CN211449987U

CN211449987U - Gas distribution device of chuck

Info

Publication number: CN211449987U
Application number: CN201922209893.1U
Authority: CN
Inventors: 任俊杰; 石利军; 宋洪凯
Original assignee: Changzhou Dairuike Mechanical And Electrical Technology Co ltd
Current assignee: Changzhou Dairuike Mechanical And Electrical Technology Co ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-09-08
Anticipated expiration: 2029-12-11

Abstract

The utility model discloses a distributing device of chuck, its main points are: comprises a rotating shaft, a gas distribution seat and 3 groups of sealing ring components. The gas distribution seat is in clearance fit with the rotating shaft, 2 airflow grooves are arranged on the gas distribution seat, and 2 airflow channels are formed between the 2 airflow grooves of the gas distribution seat and the rotating shaft through 3 groups of sealing ring assemblies. And 2 air flow grooves on the air distribution seat are provided with corresponding air inlets. The rotating shaft is provided with a first air passage and a second air passage which are respectively communicated with the 2 air flow passages. The utility model discloses a distribution device of chuck simple structure, the air current groove of distribution seat forms airflow channel with the corresponding part of rotation axis jointly, incessant air feed when having realized the rotation, and seals convenient assembling from the place ahead and rear by O type sealing washer and the sealed pad of O type that is arranged in its front and back sealing washer groove.

Description

Gas distribution device of chuck

Technical Field

The utility model relates to a laser cutting equipment technical field specifically is a distributing device for chuck.

Background

At present, a professional laser pipe cutting machine or a plate-pipe integrated machine is widely adopted to process pipe materials and section bars made of various metal materials. The existing chuck adopts a driving device (a servo motor and a speed reducer) to drive a driven gear to rotate, a support is driven by the driven gear to rotate, a rotating shaft is driven by the support to rotate, a clamping jaw on the chuck is arranged on the support, and the clamping jaw and the rotating shaft rotate together after clamping a workpiece. Therefore, the clamping force, stability and reliability of the jaws on the chuck directly influence the processing precision of the workpiece and the grippability of various pipes and profiles. The jack catch on the existing chuck usually adopts a cylinder driving mode (the cylinder is a double-acting cylinder), while the jack catch and the cylinder rotate along with the rotation of the workpiece, and the cylinder needs to supply air through a corresponding pipeline. The existing air distribution device can only ventilate the air cylinder when the chuck does not rotate, and then the air cylinder drives the clamping jaws to clamp or loosen.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple structure, convenient assembling's a distributing device for chuck.

Realize the utility model discloses the basic technical scheme of purpose is: the gas distribution device of the chuck is structurally characterized in that: comprises a rotating shaft, a gas distribution seat and 3 groups of sealing ring components. The gas distribution seat is in clearance fit with the rotating shaft, 2 airflow grooves are arranged on the gas distribution seat, and 2 airflow channels are formed between the 2 airflow grooves of the gas distribution seat and the rotating shaft through 3 groups of sealing ring assemblies. And 2 air flow grooves on the air distribution seat are provided with corresponding air inlets. The rotating shaft is provided with a first air passage and a second air passage which are respectively communicated with the 2 air flow passages.

The technical scheme based on the basic technical scheme is as follows: the 3 groups of sealing ring components comprise O-shaped sealing rings and O-shaped sealing gaskets. The O-shaped sealing gasket is arranged on the inner side of the O-shaped sealing ring and is contacted with the rotating shaft.

The technical scheme based on the corresponding technical schemes is as follows: two annular grooves are sequentially arranged on the inner wall of the O-shaped sealing gasket of the sealing ring component from front to back.

The technical scheme based on the corresponding technical schemes is as follows: the gas distribution base is integrally in a cylindrical shell shape. 2 air current grooves are arranged on the inner wall of the air distribution seat from front to back in parallel. The 2 air flow grooves are called a front side air flow groove and a rear side air flow groove according to the difference of the front and rear positions of the air flow grooves. The 2 airflow grooves are all annular grooves with inward openings. A third air inlet communicated with the outside is arranged in the front side airflow groove. And a fourth air inlet communicated with the outer side is arranged in the rear side airflow groove. The gas distribution seat is provided with 3 sealing ring grooves, the 3 sealing ring grooves are annular grooves with inward openings, and the 3 sealing ring grooves are sequentially arranged from front to back and are sequentially called as a first sealing ring groove, a second sealing ring groove and a third sealing ring groove. The first seal ring groove is positioned in front of the front side airflow groove, the second seal ring groove is positioned between the front side airflow groove and the rear side airflow groove, and the third seal ring groove is positioned behind the rear side airflow groove. And 3 groups of sealing ring assemblies are respectively arranged in the corresponding sealing ring grooves.

The technical scheme based on the corresponding technical schemes is as follows: the periphery of the rear part of the rotating shaft is provided with a flange part.

The first air passage is provided at a left portion of the rotating shaft, and the first air passage includes a first flange section and a first axial section. The first flange section is arranged on the left part of the flange part along the radial direction of the rotating shaft, the outer port is communicated with the outside, and the outer port is provided with a plug. The left part of the flange part is provided with a first air outlet communicated with the first flange section along the axial direction of the rotating shaft.

The first axial section is arranged on the left part of the rotating shaft along the axial direction of the rotating shaft, the front end of the first axial section is communicated with the inner end of the first flange section, the rear port of the first axial section is communicated with the outside, and the rear port of the first axial section is provided with a plug. The rear part of the rotating shaft is provided with a first air inlet which is provided with an outward opening and communicated with the first axial section along the axial direction, and the first air inlet is communicated with the front side air flow groove of the air distribution seat.

The second air passage is provided at a right portion of the rotary shaft, and the second air passage includes a second flange section and a second axial section. The second flange section is arranged on the right part of the flange part along the radial direction of the rotating shaft, the outer port is communicated with the outside, and the outer port is provided with a plug. And a second air outlet communicated with the second flange section is arranged at the right part of the flange part along the axial direction of the rotating shaft.

The second axial section is arranged on the right part of the rotating shaft along the axial direction of the rotating shaft, the front end of the second axial section is communicated with the inner end of the second flange section, the rear port of the second axial section is communicated with the outside, and the rear port of the second axial section is provided with a plug. And a second air inlet which is provided with an outward opening and is communicated with the second axial section is arranged at the rear part of the rotating shaft along the axial direction of the rotating shaft, and the second air inlet is communicated with the rear side air flow groove of the air distribution seat.

The utility model discloses following beneficial effect has: (1) the utility model discloses a distribution device of chuck simple structure, the air current groove of distribution seat forms airflow channel with the corresponding part of rotation axis jointly, incessant air feed when having realized the rotation, and seals convenient assembling from the place ahead and rear by O type sealing washer and the sealed pad of O type that is arranged in its front and back sealing washer groove.

(2) The gas distribution device of the chuck of the utility model can distribute gas under the rotating and non-rotating states of the chuck, so as to realize the clamping and loosening of the clamping jaws on the chuck, reduce the assembly difficulty on one hand and lower the production cost; on the other hand, the device is not damaged and is reliable and durable.

(3) The utility model discloses a sealing washer subassembly of chuck still is equipped with O type and seals up, is favorable to protecting the sealing washer, increase of service life.

(4) The utility model discloses a sealed the being equipped with the ring channel on of O type of the sealing washer subassembly of chuck, both sides all form around the ring channel and seal with rotation axis in close contact with, are favorable to improving sealed effect, are favorable to the sealed pad of O type to produce deformation moreover, can be better with the rotation axis contact, adaptability is strong.

Drawings

Fig. 1 is a schematic structural view of the gas distribution device of the chuck of the present invention.

Fig. 2 is a left side view of fig. 1.

Fig. 3 is a right-side view of fig. 1.

Fig. 4 is a rear view of fig. 1.

Fig. 5 is a schematic top view of fig. 1.

Fig. 6 is a schematic view when viewed from the front left upper side of fig. 1.

Fig. 7 is a schematic view as viewed from the front right lower side of fig. 1.

Fig. 8 is an enlarged schematic view of the rotating shaft in fig. 1.

Fig. 9 is a schematic sectional view a-a in fig. 8.

Fig. 10 is a schematic structural view of the gas distribution device of the chuck according to the present invention applied to the chuck.

Fig. 11 is a schematic view as viewed from the upper right front of fig. 10.

Fig. 12 is a schematic view when viewed from the upper left rear side of fig. 10.

Fig. 13 is a schematic sectional view B-B in fig. 10.

Fig. 14 is a schematic structural view of a seal ring assembly.

Fig. 15 is a schematic structural view of the gas distribution base.

Fig. 16 is an enlarged view of the portion C in fig. 13.

The reference numbers in the drawings are:

a rotating shaft 1, a flange 1-1, a through hole 1-2,

a first air duct 1-3, a first flange section 1-31, a first air outlet 1-31a, a first axial section 1-32, a first air inlet 1-32a,

a second air duct 1-4, a second flange section 1-41, a second air outlet 1-41a, a second axial section 1-42, a second air inlet 1-42a,

a gas distribution seat 2, an airflow groove 2-1, a front airflow groove 2-1a, a third air inlet 2-1a1, a rear airflow groove 2-1b, a fourth air inlet 2-1b1,

a seal ring groove 2-2, a first seal ring groove 2-2a, a second seal ring groove 2-2b, a third seal ring groove 2-2c,

a sealing ring component 3, an O-shaped sealing ring 3-1, an O-shaped sealing gasket 3-2, an annular groove 3-21,

a first air pipe joint 10-1, a second air pipe joint 10-2, a third air pipe joint 10-3, a fourth air pipe joint 10-4, a fifth air pipe joint 10-5, a sixth air pipe joint 10-6,

the device comprises a support 100, a driven gear 200, a driving mechanism 300, a mounting seat 400 and a mounting seat cover plate 400-1.

Detailed Description

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings. The description of the orientation of the utility model is performed according to the orientation shown in fig. 1, that is, the up-down left-right direction shown in fig. 1 is the up-down left-right direction of the description, the side towards which fig. 1 faces is the front side, and the side departing from fig. 1 is the rear side.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.

It should be understood that the terms "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on the positional relationships illustrated in the drawings, and are used only for convenience in describing the present invention or simplifying the description, but do not indicate that a particular orientation must be provided.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, 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.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In case of conflict, the present specification, including definitions, will control.

(example 1)

Referring to fig. 1 to 16, the gas distribution device of the chuck of the present invention includes a rotating shaft 1, a gas distribution base 2 and a sealing ring assembly 3.

Referring to fig. 1 to 13, the rotary shaft 1 is a steel one-piece member. The periphery of the rear part of the rotating shaft 1 is provided with a flange part 1-1. The rotating shaft 1 is provided with a through hole 1-2 along the axial direction thereof. The rotating shaft 1 is coaxially and fixedly installed on a corresponding support 100 of the chuck, the support 100 is coaxially fixed on the driven gear 200, the driving mechanism 300 is fixedly arranged on an installation seat 400 of the chuck, the driving mechanism 300 drives the driven gear 200 to rotate during operation, and the driven gear 200 drives the support 100 to rotate, so that the rotating shaft 100 rotates.

The left part of the rotating shaft 1 is provided with a first air passage 1-3, and the first air passage 1-3 comprises a first flange section 1-31 and a first axial section 1-32. The first flange section 1-31 is arranged on the left part of the flange part 1-1 along the radial direction of the rotating shaft 1, the outer port is communicated with the outside, and a plug (not shown in the drawing) is arranged on the outer port. The left part of the flange part 1-1 is provided with a first air outlet 1-31a communicated with the first flange section 1-31 along the axial direction of the rotating shaft 1, a first air pipe joint 10-1 is arranged on the first air outlet 1-31a, and the first air pipe joint 10-1 adopts a PL series L-shaped threaded two-way thermoplastic quick-plugging joint. The first gas pipe joint 10-1 is communicated with the corresponding cavity of the driving cylinder of the jaw through a corresponding pipeline.

The first axial section 1-32 is arranged on the left part of the rotating shaft 1 along the axial direction of the rotating shaft 1, the front end is communicated with the inner end of the first flange section 1-31, the rear port is communicated with the outside, and the rear port is provided with a plug (not shown in the drawing). The rear part of the rotating shaft 1 is provided with first air inlets 1-32a which are opened outwards and communicated with the first axial sections 1-32 along the axial direction, and the first air inlets 1-32a are positioned at the rear part of the flange part 1-1.

The right part of the rotating shaft 1 is provided with a second air passage 1-4, and the second air passage 1-4 comprises a second flange section 1-41 and a second axial section 1-42. The second flange section 1-41 is arranged on the right part of the flange part 1-1 along the radial direction of the rotating shaft 1, the outer port is communicated with the outside, and a plug (not shown in the drawing) is arranged on the outer port. The right part of the flange part 1-1 is provided with a second air outlet 1-41a communicated with the second flange section 1-41 along the axial direction of the rotating shaft 1, a second air pipe joint 10-2 is arranged on the second air outlet 1-41a, and the second air pipe joint 10-2 adopts a PL series L-shaped threaded two-way thermoplastic quick-plugging joint. The second air pipe joint 10-2 is communicated with the corresponding cavity of the driving cylinder of the clamping jaw through a corresponding pipeline.

The second axial section 1-42 is arranged on the right part of the rotating shaft 1 along the axial direction of the rotating shaft 1, the front end is communicated with the inner end of the second flange section 1-41, the rear port is communicated with the outside, and the rear port is provided with a plug (not shown in the drawing). The rear part of the rotating shaft 1 is provided with second air inlets 1-42a which are opened outwards and communicated with the second axial sections 1-42 along the axial direction, and the second air inlets 1-42a are positioned behind the first air inlets 1-32a in the front-rear direction, namely, a plane in which the axes of the second air inlets 1-42a are positioned and vertically arranged along the left-right direction is positioned behind a plane in which the axes of the first air inlets 1-32a are positioned and vertically arranged along the left-right direction.

Referring to fig. 1 to 14, the gas distribution base 2 is a unitary piece of steel. The gas distribution base 2 is in a cylindrical shell shape as a whole. The inner wall of the gas distribution seat 2 is provided with 2 airflow grooves 2-1. The 2 airflow grooves 2-1 are arranged in parallel from front to back, and the 2 airflow grooves 2-1 are called a front airflow groove 2-1a and a back airflow groove 2-1b according to the difference of the front position and the back position. The 2 airflow grooves 2-1 are all annular grooves with inward openings. The gas distribution seat 2 is provided with 3 sealing ring grooves 2-2, the 3 sealing ring grooves 2-2 are annular grooves with inward openings, and the 3 sealing ring grooves 2-2 are sequentially arranged from front to back and are sequentially called as a first sealing ring groove 2-2a, a second sealing ring groove 2-2b and a third sealing ring groove 2-2 c. The first bead groove 2-2a is located in front of the front side air flow groove 2-1a, the second bead groove 2-2b is located between the front side air flow groove 2-1a and the rear side air flow groove 2-1b, and the third bead groove 2-2c is located behind the rear side air flow groove 2-1 b.

A third air inlet 2-1a1 communicated with the outside is arranged in the front side air flow groove 2-1 a. The outer end of the third air inlet 2-1a is provided with a third air pipe joint 10-3. The third air pipe joint 10-3 adopts a PL series L-shaped thread two-way thermoplastic quick-plugging joint.

The rear side airflow groove 2-1b is provided with a fourth air inlet 2-1b1 communicated with the outside. The outer end of the fourth air inlet 2-1b1 is provided with a fourth air pipe joint 10-4. The fourth air pipe joint 10-4 adopts a PL series L-shaped thread two-way thermoplastic quick-plugging joint.

The gas distribution base 2 is fixedly arranged on a mounting base cover plate 400-1 of the mounting base 400 and is in clearance fit with the rear part of the rotating shaft 1.

Referring to fig. 15 and 16, the number of the seal ring assemblies 3 is the same as the number of the seal ring grooves 2-2 on the air distribution seat 2, and 3 sets of the seal ring assemblies 3 are respectively arranged in the corresponding seal ring grooves 2-2 in the embodiment. The 3 groups of sealing ring components 3 comprise O-shaped sealing rings 3-1 and O-shaped sealing gaskets 3-2. The O-shaped sealing ring 3-1 is arranged in a sealing ring groove of the gas distribution seat 2, and the O-shaped sealing gasket 3-2 is arranged on the inner side of the O-shaped sealing ring 3-1 and is in contact with the rotating shaft 1. Two annular grooves 3-21 are sequentially arranged on the inner wall of the O-shaped sealing gasket 3-2 from front to back.

The front side air flow groove 2-1a of the air distribution seat 2 and the corresponding part of the rotating shaft 1 together form an air flow channel which is communicated with the first air inlet 1-32a and is sealed from the front by the O-shaped sealing ring 3-1 and the O-shaped sealing gasket 3-2 in the first sealing ring groove 2-2a and from the rear by the O-shaped sealing ring 3-1 and the O-shaped sealing gasket 3-2 in the second sealing ring groove 2-2 b.

The rear side air flow groove 2-1b of the air distribution seat 2 and the corresponding part of the rotating shaft 1 form an air flow channel together, the air flow channel is communicated with the second air inlet 1-42a, and is sealed from the front by an O-shaped sealing ring 3-1 and an O-shaped sealing gasket 3-2 in the second sealing ring groove 2-2b, and is sealed from the rear by an O-shaped sealing ring 3-1 and an O-shaped sealing gasket 3-2 in the third sealing ring groove 2-2 c.

The fifth air pipe joint 10-5 and the sixth air pipe joint 10-6 are both arranged on the mounting seat cover plate 400-1 of the mounting seat 400 and both adopt PLM series right-angle plate penetrating pipe joints. One end of the fifth air pipe joint 10-5 is communicated with the third air pipe joint 10-3 through a corresponding pipeline, and the other end of the fifth air pipe joint 10-5 is connected with air source equipment. One end of the sixth gas pipe joint 10-6 is communicated with the fourth gas pipe joint 10-4 through a corresponding pipeline, and the other end of the sixth gas pipe joint 10-6 is connected with gas source equipment.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The gas distribution device of the chuck is characterized in that: comprises a rotating shaft, a gas distribution seat and 3 groups of sealing ring components; the gas distribution seat is in clearance fit with the rotating shaft, 2 airflow grooves are arranged on the gas distribution seat, and 2 airflow channels are formed between the 2 airflow grooves of the gas distribution seat and the rotating shaft through 3 groups of sealing ring assemblies; corresponding air inlets are arranged on the 2 air flow grooves on the air distribution seat; the rotating shaft is provided with a first air passage and a second air passage which are respectively communicated with the 2 air flow passages.

2. The gas distribution device of a chuck according to claim 1, wherein: the 3 groups of sealing ring components comprise O-shaped sealing rings and O-shaped sealing gaskets; the O-shaped sealing gasket is arranged on the inner side of the O-shaped sealing ring and is contacted with the rotating shaft.

3. The gas distribution apparatus of the chuck as set forth in claim 2, wherein: two annular grooves are sequentially arranged on the inner wall of the O-shaped sealing gasket of the sealing ring component from front to back.

4. A gas distribution device for a chuck according to claim 2 or 3, wherein: the gas distribution base is integrally in a cylindrical shell shape; the 2 airflow grooves are arranged on the inner wall of the air distribution seat in parallel from front to back; the 2 airflow grooves are called as a front side airflow groove and a rear side airflow groove according to the difference of the front position and the rear position of the airflow grooves; the 2 airflow grooves are annular grooves with inward openings; a third air inlet communicated with the outer side is arranged in the front side airflow groove; a fourth air inlet communicated with the outer side is formed in the rear side airflow groove; the gas distribution seat is provided with 3 sealing ring grooves, the 3 sealing ring grooves are annular grooves with inward openings, and the 3 sealing ring grooves are sequentially arranged from front to back and are sequentially called as a first sealing ring groove, a second sealing ring groove and a third sealing ring groove; the first seal ring groove is positioned in front of the front side airflow groove, the second seal ring groove is positioned between the front side airflow groove and the rear side airflow groove, and the third seal ring groove is positioned behind the rear side airflow groove; and 3 groups of sealing ring assemblies are respectively arranged in the corresponding sealing ring grooves.

5. The gas distribution apparatus of the chuck as set forth in claim 4, wherein: the periphery of the rear part of the rotating shaft is provided with a flange part;

the first air passage is arranged at the left part of the rotating shaft and comprises a first flange section and a first axial section; the first flange section is arranged on the left part of the flange part along the radial direction of the rotating shaft, the outer port is communicated with the outside, and the outer port is provided with a plug; a first air outlet communicated with the first flange section is formed in the left part of the flange part along the axial direction of the rotating shaft;

the first axial section is arranged on the left part of the rotating shaft along the axial direction of the rotating shaft, the front end of the first axial section is communicated with the inner end of the first flange section, the rear port of the first axial section is communicated with the outside, and the rear port of the first axial section is provided with a plug; the rear part of the rotating shaft is provided with a first air inlet which is provided with an outward opening and communicated with the first axial section along the axial direction of the rotating shaft, and the first air inlet is communicated with the front side air flow groove of the air distribution seat;

the second air passage is arranged at the right part of the rotating shaft and comprises a second flange section and a second axial section; the second flange section is arranged on the right part of the flange part along the radial direction of the rotating shaft, the outer port is communicated with the outside, and the outer port is provided with a plug; a second air outlet communicated with the second flange section is formed in the right part of the flange part along the axial direction of the rotating shaft;

the second axial section is arranged on the right part of the rotating shaft along the axial direction of the rotating shaft, the front end of the second axial section is communicated with the inner end of the second flange section, the rear port of the second axial section is communicated with the outside, and the rear port of the second axial section is provided with a plug; and a second air inlet which is provided with an outward opening and is communicated with the second axial section is arranged at the rear part of the rotating shaft along the axial direction of the rotating shaft, and the second air inlet is communicated with the rear side air flow groove of the air distribution seat.