CN218575244U - Metal construction connecting device - Google Patents

Metal construction connecting device Download PDF

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Publication number
CN218575244U
CN218575244U CN202222782252.7U CN202222782252U CN218575244U CN 218575244 U CN218575244 U CN 218575244U CN 202222782252 U CN202222782252 U CN 202222782252U CN 218575244 U CN218575244 U CN 218575244U
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China
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pressure column
electric field
ultrasonic
furnace body
sample
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CN202222782252.7U
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郝海
左国良
白玉
孟令刚
张兴国
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Dalian University of Technology
Ningbo Research Institute of Dalian University of Technology
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Dalian University of Technology
Ningbo Research Institute of Dalian University of Technology
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency

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Abstract

The utility model relates to a metal construction connecting device, which comprises a furnace body, wherein a cavity is formed in the furnace body; the pressurizing system comprises an upper pressure column and a lower pressure column for placing a constructed sample thereon, wherein the upper pressure column and the lower pressure column are vertically arranged and are at least partially positioned in the cavity, and the upper pressure column is positioned above the lower pressure column and can move towards the direction close to the lower pressure column so as to apply pressure to the constructed sample on the lower pressure column; the heater is arranged on the furnace body; the vacuum system is communicated with the cavity and is used for vacuumizing the cavity; an electric field system for applying an electric field to the formation sample and/or an ultrasonic system for applying an ultrasonic field to the formation sample, the electric field system and/or the ultrasonic system each being at least partially located within the chamber. The method avoids the complexity caused by the fact that after heating is completed, conveying equipment is required to be conveyed to the next procedure for carrying out, namely, the procedures of constructing and connecting are reduced, and the method is beneficial to improving the production efficiency and reducing the energy consumption of metal constructing and connecting.

Description

Metal construction connecting device
Technical Field
The utility model relates to a connecting device, concretely relates to metal builds connecting device.
Background
The solid connection has the advantages that the base material is not melted in the connection process, no obvious heat affected zone is arranged at the welding seam, the connection joint part presents uniform fine grain structure, the connection strength and the connection precision are good, and the mechanical property even exceeds the base material. The existing solid-state connection technology mainly comprises cold pressure welding, friction welding, diffusion welding, explosion welding, cold spraying and the like, and is widely applied to connection forming of metal materials such as stainless steel, titanium alloy, aluminum alloy and the like. The size effect exists in the metal material solidification process, and the large cast ingot solidification defect seriously influences the production quality of large forgings. For a long time, experts in domestic and foreign industries have proposed various methods for improving the quality of casting blanks, such as a semi-solid forming method, a low-oxygen pure purification casting method, a multi-ladle layered casting method, an external field auxiliary melting method, a new laser additive manufacturing method and the like. The methods have certain effects on the aspects of less ingot casting segregation, less inclusions, less center porosity and the like, but the methods cannot meet the requirement of homogenization production of the blank for the large-scale high-quality forging. For this reason, a "primitive construction, small-sized and large-sized" metal construction forming technology has appeared.
For example, the manufacturing system disclosed in the invention patent "manufacturing system for metal construction forming and manufacturing process" of china, whose patent number is ZL201610083672.2 (publication number is CN 105537749B), includes: a stacking unit configured to stack the plurality of metal elements into a predetermined shape; a packaging unit configured to package the plurality of metal elements stacked in a predetermined shape into a preform; a forge welding unit configured to forge weld the preform to obtain a part blank, the forge welding unit comprising a heating device, a forging device, a transport device and a stacking station comprising a positioning device. Each device in the manufacturing system corresponding to the patent is independently arranged, and the length of time for transferring the devices is Cheng Hao, so that the production efficiency is reduced, and the volume of the manufacturing system is increased; in addition, in the stacking process, all elements need to be aligned, and then the stacked samples need to be sealed and welded, so that the process is complicated, and the assembly efficiency is low.
Therefore, further improvements to existing metal construction equipment are needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem to provide a metal of equipment integration for improving work efficiency builds connecting device to the current situation of above-mentioned prior art.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a metal construction joint comprising:
the furnace body is hollow inside and provided with a cavity;
the pressurizing system comprises an upper pressure column and a lower pressure column for placing a constructed sample on the upper pressure column, the upper pressure column and the lower pressure column are vertically arranged and are at least partially positioned in the cavity, and the upper pressure column is positioned above the lower pressure column and can move towards the direction close to the lower pressure column so as to pressurize the constructed sample on the lower pressure column;
the heater is arranged on the furnace body and used for heating a constructed sample in the cavity;
the vacuum system is communicated with the cavity and is used for vacuumizing the cavity;
the system is characterized by further comprising an electric field system for applying an electric field to the constructed sample and/or an ultrasonic system for applying an ultrasonic field to the constructed sample, wherein the electric field system and/or the ultrasonic system are at least partially positioned in the cavity.
The vacuum system, the heater, the pressurizing system, the electric field system and/or the ultrasonic system in the metal construction device are integrated into a whole, the size is small, the pressurizing assembly, the heating and the application of the electric field and/or the ultrasonic field can be completed in the metal construction connecting device, the complexity caused by the fact that conveying equipment is required to be moved to the next procedure for carrying out after the heating is completed is avoided, the procedures are reduced, and the production efficiency is improved.
In the above scheme, the vacuum system can be positioned behind the furnace body and also can be positioned on the left side or the right side of the furnace body, but preferably, the vacuum system is positioned behind the furnace body and is provided with a pipeline communicated with the chamber.
The electric field system and the ultrasonic system can exist at the same time, only the electric field system or only the ultrasonic system can be arranged, but preferably, the electric field system and the ultrasonic system are both partially positioned in the cavity, the positive pole and the negative pole of the electric field system are respectively arranged on the upper pressing column and the lower pressing column, the negative pole can be contacted with the lower surface of the constructed sample on the lower pressing column, the positive pole can be contacted with the upper surface of the constructed sample on the lower pressing column, and the ultrasonic probe in the ultrasonic system is arranged in the lower pressing column. Therefore, the purpose of pressing can be realized through the upper and lower pressing columns, and an electric field and an ultrasonic field can be applied to a constructed sample.
The electric field system has various structural forms, but preferably comprises an electric field transformer and a controller electrically connected with the electric field transformer, wherein the electric field transformer is electrically connected with the positive electrode and the negative electrode respectively, and the electric field transformer is positioned outside the furnace body.
The constructed sample can be directly placed on the lower pressure column or indirectly placed on the lower pressure column, but preferably, a sample table which is used for placing the constructed sample thereon and can conduct electricity is arranged on the top of the lower pressure column, the sample table can be vertically and movably installed on the lower pressure column, and the sample table and the lower pressure column are both conductive elements. Thus, the distance between the constructed sample and the ultrasonic probe can be adjusted.
Preferably, the upper pressing column and the lower pressing column are both conductive pieces, the positive electrode and the upper pressing column are integrated, and the negative electrode and the lower pressing column are integrated. Further, the positive electrode and the upper pressure column may be in the form of a separate member, and the negative electrode and the lower pressure column may be in the form of a separate member.
The ultrasonic system has various structural forms, but preferably comprises an ultrasonic generator, an amplitude transformer and an ultrasonic transducer electrically connected with the ultrasonic generator, wherein the ultrasonic generator and the ultrasonic transducer are both positioned outside the furnace body, one end of the amplitude transformer is electrically connected with the ultrasonic probe, and the other end of the amplitude transformer is electrically connected with the ultrasonic transducer.
The ultrasonic transducer can be positioned on the left side or the right side of the furnace body, but preferably, the ultrasonic transducer and the horn are both positioned below the furnace body.
The furnace body has a water flow passage for cooling the chamber, the water flow passage being located on the periphery of the chamber and formed in a wall plate of the furnace body, in order to cool a structure sample in the chamber.
Preferably, the water tank is used for introducing liquid into the water flow channel, and the water tank is provided with a first through hole communicated with the inlet of the water flow channel and a second through hole communicated with the outlet of the water flow channel. In addition, a water faucet may be used to directly supply water into the water flow path.
In order to facilitate the support of the furnace body and the up-and-down movement of the upper compression leg, the furnace body is arranged between the upper support beam and the lower support beam, the upper support beam is provided with a hydraulic cylinder capable of driving the upper compression leg to move up and down, the upper end of the upper compression leg is connected with the hydraulic cylinder, the outer sleeve of the upper compression leg is provided with a telescopic pipe connected with the furnace body in a sealing manner, and the part of the upper compression leg is arranged in the cavity.
Compared with the prior art, the utility model has the advantages of: the vacuum system, the heater, the pressurizing system, the electric field system and/or the ultrasonic system in the metal construction device are integrated into a whole, the size is small, the effects of pressurizing assembly, heating and applying the electric field and/or the ultrasonic field can be completed in the metal construction connecting device, the complexity caused by the fact that conveying equipment is required to be moved to the next procedure for carrying out after heating is completed is avoided, namely, the construction connecting procedure is reduced, the production efficiency is improved, and the energy consumption of metal construction connection is reduced.
Drawings
FIG. 1 is a sectional view of the present embodiment;
fig. 2 is a cross-sectional view of another angle of the present embodiment.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 and 2, the metal structure connecting apparatus of the present embodiment includes a furnace body 1, a pressurizing system, a heater 2, an upper support beam 3, a lower support beam 4, a water tank (not shown), a vacuum system, an electric field system, and an ultrasonic system.
As shown in fig. 1 and 2, the upper support beam 3 and the lower support beam 4 are arranged laterally, and the lower support beam 4 is located below the upper support beam 3, while the upper support beam 3 and the lower support beam 4 are supported by the columns 5. Specifically, the columns 5 are vertically arranged, and at least two columns are provided, and in the present embodiment, there are four columns 5 in total. Each of the columns 5 has the same structure, and one of the columns 5 will be described as an example. The upper end of the upright post 5 is connected with the upper supporting beam 3, and the lower end of the upright post 5 is connected with the lower supporting beam 4.
The furnace body 1 is positioned in the space enclosed by the upper supporting beam 3, the lower supporting beam 4 and the two upright posts and is made of stainless steel. The upper supporting beam 3 is provided with a hydraulic cylinder 6 which can drive the upper compression leg 10 to move up and down. The hydraulic cylinder 6 is connected with the hydraulic pump station 7 through an electric control hydraulic valve and a high-pressure oil pipe (not shown). The prior structure is adopted to aforementioned pneumatic cylinder and hydraulic power unit's relation of connection, will not be repeated in detail in this embodiment again.
The furnace body 1 is hollow inside to form a chamber 1a, the furnace body 1 is provided with a water flow channel (not shown) for cooling the chamber 1a, the water flow channel is positioned at the periphery of the chamber 1a, and the water flow channel is formed in the wall plate of the furnace body 1. The water tank is used for introducing liquid into the water flow channel and is provided with a first through hole communicated with the inlet of the water flow channel and a second through hole communicated with the outlet of the water flow channel. So, when needs cool off the cavity, with the water pump in the water tank to the rivers passageway in.
The pressurizing system of the embodiment comprises an upper pressure column 10 and a lower pressure column 11 for placing a constructed sample thereon, wherein the upper pressure column 10 and the lower pressure column 11 are both vertically arranged and are both partially positioned in a chamber 1a, and the upper pressure column 10 is positioned above the lower pressure column 11 and is arranged to move towards the direction close to the lower pressure column 11 so as to pressurize the constructed sample on the lower pressure column 11. Specifically, the upper end of the upper compression leg 10 is connected with the hydraulic cylinder 6, the telescopic pipe 8 hermetically connected with the furnace body 1 is sleeved outside the upper compression leg 10, and the telescopic pipe 8 in this embodiment is a corrugated pipe. The upper pressure column 10 is partially located within the chamber 1 a.
The heater 2 is used for heating the constructed sample in the chamber 1a, and is a ring heater arranged in the chamber of the furnace body 1, the ring heater adopts a structure of a ring heating molybdenum sheet in the prior art, and can also adopt other structural forms, which will not be described in detail in this embodiment. The vacuum system is communicated with the chamber 1a and is positioned behind the furnace body 1 for vacuumizing the chamber 1 a. The vacuum system adopts the vacuum system in the prior art, such as a mechanical pump, a molecular pump and the like, wherein the mechanical pump and the molecular pump are combined together through a vacuum pipeline and then are arranged right behind the furnace body through a sealing joint. Details will not be repeated in this embodiment.
The electric field system is used to apply an electric field to the constructed sample and is located locally within the chamber 1 a. The electric field system comprises an electric field electrode, an electric field transformer 15 and a controller electrically connected with the electric field transformer 15, wherein the controller is used for adjusting current/voltage. The electric field electrode comprises a positive pole and a negative pole, the positive pole is arranged on the upper pressure column 10, and the positive pole and the upper pressure column 10 are integrated. The electric field transformer 15 is electrically connected with the anode and the cathode respectively, and the electric field transformer 15 is positioned outside the furnace body 1. The negative electrode is disposed on the lower pressing column 11 and is integrated with the lower pressing column 11. In addition, the construction sample may be directly placed on the lower compression column or indirectly placed on the lower compression column 11, and specifically, a sample stage (not shown) on which the construction sample is placed is provided at the top end of the lower compression column 11, and the sample stage is provided on the lower compression column 11 so as to be movable up and down. The sample stage can be adjusted manually to move up and down, and the sample stage can also be actively driven to lift up and down by arranging a driving mechanism. In addition, the sample stage and the lower pressing column can be connected in a manner of inserting the column and the slot, and detailed description is omitted in this embodiment.
The sample stage, the lower pressing column 11 and the upper pressing column 10 are all conductive pieces made of isostatic graphite, the sample stage and the lower pressing column 11 are conductive, but the sample stage and the lower pressing column 11 are partially insulators, so that short circuit is avoided during operation, and electric field current can be smoothly transmitted to a sample. The current output from the field transformer 15 is conducted to the field electrode through a conductive sheet (e.g., copper plate), wherein the positive electrode moves downward with the upper plunger and contacts the upper surface of the sample to be constructed, and the negative electrode contacts the lower surface of the sample to be constructed through the sample stage.
In this embodiment, the electric field electrode is a graphite electrode, the rated power of the electric field transformer is 20KW, the maximum operating voltage of the electric field is 10V, and the maximum operating current is 2000A. When an electric field needs to be applied, 380V high-voltage electricity is rectified by an electric field transformer 15 and then is guided into an electric field electrode through a conducting strip, the positive electrode moves downwards along with the upper compression column to be in contact with the upper surface of a constructed sample, the negative electrode is in contact with the lower surface of the constructed sample through a sample table, and a controller for adjusting current/voltage can output electric fields with different working parameters. The working principle of the electric field generation is the same as that of the prior art, and will not be described in detail in this embodiment.
The ultrasonic system is used to apply an ultrasonic field to the formation sample and is located locally within the chamber 1 a. The ultrasonic system comprises an ultrasonic probe, an ultrasonic generator 17, an amplitude transformer 13 and an ultrasonic transducer electrically connected with the ultrasonic generator 17, wherein the ultrasonic generator 17 and the ultrasonic transducer are both positioned outside the furnace body 1 and below the furnace body 1. The ultrasonic probe is arranged in the lower pressing column 11 and indirectly contacts with a constructed sample. One end of the amplitude transformer 13 is electrically connected with the ultrasonic probe, and the other end of the amplitude transformer 13 is electrically connected with the ultrasonic transducer. The rated power of the ultrasonic generator is 3KW, the rated frequency is 20KHz, the maximum amplitude of the ultrasonic probe is 20 mu m, and the amplitude transmitted to the joint of two constructed samples stacked on the sample table by the ultrasonic probe is basically 1 mu m. The working principle of generating an ultrasonic field by an ultrasonic generator, an ultrasonic transducer, a horn and an ultrasonic probe is the same as that of the prior art, and the detailed description of the embodiment will be omitted.
The master control station 14 is positioned at the right side of the furnace body and is integrated with a controller, a digital display screen, an electric field transformer 15, an air switch and the like. The purpose and function of the overall control station 14 are the same as the overall control of the prior art, and detailed description thereof will be omitted in this embodiment.
The master control station 14 controls the hydraulic pump station to drive the hydraulic cylinder piston and the upper compression column to move, and the upper compression column and the lower compression column press and fix two constructed samples stacked on the sample table to complete assembly; the master control station 14 controls the vacuum system to work, and the chamber of the furnace body is vacuumized; and the heater is started to heat the constructed sample through the master control station 14, and the electric field system and the ultrasonic system are controlled to apply an electric field and an ultrasonic field to the constructed sample.
Directional terms such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the present invention, but these terms are used herein for convenience of description only and are determined based on example orientations shown in the drawings. Because the disclosed embodiments may be arranged in different orientations, these directional terms are for illustrative purposes only and should not be construed as limiting, and for example, "upper" and "lower" are not necessarily limited to orientations opposite or consistent with the direction of gravity.

Claims (10)

1. A metal construction joint comprising:
a furnace body (1) having a hollow chamber (1 a) formed therein;
the pressurizing system comprises an upper pressure column (10) and a lower pressure column (11) for placing a constructed sample thereon, wherein the upper pressure column (10) and the lower pressure column (11) are vertically arranged and are at least partially positioned in the chamber (1 a), and the upper pressure column (10) is positioned above the lower pressure column (11) and is arranged to move towards the direction close to the lower pressure column (11) so as to pressurize the constructed sample on the lower pressure column (11);
a heater (2) arranged on the furnace body (1) and used for heating the constructed sample in the chamber (1 a);
a vacuum system, which is communicated with the chamber (1 a) and is used for vacuumizing the chamber (1 a);
the device is characterized by further comprising an electric field system for applying an electric field to a construction sample and/or an ultrasonic system for applying an ultrasonic field to the construction sample, wherein the electric field system and/or the ultrasonic system are at least partially positioned in the chamber (1 a).
2. The metal construction connection of claim 1, wherein: the electric field system and the ultrasonic system are both partially positioned in the chamber (1 a), the positive electrode and the negative electrode in the electric field system are respectively arranged on the upper pressure column (10) and the lower pressure column (11), the negative electrode can be in contact with the lower surface of a constructed sample on the lower pressure column (11), the positive electrode can be in contact with the upper surface of the constructed sample on the lower pressure column (11), and an ultrasonic probe in the ultrasonic system is arranged in the lower pressure column (11).
3. The metal construction connection of claim 2, wherein: the electric field system comprises an electric field transformer (15) and a controller electrically connected with the electric field transformer (15), the electric field transformer (15) is respectively electrically connected with the anode and the cathode, and the electric field transformer (15) is positioned outside the furnace body (1).
4. The metal construction connection of claim 2, wherein: the top end of the lower compression column (11) is provided with a sample table on which a constructed sample is placed, the sample table can be mounted on the lower compression column in a vertically movable manner, and the sample table and the lower compression column (11) are conductive pieces.
5. The metal construction connection of claim 2, wherein: the upper compression column (10) and the lower compression column (11) are both conductive pieces, the positive pole and the upper compression column (10) are integrated pieces, and the negative pole and the lower compression column (11) are integrated pieces.
6. The metal construction connection of claim 2, wherein: the ultrasonic system comprises an ultrasonic generator (17), an amplitude transformer (13) and an ultrasonic transducer electrically connected with the ultrasonic generator (17), wherein the ultrasonic generator (17) and the ultrasonic transducer are both positioned outside the furnace body (1), one end of the amplitude transformer (13) is electrically connected with the ultrasonic probe, and the other end of the amplitude transformer (13) is electrically connected with the ultrasonic transducer.
7. The metal construction connection of claim 6, wherein: the ultrasonic transducer and the amplitude transformer (13) are both positioned below the furnace body (1).
8. The metal construction connection of claim 1, wherein: the furnace body (1) is provided with a water flow channel for cooling the cavity (1 a), the water flow channel is positioned at the periphery of the cavity (1 a), and the water flow channel is formed in a wall plate of the furnace body (1).
9. The metal construction connection of claim 8, wherein: the water tank is used for introducing liquid into the water flow channel and is provided with a first through hole communicated with the inlet of the water flow channel and a second through hole communicated with the outlet of the water flow channel.
10. The metal construction connection of any one of claims 1 to 9, wherein: still including last supporting beam (3) and being located go up supporting beam (4) under supporting beam (3), furnace body (1) is located go up between supporting beam (3) and the supporting beam (4) down, it can drive to go up supporting beam (3) go up compression leg (10) up-and-down motion's pneumatic cylinder (6), the upper end of going up compression leg (10) is connected with pneumatic cylinder (6), go up compression leg (10) overcoat be equipped with furnace body (1) sealing connection's flexible pipe (8), it is located to go up compression leg (10) part in chamber (1 a).
CN202222782252.7U 2022-10-21 2022-10-21 Metal construction connecting device Active CN218575244U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222782252.7U CN218575244U (en) 2022-10-21 2022-10-21 Metal construction connecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222782252.7U CN218575244U (en) 2022-10-21 2022-10-21 Metal construction connecting device

Publications (1)

Publication Number Publication Date
CN218575244U true CN218575244U (en) 2023-03-07

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ID=85374046

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222782252.7U Active CN218575244U (en) 2022-10-21 2022-10-21 Metal construction connecting device

Country Status (1)

Country Link
CN (1) CN218575244U (en)

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