CN212444766U - Air floatation jig for accurately positioning porous machining - Google Patents

Air floatation jig for accurately positioning porous machining Download PDF

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Publication number
CN212444766U
CN212444766U CN202021048866.7U CN202021048866U CN212444766U CN 212444766 U CN212444766 U CN 212444766U CN 202021048866 U CN202021048866 U CN 202021048866U CN 212444766 U CN212444766 U CN 212444766U
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China
Prior art keywords
air
air floatation
base
air supporting
workpiece
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Active
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CN202021048866.7U
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Chinese (zh)
Inventor
马骥
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Nantong Sinfong Precision Engineering Co ltd
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Nantong Sinfong Precision Engineering Co ltd
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Abstract

The utility model relates to an air supporting tool of porous class processing work piece accurate positioning, comprises a workbench, be equipped with the air supporting base on the workstation, left side cylinder block and right cylinder block, it has the ring channel to open in the centre of air supporting base, be equipped with the air supporting lid on the air supporting base, cover a plurality of apertures of evenly having arranged at the air supporting, a plurality of apertures communicate with each other and form the air chamber with the ring channel, install the cushion at die clamping cylinder's lower extreme, install left-handed die clamping cylinder through left cushion on left cylinder block, install right-handed die clamping cylinder through right cushion on right cylinder block. The utility model discloses form the air film between air supporting lid and air supporting layer board, the layer board and the work piece of suspension slide all around on the air film, have the workpiece surface not damaged, remove convenient, alignment accuracy, convenient operation's advantage.

Description

Air floatation jig for accurately positioning porous machining
The technical field is as follows:
the utility model relates to a cutting honing processing trade, especially a porous processing accurate positioning's air supporting tool device.
Background art:
honing is a cutting technique with wide application, and is widely used in manufacturing industries of ships, bearings, military industry, engineering machinery and the like. Along with the improvement of the product precision of customers, the method especially puts forward higher requirements on some porous cylinder body products.
At present, the demand of large piece multi-hole honing is increasing, and mass production is difficult to realize by a method of correcting hole positions by overcoming the friction force on a workpiece mounting surface due to the overweight of the workpiece or the gravity center shift caused by the asymmetry of the workpiece.
When honing, the center of the hole system is aligned, and the workpiece is generally moved on the template by overcoming the plane friction force by means of the external force of the positioning mandrel, but the workpiece is moved in a translation manner to scratch the workpiece contact surface to different degrees, so that how to make the workpiece contact surface relatively static when the workpiece is aligned is the key for preventing the surface of the workpiece from being scratched.
The invention content is as follows:
in order to overcome the defects of the existing equipment, the air floatation jig for porous machining and accurate positioning is convenient to move, accurate in alignment, complete and free of damage to workpieces and convenient to operate.
The purpose of the utility model is realized through the following technical scheme: the utility model provides an air supporting plate tool, includes workstation 11 be equipped with air supporting base 12, left cylinder block 3 and right cylinder block 4 on the workstation 11 open there is ring channel 16 in the centre of air supporting base 12 be equipped with air supporting lid 10 and air supporting plate 9 on the air supporting base 12 evenly arrange a plurality of apertures 17 on the air supporting lid 10, it is a plurality of aperture 17 communicates with each other and forms the air chamber with ring channel 16 install air velocity control valve 15 on the air supporting base 12, air velocity control valve 15 communicates with each other with ring channel 16 on the air supporting base 12 for the air input is adjusted left-handed tight cylinder 1 is installed through left cushion 2 on the left cylinder block 3 right-handed tight cylinder 6 is installed through right cushion 5 on the right cylinder block 4.
The utility model discloses a further improvement lies in: and a sealing device is arranged between the contact surfaces of the air floatation base 12 and the air floatation cover 10, and is a sealing gasket, so that the sealing performance of the air floatation base between the air floatation cover is guaranteed, and the air leakage phenomenon is avoided.
The utility model discloses a further improvement lies in: two front positioning blocks are symmetrically arranged on the front side of the air floatation supporting plate, and a left positioning block is arranged on the left side of the air floatation supporting plate, so that the workpiece can be conveniently roughly positioned when being installed on the air floatation supporting plate.
Compared with the prior art, the utility model has the advantages of it is following:
by adopting a small hole throttling principle, external compressed gas passes through the small throttling hole to form an air film between the air floating cover and the air floating supporting plate, when the positioning mandrel is inserted into the workpiece machining hole for positioning, the suspended supporting plate and the workpiece slide on the air film in all directions, the positioning mandrel is convenient to align the center of the workpiece, the surface of the workpiece is not damaged, the quality of the workpiece is ensured, the universality is good, and the positioning mandrel is suitable for mass production.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view taken along line S of FIG. 1;
fig. 3 is a top view of the present invention;
fig. 4 is a perspective view of the present invention;
reference numbers in the figures: 1-left-handed clamping cylinder, 2-left cushion block, 3-left cylinder block, 4-right cylinder block, 5-right cushion block, 6-right-handed clamping cylinder, 7-positioning mandrel, 8-workpiece, 9-air floating supporting plate, 10-air floating cover, 11-workbench, 12-air floating base, 13-front positioning block, 14-left positioning block, 15-air speed control valve, 16-annular groove and 17-small hole.
The specific implementation mode is as follows:
in order to deepen the understanding of the present invention, the present invention will be further described in detail with reference to the following embodiments and the attached drawings, and the embodiments are only used for explaining the present invention, and do not constitute the limitation to the protection scope of the present invention.
Fig. 1 to 4 show a specific embodiment of an air floatation jig for precisely positioning a porous workpiece: the air floatation device comprises a workbench 11, wherein an air floatation base 12, a left air cylinder seat 3 and a right air cylinder seat 4 are arranged on the workbench 11, an annular groove 16 is formed in the middle of the air floatation base 12, an air floatation cover 10 and an air floatation supporting plate 9 are arranged on the air floatation base 12, a plurality of small holes 17 are uniformly distributed in the air floatation cover 10, the small holes 17 are communicated with the annular groove 16 to form an air chamber, an air speed control valve 15 is arranged on the air floatation base 12, the air speed control valve 15 is communicated with the annular groove 16 in the air floatation base 12 and used for adjusting air inflow, a left-handed clamping air cylinder 1 is arranged on the left air cylinder seat 3 through a left cushion block 2, and a right-handed clamping air cylinder 6 is arranged on the right air cylinder seat 4 through a right cushion block 5; a sealing device is arranged between the contact surfaces of the air floatation base 12 and the air floatation cover 10, and the sealing device is a sealing gasket, so that the sealing performance between the air floatation base and the air floatation cover is guaranteed, and the air leakage phenomenon is avoided; two front positioning blocks 13 are symmetrically arranged on the front side of the air floatation supporting plate 9, and a left positioning block 14 is arranged on the left side of the air floatation supporting plate, so that the workpiece can be conveniently roughly positioned when being installed on the air floatation supporting plate.
The positioning and clamping process is as follows:
a. firstly, a workpiece 8 is arranged on an air floatation supporting plate 9 and leans against a left positioning block 14 and two front positioning blocks 13 for rough positioning;
b. introducing external air decompressed by the pressure reducing valve, entering an air chamber in the middle of the air floatation base 12 from the air speed control valve 15, forming an air film between the air floatation cover 10 and the air floatation supporting plate 9 through a plurality of rows of small holes uniformly distributed on the air floatation cover 10, and suspending the air floatation supporting plate 9 and the workpiece together by utilizing static pressure generated by the air film;
c. a servo motor drives a workbench 11 to move to a positioning middle position for transposition, a lifting cylinder drives a positioning mandrel 7 with a guide taper at the front end to be inserted into a first processing hole of a workpiece 8, and a suspended air floatation supporting plate 9 and the workpiece 8 slide on an air film in a front-back and left-right direction, so that the positioning mandrel 7 can accurately position the processing hole 8 of the workpiece, and if the positioning mandrel 7 cannot be inserted into the processing hole, the machine tool alarms and stops;
d. after the workpiece 8 is positioned, the electromagnetic valve cuts off the air source of the air floatation base 12, two left and right rotary cylinders on the workbench 11 simultaneously rotate to clamp the workpiece 8, then the lifting cylinder drives the positioning mandrel 7 to return, and the positioning mandrel 7 is separated from the workpiece 8;
e. maintaining the clamping state of the workpiece 8, and moving the machining hole of the workpiece 8 to a honing center for honing;
f. after the honing of the first hole of the workpiece 8 is finished, the workbench 11 drives the jig to move the second hole on the workpiece 8 to the center of the positioning mandrel 7, two left and right clamping cylinders on the jig simultaneously loosen the workpiece 8, and then the steps b-f are repeated;
g. and finishing the honing processing of other holes in sequence.
The utility model discloses a pinhole throttle principle passes through the throttle aperture with outside compressed gas, forms the air film between air supporting lid and air supporting layer board, when the positioning core axle is inserted the work piece processing downthehole location, the layer board and the work piece of suspension slide all around on the air film, make things convenient for positioning core axle alignment work piece center, and the quality of work piece has been guaranteed to the workpiece surface not damaged, and the tool commonality is good, is applicable to mass production.
The applicant further states that the present invention is described by the above embodiments, but the present invention is not limited to the above embodiments, i.e. the present invention is not limited to the above embodiments, and the present invention can be implemented only by relying on the above methods and structures. It should be clear to those skilled in the art that any improvement of the present invention is to the present invention, and the addition of the equivalent replacement of the implementation method and the steps, the selection of the specific mode, etc. all fall within the protection scope and the disclosure scope of the present invention.
The utility model discloses not limited to above-mentioned embodiment, all adopt and the utility model discloses similar structure and method realize the utility model discloses all modes of purpose all are within the protection scope of the utility model.

Claims (4)

1. The utility model provides an air supporting tool for porous processing accurate positioning, includes workstation (11), its characterized in that: an air floatation base (12), a left cylinder seat (3) and a right cylinder seat (4) are arranged on the workbench (11), an annular groove (16) is arranged in the middle of the air floatation base (12), an air floatation cover (10) and an air floatation supporting plate (9) are arranged on the air floatation base (12), a plurality of small holes (17) are uniformly distributed on the air floating cover (10), the small holes (17) are communicated with the annular groove (16) to form an air chamber, an air speed control valve (15) is arranged on the air floatation base (12), the air speed control valve (15) is communicated with an annular groove (16) on the air floatation base (12) and is used for adjusting air inflow, a left-handed clamping cylinder (1) is arranged on the left cylinder seat (3) through a left cushion block (2), and a right-handed clamping cylinder (6) is arranged on the right cylinder seat (4) through a right cushion block (5).
2. The air floatation jig for porous machining accurate positioning according to claim 1, characterized in that: a sealing device is arranged between the contact surfaces of the air floatation base (12) and the air floatation cover (10).
3. The air floatation jig for porous machining accurate positioning according to claim 2, characterized in that: the sealing device is a sealing gasket.
4. The air floatation jig for porous machining accurate positioning according to claim 1, characterized in that: two front positioning blocks (13) are symmetrically arranged on the front surface of the air floating supporting plate (9), and a left positioning block (14) is arranged on the left side.
CN202021048866.7U 2020-06-08 2020-06-08 Air floatation jig for accurately positioning porous machining Active CN212444766U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021048866.7U CN212444766U (en) 2020-06-08 2020-06-08 Air floatation jig for accurately positioning porous machining

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021048866.7U CN212444766U (en) 2020-06-08 2020-06-08 Air floatation jig for accurately positioning porous machining

Publications (1)

Publication Number Publication Date
CN212444766U true CN212444766U (en) 2021-02-02

Family

ID=74491768

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021048866.7U Active CN212444766U (en) 2020-06-08 2020-06-08 Air floatation jig for accurately positioning porous machining

Country Status (1)

Country Link
CN (1) CN212444766U (en)

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