CN210533063U - Oscillating pressure material processing system based on linear motion - Google Patents
Oscillating pressure material processing system based on linear motion Download PDFInfo
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- CN210533063U CN210533063U CN201921012481.2U CN201921012481U CN210533063U CN 210533063 U CN210533063 U CN 210533063U CN 201921012481 U CN201921012481 U CN 201921012481U CN 210533063 U CN210533063 U CN 210533063U
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Abstract
The utility model discloses an oscillating pressure material processing system based on linear motion, which comprises a loading pressure head and an oscillating frequency, pressure and amplitude adjustable pressure applying device; the loading pressure head is arranged at the upper part in the vacuum furnace body, the pressure applying device comprises a base fixed on a host frame, the top of the base is provided with a displacement sensor, a flat permanent magnet is fixed on the base and serves as a stator, and a rotor base capable of moving up and down along a guide rail is arranged above the stator; the rotor seat is fixed at the top of the loading pressure head, a coil winding is fixed in the rotor seat, and the coil winding is connected with a control system; the loading pressure head is provided with a load sensor, and the control system controls the frequency, pressure and amplitude of the reciprocating motion of the rotor base through signals fed back by the load sensor and the displacement sensor. The utility model discloses a loading system can provide frequency and amplitude adjustable high frequency alternating pressure for the material processing process, and alternating pressure can promote the goods performance, and has shortened the material processing time, has reduced the material processing temperature, practices thrift the energy consumption by a wide margin.
Description
Technical Field
The utility model relates to a material processing technology field specifically is an oscillating pressure material processing system based on linear motion.
Background
The fields of aerospace, rail transit, military industry and the like put higher and higher requirements on metal materials, powder metallurgy materials, ceramic materials, composite materials and the like, and the traditional material treatment method faces serious challenges. The application of high temperature and constant mechanical pressure or isostatic pressing in the preparation and processing processes of the material is a more common material processing method, and can improve the density of the material, reduce holes and improve the mechanical property of the material. The alternating pressure is used for replacing constant mechanical pressure or isostatic pressure, so that the density of the product can be further improved, the microstructure of the product is improved, and the mechanical property of the material is improved. In the past, an oscillating load is applied in a servo hydraulic mode, the system is complex, the power of a hydraulic station is high, continuous work is required, the energy consumption is high, the oscillating frequency is low, and the displacement amplitude is limited.
SUMMERY OF THE UTILITY MODEL
To the above problem, an object of the utility model is to provide a can effectively provide the adjustable frequency alternating pressure on a large scale, change the atress on the grain boundary, restrain the crystalline grain alligatoring, improve crystalline grain appearance, improve the oscillating pressure material processing system based on linear motion of goods mechanical properties. The technical scheme is as follows:
an oscillating pressure material processing system based on linear motion comprises a loading pressure head, an oscillating frequency, pressure and amplitude adjustable pressure applying device and a control system; the loading pressure head is arranged at the upper part in the vacuum furnace body; the pressure applying device comprises a base fixed on a host frame, a displacement sensor is arranged at the top of the base, a flat permanent magnet is fixed on the base and serves as a stator, a rotor seat capable of freely moving up and down along a guide rail is arranged above the stator, the rotor seat is fixed at the top of the loading pressure head, a coil winding is fixed in the rotor seat, and the coil winding is connected with a control system; the loading pressure head is provided with a load sensor, and the control system controls the frequency, the pressure and the amplitude of the reciprocating motion of the rotor base through signals fed back by the load sensor and the displacement sensor.
Furthermore, the frequency of the pressure applying device is 0.01-100Hz, the pressure is 0-100MPa, and the displacement amplitude is 0-100 mm.
Furthermore, the bottom of the vacuum furnace body is provided with a telescopic pressure head for adjusting the height of the sample up and down.
Furthermore, the vacuum furnace body is a single-chamber clam shell type, a front door is opened, the vacuum furnace body is vertically installed, a heating chamber is arranged in the furnace body and used for vacuum or protective atmosphere, and the heating body is an electric heating wire made of iron-chromium-aluminum, nickel-chromium, tungsten-rhenium, platinum-iridium or molybdenum, or a heating rod made of silicon-molybdenum, silicon-carbon, lanthanum chromate, zirconium oxide, zirconium boride or graphite.
Furthermore, the device also comprises a temperature control system 10, wherein the temperature control system comprises a high-power three-phase alternating current transformer, a power controller, a temperature controller and a thermocouple or an infrared temperature measuring device; an external three-phase alternating current power supply enters the electric cabinet and is connected with the power controller, and then is converted into a low-voltage direct current power supply by a high-power three-phase alternating current transformer and is transmitted to a heating body in the furnace body; the thermocouple or the infrared temperature measuring device is arranged near the heating body, the measured temperature signal is transmitted to the temperature controller, and the temperature controller sends a signal to the power controller according to the process parameters to adjust the heating power, so that closed-loop control is formed.
Furthermore, the top and the bottom of the vacuum furnace body are respectively provided with two separated high-voltage wiring terminals, the upper electrode is connected to a programmable control high-voltage power supply through the high-voltage wiring terminal at the top, and the lower electrode is connected to the programmable control high-voltage power supply through the high-voltage wiring terminal at the bottom.
Furthermore, the device also comprises a pneumatic control system 11 for realizing the operations of vacuumizing and filling protective atmosphere, wherein the protective atmosphere of the pneumatic control system is argon or nitrogen.
The utility model has the advantages that: the utility model discloses a loading system can provide frequency and amplitude adjustable high frequency alternating pressure for the material processing process, and alternating pressure can promote the goods performance, has shortened the material processing time moreover, has reduced the material processing temperature, practices thrift the energy consumption by a wide margin.
Drawings
FIG. 1 is a schematic diagram of an oscillating material processing system according to the present invention.
FIG. 2 is a schematic diagram of an oscillating material processing system loading device as set forth in example 1.
Fig. 3 is a schematic diagram of an oscillating material processing system loading device as set forth in example 2.
In the figure: 1-loading a pressure head; 2-a flat permanent magnet; 3-a coil winding; 4-a load cell; 5-a displacement sensor; 6-host framework; 7-vacuum furnace body; 8-an electronic control system; 9-a vacuum pump group; 10-a temperature control system; 11-a pneumatic control system; 12-a base; 13-guide rail.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. As shown in fig. 1, the oscillating pressure material processing system based on linear motion of the present invention includes a loading ram 1, a pressure applying device with adjustable oscillating frequency, pressure and amplitude, and a control system; the loading pressure head 1 is arranged at the upper part in the vacuum furnace body 7; the pressure applying device comprises a base 12 fixed on a main frame 6, a displacement sensor 5 is arranged at the top of the base, a flat permanent magnet 2 is fixed on the base and serves as a stator, a rotor seat capable of freely moving up and down along a guide rail 13 is arranged above the stator, a coil winding 3 is fixed in the rotor seat, the coil winding 3 is connected with a control system 8, and the rotor seat is fixed at the top of a loading pressure head 1; a load sensor 4 is arranged on the loading pressure head 1; and the control system 8 controls the frequency, pressure and amplitude of the reciprocating motion of the rotor base through signals fed back by the load sensor 4 and the displacement sensor 5.
The bottom of the vacuum furnace body 7 is provided with a telescopic pressure head for adjusting the height of the sample up and down. The top and the bottom of the vacuum furnace body 7 are respectively provided with two separated high-voltage wiring terminals, the upper electrode is connected to a programmable control high-voltage power supply through the high-voltage wiring terminal at the top, and the lower electrode is connected to the programmable control high-voltage power supply through the high-voltage wiring terminal at the bottom.
The temperature control system 10 comprises a high-power three-phase alternating-current transformer, a power controller, a temperature controller and a thermocouple or an infrared temperature measuring device; an external three-phase alternating current power supply enters the electric cabinet and is connected with the power controller, and then is converted into a low-voltage direct current power supply by a high-power three-phase alternating current transformer and is transmitted to a heating body in the furnace body; the thermocouple or the infrared temperature measuring device is arranged near the heating body, the measured temperature signal is transmitted to the temperature controller, and the temperature controller sends a signal to the power controller according to the process parameters to adjust the heating power, so that closed-loop control is formed.
Example 1
The top of the vacuum furnace body is provided with a loading pressure head 1, a high-precision load sensor 4 is installed on the pressure head, a base 12 of a pressure applying device is fixed on a host frame 6, a flat permanent magnet 2 is fixed on the base 12 and serves as a stator, a rotor seat capable of freely moving up and down along a guide rail 13 is arranged above the stator, a coil winding 3 is fixed inside the rotor seat, the coil winding 3 is connected with a control system 8, and the loading pressure head 1 is connected to the rotor seat. And a high-precision displacement sensor 5 is also arranged at the top of the pressure applying device. The control system 8 controls the frequency, pressure and amplitude of the reciprocating motion of the rotor base through signals fed back by the high-precision force sensor 4 and the displacement sensor 5, the frequency can be adjusted at will between 0.01 Hz and 100Hz, the pressure can be adjusted at will between 1 MPa and 100MPa, and the displacement can be adjusted at will between 0mm and 100 mm. A telescopic pressure head is arranged at the bottom of the vacuum furnace, and the height of the sample can be adjusted up and down. The upper pressure head and the lower pressure head of the pressure system are made of high-strength graphite blocks, and the bearing pressure of the pressure heads is not lower than 100 MPa. The furnace body is a single-chamber clam shell type, a front door is opened, the furnace body is vertically installed, a heating chamber is arranged in the furnace body and used for vacuum or protective atmosphere, and the heating body is made of high-purity graphite. The pneumatic control system is used for realizing the operations of vacuumizing and filling protective atmosphere, and the protective atmosphere is generally argon or nitrogen.
Example 2
The top of the vacuum furnace body is provided with a loading pressure head 1, a high-precision load sensor 4 is installed on the pressure head, a base 12 of a pressure applying device is fixed on a main frame 6, a coil winding 3 is fixed on the base 12 and serves as a stator, the coil winding 3 is connected with a control system 8, a rotor base capable of freely moving up and down along a guide rail 13 is arranged above the stator, a flat permanent magnet 2 is fixed inside the rotor base, and the loading pressure head 1 is connected onto the rotor base. And a high-precision displacement sensor 5 is also arranged at the top of the pressure applying device. The control system 8 controls the frequency, pressure and amplitude of the reciprocating motion of the rotor base through signals fed back by the high-precision force sensor 4 and the displacement sensor 5, the frequency can be adjusted at will between 0.01 Hz and 100Hz, the pressure can be adjusted at will between 1 MPa and 100MPa, and the displacement can be adjusted at will between 0mm and 100 mm. A telescopic pressure head is arranged at the bottom of the vacuum furnace, and the height of the sample can be adjusted up and down. The upper pressure head and the lower pressure head of the pressure system are made of high-strength graphite blocks, and the bearing pressure of the pressure heads is not lower than 100 MPa. The furnace body is a single-chamber clam shell type, a front door is opened, the furnace body is vertically installed, a heating chamber is arranged in the furnace body and used for vacuum or protective atmosphere, and the heating body is made of high-purity graphite. The pneumatic control system is used for realizing the operations of vacuumizing and filling protective atmosphere, and the protective atmosphere is generally argon or nitrogen.
Claims (7)
1. An oscillating pressure material processing system based on linear motion is characterized by comprising a loading pressure head (1), a pressure applying device with adjustable oscillating frequency, pressure and amplitude, and a control system; the loading pressure head (1) is arranged at the upper part of the vacuum furnace body (7); the pressing device comprises a base (12) fixed on a host frame (6), a displacement sensor (5) is arranged at the top of the base, a flat permanent magnet (2) is fixed on the base and serves as a stator, and a rotor seat capable of freely moving up and down along a guide rail (13) is arranged above the stator; the rotor seat is fixed on the top of the loading pressure head (1), a coil winding (3) is fixed in the rotor seat, and the coil winding (3) is connected with a control system (8); and a load sensor (4) is installed on the loading pressure head (1), and the control system (8) controls the reciprocating frequency, pressure and amplitude of the rotor base through signals fed back by the load sensor (4) and the displacement sensor (5).
2. The oscillating pressure material processing system based on linear motion of claim 1, wherein the pressure applying device is of frequency 0.01-100Hz, pressure 0-100MPa and displacement amplitude 0-100 mm.
3. The oscillating pressure material processing system based on linear motion according to claim 1, characterized in that the bottom of the vacuum furnace body (7) is provided with a telescopic pressure head for adjusting the height of the sample up and down.
4. The oscillating pressure material processing system based on linear motion of claim 1, characterized in that the vacuum furnace body (7) is a single chamber clam shell type, front opening, vertical installation, there is a heating chamber in the furnace body, the heating chamber is used for vacuum or protective atmosphere, the heating body is a heating wire made of iron chromium aluminum, nickel chromium, tungsten rhenium, platinum iridium or molybdenum, or a heating rod made of silicon molybdenum, silicon carbon, lanthanum chromate, zirconium oxide, zirconium boride or graphite.
5. The oscillating pressure material processing system based on linear motion of claim 1, further comprising a temperature control system (10), wherein the temperature control system (10) comprises a high-power three-phase ac transformer, a power controller and a temperature controller, and a thermocouple or an infrared temperature measuring device; an external three-phase alternating current power supply enters the electric cabinet and is connected with the power controller, and then is converted into a low-voltage direct current power supply by a high-power three-phase alternating current transformer and is transmitted to a heating body in the furnace body; the thermocouple or the infrared temperature measuring device is arranged near the heating body, the measured temperature signal is transmitted to the temperature controller, and the temperature controller sends a signal to the power controller according to the process parameters to adjust the heating power, so that closed-loop control is formed.
6. The oscillating pressure material processing system based on linear motion according to claim 1, characterized in that the vacuum furnace body (7) is provided with two separate high voltage terminals at the top and bottom, the upper electrode is connected to the programmable control high voltage power supply through the top high voltage terminal, and the lower electrode is connected to the programmable control high voltage power supply through the bottom high voltage terminal.
7. The oscillating pressure material processing system based on linear motion according to claim 1, characterized by further comprising a pneumatic control system (11) for realizing the operations of vacuum pumping and protective atmosphere filling, wherein the protective atmosphere of the pneumatic control system (11) is argon or nitrogen.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110260671A (en) * | 2019-07-02 | 2019-09-20 | 成都易飞得材料科技有限公司 | A kind of oscillation pressure material handling system based on linear motion |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110260671A (en) * | 2019-07-02 | 2019-09-20 | 成都易飞得材料科技有限公司 | A kind of oscillation pressure material handling system based on linear motion |
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