CN213998534U - Automatic production line for manufacturing pressure vessel shell ring - Google Patents

Abstract

The utility model discloses an automatic production line for manufacturing a pressure vessel shell ring, which comprises a steel plate feeding trolley, a steel plate feeding mechanism, a plate rolling machine, a shell ring longitudinal joint and arc striking and extinguishing plate assembling spot welding device, a shell ring longitudinal joint welding machine, an arc striking and extinguishing plate cutting device, a shell ring team conveying device and an mechanical arm shell ring transferring device; the steel plate feeding mechanism transfers the steel plate to the plate bending machine, and the mechanical arm shell ring transfer device transfers the shell ring processed by the plate bending machine between the shell ring longitudinal seam and arc striking and extinguishing plate assembly spot welding device, the shell ring longitudinal seam welding machine, the arc striking and extinguishing plate cutting device and the shell ring team conveying device to finish each processing procedure in sequence. The utility model discloses the production line realizes from shell ring material loading-shell ring first circle of rolling-shell ring longitudinal joint assembly spot welding-shell ring draws arc plate assembly spot welding-shell ring longitudinal joint welding-shell ring cutting both ends draw the arc plate of turning off-shell ring rewinder circle-shell ring team process automatic completion on the production line, does not rely on the driving, and furthest realizes automation or semi-automatization production.

Description

Automatic production line for manufacturing pressure vessel shell ring

Technical Field

The utility model belongs to the technical field of pressure vessel makes, in particular to automatic production line is made to pressure vessel shell ring.

Background

For the manufacture of the shell ring of the pressure container, particularly a stainless steel pressure container, the process flows of loading the shell ring, primarily rolling the shell ring, assembling spot welding the longitudinal seam of the shell ring, assembling spot welding the arc quenching plate on the shell ring, welding the longitudinal seam of the shell ring, cutting the arc quenching plate at two ends of the shell ring, rewinding the shell ring, grouping the shell ring and the like are carried out, and the process flow of the shell ring is generally carried out by adopting a travelling crane lifting mode and the related process operation is carried out by adopting a manual mode. Because the crane lifting and the manual operation are excessively depended on, the production efficiency is not high, more human resources are consumed, and more production fields are occupied.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned defect, provide a pressure vessel shell ring and make automatic production line, especially be fit for the manufacturing of thin wall pressure vessel shell ring, to the thin wall vessel of different length, different diameters, realize from shell ring material loading-shell ring first circle of rolling-shell ring longitudinal joint assembly spot welding-shell ring draw arc extinguishing plate assembly spot welding-shell ring longitudinal joint welding-shell ring cutting both ends draw arc extinguishing plate-shell ring is rolled up again circle-shell ring group process is automatic to be accomplished on the production line, does not rely on the driving, furthest realizes automation or semi-automatization production.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an automatic production line for manufacturing a pressure vessel shell ring comprises a steel plate feeding trolley, a steel plate feeding mechanism, a plate rolling machine, a shell ring longitudinal seam and arc striking and extinguishing plate assembling spot welding device, a shell ring longitudinal seam welding machine, an arc striking and extinguishing plate cutting device, a shell ring team conveying device and a mechanical arm shell ring transferring device;

steel sheet feed mechanism will load in steel sheet on the steel sheet feeding platform truck is transported extremely the veneer reeling machine, arm shell ring transfer device will pass through shell ring longitudinal joint after the veneer reeling machine processing is in shell ring longitudinal joint and draw between arc quenching board assembly spot welding device, shell ring longitudinal joint welding machine, draw arc quenching board cutting device and the shell ring team conveyor transport and accomplish each manufacturing procedure in proper order.

Furthermore, the plate bending machine comprises a plate bending machine feeding frame and a plate bending executing mechanism, a passive rolling way is installed on the plate bending machine feeding frame, two sides of the plate bending machine feeding frame are provided with two side extrusion centering mechanisms for adjusting the position of a steel plate on the passive rolling way, and a steel plate tail pushing mechanism is installed in the middle of the plate bending machine feeding frame and pushes the steel plate on the passive rolling way to the plate bending executing mechanism of the plate bending machine;

the steel plate feeding trolley is arranged on a steel plate feeding trolley track, the steel plate feeding trolley track is arranged in the moving area of the steel plate feeding mechanism, and the steel plate feeding trolley can move in and out along the steel plate feeding trolley track;

the steel plate feeding mechanism comprises a guide rail arranged on a frame, the guide rail arranged on the frame spans over the feeding frame of the plate bending machine, two sets of connecting frame horizontal and lifting driving mechanisms are arranged on the guide rail arranged on the frame, vacuum chuck connecting frames are arranged below the connecting frame horizontal and lifting driving mechanisms and drive the vacuum chuck connecting frames to move up and down and move in a translation mode, a plurality of vacuum chucks are arranged below the vacuum chuck connecting frames and follow steel plates to be adsorbed on a steel plate feeding trolley, and the connecting frame horizontal and lifting driving mechanisms place the steel plates on a passive rolling path of the feeding frame of the plate bending machine.

Furthermore, a translation guide rail and a translation trolley are arranged on the side edge of the plate bending machine, the translation trolley runs on the translation guide rail, the arc striking and extinguishing plate cutting device is installed on the translation trolley, and the arc striking and extinguishing plate cutting device is composed of a rack, barrel section rotation driving mechanisms installed on two sides of the rack, horizontal moving devices installed at two ends of the rack, an up-and-down vertical movement feeding device installed on the horizontal moving device, and a circular saw installed on the up-and-down vertical movement feeding device.

Further, shell ring both sides extrusion device is installed to the frame both sides, shell ring longitudinal joint with draw and put off arc board assembly spot welding device set up in translation guide rail one end, shell ring longitudinal joint with draw put off arc board assembly spot welding device include stand and elevating guide rail and the lift platform of operation on stand and the elevating guide rail, the last welding robot that installs of lift platform the crossbeam is installed to lift platform's tip, the crossbeam below is equipped with the sensor, be equipped with the guide way on the crossbeam horizontal extrusion device is installed respectively at the both ends of crossbeam, horizontal extrusion device can along guide way on the crossbeam removes, clamping device and draw and put off arc board filling device about horizontal extrusion device's tip is installed.

Furthermore, the production line further comprises a shell ring buffer storage device, the shell ring buffer storage device is arranged on the side edge of the shell ring longitudinal joint and the arc striking and extinguishing plate assembly spot welding device, and the shell ring buffer storage device is composed of a shell ring storage rack and a translation sliding table.

Still further, shell ring group team conveyor includes shell ring group team translation guide rail, shell ring group team translation platform truck and shell ring group team initiative transport raceway, shell ring group team translation platform truck moves on shell ring group translation guide rail, install the initiative on the shell ring group translation platform truck and carry the raceway, shell ring group team initiative transport raceway set up in shell ring group translation guide rail one end and with shell ring group translation guide rail is perpendicular, shell ring group translation platform truck can be connected with shell ring group initiative transport raceway.

Furthermore, the lateral side of the shell ring team conveying device is provided with a shell ring longitudinal joint welding translation guide rail and a shell ring longitudinal joint welding translation trolley, the direction of the shell ring longitudinal joint welding translation guide rail is the same as the direction of the roller axis on the plate bending machine, the shell ring longitudinal joint welding translation trolley runs on the shell ring longitudinal joint welding translation guide rail, a shell ring rotation driving device is installed on the shell ring longitudinal joint welding translation trolley, and the shell ring longitudinal joint welding machine is arranged at one end of the shell ring longitudinal joint welding translation guide rail.

Furthermore, the mechanical arm shell ring transfer device is composed of a guide rail arranged on the cantilever frame, a mechanical arm horizontal and lifting driving mechanism running on the guide rail, and a shell ring transfer mechanical arm.

Furthermore, a rectangular channel which is communicated up and down is arranged on the cross beam along the length direction, the guide grooves are formed in the inner side walls of the two sides of the channel, two ends of each guide groove are respectively provided with an air cylinder mounting support, and the air cylinder mounting supports can slide in the guide grooves;

the horizontal extrusion device comprises an extrusion cylinder, a front flange of the extrusion cylinder is connected with cylinder supports positioned at two ends of the cross beam, a cylinder rod of the extrusion cylinder is connected with one end of the cylinder mounting support, the extrusion cylinder drives the cylinder mounting support to slide in the guide groove and approach to the shell ring, and axial misalignment at two sides of a longitudinal seam of the shell ring is eliminated at two ends of a plane extrusion shell ring at the other end of the cylinder mounting support;

the upper clamping device and the lower clamping device comprise two clamping cylinders, an upper pressing plate, a lower pressing plate, guide posts and guide sleeves, wherein the clamping cylinders are respectively arranged at the upper end and the lower end of the cylinder mounting support, cylinder rods of the clamping cylinders are respectively connected with the upper pressing plate and the lower pressing plate, the upper pressing plate and the lower pressing plate are respectively provided with two guide posts, the cylinder mounting support is provided with the guide sleeves matched with the guide posts, the contact parts of the upper pressing plate and the lower pressing plate with the shell ring are of arc surface structures, the clamping cylinders respectively drive the upper pressing plate and the lower pressing plate to be close to each other, and the shell ring longitudinal joint is extruded in the radial direction to eliminate radial misalignment of the shell ring longitudinal joint.

Furthermore, the arc striking and extinguishing plate filling device is arranged on the lower surface of the lower pressing plate and comprises a magazine type arc striking and extinguishing plate storage bin, a cylinder jacking device, a guide cylinder and a guide movable cover plate, openings are formed in the upper end surface and the lower end surface of the magazine type arc striking and extinguishing plate storage bin, and arc striking and extinguishing plates are horizontally stacked in the magazine type arc striking and extinguishing plate storage bin;

the lower pressing plate is provided with a rectangular through hole, the upper end face of the magazine type arc leading and extinguishing plate storage bin is inserted into the rectangular through hole, the cylinder jacking device is arranged below the magazine type arc leading and extinguishing plate storage bin, the movable end of the cylinder jacking device is provided with a top plate, the top plate is connected to the magazine type arc leading and extinguishing plate storage bin and the arc leading and extinguishing plate therein, and the cylinder jacking device drives the magazine type arc leading and extinguishing plate storage bin and the arc leading and extinguishing plate therein to move upwards;

the guide cylinder is arranged on the lower surface of the lower pressing plate and drives the magazine type arc guiding and extinguishing plate storage bin to move horizontally, so that the uppermost arc guiding and extinguishing plate is tightly attached to the end surface of the longitudinal seam of the shell section;

the guide moving cover plate is arranged on the upper pressure plate and can slide along the upper pressure plate, a groove is formed in the middle of the upper pressure plate, and a longitudinal seam of the shell ring is exposed; the direction removes the apron both sides and is equipped with locking bolt, and the centre is equipped with the distance bolt, moves away from the direction removes the apron, upwards will the magazine formula is drawn and is put out arc board collecting storage bin and insert in the rectangle through-hole on the holding down plate, reset the direction removes the apron and uses simultaneously locking bolt is fixed, adjusts the distance bolt makes the top draw and put out arc board and shell ring longitudinal joint upper surface parallel and level.

The beneficial effects of the utility model reside in that:

1. the utility model discloses the production line is particularly suitable for the manufacturing of thin wall pressure vessel shell ring, and to the thin wall container of different length, different diameters, the realization is from shell ring material loading-shell ring first book circle-shell ring longitudinal joint assembly spot welding-shell ring draws arc plate assembly spot welding of putting out one's eyes-shell ring longitudinal joint welding-shell ring cutting both ends draw the arc plate of putting out one's eyes-shell ring rewinds circle-shell ring team process automatic completion on the production line, does not rely on the driving, and furthest realizes automation or semi-automatization production.

2. The utility model discloses the production line can improve shell ring manufacturing quality and efficiency, saves manufacturing cost.

Drawings

FIG. 1 is a schematic view of the production line structure of the present invention;

FIG. 2 is a schematic view of a partial structure of a plate rolling machine, a plate rolling machine feeding frame and a steel plate feeding mechanism in the production line of the present invention;

FIG. 3 is a schematic view of a partial structure of a longitudinal seam of a cylindrical shell section and an arc striking and extinguishing plate assembly spot welding device and an arc striking and extinguishing plate cutting device in the production line of the utility model;

FIG. 4 is a schematic view of the translation trolley of FIG. 3 and the corresponding devices mounted on the translation trolley;

FIG. 5 is a schematic structural view of the horizontal pressing device, the upper and lower clamping devices, and the arc striking and extinguishing plate loading device of FIG. 3;

FIG. 6 is a schematic view showing the operation states of the horizontal pressing means and the upper and lower clamping means of FIG. 3;

FIG. 7 is a schematic view of the arc striking and extinguishing plate of FIG. 3 mounted on the shell ring;

FIG. 8 is a schematic structural view of the storage compartment of the magazine type arc striking and extinguishing plate in FIG. 3;

fig. 9 is a schematic view of a partial structure of the mechanical arm shell ring transfer device and the shell ring buffer storage device in the production line of the present invention;

FIG. 10 is a schematic view of a partial structure of a longitudinal seam welding machine for a shell ring and a conveying device for a shell ring team in the production line of the present invention;

wherein: 1. a steel plate feeding trolley; 2. a steel plate feeding trolley track; 3. a steel plate feeding mechanism; 3a, a guide rail arranged on the frame; 3b, vacuum chuck; 3c, connecting a vacuum chuck with the frame; 3d, connecting the frame horizontal and lifting driving mechanism; 4. a plate bending machine; 4a, an upper roll support and a turnover arm; 5. a feeding frame of a plate bending machine; 5a, a driven roller path; 5b, extruding and centering mechanisms on two sides; 5c, a steel plate tail pushing mechanism; 6. a translation guide rail; 7. a translation trolley; 8. a cutting device for the arc striking and extinguishing plate; 8a, a frame; 8b, a cylindrical section rotation driving mechanism; 8b-1, a driving roller; 8b-2, a driving roller driving mechanism; 8c, a circular saw; 8d, a horizontal moving device; 8e, vertically moving the feeding device up and down; 9. assembling a spot welding device on the longitudinal seam of the shell ring and the arc striking and extinguishing plate; 9a, a vertical column and a lifting guide rail; 9b, a lifting platform; 9c, a welding robot; 9d, a cross beam; 9d-1, a guide groove; 9e, a horizontal extrusion device; 9e-1, extruding a cylinder; 9f, an upper clamping device and a lower clamping device; 9f-1, clamping the air cylinder; 9f-2, an upper pressure plate; 9f-3, a lower pressing plate; 9f-4, a guide post; 9f-5, a guide sleeve; 9g, a device for filling the arc striking and extinguishing plate; 9g-1, a magazine type arc striking and extinguishing plate storage bin; 9g-2, a cylinder jacking device; 9g-3, a guide cylinder; 9g-4, guiding the movable cover plate; 9g-5, locking bolts; 9g-6 g of distance bolt; 9h, extruding devices on two sides of the cylindrical shell section; 9h-1, extruding wheels; 9h-2, an extrusion wheel driving mechanism; 9i, mounting a support by using a cylinder; 9i-1 and a boss; 10. a mechanical arm shell ring transfer device; 10a, a guide rail arranged on the cantilever frame; 10b, a mechanical arm horizontal and lifting driving mechanism; 10c, a cylindrical section transferring mechanical arm; 11. a shell ring buffer storage device; 11a, a shell ring storage rack; 11b, a translation sliding table; 12. the cylinder sections are grouped and translated by a guide rail; 13. the shell ring team is translated to the trolley; 13a, an active conveying raceway, 14, and a barrel section team active conveying raceway; 15. a translation guide rail is welded at the longitudinal seam of the shell ring; 16. A translation trolley is welded at the longitudinal seam of the shell ring; 16a, a cylindrical section rotation driving device; 17. a cylindrical shell section longitudinal seam welding machine; 18. a shell ring; 18a, a striking and extinguishing plate; 18b, cylindrical shell section longitudinal seam.

Detailed Description

To better illustrate the objects, aspects and advantages of the present invention, the present invention will be further described with reference to specific embodiments. The present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the invention to those skilled in the art, and the present invention will only be defined by the appended claims.

As shown in fig. 1-10, an automatic production line for manufacturing a shell ring of a pressure vessel comprises a steel plate feeding trolley 1, a steel plate feeding mechanism 3, a plate rolling machine 4, a shell ring longitudinal seam and arc striking and extinguishing plate assembling spot welding device 9, a shell ring longitudinal seam welding machine 17, an arc striking and extinguishing plate cutting device 8, a shell ring team conveying device and a mechanical arm shell ring transfer device 10.

The steel plate feeding mechanism 3 transfers the steel plate loaded on the steel plate feeding trolley 1 to the plate bending machine 4, and the mechanical arm shell ring transfer device 10 transfers the shell rings processed by the plate bending machine 4 between the shell ring longitudinal seam and arc striking and extinguishing plate assembly spot welding device 9, the shell ring longitudinal seam welding machine 17, the arc striking and extinguishing plate cutting device 8 and the shell ring team conveying device to sequentially complete each processing procedure.

As one example, the mechanical arm shell ring transfer device 10 is composed of a guide rail 10a provided on the cantilever frame, a mechanical arm horizontal and elevation driving mechanism 10b running thereon, and a shell ring transfer mechanical arm 10 c.

The production line further comprises a control system, the control system is electrically connected with the execution mechanisms and used for controlling the starting and stopping of the driving devices on the execution mechanisms, and automatic or semi-automatic production of the production line is achieved.

Furthermore, the plate bending machine 4 is a numerical control plate bending machine, the plate bending machine 4 comprises a plate bending machine feeding frame 5 and a plate bending executing mechanism, the plate bending machine feeding frame 5 is arranged at the front end of the plate bending executing mechanism, a driven roller path 5a is installed on the plate bending machine feeding frame 5, an upper roller support and a turnover arm 4a are arranged on the plate bending executing mechanism, an upper roller is arranged on the upper roller support and the turnover arm 4a, two side extrusion centering mechanisms 5b are installed on two sides of the plate bending machine feeding frame 5 to adjust the position of a steel plate located on the driven roller path 5a, and a steel plate tail pushing mechanism 5c is installed in the middle of the plate bending machine feeding frame 5 to push the steel plate located on the driven roller path 5a to the plate bending executing mechanism of the plate bending machine 4. Specifically, the action of the two-side pressing and centering mechanism 5b and the steel plate tail pushing mechanism 5c on the steel plate is a front-end process of the rolling execution mechanism rolling the steel plate. The two-side extrusion centering mechanism 5b and the steel plate tail pushing mechanism 5c can adopt various structures to complete operation procedures, for example, the two-side extrusion centering mechanism 5b can adopt a mode of pushing a push plate by a cylinder to center and adjust a steel plate positioned on a driven roller path 5a, and the steel plate tail pushing mechanism 5c can adopt a structure of a motor driving gear rack acting on a shift lever to act on the tail of the steel plate to push the steel plate to a plate rolling executing mechanism of the plate rolling machine 4.

Preferably, a plurality of steel plate storage racks are adopted below the steel plate feeding mechanism 3 and beside the plate bending machine feeding rack 5 and are used for storing steel plates with different specifications.

Steel sheet feeding platform truck 1 sets up on steel sheet feeding platform truck track 2, and steel sheet feeding platform truck track 2 sets up in 3 active areas of steel sheet feed mechanism, and steel sheet feeding platform truck 1 can move along steel sheet feeding platform truck track 2 business turn over.

As one of the embodiments, the steel plate feeding trolley 1 may be configured as an omnidirectional AGV flat car to realize steel plate feeding.

The steel plate feeding mechanism 3 comprises a guide rail 3a arranged on a frame, the guide rail 3a arranged on the frame strides over a feeding frame 5 of the plate bending machine, two sets of connecting frame horizontal and lifting driving mechanisms 3d are arranged on the guide rail 3a arranged on the frame, a vacuum chuck connecting frame 3c is arranged below the connecting frame horizontal and lifting driving mechanisms 3d, the connecting frame horizontal and lifting driving mechanisms 3d are linked to drive the vacuum chuck connecting frame 3c to move up and down and move in a translation mode, a plurality of vacuum chucks 3b are arranged below the vacuum chuck connecting frame 3c in a hanging mode, the vacuum chucks 3b adsorb the steel plate from a steel plate feeding trolley 1, and the connecting frame horizontal and lifting driving mechanisms 3d are used for placing the steel plate on a driven raceway 5a of the plate bending machine feeding frame 5.

Furthermore, a translation guide rail 6 and a translation trolley 7 are arranged on the side edge (beside the upper roller support and the turnover arm 4 a) of the plate bending machine 4, the translation trolley 7 runs on the translation guide rail 6, a leading and extinguishing plate cutting device 8 is installed on the translation trolley 7, and the leading and extinguishing plate cutting device 8 consists of a rack 8a, a shell ring rotation driving mechanism 8b installed on two sides of the rack 8a, horizontal moving devices 8d installed on two ends of the rack 8a, an up-and-down vertical moving feeding device 8e installed on the horizontal moving device 8d, and a circular saw 8c installed on the up-and-down vertical moving feeding device 8 e.

Specifically, the shell ring rotation driving mechanism 8b comprises a driving roller 8b-1 and a driving roller driving mechanism 8b-2, the shell ring 18 is arranged above the driving roller 8b-1, the driving roller 8b-1 plays a role in supporting the shell ring 18, and the driving roller driving mechanism 8b-2 drives the driving roller 8b-1 to rotate so as to drive the shell ring 18 to rotate. When the working procedure of assembling and spot welding the longitudinal seam of the shell ring and the arc striking and extinguishing plate is executed, the driving roller driving mechanism 8b-2 drives the driving roller 8b-1 to rotate, so as to drive the shell ring 18 to rotate, and the longitudinal seam 18b of the shell ring 18 is rotated to be right above. When the cutting process of the arc striking and extinguishing plate 18a is executed, the driving roller driving mechanism 8b-2 drives the driving roller 8b-1 to rotate, so as to drive the cylindrical shell section 18 to rotate, and the cylindrical shell section longitudinal seam 18b of the cylindrical shell section 18 is rotated to be right below.

The horizontal movement devices 8d are provided at both ends of the frame 8a, the vertical movement feeding device 8e is attached to a movable end of the horizontal movement device 8d, and the circular saw 8c is attached to a movable end of the vertical movement feeding device 8 e.

Preferably, the horizontal moving device 8d and the up-down vertical moving feeding device 8e are further provided with a guiding assembly for guiding the movement of the horizontal moving device 8d and the up-down vertical moving feeding device 8 e.

The vertical movement feeding device 8e is also provided with a fixed distance backer. The horizontal moving devices 8d at the two ends of the rack drive the vertical moving feeding device 8e, the circular saw 8c and the distance backer to be close to the two ends of the cylinder section 18 until the distance backer extrudes the two ends of the cylinder section 18, the vertical moving feeding device 8e is started to drive the circular saw 8c to move downwards, the arc striking and extinguishing plates 18a at the two ends of the cylinder section 18 are cut under the guide of the distance backer, and the cutting of the arc striking and extinguishing plates 18a is completed.

Further, two sides of the frame 8a are provided with two-side cylindrical section extrusion devices 9 h. The extruding device 9h on the two sides of the shell ring comprises an extruding wheel 9h-1 and an extruding wheel driving mechanism 9h-2, an extruding wheel mounting support and an extruding wheel driving mechanism mounting support are arranged on the rack 8a, the extruding wheel mounting support is rotatably connected with the rack 8a, the fixed end of the extruding wheel driving mechanism 9h-2 is arranged on the extruding wheel driving mechanism mounting support, the movable end of the extruding wheel driving mechanism 9h-2 is arranged on the extruding wheel mounting support, and the extruding wheel 9h-1 is arranged on the extruding wheel mounting support. The extrusion wheel driving mechanism 9h-2 drives the two extrusion wheel mounting brackets to be folded, so that the cylindrical section 18 is extruded, and the longitudinal seam 18b of the cylindrical section is folded.

The cylindrical shell section longitudinal seam and arc striking and extinguishing plate assembly spot welding device 9 is arranged at one end of the translation guide rail 6, and the cylindrical shell section longitudinal seam and arc striking and extinguishing plate assembly spot welding device 9 comprises a stand column, a lifting guide rail 9a and a lifting platform 9b running on the stand column and the lifting guide rail 9 a. The connection of the lifting platform 9b with the upright and the lifting guide 9a includes, but is not limited to, the following two ways: (1) the lifting platform 9b adopts a motor and a speed reducer to drive a screw nut, and a sliding plate on the lifting platform 9b is driven to move up and down on the surfaces of the upright post and the lifting guide rail 9 a. (2) The lifting platform 9b drives a gear rack by a motor and a reducer to drive a sliding plate on the lifting platform 9b to move up and down on the surfaces of the upright post and the lifting guide rail 9 a.

And a welding robot 9c is arranged on the lifting platform 9b, and the welding robot 9c completes the spot welding operation on the cylindrical shell section longitudinal seam 18b and the arc striking and extinguishing plate 18a on the cylindrical shell section 18 through a groove formed in the middle of the upper pressing plate 9 f-2.

The end part of the lifting platform 9b is provided with a cross beam 9d, a sensor is arranged below the cross beam 9d, when the lifting platform 9b moves downwards, the cross beam 9d contacts the barrel section 18 and the sensor sends a signal to stop moving downwards, and the cross beam 9d reaches a working position. The beam 9d is provided with a guide groove 9d-1, two ends of the beam 9d are respectively provided with a horizontal extrusion device 9e, the horizontal extrusion device 9e can move along the guide groove 9d-1 on the beam 9d, and the end part of the horizontal extrusion device 9e is provided with an upper clamping device 9f, a lower clamping device 9f and an arc striking and extinguishing plate filling device 9 g.

As one embodiment, a rectangular channel which is through up and down is arranged on the cross beam 9d along the length direction, guide grooves 9d-1 are arranged on the inner side walls of two sides of the channel, two ends of each guide groove 9d-1 are respectively provided with an air cylinder mounting support 9i, and the air cylinder mounting supports 9i can slide in the guide grooves 9 d-1.

The horizontal extrusion device 9e comprises an extrusion cylinder 9e-1, a front flange of the extrusion cylinder 9e-1 is connected with cylinder supports positioned at two ends of a cross beam 9d, a cylinder rod of the extrusion cylinder 9e-1 is connected with one end of a cylinder mounting support 9i, the extrusion cylinder 9e-1 drives the cylinder mounting support 9i to slide in a guide groove 9d-1 to be close to a cylindrical section, and two ends of a plane extrusion cylindrical section 18 at the other end of the cylinder mounting support 9i eliminate axial misalignment at two sides of a cylindrical section longitudinal seam 18 b;

the upper and lower clamping devices 9f comprise two clamping cylinders 9f-1, an upper pressure plate 9f-2, a lower pressure plate 9f-3, guide posts 9f-4 and guide sleeves 9f-5, the clamping cylinders 9f-1 are respectively arranged at the upper and lower ends of a cylinder mounting support 9i, a cylinder rod of the clamping cylinder 9f-1 is respectively connected with the upper pressure plate 9f-2 and the lower pressure plate 9f-3, the upper pressure plate 9f-2 and the lower pressure plate 9f-3 are respectively provided with two guide posts 9f-4, the cylinder mounting support 9i is provided with the guide sleeve 9f-5 matched with the guide post 9f-4, the contact parts of the upper pressure plate 9f-2 and the lower pressure plate 9f-3 with a cylinder joint adopt an arc surface structure, the clamping cylinders 9f-1 respectively drive the upper pressure plate 9f-2 and the lower pressure plate 9f-3 to mutually approach, radial direction extrusion of the shell ring 18 eliminates radial misalignment of the shell ring longitudinal seam 18 b.

Specifically, the cylinder mounting support 9i is a rectangular parallelepiped structure having five end faces, the upper and lower end faces are used for mounting the clamping cylinder 9f-1, two end faces in contact with the guide groove 9d-1 on the beam 9d are provided with bosses 9i-1 matched with the guide groove 9d-1, and the end face located on the outer side is used for mounting the extruding cylinder 9 e-1.

The arc striking and extinguishing plate filling device 9g is arranged on the lower surface of the lower pressing plate 9f-3, the arc striking and extinguishing plate filling device 9g comprises a magazine type arc striking and extinguishing plate storage bin 9g-1, a cylinder jacking device 9g-2, a guide cylinder 9g-3 and a guide movable cover plate 9g-4, openings are formed in the upper end surface and the lower end surface of the magazine type arc striking and extinguishing plate storage bin 9g-1, and the arc striking and extinguishing plates are horizontally stacked in the magazine type arc striking and extinguishing plate storage bin 9 g-1.

The lower pressing plate 9f-3 is provided with a rectangular through hole, the upper end face of the magazine type arc leading and extinguishing plate storage bin 9g-1 is inserted into the rectangular through hole, the cylinder jacking device 9g-2 is arranged below the magazine type arc leading and extinguishing plate storage bin 9g-1, the movable end of the cylinder jacking device 9g-2 is provided with a top plate, the top plate is connected to the magazine type arc leading and extinguishing plate storage bin 9g-1 and an arc leading and extinguishing plate therein, and the cylinder jacking device 9g-2 drives the magazine type arc leading and extinguishing plate storage bin 9g-1 and the arc leading and extinguishing plate therein to move upwards.

The guide cylinder 9g-3 is arranged on the lower surface of the lower pressing plate 9f-3, and the guide cylinder 9g-3 drives the magazine type arc guiding and extinguishing plate storage bin 9g-1 to move horizontally, so that the arc guiding and extinguishing plate at the uppermost end is tightly attached to the end surface of the longitudinal seam of the shell ring.

The guide moving cover plate 9g-4 is arranged on the upper pressing plate 9f-2, the guide moving cover plate 9g-4 can slide along the upper pressing plate 9f-2, a groove is formed in the middle of the upper pressing plate 9f-2, and the longitudinal seam of the cylindrical shell section is exposed; locking bolts 9g-5 are arranged on two sides of the guide movable cover plate 9g-4, a distance bolt 9g-6 is arranged in the middle of the guide movable cover plate, the guide movable cover plate 9g-4 is moved away, the magazine type arc leading and extinguishing plate storage bin 9g-1 is upwards inserted into the rectangular through hole in the lower pressing plate 9f-3, the guide movable cover plate 9g-4 is reset and fixed by the locking bolts 9g-5, and the distance bolt 9g-6 is adjusted to enable the uppermost arc leading and extinguishing plate to be flush with the upper surface of the longitudinal seam of the cylindrical shell section.

Furthermore, the production line further comprises a shell ring buffer storage device 11, the shell ring buffer storage device 11 is arranged on the side edge of the shell ring longitudinal seam and arc striking and extinguishing plate assembly spot welding device 9, and the shell ring buffer storage device 11 is composed of a shell ring storage rack 11a and a translation sliding table 11 b. The translation sliding table 11b is movable in the production line area, and the shell ring storage rack 11a is disposed above the translation sliding table 11 b. A plurality of translation sliding tables 11b may be provided, and a plurality of shell ring storage racks 11a may be provided on one translation sliding table 11b, and the shell ring storage racks 11a are used for buffer storage of the shell rings 18. The direction of the translation sliding table 11b is perpendicular to the direction of the axis of the upper roller of the plate bending machine 4, the axis direction of the cylinder section 18 on the cylinder section storage rack 11a is the same as the direction of the axis of the upper roller of the plate bending machine 4, and the cylinder section transfer device 10 of the mechanical arm is convenient to transfer the cylinder section 18.

Furthermore, the shell ring team conveying device comprises a shell ring team translation guide rail 12, a shell ring team translation trolley 13 and a shell ring team active conveying raceway 14, wherein the shell ring team translation trolley 13 runs on the shell ring team translation guide rail 12, the shell ring team translation trolley 13 is provided with an active conveying raceway 13a, the shell ring team active conveying raceway 14 is arranged at one end of the shell ring team translation guide rail 12 and is perpendicular to the shell ring team translation guide rail 12, and the shell ring team translation trolley 13 can be connected with the shell ring team active conveying raceway 14.

As one of the embodiments, the shell section team translation trolley 13 may be configured as an omnidirectional AGV flat car with a jacking function to replace the function thereof, so as to transfer the shell section 18 to a team station and other shell section storage sites.

Furthermore, a shell section longitudinal seam welding translation guide rail 15 and a shell section longitudinal seam welding translation trolley 16 are arranged on the side edge (the side of the shell section assembly translation guide rail 12) of the shell section assembly conveying device, the direction of the shell section longitudinal seam welding translation guide rail 15 is the same as the direction of an axial line of an upper roller of the plate bending machine 4, the shell section longitudinal seam welding translation trolley 16 runs on the shell section longitudinal seam welding translation guide rail 15, a shell section rotation driving device 16a is installed on the shell section longitudinal seam welding translation trolley 16, a shell section longitudinal seam welding machine 17 is arranged at one end of the shell section longitudinal seam welding translation guide rail 15, and the shell section longitudinal seam welding machine 17 achieves welding of a shell section longitudinal seam 18 b.

The working process of the production line for manufacturing the pressure container shell ring is as follows:

s1, the steel plate feeding trolley 1 is driven out, the steel plate is placed on the steel plate feeding trolley 1, and the steel plate feeding trolley 1 is reset;

s2, starting the steel plate feeding mechanism 3, enabling a vacuum sucker 3b on a vacuum sucker connecting frame 3c to suck the steel plate from the steel plate feeding trolley 1, placing the steel plate on a driven roller path 5a of a plate bending machine feeding frame 5 by utilizing a connecting frame horizontal and lifting driving mechanism 3d, starting the two-side extrusion centering mechanisms 5b to center the steel plate with the plate bending machine 4, and starting the steel plate tail pushing mechanism 5c to push the steel plate to the plate bending machine 4;

s3, starting the plate rolling machine 4 to roll the plate, turning the opening part of the cylindrical section longitudinal seam 18b of the cylindrical section 18 to the lowest part after finishing the plate rolling, opening the upper roller support and turnover arm 4a, and lifting the upper roller of the plate rolling machine 4;

s4, starting the mechanical arm shell ring transfer device 10, driving the shell ring transfer mechanical arm 10c to be inserted into the shell ring 18 by the mechanical arm horizontal and lifting driving mechanism 10b, and transferring the shell ring 18 to the translation trolley 7;

s5, starting the translation trolley 7 to carry the shell ring 18 to move to the position below the shell ring longitudinal seam and arc striking and extinguishing plate assembly spot welding device 9, starting the shell ring rotation driving mechanism 8b, rotating the opening of the shell ring longitudinal seam 18b to the top, starting the lifting platform 9b to move downwards until the cross beam 9d presses the opening part of the shell ring longitudinal seam 18b, starting the squeezing devices 9h at the two sides of the shell ring to squeeze the two sides of the shell ring 18, eliminating the longitudinal seam gap of the shell ring 18, starting the horizontal squeezing devices 9e at the two ends of the cross beam 9d to squeeze the two ends of the opening part of the shell ring longitudinal seam 18b, eliminating the axial misalignment at the two ends of the opening part of the shell ring longitudinal seam 18b, starting the upper and lower clamping devices 9f to eliminate the misalignment in the thickness direction of the shell ring longitudinal seam 18b, starting the arc striking and extinguishing plate filling device 9g to install the arc striking and extinguishing plates 18a at the two ends, starting the welding robot 9c to spot weld the shell ring longitudinal seam 18b and the arc striking and the arc extinguishing plates 18a, starting a reset program, and moving the translation trolley 7 to the lower part of the mechanical arm shell ring transfer device 10 along with the shell ring 18;

s6, starting the mechanical arm shell ring transfer device 10, driving the shell ring transfer mechanical arm 10c to be inserted into the shell ring 18 by the mechanical arm horizontal and lifting driving mechanism 10b, and transferring the shell ring 18 to the shell ring longitudinal seam welding translation trolley 16;

s7, starting the shell ring longitudinal seam welding translation trolley 16, sending the shell ring 18 into the shell ring longitudinal seam welding machine 17, starting a shell ring rotation driving device 16a arranged on the shell ring longitudinal seam welding translation trolley 16, rotating the shell ring longitudinal seam 18b to the uppermost part, starting the shell ring longitudinal seam welding machine 17 to complete longitudinal seam welding, starting a reset program, and moving the shell ring 18 out of the shell ring longitudinal seam welding machine 17 by the shell ring longitudinal seam welding translation trolley 16;

s8, starting the mechanical arm shell ring transfer device 10, driving the shell ring transfer mechanical arm 10c to be inserted into the shell ring 18 by the mechanical arm horizontal and lifting driving mechanism 10b, and transferring the shell ring 18 to the translation trolley 7;

s9, starting the translation trolley 7 to carry the shell ring 18 to leave the mechanical arm shell ring transfer device 10, starting a shell ring rotation driving mechanism 8b on the translation trolley 7, rotating the arc striking and extinguishing plates 18a at the two ends of the shell ring 18 to the lowest part, starting the horizontal moving devices 8d at the two sides to enable the distance backer on the horizontal moving devices to cling to the end surface of the shell ring 18, starting the vertical movement feeding device 8e up and down to drive the circular saw 8c to cut the arc striking and extinguishing plates 18a at the two ends of the shell ring 18 downwards, starting a resetting program, and enabling the translation trolley 7 to carry the shell ring 18 to enter the lower part of the mechanical arm shell ring transfer device 10;

s10, starting the mechanical arm shell ring transfer device 10, driving the shell ring transfer mechanical arm 10c to be inserted into the shell ring 18 by the mechanical arm horizontal and lifting driving mechanism 10b, and transferring the shell ring 18 to the plate bending machine 4;

s11, starting the plate rolling machine 4, closing the upper roller support and the turnover arm 4a, performing rewinding on the shell ring 18, and after finishing rewinding, opening the upper roller support and the turnover arm 4a by the plate rolling machine 4 to drive the upper roller to move upwards for a certain distance;

s12, starting the mechanical arm shell ring transfer device 10, driving the shell ring transfer mechanical arm 10c to be inserted into the shell ring 18 by the mechanical arm horizontal and lifting driving mechanism 10b, and transferring the shell ring 18 to the shell ring team translation trolley 13;

s13, starting the active conveying roller 13a on the shell ring formation translation trolley 13 to carry the shell ring 18 to move to be aligned with the shell ring formation active conveying raceway 14;

s14, simultaneously starting the active conveying roller path 13a and the barrel section team active conveying roller path 14, and conveying the barrel section 18 to a barrel section team forming station;

s15, the shell ring buffer storage device 11 can be flexibly applied, when the shell ring 18 needs to be stored, the translation sliding table 11b on the shell ring buffer storage device 11 is moved to the position below the mechanical arm shell ring transfer device 10, the mechanical arm shell ring transfer device 10 places the shell ring 18 on the translation sliding table 11b, the translation sliding table 11b carries the shell ring 18 to reset, when the shell ring 18 needs to be taken out, the translation sliding table 11b carrying the shell ring 18 is moved to the position below the mechanical arm shell ring transfer device 10, and the mechanical arm shell ring transfer device 10 sends the shell ring 18 to other stations.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (10)

1. The utility model provides a pressure vessel shell ring makes automation line which characterized in that: the device comprises a steel plate feeding trolley (1), a steel plate feeding mechanism (3), a plate bending machine (4), a shell ring longitudinal seam and arc striking and extinguishing plate assembling spot welding device (9), a shell ring longitudinal seam welding machine (17), an arc striking and extinguishing plate cutting device (8), a shell ring assembly conveying device and a mechanical arm shell ring transferring device (10);

steel sheet feed mechanism (3) will load in steel sheet transport on steel sheet feeding platform truck (1) extremely veneer reeling machine (4), arm shell ring transfer device (10) will pass through shell ring longitudinal joint after veneer reeling machine (4) processing is in transport between shell ring longitudinal joint and draw arc quenching board assembly spot welding device (9), shell ring longitudinal joint welding machine (17), draw arc quenching board cutting device (8) and the shell ring team conveyor and accomplish each manufacturing procedure in proper order.

2. The automatic production line for manufacturing the pressure vessel shell ring as claimed in claim 1, wherein: the plate bending machine (4) comprises a plate bending machine feeding frame (5) and a plate bending executing mechanism, a passive rolling way (5a) is installed on the plate bending machine feeding frame (5), two sides of the plate bending machine feeding frame (5) are provided with two side extrusion centering mechanisms (5b) for adjusting the position of a steel plate positioned on the passive rolling way (5a), and a steel plate tail pushing mechanism (5c) is installed in the middle of the plate bending machine feeding frame (5) and pushes the steel plate positioned on the passive rolling way (5a) to the plate bending executing mechanism of the plate bending machine (4);

the steel plate feeding trolley (1) is arranged on a steel plate feeding trolley track (2), the steel plate feeding trolley track (2) is arranged in the movable area of the steel plate feeding mechanism (3), and the steel plate feeding trolley (1) can move in and out along the steel plate feeding trolley track (2);

the steel plate feeding mechanism (3) comprises a guide rail (3a) arranged on a frame, the guide rail (3a) arranged on the frame is arranged across the feeding frame (5) of the plate bending machine, two sets of horizontal and lifting driving mechanisms (3d) for connecting the frame are arranged on the guide rail (3a) arranged on the frame, a vacuum chuck connecting frame (3c) is arranged below the connecting frame horizontal and lifting driving mechanism (3d), the connecting frame horizontal and lifting driving mechanism (3d) drives the vacuum sucker connecting frame (3c) to move up and down and move in a translation way, a plurality of vacuum suckers (3b) are arranged below the vacuum sucker connecting frame (3c), the vacuum chuck (3b) adsorbs the steel plate from the steel plate feeding trolley (1), and the connecting frame horizontal and lifting driving mechanism (3d) is utilized to place the steel plate on a driven roller path (5a) of the plate bending machine feeding frame (5).

3. The automatic production line for manufacturing the pressure vessel shell ring as claimed in claim 1, wherein: the side of veneer reeling machine (4) is equipped with translation guide rail (6) and translation platform truck (7), translation platform truck (7) moves on translation guide rail (6), draw arc-quenching board cutting device (8) install in on translation platform truck (7), draw arc-quenching board cutting device (8) by frame (8a), install shell ring rotary driving mechanism (8b) in frame (8a) both sides, install horizontal migration device (8d) at frame (8a) both ends, install upper and lower vertical migration feeding device (8e) on horizontal migration device (8d), install circular saw (8c) on upper and lower vertical migration feeding device (8e) are constituteed.

4. The automatic production line for manufacturing the shell ring of the pressure vessel as claimed in claim 3, wherein: shell ring both sides extrusion device (9h) is installed to frame (8a) both sides, shell ring longitudinal joint with draw arc plate assembly spot welding device (9) set up in translation guide rail (6) one end, shell ring longitudinal joint with draw arc plate assembly spot welding device (9) of putting out include stand and lift guide rail (9a) and in lift platform (9b) of operation on stand and lift guide rail (9a), install welding robot (9c) on lift platform (9b), crossbeam (9d) is installed to the tip of lift platform (9b), crossbeam (9d) below is equipped with the sensor, be equipped with guide way (9d-1) on crossbeam (9d) horizontal extrusion device (9e) are installed respectively to the both ends of crossbeam (9d), horizontal extrusion device (9e) can be along guide way (9d-1) on crossbeam (9d) move, the end part of the horizontal extrusion device (9e) is provided with an upper clamping device (9f), a lower clamping device (9f) and an arc striking and extinguishing plate filling device (9 g).

5. The automatic production line for manufacturing the pressure vessel shell ring as claimed in claim 1, wherein: the production line still includes shell ring buffering storage device (11), shell ring buffering storage device (11) set up in the shell ring longitudinal joint with draw the side of putting off arc board assembly spot welding device (9), shell ring buffering storage device (11) comprise shell ring storage frame (11a) and translation slip table (11 b).

6. The automatic production line for manufacturing the pressure vessel shell ring as claimed in claim 1, wherein: the shell ring team conveying device comprises a shell ring team translation guide rail (12), a shell ring team translation trolley (13) and a shell ring team active conveying raceway (14), the shell ring team translation trolley (13) runs on the shell ring team translation guide rail (12), an active conveying raceway (13a) is installed on the shell ring team translation trolley (13), the shell ring team active conveying raceway (14) is arranged at one end of the shell ring team translation guide rail (12) and is perpendicular to the shell ring team translation guide rail (12), and the shell ring team translation trolley (13) can be connected with the shell ring team active conveying raceway (14).

7. The automatic production line for manufacturing the pressure vessel shell ring as claimed in claim 1, wherein: the side of shell ring team conveyor is provided with shell ring longitudinal joint welding translation guide rail (15) and shell ring longitudinal joint welding translation platform truck (16), the direction of shell ring longitudinal joint welding translation guide rail (15) with the direction of roll axis is the same on veneer reeling machine (4), shell ring longitudinal joint welding translation platform truck (16) move on shell ring longitudinal joint welding translation guide rail (15), install shell ring rotary drive device (16a) on shell ring longitudinal joint welding translation platform truck (16), shell ring longitudinal joint welding machine (17) set up in shell ring longitudinal joint welding translation guide rail (15) one end.

8. The automatic production line for manufacturing the pressure vessel shell ring as claimed in claim 1, wherein: the mechanical arm shell ring transfer device (10) is composed of a guide rail (10a) arranged on the cantilever rack, a mechanical arm horizontal and lifting driving mechanism (10b) running on the guide rail, and a shell ring transfer mechanical arm (10 c).

9. The automatic production line for manufacturing the shell ring of the pressure vessel as claimed in claim 4, wherein: a rectangular channel which is through up and down is arranged on the cross beam (9d) along the length direction, the guide grooves (9d-1) are arranged on the inner side walls of the two sides of the channel, two ends of each guide groove (9d-1) are respectively provided with an air cylinder mounting support (9i), and the air cylinder mounting supports (9i) can slide in the guide grooves (9 d-1);

the horizontal extrusion device (9e) comprises an extrusion cylinder (9e-1), a front flange of the extrusion cylinder (9e-1) is connected with cylinder supports positioned at two ends of the cross beam (9d), a cylinder rod of the extrusion cylinder (9e-1) is connected with one end of a cylinder mounting support (9i), the extrusion cylinder (9e-1) drives the cylinder mounting support (9i) to slide in the guide groove (9d-1) to be close to the cylindrical shell, and two ends of the planar extrusion cylindrical shell at the other end of the cylinder mounting support (9i) eliminate axial misalignment at two sides of the longitudinal seam of the cylindrical shell;

the upper and lower clamping devices (9f) comprise two clamping cylinders (9f-1), an upper pressure plate (9f-2), a lower pressure plate (9f-3), guide columns (9f-4) and guide sleeves (9f-5), the clamping cylinders (9f-1) are respectively arranged at the upper end and the lower end of the cylinder mounting support (9i), cylinder rods of the clamping cylinders (9f-1) are respectively connected with the upper pressure plate (9f-2) and the lower pressure plate (9f-3), the upper pressure plate (9f-2) and the lower pressure plate (9f-3) are respectively provided with the two guide columns (9f-4), the cylinder mounting support (9i) is provided with the guide sleeves (9f-5) matched with the guide columns (9f-4), and the contact positions of the upper pressure plate (9f-2) and the lower pressure plate (9f-3) and the cylinder joint are adopted And by using an arc surface structure, the clamping cylinder (9f-1) respectively drives the upper pressing plate (9f-2) and the lower pressing plate (9f-3) to mutually approach, and the cylindrical shell section is extruded in the radial direction to eliminate the radial misalignment of the longitudinal seam of the cylindrical shell section.

10. The automatic production line for manufacturing the shell ring of the pressure vessel as claimed in claim 9, wherein: the arc leading and extinguishing plate filling device (9g) is arranged on the lower surface of the lower pressing plate (9f-3), the arc leading and extinguishing plate filling device (9g) comprises a magazine type arc leading and extinguishing plate storage bin (9g-1), a cylinder jacking device (9g-2), a guide cylinder (9g-3) and a guide movable cover plate (9g-4), openings are formed in the upper end surface and the lower end surface of the magazine type arc leading and extinguishing plate storage bin (9g-1), and arc leading and extinguishing plates are horizontally stacked in the magazine type arc leading and extinguishing plate storage bin (9 g-1);

the lower pressing plate (9f-3) is provided with a rectangular through hole, the upper end face of the magazine type arc leading and extinguishing plate storage bin (9g-1) is inserted into the rectangular through hole, the cylinder jacking device (9g-2) is arranged below the magazine type arc leading and extinguishing plate storage bin (9g-1), the movable end of the cylinder jacking device (9g-2) is provided with a top plate, the top plate is connected to the magazine type arc leading and extinguishing plate storage bin (9g-1) and the arc leading and extinguishing plate therein, and the cylinder jacking device (9g-2) drives the magazine type arc leading and extinguishing plate storage bin (9g-1) and the arc leading and extinguishing plate therein to move upwards;

the guide cylinder (9g-3) is arranged on the lower surface of the lower pressing plate (9f-3), and the guide cylinder (9g-3) drives the magazine type arc guiding and extinguishing plate storage bin (9g-1) to move horizontally so that the uppermost arc guiding and extinguishing plate is tightly attached to the end surface of the longitudinal seam of the cylindrical shell section;

the guide moving cover plate (9g-4) is arranged on the upper pressure plate (9f-2), the guide moving cover plate (9g-4) can slide along the upper pressure plate (9f-2), a groove is formed in the middle of the upper pressure plate (9f-2), and a longitudinal seam of the cylindrical shell section is exposed; locking bolts (9g-5) are arranged on two sides of the guide moving cover plate (9g-4), distance bolts (9g-6) are arranged in the middle of the guide moving cover plate, the guide moving cover plate (9g-4) is moved away, the magazine type arc striking and extinguishing plate storage bin (9g-1) is inserted into the rectangular through hole in the lower pressing plate (9f-3), the guide moving cover plate (9g-4) is reset and used for fixing the locking bolts (9g-5), and the distance bolts (9g-6) are adjusted to enable the arc striking and extinguishing plate to be flush with the upper surface of the longitudinal seam of the cylindrical shell section.

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