CN113618652A - Clamping tool for real-time detection of fitting performance of small positioning surface - Google Patents
Clamping tool for real-time detection of fitting performance of small positioning surface Download PDFInfo
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- CN113618652A CN113618652A CN202110897708.1A CN202110897708A CN113618652A CN 113618652 A CN113618652 A CN 113618652A CN 202110897708 A CN202110897708 A CN 202110897708A CN 113618652 A CN113618652 A CN 113618652A
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- positioning surface
- small positioning
- fixing
- clamping tool
- clamp
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention relates to the technical field of turbine blade machining, and particularly discloses a clamping tool for detecting the fitting performance of a small positioning surface in real time, which comprises a supporting seat, a clamp which is installed in a matched manner with the small positioning surface and is provided with an installation groove, and a pneumatic detection device which is used in a matched manner with the clamp; be provided with the intake duct of one end and mounting groove intercommunication on the anchor clamps, the other one end and the pneumatic detection device's of intake duct gas-supply pipe are connected. The invention can detect the clearance between the small positioning surface and the positioning contact surface of the mounting groove in real time, and is convenient for adjusting parameters or pressing force in time during processing; thereby promoting the stability of the product and reducing the debugging difficulty of the product.
Description
Technical Field
The invention relates to the technical field of turbine blade machining, in particular to a clamping tool for detecting the fitting performance of a small positioning surface in real time.
Background
In the processing of the sawtooth surface of the blade crown of the high-temperature turbine blade, the positioning surface is small, the positioning surface is possibly not in place in the clamping process, and the feeler gauge is adopted for checking, so that the local checking is not in place, a detection false image is caused, and the final processing size is influenced.
In the prior art, in the process of clamping a workpiece, a feeler gauge is adopted to inspect a reference surface of the workpiece and a positioning contact surface of a clamp, and the feeler gauge and an eye measurement mode are adopted to monitor the workpiece before processing at present. The feeler gauge is adopted, detection errors of 0.01-0.02 mm sometimes occur, and visual inspection is performed to detect whether light leakage exists on the binding surface at most. In addition, in any of these methods, inspection can be performed only from a place where inspection is available, and a place where the feeler cannot be seen cannot be determined. This can lead to an increased risk of quality of the workpiece and a low product yield. The work piece is in the course of working, can't judge whether work piece locating surface squints with not contact because cutting force makes work piece and anchor clamps contact surface clearance when increasing, this is unable discovery to influence the stable form of product, increased the debugging degree of difficulty of product.
Disclosure of Invention
The invention aims to solve the technical problem of providing a clamping tool for detecting the fitting performance of a small positioning surface in real time, which can detect the gap between the small positioning surface and a contact surface in real time and is convenient for adjusting parameters or pressing force in time during processing; thereby promoting the stability of the product and reducing the debugging difficulty of the product.
The technical problem to be solved by the invention is as follows:
a clamping tool for real-time detection of the fitting performance of a small positioning surface comprises a supporting seat, a clamp which is installed in a matched mode with the small positioning surface and is provided with an installation groove, and a pneumatic detection device which is used in a matched mode with the clamp; be provided with the intake duct of one end and mounting groove intercommunication on the anchor clamps, the other one end and the pneumatic detection device's of intake duct gas-supply pipe are connected.
The workpiece is fixed through the supporting seat, and the small positioning surface is installed in the installation groove, so that the product cannot be displaced during detection; then, gas is conveyed into the gas inlet channel through a pneumatic detection device; if the small positioning surface is attached to the side surface of the mounting groove, the air pressure displayed by a pressure gauge of the pneumatic detection device is normal; if a gap exists between the small positioning surface and the side surface of the mounting groove, the air inlet hole leaks air, and the air pressure displayed by the pressure gauge is abnormal; when the device is adopted, the abnormal contact surface between the small positioning surface and the clamp can be quickly responded, so that the parameter adjustment or the pressing force adjustment can be conveniently carried out in time; thereby the stable form of product has been promoted, has reduced the debugging degree of difficulty of product, obtains effectual control to product processingquality's stability.
In some possible embodiments, in order to effectively realize the positioning and clamping of the small positioning surface;
the mounting groove comprises a clearance groove, a first inclined plane and a second inclined plane which are respectively connected with the two sides of the opening end of the clearance groove; the inlet duct is two sets ofly, one of them group with pass inclined plane one and communicate with the mounting groove, another group passes inclined plane two and communicates with the mounting groove.
In some possible embodiments, in order to effectively realize air supply between the small positioning surface and the abutting surface of the mounting groove;
the air inlet channel comprises an air duct with one end communicated with the mounting groove and an air transmission pipeline communicated with the other end of the air duct and connected with an air transmission pipe.
In some possible embodiments, the product is supported and fixed for effective realization;
the supporting seat comprises a base, a first supporting component arranged on the base, a second supporting component positioned between the first supporting component and the clamp, and two fixing mechanisms arranged on two sides of the clamp.
In some possible embodiments, the first support assembly includes a first fixing seat, and a cover plate installed on the first fixing seat; and a bulge for fixing the tenon tooth part is arranged on the first fixing seat.
In some possible embodiments, in order to effectively achieve the fixation of the workpiece in the vertical direction;
the cover plate comprises a screw rod, a spring, a cover plate and a screw cap, wherein one end of the screw rod is installed on the first fixing seat and is positioned on one side, far away from the clamp, of the bulge; the cover plate is positioned above the protrusions.
In some possible embodiments, for effective fixation to the workpiece;
the first support component further comprises a side fixing component arranged on the base.
In some possible embodiments, the support assembly further comprises a second fixing seat mounted on the base, and a press-connection part hinged with the second fixing seat.
In some possible embodiments, a crimping installation groove in a U-shaped structure is arranged on the second fixing seat; the crimping part comprises a V-shaped connecting part which is of a V-shaped structure and is arranged in the crimping mounting groove, a rotating shaft for connecting the second fixed seat and the V-shaped connecting part, and connecting plates respectively connected with the V-shaped connecting part; the rotating shaft is rotatably connected with the vertex of the V-shaped connecting part.
In some possible embodiments, the two fixing mechanisms are identical in structure and are symmetrically arranged; the fixing mechanism comprises a third L-shaped fixing seat, a telescopic mechanism which is arranged on the third fixing seat and is close to or far away from the clamp, and a cushion block which is arranged at one end of the telescopic mechanism close to the fixing seat.
Compared with the prior art, the invention has the beneficial effects that:
the pneumatic detection device is connected with the air inlet channel, so that the fitting performance of the small positioning surface of the product is detected; compared with the prior art, the invention can effectively improve the detection precision;
the invention can detect in real time, and correct the contact condition of the small positioning surface, the first inclined surface and the second inclined surface by adjusting cutting parameters or changing the pressing force when abnormality occurs, thereby improving the stability of the product and reducing the debugging difficulty of the product.
The invention has simple structure and strong practicability.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a cross-sectional view of the clamp of the present invention;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3;
FIG. 5 is a schematic cross-sectional view of a second supporting assembly according to the present invention.
Wherein: 1. a supporting seat; 11. a first support component; 111. a first fixed seat; 112. a screw; 113. a spring; 114. a cover plate; 115. a nut; 116. a side fixing component; 12. a second support component; 121. a second fixed seat; 122. a V-shaped connecting part; 123. a connecting plate; 124. a rotating shaft; 13. a fixing mechanism; 131. a third fixed seat; 132. a telescoping mechanism; 133. cushion blocks; 2. a clamp; 21. an air inlet channel; 211. an air duct; 212. a gas pipeline; 22. mounting grooves; 221. a clearance groove; 222. a first inclined plane; 223. and a second inclined plane.
Detailed Description
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship.
Reference herein to "first," "second," and similar words, does not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.
In the implementation of the present application, "and/or" describes an association relationship of associated objects, which means that there may be three relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In the description of the embodiments of the present application, the meaning of "a plurality" means two or more unless otherwise specified. For example, the plurality of positioning posts refers to two or more positioning posts. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The present invention will be described in detail below.
As shown in fig. 1-5:
a clamping tool for detecting the fitting performance of a small positioning surface in real time is characterized in that the small positioning surface is a sawtooth surface in the radial direction of a blade crown, wherein the blade crown is sequentially connected with a molded surface and a tenon tooth part; comprises a supporting seat, a clamp 2 which is installed in a matching way with a sawtooth surface and is provided with an installation groove 22, and a pneumatic detection device which is used in a matching way with the clamp 2; be provided with the intake duct 21 of one end and mounting groove 22 intercommunication on anchor clamps 2, the other one end and the pneumatic detection device's of intake duct 21 gas-supply pipe are connected.
The molded surface and the tenon tooth part are fixed through the supporting seat 1, and the supporting seat 1 described herein can be provided with any structure capable of realizing fixation, and a small positioning surface is arranged in the mounting groove 22, so that a product cannot be displaced during detection; then, gas is conveyed into the air inlet channel 21 through a pneumatic detection device; if the small positioning surface is attached to the side surface of the mounting groove 22, the air pressure displayed by a pressure gauge of the pneumatic detection device is normal; if a gap exists between the small positioning surface and the side surface of the mounting groove 22, the air inlet channel 21 leaks air, and the air pressure displayed by the pressure gauge is abnormal; when the device is adopted, the abnormal contact surface between the small positioning surface and the clamp 2 can be quickly responded, so that the parameter adjustment or the pressing force adjustment can be conveniently carried out in time; thereby the stable form of product has been promoted, has reduced the debugging degree of difficulty of product, obtains effectual control to product processingquality's stability.
In some possible embodiments, in order to effectively realize the positioning and clamping of the small positioning surface;
as shown in fig. 3 and 4, the mounting groove 22 includes a recess 221, and a first inclined surface 222 and a second inclined surface 223 respectively connected to two sides of an opening end of the recess 221; the air inlet channels 21 are divided into two groups, wherein one group is communicated with the installation groove 22 by penetrating through the first inclined surface 222, and the other group is communicated with the installation groove 22 by penetrating through the second inclined surface 223.
The clearance groove 221 is a clearance groove in order to avoid interference between the small positioning surface and the jig.
The air inlet channels 21 are two groups and are respectively connected with the two groups of pneumatic detection devices, so that simultaneous detection of two sawtooth surfaces is realized, and the detection efficiency is improved.
The clearance groove 221, the first inclined surface 222 and the second inclined surface 223 form a positioning reference surface matched with the working reference surface of the blade shroud, and in a normal state, the working reference surface of the blade shroud and the positioning reference surface are in a contact state to block an air inlet channel, so that the air pressure displayed by the pneumatic detection device cannot change; when the air inlet passage 21 and the air outlet passage have a gap, air leakage occurs in the air inlet passage, the air pressure displayed by the pneumatic detection device changes, and an operator can adjust parameters or pressing force in time, so that the stability of a product is improved, and the debugging difficulty of the product is reduced.
In some possible embodiments, in order to effectively realize air supply between the small positioning surface and the abutting surface of the installation groove 22;
the air inlet channel 21 comprises an air duct 211 with one end communicated with the mounting groove 22 and an air transmission duct 212 communicated with the other end of the air duct 211 and connected with an air transmission pipe.
Preferably, the air pipe 212 passes through one side surface of the clamp 2 and then is connected with an air pipe of the pneumatic detection device.
In some possible embodiments, the product is supported and fixed for effective realization;
the supporting seat 1 comprises a base, a first supporting component 11 which is installed on the base and used for fixing the tenon tooth part, a second supporting component 12 which is located between the first supporting component 11 and the clamp 2 and used for fixing the profile, and two fixing mechanisms 13 which are used for fixing the side face of the blade shroud and installed on two sides of the clamp 2.
Preferably, the clamp 2 is also mounted on the base.
The supporting component I11 is mainly used for fixedly supporting the tenon tooth part on two sides in the axial direction, the vertical direction and the axial direction, so that the tenon tooth part is prevented from deviating in the machining process;
the second support component 12 is mainly used for supporting and fixing the molded surface;
two fixed establishment 13 realize the blade crown along the fixed of tenon tooth portion axial both sides, make the blade crown can not appear squinting in the course of working with anchor clamps 2 cooperation.
In some possible embodiments, in order to effectively achieve the fixing of the tenon portion;
the first support assembly 11 comprises a first fixing seat 111 and a cover plate 114 arranged on the first fixing seat 111; and a bulge for fixing the tenon tooth part is arranged on the first fixing seat 111.
In some possible embodiments, in order to effectively achieve a vertical fixing of the tenon portion;
the cover plate comprises a screw rod 112, a spring 113, a cover plate 114 and a nut 115, wherein one end of the screw rod 112 is installed on the first fixing seat 111, the screw rod 112 is located on one side, away from the clamp 2, of the bulge, the spring 113 is sleeved on the screw rod 112, the cover plate 114 is sleeved on the screw rod 112 and located on one side, away from the fixing, of the spring 113, the nut 115 is installed in a matched mode with the screw rod 112 and located on one side, away from the spring 113, of the cover plate 114; the cover plate 114 is positioned over the protrusions.
The tenon tooth part is provided with a plurality of tenon tooth structures, a groove matched with the bulge is formed between the adjacent tenon tooth structures, and when the tenon tooth part is installed, the groove is installed on the bulge, so that the tenon tooth part is fixed in the axis direction; preventing it from moving along its axial direction;
when the tenon tooth part is installed, the tenon tooth part is fixed in the axial direction through the matching of the protrusion and the groove, then the screw rod 112 is installed on the first fixing seat 111, the spring 113 is sleeved on the outer side of the screw rod 112, then the cover plate 114 and the nut 115 are sequentially installed, the cover plate 114 moves towards one side close to the first fixing seat 111 by screwing the nut 115, the cover plate 114 is abutted against the top of the tenon tooth part, and the tenon tooth part is fixed in the vertical direction;
preferably, a protrusion matched with the groove is also arranged on one side of the cover plate 114 close to the tenon part; this makes the fixation in the vertical direction more stable.
In some possible embodiments, for effective fixing of the tenon flanks;
the first support assembly 11 further comprises a side fixing assembly 116 mounted on the base and used for fixing the side of the tenon tooth.
The side surface fixing member 116 is used for abutting against the side surface of the tenon portion during machining, so that the side surface does not move and the machining quality is not affected.
In some possible embodiments, the profile is fixed for efficiency;
the second support assembly 12 includes a second fixing seat 121 mounted on the base, and a press-connection part hinged to the second fixing seat 121.
In some possible embodiments, a crimping installation groove in a U-shaped structure is arranged on the second fixing seat 121; the crimping part comprises a V-shaped connecting part 122 which is of a V-shaped structure and is arranged in the crimping mounting groove, a rotating shaft 124 for connecting the second fixed seat 121 and the V-shaped connecting part 122, and a connecting plate 123 which is respectively connected with the V-shaped connecting part 122; the rotating shaft 124 is rotatably connected to the vertex of the V-shaped connecting portion 122.
The compression joint installation groove penetrates through two side faces of the fixed seat, the axis of the compression joint installation groove is parallel to the axis of the tenon tooth part, the rotating shaft 124 is installed in the compression joint installation groove, the axis of the rotating shaft is parallel to the axis of the tenon tooth part, and a through hole is formed in the top point of the V-shaped connecting part 122; v type connecting portion 122 realizes revolving around pivot 124 through the cooperation of pivot 124 with the through-hole and the articulated of fixing base to make the connecting plate 123 that is close to profile one side be close to or keep away from the profile and exert the effort to the profile, avoid it to take place the displacement in the course of working.
In some possible embodiments, in order to effectively achieve fixation to the outer side of the tip shroud;
the two fixing mechanisms 13 are identical in structure and are symmetrically arranged; the fixing mechanism 13 includes a third fixing seat 131 in an L shape, a telescopic mechanism 132 installed on the third fixing seat 131 and along a direction close to or away from the fixture 2, and a cushion block 133 installed at an end of the telescopic mechanism 132 close to the first fixing seat 111.
Preferably, the telescopic mechanism 132 comprises a threaded hole arranged on the third fixed seat 131 and a threaded rod matched with the threaded hole, and the cushion block 133 is arranged at one end of the threaded rod close to the clamp 2; the cushion block 133 can be close to or far away from the outer side surface of the blade crown by screwing the threaded rod; the fixing of the outer side surface of the blade shroud is realized through the opposite movement of two threaded rods on the two fixing mechanisms 13.
Preferably, a cushion block 133 is also arranged on one side of the connecting plate 123 close to the molded surface; the cushion blocks 133 on the telescopic mechanism 132 and the cushion blocks 133 on the connecting plate 123 are made of rubber materials, so that the damage of the profile and the outer side face of the blade shroud caused by hard contact between the connecting plate 123 and the profile and between the telescopic mechanism 132 and the outer side face of the blade shroud is effectively avoided.
The side fixing assemblies 116 of the present invention may be two and have the same structure as the fixing mechanism 13, and are located at two sides of the tenon portion, so as to realize the fixing support of the tenon portion along two axial sides thereof.
In the invention, the pneumatic detection device is an existing product, and the internal structure of the pneumatic detection device is not described in detail; optionally, purchased on the market and then connected to the gas line 212.
The invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification and any novel method or process steps or any novel combination of features disclosed.
Claims (10)
1. A clamping tool for detecting the fitting performance of a small positioning surface in real time is characterized by comprising a supporting seat, a clamp which is installed in a matched mode with the small positioning surface and is provided with an installation groove, and a pneumatic detection device which is used in a matched mode with the clamp; be provided with the intake duct of one end and mounting groove intercommunication on the anchor clamps, the other one end and the pneumatic detection device's of intake duct gas-supply pipe are connected.
2. The clamping tool for detecting the fit of the small positioning surface in real time according to claim 1, wherein the mounting groove comprises a clearance groove, a first inclined surface and a second inclined surface, wherein the first inclined surface and the second inclined surface are respectively connected with two sides of an opening end of the clearance groove; the inlet duct is two sets ofly, one of them group with pass inclined plane one and communicate with the mounting groove, another group passes inclined plane two and communicates with the mounting groove.
3. The clamping tool for the real-time detection of the fitting performance of the small positioning surface as claimed in claim 2, wherein the air inlet channel comprises an air duct one end of which is communicated with the mounting groove, and an air delivery duct communicated with the other end of the air duct and connected with an air delivery pipe.
4. The clamping tool for the real-time detection of the fitting performance of the small positioning surface according to claim 1, wherein the supporting seat comprises a base, a first supporting component arranged on the base, a second supporting component positioned between the first supporting component and the clamp, and two fixing mechanisms arranged on two sides of the clamp.
5. The clamping tool for detecting the fit of the small positioning surface in real time according to claim 4, wherein the first supporting assembly comprises a first fixing seat and a cover plate arranged on the first fixing seat; and a bulge is arranged on the first fixed seat.
6. The clamping tool for detecting the fitting performance of the small positioning surface in real time according to claim 5, wherein the cover plate comprises a screw rod, a spring, a cover plate and a nut, wherein one end of the screw rod is mounted on the first fixing seat and is positioned on one side, away from the clamp, of the protrusion, the spring is sleeved on the screw rod, the cover plate is sleeved on the screw rod and is positioned on one side, away from the fixing, of the spring, the nut is mounted in a matched mode with the screw rod and is positioned on one side, away from the spring, of the cover plate; the cover plate is positioned above the protrusions.
7. The clamping tool for real-time detection of the fitting performance of the small positioning surface according to claim 6, wherein the first supporting assembly further comprises a side fixing assembly which is installed on the base and used for fixing the side surface of the tenon tooth.
8. The clamping tool for real-time detection of the fit of the small positioning surface as claimed in claim 4, wherein the supporting assembly comprises a second fixing seat mounted on the base and a crimping part hinged to the second fixing seat.
9. The clamping tool for the real-time detection of the fitting performance of the small positioning surface according to claim 8, wherein a crimping installation groove in a U-shaped structure is formed in the second fixing seat; the crimping part comprises a V-shaped connecting part which is of a V-shaped structure and is arranged in the crimping mounting groove, a rotating shaft for connecting the second fixed seat and the V-shaped connecting part, and connecting plates respectively connected with the V-shaped connecting part; the rotating shaft is rotatably connected with the vertex of the V-shaped connecting part.
10. The clamping tool for the real-time detection of the fitting performance of the small positioning surface according to claim 4, wherein the two fixing mechanisms are identical in structure and are symmetrically arranged; the fixing mechanism comprises a third L-shaped fixing seat, a telescopic mechanism which is arranged on the third fixing seat and is close to or far away from the clamp, and a cushion block which is arranged at one end of the telescopic mechanism close to the fixing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110897708.1A CN113618652A (en) | 2021-08-05 | 2021-08-05 | Clamping tool for real-time detection of fitting performance of small positioning surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110897708.1A CN113618652A (en) | 2021-08-05 | 2021-08-05 | Clamping tool for real-time detection of fitting performance of small positioning surface |
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| Publication Number | Publication Date |
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| CN113618652A true CN113618652A (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110897708.1A Pending CN113618652A (en) | 2021-08-05 | 2021-08-05 | Clamping tool for real-time detection of fitting performance of small positioning surface |
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| CN (1) | CN113618652A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024067712A1 (en) * | 2022-09-30 | 2024-04-04 | 青岛高测科技股份有限公司 | Wire cutting machine and crystal holder clamping detection method thereof |
-
2021
- 2021-08-05 CN CN202110897708.1A patent/CN113618652A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024067712A1 (en) * | 2022-09-30 | 2024-04-04 | 青岛高测科技股份有限公司 | Wire cutting machine and crystal holder clamping detection method thereof |
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