CN112705641A - Chemical industry is with jar body roll board welding machine - Google Patents
Chemical industry is with jar body roll board welding machine Download PDFInfo
- Publication number
- CN112705641A CN112705641A CN202011519566.7A CN202011519566A CN112705641A CN 112705641 A CN112705641 A CN 112705641A CN 202011519566 A CN202011519566 A CN 202011519566A CN 112705641 A CN112705641 A CN 112705641A
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- Prior art keywords
- plate
- pressing
- rack
- pressing pipe
- welding
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/18—Making hollow objects characterised by the use of the objects vessels, e.g. tubs, vats, tanks, sinks, or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/01—Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments
-
- 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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- 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
- B23K37/0211—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a welding machine for a rolled plate of a tank body for chemical engineering, which belongs to the technical field of tank body welding devices and comprises a rack, wherein a first motor is arranged on the rack; the eccentric part of the two extrusion rollers is provided with a rotating shaft, the rotating shaft is provided with a gear, the gear is meshed with a rack, and the extrusion rollers are provided with pressing claws; one end of the pressing pipe is connected with a pull rod, the pull rod is connected with a frame body, a cam is arranged in the frame body, and the cam is sleeved on an output shaft of the first motor; a welding gun; the pressing pipe is provided with a notch, one end of the partition plate extends out of the notch, and the other end of the partition plate is movably connected with the pressing pipe; according to the invention, the plate to be welded is sleeved on the pressing pipe, the partition plate positions the plate to be welded, the plate to be welded is rotatably extruded by using the two extrusion rollers while the pressing pipe moves downwards, so that the plate to be welded is bent to form the cylindrical wall of the tank body, and the welding gun performs welding along the welding line, thereby realizing automatic bending and welding of the plate to be welded.
Description
Technical Field
The invention relates to the technical field of tank body welding devices, in particular to a chemical tank body coil welding machine.
Background
In the chemical production process, need a large amount of jar bodies to be used for producing chemical products or save industrial chemicals, the concrete production process of the jar body of chemical industry usefulness is as follows: firstly, bending a coiled plate to be welded and welding two attached end faces of the coiled plate to form a cylindrical tank wall; then, welding tank end covers at two ends of the wall of the tank body; and polishing the welding seam of the tank body to form the tank body for chemical engineering.
The existing device for bending the to-be-welded coiled plate into a cylindrical tank body cylinder wall and welding has a complex structure, needs a large amount of manual operation, seriously influences the production efficiency, and is difficult to ensure the welding effect of a chemical tank body.
Disclosure of Invention
For the problems in the prior art, the invention provides a welding machine for a rolled plate of a tank body for chemical engineering, wherein the rolled plate to be welded is sleeved on a pressing pipe, a partition plate is used for positioning the position of the rolled plate to be welded, the two extrusion rollers are used for rotationally extruding the rolled plate to be welded while the pressing pipe moves downwards, the rolled plate to be welded can be bent to form a cylindrical tank body cylinder wall, a welding gun is used for welding the rolled plate to be welded along a welding line, automatic bending and welding of the rolled plate to be welded are realized, the structure is simple, the operation is simple and convenient, a large amount of labor is saved, the production efficiency is greatly improved, and the welding effect can be effectively ensured.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the invention provides a welding machine for a rolled plate of a tank body for chemical engineering, which comprises:
the device comprises a rack, a first motor and a second motor, wherein the first motor is arranged on the rack;
the two extrusion rollers are provided with a gap, rotating shafts are arranged at the eccentric parts of the two ends of each extrusion roller, the extrusion rollers are rotatably arranged on the rack through the rotating shafts, gears are sleeved on the rotating shafts, and the gears are meshed with racks; pressing claws are arranged on the circumferential surfaces of the two extrusion rollers;
the pressing pipe is arranged on one side of the gap, one end of the pressing pipe is connected with a pull rod, one end of the pull rod is provided with a frame body, a cam is arranged in the frame body, and the cam is sleeved on an output shaft of the first motor; the pressing pipe is connected with a pressing plate, and at least part of the pressing plate is positioned on one side of one end of the rack;
the welding gun is movably arranged on the rack and is connected with a driving assembly for driving the welding gun to move along a straight line;
a notch is formed in one side, away from the squeezing roller, of the pressing pipe, one end of the partition plate extends out of the notch, and the other end of the partition plate is movably connected with the inner wall of the pressing pipe; when the two squeezing rollers rotate, the pressing claws are abutted to the partition plate, and the partition plate is completely pressed into the pressing pipe.
As a preferable technical scheme, a first spring is arranged between the partition plate and the inner wall of the pressing pipe for connection.
As a preferred technical scheme, be equipped with the guide post in the pressing pipe, be equipped with the guiding hole on the baffle, the one end of guide post stretches into in the guiding hole, first spring housing is established on the guide post.
In a preferred embodiment, a second spring is provided below the frame, and the second spring applies an upward elastic force to the frame to bring the inner wall surface of the frame into contact with the surface of the cam.
As a preferable technical scheme, a third spring is arranged between one end of the rack, which is far away from the pressure plate, and the rack so as to be connected.
As a preferred technical scheme, a guide sleeve is arranged on the machine frame, and the pull rod penetrates through the guide sleeve and is in clearance fit with the guide sleeve.
As a preferable technical solution, one end of the third spring is connected to the rack, and the other end of the third spring is connected to the guide sleeve.
As a preferable technical solution, the driving assembly is a cylinder, an electric push rod or a lead screw.
As an optimal technical scheme, when the driving assembly is a screw rod, the screw rod is connected with a second motor for driving the screw rod to stretch, a guide rod is arranged on the rack, and the welding gun is sleeved on the guide rod.
As a preferable technical solution, the partition plate has a protruding portion protruding from a port of the pressing pipe; when the two squeezing rollers rotate, the pressing claw is abutted with the protruding part.
The beneficial effects of the invention are as follows:
1. according to the invention, the plate to be welded is sleeved on the pressing pipe, the partition plate positions the plate to be welded, the plate to be welded is rotatably extruded by using the two extrusion rollers while the pressing pipe moves downwards, so that the plate to be welded is bent to form the cylindrical tank body wall, the plate to be welded is welded by the welding gun along the welding line, the automatic bending and welding of the plate to be welded are realized, the structure is simple, the operation is simple and convenient, a large amount of labor is saved, the production efficiency is greatly improved, and the welding effect can be effectively ensured.
2. According to the invention, the pressing claw on the extrusion roller is utilized, and the partition plate can be pressed into the pressing pipe before the pressing pipe and the extrusion roller extrude the to-be-welded rolled plate, so that the partition plate is prevented from preventing two ends of the to-be-welded rolled plate from being abutted to form a welding line.
3. According to the invention, a plurality of coils to be welded can be sequentially arranged on the pressing pipe, and the welding of a plurality of chemical tank bodies can be synchronously realized by utilizing one-time linear movement of the welding gun, so that the production efficiency is greatly improved.
Drawings
FIG. 1 is a front view of an embodiment of a welding machine for a rolled plate of a tank body for chemical engineering according to the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a top view of FIG. 1;
fig. 4-7 are schematic views of the operation process of fig. 1.
In the figure: 1-a rack, 11-a first motor, 12-a guide sleeve, 2-a squeezing roller, 21-a rotating shaft, 22-a gear, 23-a rack, 24-a pressing claw, 25-a third spring, 26-a guide strip, 27-a connecting rod, 3-a pressing pipe, 31-a pull rod, 32-a frame, 33-a cam, 34-a pressing plate, 35-a second spring, 4-a welding gun, 41-a lead screw, 42-a second motor, 43-a guide rod, 5-a partition plate, 51-a first spring, 52-a guide column, 53-an extending part and 6-a coiled plate to be welded.
Detailed Description
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to fig. 3, an embodiment of a welding machine for a rolled plate of a chemical tank provided by the present invention includes:
the device comprises a frame 1, wherein a first motor 11 is arranged on the frame 1;
the extrusion device comprises two extrusion rollers 2, wherein a gap is formed between the two extrusion rollers 2, rotating shafts 21 are arranged at the eccentric positions of two ends of each extrusion roller 2, the extrusion rollers 2 are rotatably arranged on a rack 1 through the rotating shafts 21, gears 22 are sleeved on the rotating shafts 21, the gears 22 are meshed with racks 23, and when the racks 23 move, the gears 22 can be driven to rotate, and then the rotating shafts 21 and the extrusion rollers 2 are driven to rotate; the circumferential surfaces of the two extrusion rollers 2 are respectively provided with a pressing claw 24, and when the extrusion rollers 2 rotate, the pressing claws 24 move along with the extrusion rollers;
the pressing pipe 3 is sleeved with the to-be-welded rolling plate 6; the pressing pipe 3 is arranged on one side of the gap, one end of the pressing pipe 3 is connected with the pull rod 31, one end of the pull rod 31 is provided with the frame body 32, the frame body 32 is internally provided with the cam 33, the cam 33 is sleeved on the output shaft of the first motor 11, when the output shaft of the first motor 11 rotates, the cam 33 rotates along with the output shaft, the cam 33 is contacted with the inner surface of the frame body 32 to drive the frame body 32, the pull rod 31 and the pressing pipe 3 to move along with the output shaft in a direction close to or far away from the gap, and when the pressing pipe 3 is close to the two extrusion rollers 2, the rolling plate 6 to be welded can be extruded and bent to form a cylindrical chemical tank body under the combined action of the pressing pipe 3; the pressing pipe 3 is connected with a pressing plate 34, at least part of the pressing plate 34 is positioned on one side of one end of the rack 23, when the pressing pipe 3 moves, the pressing plate 34 also moves in the direction close to or far away from the end part of the rack 23, and the pressing plate 34 can be abutted against the rack 23 and moves along with the driving of the rack 23;
the welding gun 4 is movably arranged on the rack 1, the welding gun 4 is connected with a driving assembly for driving the welding gun 4 to move along a straight line, the driving assembly drives the welding gun 4 to move along a welding seam formed by the coiled plate 6 to be welded, and the coiled plate 6 to be welded is welded;
a notch is formed in one side, away from the extrusion roller 2, of the pressing pipe 3, one end of the partition plate 5 extends out of the notch, and the coiled plate 6 to be welded can be positioned through the partition plate 5, so that the coiled plate 6 to be welded is prevented from rotating; the other end of the partition plate 5 is movably connected with the inner wall of the pressing pipe 3, when the two extrusion rollers 2 rotate, the pressing claw 24 is abutted against the partition plate 5, the partition plate 5 is completely pressed into the pressing pipe 3, and the partition plate 5 is prevented from obstructing two ends of the to-be-welded rolled plate 6 from being abutted to form a welding line.
It should be noted that the outer diameter of the pressing tube 3 should be the same as the inner diameter of the chemical tank formed by the to-be-welded rolled sheet 6, so that the welding seam of the to-be-welded rolled sheet 6 can be tightly attached under the combined action of the pressing tube 3 and the two squeeze rollers 2, and the welding quality is ensured.
It should be noted that, before the to-be-welded rolled plate 6 is sleeved on the pressing pipe 3, it should be primarily bent into a cylindrical shape with a gap, so as to be conveniently sleeved and suspended on the pressing pipe 3.
It should be noted that, as shown in fig. 1, the rotation shafts 21 of the two squeeze rollers 2 should be arranged close to and above the gap between the two squeeze rollers 2, so that the gap between the two squeeze rollers 2 can be slightly and gradually increased when the two squeeze rollers 2 rotate, and the gap can gradually accommodate the to-be-welded rolled plate 6 and continuously apply the pressing force to the to-be-welded rolled plate 6 when the to-be-welded rolled plate 6 on the pressing pipe 3 gradually approaches the gap, thereby ensuring that the to-be-welded rolled plate 6 is pressed and rolled into a cylinder.
In the present embodiment, referring to fig. 2, a first spring 51 is disposed between the partition plate 5 and the inner wall of the pressing tube 3 for connection, so as to realize movable connection between the partition plate 5 and the pressing tube 3; when the baffle 5 is not subjected to external force, part of the baffle 5 can extend out of the notch of the pressing pipe 3; when the pressing claw 24 presses the diaphragm 5, the first spring 51 contracts, and the diaphragm 5 can be fully retracted into the pressing pipe 3. Specifically, a guide post 52 may be disposed in the pressing tube 3, a guide hole is disposed on the partition plate 5, and one end of the guide post 52 extends into the guide hole, so that the partition plate 5 moves along the axial direction of the guide post 52; the first spring 51 may be fitted over the guide post 52, one end of the first spring 51 abuts against the partition plate 5, and the other end of the first spring 51 abuts against the inner wall of the pressing pipe 3.
In this embodiment, referring to fig. 1 and fig. 2, a second spring 35 is disposed below the frame body 32, and the second spring 35 applies an upward elastic force to the frame body 32, so that the inner wall surface of the frame body 32 contacts with the surface of the cam 33, and when the cam 33 rotates, the frame body 32 can be driven to move in the vertical direction, and the pressing pipe 3 is driven to move in a direction close to or away from the gap between the two pressing rollers 2; similarly, a third spring 25 is arranged between one end of the rack 23 far away from the pressing plate 34 and the rack 1 for connection, when the pressing plate 34 presses the rack 23 to move the rack 23, the third spring 25 exerts a reverse force on the rack 23, and when the pressing plate 34 is far away from the rack 23, the rack 23 can be reset under the action of the third spring 25.
On the basis of the above embodiment, please refer to fig. 1 and fig. 2, the frame 1 is provided with the guide sleeve 12, the pull rod 31 passes through the guide sleeve 12 and is in clearance fit with the guide sleeve 12, the pull rod 31 can be effectively limited to move in the vertical direction through the guide sleeve 12, and the transmission stability is ensured. Further, one end of the third spring 25 is connected to the rack 23, and the other end of the third spring 25 may be connected to the guide sleeve 12. Specifically, the third spring 25 and the rack 23 may be connected through a connecting rod 27, a hole groove for placing the third spring 25 is formed in the guide sleeve 12, one side of the rack 23 may be fixedly connected with a guide bar 26, a guide hole matched with the guide bar 26 is formed in the frame 1, the guide bar 26 is in clearance fit with the guide hole, and the stability of movement of the rack 23 may be improved.
In this embodiment, referring to fig. 3, the driving component is a screw 41, the screw 41 is connected to a second motor 42 for driving the screw 41 to extend and retract, a guide rod 43 is disposed on the rack 1, and the welding gun 4 is sleeved on the guide rod 43; specifically, the lead screw 41 comprises a lead screw shaft and a nut in threaded connection with the lead screw shaft, the nut of the lead screw 41 is fixedly connected with the welding gun 4, the lead screw shaft of the lead screw 41 is connected with the second motor 42, and when the second motor 42 drives the lead screw shaft to rotate, the welding gun 4 moves along the axial direction of the lead screw 41 along with the nut under the limit of the guide rod 43; in other embodiments, the driving assembly may also be an air cylinder or an electric push rod, and the air cylinder or the electric push rod may drive the welding gun 4 to extend and retract in a linear direction to complete the welding operation.
In this embodiment, referring to fig. 1 and 3, the partition plate 5 has a protruding portion 53 protruding from the end of the pressing tube 3, and when the rolled plate 6 to be welded is rolled on the pressing tube 3 to form a cylindrical can body, the protruding portion 53 is located outside the cylindrical can body; when the two squeezing rollers 2 rotate, the pressing claws 24 abut against the extending parts 53, and the pressing claws 24 apply downward pressure on the extending parts 53, so that the partition plates 5 are all retracted into the pressing pipes 3; specifically, the pressing claws 24 may be disposed on the circumferential surface of the squeeze roll 2 and perpendicular to the axis of the squeeze roll 2, and when the squeeze roll 2 rotates, the pressing claws 24 swing along with the rotation; further, the pressing claw 24 may be formed in an arc shape or a curved shape to avoid interference with the movement of other members when the pressing claw 24 swings.
The specific embodiment of the invention is as follows:
as shown in fig. 4, in an initial state of the present invention, a certain distance is provided between the pressing pipe 3 and the two squeezing rollers 2, and at this time, a plurality of to-be-welded rolled plates 6 can be sequentially sleeved on the pressing pipe 3;
as shown in fig. 5, the output shaft of the first motor 11 rotates, and the protruding portion of the cam 33 contacts with the inner bottom wall of the frame body 32, so as to bring the pressing pipe 3 close to the two pressing rollers 2;
as shown in fig. 6, the output shaft of the first motor 11 continuously rotates, the pressing plate 34 on the pressing tube 3 abuts against the rack 23 to drive the rack 23 to move, and the two squeezing rollers 2 are driven to rotate through the meshed gear 22 (at this time, the to-be-welded rolled sheet 6 on the pressing tube 3 abuts against the two squeezing rollers 2, and the pressing tube 3 still continuously moves towards the gap direction close to the two squeezing rollers 2), because the two squeezing rollers 2 are both of an off-axis structure, the two squeezing rollers 2 and the pressing tube 3 simultaneously apply gradually increased squeezing force to the to-be-welded rolled sheet 6, and the pressing claws 24 on the squeezing rollers 2 abut against the extending parts 53 on the partition plate 5, so as to press the partition plate 5 back into the pressing tube 3;
as shown in fig. 7, the output shaft of the first motor 11 continues to rotate until the to-be-welded coiled plate 6 is completely attached to the pressing pipe 3, and both ends of the to-be-welded coiled plate 6 are tightly attached to form a welding seam (before the welding seam is formed, the pressing claw 24 has completely pressed the partition plate 5 back into the pressing pipe 3), at this time, the welding gun 4 is started, and the driving assembly is started to drive the welding gun 4 to move along the welding seam, so that the welding operation is completed.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a chemical industry is with jar body roll board welding machine which characterized in that includes:
the device comprises a rack, a first motor and a second motor, wherein the first motor is arranged on the rack;
the two extrusion rollers are provided with a gap, rotating shafts are arranged at the eccentric parts of the two ends of each extrusion roller, the extrusion rollers are rotatably arranged on the rack through the rotating shafts, gears are sleeved on the rotating shafts, and the gears are meshed with racks; pressing claws are arranged on the circumferential surfaces of the two extrusion rollers;
the pressing pipe is arranged on one side of the gap, one end of the pressing pipe is connected with a pull rod, one end of the pull rod is provided with a frame body, a cam is arranged in the frame body, and the cam is sleeved on an output shaft of the first motor; the pressing pipe is connected with a pressing plate, and at least part of the pressing plate is positioned on one side of one end of the rack;
the welding gun is movably arranged on the rack and is connected with a driving assembly for driving the welding gun to move along a straight line;
a notch is formed in one side, away from the squeezing roller, of the pressing pipe, one end of the partition plate extends out of the notch, and the other end of the partition plate is movably connected with the inner wall of the pressing pipe; when the two squeezing rollers rotate, the pressing claws are abutted to the partition plate, and the partition plate is completely pressed into the pressing pipe.
2. The welding machine for the rolled plate of the chemical tank body according to claim 1, wherein a first spring is arranged between the partition plate and the inner wall of the pressing pipe for connection.
3. The welding machine for the rolled plate of the chemical tank body is characterized in that a guide post is arranged in the pressing pipe, a guide hole is formed in the partition plate, one end of the guide post extends into the guide hole, and the first spring is sleeved on the guide post.
4. The welding machine for the rolled plate of the chemical tank body according to claim 1, wherein a second spring is arranged below the frame body, and the second spring exerts an upward elastic force on the frame body to make the inner wall surface of the frame body contact with the surface of the cam.
5. The welding machine for rolled plates of chemical tanks is characterized in that a third spring is arranged between one end of the rack, which is far away from the pressure plate, and the rack to be connected.
6. The welding machine for the rolled plate of the chemical tank body is characterized in that a guide sleeve is arranged on the machine frame, and the pull rod penetrates through the guide sleeve and is in clearance fit with the guide sleeve.
7. The welding machine for the rolled plates of the chemical tanks is characterized in that one end of the third spring is connected with the rack, and the other end of the third spring is connected with the guide sleeve.
8. The welding machine for the rolled plates of the chemical tanks is characterized in that the driving assembly is a cylinder, an electric push rod or a lead screw.
9. The welding machine for the rolled plate of the chemical tank body is characterized in that when the driving assembly is a lead screw, the lead screw is connected with a second motor for driving the lead screw to stretch, a guide rod is arranged on the rack, and the welding gun is sleeved on the guide rod.
10. The welding machine for the rolled plate of the chemical industry tank body according to claim 1, wherein the partition plate is provided with a protruding part protruding from a port of the pressing pipe; when the two squeezing rollers rotate, the pressing claw is abutted with the protruding part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011519566.7A CN112705641A (en) | 2020-12-21 | 2020-12-21 | Chemical industry is with jar body roll board welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011519566.7A CN112705641A (en) | 2020-12-21 | 2020-12-21 | Chemical industry is with jar body roll board welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112705641A true CN112705641A (en) | 2021-04-27 |
Family
ID=75544808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011519566.7A Withdrawn CN112705641A (en) | 2020-12-21 | 2020-12-21 | Chemical industry is with jar body roll board welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112705641A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114310347A (en) * | 2022-03-14 | 2022-04-12 | 徐州金之泰包装新材料科技有限公司 | Automatic edge rolling equipment for forming metal packaging tank body |
| CN116532905A (en) * | 2023-07-07 | 2023-08-04 | 西安航宇动力控制科技有限公司 | Welding device for cylindrical thin-wall high-pressure-resistant shell |
-
2020
- 2020-12-21 CN CN202011519566.7A patent/CN112705641A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114310347A (en) * | 2022-03-14 | 2022-04-12 | 徐州金之泰包装新材料科技有限公司 | Automatic edge rolling equipment for forming metal packaging tank body |
| CN116532905A (en) * | 2023-07-07 | 2023-08-04 | 西安航宇动力控制科技有限公司 | Welding device for cylindrical thin-wall high-pressure-resistant shell |
| CN116532905B (en) * | 2023-07-07 | 2023-09-01 | 西安航宇动力控制科技有限公司 | Welding device for cylindrical thin-wall high-pressure-resistant shell |
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210427 |
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| WW01 | Invention patent application withdrawn after publication |