CN110954759B - Evaluation device for piezoelectric phase change point in production process - Google Patents
Evaluation device for piezoelectric phase change point in production process Download PDFInfo
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- CN110954759B CN110954759B CN201811132228.0A CN201811132228A CN110954759B CN 110954759 B CN110954759 B CN 110954759B CN 201811132228 A CN201811132228 A CN 201811132228A CN 110954759 B CN110954759 B CN 110954759B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
Abstract
The invention relates to the technical field of piezoelectric materials, and discloses an evaluation device for piezoelectric phase change points in a production process. The invention adopts the heat-insulating square plate with the plurality of placing round holes, so that a plurality of piezoceramic materials can be placed, the heat-insulating square plate is suitable for batch detection of the piezoceramic materials produced in batches in factories, the heat-insulating cover is added, the effect of heating the control curve of the transient heat-insulating method is achieved, the heat storage sheet measuring contact with the moving function is adopted, the rapid detection of the same batch of piezoceramic materials is facilitated, the detection efficiency is improved, the evaluation information can be stored, and the centralized evaluation of quality testing personnel is facilitated.
Description
Technical Field
The invention relates to an evaluating method and device, in particular to an evaluating device for a piezoelectric phase change point in a production process, and belongs to the technical field of piezoelectric materials.
Background
In the batch production process of the piezoelectric ceramic material, the evaluation of the phase change point of the piezoelectric material is crucial, and the index of the phase change point is directly related to the actual use range of the piezoelectric material and the stability problem in the use process. The measurement of a phase change point of a piezoelectric material by a scientific research institute usually needs to build a relatively precise measurement system to realize the test of the phase change point.
However, this system is expensive in cost, cannot become a production quality control means of a factory, the production quantity of piezoceramic materials is large, the quality inspection and evaluation speed needs to be increased, a general measuring probe is not suitable for rapidly moving the same piezoceramic material and replacing the position detection structure, so that the efficiency is low, the detection and evaluation of the piezoceramic materials are easily affected by the change of ambient temperature, and the accurate result of the detection and evaluation is also affected. Therefore, an evaluation device of the piezoelectric phase transformation point in the production process is proposed to solve the above problems.
Disclosure of Invention
The present invention is directed to solving the above problems by providing an evaluation apparatus for a piezoelectric phase transition point in a production process.
The invention realizes the purpose by the following technical scheme, the evaluation device of the piezoelectric phase change point in the production process comprises a constant temperature heat supply platform, a high-precision digital electric bridge, a detection moving mechanism and a transient heat preservation mechanism, wherein the constant temperature heat supply platform is placed on one side of the top of a bearing table, the high-precision digital electric bridge is placed on the other side of the top of the bearing table, the detection moving mechanism comprises a heat accumulation sheet measuring contact, a pneumatic push rod, a moving block, a linear motor, U-shaped long plates, a screw rod, a strip-shaped through hole and a screw cap, the heat accumulation sheet measuring contact is installed at one end of a telescopic rod of the pneumatic push rod, the pneumatic push rod is installed on one side surface of the moving block, the moving block is installed on a moving structure of the linear motor, the U-shaped long plates are provided with two U-shaped long plates, the two U-shaped long plates are respectively installed on the tops of the two side surfaces of the constant temperature heat supply platform, and the screw rod is rotatably installed in the U-shaped long plates, and screw rod threaded connection has the nut, the bar through-hole is seted up in U type rectangular slab top, and slidable mounting has T type slider in the bar through-hole, the extension board is installed perpendicularly at T type slider top, short duration heat preservation mechanism is including keeping warm and covering, electric putter and square frame, the square frame suit is at the middle part around constant temperature heat supply platform, and the equal perpendicular telescopic link one end of installing electric putter in square frame top four corners department, electric putter installs on the cover surface that keeps warm.
Preferably, one end of the T-shaped sliding block penetrates through the strip-shaped through hole to be installed on the surface of the nut.
Preferably, the linear motor is arranged on the top between the two support plates.
Preferably, the heat storage plate measuring contact is connected with a transmission socket on the high-precision digital bridge through a transmission line.
Preferably, the heat preservation cover is a square structure mechanism, and the heat preservation cover covers around the constant temperature heat supply platform.
Preferably, the pneumatic push rod consists of a cylinder and a piston rod, and the air inlet and outlet ports of the pneumatic push rod are connected with an external pneumatic controller and an air pump through hoses.
Preferably, a motor is installed on one end face of the U-shaped long plate, and one end of a shaft rod of the motor is installed at one end of the screw rod.
Preferably, adiabatic square plate has been placed at constant temperature heat supply platform top, and adiabatic square plate surface rectangle distributes and has seted up a plurality of and place the round hole, place and seted up the annular groove around the round hole port.
Preferably, the screw pitch of the screw is the same as the screw pitch precision of a screw on a machine tool.
Preferably, the front end of the top surface of the constant-temperature heat supply platform is provided with a scale mark, and the middle part of the scale mark is zero.
The invention has the beneficial effects that:
this kind of piezoelectricity phase transition point adopts the adiabatic square plate that has a plurality of round holes of placing in production process, a plurality of piezoceramics materials are just placed to the piezoceramics material who is applicable to factory batch production detects in batches, increase the cover that keeps warm, reach the effect of the short heat preservation method control curve of heating, adopt the heat accumulation piece measuring contact of removal function, be convenient for carry out short-term the detection to piezoceramics material with batching, improve detection efficiency, can store evaluation information, be favorable to quality control personnel to concentrate and evaluate.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a top view of the constant temperature heating platform of the present invention.
In the figure: 1. constant temperature heat supply platform, 2, the nut, 3, the screw rod, 4, bear the table, 5, high accuracy digital bridge, 6, U type long slab, 7, T type slider, 8, extension board, 9, adiabatic square slab, 10, heat accumulation piece measuring contact, 11, pneumatic push rod, 12, movable block, 13, linear electric motor, 14, heat preservation cover, 15, electric putter, 16, square frame, 17, place the round hole, 18, the motor, 19, bar through-hole, 20, scale mark.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the evaluation device for piezoelectric phase change points in a production process comprises a constant temperature heat supply platform 1, a high-precision digital bridge 5, a detection moving mechanism and a transient heat preservation mechanism, wherein the constant temperature heat supply platform 1 is placed on one side of the top of a bearing table 4, the high-precision digital bridge 5 is placed on the other side of the top of the bearing table 4, the detection moving mechanism comprises a heat accumulation piece measuring contact 10, a pneumatic push rod 11, a moving block 12, a linear motor 13, two U-shaped long plates 6, a screw rod 3, a strip-shaped through hole 19 and a nut 2, the heat accumulation piece measuring contact 10 is installed at one end of a telescopic rod of the pneumatic push rod 11, the pneumatic push rod 11 is installed on one side surface of the moving block 12, the moving block 12 is installed on a moving structure of the linear motor 13, the two U-shaped long plates 6 are arranged, and the two U-shaped long plates 6 are respectively installed on the tops of two side surfaces of the constant temperature heat supply platform 1, screw rod 3 is installed to 6 internal rotations of U type rectangular plate, and 3 threaded connection of screw rod have nut 2, bar through-hole 19 is seted up at 6 tops of U type rectangular plate, and slidable mounting has T type slider 7 in the bar through-hole 19, extension board 8 is installed perpendicularly at 7 tops of T type slider, short duration heat preservation mechanism is including heat preservation cover 14, electric putter 15 and square frame 16, 16 suits of square frame are at the middle part around constant temperature heat supply platform 1, and 16 top four corners departments of square frame all install electric putter 15's telescopic link one end perpendicularly, electric putter 15 installs and covers 14 surfaces at heat preservation.
One end of the T-shaped sliding block 7 penetrates through the strip-shaped through hole 19 to be installed on the surface of the nut 2, so that the nut 2 and the T-shaped sliding block 7 are driven to linearly move through the rotating screw rod 3 under the mutual action of force; the linear motor 13 is arranged at the top between the two support plates 8, so that the effect of fixedly installing the linear motor 13 is achieved; the heat accumulation plate measuring contact 10 is connected with a transmission socket on the high-precision digital bridge 5 through a transmission line, so that the transmission of detection data is facilitated; the heat-insulating cover 14 is a square structure mechanism, and the heat-insulating cover 14 covers the periphery of the constant-temperature heat supply platform 1 to avoid heat diffusion; the pneumatic push rod 11 consists of an air cylinder and a piston rod, and the air inlet and outlet ports of the pneumatic push rod 11 are connected with an external pneumatic controller and an air pump through hoses, so that the extension and contraction length of a telescopic rod of the pneumatic push rod 11 can be controlled; a motor 18 is arranged on the end face of one end of the U-shaped long plate 6, and one end of a shaft rod of the motor 18 is arranged at one end of the screw rod 3, so that the screw rod 3 can be driven to rotate; the top of the constant-temperature heat supply platform 1 is provided with a heat insulation square plate 9, a plurality of placing circular holes 17 are formed in the surface of the heat insulation square plate 9 in a rectangular distribution mode, and annular grooves are formed around the ports of the placing circular holes 17 to facilitate placing of piezoceramic materials; the pitch of the screw 3 is the same as that of a lead screw on a machine tool, so that the effect of accurate movement is achieved; scale mark 20 has been seted up to 1 top surface front end of constant temperature heat supply platform, and 20 middle parts of scale mark are zero, are convenient for adjust the position of placing adiabatic square slab 9.
A method for evaluating a piezoelectric phase change point in a production process comprises the following steps:
1) placing piezoceramic materials, namely sequentially and correspondingly placing a plurality of thinned and miniaturized piezoceramic materials to be detected between the thickness of 40-850 mu m and the diameter of 6-30 mm in an annular groove around the port of the placing round hole 17 on the heat insulation square plate 9, then placing the heat insulation square plate 9 filled with the piezoceramic materials in the middle of the constant-temperature heat supply platform 1, and placing the plurality of piezoceramic materials by adopting the heat insulation square plate 9 driving the plurality of placing round holes 17, so that the piezoceramic materials are suitable for batch detection of the piezoceramic materials produced in batches in factories;
2) heating and insulating, namely electrifying the constant-temperature heat supply platform 1 to generate constant-temperature heat, closing the heat-insulating cover 14 around the constant-temperature heat supply platform 1 through an electric push rod 15 in a contraction state, detecting when the temperature in the heat-insulating cover 14 reaches the constant-temperature required by evaluation, adding the heat-insulating cover 14, and achieving the effect of heating a transient heat-insulating method control curve;
3) the movement is detected one by one, the heat accumulation piece measuring contact 10 is driven by a screw cap 6, a T-shaped slide block 7 and a pneumatic push rod 11 which is provided with a support plate 8 of the linear motor 13 and is linearly moved and is movably controlled in the Z-axis direction through a linear motor 13 movably controlled in the X-axis direction and a driving screw 3 movably controlled in the Y-axis direction, reasonable coordinated movement is carried out at the same time, and the heat accumulation piece measuring contact 10 is moved under the action of a built-in controller, so that the heat accumulation piece measuring contact 10 is sequentially attached to the surfaces of corresponding piezoelectric ceramic materials one by one to be detected, the heat accumulation piece measuring contact 10 with the moving function is adopted, the rapid detection on the same batch of piezoelectric ceramic materials is facilitated, and the detection efficiency is improved;
4) and (3) evaluating, wherein the heat accumulation sheet measuring contact 10 transmits the detected piezoceramic material data into the high-precision digital bridge 5, generates a curve on a display screen to display a piezoelectric phase change point, and stores evaluation information, thereby being beneficial to centralized evaluation by quality testing personnel.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. An evaluating device of a piezoelectric phase change point in a production process is characterized in that: the device comprises a constant-temperature heat supply platform (1), a high-precision digital bridge (5), a detection moving mechanism and a transient heat preservation mechanism, wherein the constant-temperature heat supply platform (1) is placed on one side of the top of a bearing table (4), and the high-precision digital bridge (5) is placed on the other side of the top of the bearing table (4);
the detection moving mechanism comprises a heat accumulation plate measuring contact (10), a pneumatic push rod (11), a moving block (12), a linear motor (13), a U-shaped long plate (6), a screw rod (3), two strip-shaped through holes (19) and a nut (2), wherein the heat accumulation plate measuring contact (10) is installed at one end of a telescopic rod of the pneumatic push rod (11), the pneumatic push rod (11) is installed on one side surface of the moving block (12), the moving block (12) is installed on a moving structure of the linear motor (13), the two U-shaped long plates (6) are respectively installed at the tops of the two side surfaces of the constant-temperature heat supply platform (1), the screw rod (3) is installed in the U-shaped long plate (6) in a rotating mode, the screw rod (3) is in threaded connection with the nut (2), the strip-shaped through holes (19) are formed in the tops of the U-shaped long plates (6), and a T-shaped sliding block (7) is installed in the strip-shaped through holes (19) in a sliding mode, a support plate (8) is vertically arranged at the top of the T-shaped sliding block (7);
the transient heat-preservation mechanism comprises a heat-preservation cover (14), an electric push rod (15) and a square frame (16), the square frame (16) is sleeved at the middle part of the periphery of the constant-temperature heat supply platform (1), the four corners of the top of the square frame (16) are vertically provided with one end of a telescopic rod of the electric push rod (15), and the electric push rod (15) is arranged on the surface of the heat-preservation cover (14); adiabatic square board (9) have been placed at constant temperature heat supply platform (1) top, and adiabatic square board (9) surface rectangle distributes and has seted up a plurality of and place round hole (17), place round hole (17) port and seted up annular groove around.
2. The evaluation apparatus for the piezoelectric phase transition point in the production process according to claim 1, wherein: one end of the T-shaped sliding block (7) penetrates through the strip-shaped through hole (19) to be installed on the surface of the nut (2).
3. An evaluation device for a piezoelectric phase change point in a production process according to claim 1, wherein: the linear motor (13) is arranged on the top between the two support plates (8).
4. The evaluation apparatus for the piezoelectric phase transition point in the production process according to claim 1, wherein: the heat accumulation piece measuring contact (10) is connected with a transmission socket on the high-precision digital bridge (5) through a transmission line.
5. The evaluation apparatus for the piezoelectric phase transition point in the production process according to claim 1, wherein: the heat preservation cover (14) is a square structure mechanism, and the heat preservation cover (14) covers around the constant temperature heat supply platform (1).
6. The evaluation apparatus for the piezoelectric phase transition point in the production process according to claim 1, wherein: the pneumatic push rod (11) consists of an air cylinder and a piston rod, and the air inlet and outlet ports of the pneumatic push rod (11) are connected with an external pneumatic controller and an air pump through hoses.
7. An evaluation device for a piezoelectric phase change point in a production process according to claim 1, wherein: and a motor (18) is arranged on the end face of one end of the U-shaped long plate (6), and one end of a shaft rod of the motor (18) is arranged at one end of the screw rod (3).
8. The evaluation apparatus for the piezoelectric phase transition point in the production process according to claim 1, wherein: the screw pitch of the screw (3) is the same as the screw pitch precision of a lead screw on a machine tool.
9. The evaluation apparatus for the piezoelectric phase transition point in the production process according to claim 1, wherein: scale marks (20) are arranged at the front end of the top surface of the constant-temperature heat supply platform (1), and the middle of each scale mark (20) is zero.
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| CN201811132228.0A CN110954759B (en) | 2018-09-27 | 2018-09-27 | Evaluation device for piezoelectric phase change point in production process |
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