CN119178700A - Grinding stone residue detection device and detection method for aluminum die casting - Google Patents
Grinding stone residue detection device and detection method for aluminum die casting Download PDFInfo
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- CN119178700A CN119178700A CN202411701698.XA CN202411701698A CN119178700A CN 119178700 A CN119178700 A CN 119178700A CN 202411701698 A CN202411701698 A CN 202411701698A CN 119178700 A CN119178700 A CN 119178700A
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- aluminum die
- die casting
- inner cavity
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- positioning block
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 112
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 112
- 238000004512 die casting Methods 0.000 title claims abstract description 112
- 238000001514 detection method Methods 0.000 title claims abstract description 65
- 239000004575 stone Substances 0.000 title claims abstract description 36
- 238000003825 pressing Methods 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000006698 induction Effects 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000003475 lamination Methods 0.000 description 5
- 239000004411 aluminium Substances 0.000 description 4
- 238000005498 polishing Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/20—Metals
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Dispersion Chemistry (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The invention discloses a grinding stone residue detection device and method for an aluminum die casting, comprising a workbench, a positioning block, a horizontal moving assembly and a pressing assembly, wherein a first inner cavity profiling piece which faces upwards is arranged on a first side of the positioning block, a first sensor is arranged on the first inner cavity profiling piece, a second inner cavity profiling piece is arranged on the horizontal moving assembly, a third sensor is arranged on the side, facing the horizontal moving assembly, of the positioning block, an exterior profiling piece is arranged on the positioning block, the exterior profiling piece comprises a concave part matched with a second side of the aluminum die casting, convex parts are formed on two sides of the concave parts, the second sensor is arranged on the convex parts, the pressing assembly is arranged on the horizontal moving assembly, a lower bottom plate is arranged at the lower end of the pressing assembly, the lower bottom plate is provided with a lower surface which is matched with the upper surface of the aluminum die casting, whether grinding stone residues exist inside the aluminum die casting or not can be accurately judged under the condition of multi-angle multi-azimuth placement, missing of dead angle position detection is avoided, and the detection accuracy is further improved.
Description
Technical Field
The invention relates to a detection device, in particular to a device and a method for detecting the residues of grinding stones on the surface of an aluminum die casting after polishing of the grinding stones.
Background
Aluminum die castings encounter a variety of surface treatment challenges during the manufacturing process, particularly in terms of deburring and polishing.
Aluminum die castings generally have complex geometries, including various curved surfaces and flat surfaces. Many aluminum die casting designs contain through holes or cavities that add complexity to the manufacturing and subsequent surface treatments.
After die casting, the aluminum die cast is subjected to a preliminary rough finishing process to remove most burrs and irregular edges. Although rough finished, burrs may remain in the corners and through holes of the aluminum die cast, and these burrs require further processing. In order to remove excessive burrs on the surface and improve the surface finish, the aluminum die casting needs to be polished. The polishing process is carried out by putting the die casting into a rolling grindstone to polish, physically remove burrs and smooth the surface. During polishing, finely divided particles of grindstone may adhere to the surface of the aluminum die casting, which may affect the polishing effect and may damage the product surface.
In order to solve the problem of the adhesion of the grinding stone, engineers in the art need to develop a targeted grinding stone detection device and detection method.
Disclosure of Invention
In view of the above, the technical problem to be solved by the invention is to provide a grinding stone residue detection device and a detection method for an aluminum die casting, which can conveniently, quickly and accurately detect the grinding stone adhesion problem of the aluminum die casting.
The technical scheme adopted for solving the technical problems is that the grinding stone residue detection device of the aluminum die casting comprises a workbench, a positioning block, a horizontal moving assembly and a pressing assembly, wherein a longitudinal inner cavity is formed in the bottom of a first side of the aluminum die casting, and a transverse inner cavity is formed in a second side of the aluminum die casting;
the positioning block is arranged on one side of the workbench, and the horizontal moving assembly can be linearly far away from and close to the positioning block;
The first side of the positioning block is provided with an upward first inner cavity profiling piece, and the first inner cavity profiling piece is provided with a first sensor;
The horizontal moving assembly is provided with a second inner cavity profiling part facing the second side of the positioning block;
the second side of the positioning block is provided with an exterior profiling piece, the exterior profiling piece comprises a concave part matched with the second side of the aluminum die casting, convex parts are formed on two sides of the concave part, and the second sensor is arranged on the convex parts;
The lower bottom plate is provided with a lower surface which is matched with the upper surface of the aluminum die casting.
When an aluminum die casting is placed on the positioning block, the first inner cavity profiling piece stretches into a longitudinal inner cavity of the aluminum die casting; the first sensor judges whether the longitudinal inner cavity of the aluminum die casting is attached to the positioning block and whether the first side of the aluminum die casting is horizontally arranged by contacting with the top wall of the longitudinal inner cavity of the aluminum die casting;
the third sensor judges whether the transverse inner cavity of the aluminum die casting is attached to the second inner cavity profiling piece or not by detecting the distance between the horizontal moving assembly and the positioning block;
And the second sensor judges whether the second side of the aluminum die casting is horizontally arranged by contacting the lower bottom plate or not.
The invention solves the technical problems by adopting the preferable technical scheme that a positioning column protruding upwards is arranged at the center of the positioning block and is inserted into a hole groove of a corresponding aluminum die casting.
The horizontal moving assembly comprises a base, a guide rail and a sliding block, wherein the guide rail is paved on a workbench and faces to the second side of a positioning block, the sliding block can move on the guide rail, the base is fixed above the sliding block, and the second inner cavity profiling piece is arranged on one side of the base.
The preferable technical scheme adopted for solving the technical problems is that the pressing component is fixed on the base and is positioned above the second inner cavity profiling piece;
The pressing component comprises an upper bottom plate, two guide posts and a driving rod, wherein the upper bottom plate, the two guide posts and the driving rod are fixed on the base, the driving rod penetrates through the upper bottom plate, the lower end of the driving rod is connected with the lower bottom plate, and the guide posts on two sides penetrate through the upper bottom plate and are connected with two sides of the lower bottom plate;
The top of the driving rod is provided with a limiting part, the driving rod is sleeved with a spring, and the spring is fixed between the upper bottom plate and the limiting part.
The optimal technical scheme adopted by the invention for solving the technical problems is that a damper is arranged on the horizontal moving assembly, the horizontal moving assembly moves to the second side of the positioning block and contacts with the damper, then the horizontal moving assembly moves in a decelerating way, and a limiter is also arranged on the horizontal moving assembly and is used for limiting the movement of the horizontal moving assembly.
The preferable technical scheme adopted by the invention for solving the technical problems comprises a controller, a first sensor, a second sensor, a limiter, a driving mechanism of a horizontal moving assembly and a driving mechanism of a pressing assembly, wherein the controller is communicated with the first sensor, the second sensor, the limiter and the driving mechanism of the pressing assembly;
After the controller judges that the first sensor sends a qualified signal pointing to the lamination, the controller sends a moving signal to the horizontal moving assembly;
After the controller judges that the first sensor sends a disqualified signal pointing to the non-lamination, the controller sends a signal to the limiter, and the limiter prevents the horizontal moving assembly from moving towards the positioning block.
The technical scheme adopted by the invention for solving the technical problems is that the grinding stone residue detection method of the aluminum die casting is used for detecting through a grinding stone residue detection device of the aluminum die casting and comprises the following specific steps:
Step A, placing the aluminum die casting on the positioning block, and inserting the first inner cavity profiling piece on the first side of the positioning block into a longitudinal inner cavity of the aluminum die casting;
Step B, the first sensor performs induction detection, judges whether the longitudinal inner cavity of the aluminum die casting is attached or not, and outputs a detection signal;
C, after the first sensor detects the qualified signal pointing to the joint, the horizontal moving assembly moves to the second side of the positioning block;
step D, inserting a second inner cavity profiling piece on the horizontal moving assembly into a transverse inner cavity of the aluminum die casting, and detecting the insertion condition of the second inner cavity profiling piece by the third sensor;
E, when the third sensor detects that the second inner cavity profiling piece is inserted in place, the pressing component presses downwards, the springs are compressed, and the lower surface of the lower bottom plate is close to the upper surface of the aluminum die casting to be matched;
And F, performing induction detection by the second sensor, judging whether the inner cavity and the outer cavity of the transverse inner cavity of the aluminum die casting are attached and outputting detection signals, and judging that no grinding stone remains in the aluminum die casting after the second sensor outputs qualified signals pointing to the attachment.
In the step B, after the controller judges that the first sensor sends a disqualified signal pointing to the non-lamination, the horizontal moving assembly does not move to the second side of the positioning block, and the situation that the grinding stone remains in the longitudinal inner cavity is judged, and detection is terminated.
The first sensor and the second sensor are respectively connected with a first indicator lamp and a second indicator lamp; in the step B, after the first sensor detects a qualified signal pointing to the bonding, the first indicator light is turned on, and the display state of the first indicator light is maintained along with the unchanged sensing state of the first sensor;
In the step D, the lower surface of the lower bottom plate is matched with the upper surface of the aluminum die casting, the second indicator lamp is turned on after the second sensor detects the qualified signal pointing to the joint, and when the first indicator lamp and the second indicator lamp are simultaneously turned on, the aluminum die casting is judged to have no grindstone residues.
Compared with the prior art, the invention has the advantages that through the nesting of the first inner cavity profiling part and the second inner cavity profiling part, whether the grinding stone residue exists in the aluminum die casting can be accurately judged through the multi-angle and multi-azimuth placement condition of the aluminum die casting, and the detection accuracy is greatly improved. Through pushing down the additional setting of subassembly, further strengthening and detecting, must vertical inner chamber, horizontal inner chamber all laminate and put just can pass through the detection promptly, avoided the omission that dead angle position detected, further improved the accuracy that detects.
Drawings
The invention will be described in further detail below in connection with the drawings and the preferred embodiments, but it will be appreciated by those skilled in the art that these drawings are drawn for the purpose of illustrating the preferred embodiments only and thus should not be taken as limiting the scope of the invention. Moreover, unless specifically indicated otherwise, the drawings are merely schematic representations, not necessarily to scale, of the compositions or constructions of the described objects and may include exaggerated representations.
FIG. 1 is a schematic view of a grinding stone residue detection device for an aluminum die casting;
FIG. 2 is a partial schematic view of a grinding stone residue detection device for an aluminum die casting;
fig. 3 is a schematic view of a hold-down assembly of a grinding stone residue detection device for an aluminum die casting.
The reference numerals comprise a workbench 1, a positioning block 2, a horizontal moving assembly 30, a pressing assembly 20, a third sensor 3, a first inner cavity profiling 4, a first sensor 5, a second sensor 6, a second inner cavity profiling 7, an outer profiling 8, a concave part 81, a convex part 82, a lower bottom plate 9, a positioning column 11, a base 31, a guide rail 32, a sliding block 33, a limiting part Z, an upper bottom plate 21, a guide column 22, a driving rod 23, a spring 24 and a damper 10.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Those skilled in the art will appreciate that these descriptions are merely illustrative, exemplary, and should not be construed as limiting the scope of the invention.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present invention. While the terms "first" and "second" are used for descriptive purposes only and not for purposes of limitation, there is no other directional meaning.
The detection device provided by the embodiment is used for detecting an aluminum die casting. The bottom of the first side of the aluminum die casting has a longitudinal cavity and the second side of the aluminum die casting has a transverse cavity. After the molding, a large amount of small-sized grinding stones are used for surface deburring. After the operation is finished, the grinding stone may remain in the longitudinal cavity or the transverse cavity, so that detection is needed.
As shown in fig. 1, the present embodiment provides a grinding stone residue detection device for an aluminum die casting, including a table 1 as a supporting positioning block of the entire detection device, a positioning block 2, a horizontal movement assembly 30, and a pressing assembly 20.
The positioning block 2 is arranged on one side of the workbench 1, and the horizontal moving assembly 30 can be linearly away from and close to the positioning block 2. The positioning block 2 is provided with a third sensor 3 toward the horizontal movement assembly 30 side. The first side of the positioning block 2 is provided with an upward first inner cavity profiling piece 4, and a first sensor 5 is arranged on the first inner cavity profiling piece.
The second side of the positioning block is provided with a second sensor 6. The horizontal moving assembly 30 is provided with a second inner cavity profiling piece 7 facing the second side of the positioning block 2. The second side of the positioning block 2 is provided with an exterior profiling piece 8, the exterior profiling piece 8 comprises a concave part 81 matched with the second side of the aluminum die casting, convex parts 82 are formed on two sides of the concave part 81, and the second sensor 6 is arranged on the convex parts 82.
The pressing assembly 20 is mounted on the horizontal moving assembly 30, and the lower end of the pressing assembly 20 is mounted with the lower base plate 9. The lower plate 9 has a lower surface which coincides with the upper surface of the aluminum die casting.
When the aluminum die casting is placed on the positioning block 2, the first inner cavity profiling piece 4 stretches into the longitudinal inner cavity of the aluminum die casting. The first sensor 5 judges whether the longitudinal cavity of the aluminum die casting is attached to the positioning block 2 and whether the first side of the aluminum die casting is horizontally placed by whether the first sensor contacts the top wall of the longitudinal cavity of the aluminum die casting.
When the second inner cavity profiling piece 7 is driven by the horizontal moving assembly 30 to extend into the transverse inner cavity of the aluminum die casting. The third sensor 3 judges whether the transverse inner cavity of the aluminum die casting is attached to the second inner cavity profiling piece 7 by detecting the distance between the horizontal moving assembly 30 and the positioning block 2.
The lower plate 9 on the lower press assembly 20 is pressed against the second side upper surface of the aluminum die casting. The second sensor 6 determines whether the second side of the aluminum die casting is flat by contacting the lower plate 9.
Of course, this sensing may be achieved by distance sensing, etc. in addition to contact sensing, the first sensor and the second sensor may be one-point sensors, or may be integrated sensors composed of a plurality of sensing points, respectively.
The method for detecting the grindstone residue of the aluminum die casting comprises the following specific steps of:
And A, placing an aluminum die casting on the positioning block 2, and inserting a first inner cavity profiling piece 4 on the first side of the positioning block 2 into a longitudinal inner cavity of the aluminum die casting.
And B, performing induction detection by the first sensor 5, judging whether the longitudinal inner cavity of the aluminum die casting is attached or not, and outputting a detection signal.
And C, after the first sensor 5 detects the qualified signal pointing to the fitting, the horizontal moving assembly 30 moves to the second side of the positioning block 2. In the previous step, after the controller determines that the first sensor 5 sends a failure signal pointing to the non-fitting state, the horizontal moving assembly 30 does not move to the second side of the positioning block 2, it is determined that the grinding stone remains in the longitudinal cavity, and the detection is terminated.
And D, inserting the second inner cavity profiling 7 on the horizontal moving assembly 30 into the transverse inner cavity of the aluminum die casting, and detecting the insertion condition of the second inner cavity profiling 7 by the third sensor 3.
And E, when the third sensor 3 detects that the second inner cavity profiling piece 7 is inserted into place, the pressing assembly 20 presses downwards, the springs 24 are compressed, and the lower surface of the lower bottom plate 9 is close to the upper surface of the aluminum die casting.
And F, performing induction detection by the second sensor 6, judging whether the inner cavity and the outer cavity of the transverse inner cavity of the aluminum die casting are attached and outputting detection signals, and judging that no grinding stone residue exists in the aluminum die casting after the second sensor 6 outputs qualified signals pointing to the attachment.
Through the nesting of first inner chamber profile modeling piece 4 and second inner chamber profile modeling piece 7, first sensor 5 judges the state of the vertical inner chamber of aluminium die casting to continue the next step to detect after passing, rethread second sensor 6, third sensor 3 judge the horizontal inner chamber of aluminium die casting and holistic situation, thereby can accurately judge whether inside the aluminium die casting has the grindstone to remain through the diversified circumstances of placing of aluminium die casting multi-angle, improved the accuracy of detection greatly.
It should be noted that the fact that the second cavity contour 7 of the horizontal movement assembly 30 protrudes into the lateral cavity of the aluminum die casting itself depends on the state of the lateral cavity. When grindstone remains in the transverse cavity, there is no insertion of the second cavity profile 7 in place. Through the additional arrangement of the pressing component 20, the detection is further enhanced, namely the detection can be realized only by the fact that the longitudinal inner cavity and the transverse inner cavity are attached and horizontally arranged, the omission of dead angle position detection is avoided, and the detection accuracy is further improved.
The horizontal movement assembly 30 is further provided with a limiter, and the limiter is used for limiting the movement of the horizontal movement assembly 30. The whole device also comprises a controller which is communicated with the first sensor 5, the second sensor 6, the limiter, the driving mechanism of the horizontal moving assembly 30 and the driving mechanism of the pressing assembly 20. After the controller determines that the first sensor 5 sends a qualified signal directed to the fit, the controller sends a movement signal to the horizontal movement assembly 30. After the controller judges that the first sensor 5 sends a disqualified signal pointing to the non-lamination, the controller sends a signal to the limiter. The stopper prevents the horizontal movement assembly 30 from moving in the direction of the positioning block 2.
Through the linkage of the controller, the controller is connected with each sensor and the driving mechanism, so that the intelligent control of the whole detection process can be realized, manual intervention is not needed, the detection can be started only by placing the aluminum die casting on the positioning block 2, the detection time is greatly shortened, the detection efficiency is improved, and the detection process is more stable and reliable.
As shown in fig. 1, a positioning column 11 protruding upwards is arranged at the center of the positioning block, and the positioning column 11 is inserted into a hole groove of a corresponding aluminum die casting. When the aluminum die casting is placed on the positioning block 2 on the workbench 1, the positioning column 11 can be firmly inserted into the hole groove of the positioning block, so that the position of the aluminum die casting in the working process is ensured to be accurate, the aluminum die casting is not easy to shake or displace in the detection process, and the detection stability and reliability are improved.
As shown in fig. 1-2, the horizontal movement assembly 30 includes a base 31, a guide rail 32, and a slider 33. The guide rail 32 is laid on the table 1 and faces the second side of the positioning block. The slide block 33 is movable on the guide rail 32, the base 31 is fixed above the slide block 33, and the second cavity profiling 7 is arranged on one side of the base 31.
As shown in fig. 3, the hold-down assembly 20 is secured to the base 31 and is positioned above the second cavity cam 7. The pressing assembly 20 includes an upper plate 21 fixed on a base 31, two guide posts 22, and a driving rod 23, the driving rod 23 passing through the upper plate 21, the lower end thereof being connected to the lower plate 9, the guide posts 22 on both sides passing through the upper plate 21 being connected to both sides of the lower plate 9. The top of the driving rod 23 is provided with a limiting part Z, the driving rod 23 is sleeved with a spring 24, and the spring 24 is fixed between the upper bottom plate 21 and the limiting part Z. The spring 24 not only provides necessary buffering for the pressing down process, but also enables the lower bottom plate 9 to reset smoothly after the detection is finished, and damage or deformation to the aluminum die casting is avoided.
In addition, the damper 10 is provided on the horizontal movement assembly 30, and after the horizontal movement assembly 30 moves to the second side of the positioning block 2 and contacts the damper 10, the horizontal movement assembly 30 moves at a reduced speed. By introducing the damper 10, the horizontal movement assembly 30 can be decelerated when approaching the target position, and an overshoot phenomenon due to inertia is avoided, thereby improving the detection accuracy. Meanwhile, vibration generated by sudden stop is reduced due to the decelerating movement, and the detection stability is further improved.
In the present application, the first sensor 5 and the second sensor 6 are connected to a first indicator lamp and a second indicator lamp, respectively. In step B, after the first sensor 5 detects the qualified signal pointing to the bonding, the first indicator lights are turned on, and the display state of the first indicator lights is maintained along with the unchanged sensing state of the first sensor 5. In step D, the lower surface of the lower plate 9 coincides with the upper surface of the aluminum die casting. After the second sensor 6 detects the qualified signal pointing to the lamination, the second indicator light is turned on. When the first indicator lamp and the second indicator lamp are simultaneously on, it is judged that no grinding stone remains in the aluminum die casting.
The above description has been made of the apparatus and method for detecting the residue of grinding stone provided by the present invention, and specific examples are applied herein to illustrate the principles and embodiments of the present invention, and the above examples are only for helping to understand the present invention and core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411701698.XA CN119178700B (en) | 2024-11-26 | 2024-11-26 | Grinding stone residue detection device and detection method for aluminum die casting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411701698.XA CN119178700B (en) | 2024-11-26 | 2024-11-26 | Grinding stone residue detection device and detection method for aluminum die casting |
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| CN119178700A true CN119178700A (en) | 2024-12-24 |
| CN119178700B CN119178700B (en) | 2025-03-14 |
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| 陈渊;田应仲;: "异型玻璃外廓检测及磨边加工技术的研究", 机械设计与制造, no. 09, 8 September 2009 (2009-09-08) * |
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| CN119178700B (en) | 2025-03-14 |
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