CN116117624A - Pressure vessel weld grinding device and method - Google Patents
Pressure vessel weld grinding device and method Download PDFInfo
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- CN116117624A CN116117624A CN202310428503.8A CN202310428503A CN116117624A CN 116117624 A CN116117624 A CN 116117624A CN 202310428503 A CN202310428503 A CN 202310428503A CN 116117624 A CN116117624 A CN 116117624A
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- polishing
- pressure vessel
- rotating
- fixedly connected
- support frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/04—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of metal, e.g. skate blades
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a welding seam grinding device and a welding seam grinding method for a pressure container, belonging to the technical field of welding seam grinding equipment, and comprising a lower support frame, wherein the surface of the lower support frame is hinged with an upper support frame, the surface of the upper support frame is hinged with a limiting plate, a large pressure container is arranged between the upper support frame and the lower support frame, and the surface of the large pressure container is communicated with a feed pipe; when the large-sized pressure vessel needs to be polished, the welding seam of the discharge pipe is polished by the first polishing claw; in the process of rotating the supporting legs, the irregular welding seams of the supporting legs are automatically polished by using the polishing plates, so that the polishing is not needed, the manual workload is reduced, and the polishing efficiency is improved; and utilize the second to polish the welding seam of inlet pipe, be favorable to carrying out disposable polishing with the irregular welding seam on large-scale pressure vessel surface, reduce grinding time, improve the efficiency of welding seam grinding, do not need the manual work to polish.
Description
Technical Field
The invention relates to the technical field of weld grinding equipment, in particular to a device and a method for grinding a weld of a pressure container.
Background
The pressure container is a closed device for containing gas or liquid and bearing a certain pressure; the pressure container is a special device with high risk, and once accidents such as leakage and explosion occur, casualties and important property loss can be caused, so that the strength detection of the pressure container is particularly important, a connecting pipe of the pressure container is generally connected through welding, the strength of the pressure container can be influenced by the welding quality, and in order to ensure the welding strength of the pressure container, after the container is welded, special detection personnel can detect welding seams through tools such as a welding seam detection ruler.
In the prior art, in the process of producing a large pressure vessel, a large pressure vessel cylinder is generally formed by welding multiple sections of cylinder sections, a feeding pipe, a discharging pipe and a plurality of supporting feet are required to be welded on the surface of the cylinder, after welding is finished, welding seams on the surface of the large pressure vessel cylinder can be polished through a polishing device, but the conventional polishing device can only polish the welding seams coaxial with the pressure vessel cylinder, and cannot polish irregular welding positions of a feeding port, a discharging port and the plurality of supporting feet, which are welded on the pressure vessel cylinder, the irregular welding positions on the surface of the large pressure vessel still need to be manually polished in addition, the polishing efficiency is low, and the labor intensity of workers is high.
Disclosure of Invention
The invention aims to provide a pressure vessel welding seam grinding device and method, which are used for solving the problems that irregular welding parts on the surface of a large pressure vessel need manual grinding and the grinding efficiency is low.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a pressure vessel welding seam grinding device, includes the lower carriage, the lower carriage surface articulates there is the upper carriage, upper carriage surface articulates there is the limiting plate, be equipped with large-scale pressure vessel between upper carriage and the lower carriage, large-scale pressure vessel surface intercommunication has the inlet pipe, large-scale pressure vessel barrel one end intercommunication has the row material pipe, large-scale pressure vessel is close to row material pipe one side surface fixedly connected with a plurality of supporting legs that equi-angle was arranged, be equipped with slewing mechanism between upper carriage and the lower carriage, slewing mechanism is used for making large-scale pressure vessel convenient rotation, slewing mechanism surface is equipped with actuating mechanism, actuating mechanism is used for driving slewing mechanism and rotates, lower carriage surface is equipped with supporting legs polishing mechanism, supporting legs polishing mechanism is used for polishing the welding seam of supporting legs and large-scale pressure vessel in the course of slewing mechanism effect large-scale pressure vessel rotation, supporting legs polishing mechanism surface is equipped with row material pipe polishing mechanism for carrying out the welding seam in slewing mechanism effect large-scale pressure vessel rotation, the welding seam welding mechanism is used for carrying out the welding seam in the feed pipe of slewing mechanism effect of slewing mechanism;
as a further scheme of the invention, the rotating mechanism comprises a plurality of arc-shaped groove rails which are respectively and fixedly connected to the surfaces of the upper support frame and the lower support frame, the arc-shaped groove rails on the surface of the upper support frame are arranged opposite to the arc-shaped groove rails on the surface of the lower support frame, and a plurality of rolling wheels are rotatably connected to the inner wall surfaces of the arc-shaped groove rails;
as a further scheme of the invention, the driving mechanism comprises a driving motor which is fixedly connected to the surface of the lower support frame, and an output shaft of the driving motor penetrates through the arc-shaped groove rail and is fixedly connected with one of the rolling wheels;
as a further scheme of the invention, the feed pipe polishing mechanism comprises a plurality of arc-shaped sliding rails, wherein the sliding rails are fixedly connected to a plurality of arc-shaped groove rails, arc-shaped racks are fixedly connected to the surfaces of the sliding rails, sliding blocks are connected to the sliding rails in a sliding manner, a first rotating rod and a second rotating rod are connected to the sliding blocks in a rotating manner, the first rotating rod and the second rotating rod penetrate through the sliding blocks, the first rotating rod extends into the sliding rails, the second rotating rod extends to the positions of the arc-shaped racks, one end, close to the arc-shaped racks, of the second rotating rod is fixedly connected with a driving gear, the driving gear is meshed with the arc-shaped racks, one end, far from the arc-shaped racks, of the second rotating rod is fixedly connected with a bevel gear, a stabilizing ring is fixedly connected between the two opposite first rotating rods in a common mode, a rotating disc is connected to the inner portion of the stabilizing ring in a rotating manner, the surface of the rotating disc is fixedly connected with a bevel gear ring, the surface of the rotating disc is meshed with the bevel gear ring, one side surface of the rotating disc, the rotating disc is fixedly connected with a telescopic polishing disc, the end, close to the telescopic polishing disc is fixedly connected to one side of the telescopic connecting plate, and the end, close to the telescopic connecting plate is fixedly connected with one side of the telescopic polishing disc;
as a further scheme of the invention, the supporting leg polishing mechanism comprises a fixed toothed ring, the fixed toothed ring is fixedly connected to the surface of the lower supporting frame, the surface of the fixed toothed ring is fixedly connected with a fixed ring, an annular groove is formed in the surface of one side of the fixed ring, which is close to the supporting leg, a plurality of rotating shafts are arranged in the annular groove, rotating gears are fixedly connected to the surfaces of the rotating shafts, the rotating gears are meshed with the fixed toothed ring, a telescopic supporting plate is fixedly connected to the surface of one side, which is close to the supporting leg, of the rotating gears, balls are arranged at the end part of the supporting plate, a through groove is formed in the surface of the supporting plate, a first spring is fixedly connected to one side, which is close to the rotating gears, of the inner wall of the through groove, a polishing plate is arranged in the through groove, the middle position of the polishing plate is bent towards the side, the first spring is in sliding connection with the polishing plate, a second spring is fixedly connected to the surface of the polishing plate, and the second spring is in sliding connection with the surface of the supporting plate.
As a further scheme of the invention, the material discharging pipe polishing mechanism comprises a fixing frame, wherein the fixing frame is fixedly connected to the inner wall surface of the fixing ring, a telescopic supporting rod is fixedly connected to one side surface of the fixing frame, which is close to the material discharging pipe, the end part of the supporting rod is fixedly connected with a plurality of first polishing claws which can elastically stretch, and the end part of the first polishing claw is U-shaped;
as a further scheme of the invention, one end of the rotating shaft, which is close to the supporting leg, is rotationally connected with a telescopic connecting rod, the end part of the connecting rod is fixedly connected with a filling block, and the shape of the filling block is the same as that of a groove of the supporting leg;
as a further scheme of the invention, a thread sleeve is fixedly connected to the surface of one side of the lower support frame, which is close to the large pressure vessel, a threaded rod is connected to the thread sleeve in a threaded manner, the threaded rod penetrates through the lower support frame to extend to the outer side of the lower support frame, and a stabilizing disc is connected to the surface of one end of the threaded rod, which is close to the large pressure vessel, in a rotating manner;
a grinding method for welding seams of a pressure container comprises the following specific steps:
step one: when grinding the large pressure container, the upper support frame is required to be opened, and then the large pressure container is put into the rotating mechanism of the lower support frame;
step two: then installing a supporting leg polishing mechanism on the supporting leg, installing a discharging pipe polishing mechanism on the discharging pipe, installing a feeding pipe polishing mechanism on the feeding pipe, and closing the upper supporting frame after the installation is completed;
step three: then starting the welding seam grinding device, wherein the driving mechanism drives the rotating mechanism to drive the large-sized pressure vessel to rotate;
step four: the support leg polishing mechanism polishes the welding seam of the support leg, the material discharging pipe polishing mechanism polishes the welding seam of the material discharging pipe, the material feeding pipe polishing mechanism polishes the welding seam of the material feeding pipe, and a plurality of polishing mechanisms polish simultaneously;
step five: after polishing, the upper supporting frame is opened, the supporting leg polishing mechanism, the discharging pipe polishing mechanism and the feeding pipe polishing mechanism are opened, and the polished large-sized pressure vessel is taken down.
Compared with the prior art, the invention has the beneficial effects that:
1. when the large-sized pressure vessel needs to be polished, the welding seam of the discharge pipe is polished by the first polishing claw; in the process of rotating the supporting legs, the irregular welding seams of the supporting legs are automatically polished by using the polishing plates, so that the polishing is not needed, the manual workload is reduced, and the polishing efficiency is improved; and utilize the second to polish the welding seam of inlet pipe, be favorable to carrying out disposable polishing with the irregular welding seam on large-scale pressure vessel surface, reduce grinding time, improve the efficiency of welding seam grinding, do not need the manual work to polish, reduce artificial working strength.
2. According to the invention, before the large pressure vessel is ground, the filling block is required to be moved into the groove of the supporting leg, then in the grinding process, the supporting leg rotates to drive the rotating gear to move through the filling block, the connecting rod and the rotating shaft, the supporting leg does not squeeze the grinding plate, so that the supporting plate and the grinding plate can stably rotate, the grinding of the welding seam of the supporting leg by the grinding plate is ensured, the groove of the supporting leg can be filled by the filling block, the grinding plate can continuously rotate and grind, the grinding plate is prevented from rotating to the groove position of the supporting leg, the grinding plate can move into the groove, and the grinding cannot be continuously rotated.
3. When the large pressure container is moved into the lower supporting frame, the threaded rod is rotated, the threaded rod can move under the action of the threaded sleeve, the threaded rod can drive the stabilizing disc to move together, the stabilizing disc can act on the large pressure container to move together, the longitudinal position of the large pressure container is favorably adjusted, the manual adjustment is avoided, the safety of a human body is endangered, the stabilizing disc can keep the stability of the large pressure container in the rotating process of the large pressure container, and the grinding effect is ensured.
Drawings
FIG. 1 is a flow chart of the method of the present invention;
FIG. 2 is a schematic diagram of the overall structure of the present invention;
FIG. 3 is a schematic view of the structure of FIG. 2 at A;
FIG. 4 is a schematic view of a large pressure vessel according to the present invention;
FIG. 5 is a schematic view of the upper support frame of the present invention after being opened;
FIG. 6 is a schematic view of the structure of FIG. 5 at B;
FIG. 7 is a schematic view of the structure of the inside of the lower support frame (hidden upper support frame) according to the present invention;
FIG. 8 is a schematic view of the structure of FIG. 7 at C;
FIG. 9 is a schematic view of the structure of a stationary ring gear, stationary ring and single rotating gear according to the present invention;
FIG. 10 is a schematic view of the connection of the rotating gear, the support plate and the packing block according to the present invention;
FIG. 11 is a schematic view of a feed tube polishing mechanism according to the present invention;
FIG. 12 is a schematic view of the structure of the stabilizer ring and the rotating disk after explosion;
FIG. 13 is a schematic structural view of the connection of the rotating disc, the bevel ring gear and the polishing disc according to the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
the lower support frame 1, the large pressure vessel 1001, the feed pipe 1002, the discharge pipe 1003, the support leg 1004, the upper support frame 2, the limiting plate 3, the arc groove rail 4, the rolling wheel 5, the driving motor 6, the fixed toothed ring 7, the fixed ring 8, the annular groove 9, the rotating shaft 10, the rotating gear 11, the support plate 12, the ball 13, the through groove 14, the first spring 15, the polishing plate 16, the second spring 17, the fixing frame 18, the support rod 19, the first polishing claw 20, the sliding rail 21, the arc rack 22, the sliding block 23, the first rotating rod 24, the second rotating rod 25, the driving gear 26, the bevel gear 27, the stabilizing ring 28, the rotating disk 29, the bevel gear ring 30, the polishing disk 31, the connecting plate 32, the second polishing claw 33, the fixed disk 34, the connecting rod 35, the filling block 36, the threaded sleeve 37, the threaded rod 38, and the stabilizing disk 39.
Detailed Description
Referring to fig. 1-13, the present invention provides a technical solution: the pressure vessel weld grinding device comprises a lower support frame 1, wherein an upper support frame 2 is hinged to the surface of the lower support frame 1, a limiting plate 3 is hinged to the surface of the upper support frame 2, a large pressure vessel 1001 is arranged between the upper support frame 2 and the lower support frame 1, a feed pipe 1002 is communicated to the surface of the large pressure vessel 1001, a discharge pipe 1003 is communicated to one end of a cylinder of the large pressure vessel 1001, a plurality of supporting feet 1004 which are arranged at equal angles are fixedly connected to one side surface of the large pressure vessel 1001, a rotating mechanism is arranged between the upper support frame 2 and the lower support frame 1, the rotating mechanism is used for enabling the large pressure vessel 1001 to conveniently rotate, a driving mechanism is arranged on the surface of the rotating mechanism and used for driving the rotating mechanism to rotate, a supporting foot polishing mechanism is arranged on the surface of the lower support frame 1 and is used for polishing a weld joint of the supporting feet 1004 and the large pressure vessel 1001 in the process of rotating the rotating mechanism, the discharge pipe polishing mechanism is arranged on the surface of the support foot 1001 and the feed pipe 1001 in the process of rotating mechanism and the welding joint of the large pressure vessel 1001 in the process of rotating mechanism is arranged;
the rotating mechanism comprises a plurality of arc-shaped groove rails 4, the arc-shaped groove rails 4 are respectively and fixedly connected with the surfaces of the upper support frame 2 and the lower support frame 1, the arc-shaped groove rails 4 on the surface of the upper support frame 2 are arranged opposite to the arc-shaped groove rails 4 on the surface of the lower support frame 1, and a plurality of rolling wheels 5 are rotatably connected to the inner wall surfaces of the arc-shaped groove rails 4;
the driving mechanism comprises a driving motor 6, the driving motor 6 is fixedly connected to the surface of the lower support frame 1, and an output shaft of the driving motor 6 penetrates through the arc-shaped groove rail 4 and is fixedly connected with one of the rolling wheels 5;
the supporting leg polishing mechanism comprises a fixed toothed ring 7, the fixed toothed ring 7 is fixedly connected to the surface of a lower supporting frame 1, a fixed ring 8 is fixedly connected to the surface of the fixed toothed ring 7, an annular groove 9 is formed in the surface of one side, close to a supporting leg 1004, of the fixed ring 8, a plurality of rotating shafts 10 are arranged in the annular groove 9, rotating gears 11 are fixedly connected to the surfaces of the rotating shafts 10, the rotating gears 11 are meshed with the fixed toothed ring 7, a telescopic supporting plate 12 is fixedly connected to the surface of one side, close to the supporting leg 1004, of the rotating gears 11, balls 13 are arranged at the end parts of the supporting plates 12, through grooves 14 are formed in the surface of the supporting plates 12, a first spring 15 is fixedly connected to one side, close to the rotating gears 11, of the inner wall of each through groove 14, polishing plates 16 are arranged in the through grooves 14, the middle position of each polishing plate 16 is bent towards the side away from the rotating gears 11, the first spring 15 is in sliding connection with the polishing plates 16, second springs 17 are fixedly connected to the surface of the polishing plates 16, and the second springs 17 are in sliding connection with the surface of the supporting plates 12;
the material discharging pipe polishing mechanism comprises a fixing frame 18, wherein the fixing frame 18 is fixedly connected to the inner wall surface of the fixing ring 8, a telescopic supporting rod 19 is fixedly connected to the surface of one side, close to the material discharging pipe 1003, of the fixing frame 18, a plurality of first polishing claws 20 which can be elastically telescopic are fixedly connected to the end parts of the supporting rods 19, and the end parts of the first polishing claws 20 are U-shaped;
the feed pipe polishing mechanism comprises a plurality of arc-shaped sliding rails 21, the sliding rails 21 are fixedly connected to the arc-shaped groove rails 4, an arc-shaped rack 22 is fixedly connected to the surface of the sliding rails 21, a sliding block 23 is connected to the sliding rails 21 in a sliding manner, a first rotating rod 24 and a second rotating rod 25 are connected to the sliding block 23 in a rotating manner, the first rotating rod 24 and the second rotating rod 25 penetrate through the sliding block 23, the first rotating rod 24 extends into the sliding rails 21, the second rotating rod 25 extends to the position of the arc-shaped rack 22, a driving gear 26 is fixedly connected to one end of the second rotating rod 25 close to the arc-shaped rack 22, the driving gear 26 is meshed with the arc-shaped rack 22, a bevel gear 27 is fixedly connected to one end of the second rotating rod 25 far away from the arc-shaped rack 22, a stabilizer ring 28 is fixedly connected between the two opposite first rotating rods 24, a rotating disc 29 is connected to the inside of the stabilizer ring 28 in a rotating manner, a bevel gear 30 is fixedly connected to the surface of the rotating disc 29, the bevel gear ring 27 is meshed with the bevel gear ring 30, a 1002 side surface of the rotating disc 29 is fixedly connected to the surface of the rotating disc 31, a plurality of bevel gears 32 are fixedly connected to the surface of the telescopic polishing discs 31, a telescopic end of the rotatable connection plate 32 is fixedly connected to the end of the telescopic connection plate 31 close to the telescopic connection plate 32, and a telescopic end of the telescopic connection plate 33 is fixedly connected to the end of the feed pipe 33;
in the production process of the large pressure vessel 1001, the welded large pressure vessel 1001 needs to be polished, the upper support frame 2 is opened, the large pressure vessel 1001 is moved into the arc-shaped groove rail 4 in the lower support frame 1, the length of the support rod 19 is firstly adjusted, the first polishing claw 20 is moved to the position of the discharge pipe 1003, and then the first polishing claw 20 is pulled to move the polished end of the first polishing claw 20 to the welding position of the discharge pipe 1003 and the large pressure vessel 1001; subsequently, the position of the rotary gear 11 is moved, so that the rotary gear 11 is moved to the position corresponding to the supporting leg 1004, the plurality of supporting plates 12 and the polishing plate 16 are moved to the periphery of the supporting leg 1004, and the position of the polishing plate 16 is adjusted, so that the polishing end of the polishing plate 16 is overlapped with the welding seam position of the supporting leg 1004; then adjusting the position of the stabilizing ring 28, moving the stabilizing ring 28 to the position of the feeding pipe 1002, then pulling the connecting plate 32, and adjusting the position of the second polishing claw 33, moving the fixed disk 34 into the feeding pipe 1002, and enabling the polishing end of the second polishing claw 33 to coincide with the welding seam position of the feeding pipe 1002; then the upper support frame 2 is closed, the upper support frame 2 is fixed by utilizing a limiting rod, then a welding seam grinding device is started, a driving motor 6 drives a pressure container to rotate through a rolling wheel 5, a large pressure container 1001 rotates between arc-shaped groove rails 4, a discharge pipe 1003, a supporting foot 1004 and a feed pipe 1002 rotate together, a first grinding claw 20 keeps stable under the action of a supporting rod 19 and a fixing frame 18, the discharge pipe 1003 rotates, a first grinding claw 20 grinds welding seams of the discharge pipe 1003, rapid grinding of the welding seams of the discharge pipe 1003 is facilitated, and grinding efficiency is improved; in the process of rotating the supporting legs 1004, the supporting legs 1004 rotate around the axis of the large pressure container 1001, the supporting legs 1004 can drive the supporting plates 12 to move together with the rotating gears 11, the rotating gears 11 revolve around the axis of the large pressure container 1001 under the action of the rotating shafts 10 and the annular grooves 9, the rotating gears 11 rotate under the action of the fixed toothed rings 7, the rotating gears 11 rotate to drive the supporting plates 12 to rotate together, the balls 13 roll on the surface of the large pressure container 1001, the supporting plates 12 undulate along with the radian of the surface of the large pressure container 1001, and the polishing plates 16 are attached to the welding seam positions of the supporting legs 1004 under the action of the first springs 15 and the second springs 17, so that irregular welding seams of the supporting legs 1004 can be automatically polished, manual polishing is not needed, manual workload is reduced, and polishing efficiency is improved; in the process that the feeding pipe 1002 rotates around the axis of the large pressure vessel 1001, the feeding pipe 1002 drives the polishing disc 31 through the fixed disc 34, the rotating disc 29 and the stabilizing ring 28 to move together, the stabilizing ring 28 drives the two first rotating rods 24 to move in the sliding rail 21, the first rotating rods 24 move to drive the sliding blocks 23 to move together with the second rotating rods 25, the second rotating rods 25 rotate under the action of the driving gear 26 and the arc-shaped racks 22, the second rotating rods 25 drive the bevel gears 27 to rotate together, the bevel gears 27 act on the bevel gear ring 30 to rotate, the bevel gear ring 30 rotates to drive the rotating disc 29 to rotate together, the rotating disc 29 drives the polishing disc 31, the connecting plate 32 and the second polishing claw 33 to polish the welding seam of the feeding pipe 1002, the irregular welding seam on the surface of the large pressure vessel 1001 is facilitated to polish at one time, the polishing time is shortened, the efficiency of the welding seam is improved, the manual polishing is not required, the manual work intensity is reduced, the limiting plate 3 is opened after the polishing is completed, the upper supporting frame 2 is pulled, the first polishing claw 20, the polishing plate 16 and the second polishing claw 33 are removed from the large pressure vessel 1001, and the large pressure vessel is removed.
In the process of grinding the large pressure vessel 1001, the supporting leg 1004 extrudes the grinding plate 16 in the rotating process, the grinding force of the grinding plate 16 at the position on the supporting leg 1004 is different, and the grinding effect of a welding line is affected; before grinding the large pressure vessel 1001, the filling block 36 needs to be moved into the groove of the supporting leg 1004, then in the grinding process, the supporting leg 1004 rotates to drive the rotating gear 11 to move through the filling block 36, the connecting rod 35 and the rotating shaft 10, the supporting leg 1004 does not squeeze the polishing plate 16, so that the supporting plate 12 and the polishing plate 16 can stably rotate, the polishing of the welding seam of the supporting leg 1004 by the polishing plate 16 is ensured, the filling block 36 can fill the groove of the supporting leg 1004, the polishing plate 16 can continuously rotate for polishing, the polishing plate 16 is prevented from rotating to the groove position of the supporting leg 1004, the polishing plate 16 can move into the groove, and the polishing cannot continuously rotate.
When the large pressure vessel 1001 is moved into the lower support frame 1, the longitudinal position of the pressure vessel is inconvenient to adjust, as a further scheme of the invention, a thread bush 37 is fixedly connected to the surface of one side of the lower support frame 1 close to the large pressure vessel 1001, a threaded rod 38 is connected to the inner thread of the thread bush 37, the threaded rod 38 extends to the outer side of the lower support frame 1 through the lower support frame 1, and a stabilizing disc 39 is rotatably connected to the surface of one end of the threaded rod 38 close to the large pressure vessel 1001; when moving large-scale pressure vessel 1001 to the inside of lower carriage 1, rotate threaded rod 38, threaded rod 38 can remove under the effect of thread bush 37, and threaded rod 38 can drive stabilizer 39 and remove together, and stabilizer 39 can act on large-scale pressure vessel 1001 and remove together, is favorable to adjusting large-scale pressure vessel 1001's longitudinal position, avoids manual adjustment, causes harm to human safety to stabilizer 39 can keep large-scale pressure vessel 1001's stability at large-scale pressure vessel 1001 pivoted in-process, guarantees the grinding effect.
A grinding method for welding seams of a pressure container comprises the following specific steps:
step one: when grinding the large pressure vessel 1001, the upper support frame 2 needs to be opened, and then the large pressure vessel 1001 is put into the rotating mechanism of the lower support frame;
step two: then a supporting leg polishing mechanism is arranged on the supporting leg 1004, a discharging pipe polishing mechanism is arranged on the discharging pipe 1003, a feeding pipe polishing mechanism is arranged on the feeding pipe 1002, and the upper supporting frame 2 is closed after the installation is completed;
step three: then the weld grinding device is started, and the driving mechanism drives the rotating mechanism to drive the large pressure vessel 1001 to rotate;
step four: the supporting leg polishing mechanism polishes the welding line of the supporting leg 1004, the discharging pipe polishing mechanism polishes the welding line of the discharging pipe 1003, the feeding pipe polishing mechanism polishes the welding line of the feeding pipe 1002, and a plurality of polishing mechanisms polish simultaneously;
step five: after polishing, the upper support frame 2 is opened, the support leg polishing mechanism, the discharge pipe polishing mechanism and the feed pipe polishing mechanism are opened, and the polished large pressure vessel 1001 is taken down.
Claims (9)
1. The utility model provides a pressure vessel welding seam grinding device, includes lower carriage (1), its characterized in that: the surface of the lower support frame (1) is hinged with an upper support frame (2), the surface of the upper support frame (2) is hinged with a limiting plate (3), a large pressure container (1001) is arranged between the upper support frame (2) and the lower support frame (1), a feeding pipe (1002) is communicated with the surface of the large pressure container (1001), a discharging pipe (1003) is communicated with one end of a cylinder of the large pressure container (1001), a plurality of supporting feet (1004) which are arranged at equal angles are fixedly connected with the surface of one side of the large pressure container (1001) close to the discharging pipe (1003), a rotating mechanism is arranged between the upper support frame (2) and the lower support frame (1), the rotating mechanism is used for enabling the large pressure container (1001) to rotate conveniently, the surface of the rotating mechanism is provided with a driving mechanism which is used for driving the rotating mechanism to rotate, the surface of the lower supporting frame (1) is provided with a supporting leg polishing mechanism which is used for polishing a welding line at the welding position of the supporting leg (1004) and the large pressure vessel (1001) in the rotating process of the rotating mechanism acting on the large pressure vessel (1001), the surface of the supporting leg polishing mechanism is provided with a material discharging pipe polishing mechanism which is used for polishing a welding line at the welding position of the material discharging pipe (1003) and the large pressure vessel (1001) in the rotating process of the rotating mechanism acting on the large pressure vessel (1001), the surface of the rotating mechanism is provided with a feeding pipe polishing mechanism, and the feeding pipe polishing mechanism is used for polishing a welding line at a welding position of the feeding pipe (1002) and the large pressure vessel (1001) in the rotating process of the rotating mechanism acting on the large pressure vessel (1001).
2. The pressure vessel weld grinding apparatus as defined in claim 1, wherein: the rotating mechanism comprises a plurality of arc groove rails (4), the arc groove rails (4) are respectively and fixedly connected with the surfaces of the upper support frame (2) and the lower support frame (1), the arc groove rails (4) on the surfaces of the upper support frame (2) and the arc groove rails (4) on the surfaces of the lower support frame (1) are oppositely arranged, and a plurality of rolling wheels (5) are rotationally connected on the inner wall surfaces of the arc groove rails (4).
3. A pressure vessel weld grinding apparatus as defined in claim 2, wherein: the driving mechanism comprises a driving motor (6), the driving motor (6) is fixedly connected to the surface of the lower supporting frame (1), and an output shaft of the driving motor (6) penetrates through the arc-shaped groove rail (4) and is fixedly connected with one of the rolling wheels (5).
4. A pressure vessel weld grinding apparatus as defined in claim 2, wherein: the feed pipe polishing mechanism comprises a plurality of arc-shaped sliding rails (21), the sliding rails (21) are fixedly connected to the arc-shaped groove rails (4), arc racks (22) are fixedly connected to the surfaces of the sliding rails (21), sliding blocks (23) are slidably connected to the sliding rails (21), first rotating rods (24) and second rotating rods (25) are rotatably connected to the sliding blocks (23), the first rotating rods (24) and the second rotating rods (25) penetrate through the sliding blocks (23), the first rotating rods (24) extend into the sliding rails (21), the second rotating rods (25) extend to the positions of the arc racks (22), one ends of the second rotating rods (25) close to the arc racks (22) are fixedly connected with driving gears (26), the driving gears (26) are meshed with the arc racks (22), one ends of the second rotating rods (25) far away from the arc racks (22) are fixedly connected with bevel gears (27), two opposite bevel gears (24) are fixedly connected with one end of each other, a common bevel gear ring (28) is connected with one bevel gear (30), the inner bevel gear (30) is rotatably connected with one bevel gear (28), and the inner bevel gear (30) is fixedly meshed with one bevel gear (30), the rotary disc (29) is close to a telescopic polishing disc (31) fixedly connected with one side surface of the feeding pipe (1002), a plurality of telescopic connecting plates (32) are fixedly connected with the surface of the polishing disc (31), a plurality of telescopic second polishing claws (33) are fixedly connected with the end parts of the connecting plates (32), and a fixed disc (34) is rotationally connected with one side surface of the polishing disc (31) close to the feeding pipe (1002).
5. The pressure vessel weld grinding apparatus as defined in claim 1, wherein: the supporting leg polishing mechanism comprises a fixed toothed ring (7), the fixed toothed ring (7) is fixedly connected with the surface of the lower supporting frame (1), a fixed ring (8) is fixedly connected with the surface of the fixed toothed ring (7), an annular groove (9) is formed in the surface of one side of the fixed ring (8) close to the supporting leg (1004), a plurality of rotating shafts (10) are arranged in the annular groove (9), a plurality of rotating gears (11) are fixedly connected with the surfaces of the rotating shafts (10), the rotating gears (11) are meshed with the fixed toothed ring (7), a telescopic supporting plate (12) is fixedly connected with the surface of one side of the rotating gears (11) close to the supporting leg (1004), a ball (13) is arranged at the end part of the supporting plate (12), a through groove (14) is formed in the surface of the supporting plate (12), a first spring (15) is fixedly connected with one side of the inner wall of the through groove (14), a polishing plate (16) is arranged in the through groove (14), the middle position of the polishing plate (16) is far away from the rotating gears (11), the first spring (15) is connected with the first spring (16) in a sliding mode, the first spring (16) is fixedly connected with the surface of the polishing plate (17), the second spring (17) is connected with the surface of the supporting plate (12) in a sliding way.
6. The pressure vessel weld grinding apparatus as defined in claim 5, wherein: the material discharging pipe polishing mechanism comprises a fixing frame (18), the fixing frame (18) is fixedly connected with the inner wall surface of the fixing ring (8), a telescopic supporting rod (19) is fixedly connected with one side surface of the fixing frame (18) close to the material discharging pipe (1003), a plurality of elastically telescopic first polishing claws (20) are fixedly connected with the end parts of the supporting rod (19), and the end parts of the first polishing claws (20) are U-shaped.
7. The pressure vessel weld grinding apparatus as defined in claim 5, wherein: the rotary shaft (10) is close to one end of the supporting leg (1004) and is rotationally connected with a telescopic connecting rod (35), the end part of the connecting rod (35) is fixedly connected with a filling block (36), and the shape of the filling block (36) is the same as the shape of a groove of the supporting leg (1004).
8. The pressure vessel weld grinding apparatus as defined in claim 1, wherein: the utility model discloses a large-scale pressure vessel, including lower carriage (1), large-scale pressure vessel (1001), screw sleeve (37) are connected with to lower carriage (1) one side surface fixed, screw sleeve (37) inside threaded connection has threaded rod (38), threaded rod (38) run through lower carriage (1) and extend to lower carriage (1) outside, threaded rod (38) are connected with stabilizer plate (39) near large-scale pressure vessel (1001) one end surface rotation.
9. A pressure vessel weld grinding method, suitable for a pressure vessel weld grinding device as defined in any one of claims 1-8, characterized in that: the method comprises the following specific steps:
step one: when grinding the large pressure vessel (1001), the upper support frame (2) needs to be opened, and then the large pressure vessel (1001) is put into the rotating mechanism of the lower support frame (1);
step two: then, a supporting leg polishing mechanism is arranged on the supporting leg (1004), a discharging pipe polishing mechanism is arranged on the discharging pipe (1003), a feeding pipe polishing mechanism is arranged on the feeding pipe (1002), and the upper supporting frame (2) is closed after the installation is completed;
step three: then starting the welding seam grinding device, wherein the driving mechanism drives the rotating mechanism to drive the large pressure vessel (1001) to rotate;
step four: the supporting leg polishing mechanism polishes the welding line of the supporting leg (1004), the discharging pipe polishing mechanism polishes the welding line of the discharging pipe (1003), the feeding pipe polishing mechanism polishes the welding line of the feeding pipe (1002), and a plurality of polishing mechanisms polish simultaneously;
step five: after polishing, the upper supporting frame (2) is opened, the supporting leg polishing mechanism, the discharging pipe polishing mechanism and the feeding pipe polishing mechanism are opened, and the polished large pressure vessel (1001) is taken down.
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| CN202310428503.8A CN116117624B (en) | 2023-04-20 | 2023-04-20 | Pressure vessel weld grinding device and method |
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| CN202310428503.8A CN116117624B (en) | 2023-04-20 | 2023-04-20 | Pressure vessel weld grinding device and method |
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| CN112935984A (en) * | 2021-03-10 | 2021-06-11 | 常天辰 | Chemical pressure container surface treatment device and method |
| CN216152031U (en) * | 2021-09-07 | 2022-04-01 | 湖北容涛化工设备有限公司 | Surface rust removal device for pressure vessel processing |
| CN217966203U (en) * | 2022-07-30 | 2022-12-06 | 株洲华捷制造有限责任公司 | Automatic polishing and wire drawing device of surface treatment for large-scale tank body |
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2023
- 2023-04-20 CN CN202310428503.8A patent/CN116117624B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5343584A (en) * | 1993-04-30 | 1994-09-06 | Combustion Engineering, Inc. | Nuclear reactor pressure vessel and head flange polisher |
| CN206373752U (en) * | 2017-01-11 | 2017-08-04 | 莫治兵 | A kind of pressure vessel grinding type becomes rusty clearly device |
| CN108356685A (en) * | 2018-04-20 | 2018-08-03 | 象山通大机械制造有限公司 | A kind of surface polishing system and its polishing method |
| CN110883611A (en) * | 2019-12-06 | 2020-03-17 | 台州弘锐精密机械有限公司 | Surface finish machining process for formed chemical pressure container |
| CN212218021U (en) * | 2020-05-15 | 2020-12-25 | 天津市腾丰钢管有限公司 | Straight welded pipe welding seam grinding device |
| CN112935984A (en) * | 2021-03-10 | 2021-06-11 | 常天辰 | Chemical pressure container surface treatment device and method |
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| CN216152031U (en) * | 2021-09-07 | 2022-04-01 | 湖北容涛化工设备有限公司 | Surface rust removal device for pressure vessel processing |
| CN217966203U (en) * | 2022-07-30 | 2022-12-06 | 株洲华捷制造有限责任公司 | Automatic polishing and wire drawing device of surface treatment for large-scale tank body |
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|---|---|
| CN116117624B (en) | 2023-06-20 |
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