CN202667700U - Air feed structure of air clamp gas injection device - Google Patents
Air feed structure of air clamp gas injection device Download PDFInfo
- Publication number
- CN202667700U CN202667700U CN 201220274549 CN201220274549U CN202667700U CN 202667700 U CN202667700 U CN 202667700U CN 201220274549 CN201220274549 CN 201220274549 CN 201220274549 U CN201220274549 U CN 201220274549U CN 202667700 U CN202667700 U CN 202667700U
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- air
- air feed
- abutting part
- inner core
- pin section
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Abstract
The utility model relates to an air feed structure of an air clamp gas injection device. The air feed structure comprises a driving frame and two air feed units fixed on the driving frame, wherein each of the two air feed units comprises an air feed joint and a valve nozzle, the air feed joint comprises a joint body, an ejection pin, an ejection pin spring and a cushion sleeve, the ejection pin is externally protruded at the bottom end of the joint body, the ejection pin spring is arranged in the joint body and tightly abutted against the ejection pin, and the cushion sleeve is sleeved at the bottom end of the joint body. The valve nozzle faces towards the ejection pin and comprises a bearing seat, a limiting ball and a limiting spring. An abutting portion of the bearing seat is matched with one end, facing the abutting portion, of the cushion sleeve in shape. The limiting ball is arranged in the bearing seat and partly protruded out of the abutting portion, and the limiting spring is tightly abutted against the limiting ball. Due to the connection among the air feed joints of the air feed units and the valve nozzle, air ejection and air absorption can be realized, and production cost and mounting cost can be greatly saved.
Description
Technical field
The utility model relates to a kind of member of compressed air chuck device of toolroom machine, particularly a kind of air feed structure of air injection device for air pressure chuck.
Background technology
The prior art toolroom machine is provided with headstock body, compressed air chuck and air feed structure, and air feed structure includes anti-rotation support and distributing ring, and distributing ring is made and is fixedly arranged on by aluminium alloy on the anti-rotation support, wherein distributing ring be located at compressed air chuck around.
Compressed air chuck is unclamped or clamp when action at needs, distributing ring is connected pneumatic supply, the operation of optionally unclamping or clamping towards each gas injection port air inlet of air pressure chuck by distributing ring.
Though the distributing ring of prior art can reach the effect to gas injection port air inlet around the compressed air chuck, because that distributing ring is the die sinking cost of rubber part of the metal construction of the domain and its inner used domain is very high.And, need to be installed in compressed air chuck structure on every side by the anti-rotation support, when also causing the distributing ring installation fee, the installing trouble has improved necessity in fact.
The utility model content
For the air feed structure that solves the prior art air injection device for air pressure chuck bothers time-consuming relevant for installation, the deficiency that manufacturing cost is high and restriction, the purpose of this utility model is to provide a kind of air feed structure of air injection device for air pressure chuck, the connecing the gas joint and can carry out gas injection and air-breathing operation being connected of valve nozzle of its two air supply unit is so can significantly save the time cost of production cost and installation.
The technological means that the utility model uses is to provide a kind of air feed structure of air injection device for air pressure chuck, and the headstock that it can be installed in a toolroom machine includes:
One bogie, it can straight-line displacement; And
Two air supply units, it is fixedly arranged on this bogie, and this two air supply unit independently arranges and each includes respectively an air connector and a valve nozzle, and this air connector includes a joint body, a thimble, a thimble spring, a cushion collar; This joint body includes a urceolus, an inner core and a cylinder, and this inner core axially is fixed in this urceolus and the bottom of this cylinder of evagination, and the bottom of this cylinder is screwed in the top of this urceolus, and this joint body is provided with a pore that is axial penetration state; This thimble is provided with a base portion, a pin section and more than one through hole, this base shaft is to being fixed in this inner core, this pin section axially is fixedly arranged on this base portion and evagination in the bottom of this inner core, and the external diameter of this pin section is less than the internal diameter of this inner core, and this each through hole is positioned at this base portion and is penetration state; The compressible earth's axis of this thimble spring is to being located in this pore and being resisted against this base portion and this cylinder; This cushion collar has elasticity and is sheathed on the bottom of this inner core; This valve nozzle is over against towards the pin section of this air connector and include a bearing, and place restrictions on pearl and and place restrictions on spring, this side that is seated against towards this pin section is provided with an abutting part, the shape of this abutting part and this cushion collar are complementary towards the shape of an end of this abutting part, this bearing is provided with an accommodating perforation that is axial penetration state, this is placed restrictions on pearl and is resisted against the bottom of this accommodating perforation and partly protrudes from this abutting part, and this is placed restrictions on the compressible earth's axis of spring and places restrictions on pearl to being located in this accommodating perforation and being tight against this.
The air feed structure of described air injection device for air pressure chuck, wherein, this cushion collar is convex arc-shape towards an end of this abutting part, and this abutting part is the arc concavity.
The air feed structure of described air injection device for air pressure chuck, wherein, this pin section evagination is in this cushion collar.
The air feed structure of air injection device for air pressure chuck provided by the utility model, the concrete benefit that can obtain and effect enhancement include at least:
1. reduction cost: because utilize connecing the gas joint and can carrying out gas injection and air-breathing operation being connected of valve nozzle of this two air supply unit, therefore do not need to arrange aluminium alloy distributing ring and the anti-rotation support of prior art, so can significantly save the time cost of production cost and installation.
2. airtight effect is good: because the butt place of this cushion collar and abutting part all is arcuation, thus utilize bogen structure to increase contact area between the butt place, and further stop gas leak, reach good airtight effect.
Further, this pin section evagination is in cushion collar, so pin section will place restrictions on after pearl supports downwards, the abutting part that cushion collar is resisted against this bearing just reaches airtight, cushion collar can be out of shape by the bearing excessive compression and make and produces the space between cushion collar and the bearing thus, so airtight effect is good.
Description of drawings
Fig. 1 is the stereo appearance figure that the utility model preferred embodiment is incorporated into headstock.
Fig. 2 is the side view of the utility model preferred embodiment.
Fig. 3 is a profile of the utility model preferred embodiment.
Fig. 4 is another profile of the utility model preferred embodiment.
Fig. 5 is the profile after the gas injection of the utility model preferred embodiment.
Fig. 6 is the part sectioned view before the gas injection of the utility model preferred embodiment.
Fig. 7 is the part sectioned view after the gas injection of the utility model preferred embodiment.
The drawing reference numeral explanation:
The specific embodiment
Below cooperate accompanying drawing and preferred embodiment of the present utility model, further setting forth the utility model is to reach the technological means that predetermined utility model purpose is taked.
The preferred embodiment of the air feed structure of a kind of air injection device for air pressure chuck provided by the utility model, as shown in Figure 1, it is installed on the headstock 10, includes two air supply units, 20 elements such as grade, wherein:
Such as Fig. 1, Fig. 3 and shown in Figure 6, this headstock 10 includes a headstock body 11, a main shaft 12, a compressed air chuck 13 and a pressure cylinder unit 14; These main shaft 12 transverse horizontal settings also are incorporated into a side of this headstock body 11 rotationally; This compressed air chuck 13 is incorporated into the free end of this main shaft 12; This compressed air chuck 13 roughly is cylindric and is provided with two gas ports 131 and a gas channel 132; This two gas port 131 is positioned at the end face of this compressed air chuck 13 and is recess, and this gas channel 132 is formed at these compressed air chuck 13 inside and communicates with this two gas port 131.
As shown in Figure 1 and Figure 2, this pressure cylinder unit 14 is positioned at the top of this compressed air chuck 13 and is provided with a holder 141, a cylinder pressure 142, a bogie 143 and a gas injection seat 144; This holder 141 is fixedly arranged on the end face of this headstock body 11, this cylinder pressure 142 is locked in the top of this holder 141, this bogie 143 is positioned at the below of this cylinder pressure 142 and is fixedly arranged on the cylinder pressure bar of this cylinder pressure 142, this bogie 143 can be driven and lifting by this cylinder pressure bar, this gas injection seat 144 is locked in the top of this holder 141, and this gas injection seat 144 forms two gas injection passages corresponding with this two air supply unit 20 respectively in inside.
To shown in Figure 4, this two air supply unit 20 is fixedly arranged on respectively this bogie 143 such as Fig. 2, and this two air supply unit 20 independently arranges, and independently arranges between the member that represents this two air supply unit 20 not interconnect; Each air supply unit 20 includes an air connector 21 and a valve nozzle 22, and wherein, this two air connector 21 is fixedly arranged on respectively this bogie 143, and this two valve nozzle 22 is fixedly arranged on respectively this two gas port 131;
Below be stated as single air connector 21 and single valve nozzle 22:
This air connector 21 includes a joint body 211, a thimble 212, a thimble spring 213 and a cushion collar 214; This joint body 211 includes a urceolus 2111, an inner core 2112 and a cylinder 2113, this inner core 2112 axially is fixed at these urceolus 2111 interior also evaginations in the bottom of this urceolus 2111, the bottom of this cylinder 2113 is screwed in the top of this urceolus 2111, the top of this cylinder 2113 is connected with this gas injection seat 144 and communicates, and this joint body 211 is provided with a pore 2114 that is axial penetration state;
This thimble 212 is provided with a base portion 2121, a pin section 2122 and a plurality of through hole 2123, this base portion 2121 axially is fixed in this inner core 2112, this pin section 2122 axially is fixedly arranged on this base portion 2121, and also evagination is in the bottom of this inner core 2112, and the external diameter of this pin section 2122 is less than the internal diameter of this inner core 2112; These a plurality of through holes 2123 are positioned at this base portion 2121 and are penetration state.
These thimble spring 213 compressible earth's axis are to being located in this pore 2114 and being resisted against this base portion 2121 and this cylinder 2113; This cushion collar 214 has elasticity and is sheathed on the bottom of this inner core 2112; Preferably, these pin section 2122 evaginations are in this cushion collar 214.
This valve nozzle 22 is over against towards the pin section 2122 of this air connector 21 and include a bearing 221, and place restrictions on pearl 222 and and place restrictions on spring 223, the outer peripheral face of this bearing 221 is fixed at the internal face of this gas port 131, and this bearing 221 is provided with an abutting part 2211 and an accommodating perforation 2212; This abutting part 2211 is positioned at this bearing 221 towards a side of this pin section 2122, and the shape of this abutting part 2211 and this cushion collar 214 are complementary towards the shape of an end of this abutting part 2211, and this accommodating perforation 2212 is axial penetration state; This is placed restrictions on pearl 222 and is resisted against the bottom of this accommodating perforation 2212 and partly protrudes from this abutting part 2211, and this is placed restrictions on the spring 223 compressible earth's axis and places restrictions on pearl 222 and this compressed air chuck 13 to being located in this accommodating perforation 2212 and being tight against this.
Preferably, this cushion collar 214 is convex arc-shape towards an end of this abutting part 2211, and this abutting part 2211 is the arc concavity.
Such as Fig. 4 and shown in Figure 5, the utility model driving compressed air chuck 13 unclamps or clamps when moving, and one of them air supply unit 20 is blown, and another air supply unit 20 is air-breathing.
Below narration is take the air supply unit 20 of air blowing as example, and gas injection seat 144 is connected with pneumatic supply with pipeline in advance, and main shaft 12 is stopped the rotation, and two gas ports, 131 rotations of compressed air chuck 13 extremely can be cooperated the position of two air connectors 21; Cylinder pressure 142 starts also make bogie 143 and air supply unit 20 declines.When the abutting part 2211 that is resisted against bearing 221 when cushion collar 214 reaches airtight, pin section 2122 just will place restrictions on pearl 222 and support downwards; At this moment because it is downward to place restrictions on pearl 222, can be compressed so place restrictions on spring 223, and pin section 2122 is subject to placing restrictions on the active force of pearl 222, thus pin section 2122 also can slightly descend, and so that thimble spring 213 slightly compress.
Next, the pneumatic supply gas injection, gas sequentially by the gap between pore 2114, pin section 2122 and the inner core 2112, place restrictions on the gap between pearl 222 and the accommodating perforation 2212, enter at last gas port 131 and gas channel 132.
The start of air-breathing air supply unit 20 is roughly identical with the air supply unit 20 of blowing, and just the flow direction of gas is opposite, is not described in detail at this.
Please further referring to Fig. 6 and Fig. 7, when gas flows into gas channel 132, utilize air pressure that compressed air chuck 13 is unclamped or clamps action, complete rear cylinder pressure 142 drivings two air connectors 21 are backed out the operation of namely finishing gas injection adjustment compressed air chuck 13 up.In addition, two air supply units 20 of the present utility model also can be blown simultaneously and be reached the action of unclamping or clamping.
The above only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, although the utility model discloses as above with preferred embodiment, yet be not to limit the utility model, any those skilled in the art, in the scope that does not break away from technical solutions of the utility model, should utilize the technology contents of above-mentioned announcement to make a little change or be modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, any simple modification that foundation technical spirit of the present utility model is done above embodiment, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (3)
1. the air feed structure of an air injection device for air pressure chuck, the headstock that it can be installed in a toolroom machine is characterized in that, includes:
One bogie, it can straight-line displacement; And
Two air supply units, it is fixedly arranged on this bogie, and this two air supply unit independently arranges and includes respectively an air connector and a valve nozzle, and this air connector includes a joint body, a thimble, a thimble spring, a cushion collar; This joint body includes a urceolus, an inner core and a cylinder, this inner core axially be fixed in this urceolus and evagination in the bottom of this urceolus, the bottom of this cylinder is screwed in the top of this urceolus, this joint body is provided with a pore that is axial penetration state; This thimble is provided with a base portion, a pin section and more than one through hole, this base shaft is to being fixed in this inner core, this pin section axially is fixedly arranged on this base portion and evagination in the bottom of this inner core, and the external diameter of this pin section is less than the internal diameter of this inner core, and this each through hole is positioned at this base portion and is penetration state; The compressible earth's axis of this thimble spring is to being located in this pore and being resisted against this base portion and this cylinder; This cushion collar has elasticity and is sheathed on the bottom of this inner core; This valve nozzle is over against towards the pin section of this air connector and include a bearing, and place restrictions on pearl and and place restrictions on spring, this side that is seated against towards this pin section is provided with an abutting part, the shape of this abutting part and this cushion collar are complementary towards the shape of an end of this abutting part, this bearing is provided with an accommodating perforation that is axial penetration state, this is placed restrictions on pearl and is resisted against the bottom of this accommodating perforation and partly protrudes from this abutting part, and this is placed restrictions on the compressible earth's axis of spring and places restrictions on pearl to being located in this accommodating perforation and being tight against this.
2. the air feed structure of air injection device for air pressure chuck according to claim 1 is characterized in that, this cushion collar is convex arc-shape towards an end of this abutting part, and this abutting part is the arc concavity.
3. the air feed structure of air injection device for air pressure chuck according to claim 1 and 2 is characterized in that, this pin section evagination is in this cushion collar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220274549 CN202667700U (en) | 2012-06-11 | 2012-06-11 | Air feed structure of air clamp gas injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220274549 CN202667700U (en) | 2012-06-11 | 2012-06-11 | Air feed structure of air clamp gas injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202667700U true CN202667700U (en) | 2013-01-16 |
Family
ID=47488633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220274549 Expired - Lifetime CN202667700U (en) | 2012-06-11 | 2012-06-11 | Air feed structure of air clamp gas injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202667700U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103480881A (en) * | 2013-07-25 | 2014-01-01 | 安庆市胜松源精密机械有限公司 | Hydraulic irregular chuck for automatic piston ring cutter |
-
2012
- 2012-06-11 CN CN 201220274549 patent/CN202667700U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103480881A (en) * | 2013-07-25 | 2014-01-01 | 安庆市胜松源精密机械有限公司 | Hydraulic irregular chuck for automatic piston ring cutter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130116 |
|
| CX01 | Expiry of patent term |