CN109202110A - the positioning chuck of automatic processing system - Google Patents
the positioning chuck of automatic processing system Download PDFInfo
- Publication number
- CN109202110A CN109202110A CN201811380753.4A CN201811380753A CN109202110A CN 109202110 A CN109202110 A CN 109202110A CN 201811380753 A CN201811380753 A CN 201811380753A CN 109202110 A CN109202110 A CN 109202110A
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- Prior art keywords
- upper cover
- detection
- blind rivet
- processing system
- automatic processing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000012545 processing Methods 0.000 title claims abstract description 25
- 238000001514 detection method Methods 0.000 claims abstract description 68
- 238000007789 sealing Methods 0.000 claims description 9
- 206010022000 influenza Diseases 0.000 claims description 2
- 238000011897 real-time detection Methods 0.000 abstract description 3
- BVPWJMCABCPUQY-UHFFFAOYSA-N 4-amino-5-chloro-2-methoxy-N-[1-(phenylmethyl)-4-piperidinyl]benzamide Chemical compound COC1=CC(N)=C(Cl)C=C1C(=O)NC1CCN(CC=2C=CC=CC=2)CC1 BVPWJMCABCPUQY-UHFFFAOYSA-N 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000009423 ventilation Methods 0.000 description 5
- 238000007689 inspection Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/002—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring the holding action of work or tool holders
- B23Q17/003—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring the holding action of work or tool holders by measuring a position
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
Abstract
The invention discloses the positioning chucks of automatic processing system, the upper cover of coaxial arrangement, lower cover, a cavity is formed on the upside of the lower concave of the upper cover and the lower cover between indent, piston and blind rivet are equipped in the cavity, the blind rivet is located on the axis of the upper cover and the lower cover, and the piston surrounds the blind rivet setting in a ring；Several detection stomatas are circular layout on the cover centered on the axis of the upper cover；It is one group with the equidistant several detection stomatas of the axis of the upper cover；The upper cover or the lower lid are equipped with two or more and detect air flue, and each detection air flue has respective air inlet；Each detection air flue is connected to same group of the detection stomata respectively.The present invention can be realized the real-time detection of chucking work state.
Description
Technical field
The present invention relates to mechanical clamp technical field, in particular to a kind of positioning card suitable for automatic processing system
Disk.
Background technique
In the prior art, chuck is a kind of common clamping positioning fixture.Existing miscellaneous chuck, different an example
It lifts.High rigidity, high accuracy positioning chuck be the key that realize machining automation tooling.Chuck to the adaptability of automation not
Foot, is difficult to realize closed loop for the operation for making automatic processing system, gently then workpiece to be processed is caused to be scrapped, heavy then cutter is caused to hit
Hit workpiece indirect injury machine tool chief axis.
Have a kind of chuck, by the way that air flue is arranged on the inside of chuck, identifies that chuck is according to the difference of air pressure in air flue
Releasing orientation is in locking state.This technical solution can tentatively meet the automatic control of automatic processing system
System requires.
For the utilization rate and suitability for improving chuck, a chuck is generally required to be suitable for a plurality of different rule in the prior art
The workpiece of lattice.When the workpiece for different size, the use of above-mentioned chuck just seems trouble.It is currently to need by manually adjusting
The gas outlet (by manually blocking part gas outlet) of whole air flue, could in the case where processing different size workpiece, according to
Air pressure identifies the working condition of chuck in air flue.
Since operating process needs artificial participation, these chucks in the prior art are all difficult to adapt to automatic processing system
Work pace.
In addition, existing chuck uses ball generally to lock the position of blind rivet.In actual use, it processes often
Clast enters inside chuck, locks the hole location where ball, causes the rotation of ball to be failed, chuck can not be opened, and workpiece can not
The case where taking-up.Such case is encountered, needs to remove on entire chuck, it, could be extensive after manual cleaning clast even replaces ball
Demutation produces.
Therefore, it is necessary to be improved to existing chuck, to overcome the deficiencies of existing technologies.
Summary of the invention
In view of the above drawbacks of the prior art, the present invention provides a kind of positioning chuck of automatic processing system,
One of technical purpose is that by the real-time detection to workpiece to be processed clamping state.
Another technical purpose of the invention is eliminated because machining chips enter the hidden danger that chuck causes ball to fail.
To achieve the above object, the invention discloses a kind of positioning chucks of automatic processing system, including coaxial arrangement
Upper cover, lower cover, a cavity is formed between the lower concave of the upper cover and the upside indent of the lower cover, in the cavity
Equipped with piston and blind rivet, the blind rivet is located on the axis of the upper cover and the lower cover, and the piston surrounds described in a ring
Blind rivet setting；Several detection stomata arrangements are on the cover；It is one group with the equidistant several detection stomatas of the axis；It is described
Upper cover or the lower lid are equipped with two or more and detect air flue, and each detection air flue has respective air inlet and gas source；It is each
The detection air flue is connected to same group of the detection stomata respectively.
Further, it is opened up on the mounting surface of the mounting surface of the upper cover or the lower cover fluted；When the upper cover, institute
When stating lower cover and closing up, the groove forms the detection air flue.
Further, the inner sidewall of the upper cover or the lower cover is equipped with venthole, the venthole and a pressure chamber
Connection；The position that the venthole is corresponded on the lateral wall of the piston is provided with several sealing rings；When the piston is described in
When axis moves reciprocatingly, the venthole is closed or is turned on, and the pressure of the pressure chamber changes.
Further, several detection stomatas are circular layout on the cover centered on the axis.
Further, when the piston is in workpiece locking state, the venthole is closed by the sealing ring；When described
When piston is in workpiece unlocked state, the venthole misplaces with the sealing ring and is turned on.
Further, several balls are provided between the piston and the blind rivet to form ball-bearing fit；It is described
Piston offers the annular groove of a perforation interior side ring surface on the interior side ring surface cooperated with the blind rivet；Several balls
It is arranged in the cavity of the annular groove, and there are gaps between the adjacent ball.
Further, the downside notch of the annular groove has chamfering or opening.
Beneficial effects of the present invention:
The present invention can be realized due to said structure design and be referred in particular to chucking work state to work with being fully automated
The real-time detection of the locking state of part.
Furthermore the present invention, due to said structure design, eliminating leads to the hidden of ball failure because machining chips enter chuck
Suffer from.
It is described further below with reference to technical effect of the attached drawing to design of the invention, specific structure and generation, with
It is fully understood from the purpose of the present invention, feature and effect.
Detailed description of the invention
Fig. 1 shows the structural schematic diagram in one embodiment of the invention on the upside of upper cover.
Fig. 2 shows the partial enlargement structural representations at A in Fig. 1 of the present invention.
Fig. 3 shows the structural schematic diagram in one embodiment of the invention on the downside of upper cover.
Fig. 4 shows the schematic diagram of the section structure when venthole is in close state in one embodiment of the invention.
Fig. 5 shows the partial enlargement structural representation in Fig. 4 of the present invention at B.
Fig. 6 shows the schematic diagram of the section structure when venthole is in the open state in one embodiment of the invention.
Fig. 7 shows the partial enlargement structural representation in Fig. 6 of the present invention at C.
Fig. 8 shows the schematic diagram of the section structure of upper cover cross section in one embodiment of the invention.
Specific embodiment
Embodiment 1:
As shown in Figure 1 to Figure 3, one specific embodiment of positioning chuck of automatic processing system of the invention, including upper cover 1
With lower cover 2, a cavity is formed between the lower concave of upper cover 1 and the upside indent of lower cover 2.
It is equipped with the piston 3 and blind rivet 4 moved axially in reciprocal fashion in cavity, blind rivet 4 is set to upper cover 1 and lower cover 2 is common
Axial location, piston 3 are arranged around blind rivet 4 in a ring.
As shown in Figure 1 and Figure 2, in the present embodiment, several detection stomatas 51 are circular layout centered on the axis of upper cover 1
In upper cover 1, specifically all detection stomatas 51 are all located on chuck and the joint face of workpiece locating plate (or supporting plate) locking.
This joint face is benchmark of the workpiece locating plate in Z-direction.Workpiece is locked on workpiece locating plate, and chuck is to the positioning accuracy of workpiece
It is generated with the upper cover 1 of chuck and workpiece locating plate, therefore the compactness by detecting this joint face is fixed to detect workpiece
The positioning of bit slice is effective.
Above-mentioned " being circular layout centered on axis ", radiuses must be waited by not being strict with.
In addition, all detection stomatas 51, which must pass through entire upper cover, forms access.
There are 12 detection stomatas 51 in the present embodiment (in other embodiments, quantity can be depending on chuck situation).
It is one group with the equidistant several detection stomatas of the axis of upper cover 1 in several detection stomatas 51；Will respectively with upper cover 1
Axial line distance be R1, R2, R3 multiple detection stomatas 51 be grouped.In the present embodiment, every 4 equidistant with the axis of upper cover 1
Detecting stomata is one group, totally three groups；It can be respectively designated as R1 group detection stomata, R2 group detection stomata, R3 group detection stomata.
In some other embodiment, can also there was only 3 detection stomata ventilations with every group；Alternatively, one group is 4 detection gas
Hole ventilation, in addition two groups are every group of 3 detection stomatas ventilations；Alternatively, one group is 3 detection stomata ventilations, in addition two groups are every
4 detection stomata ventilations of group；Etc..Its principle is that determine a plane at 3 points, as long as therefore three detections in same group
Stomata is to be blocked, so that it may judge that the fitting of fit two planes works well；There is one in three detection stomatas
The gas leakage in detection with pressure, so that it may judge that the fitting effect of fit two planes is bad.
As shown in figure 3, in the present embodiment, upper cover 1 with three detection air flues 5 are equipped on the faying face of lower cover 2, three are examined
R1 detection air flue, R2 detection air flue, R3 detection air flue can be respectively designated as by surveying air flue.
Each detection air flue 5 has respective air inlet 52 and gas source, as shown in figure 3, there is 3 air inlets 52.
Each detection air flue 5 is penetrated through with one group of detection stomata 51 respectively, specifically: R1 detects air flue and R1 group detects stomata
Perforation, R2 detection air flue and the perforation of R2 group detection stomata, R3 detection air flue and the detection stomata perforation of R3 group.
In other embodiments, detection air flue 5 is arranged in also possible on lower cover 2.Upper cover 1, lower cover 2 are only because of phase
Name for position.In short, detection air flue 5 is perhaps arranged in upper cover 1 or is arranged on lower cover 2.
Specifically, detection air flue 5 can be groove.Groove is provided on the mounting surface of upper cover 1 or the mounting surface of lower cover 2
On.When upper cover 1, lower cover 2 close up, groove just forms detection air flue 5.
In the present embodiment, due to said structure design, three independent gas circuits are formd on chuck.Each independent gas circuit by
5, one groups of the detection air flue detection stomata 51 of air inlet 52, one composition.Specifically: an air inlet 52, R1 detection air flue, the inspection of R1 group
Survey stomata；Another air inlet 52, R2 detection air flue, R2 group detect stomata；Another air inlet 52, R3 detection air flue, the detection of R3 group
Stomata.
The chuck of this patent can fully automatically be suitable for the work of the different plurality of specifications of radius due to said structure design
Part locating plate.
Firstly, workpiece is locked on workpiece locating plate in working condition.
When automatic processing system needs to process the first workpiece, it is fixed which is locked in corresponding R1 workpiece
On bit slice, R1 workpiece locating plate can be blocked on R1 group detection stomata；When R1 workpiece locating plate cannot block the inspection of R1 group completely
Stomata when above-mentioned joint face blow-by (i.e.) is surveyed, stomata is detected by gas source all the way, air inlet 52, R1 detection air flue, R1 group and is formed
Independent gas circuit can gas leakage (that is, the air pressure in gas circuit can reduce), illustrate to clamp not in place or clamp position bad；Automation adds
Work system can determine whether the first workpiece (actually corresponding R1 workpiece locating plate) by the air pressure of detection independent gas circuit
In place whether clamping.
When automatic processing system needs to process second of workpiece, it is fixed which is locked in corresponding R2 workpiece
On bit slice, R2 workpiece locating plate can be blocked on R2 group detection stomata；When R2 workpiece locating plate cannot block the inspection of R2 group completely
Stomata when above-mentioned joint face blow-by (i.e.) is surveyed, stomata is detected by gas source all the way, air inlet 52, R2 detection air flue, R2 group and is formed
Independent gas circuit can gas leakage (that is, the air pressure in gas circuit can reduce), illustrate to clamp not in place or clamp position bad；Automation adds
Work system can determine whether second of workpiece (actually corresponding R2 workpiece locating plate) by the air pressure of detection independent gas circuit
In place whether clamping.
When automatic processing system needs to process the third workpiece, it is fixed which is locked in corresponding R3 workpiece
On bit slice, R3 workpiece locating plate can be blocked on R3 group detection stomata；When R3 workpiece locating plate cannot block the inspection of R3 group completely
Stomata when above-mentioned joint face blow-by (i.e.) is surveyed, stomata is detected by gas source all the way, air inlet 52, R3 detection air flue, R3 group and is formed
Independent gas circuit can gas leakage (that is, the air pressure in gas circuit can reduce), illustrate to clamp not in place or clamp position bad；Automation adds
Work system can determine whether the third workpiece (actually corresponding R3 workpiece locating plate) by the air pressure of detection independent gas circuit
In place whether clamping.
Chuck of the invention is being suitable for the workpiece of different size (the first workpiece, second of work as escribed above as a result,
Part, the third workpiece) when, adjustment is participated in without artificial, automatic processing system can be allowed fully automatically to judge to workpiece
Whether in place clamping, meets the requirement of automatic processing system.
Radius R1, R2, R3 of three circle independent gas circuits are arranged according to various sizes of workpiece locating plate.
The quantity of air flue 5 is detected, in different embodiments can be different, the present embodiment is three, in other embodiments
It is also possible to two or four.If the steric requirements of chuck faying face allows, can arrange more a plurality of.
Embodiment 2:
The chuck of above-described embodiment can also have further improvement.
As shown in Figure 4, Figure 5, the components such as the chuck of the present embodiment, including upper cover 1, lower cover 2, piston 3, blind rivet 4.
Venthole 7 is equipped on the inner sidewall of upper cover 1 or lower cover 2, venthole 7 is connected to a pressure chamber.
The position that venthole 7 is corresponded on the lateral wall of piston 3 is provided with sealing ring 6 (can be with several).
When blind rivet 4 can move reciprocatingly with piston 3 along axis (restoring force is provided by spring in Fig. 4).With piston 3
Up and down motion, venthole 7 is closed or is turned on, and the pressure of pressure chamber changes.
Specifically, as shown in Figure 4, Figure 5, when blind rivet 4 is in workpiece locking state, venthole 7 is closed by sealing ring 6.
As shown in Figure 6, Figure 7, when blind rivet 4 is in workpiece unlocked state, venthole 7 misplaces with sealing ring 6 and is turned on.
Since said structure design enables venthole 7 closing by the pumping with piston 3 of blind rivet 4
Switch between state or open state, to influence the pressure change of pressure chamber.
Automatic processing system passes through the pressure change of automatic measurement pressure chamber, so that it may judge in chuck of the invention
The working condition of blind rivet improves the intelligence of automatic processing system.
Embodiment 3:
The chuck of above-described embodiment can also have further improvement.
As shown in Fig. 4, Fig. 6 and Fig. 8, the chuck of the present embodiment, in addition to components such as upper cover 1, lower cover 2, piston 3, blind rivets 4
Outside, several balls 9 are provided with, between piston 3 and blind rivet 4 to form ball-bearing fit.
Especially, piston 3 offers the annular groove 8 of a perforation interior side ring surface on the interior side ring surface cooperated with blind rivet 4；
Several balls 9 are arranged in the cavity of annular groove 8, and between adjacent ball 9 there are gap (that is, the diameter of all balls 9 it
With the circumference for being less than annular groove 8).
Nationality constrains ball 9 by the annular groove 8, and one kind is obtained between blind rivet 4 and piston 3 can effectively exclude clast
Ball-bearing fit.
When there is the rubbish such as machining chips to enter two adjacent balls, since there are gaps between adjacent ball, most
The ball for first touching clast will be displaced to gap direction without stuck by clast；And ball 9 rolls in annular groove 8
In the process, cleaning action is also played, small rubbish can be by the crowded slot for falling into lower section.
As shown in figure 4, in certain embodiments, the downside notch of annular groove 8 has chamfering 81 (or open).Due to setting
This chamfering (downside for showing as annular groove is inclined-plane), when there is the rubbish such as clast to enter annular groove 8, which more has
It is slid into conducive to clast in the slot of lower section, can preferably avoid ball stuck by rubbish.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be within the scope of protection determined by the claims.
Claims (7)
1. the positioning chuck of automatic processing system, upper cover (1), lower cover (2) including coaxial arrangement, under the upper cover (1)
A cavity is formed on the upside of side indent and the lower cover (2) between indent, is equipped with piston (3) and blind rivet (4), institute in the cavity
It states blind rivet (4) to be located on the axis of the upper cover (1) and the lower cover (2), the piston (3) surrounds the blind rivet in a ring
(4) it is arranged；It is characterized by:
Several detection stomatas (51) are arranged on the upper cover (1)；It is one with the equidistant several detection stomatas (51) of the axis
Group；
The upper cover (1) or the lower cover (2) are equipped with two or more detection air flues (5), and each detection air flue (5) has respective
Air inlet (52) and gas source；Each detection air flue (5) is connected to same group of the detection stomata (51) respectively.
2. the positioning chuck of automatic processing system according to claim 1, which is characterized in that the peace of the upper cover (1)
It is opened up on the mounting surface of dress face or the lower cover (2) fluted；It is described recessed when the upper cover (1), the lower cover (2) close up
Slot forms the detection air flue (5).
3. the positioning chuck of automatic processing system according to claim 1, which is characterized in that several detection stomatas
(51) it is circular layout centered on the axis on the upper cover (1).
4. the positioning chuck of automatic processing system according to any one of claims 1 to 3, which is characterized in that the upper cover
(1) or the inner sidewall of the lower cover (2) is equipped with venthole (7), and the venthole (7) is connected to a pressure chamber；The piston
(3) position that the venthole (7) is corresponded on lateral wall is provided with several sealing rings (6)；Described in being driven when the blind rivet (4)
When piston (3) moves reciprocatingly along the axis, the venthole (7) is closed or is turned on, the pressure hair of the pressure chamber
Changing.
5. the positioning chuck of automatic processing system according to claim 4, which is characterized in that the blind rivet (4) is in
When workpiece locking state, the venthole (7) is closed by the sealing ring (6)；When the blind rivet (4) is in workpiece unlocked state
When, the venthole (7) misplaces with the sealing ring (6) and is turned on.
6. the positioning chuck of automatic processing system according to claim 5, which is characterized in that the piston (3) and institute
It states and is provided with several balls (9) between blind rivet (4) to form ball-bearing fit；The piston (3) is matched with the blind rivet (4)
The annular groove (8) of a perforation interior side ring surface is offered on the interior side ring surface closed；Several balls (9) are arranged in the ring
In the cavity of shape slot (8), and there are gaps between the adjacent ball (9).
7. the positioning chuck of automatic processing system according to claim 6, which is characterized in that the annular groove (8)
Downside notch has chamfering (81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811380753.4A CN109202110B (en) | 2018-11-20 | 2018-11-20 | Positioning chuck of automatic processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811380753.4A CN109202110B (en) | 2018-11-20 | 2018-11-20 | Positioning chuck of automatic processing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109202110A true CN109202110A (en) | 2019-01-15 |
| CN109202110B CN109202110B (en) | 2023-11-24 |
Family
ID=64993256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811380753.4A Active CN109202110B (en) | 2018-11-20 | 2018-11-20 | Positioning chuck of automatic processing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109202110B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114043269A (en) * | 2021-11-30 | 2022-02-15 | 上海鑫隆烟草机械厂 | Flexible clamp system based on micro-deformation self-adaptive compensation positioning |
| CN114043265A (en) * | 2021-11-23 | 2022-02-15 | 上海鑫隆烟草机械厂 | Quick replacement's flexible adaptation positioner at zero point |
| CN114952652A (en) * | 2022-05-28 | 2022-08-30 | 苏州新火花机床有限公司 | Workpiece positioning state detection device and method |
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