CN114062252B - Ultrasonic laser deposition coating bonding strength tester - Google Patents
Ultrasonic laser deposition coating bonding strength tester Download PDFInfo
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- CN114062252B CN114062252B CN202111260551.8A CN202111260551A CN114062252B CN 114062252 B CN114062252 B CN 114062252B CN 202111260551 A CN202111260551 A CN 202111260551A CN 114062252 B CN114062252 B CN 114062252B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/04—Measuring adhesive force between materials, e.g. of sealing tape, of coating
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/082—Coating starting from inorganic powder by application of heat or pressure and heat without intermediate formation of a liquid in the layer
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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
- Y02P10/25—Process efficiency
Abstract
The invention discloses a supersonic laser deposition coating bonding strength tester, which comprises: the peripheral main frame is internally provided with a test cavity, and the top surface and the bottom surface of the test cavity are horizontal surfaces opposite to each other; the testing device comprises an external pressing mechanism, an internal testing mechanism and a tension sensor, wherein the external pressing mechanism is fixedly arranged at the top of the peripheral main frame; the inner testing mechanism comprises an upper adsorption part and a lower adsorption part, wherein the upper adsorption part is vertically hung on the top surface of the testing cavity and is connected with a pressing end of the outer pressing mechanism, which extends into the testing cavity; the lower adsorption part is vertically arranged on the bottom surface of the test cavity; the tension sensor is arranged on the external pressure applying mechanism; and the control device is arranged at the top of the peripheral main frame and comprises a control mechanism and a display screen, and a control button is arranged on a control mechanism shell. The beneficial effects of the invention are as follows: the ultrasonic laser deposition coating can be accurately tested, is simple and easy to operate, gets rid of the epoxy resin cementing agent used for the traditional coating bonding strength test, and shortens the test time and the cost.
Description
Technical Field
The invention relates to the technical field of ultrasonic laser deposition coating samples, in particular to a ultrasonic laser deposition coating bonding strength tester.
Background
The supersonic laser deposition technology is a new spray and remanufacturing technology, and the principle is that laser is introduced in the cold spray process to irradiate the powder particles and the matrix synchronously, so that the material deposition characteristic is changed, the critical deposition speed of the powder is reduced, the defects of unsound combination, low efficiency, high porosity and the like of the cold spray coating are overcome, the preparation of the high-hardness material coating can be realized, and the application range of the material and the matrix is widened.
The ultrasonic laser deposition technology is often applied to repair and strengthening work of the surface of a part so as to increase the service life of the part, wherein the bonding strength of a coating and the surface of the part is an important performance index for measuring the performance of the coating, a sample is usually cut out by using linear cutting for carrying out bonding strength test, the sample test cost of the current coating bonding strength tester is high, and the current coating bonding national standard is set for a thermal spraying coating, so that a bonding strength tester for the ultrasonic laser deposition coating is needed, the current thermal spraying coating bonding strength test has strict requirements on the size of the sample, the sample manufacturing level is high, the coating and a substrate are bonded by adopting epoxy resin, the waiting time of a single sample is more than 4 hours, the efficiency is not high, and the large-scale production application is not facilitated, and therefore, a novel coating test technology is needed to rapidly, efficiently and accurately carry out the coating bonding strength test, especially for the ultrasonic laser deposition coating.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a supersonic laser deposition coating bonding strength tester. The device can realize the test of the bonding strength of the ultrasonic laser deposition coating, can realize the accurate measurement of the bonding strength, can realize the test of the bonding strength of samples with different area and regular shape, has low requirements on the surface morphology of the coating of the samples, does not need an adhesive fixed phone, has intermittent waiting in the test process, and can meet the experimental requirements and large-scale industrial application.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the invention relates to a supersonic laser deposition coating bonding strength tester, which is characterized by comprising the following components:
the device comprises a peripheral main frame, a test cavity and a test device, wherein the test cavity is arranged in the peripheral main frame, and the top surface and the bottom surface of the test cavity are horizontal surfaces opposite to each other;
the testing device comprises an outer pressing mechanism, an inner testing mechanism and a tension sensor, wherein the outer pressing mechanism is fixedly arranged at the top of the peripheral total frame and is used for driving the inner testing mechanism to press or pull the sample matrix; the inner testing mechanism comprises an upper adsorption part and a lower adsorption part arranged right below the upper adsorption part, wherein the upper adsorption part is vertically hung on the top surface of the testing cavity, is connected with a pressure application end of the outer pressure application mechanism extending into the testing cavity and is used for being adsorbed on the upper surface of the sample matrix; the lower adsorption part is vertically arranged on the bottom surface of the test cavity and is used for being adsorbed on the lower surface of the sample matrix; the tension sensor is arranged on the external pressure applying mechanism, and a signal output end of the tension sensor is electrically connected with a signal input end of the control device and is used for transmitting the pressure state of the external pressure applying mechanism detected in real time to the control device;
the control device is arranged at the top of the peripheral main frame and comprises a control device and a display screen, a control button is arranged on a shell of the control device and is electrically connected with a corresponding control port of the control device, a signal input end of the control device is electrically connected with a signal output end of the tension sensor through a first bus, and a control signal output end of the control device is electrically connected with a control end of the external pressure applying mechanism through a second bus; the display screen is fixedly arranged at the top of the peripheral main frame, and the signal input end of the display screen is electrically connected with the data signal output end of the control device.
Further, the peripheral total frame comprises a supporting leg frame, a bearing plate, a surrounding baffle and a bearing cover plate, wherein the bearing plate is horizontally arranged on the supporting leg frame; the enclosing block is a three-sided hollow frame body, and the bottom of the enclosing block is fixedly arranged on the bearing plate; the bearing cover plate is arranged at the top of the enclosure, is jointly lapped with the enclosure and the bearing plate to form a frame structure with a test cavity, and is provided with a through hole in the middle for the pressure application end of the external pressure application mechanism to pass through.
Further, the external pressure applying mechanism comprises a press machine and a press machine moving rod, and the press machine is arranged on the bearing cover plate; the press machine moving rod is movably arranged in the through hole in the middle of the bearing cover plate in a penetrating mode, the top of the press machine moving rod is connected with the pressing part of the press machine, and the bottom of the press machine moving rod is used as the pressing end of the external pressing mechanism and is connected with the upper adsorption part.
Further, the lower adsorption part comprises a first positioning base plate, a first fastening block, a connecting stud, a first vacuum adsorption gas pipeline, a first waterway pipeline and a first vacuum chuck, and the first positioning base plate is horizontally paved on the bearing plate; the first fastening block is detachably arranged on the first positioning substrate through a fastening bolt; the first fastening block is internally provided with a hollow cavity, a first gas port is arranged in the hollow cavity, the lower end of the connecting stud is fixedly connected with the first fastening block, the upper end of the connecting stud is fixedly connected with the first vacuum adsorption disc, the adsorption disc surface of the first vacuum adsorption disc faces upwards, and a first subdivision waterway diffusion structure is arranged on the surface of the adsorption disc surface of the first vacuum adsorption disc; the bottom air inlet of the first vacuum adsorption gas pipeline is communicated with an external air source pipeline through a first gas port, and the top air outlet of the first vacuum adsorption gas pipeline extends to the adsorption disk surface of the first vacuum adsorption disk and is used for forming negative pressure between the adsorption disk surface and the lower surface of the sample matrix; the water inlet of the first waterway pipeline is communicated to the first fastening block, and the water outlet of the first waterway pipeline is communicated with the first subdivided waterway diffusion structure.
Further, the upper adsorption part comprises a second positioning substrate, a second fastening block, a second vacuum adsorption gas pipeline, a second waterway pipeline and a second vacuum chuck, and the second positioning substrate is horizontally arranged on the bottom surface of the bearing cover plate; the second fastening block is detachably arranged below the second positioning substrate; a hollow cavity is arranged in the second fastening block, and a second gas port is arranged in the hollow cavity; the bottom of the second fastening block is arranged on the press moving rod, the lower end of the press moving rod is fixedly connected with the second vacuum adsorption disc, the adsorption disc surface of the second vacuum adsorption disc faces downwards, and a second subdivision waterway diffusion structure is arranged on the surface of the adsorption disc surface of the second vacuum adsorption disc; the top air inlet of the second vacuum adsorption gas pipeline is communicated with an external air source pipeline through a second gas inlet, and the bottom air outlet of the second vacuum adsorption gas pipeline extends to the adsorption disk surface of the second vacuum adsorption disk and is used for forming negative pressure between the adsorption disk surface and the upper surface of the sample matrix; the water inlet of the second waterway pipeline is communicated to the second fastening block, and the water outlet of the second waterway pipeline is communicated with the second subdivided waterway diffusion structure.
Further, the first vacuum adsorption plate and the second vacuum adsorption plate are conical in shape, and the first vacuum adsorption plate and the second vacuum adsorption plate are coaxial.
Furthermore, the first subdivided waterway diffusion structure and the second subdivided waterway diffusion structure are both of a plurality of circular ring structures and are used for uniformly distributing water on the surface of the sample matrix so as to realize the sealing between contact surfaces.
Further, the control button comprises an opening and closing control switch for controlling the starting and closing of a power supply of the machine, a pulling/pressure control switch for pulling/pressing actions of the press, a pause/starting control switch for controlling the pause/starting of the press and an opening and closing control switch of the vacuum adsorption system, wherein the opening and closing control switch, the pulling/pressure control switch, the pause/starting control switch and the opening and closing control switch of the vacuum adsorption system are respectively and electrically connected with corresponding control ports of the control device.
Further, the display screen is a common cathode LED display screen.
The beneficial effects of the invention are as follows: the method can realize accurate and reliable test of the supersonic laser deposition coating, has simple test preparation work and easy operation, ensures that the tested bonding strength is accurate and reliable, gets rid of the epoxy resin cementing agent used for the traditional coating bonding strength test, greatly shortens the test time and cost, can realize the test of samples with various specifications within the specification range, has high equipment cost performance, and can be widely applied to laboratory research and industrial production.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic diagram of a bonding strength test module according to the present invention.
Wherein, 100-peripheral total frame, 200-testing device, 210-external pressing mechanism, 220-internal testing mechanism, 220 a-upper adsorption part, 220 b-lower adsorption part, 300-control device, 1-on/off control switch, 2-control mechanism, 3-pull/voltage control switch, 4-vacuum adsorption system on/off control switch, 5-first bus, 6-tension sensor, 7-press, 8-display screen, 9-bearing cover plate, 10-second positioning substrate, 11-enclosure, 12-second fastening block, 13-second gas port, 14-second waterway pipeline system, 15-second vacuum adsorption gas pipeline, 16-second vacuum adsorption disk, 17-second subdivision waterway diffusion structure, 18-first positioning base plate, 19-supporting leg frame, 20-bearing plate, 21-fastening bolt, 22-first gas port, 23-first fastening block, 24-first vacuum adsorption gas pipeline, 25-first waterway pipeline system, 26-connecting stud, 27-first vacuum adsorption disk, 28-first subdivision waterway diffusion structure, 29-sample matrix, 30-coating, 31-press movable rod, 32-second bus, 33-press pause/start button.
Detailed Description
The invention is further described below with reference to the drawings.
Referring to the drawings:
embodiment 1 a supersonic laser deposition coating bonding strength tester according to the invention comprises:
the peripheral main frame 100 is internally provided with a test cavity, and the top surface and the bottom surface of the test cavity are horizontal surfaces opposite to each other;
the testing device 200 comprises an outer pressing mechanism 210, an inner testing mechanism 220 and a tension sensor 6, wherein the outer pressing mechanism 210 is fixedly arranged at the top of the peripheral total frame 100 and is used for driving the inner testing mechanism 220 to press or pull the sample matrix 29; the inner testing mechanism 220 comprises an upper adsorption part 220a and a lower adsorption part 220b arranged right below the upper adsorption part, wherein the upper adsorption part 220a is vertically hung on the top surface of the testing cavity and is connected with a pressing end of the outer pressing mechanism 210 extending into the testing cavity for being adsorbed on the upper surface of the sample matrix; the lower adsorption part 220b is vertically arranged on the bottom surface of the test cavity and is used for being adsorbed on the lower surface of the sample matrix; the tension sensor 6 is disposed on the external pressure applying mechanism 210, and a signal output end of the tension sensor 6 is electrically connected with a signal input end of the control device 300, so as to transmit a pressure state of the external pressure applying mechanism detected in real time to the control device;
the control device 300 is arranged at the top of the peripheral main frame 100 and comprises a control mechanism 2 and a display screen 8, a control button is arranged on the shell of the control mechanism 2 and is electrically connected with a corresponding control port of the control device 2, a signal input end of the control device 2 is electrically connected with a signal output end of the tension sensor 6 through a first bus 5, and a control signal output end of the control device 2 is electrically connected with a control end of the external pressure applying mechanism 210 through a second bus 32; the display screen 8 is fixedly arranged at the top of the peripheral main frame 100, and a signal input end of the display screen 8 is electrically connected with a data signal output end of the control device 2.
The peripheral total frame 100 comprises a supporting leg frame 19, a bearing plate 20, a fence 11 and a bearing cover plate 9, wherein the bearing plate 20 is horizontally arranged on the supporting leg frame 19; the enclosing baffle is a three-sided hollow frame body, and the bottom of the enclosing baffle 11 is fixedly arranged on the bearing plate 20; the bearing cover plate 9 is arranged at the top of the enclosure 11, is overlapped with the enclosure and the bearing plate together to form a frame structure with a test cavity, and a through hole for the pressure end of the external pressure mechanism to pass through is arranged in the middle of the bearing cover plate 9.
The external pressure applying mechanism 210 comprises a press 7 and a press moving rod 31, wherein the press 7 is arranged on the bearing cover plate 9; the press moving rod 31 is movably inserted into a through hole in the middle of the bearing cover plate 9, the top of the press moving rod 31 is connected with the pressing part of the press 7, and the bottom of the press moving rod is connected with the upper adsorption part 220a as the pressing end of the external pressing mechanism.
The lower adsorption part 220b includes a first positioning substrate 18, a first fastening block 23, a connection stud 26, a first vacuum adsorption gas pipe 24, a first waterway pipe 25, and a first vacuum chuck 27, where the first positioning substrate 18 is horizontally paved on the bearing plate 9; the first fastening block 23 is detachably mounted on the first positioning substrate 18 by a fastening bolt 21; the first fastening block 23 is internally provided with a hollow cavity, a first gas port 22 is arranged in the hollow cavity, the lower end of the connecting stud 26 is fixedly connected with the first fastening block 23, the upper end of the connecting stud is fixedly connected with the first vacuum adsorption disc 27, the adsorption disc surface of the first vacuum adsorption disc 27 faces upwards, and a first subdivision waterway diffusion structure 28 is arranged on the adsorption disc surface of the first vacuum adsorption disc 27; the bottom air inlet of the first vacuum adsorption gas pipeline 24 is communicated with an external air source pipeline through a first gas port 22, and the top air outlet of the first vacuum adsorption gas pipeline 24 extends to the adsorption disk surface of the first vacuum adsorption disk 27, so that negative pressure is formed between the adsorption disk surface and the lower surface of the sample matrix; the water inlet of the first waterway pipe 25 is communicated with the first fastening block 23, and the water outlet of the first waterway pipe 25 is communicated with the first subdivided waterway diffusion structure 28.
The upper adsorption part 220a comprises a second positioning substrate 10, a second fastening block 12, a second vacuum adsorption gas pipeline 15, a second waterway pipeline 14 and a second vacuum chuck 16, wherein the second positioning substrate 10 is horizontally arranged on the bottom surface of the bearing cover plate 9; the second fastening block 15 is detachably installed below the second positioning substrate 10; a hollow cavity is arranged in the second fastening block 12, and a second gas port 13 is arranged in the hollow cavity; the bottom of the second fastening block 12 is mounted on the press moving rod 31 extending into the test cavity, the lower end of the press moving rod 31 is fixedly connected with the second vacuum adsorption disc 16, the adsorption disc surface of the second vacuum adsorption disc 16 faces downwards, and a second subdivision waterway diffusion structure 17 is arranged on the surface of the adsorption disc surface of the second vacuum adsorption disc 16; the top air inlet of the second vacuum adsorption gas pipeline 15 is communicated with an external air source pipeline through a second gas port 13, and the bottom air outlet of the second vacuum adsorption gas pipeline 15 extends to the adsorption disk surface of the second vacuum adsorption disk 16, so that negative pressure is formed between the adsorption disk surface and the upper surface of the sample matrix; the water inlet of the second waterway pipe 14 is communicated with the second fastening block 12, and the water outlet of the second waterway pipe 14 is communicated with the second subdivided waterway diffusion structure 17.
The first vacuum chuck 27 and the second vacuum chuck 16 are conical in shape, and the first vacuum chuck 27 and the second vacuum chuck 16 are coaxial.
The first subdivided waterway diffusion structure 28 and the second subdivided waterway diffusion structure 17 are all of a plurality of circular ring structures and are used for uniformly distributing water on the surface of the sample matrix so as to realize the sealing between contact surfaces.
The control buttons comprise an opening and closing control switch 1 for controlling the starting and closing of a power supply of the machine, a pulling/pressure control switch 3 for pulling/pressing actions of the press, a pause/starting control switch 33 for controlling the pause/starting of the press and a vacuum adsorption system opening and closing control switch 4, wherein the opening and closing control switch 1, the pulling/pressure control switch 3, the pause/starting control switch 33 and the vacuum adsorption system opening and closing control switch 4 are respectively and electrically connected with corresponding control ports of the control device 2.
The display screen 8 is a common cathode LED display screen.
The upper surface of the sample substrate 29 is coated with a coating 30.
Example 2 a method for testing the coating bond strength of a sample substrate surface using a supersonic laser deposited coating bond strength tester as shown in figure 1 was performed as follows:
sandwiching the test sample substrate 29 between the upper and lower adsorption parts, the lower surface of the sample substrate 29 being in contact with the adsorption plate surface of the first vacuum adsorption plate 27, the coating 30 on the upper surface of the sample substrate 29 being in contact with the adsorption plate surface of the second vacuum adsorption plate 16;
pressing the on-off control switch 1 to start the machine, and then pressing the pull/voltage control switch 3 to control the press 7 to perform proper pressing action through the second bus 32, so that the test sample is tightly combined with the vacuum adsorption disc;
opening a vacuum adsorption system on-off control switch 4, wherein water flows are uniformly distributed on the upper surface and the lower surface of a sample matrix through a first waterway pipeline system, a first subdivision waterway diffusion structure, a second waterway pipeline system and a second subdivision waterway diffusion structure, so that a closed space is formed between a first vacuum adsorption disk 27, a second vacuum adsorption disk 16 and the sample matrix, and then the formed closed space is vacuumized through a first gas port and a second gas port, so that the sample matrix is tightly combined with the first vacuum adsorption disk 27 and the second vacuum adsorption disk 16;
pressing the pull/pressure control switch 3 to recover the push-up of the press moving rod 31, recording the pressure state of the press 7 in real time by the pull sensor 6, transmitting the pressure information to the control device 2, converting the information by the control device 2, displaying on the display screen 8 through the first bus 5, and peeling the coating against the national standardIs recorded and displayed on the display screen 8, and then passes σ=f/S, where σ is the bond strength (MPa), F is the press pressure display value (N), and S is the coating cross-sectional area (mm) 2 ) Calculating the bonding strength of the coating;
after the whole experiment is finished, the on-off control switch 4 of the vacuum adsorption system is closed, the sample matrix is taken down, and then the on-off control switch 1 is closed.
The sample substrate 29 in this embodiment may be cylindrical, and the diameter of the sample substrate 29 is in the range of 10 mm.ltoreq.D.ltoreq.50 mm, and the thickness of the coating is 2 mm.ltoreq.H.ltoreq.10 mm.
The embodiments described in the present specification are merely examples of implementation forms of the inventive concept, and the scope of protection of the present invention should not be construed as being limited to the specific forms set forth in the embodiments, but also equivalent technical means that can be conceived by those skilled in the art according to the inventive concept.
Claims (6)
1. A supersonic laser deposited coating bond strength tester, comprising:
the device comprises a peripheral main frame, a test cavity and a test device, wherein the test cavity is arranged in the peripheral main frame, and the top surface and the bottom surface of the test cavity are horizontal surfaces opposite to each other;
the testing device comprises an outer pressing mechanism, an inner testing mechanism and a tension sensor, wherein the outer pressing mechanism is fixedly arranged at the top of the peripheral total frame and is used for driving the inner testing mechanism to press or pull the sample matrix; the inner testing mechanism comprises an upper adsorption part and a lower adsorption part arranged right below the upper adsorption part, wherein the upper adsorption part is vertically hung on the top surface of the testing cavity, is connected with a pressure application end of the outer pressure application mechanism extending into the testing cavity and is used for being adsorbed on the upper surface of the sample matrix; the lower adsorption part is vertically arranged on the bottom surface of the test cavity and is used for being adsorbed on the lower surface of the sample matrix; the tension sensor is arranged on the external pressure applying mechanism, and a signal output end of the tension sensor is electrically connected with a signal input end of the control device and is used for transmitting the pressure state of the external pressure applying mechanism detected in real time to the control device; the upper adsorption part comprises a second positioning substrate, a second fastening block, a second vacuum adsorption gas pipeline, a second waterway pipeline and a second vacuum chuck, and the second positioning substrate is horizontally arranged on the bottom surface of the bearing cover plate; the second fastening block is detachably arranged below the second positioning substrate; a hollow cavity is arranged in the second fastening block, and a second gas port is arranged in the hollow cavity; the bottom of the second fastening block is arranged on a press moving rod, the lower end of the press moving rod is fixedly connected with the second vacuum adsorption disc, the adsorption disc surface of the second vacuum adsorption disc faces downwards, and a second subdivision waterway diffusion structure is arranged on the surface of the adsorption disc surface of the second vacuum adsorption disc; the top air inlet of the second vacuum adsorption gas pipeline is communicated with an external air source pipeline through a second gas inlet, and the bottom air outlet of the second vacuum adsorption gas pipeline extends to the adsorption disc surface of the second vacuum adsorption disc and is used for forming negative pressure between the adsorption disc surface and the upper surface of the sample matrix; the water inlet of the second waterway pipeline is communicated with the second fastening block, and the water outlet of the second waterway pipeline is communicated with the second subdivided waterway diffusion structure; the lower adsorption part comprises a first positioning base plate, a first fastening block, a connecting stud, a first vacuum adsorption gas pipeline, a first waterway pipeline and a first vacuum chuck, and the first positioning base plate is horizontally paved on the bearing plate; the first fastening block is detachably arranged on the first positioning substrate through a fastening bolt; the first fastening block is internally provided with a hollow cavity, a first gas port is arranged in the hollow cavity, the lower end of the connecting stud is fixedly connected with the first fastening block, the upper end of the connecting stud is fixedly connected with the first vacuum adsorption disc, the adsorption disc surface of the first vacuum adsorption disc faces upwards, and a first subdivision waterway diffusion structure is arranged on the surface of the adsorption disc surface of the first vacuum adsorption disc; the bottom air inlet of the first vacuum adsorption gas pipeline is communicated with an external air source pipeline through a first gas port, and the top air outlet of the first vacuum adsorption gas pipeline extends to the adsorption disk surface of the first vacuum adsorption disk and is used for forming negative pressure between the adsorption disk surface and the lower surface of the sample matrix; the water inlet of the first waterway pipeline is communicated with the first fastening block, and the water outlet of the first waterway pipeline is communicated with the first subdivided waterway diffusion structure;
the control device is arranged at the top of the peripheral main frame and comprises a control mechanism and a display screen, a control button is arranged on a shell of the control mechanism and is electrically connected with a control port corresponding to the control mechanism, a signal input end of the control mechanism is electrically connected with a signal output end of the tension sensor through a first bus, and a control signal output end of the control mechanism is electrically connected with a control end of the external pressure applying mechanism through a second bus; the display screen is fixedly arranged at the top of the peripheral main frame, and the signal input end of the display screen is electrically connected with the data signal output end of the control mechanism.
2. A supersonic laser deposited coating bond strength tester according to claim 1, wherein: the peripheral total frame comprises a supporting leg frame, a bearing plate, a surrounding baffle and a bearing cover plate, wherein the bearing plate is horizontally arranged on the supporting leg frame; the enclosing block is a three-sided hollow frame body, and the bottom of the enclosing block is fixedly arranged on the bearing plate; the bearing cover plate is arranged at the top of the enclosure, is jointly lapped with the enclosure and the bearing plate to form a frame structure with a test cavity, and is provided with a through hole in the middle for the pressure application end of the external pressure application mechanism to pass through.
3. A supersonic laser deposited coating bond strength tester according to claim 2, wherein: the external pressing mechanism comprises a press machine and a press machine moving rod, and the press machine is arranged on the bearing cover plate; the press machine moving rod is movably arranged in the through hole in the middle of the bearing cover plate in a penetrating mode, the top of the press machine moving rod is connected with the pressing part of the press machine, and the bottom of the press machine moving rod is used as the pressing end of the external pressing mechanism and is connected with the upper adsorption part.
4. A supersonic laser deposited coating bond strength tester according to claim 3, wherein: the first vacuum adsorption disc and the second vacuum adsorption disc are conical in shape, and the first vacuum adsorption disc and the second vacuum adsorption disc are coaxial.
5. A supersonic laser deposited coating bond strength tester according to claim 4, wherein: the first subdivided waterway diffusion structure and the second subdivided waterway diffusion structure are both of a plurality of circular ring structures and are used for uniformly distributing water on the surface of the sample matrix so as to realize the sealing between contact surfaces.
6. A supersonic laser deposited coating bond strength tester according to claim 1, wherein: the control button comprises an opening and closing control switch used for controlling the starting and closing of a power supply of the machine, a pulling/pressure control switch used for pulling/pressing actions of the press, a pause/starting control switch used for controlling the pause/starting of the press and an opening and closing control switch of the vacuum adsorption system, wherein the opening and closing control switch, the pulling/pressure control switch, the pause/starting control switch and the opening and closing control switch of the vacuum adsorption system are respectively and electrically connected with corresponding control ports of the control mechanism.
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| JP2013169640A (en) * | 2012-02-23 | 2013-09-02 | Dainippon Printing Co Ltd | Frame body conveying device and suction method and suction releasing method using the frame body conveying device |
| CN109632632A (en) * | 2018-12-20 | 2019-04-16 | 西安交通大学 | The quantitative detecting method of single ceramic booth piece and the microcosmic associativity of matrix |
| WO2021189278A1 (en) * | 2020-03-25 | 2021-09-30 | 成都飞机工业（集团）有限责任公司 | Thin plate part vacuum adsorption tool and thin plate part numerical control machining clamping method |
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