numerical control system of the numerically-controlled drilling machine is utilized, the displacement of the base 1 is controlled through the internal thread sleeve 3 and the driving screw rod 9, when the drilling, tapping and the like are processed, the vibration generated by the workpiece is transmitted through the vibration dissipation metal block 4 and is transmitted downwards by the base 2, the vibration is transmitted to the water through the upper vibration dissipation column 7 and the lower vibration dissipation column 8 by injecting water into the upper buffer cavity 5 and the lower buffer cavity 6, the base 2 is wrapped inside the enclosure 14 by the enclosure 14, when the workpiece is processed, the drainage quantity of the drain pipe 15 is adjusted in the enclosure 14, a certain cooling liquid is kept inside the enclosure 14 all the time, the cooling liquid can play a damping role, so that the excessive vibration is prevented from being transmitted to the base 1 by the base 2, meanwhile, the vibration cannot be generated, and the processing precision is prevented from being reduced due to the vibration.

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 damping device of numerical control drilling machine, includes base (1) and pedestal (2), its characterized in that: an internal thread sleeve (3) is arranged inside the base (1), a plurality of vibration dissipation metal blocks (4) are fixedly connected between the base (1) and the pedestal (2), the vibration dissipation metal block (4) is in a round table-shaped structure, the top and the bottom of the vibration dissipation metal block (4) are respectively and fixedly connected with the base (1) and the pedestal (2), the inner parts of the base (1) and the pedestal (2) are respectively provided with an upper buffer cavity (5) and a lower buffer cavity (6), one end of the vibration dissipation metal block (4) positioned in the upper buffer cavity (5) is fixedly connected with a plurality of upper vibration dissipation columns (7), one end of the vibration dissipation metal block (4) positioned in the lower buffer cavity (6) is fixedly connected with a plurality of lower vibration dissipation columns (8), the interiors of the upper buffer cavity (5) and the lower buffer cavity (6) are filled with water, the upper surface of the pedestal (2) is fixedly connected with two groups of clamping components for clamping workpieces.

2. The vibration damping device for the numerically controlled drilling machine according to claim 1, wherein: the internal thread of the internal thread sleeve (3) is connected with a driving screw rod (9), and the number of the internal thread sleeve (3) and the driving screw rod (9) is at least two.

3. The vibration damping device for the numerically controlled drilling machine according to claim 1, wherein: the inner side of the upper buffer cavity (5) is provided with a plurality of fixing columns (10), and the fixing columns (10) are fixedly connected with the inner top wall and the inner bottom wall of the upper buffer cavity (5).

4. The vibration damping device for the numerically controlled drilling machine according to claim 1, wherein: the centre gripping subassembly includes two riser (11) of fixed connection at pedestal (2) upper surface, and threaded hole is all seted up to the side of two riser (11), riser (11) have screw rod (12) that the level was placed through bolt hole threaded connection, the one end fixed adjustment handle of screw rod (12), the other end of screw rod (12) rotates through miniature bearing and is connected with stripper plate (13), the side of stripper plate (13) inlays and is equipped with the rubber pad.

5. The vibration damping device for the numerically controlled drilling machine according to claim 1, wherein: the upper surface of base (1) and the peripheral fixedly connected with that is located pedestal (2) enclose cover (14), the side fixedly connected with drain pipe (15) of enclosing cover (14), the surface mounting of drain pipe (15) has the control valve.

6. The vibration damping device for the numerically controlled drilling machine according to claim 4, wherein: the surface of the screw rod (12) is in threaded connection with two adjusting nuts (16), the two adjusting nuts (16) are located between two vertical plates (11), and rubber gaskets are arranged between the adjusting nuts (16) and the vertical plates (11).