CN202507001U - Adjusting rod for accurately adjusting pressure of gas static pressure chuck - Google Patents
Adjusting rod for accurately adjusting pressure of gas static pressure chuck Download PDFInfo
- Publication number
- CN202507001U CN202507001U CN 201220024912 CN201220024912U CN202507001U CN 202507001 U CN202507001 U CN 202507001U CN 201220024912 CN201220024912 CN 201220024912 CN 201220024912 U CN201220024912 U CN 201220024912U CN 202507001 U CN202507001 U CN 202507001U
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- pressure
- bar
- rod member
- rod
- adjusting rod
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Abstract
The utility model relates to the technical field of laser micromachining and discloses an adjusting rod for accurately adjusting the pressure of a gas static pressure chuck. The adjusting rod is characterized by comprising knobs connected in sequence and a rod extending into an air cavity, wherein the rod is provided with a thread section of which the starting end of the thread section is provided with a sealing device, a micrometer head is arranged between the knobs and the rod, and micrometer scales are arranged on the rod. The adjusting rod has the following characteristics: 1. a rotating head similar to the micrometer head is arranged at the rear end, an indicator is marked on a rotating part, the surface of the adjusting rod corresponding to the indicator is marked with scales, the minimum scale of each grid is 1mu m, the stretching quantity of the adjusting rod can be controlled accurately, thereby accurately controlling the pressure of the air cavity; 2. the adjusting rod is provided with a seal ring groove and an O-shaped seal ring is used for sealing, so the sealing effect is good; 3. manual adjustment can be implemented without using any tool; and 4. the adjustment is convenient and the durability is good.
Description
Technical field
The utility model relates to the laser micro-machining technology field, relates in particular to a kind of accent bar of accurate adjustments of gas static pressure chuck air pressure.
Background technology
The gas-static chuck of self-adapting tube caliber profile, be that the gas of certain pressure is imported in the specific sealed air-space that is designed, gas pressurized makes chuck clamp tubing.During importing gas as shown in Figure 1, gas pressure is regulated through transferring bar 31, and transferring bar 31 to regulate air cavity pressure sizes is to move forward and backward through it, and corresponding air cavity 10 volume size are changed, and under the constant situation of the gas flow that feeds, has changed the pressure of gas.When air inflow was constant, it was long more to transfer bar 31 to put in, and corresponding air cavity 10 volumes are more little, and the air pressure that flows to this road air cavity is with regard to bigger (pressure direction is shown in the direction of arrow among Fig. 1), and vice versa.Common accent bar 31 commonly used is as shown in Figure 2, and this accent bar 31 has following deficiency:
(1) need transfer one section screw thread of length of bar 31 rear ends processing, fine thread end 71 in promptly scheming, the accent pole spacing circle 61 that sealing ring 51 is installed is made of one with transferring bar, causes common accent bar 31 body diameters bigger;
(2) this common accent bar 31 only revolves turn around (pitch) with it and makes and transfer the flexible segment distance of bar, is difficult to accurately control and transfers the flexible distance of bar, causes the pressure control inaccuracy of each air cavity, influences the stationarity and the kinematic accuracy of clamping; The gas flow that leads to each road air cavity is difficult to accurate control, causes spiral air cavity 10 formed atmospheric pressures not wait, and the clamping force that causes producing is inhomogeneous;
(3) only rely on sealing ring 51 sealings, air-tightness is bad;
(4) knurled knob 41 of common accent bar 31 must come the turn operation through instrument, and a moving week of revolution is transferred the flexible pitch of bar, causes operation inconvenience.
The utility model content
The technical problem that (one) will solve
The technical problem that the utility model will solve provides a kind of novel accent bar, can accurately control gas flow, solves the clamping force problem of non-uniform that exists when common accent bar is regulated.
(2) technical scheme
In order to solve the problems of the technologies described above; The utility model provides a kind of accent bar of accurate adjustments of gas static pressure chuck air pressure; It is characterized in that; Comprise: the knob that connects successively and be used to stretch into the rod member of air cavity, said rod member is provided with thread segment, and the initial end of said thread segment is provided with sealing device;
Be provided with the differential head between said knob and the said rod member, said rod member is provided with the differential scale.
Wherein, the thread segment front end of said rod member also is connected with deep section that matees with said air cavity.
Wherein, said sealing device comprises the O RunddichtringO, and said rod member and said O RunddichtringO connecting portion are provided with annular groove, are used to block said O RunddichtringO.
Wherein, the accuracy of said differential scale is 1um.
Wherein, said knob is a knurled knob.
Wherein, transfer the ventilation inlet of the air cavity of bar to be provided with the gas electronic flowmeter.
(3) beneficial effect
The accent bar of a kind of accurate adjustments of gas static pressure chuck air pressure that technique scheme provided; It is characterized in that; Comprise: the knob that connects successively and be used to stretch into the rod member of air cavity, said rod member is provided with thread segment, and the initial end of said thread segment is provided with sealing device; Be provided with the differential head between said knob and the said rod member, said rod member is provided with the differential scale.Its characteristics are following: the swivel head that is similar to the differential head is adopted in (1) rear end, and rotating part indicates pointer, is carved with scale on the accent bar surface of pointer correspondence, and doing down scale is a lattice 1um, can accurately control the stroke of transferring bar, thereby accurately control air cavity pressure; (2) have seal groove on the accent bar, adopt the O-ring seals sealing, good sealing effect.(3) need not any instrument, manual adjustments; (4) easy to adjust, durable in use.
Description of drawings
Fig. 1 is the structural representation that gas-static is regulated chuck in the prior art;
Fig. 2 is the structural representation that bar is transferred in adjusting of the prior art;
Fig. 3 is the accent bar structural representation of the accurate adjustments of gas static pressure chuck air pressure that provides of the utility model embodiment;
Wherein, 1: the chuck shell; 2: spiral grooves; 3: transfer bar; 31: transfer bar; 32: transfer bar; 41: knurled knob; 42: knurled knob; 51: sealing ring; 61: transfer the pole spacing circle; 62:O shape sealing ring; 71: the fine thread end; 72: the fine thread end; 82: the differential head; 92: go deep into section; 10: air cavity.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the utility model is described in further detail.Following examples are used to explain the utility model, but are not used for limiting the scope of the utility model.
In conjunction with Fig. 1 and shown in Figure 3, the accent bar 32 of a kind of accurate adjustments of gas static pressure chuck air pressure that the utility model embodiment provides comprises: the knob that connects successively and be used to stretch into the rod member of air cavity, rod member is provided with thread segment.In conjunction with knob among Fig. 3 is knurled knob 42, and its width is convenient to the operator and is manually regulated accurately greater than the width of operator's finger; And thread segment is a fine thread end 72, is convenient to the adjusting inlet coupling with the gas-static chuck.And the initial end of thread segment is provided with sealing device; Be provided with differential head 82 between knurled knob 42 and the rod member, rod member is provided with the differential scale.
During importing gas as shown in Figure 1, gas pressure is regulated through transferring bar 32, and transferring bar 32 to regulate air cavitys 10 pressure sizes is to move forward and backward through it, and corresponding air cavity 10 volume size are changed, and under the constant situation of the gas flow that feeds, has changed the pressure of gas.When air inflow was constant, it was long more to transfer bar 32 to put in, and corresponding air cavity volume is more little, and the air pressure that flows to this road air cavity 10 is just big more, and vice versa.
The thread segment front end of rod member also is connected with deep section 92 that matees with air cavity.It is simple in structure, thereby the length of going deep into air cavity 10 is regulated the volume adjustments of gas pressure size in the air cavity 10.
Sealing device comprises O RunddichtringO 62, and rod member and O RunddichtringO 62 connecting portions are provided with annular groove (as shown in Figure 3), are used to block O RunddichtringO 62.
Present embodiment is preferred, and the accuracy of differential scale is 1um, can be so that the adjustment precision is higher.
Transfer the ventilation inlet of the air cavity of bar to be provided with the gas electronic flowmeter, the gas pressure situation in can more effective accurate understanding air cavity 10 is convenient to adjust timely.
Can find out by above embodiment; The accent bar of a kind of accurate adjustments of gas static pressure chuck air pressure that the utility model embodiment provides; Comprise: the knob that connects successively and be used to stretch into the rod member of air cavity, rod member is provided with thread segment, and the initial end of thread segment is provided with sealing device; Be provided with the differential head between knob and the rod member, rod member is provided with the differential scale.This regulating rod, its characteristics are following:
(1) swivel head that is similar to the differential head is adopted in the rear end, and rotating part indicates pointer, is carved with scale on the accent bar surface of pointer correspondence, and doing down scale is a lattice 1um, can accurately control the stroke of transferring bar, thereby accurately control air cavity pressure; (2) have seal groove on the accent bar, adopt the O-ring seals sealing, good sealing effect.(3) need not any instrument, manual adjustments; (4) easy to adjust, durable in use.
The new-type accent bar of each air cavity is led in above-mentioned control, can well realize leading to the accurate control of each air cavity air pressure, makes chucking power evenly, steadily, and is little to the clamping damage of tubing.
The above only is the preferred implementation of the utility model; Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model know-why, can also make some improvement and replacement, these improvement and replacement also should be regarded as the protection domain of the utility model.
Claims (6)
1. the accent bar of an accurate adjustments of gas static pressure chuck air pressure is characterized in that, comprising: the knob that connects successively and be used to stretch into the rod member of air cavity, and said rod member is provided with thread segment, and the initial end of said thread segment is provided with sealing device;
Be provided with the differential head between said knob and the said rod member, said rod member is provided with the differential scale.
2. the accent bar of accurate adjustments of gas static pressure chuck air pressure according to claim 1 is characterized in that, the thread segment front end of said rod member also is connected with deep section that matees with said air cavity.
3. the accent bar of accurate adjustments of gas static pressure chuck air pressure according to claim 2 is characterized in that said sealing device comprises the O RunddichtringO, and said rod member and said O RunddichtringO connecting portion are provided with annular groove, are used to block said O RunddichtringO.
4. the accent bar of accurate adjustments of gas static pressure chuck air pressure according to claim 1 is characterized in that the accuracy of said differential scale is 1um.
5. the accent bar of accurate adjustments of gas static pressure chuck air pressure according to claim 1 is characterized in that said knob is a knurled knob.
6. according to the accent bar of each described accurate adjustments of gas static pressure chuck air pressure in the claim 1 to 5, it is characterized in that, transfer the ventilation inlet of the air cavity of bar to be provided with the gas electronic flowmeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220024912 CN202507001U (en) | 2012-01-19 | 2012-01-19 | Adjusting rod for accurately adjusting pressure of gas static pressure chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220024912 CN202507001U (en) | 2012-01-19 | 2012-01-19 | Adjusting rod for accurately adjusting pressure of gas static pressure chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202507001U true CN202507001U (en) | 2012-10-31 |
Family
ID=47059506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220024912 Expired - Fee Related CN202507001U (en) | 2012-01-19 | 2012-01-19 | Adjusting rod for accurately adjusting pressure of gas static pressure chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202507001U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913554A (en) * | 2012-11-01 | 2013-02-06 | 昆山允可精密工业技术有限公司 | Fine-regulating rod for hydrostatic platform |
| CN103212907A (en) * | 2012-01-19 | 2013-07-24 | 昆山思拓机器有限公司 | Regulating rod for accurately regulating gas pressure of gas static pressure chuck |
-
2012
- 2012-01-19 CN CN 201220024912 patent/CN202507001U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103212907A (en) * | 2012-01-19 | 2013-07-24 | 昆山思拓机器有限公司 | Regulating rod for accurately regulating gas pressure of gas static pressure chuck |
| CN102913554A (en) * | 2012-11-01 | 2013-02-06 | 昆山允可精密工业技术有限公司 | Fine-regulating rod for hydrostatic platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121031 Termination date: 20200119 |