CN211661643U

CN211661643U - Vertical machining center with buffer structure

Info

Publication number: CN211661643U
Application number: CN202020237826.0U
Authority: CN
Inventors: 董晓军
Original assignee: Jiangsu New Best Intelligent Manufacturing Co ltd
Current assignee: Jiangsu New Best Intelligent Manufacturing Co ltd
Priority date: 2020-03-02
Filing date: 2020-03-02
Publication date: 2020-10-13
Anticipated expiration: 2030-03-02

Abstract

The utility model provides a vertical machining center with a buffer structure, which comprises a machining center body and a buffer base, wherein the top of the buffer base is provided with a concave cavity which is sunken downwards, one side of the buffer base is also provided with an opening which runs through the concave cavity, a supporting plate is connected in the concave cavity in a sliding way through a chute, and the top of the supporting plate is fixed with a plurality of elastic semi-spherical blocks which are used for supporting the bottom side of the machining center body; the inner wall circumference in concave chamber still is equipped with first side portion buffering strip, and the opening part is equipped with a piece, and one side lower part of piece orientation concave intracavity is equipped with a supporting part, and one side upper portion of piece orientation concave intracavity still is equipped with second side portion buffering strip, and the bottom in concave chamber still is equipped with four group's clearing holes that are the rectangle and distribute, and machining center body bottom is equipped with four group's fore-set, and the fore-set can with fix four group's jacking cylinder butts in the buffering base bottom through the clearing hole, the utility model discloses it is comparatively convenient, and comparatively labour saving and time saving to change the maintenance.

Description

Vertical machining center with buffer structure

Technical Field

The utility model relates to a vertical machining center, especially a vertical machining center with buffer structure.

Background

The vertical machining center is a machine for machining a metal blank into a machine part, and is a machine for manufacturing a machine. The existing vertical machining center has defects in stability due to the reason of structural design, and particularly, a great improvement space still exists in the shock absorption aspect of a machine tool, for example, the base is used for playing a shock absorption and buffering effect, the base is required to bear the gravity of the machine tool and frequent wear caused by continuous shock, and the shock absorption structure is generally made of a flexible material, so that the service life is short, after the base is used for a period of time, the shock absorption effect is weakened, the buffer structure on the bottom side needs to be replaced, the existing buffer structure is generally replaced and maintained more complexly, and the time and the labor are wasted.

Therefore, a vertical machining center with a buffer structure, which is convenient to replace and maintain, time-saving and labor-saving, is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a vertical machining center with buffer structure, it is comparatively convenient to change and maintain buffer structure, and comparatively labour saving and time saving.

The utility model provides a following technical scheme:

a vertical machining center with a buffer structure comprises a machining center body and a buffer base supported at the bottom of the machining center body, wherein a concave cavity which is concave downwards is formed in the top of the buffer base, an opening penetrating through the concave cavity is further formed in one side of the buffer base, two groups of sliding grooves are formed in the bottom of the concave cavity, one end of each sliding groove is sealed, the other end of each sliding groove extends out of an opening end, a supporting plate which can slide from the opening end to the center of the concave cavity is connected in the concave cavity in a sliding mode through the sliding grooves, and a plurality of elastic semi-spherical blocks which are used for supporting the bottom side of the machining center body are fixed at the; the inner wall of the concave cavity is also provided with a first side buffer strip which can be abutted against the side wall of the machining center body in the circumferential direction, the opening is provided with a sealing block, two ends of the sealing block are connected to the side walls at two ends of the opening in a sliding manner, the lower part of one side of the sealing block facing the concave cavity is provided with a supporting part, the upper part of one side of the sealing block facing the concave cavity is also provided with a second side buffer strip, one side of the supporting part, which is deviated from the sealing block, is abutted against one side of the supporting plate, the top side of the supporting part is provided with at least two groups of limiting columns, and the bottom of the machining; the bottom in concave chamber still is equipped with four groups of clearing holes that are the rectangle and distribute, and machining center body bottom is equipped with four groups of fore-set, and the diameter of fore-set is less than the diameter of clearing hole, and the fore-set passes the space between first lateral part buffering strip and the backup pad and can with fix four groups of jacking cylinder butt in buffering base bottom through the clearing hole.

Preferably, four groups of support legs which are distributed in a rectangular shape are further arranged on the bottom side of the buffer base.

Preferably, the bottom of machining center body still is equipped with the spacing shrinkage pool that can cooperate with elasticity hemisphere piece one-to-one, and is less than the biggest bulge height of elasticity hemisphere piece in the biggest hole depth of spacing shrinkage pool.

Preferably, the inner diameter of the limiting hole is larger than the outer diameter of the limiting column.

Preferably, the outer side of the end part of the top column is provided with an external thread, and the top column is further connected with a limit nut limited below the buffer base through a thread.

Preferably, the end part of the piston rod of the cylinder is also provided with a guide post, and the bottom side of the top post is provided with a guide hole matched with the guide post.

The utility model has the advantages that: when the elasticity hemisphere piece in the backup pad appears wearing and tearing seriously, the accessible is pulled down back from the fore-set with stop nut, and then starts the jacking cylinder, make the machining center body rise through promoting the fore-set, until spacing post and the separation of machining center body, and then can the pull play seal piece, and then the pull backup pad is taken out from the opening part, realize the change of backup pad, the new backup pad of change slides to the spill intracavity back of targetting in place, the butt is realized to the accessible supporting part, and then descend the machining center body, resume original position department can, therefore it is comparatively convenient to change the maintenance, and comparatively labour saving and time saving.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a top view of the present invention;

fig. 2 is a front view of the present invention;

FIG. 3 is a schematic view of the structure of the seal block;

FIG. 4 is a bottom view of the support plate;

notation in the figure: 1 is the machining center body, 2 is the buffering base, 3 is the die cavity, 4 is the opening, 5 is the backup pad, 6 is elasticity hemisphere piece, 7 is first side buffering strip, 8 is the sealing block, 9 is the supporting part, 10 is second side buffering strip, 11 is spacing post, 12 is the clearing hole, 13 is the fore-set, 14 is the jacking cylinder, 15 is the supporting leg, 16 is stop nut, 17 is the guide post.

Detailed Description

With reference to fig. 1 to 4, in this embodiment, the vertical machining center with a buffering structure includes a machining center body 1 and a buffering base 2 supported at the bottom of the machining center body 1, a concave cavity 3 recessed downward is formed at the top of the buffering base 2, an opening 4 penetrating through the concave cavity 3 is further formed at one side of the buffering base 2, two sets of sliding grooves are formed at the bottom of the concave cavity 3, one end of each sliding groove is sealed, the other end of each sliding groove extends out of the opening 4, a supporting plate 5 capable of sliding from the opening 4 toward the center of the concave cavity 3 is slidably connected in the concave cavity 3 through the sliding grooves, and a plurality of elastic hemispherical blocks 6 supported at the bottom side of the machining center body 1 are fixed at the top of the supporting plate 5; the inner wall circumference of the concave cavity 3 is also provided with a first side buffer strip 7 which can be abutted against the side wall of the machining center body 1, the opening 4 is provided with a sealing block 8, two ends of the sealing block 8 are slidably connected to the side walls of the two ends of the opening 4, the lower part of one side of the sealing block 8 facing the concave cavity 3 is provided with a supporting part 9, the upper part of one side of the sealing block 8 facing the concave cavity 3 is also provided with a second side buffer strip 10, one side of the supporting part 9 departing from the sealing block 8 is abutted against one side of the supporting plate 5, the top side of the supporting part is provided with at least two groups of limiting columns 11, and the bottom of the machining center body 1 is provided with limiting holes which can be inserted into the limiting; the bottom of concave chamber 3 still is equipped with four groups of clearing holes 12 that are the rectangular distribution, and machining center body 1 bottom is equipped with four groups of fore-set 13, and the diameter of fore-set 13 is less than the diameter of clearing hole 12, and fore-set 13 passes the space between first lateral part buffering strip 7 and the backup pad 5 and can be with the four groups of jacking cylinders 14 butt of fixing in buffering base 2 bottom through clearing hole 12.

Four groups of supporting legs 15 which are distributed in a rectangular shape are arranged on the bottom side of the buffering base 2.

The bottom of machining center body 1 still is equipped with can with the spacing shrinkage pool of the 6 one-to-one complex of elasticity hemisphere piece, and is less than the biggest protruding height of elasticity hemisphere piece 6 in the biggest hole depth of spacing shrinkage pool, through setting up spacing shrinkage pool for after the backup pad slides and targets in place, through the grafting cooperation of spacing shrinkage pool and elasticity hemisphere piece 6 this moment, thereby can further reduction machining center body 1's circumference vibrations.

The inner diameter of the limiting hole is larger than the outer diameter of the limiting column 11.

The tip outside of fore-set 13 is equipped with the external screw thread, still has spacing stop nut 16 in buffer base 2 below through threaded connection on the fore-set 13, through threaded connection stop nut on the fore-set to can set up the upper limit of the upwards vibrations of machining center body 1 vibrations.

The end part of the piston rod of the cylinder is also provided with a guide post 17, and the bottom side of the top post 13 is provided with a guide hole matched with the guide post 17, so that the possibility that the machining center body 1 is displaced when the top post is jacked can be avoided.

The utility model discloses a theory of operation is: when the wearing and tearing are serious to appear in the elasticity hemisphere piece 6 in the backup pad, the accessible is with the back of pulling down stop nut 16 from fore-set 13, and then start jacking cylinder 14, make machining center body 1 rise through promoting fore-set 13, separate until spacing post 11 and machining center body 1, and then can the pull out seals piece 8, and then pull backup pad 5 is taken out from opening 4, realize the change of backup pad 5, the new backup pad of change slides to the back of targetting in place in concave cavity 3, the butt is realized to accessible supporting part 9, and then decline machining center body 1, it can to resume home position department, therefore it is comparatively convenient to change the maintenance, and comparatively labour saving and time saving.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A vertical machining center with a buffer structure is characterized by comprising a machining center body and a buffer base supported at the bottom of the machining center body, wherein a concave cavity which is concave downwards is formed in the top of the buffer base, an opening penetrating through the concave cavity is further formed in one side of the buffer base, two groups of sliding grooves are formed in the bottom of the concave cavity, one ends of the sliding grooves are sealed, the other ends of the sliding grooves extend out of the opening end, a supporting plate which can slide from the opening end to the center of the concave cavity is connected in the concave cavity in a sliding mode through the sliding grooves, and a plurality of elastic hemispherical blocks which are used for being supported at the bottom side of the machining center body are fixed at the top of the supporting plate;

the inner wall of the concave cavity is also circumferentially provided with a first side buffering strip which can be abutted against the side wall of the machining center body, the opening is provided with a sealing block, two ends of the sealing block are slidably connected to the side walls of the two ends of the opening, the lower part of one side of the sealing block, facing the concave cavity, is provided with a supporting part, the upper part of one side of the sealing block, facing the concave cavity, is also provided with a second side buffering strip, one side of the supporting part, deviating from the sealing block, is abutted against one side of the supporting plate, the top side of the supporting part is provided with at least two groups of limiting columns, and the bottom of the machining center body is provided with a limiting hole which can be inserted into the limiting columns to;

the bottom in concave chamber still is equipped with four group's clearing holes that are the rectangle and distribute, machining center body bottom is equipped with four groups of fore-set, the diameter of fore-set is less than the diameter of clearing hole, the fore-set passes first side buffering strip with space between the backup pad just passes through the clearing hole can with fix four groups of jacking cylinder butt in buffering base bottom.

2. The vertical machining center with the buffer structure as claimed in claim 1, wherein four sets of support legs are further arranged on the bottom side of the buffer base in a rectangular distribution.

3. The vertical machining center with the buffering structure as claimed in claim 1, wherein the bottom of the machining center body is further provided with limiting concave holes capable of being matched with the elastic hemispherical blocks in a one-to-one correspondence manner, and the maximum hole depth of the limiting concave holes is smaller than the maximum protrusion height of the elastic hemispherical blocks.

4. The vertical machining center with the buffer structure as claimed in claim 1, wherein the inner diameter of the limiting hole is larger than the outer diameter of the limiting column.

5. The vertical machining center with the buffering structure as claimed in claim 1, wherein an external thread is arranged on the outer side of the end portion of the top column, and a limiting nut which is limited below the buffering base is further connected to the top column through a thread.

6. The vertical machining center with the buffering structure as claimed in claim 1, wherein the end of the piston rod of the cylinder is further provided with a guide post, and the bottom side of the top post is provided with a guide hole matched with the guide post.