CN110883657B - Polishing device for nodular cast iron jacking pipe and using method thereof - Google Patents
Polishing device for nodular cast iron jacking pipe and using method thereof Download PDFInfo
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- CN110883657B CN110883657B CN201911191960.XA CN201911191960A CN110883657B CN 110883657 B CN110883657 B CN 110883657B CN 201911191960 A CN201911191960 A CN 201911191960A CN 110883657 B CN110883657 B CN 110883657B
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- 238000005498 polishing Methods 0.000 title claims abstract description 178
- 229910001141 Ductile iron Inorganic materials 0.000 title claims abstract description 149
- 238000007599 discharging Methods 0.000 claims abstract description 61
- 239000000463 material Substances 0.000 claims abstract description 42
- 238000000227 grinding Methods 0.000 claims description 60
- 239000000428 dust Substances 0.000 claims description 31
- 230000005540 biological transmission Effects 0.000 claims description 19
- 239000007921 spray Substances 0.000 claims description 10
- 230000003014 reinforcing Effects 0.000 claims description 7
- 229910001018 Cast iron Inorganic materials 0.000 claims description 6
- 230000000875 corresponding Effects 0.000 claims description 4
- 230000004720 fertilization Effects 0.000 claims description 3
- 238000000498 ball milling Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 238000003754 machining Methods 0.000 claims 1
- 238000007517 polishing process Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000001680 brushing Effects 0.000 description 3
- 239000011362 coarse particle Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000903 blocking Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/02—Machines or devices using grinding or polishing belts; Accessories therefor for grinding rotationally symmetrical surfaces
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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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/008—Machines comprising two or more tools or having several working posts
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
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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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
- B24B5/363—Single-purpose machines or devices for grinding surfaces of revolution in situ
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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
- B24B55/06—Dust extraction equipment on grinding or polishing machines
Abstract
The invention discloses a polishing device for a nodular cast iron jacking pipe and a use method thereof, wherein the polishing device comprises a conveying device and a processing platform, the conveying device is arranged on one side of the processing platform, a primary polishing device, a material transfer device, a fine polishing device and a discharging device are arranged on the processing platform, and the conveying device is used for conveying the nodular cast iron jacking pipe to the processing platform for processing; the polishing process of the device is continuously carried out, the polishing process does not need to be suspended, and the clamping and fixing position of the fixing device for the nodular cast iron top pipe is changed, so that the production efficiency is obviously improved.
Description
Technical Field
The invention belongs to the technical field of cast iron processing, and particularly relates to a polishing device for a nodular cast iron jacking pipe and a using method of the polishing device.
Background
Along with the rapid progress of urbanization construction, underground pipelines are laid in large quantities, wherein the nodular cast iron jacking pipe is a pipeline mainly used for conveying tap water, is prepared by welding a pushing flange on a socket of a common nodular cast iron pipe and then coating concrete outside the common nodular cast iron pipe, and is mainly used for jacking pipe construction.
After the nodular cast iron push pipe is fixed and formed, the surface is rough, operations such as putty applying, paint brushing and the like in subsequent processes are not facilitated, and therefore the surface of the nodular cast iron push pipe is required to be polished to be smooth.
Disclosure of Invention
The invention aims to provide a polishing device for a nodular cast iron jacking pipe and a using method thereof.
The technical problems to be solved by the invention are as follows:
1. in the prior art, when the surface of the cast iron jacking pipe is polished, the position of the cast iron jacking pipe needs to be fixed, but when the corresponding position of the surface of the cast iron jacking pipe is polished, the fixed position needs to be replaced so as to prevent the fixed clamping position from not being polished, thereby greatly reducing the polishing efficiency of the cast iron jacking pipe.
2. In the prior art, because the surface of the nodular cast iron jacking pipe is a concrete layer, a large amount of dust pollution can be generated during polishing, and particularly small-particle light dust in the nodular cast iron jacking pipe is easy to float along with air, so that the production space is polluted.
The purpose of the invention can be realized by the following technical scheme:
a polishing device for a nodular cast iron jacking pipe comprises a conveying device and a processing platform, wherein the conveying device is arranged on one side of the processing platform, a primary polishing device, a material transfer device, a fine polishing device and a discharging device are arranged on the processing platform, the conveying device is used for conveying the nodular cast iron jacking pipe to the processing platform for processing, the material transfer device is used for transferring materials on the conveying device to the primary polishing device and transferring the materials on the primary polishing device to the fine polishing device, and the discharging device is used for transferring the polished nodular cast iron jacking pipe away from the processing platform;
the primary grinding device comprises a driving support frame, a driven support frame and a grinding frame, wherein the driving support frame and the driven support frame are fixedly arranged on a processing platform, a first grinding motor is fixedly arranged on the driving support frame and drives two driving wheels to rotate in different directions, the minimum distance between the two driving wheels is smaller than the outer diameter of a processed nodular cast iron jacking pipe, two driven wheels are rotatably arranged on the driven support frame, the minimum distance between the two driven wheels is smaller than the outer diameter of the processed nodular cast iron jacking pipe, the nodular cast iron jacking pipe to be processed is supported by the driving support frame and the driven support frame, the grinding frame is slidably arranged on the processing platform and driven by an air cylinder to move along the axial direction of the nodular cast iron jacking pipe to be processed, an air cylinder is arranged in the grinding frame, and an air cylinder shaft of the air cylinder is vertically arranged and hinged with a second grinding motor, the shaft extension end of the second grinding motor is connected with a grinding wheel;
the fine polishing device comprises a polishing frame and a polishing support table, wherein the polishing frame is arranged on a processing platform in a sliding mode, a polishing frame fertilization polishing air cylinder is driven to axially translate along a nodular cast iron pipe on the processing platform, a rotating motor is fixedly arranged on the polishing frame, the shaft extending end of the rotating motor is connected with a fixing device, the polishing support table is provided with the nodular cast iron pipe to be subjected to fine polishing, a dustproof polishing ring is arranged on one side, back to back, of the polishing support table and the polishing frame, a dust discharging port is formed in the processing platform corresponding to the lower portion of the dustproof polishing ring, and the dust discharging port is connected with the dust discharging processing platform through a dust discharging pipeline.
As a further scheme of the invention, the conveying device comprises an erection platform, a conveying motor is fixedly arranged on the erection platform and drives a conveying belt to move through a roller shaft, a plurality of baffle plates which are arranged in parallel are arranged on the surface of the conveying belt, the baffle plates are vertical to the conveying direction of the conveying belt, the distance between every two adjacent baffle plates is larger than the outer diameter of the processed nodular cast iron jacking pipe, and a material receiving platform is arranged at the discharging end of the conveying belt.
According to a further scheme of the invention, the material transfer device comprises a support frame, two connecting blocks are fixedly arranged on one surface of the support frame, a limiting slide rod is fixedly connected between the two connecting blocks, a slide block is arranged on the limiting slide rod in a sliding mode and connected with a cylinder shaft of a transfer transmission cylinder, the transfer transmission cylinder drives the slide block to reciprocate axially along the limiting slide rod, the slide block is connected with a transmission slide block in a sliding mode, the relative sliding direction between the transmission slide block and the slide block is perpendicular to the limiting slide rod, the transmission slide block reciprocates in the vertical direction under the action of an air cylinder, the transmission slide block is connected with a material conveying rod, the material conveying rod is arranged in parallel to the limiting slide rod, and two ends of the.
As a further scheme of the invention, the dustproof polishing ring comprises a hard outer ring, annular brushes are arranged at openings at two ends of the hard outer ring, the inner diameter of each brush is smaller than or equal to the minimum outer diameter of a processed nodular cast iron top pipe, two polishing belt through holes are formed in the outer wall of the hard outer ring, a guide roller is rotatably mounted on the outer wall of the hard outer ring through a bearing mounting seat and is arranged on one side of each polishing belt through hole, a fine polishing motor is fixedly arranged on the processing platform and drives a polishing belt to move, and part of the polishing belt enters the dustproof polishing ring through the polishing belt through holes to polish the nodular cast iron top pipe entering the dustproof polishing ring.
As a further scheme of the invention, the fixing device comprises a fixing cylinder, a reinforcing layer is coated on the circumference of the fixing cylinder, the cylinder shaft of the fixing cylinder is fixedly connected with the center of the conducting disc, the cylinder shaft of the fixing cylinder is perpendicular to the plane of the conducting disc, a plurality of U-shaped openings distributed in an annular array are formed in the circumference of the conducting disc, the conducting disc is hinged with one end of a connecting rod through the U-shaped openings, a rubber layer is coated on the other end of the connecting rod, any part between the two ends of the connecting rod is hinged with one end of a supporting rod, and the other end of the supporting rod is fixedly arranged on the reinforcing layer.
As a further scheme of the invention, the discharging device comprises a discharging rack, and an air pressurizing pump and a discharging ring which are fixedly arranged on the discharging rack, compressed air is sprayed out by the air pressurizing pump through a spray head, and the spray head is arranged above the position between the discharging end of the dustproof grinding ring and the feeding end of the discharging ring.
As a further scheme of the invention, the discharging ring comprises a discharging cylinder, a plurality of rows of through holes arranged in parallel are arranged on the wall surface of the discharging cylinder, rollers are rotatably arranged through the through holes, a roller platform is arranged at the bottom of the discharging ring, a conveying belt is arranged on the roller platform and is driven by a motor to move, the conveying belt is in contact with at least one row of rollers on the discharging cylinder, and the rollers are driven to rotate through the movement of the conveying belt so as to drive the nodular cast iron jacking pipe to translate in the discharging cylinder.
The method for polishing the nodular cast iron jacking pipe by the polishing device comprises the following steps:
transferring the nodular cast iron jacking pipe on the material receiving table to a driving support frame and a driven support frame through a material transfer device, driving the nodular cast iron jacking pipe to rotate through a first polishing motor, driving a polishing wheel to polish the surface of the nodular cast iron jacking pipe through a second polishing motor, driving the polishing frame to translate through an air cylinder, and accordingly roughly polishing the surface of the nodular cast iron jacking pipe;
after the nodular cast iron jacking pipe is roughly ground, transferring the nodular cast iron jacking pipe after being roughly ground onto a grinding support table through a manipulator of the material transfer device;
the section of the connecting rod provided with the rubber layer extends into the nodular cast iron jacking pipe, then the connecting rod is driven by extending the cylinder shaft of the fixed cylinder, so that the angle between the connecting rod and the cylinder shaft is enlarged, the rubber layer is in close contact with the inner wall of the nodular cast iron jacking pipe, the fixing device is fixedly connected with the nodular cast iron jacking pipe, and then the nodular cast iron jacking pipe is driven to rotate at a preset rotating speed by a rotating motor;
opening the fine polishing cylinder, pushing the nodular cast iron jacking pipe on the polishing supporting table into the dustproof polishing ring, after the nodular cast iron jacking pipe part enters the dustproof polishing ring, opening a fine polishing motor, driving a polishing belt by the fine polishing motor to polish the surface of the nodular cast iron jacking pipe, discharging the polished part from the dustproof polishing ring, blowing by high-pressure air sprayed by a spray head, removing dust on the surface of the nodular cast iron jacking pipe, and after finishing ash removal, leading the polished part on the surface of the nodular cast iron jacking pipe to enter the discharge ring and discharging a processing platform from the discharge ring.
The invention has the beneficial effects that:
1. the invention is provided with a primary polishing device and a fine polishing device, wherein the primary polishing device is used for dropping coarse particles on a concrete layer on the surface of a nodular cast iron jacking pipe, then the nodular cast iron jacking pipe is transferred to the fine polishing device, the nodular cast iron jacking pipe is polished for the second time by a polishing belt, and in the polishing process, the polishing device is used for performing coarse polishing on one nodular cast iron jacking pipe and performing fine polishing on the other nodular cast iron jacking pipe, so that the polishing efficiency is not influenced, the polishing is performed twice, the polishing effect and the effective service life of the polishing belt can be improved, and dust in the fine polishing process which mainly generates fine dust is recycled by a dustproof polishing ring; in the process of polishing, fix nodular cast iron push pipe through fixing device, can not contact the outer wall of nodular cast iron push pipe during fixed, consequently, do not influence the continuous polishing of dustproof polishing ring to nodular cast iron push pipe, it is specific, stretch into the inside of nodular cast iron push pipe with one section that the connecting rod is provided with the rubber layer, then cylinder shaft extension and then the drive connecting rod through fixed cylinder, make the angle grow between connecting rod and the cylinder shaft, and then make the inner wall of rubber layer and nodular cast iron push pipe through in close contact with, thereby make fixing device and nodular cast iron push pipe realize fixed connection, then rotate with predetermineeing the rotational speed through rotating motor drive nodular cast iron push pipe, this polishing process goes on in succession, do not need the pause process of polishing, change the centre gripping fixed position of fixing device to nodular cast iron push pipe.
2. The invention divides the whole polishing process into coarse polishing and fine polishing when polishing the nodular cast iron jacking pipe, wherein the coarse polishing mainly removes coarse particles in a concrete layer, the fine polishing is to further polish the nodular cast iron jacking pipe on the basis of the coarse polishing, and a large amount of fine dust is generated in the fine polishing process, in particular, the invention carries out fine polishing on the nodular cast iron jacking pipe through a dustproof polishing ring, when the part of the nodular cast iron jacking pipe enters the dustproof polishing ring, the nodular cast iron jacking pipe is polished through a polishing belt, and the fine dust generated by polishing is gathered in a hard outer ring and is discharged along a through hole of the polishing belt opened on the hard outer ring, meanwhile, annular brushes arranged on two sides of the hard outer ring play a role in brushing off the dust generated by polishing the surface of the nodular cast iron jacking pipe on one hand, and play a role in blocking the dust on the other hand, the dust generated by polishing the surface of the nodular cast iron jacking pipe is prevented from being discharged from two ends of the nodular cast iron jacking pipe in a large quantity to pollute the working environment.
Drawings
The invention is described in further detail below with reference to the figures and specific embodiments.
FIG. 1 is a schematic view of a polishing device according to the present invention;
FIG. 2 is a schematic structural view of a transfer device;
FIG. 3 is a schematic structural view of the primary polishing apparatus;
FIG. 4 is a schematic structural diagram of a material transfer device;
FIG. 5 is a schematic structural view of a fine polishing device and a discharging device;
FIG. 6 is a schematic structural view of a dust ring;
FIG. 7 is a schematic structural view of a discharge ring;
fig. 8 is a schematic structural view of the fixing device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A polishing device for a nodular cast iron jacking pipe comprises a conveying device 1 and a processing platform 2, wherein the conveying device 1 is arranged on one side of the processing platform 2, and a primary polishing device 3, a material transfer device 4, a fine polishing device 5 and a discharging device 6 are arranged on the processing platform 2;
as shown in fig. 2, the conveying device 1 includes an erection platform 11, a conveying motor 12 is fixedly arranged on the erection platform 11, the conveying motor 12 drives a conveying belt 13 to move through a roller shaft, a plurality of baffles 14 arranged in parallel are arranged on the surface of the conveying belt 13, the baffles 14 are perpendicular to the conveying direction of the conveying belt 13, the distance between adjacent baffles 14 is greater than the outer diameter of the processed nodular cast iron jacking pipe, a material receiving platform 15 is arranged at the discharging end of the conveying belt 13, and the conveying device 1 is arranged to sequentially convey the nodular cast iron jacking pipe to the processing platform 2 for processing;
as shown in fig. 3, the primary polishing device 3 includes a driving support frame 35, a driven support frame 34 and a polishing frame 31, the driving support frame 35 and the driven support frame 34 are both fixedly disposed on the processing platform 2, a first polishing motor 36 is fixedly disposed on the driving support frame 35, the first polishing motor 36 drives two driving wheels 37 to rotate through a gear transmission structure, a minimum distance between the two driving wheels 37 is smaller than an outer diameter of the processed nodular cast iron top pipe, two driven wheels 38 are rotatably disposed on the driven support frame 34, a minimum distance between the two driven wheels 38 is smaller than the outer diameter of the processed nodular cast iron top pipe, the nodular cast iron top pipe to be processed is supported by the driving support frame 35 and the driven support frame 34 and rotates, the polishing frame 31 is slidably disposed on the processing platform 2 and moves along an axial direction of the nodular cast iron top pipe through a cylinder drive, an air cylinder is arranged in the polishing frame 31, an air cylinder shaft of the air cylinder is vertically arranged and hinged with a second polishing motor 32, and a shaft extension end of the second polishing motor 32 is connected with a polishing wheel 33;
during operation, firstly, the nodular cast iron jacking pipe on the material receiving platform 15 is transferred to the driving support frame 35 and the driven support frame 34 through the material transfer device 4, the nodular cast iron jacking pipe is driven to rotate through the first grinding motor 36, meanwhile, the second grinding motor 32 drives the grinding wheel 33 to grind the surface of the nodular cast iron jacking pipe, and meanwhile, the air cylinder drives the grinding frame 31 to translate, so that the surface of the nodular cast iron jacking pipe is roughly ground;
as shown in fig. 4, the material transferring device 4 includes a supporting frame 41, two connecting blocks 42 are fixedly disposed on one side of the supporting frame 41, a limit slide bar 43 is fixedly connected between the two connecting blocks 42, a slide block 44 is slidably disposed on the limit slide bar 43, the slide block 44 is connected with a cylinder shaft of a transfer transmission cylinder 46, the slide block 44 is driven by the transfer transmission cylinder 46 to reciprocate axially along the limit slide bar 43, the slide block 44 is slidably connected with a transmission slide block 45, a relative sliding direction between the transmission slide block 45 and the slide block 44 is perpendicular to the limit slide bar 43, the transmission slide block 45 reciprocates in a vertical direction under the action of the cylinder, the transmission slide block 45 is connected with a material conveying rod 47, the material conveying rod 47 is disposed parallel to the limit slide bar 43, two ends of the material conveying rod 47 are both provided with a manipulator 48, and the material on the material receiving table 15 can be transferred, transferring the material on the primary polishing device 3 to a fine polishing device 5;
as shown in fig. 5, the fine polishing device 5 includes a polishing frame 51 and a polishing support table 56, the polishing frame 51 is slidably disposed on the processing platform 2, the polishing frame 51 is driven by a fertilization polishing cylinder 52 to move on the processing platform 2 along the axial direction of the nodular cast iron jacking pipe, a rotating motor 53 is fixedly disposed on the polishing frame 51, a fixing device 54 is connected to the shaft extension end of the rotating motor 53, the nodular cast iron jacking pipe to be subjected to fine polishing is disposed on the polishing support table 56, a dustproof polishing ring 55 is disposed on one side of the polishing support table 56 opposite to the polishing frame 51, a dust discharge port 21 is disposed on the processing platform 2 corresponding to the lower side of the dustproof polishing ring 55, and the dust discharge port 21 discharges collected dust out of the processing platform 2 through a dust discharge pipeline 22;
as shown in fig. 8, the fixing device 54 includes a fixed cylinder 541, a reinforcing layer 542 coated on the fixed cylinder 541 in the circumferential direction, the reinforcing layer 542 is made of a high-strength material such as an aluminum alloy, the cylinder axis of the fixed cylinder 541 is fixedly connected to the center of a conducting disc 543, the cylinder axis of the fixed cylinder 541 is perpendicular to the plane of the conducting disc 543, a plurality of U-shaped openings distributed in an annular array are formed on the conducting disc 543 in the circumferential direction, the conducting disc 543 is hinged to one end of a connecting rod 545 through the U-shaped openings, a rubber layer 546 is coated on the other end of the connecting rod 545 to prevent local damage of nodular cast iron due to excessive local pressure, any part between the two ends of the connecting rod 545 is hinged to one end of a supporting rod 544, and the other end of the supporting rod 544 is fixedly disposed on the reinforcing layer;
when the fixing device works, one section of the connecting rod 545, which is provided with the rubber layer 546, extends into the nodular cast iron top pipe, and then the connecting rod 545 is driven by the extension of the cylinder shaft of the fixing cylinder 541, so that the angle between the adjacent connecting rods 545 is increased, the angle between the connecting rod 545 and the cylinder shaft is increased, the rubber layer 546 is contacted with the inner wall of the nodular cast iron top pipe at a certain pressure, and the fixing device 54 is fixedly connected with the nodular cast iron top pipe;
as shown in fig. 6, the dustproof polishing ring 55 comprises a hard outer ring 551, annular brushes 552 are arranged at openings at two ends of the hard outer ring 551, the inner diameter of each brush 552 is less than or equal to the minimum outer diameter of a processed nodular cast iron top pipe, two polishing belt through holes 553 are formed in the outer wall of the hard outer ring 551, a guide roller 555 is further rotatably mounted on the outer wall of the hard outer ring 551 through a bearing mounting seat 554, the guide roller 555 is arranged at one side of each polishing belt through hole 553, a fine polishing motor 57 is fixedly arranged on the processing platform 2, the fine polishing motor drives the polishing belts to move, and a part of the polishing belts enters the dustproof polishing ring 55 through the polishing belt through holes 553 to polish the nodular cast iron top pipes entering the dustproof polishing ring 55;
during operation, the nodular cast iron jacking pipe is transmitted from the polishing support table 56 to the dustproof polishing ring, the rotating motor 53 drives the nodular cast iron jacking pipe and the polishing belt to rotate in opposite directions, so that the nodular cast iron jacking pipe is polished, and the polished part of the nodular cast iron jacking pipe is pushed by the fine polishing cylinder 52 to enter the discharging ring 64 of the discharging device 6 first;
the invention divides the whole polishing process into coarse polishing and fine polishing when polishing the nodular cast iron jacking pipe, wherein the coarse polishing mainly removes coarse particles in a concrete layer, the fine polishing is to further polish the nodular cast iron jacking pipe on the basis of the coarse polishing, and a large amount of fine dust is generated in the fine polishing process, in particular, the invention carries out fine polishing on the nodular cast iron jacking pipe through a dustproof polishing ring, when the part of the nodular cast iron jacking pipe enters the dustproof polishing ring, the nodular cast iron jacking pipe is polished through a polishing belt, and the fine dust generated by polishing is gathered in a hard outer ring and is discharged along a through hole of the polishing belt opened on the hard outer ring, meanwhile, annular brushes arranged on two sides of the hard outer ring play a role in brushing off the dust generated by polishing the surface of the nodular cast iron jacking pipe on one hand, and play a role in blocking the dust on the other hand, the function of preventing dust generated by polishing the surface of the nodular cast iron jacking pipe from being discharged from two ends of the nodular cast iron jacking pipe in large quantity to pollute the working environment is achieved;
the discharging device 6 comprises a discharging rack 61, and an air pressurizing pump 62 and a discharging ring 64 which are fixedly arranged on the discharging rack 61, wherein the air pressurizing pump 62 sprays compressed air through a spray head 63, and the spray head 63 is arranged above a position between the discharging end of the dustproof grinding ring 55 and the feeding end of the discharging ring 64 and is used for removing fine ash remained on the surface of the nodular cast iron jacking pipe after the fine grinding from the surface of the nodular cast iron jacking pipe;
as shown in fig. 7, the discharging ring 64 includes a discharging cylinder 641, a plurality of rows of through holes are arranged in parallel on a wall surface of the discharging cylinder 641, rollers 642 are rotatably arranged through the through holes, a roller platform 651 is arranged at a bottom of the discharging ring 64, a conveyor belt 652 is arranged on the roller platform 651, the conveyor belt 652 is driven by a motor to move, the conveyor belt 652 is in contact with at least one row of rollers 642 on the discharging cylinder 641, and then the conveyor belt 652 moves to drive the rollers 642 to rotate, so as to drive the nodular cast iron jacking pipe to translate in the discharging cylinder 641, and thus the polished discharging cylinder 641 is transferred.
The method for polishing the nodular cast iron jacking pipe by the polishing device comprises the following steps:
transferring the nodular cast iron jacking pipe on the material receiving platform 15 to a driving support frame 35 and a driven support frame 34 through a material transfer device 4, driving the nodular cast iron jacking pipe to rotate through a first grinding motor 36, simultaneously driving a grinding wheel 33 to grind the surface of the nodular cast iron jacking pipe through a second grinding motor 32, and driving a grinding frame 31 to translate through a cylinder, thereby realizing the rough grinding of the surface of the nodular cast iron jacking pipe;
after the nodular cast iron jacking pipe is roughly ground, transferring the nodular cast iron jacking pipe after rough grinding to a grinding support table 56 through a manipulator 48 of the material transfer device 4;
the section of the connecting rod 545 provided with the rubber layer 546 extends into the nodular cast iron push pipe, then the connecting rod 545 is driven by the extension of the cylinder shaft of the fixed cylinder 541, so that the angle between the connecting rod 545 and the cylinder shaft is enlarged, the rubber layer 546 is contacted with the inner wall of the nodular cast iron push pipe at a certain pressure, the fixing device 54 is fixedly connected with the nodular cast iron push pipe, and then the nodular cast iron push pipe is driven to rotate at a preset rotating speed by the rotating motor 53;
the fine polishing cylinder 52 is started, the nodular cast iron jacking pipe on the polishing support table 56 is pushed into the dustproof polishing ring 55, after the nodular cast iron jacking pipe part enters the dustproof polishing ring 55, the fine polishing motor 57 is started, the fine polishing motor 57 drives the polishing belt to polish the surface of the nodular cast iron jacking pipe, the polished part is blown by high-pressure air sprayed from the spray head 63 after being discharged from the dustproof polishing ring 55, dust on the surface of the nodular cast iron jacking pipe is removed, after dust removal is completed, the polished part on the surface of the nodular cast iron jacking pipe firstly enters the discharging ring 64, and is discharged out of the processing platform 2 from the discharging ring 64.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (8)
1. A polishing device for a nodular cast iron jacking pipe comprises a conveying device (1) and a processing platform (2), wherein the conveying device (1) is arranged on one side of the processing platform (2), and is characterized in that a primary polishing device (3), a material transfer device (4), a fine polishing device (5) and a discharging device (6) are arranged on the processing platform (2), the conveying device (1) is used for conveying the nodular cast iron jacking pipe to the processing platform (2) for processing, the material transfer device (4) is used for transferring materials on the conveying device (1) to the primary polishing device (3) and transferring the materials on the primary polishing device (3) to the fine polishing device (5), and the discharging device (6) is used for transferring the polished nodular cast iron jacking pipe away from the processing platform (2);
the primary grinding device (3) comprises a driving support frame (35), a driven support frame (34) and a grinding frame (31), wherein the driving support frame (35) and the driven support frame (34) are fixedly arranged on the processing platform (2), a first grinding motor (36) is fixedly arranged on the driving support frame (35), the first grinding motor (36) drives two driving wheels (37) to rotate in different directions, the minimum distance between the two driving wheels (37) is smaller than the outer diameter of the processed nodular cast iron jacking pipe, two driven wheels (38) are rotatably arranged on the driven support frame (34), the minimum distance between the two driven wheels (38) is smaller than the outer diameter of the processed nodular cast iron jacking pipe, the nodular cast iron jacking pipe to be processed is supported by the driving support frame (35) and the driven support frame (34), and the grinding frame (31) is slidably arranged on the processing platform (2), the nodular cast iron push pipe to be processed is driven by an air cylinder to move along the axial direction of the nodular cast iron push pipe to be processed, the air cylinder is arranged in the polishing frame (31), an air cylinder shaft of the air cylinder is vertically arranged and hinged with a second polishing motor (32), and a shaft extension end of the second polishing motor (32) is connected with a polishing wheel (33);
the fine grinding device (5) comprises a grinding frame (51) and a grinding support table (56), the polishing frame (51) is arranged on the processing platform (2) in a sliding manner, the polishing frame (51) is driven by a fertilization polishing cylinder (52) to translate on the processing platform (2) along the axial direction of the nodular cast iron jacking pipe, a rotating motor (53) is fixedly arranged on the polishing frame (51), the shaft extension end of the rotating motor (53) is connected with a fixing device (54), the grinding device is characterized in that a nodular cast iron jacking pipe to be subjected to fine grinding is arranged on the grinding support table (56), a dustproof grinding ring (55) is arranged on one side of the grinding support table (56) opposite to the grinding frame (51), a dust discharging port (21) is arranged on the processing platform (2) corresponding to the lower portion of the dustproof grinding ring (55), and the dust discharging port (21) is communicated with the collected dust discharging processing platform (2) through a dust discharging pipeline (22).
2. The grinding device for the nodular cast iron jacking pipe as claimed in claim 1, wherein the conveying device (1) comprises an erection platform (11), a conveying motor (12) is fixedly arranged on the erection platform (11), the conveying motor (12) drives a conveying belt (13) to move through a roller shaft, a plurality of baffle plates (14) which are arranged in parallel are arranged on the surface of the conveying belt (13), the baffle plates (14) are perpendicular to the conveying direction of the conveying belt (13), the distance between every two adjacent baffle plates (14) is larger than the outer diameter of the nodular cast iron jacking pipe to be processed, and a material receiving platform (15) is arranged at the discharging end of the conveying belt (13).
3. The grinding device for the nodular cast iron jacking pipe according to claim 1, wherein the material transfer device (4) comprises a support frame (41), one surface of the support frame (41) is fixedly provided with two connecting blocks (42), a limit slide rod (43) is fixedly connected between the two connecting blocks (42), a slide block (44) is arranged on the limit slide rod (43) in a sliding manner, the slide block (44) is connected with a cylinder shaft of a transfer transmission cylinder (46), the transfer transmission cylinder (46) drives the slide block (44) to reciprocate along the axial direction of the limit slide rod (43), the slide block (44) is connected with a transmission slide block (45) in a sliding manner, the relative sliding direction between the transmission slide block (45) and the slide block (44) is vertical to the limit slide rod (43), the transmission slide block (45) is acted by the cylinder to reciprocate in the vertical direction, the transmission slide block (45) is connected with a material conveying rod (47), the material conveying rod (47) and the limiting slide rod (43) are arranged in parallel, and the two ends of the material conveying rod (47) are provided with the mechanical arms (48).
4. The grinding device for the nodular cast iron jacking pipe as claimed in claim 1, the dustproof grinding ring (55) comprises a hard outer ring (551), annular brushes (552) are arranged at openings at two ends of the hard outer ring (551), the inner diameter of each brush (552) is smaller than or equal to the minimum outer diameter of the processed nodular cast iron jacking pipe, two polishing belt through holes (553) are formed in the outer wall of the hard outer ring (551), a guide roller (555) is rotatably installed on the outer wall of the hard outer ring (551) through a bearing installation seat (554), the guide roller (555) is arranged on one side of the polishing belt through holes (553), the machining platform (2) is fixedly provided with a fine grinding motor (57), the fine grinding motor (57) drives a polishing belt to move, and the polishing belt enters the dustproof grinding ring (55) through a polishing belt through hole (553) to grind the nodular cast iron top pipe entering the dustproof grinding ring (55).
5. The grinding device for the nodular cast iron jacking pipe as claimed in claim 1, the fixing device (54) comprises a fixing cylinder (541), a reinforcing layer (542) is coated on the circumference of the fixing cylinder (541), the cylinder shaft of the fixed cylinder (541) is fixedly connected with the center of the conduction disc (543), the cylinder shaft of the fixed cylinder (541) is vertical to the plane of the conduction disc (543), a plurality of U-shaped openings distributed in an annular array are formed in the circumferential direction of the conducting disc (543), the conducting disc (543) is hinged with one end of the connecting rod (545) through the U-shaped openings, the other end of the connecting rod (545) is coated with a rubber layer (546), any part between the two ends of the connecting rod (545) is hinged with one end of the supporting rod (544), and the other end of the supporting rod (544) is fixedly arranged on the reinforcing layer (542).
6. The grinding device for the nodular cast iron jacking pipe as claimed in claim 1, wherein the discharging device (6) comprises a discharging frame (61), an air pressurizing pump (62) and a discharging ring (64) are fixedly arranged on the discharging frame (61), the air pressurizing pump (62) sprays out compressed air through a spray head (63), and the spray head (63) is arranged above a position between a discharging end of the dustproof grinding ring (55) and a feeding end of the discharging ring (64).
7. The grinding device for the nodular cast iron jacking pipe according to claim 6, wherein the discharging ring (64) comprises a discharging cylinder (641), a plurality of rows of through holes arranged in parallel are formed in the wall surface of the discharging cylinder (641), the through holes are provided with the rollers (642) in a rotating mode, a roller shaft platform (651) is arranged at the bottom of the discharging ring (64), a conveying belt (652) is arranged on the roller shaft platform (651), the conveying belt (652) is driven by a motor to move, the conveying belt (652) is in contact with at least one row of rollers (642) on the discharging cylinder (641), and the rollers (642) are driven to rotate by the movement of the conveying belt (652) so as to drive the nodular cast iron jacking pipe to translate in the discharging cylinder (641).
8. The use method of the grinding device for the ball-milling cast iron jacking pipe as claimed in claim 5, characterized by comprising the following steps:
the nodular cast iron jacking pipe on the material receiving platform (15) is transferred to a driving support frame (35) and a driven support frame (34) through a material transfer device (4), the nodular cast iron jacking pipe is driven to rotate through a first grinding motor (36), meanwhile, a second grinding motor (32) drives a grinding wheel (33) to grind the surface of the nodular cast iron jacking pipe, and a cylinder drives a grinding frame (31) to translate, so that the surface of the nodular cast iron jacking pipe is roughly ground;
after the nodular cast iron jacking pipe is roughly ground, transferring the nodular cast iron jacking pipe after rough grinding to a grinding support table (56) through a manipulator (48) of the material transfer device (4);
the section, provided with the rubber layer (546), of the connecting rod (545) extends into the nodular cast iron push pipe, then the connecting rod (545) is driven by extending the cylinder shaft of the fixed cylinder (541), so that the angle between the connecting rod (545) and the cylinder shaft is increased, the rubber layer (546) is in close contact with the inner wall of the nodular cast iron push pipe, the fixing device (54) is fixedly connected with the nodular cast iron push pipe, and then the nodular cast iron push pipe is driven to rotate at a preset rotating speed through the rotating motor (53);
opening fine grinding cylinder (52), push away the nodular cast iron push pipe on the brace table (56) of will polishing to dustproof ring (55) of polishing in, after nodular cast iron push pipe part gets into dustproof ring (55) of polishing, open fine grinding motor (57), fine grinding motor (57) drive polishing band polishes nodular cast iron push pipe surface, the part of accomplishing of polishing is followed dustproof ring (55) of polishing interior discharge back, blown by shower nozzle (63) spun highly-compressed air, detach nodular cast iron push pipe surface's dust, the back is accomplished in the ash removal, nodular cast iron surface is polished the part of accomplishing and is taken into out material ring (64) earlier, from play material ring (64) discharge processing platform (2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911191960.XA CN110883657B (en) | 2019-11-28 | 2019-11-28 | Polishing device for nodular cast iron jacking pipe and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911191960.XA CN110883657B (en) | 2019-11-28 | 2019-11-28 | Polishing device for nodular cast iron jacking pipe and using method thereof |
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| CN110883657A CN110883657A (en) | 2020-03-17 |
| CN110883657B true CN110883657B (en) | 2021-06-11 |
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| CN112847049B (en) * | 2021-01-07 | 2022-08-09 | 泰州市津达电子科技有限公司 | Special water pipe production facility of washing machine |
| CN113290689B (en) * | 2021-07-28 | 2021-10-01 | 徐州宏巨机械制造有限公司 | Presetting disposable impact flow atomizing dust-removing nodular cast iron pipe machining device |
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| FR2604383B1 (en) * | 1986-09-25 | 1993-05-07 | Usinor Chatillon | RADIAL SUPPORT DEVICE FOR A ROTATING WORKPIECE OF THE GLASS TYPE, AND GRINDER EQUIPPED WITH THIS DEVICE AND THE NEED OF A LOADING / UNLOADING AUTOMATON AND ITS APPLICATION IN PARTICULAR TO THE MACHINING OF ROLLING ROLLERS |
| US5595524A (en) * | 1995-02-17 | 1997-01-21 | Npc, Inc. | Grinding apparatus and method which supports a workpiece on the surface being ground |
| CN201863060U (en) * | 2010-11-29 | 2011-06-15 | 梁庆琨 | Steel tube burnish machine |
| KR20130005414A (en) * | 2011-07-06 | 2013-01-16 | 최성원 | A rust removal apparatus for square pipe |
| KR101533676B1 (en) * | 2013-05-31 | 2015-07-03 | 김경준 | Apparatus for grinding a drill screw nail |
| CN203357201U (en) * | 2013-08-01 | 2013-12-25 | 浙江精一重工有限公司 | Polishing machine |
| CN105619213B (en) * | 2016-01-07 | 2017-09-12 | 温州大学激光与光电智能制造研究院 | A kind of automatic polishing system for cylindrical work |
| CN106514450B (en) * | 2016-12-09 | 2018-12-07 | 芜湖新兴铸管有限责任公司 | The grinding device of spheroidal graphite cast-iron push pipe |
| CN107199485B (en) * | 2017-06-30 | 2023-03-31 | 马鞍山俊强精密机械设备有限公司 | Grinding machine |
| CN107598688A (en) * | 2017-10-30 | 2018-01-19 | 饶琼珊 | A kind of tube-like piece workpiece polishing mechanism |
| CN108436624A (en) * | 2018-01-24 | 2018-08-24 | 苏州工业职业技术学院 | A kind of motor bearings polishing machine |
| CN109176182B (en) * | 2018-10-19 | 2019-10-15 | 马鞍山市博浪热能科技有限公司 | Device is repaired in a kind of High Precision Automatic milling for aero titanium alloy pipe structure |
| CN109202591A (en) * | 2018-11-20 | 2019-01-15 | 新兴铸管股份有限公司 | Ductile iron pipe end chamfer equipment |
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