CN116408579A - Welding equipment and welding method for low-temperature welding of large tank body - Google Patents

Welding equipment and welding method for low-temperature welding of large tank body Download PDF

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Publication number
CN116408579A
CN116408579A CN202310363716.7A CN202310363716A CN116408579A CN 116408579 A CN116408579 A CN 116408579A CN 202310363716 A CN202310363716 A CN 202310363716A CN 116408579 A CN116408579 A CN 116408579A
Authority
CN
China
Prior art keywords
welding
sliding seat
low
welding equipment
tank body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310363716.7A
Other languages
Chinese (zh)
Inventor
李贵良
尚才众
张胜勇
王昕军
吴建国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hebei Haiqianwei Steel Pipe Co ltd
Original Assignee
Hebei Haiqianwei Steel Pipe Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hebei Haiqianwei Steel Pipe Co ltd filed Critical Hebei Haiqianwei Steel Pipe Co ltd
Priority to CN202310363716.7A priority Critical patent/CN116408579A/en
Publication of CN116408579A publication Critical patent/CN116408579A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/003—Cooling means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/02—Carriages for supporting the welding or cutting element
    • B23K37/0252—Steering means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/04—Tubular or hollow articles
    • B23K2101/12—Vessels
    • B23K2101/125—Cans
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

Abstract

The invention relates to the field of low-temperature welding equipment, and particularly discloses welding equipment for low-temperature welding of a large tank body, which comprises a base, automatic welding equipment arranged on the base, a tank body and a sliding seat movably arranged on the base, wherein two ends of the tank body are opened, a refrigerating device is arranged at the top end of the tank body, a door body is arranged at one end of the tank body, a heating device is arranged in the sliding seat, and a supporting roller is rotatably arranged on the sliding seat.

Description

Welding equipment and welding method for low-temperature welding of large tank body
Technical Field
The invention relates to the technical field of low-temperature welding equipment, in particular to welding equipment and a welding method for low-temperature welding of a large tank body.
Background
The low-temperature welding refers to welding metal in a low-temperature environment, and in the low-temperature welding process of a large tank body, the metal material of the tank body contracts in the low-temperature environment, and in the welding process, a heated welding rod directly acts on the low-temperature welding material by utilizing the heating and melting distance, and then suddenly transits from rapid heating to quenching after welding, so that the welding material contracts severely, and the problems of cracks and brittle fracture occur.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, a welding material is severely contracted by low-temperature welding so as to generate cracks and brittle failure, and provides welding equipment and a welding method for low-temperature welding of a large tank body.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a welding equipment for large-scale jar body low temperature welds, is in including base, setting automatic weld equipment, box and the activity on the base set up sliding seat on the base, the both ends opening of box, the top of box is provided with refrigerating plant, the one end of box is provided with the door body, be provided with heating device in the sliding seat, it is provided with the backing roller to rotate on the sliding seat.
Preferably, the automatic welding device comprises a rotary table rotatably arranged on the base, an upright column arranged on the rotary table, a support movably arranged on the upright column and a cross beam, wherein a welding head is arranged at one end of the cross beam.
Preferably, the stand is hollow structure, the top of stand is provided with servo motor, the stand internal rotation is provided with the lead screw, servo motor's output with the lead screw is connected, be provided with the nut pair on the lead screw, one side of stand is provided with the spout, be provided with the connecting rod in the spout, the one end of connecting rod with the nut is vice to be connected, the other end of connecting rod is connected with the slider, the slider sets up one side of support.
Preferably, the other side of the support is rotatably provided with a guide wheel, the support is provided with a driving motor, the output end of the driving motor is connected with the guide wheel, and the cross beam is slidably clamped between the guide wheels.
Preferably, the base is provided with a guide rail along the length direction, the sliding seat is slidably arranged on the guide rail, the sliding seat is of a hollow structure, the heating device is arranged in the sliding seat, and the sliding seat is made of metal materials.
Preferably, the cold air generated by the refrigerating device is input into the box body through an air supply pipeline, and the output end of the air supply pipeline is close to the door body.
Preferably, one end of the box body is provided with a door body in a sliding manner, racks are arranged on two sides of the door body, a motor is arranged in the box body, a gear is arranged outside the box body in a rotating manner, the gear is meshed with the racks, and the output end of the motor is connected with the gear.
The invention also discloses a welding method of the welding equipment for low-temperature welding of the large tank body, which comprises the following steps:
s1, moving the sliding seat out of the box body, and placing a machined part on the sliding seat;
s2, moving the sliding seat into the box body, and closing the door body;
s3, refrigerating and cooling the box body through a refrigerating device, and preheating a workpiece positioned on the sliding seat through a heating device;
s4, after the workpiece is subjected to low-temperature welding processing through automatic welding equipment, the workpiece positioned on the sliding seat is subjected to heat preservation through a heating device;
s5, opening the door body and moving the sliding seat outside the box body.
The beneficial effects of the invention are as follows:
in the process of processing the large tank body, namely the workpiece in the drawing is subjected to low-temperature welding, the workpiece is hoisted onto the sliding seat through the travelling crane, the sliding seat is moved into the box body, after the door body is closed, the refrigerating device is started, the refrigerating device conveys cold air into the box body, the box body is cooled, the sliding seat is heated through the heating device, the workpiece can be preheated before welding, the workpiece can be kept warm after welding, quenching of the workpiece in a low-temperature environment is avoided, the problem that cracks and brittle failure occur due to severe shrinkage of welding materials is solved, and the processing quality of low-temperature welding is improved.
Drawings
FIG. 1 is a perspective view of a welding apparatus for use in the low temperature welding of large cans in accordance with the present invention;
FIG. 2 is a perspective view of a welding apparatus for use in the soldering of large cans of FIG. 1 from another perspective;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a top view of a welding apparatus for use in the soldering of large cans of FIG. 1;
FIG. 5 is a partial enlarged view at B-B in FIG. 4;
FIG. 6 is an enlarged view of a portion of FIG. 5 at C;
FIG. 7 is a perspective view of a welding apparatus for use in the soldering of large cans of FIG. 1 after opening the door;
FIG. 8 is a perspective view of FIG. 8 at another view angle;
fig. 9 is a schematic flow chart of a welding method of a welding device for low-temperature welding of a large tank body.
In the figure: 1 servo motor, 2 welding head, 3 refrigerating plant, 4 air supply pipeline, 5 door body, 6 box, 7 base, 8 guide rail, 9 machined parts, 10 sliding seat, 11 carousel, 12 stand, 13 crossbeam, 14 support, 15 lead screw, 16 nut pair, 17 connecting rod, 18 slider, 19 rack, 20 gear, 21 supporting roller.
Detailed Description
Referring to fig. 1-9, a welding device for low-temperature welding of a large tank body comprises a base 7, automatic welding equipment arranged on the base 7, a box body 6 and a sliding seat 10 movably arranged on the base 7, wherein two ends of the box body 6 are opened, a refrigerating device 3 is arranged at the top end of the box body 6, a door body 5 is arranged at one end of the box body 6, a heating device is arranged in the sliding seat 10, and a supporting roller 21 is rotatably arranged on the sliding seat 10.
In the process of low-temperature welding processing of a large tank body, namely a workpiece 9 in the drawing, the workpiece 9 is hoisted to a sliding seat 10 through a travelling crane, the sliding seat 10 is moved into a box body 6, after a door body 5 is closed, a refrigerating device 3 is started, the refrigerating device 3 conveys cold air into the box body 6, the box body 6 is cooled, the sliding seat 10 is heated through a heating device, the workpiece 9 can be preheated before welding, the workpiece 9 can be kept warm after welding, quenching of the workpiece 9 in a low-temperature environment is avoided, the problem that a welding material is severely contracted to generate cracks and brittle fracture is solved, and the processing quality of low-temperature welding is improved.
Specifically, automatic welding equipment is including rotating carousel 11, setting up on the base 7 stand 12, activity setting on the carousel 11 are in support 14 and crossbeam 13 on the stand 12, stand 12 is hollow structure, the top of stand 12 is provided with servo motor 1, stand 12 internal rotation is provided with lead screw 15, servo motor 1's output with lead screw 15 is connected, be provided with nut pair 16 on the lead screw 15, one side of stand 12 is provided with the spout, be provided with connecting rod 17 in the spout, the one end of connecting rod 17 with nut pair 16 is connected, the other end of connecting rod 17 is connected with slider 18, slider 18 sets up one side of support 14, the opposite side of support 14 rotates and is provided with the guide pulley, be provided with driving motor (not shown) on the support 14, driving motor's output with the guide pulley is connected, crossbeam 13 slip joint in between the guide pulley, one end of crossbeam 13 is provided with soldered connection 2. Can adjust the angle of stand 12 through carousel 11, and then realize turning to of butt joint 2 and adjust, start servo motor 1, servo motor 1 drives lead screw 15 and rotates, under the spacing effect of spout, can make nut pair 16 drive connecting rod 17, slider 18, support 14 and crossbeam 13 reciprocate, and then realize the height of butt joint 2 and adjust, start driving motor, driving motor drives the guide pulley and rotates, under the centre gripping effect of guide pulley, can make crossbeam 13 horizontal migration, and then realize the horizontal position of butt joint 2 and adjust. It will be appreciated that the automatic welding apparatus further comprises a controller electrically connected to the servo motor 1, the driving motor and the welding head 2 for controlling the operation of the servo motor 1, the driving motor and the welding head 2.
The base 7 is provided with a guide rail 8 along the length direction, the sliding seat 10 is slidably arranged on the guide rail 8, the sliding seat 10 is of a hollow structure, the heating device is arranged in the sliding seat 10 and comprises, but is not limited to, resistance heating, infrared heating and the like, and the sliding seat 10 is made of metal, so that heat can be conveniently conducted onto a workpiece 9.
The top of the box 6 is provided with a refrigerating device 3, in this embodiment, the refrigerating device 3 adopts a compression refrigerating device in the prior art, cold air generated by the refrigerating device 3 is input into the box 6 through an air supply pipeline 4, and an output end of the air supply pipeline 4 is close to the door 5.
One end of the box body 6 is provided with a door body 5 in a sliding manner, two sides of the door body 5 are provided with racks 19, a motor is arranged in the box body 6, a gear 20 is arranged outside the box body 6 in a rotating manner, the gear 20 is meshed with the racks 19, and the output end of the motor is connected with the gear 20.
In this embodiment, the sliding seat 10 is first moved out of the box 6, the workpiece 9 is placed on the sliding seat 10, then the sliding seat 10 is moved into the box 6, the door 5 is closed, then the refrigerating device 3 is used for refrigerating and cooling the box 6, meanwhile, the heating device is used for preheating the workpiece 9 positioned on the sliding seat 10, and after the workpiece 9 is subjected to low-temperature welding processing by the automatic welding equipment, the heating device is used for preserving heat of the workpiece 9 positioned on the sliding seat 10, the door 5 is opened, and the sliding seat 10 is moved out of the box 6.

Claims (8)

1. A welding equipment for large tank body low-temperature welding is characterized by comprising a base (7), automatic welding equipment arranged on the base (7), a box body (6) and a sliding seat (10) movably arranged on the base (7), wherein two ends of the box body (6) are opened, a refrigerating device (3) is arranged at the top end of the box body (6), a door body (5) is arranged at one end of the box body (6), a heating device is arranged in the sliding seat (10), and supporting rollers (21) are rotatably arranged on the sliding seat (10).
2. Welding equipment for soldering large tanks according to claim 1, characterized in that the automatic welding equipment comprises a turntable (11) rotatably arranged on the base (7), a column (12) arranged on the turntable (11), a bracket (14) movably arranged on the column (12) and a cross beam (13), wherein one end of the cross beam (13) is provided with a welding head (2).
3. The welding equipment for low-temperature welding of a large tank body according to claim 2, characterized in that the upright post (12) is of a hollow structure, a servo motor (1) is arranged at the top end of the upright post (12), a screw rod (15) is rotationally arranged in the upright post (12), an output end of the servo motor (1) is connected with the screw rod (15), a nut pair (16) is arranged on the screw rod (15), a sliding groove is arranged on one side of the upright post (12), a connecting rod (17) is arranged in the sliding groove, one end of the connecting rod (17) is connected with the nut pair (16), a sliding block (18) is connected with the other end of the connecting rod (17), and the sliding block (18) is arranged on one side of the bracket (14).
4. Welding equipment for soldering a large tank according to claim 2, characterized in that the other side of the bracket (14) is rotatably provided with guide wheels, the bracket (14) is provided with a driving motor, the output end of the driving motor is connected with the guide wheels, and the cross beam (13) is slidably clamped between the guide wheels.
5. The welding equipment for low-temperature welding of a large tank body according to claim 1, wherein a guide rail (8) is arranged on the base (7) along the length direction, the sliding seat (10) is slidably arranged on the guide rail (8), the sliding seat (10) is of a hollow structure, the heating device is arranged in the sliding seat (10), and the sliding seat (10) is made of metal.
6. Welding equipment for soldering large tanks according to claim 1, characterized in that the cold air generated by the refrigerating device (3) is fed into the tank (6) through an air feed pipe (4), the output end of the air feed pipe (4) being close to the door (5).
7. The welding equipment for low-temperature welding of a large tank body according to claim 1, wherein one end of the tank body (6) is slidably provided with a door body (5), racks (19) are arranged on two sides of the door body (5), a motor is arranged in the tank body (6), a gear (20) is arranged outside the tank body (6) in a rotating mode, the gear (20) is meshed with the racks (19), and an output end of the motor is connected with the gear (20).
8. A welding method of a welding apparatus for use in the low temperature welding of large tanks according to claim 1, comprising the steps of:
s1, removing the sliding seat (10) out of the box body (6), and placing a workpiece (9) on the sliding seat (10);
s2, moving the sliding seat (10) into the box body (6) and closing the door body (5);
s3, refrigerating and cooling the inside of the box body (6) through the refrigerating device (3), and preheating a workpiece (9) positioned on the sliding seat (10) through the heating device;
s4, after the workpiece (9) is subjected to low-temperature welding processing through automatic welding equipment, the workpiece (9) positioned on the sliding seat (10) is subjected to heat preservation through a heating device;
s5, opening the door body (5) and moving the sliding seat (10) to the outside of the box body (6).
CN202310363716.7A 2023-04-07 2023-04-07 Welding equipment and welding method for low-temperature welding of large tank body Pending CN116408579A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310363716.7A CN116408579A (en) 2023-04-07 2023-04-07 Welding equipment and welding method for low-temperature welding of large tank body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310363716.7A CN116408579A (en) 2023-04-07 2023-04-07 Welding equipment and welding method for low-temperature welding of large tank body

Publications (1)

Publication Number Publication Date
CN116408579A true CN116408579A (en) 2023-07-11

Family

ID=87055959

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310363716.7A Pending CN116408579A (en) 2023-04-07 2023-04-07 Welding equipment and welding method for low-temperature welding of large tank body

Country Status (1)

Country Link
CN (1) CN116408579A (en)

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