CN110052376B - Steel pipe plastic-coated production line - Google Patents
Steel pipe plastic-coated production line Download PDFInfo
- Publication number
- CN110052376B CN110052376B CN201910469382.5A CN201910469382A CN110052376B CN 110052376 B CN110052376 B CN 110052376B CN 201910469382 A CN201910469382 A CN 201910469382A CN 110052376 B CN110052376 B CN 110052376B
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- plastic
- coated
- gear
- pipe
- steel pipe
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 93
- 239000010959 steel Substances 0.000 title claims abstract description 93
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 54
- 239000006223 plastic coating Substances 0.000 claims abstract description 42
- 238000007599 discharging Methods 0.000 claims abstract description 40
- 238000005243 fluidization Methods 0.000 claims abstract description 27
- 238000011084 recovery Methods 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims description 22
- 230000007704 transition Effects 0.000 claims description 17
- 239000003638 chemical reducing agent Substances 0.000 claims description 9
- 230000033001 locomotion Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 14
- 230000009471 action Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C19/00—Apparatus specially adapted for applying particulate materials to surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C19/00—Apparatus specially adapted for applying particulate materials to surfaces
- B05C19/005—Apparatus specially designed for applying particulate materials to the inside of hollow work
- B05C19/007—Apparatus specially designed for applying particulate materials to the inside of hollow work for applying the particulate materials to the inside of hollow tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C19/00—Apparatus specially adapted for applying particulate materials to surfaces
- B05C19/06—Storage, supply or control of the application of particulate material; Recovery of excess particulate material
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Spray Control Apparatus (AREA)
Abstract
The invention discloses a steel pipe plastic-coated production line which comprises an inner pipe plastic-coated mechanism, an outer pipe plastic-coated mechanism, a discharging frame, a discharging device and an outer pipe plastic-coated groove, wherein the discharging frame is positioned in front of the inner pipe plastic-coated mechanism, the discharging device transfers a steel pipe on the inner pipe plastic-coated mechanism to the discharging frame, the outer pipe plastic-coated groove is positioned in front of the discharging frame, and the outer pipe plastic-coated mechanism transfers the steel pipe positioned on the discharging frame into the outer pipe plastic-coated groove and completes plastic coating of the outer pipe of the steel pipe. According to the steel pipe plastic-coated production line, automatic continuous plastic coating of the inner pipe and the outer pipe of the steel pipe is realized through the discharging device, the outer pipe plastic-coated groove, the outer pipe plastic-coated mechanism, the inner pipe plastic-coated mechanism and the discharging frame, and the plastic-coated efficiency of the device is improved; the fluidization material is fed into the inner pipe of the steel pipe through the air compressor, and the plastic coating of the steel pipe is realized through the flow of the fluidization material, so that the plastic coating efficiency is high, and the redundant fluidization material can be recovered through the recovery equipment under the action of air flow, so that the use amount of the fluidization material is reduced, and the plastic coating cost is saved.
Description
Technical Field
The invention relates to the technical field of steel pipe plastic coating, in particular to a steel pipe plastic coating production line.
Background
In the steel pipe production process, the inner pipe and the outer pipe of the steel pipe are required to be sprayed with polymer materials, so that corrosion resistance or wear resistance of the steel pipe is improved, a spray gun is adopted in the traditional production process to spray one end of the steel pipe to the other end, but in order to improve the spraying effect of the steel pipe, the steel pipe is heated generally, and therefore, the temperature at the two ends is inconsistent when the steel pipe is sprayed by the traditional spray gun, so that the spraying quality is unstable.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a steel pipe plastic-coated production line with high spraying effect and good spraying effect.
The aim of the invention is achieved by the following technical scheme: the steel pipe plastic-coated production line comprises an inner pipe plastic-coated mechanism, an outer pipe plastic-coated mechanism, a discharging frame, a discharging device and an outer pipe plastic-coated groove, wherein the discharging frame is positioned in front of the inner pipe plastic-coated mechanism, the discharging device transfers the steel pipe on the inner pipe plastic-coated mechanism to the discharging frame, the outer pipe plastic-coated groove is positioned in front of the discharging frame, and the outer pipe plastic-coated mechanism transfers the steel pipe positioned on the discharging frame into the outer pipe plastic-coated groove and completes plastic coating of the outer pipe of the steel pipe;
the inner pipe plastic-coated mechanism comprises a fluidization seat, a plastic-coated workbench and a fixed seat, wherein an air compressor is arranged at the top of the fluidization seat, a first jacking pipe is arranged on the side wall of the right end of the fluidization seat, the fixed seat is positioned at the right end of the fluidization seat, a transition roller and recovery equipment are arranged on the fixed seat, a second jacking pipe is arranged at the left end of the transition roller, the right end of the first jacking pipe is propped in the left end of a steel pipe, the left end of the second jacking pipe is propped in the left end of the steel pipe, a recovery pipe is arranged at the right end of the transition roller, the recovery equipment is positioned at the right end of the transition roller, the right end of the recovery pipe is connected with the recovery equipment, the plastic-coated workbench is positioned between the fluidization seat and the fixed seat, a plurality of groups of support seats which are arranged in pairs are arranged on the plastic-coated workbench, the steel pipe is positioned on the support seats, a discharge frame is positioned in front of the plastic-coated workbench, a plurality of groups of support seats which are arranged in pairs are also arranged on the discharge frame, and the left end and right end of the front side wall of the plastic-coated workbench are all provided with discharge devices, and the discharge device transfers the steel pipe positioned on the support seats of the plastic-coated workbench to the support seats to the discharge frame;
the outer pipe plastic-coated mechanism comprises a connecting frame, a movable box, a horizontal guide column and a traction mechanism for driving the connecting frame to move back and forth, wherein the left end and the right end of the connecting frame are respectively provided with a fixed box, the bottom of the fixed box is an open port, four corners at the bottom of the fixed box are respectively provided with a mounting block, the two ends of the horizontal guide column are respectively longitudinally mounted in the corresponding mounting blocks, the axial direction of the horizontal guide column is parallel to the axial direction of the connecting frame, guide blocks are respectively mounted on the front side wall and the rear side wall of the movable box, guide holes are formed in the guide blocks, the horizontal guide column is in sliding fit in the corresponding guide holes, the top of the movable box is positioned in the fixed box, the inner side wall of the fixed box is provided with a first hydraulic cylinder, the telescopic rod of the first hydraulic cylinder is connected with the movable box, and the two first hydraulic cylinders work, so that the movable boxes at the two ends of the connecting frame are reversely moved, the top of the movable box is an open port, a motor is mounted in the movable box, a conical block is mounted on a rotating main shaft of the motor, and the conical block is positioned on the outer side of the movable box, and the rotating main shaft is parallel to the horizontal guide column.
Preferably, the rotary main shaft is provided with a bearing, the bearing is sleeved on the side wall of the corresponding movable box, a screw hole is formed in the end face, connected with the conical block, of the rotary main shaft, and the conical block is provided with a screw rod which is in threaded fit in the screw hole.
Preferably, the right end face of the first jacking pipe and the left end face of the second jacking pipe are both conical surfaces, the diameter of the conical top of the conical surfaces is smaller than the inner diameter of the steel pipe, and the diameter of the conical bottom of the conical surfaces is larger than the inner diameter of the steel pipe.
Preferably, the fixing base comprises a fixing base and a sliding seat, a guide rail is arranged at the top of the fixing base, a sliding groove is formed in the bottom of the sliding seat, the sliding groove is slidably matched with the guide rail, a second hydraulic oil cylinder is further installed at the right end of the fixing base, a piston rod of the second hydraulic oil cylinder is connected with the sliding seat, and the second hydraulic oil cylinder works to drive the sliding seat to move left and right relative to the fixing base.
Preferably, the transition roller and the recovery device are both arranged on the sliding seat, a driving mechanism for driving the second jacking pipe to rotate is further arranged on the sliding seat, the driving mechanism comprises a driving motor, a speed reducer, a driving gear and a driven gear, the driven gear is arranged on the second jacking pipe, the driving motor and the speed reducer are both arranged on the sliding seat, a power output shaft of the driving motor is connected with the speed reducer, the power output shaft of the speed reducer is connected with the driving gear, the driving gear and the driven gear are in power transmission through a chain, a bearing hole is formed in the left end part of the transition roller, a bearing is arranged in the bearing hole, and the right end part of the second jacking pipe is arranged in the bearing.
Preferably, the unloading device comprises a U-shaped rack, a first main shaft, an unloading motor, a rotating plate, a second main shaft and a bearing plate, wherein the first main shaft stretches across and is installed on the U-shaped rack through a bearing seat, two ends of the unloading motor are respectively provided with a transmission shaft, the power output ends of the transmission shafts respectively drive the first main shafts at the left end and the right end of the front side wall of the plastic-coated workbench to rotate through a transmission mechanism, the rotating plate is located in a U-shaped groove of the U-shaped rack, the rotating plate is fixedly installed on the first main shaft, the rotating plate can do circular motion relative to the U-shaped rack, the second main shaft is installed at one end of the rotating plate, the second main shaft can rotate relative to the rotating plate, the bearing plate is fixedly installed on the second main shaft, a V-shaped groove which is convenient for clamping a steel pipe is formed in the top of the bearing plate, a rotating gear is fixedly installed on the second main shaft, a fixed fluted disc is arranged on one bearing seat, the fixed fluted disc and the rotating gear is located on the same side of the bearing plate, the fixed fluted disc is connected with the rotating gear through chain transmission, and the fixed fluted disc is identical in size with the rotating gear.
Preferably, the rotor plate has counter weight end and bearing end, the balancing weight is installed to the counter weight end of rotor plate on the bearing end, install the overspeed device tensioner who makes chain tensioning on the rotor plate, overspeed device tensioner includes the fixed block, tensioning screw rod and sliding plate, the baffle is installed to the vertical both sides of the bearing end of rotor plate, form the sliding tray between two baffles, sliding plate sliding fit is in the sliding tray, the fixed block is installed on the rotor plate, and set up threaded hole on the fixed block, tensioning screw rod screw thread fit is in threaded hole, and the one end top of tensioning screw rod is on the sliding plate, the bearing hole has been seted up on the sliding plate, install the bearing in the bearing hole, the one end of second main shaft is installed in the bearing.
Preferably, the baffle is provided with a groove, the groove is positioned on the inner side wall of the sliding groove, the sliding plate is provided with a sliding lug, and the sliding lug is in sliding fit in the groove.
Preferably, the traction mechanism comprises a traction motor, a first gear, a second gear, a guide sliding plate, an electric hoist and a guide sliding rail, two longitudinal beam frames are longitudinally arranged above the outer tube plastic-coated groove at intervals, two transverse beam frames are transversely arranged above the longitudinal beam frames at intervals, the top of each transverse beam frame is provided with the guide sliding rail, travel switches are arranged at two ends of each guide sliding rail, the guide sliding plate is slidably arranged on each guide sliding rail, the guide sliding plate is located between the two travel switches, a supporting longitudinal beam is connected between the two guide sliding plates, the top end of the electric hoist is arranged on the supporting longitudinal beam, the bottom of the electric hoist is arranged on the connecting frame, the top of the connecting frame is fixedly provided with a traction frame, two ends of the connecting frame are further vertically provided with vertical guide posts, guide plates are arranged at two ends of the bottom of the supporting longitudinal beam frames respectively, guide holes are formed in the guide plates, the vertical guide posts are in the corresponding guide holes, the first longitudinal beam frames are provided with the first gear and the traction motor, the power output shaft of the traction motor is connected with the first gear, the other longitudinal beam frames are provided with the second gear, the first gear and the second gear is arranged on the second longitudinal beam frames, the first gear and the second gear is wound on the same side wall, and the first side wall of the first gear is connected with the first side wall and the second side wall of the first side wall is in a reverse direction rotation mode, and the second side wall of the first side wall is connected with the first side wall of the chain.
Preferably, a third gear is arranged on the traction frame, and the top of the third gear is meshed with the chain.
The invention has the following advantages:
1. according to the steel pipe plastic-coated production line, automatic continuous plastic coating of the inner pipe and the outer pipe of the steel pipe is realized through the discharging device, the outer pipe plastic-coated groove, the outer pipe plastic-coated mechanism, the inner pipe plastic-coated mechanism and the discharging frame, so that the plastic-coated efficiency of the device is improved;
2. the inner pipe plastic coating mechanism sends the fluidization material into the inner pipe of the steel pipe through the air compressor, so that the flow of the fluidization material realizes the plastic coating of the steel pipe, the plastic coating efficiency is high, and the redundant fluidization material can be recovered through the recovery equipment under the action of air flow, thereby reducing the usage amount of the fluidization material and saving the plastic coating cost;
3. the outer pipe plastic coating mechanism enables the steel pipe to rotate in the outer pipe plastic coating groove, so that plastic coating materials can be coated on the outer pipe of the steel pipe rapidly and uniformly, and the plastic coating efficiency and the plastic coating effect of the steel pipe are improved;
4. the steel pipe that plastic-coated is unloaded through discharge apparatus for it is efficient to unload, and the steel pipe can not roll out the bearing plate at the in-process of unloading simultaneously, thereby makes the steel pipe stable of unloading.
Drawings
FIG. 1 is a schematic view of the structure of the present invention
FIG. 2 is a schematic structural view of an inner tube plastic-coated mechanism
FIG. 3 is a schematic structural view of an inner tube plastic-coated mechanism
FIG. 4 is a schematic view of a discharge device
FIG. 5 is a schematic view of the structure of the load bearing plate moving to the highest point
FIG. 6 is a schematic cross-sectional view of A-A of FIG. 5
FIG. 7 is a schematic diagram of a traction mechanism
FIG. 8 is a schematic view of the installation of a vertical guide post
FIG. 9 is a schematic view of a structure of a connecting frame;
FIG. 10 is a schematic view of the mounting location of the mounting block;
FIG. 11 is a schematic view of the structure of the mobile case;
in the figure, 101-unloading motor, 102-U-shaped frame, 103-rotating plate, 104-bearing seat, 105-first main shaft, 106-bearing plate, 107-rotating gear, 108-fixed fluted disc, 109-second main shaft, 110-baffle, 111-sliding plate, 112-tensioning screw, 113-fixed block, 114-sliding bump, 115-balancing weight, 201-connecting frame, 202-fixed box, 203-moving box, 204-first hydraulic cylinder, 205-mounting block, 206-horizontal guide post, 207-motor, 208-rotating main shaft, 210-conical block, 211-guide block, 213-cross beam frame, 214-supporting longitudinal beam, 215-travel switch, 216-longitudinal beam frame, 217-traction motor, 218-first gear, 219-guide slide plate, 220-second gear, 221-traction frame, 222-vertical guide column, 223-electric hoist, 224-third gear, 225-guide slide rail, 226-guide plate, 227-transmission rod, 100-outer tube plastic coating groove, 200-outer tube plastic coating mechanism, 300-inner tube plastic coating mechanism, 400-unloading frame, 301-air compressor, 302-fluidization seat, 303-first jacking pipe, 304-supporting seat, 305-plastic coating workbench, 306-driving gear, 307-driven gear, 308-transition roller, 309-recovery pipe, 310-recovery equipment, 311-second hydraulic cylinder, 312-guide rail, 313-fixed base, 314-sliding seat, 315-driving motor, 316-speed reducer, 317-discharge device, 319-transmission shaft, 320-second push pipe.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without collision.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present invention and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1, the steel pipe plastic-coated production line comprises an inner pipe plastic-coated mechanism 300, an outer pipe plastic-coated mechanism 200, a discharge frame 400, a discharge device 317 and an outer pipe plastic-coated groove 100, wherein the discharge frame 400 is positioned in front of the inner pipe plastic-coated mechanism 300, the discharge device 317 transfers the steel pipe on the inner pipe plastic-coated mechanism 300 to the discharge frame 400, the outer pipe plastic-coated groove 100 is positioned in front of the discharge frame 400, and the outer pipe plastic-coated mechanism 200 transfers the steel pipe on the discharge frame 400 into the outer pipe plastic-coated groove 100 and completes plastic coating of the outer pipe of the steel pipe;
in this embodiment, as shown in fig. 2 and 3, the inner pipe plastic-coated mechanism 300 includes a fluidization base 302, a plastic-coated workbench 305, a discharge rack 400 and a fixing base, the top of the fluidization base 302 is provided with an air compressor 301, the right end side wall of the fluidization base 302 is provided with a first jacking pipe 303, the fixing base is located at the right end of the fluidization base 302, and the fixing base is provided with a transition roller 308 and a recycling device 310, the left end of the transition roller 308 is provided with a second jacking pipe 320, and the right end of the first jacking pipe 303 is propped against the left end of a steel pipe, the left end of the second jacking pipe 320 is propped against the left end of the steel pipe, in this embodiment, the right end face of the first jacking pipe 303 and the left end face of the second jacking pipe 320 are both tapered surfaces, and the tapered top diameter of the tapered surfaces is smaller than the inner diameter of the steel pipe, so that the steel pipe 303 and the second jacking pipe 320 can be propped against each other, the further tapered surfaces are tapered surfaces, and the steel pipe is also tapered, when the first 303 and the second jacking pipe 320 are propped against each other, and no gap exists between the first jacking pipe 320 and the second jacking pipe 320, and no gap exists between the materials between the first jacking pipe and the second jacking pipe 320.
In this embodiment, as shown in fig. 2 and 3, a recovery pipe 309 is installed at the right end of the transition roller 308, the recovery device 310 is located at the right end of the transition roller 308, the right end of the recovery pipe 309 is connected with the recovery device 310, the plastic coating workbench 305 is located between the fluidization base 302 and the fixing base, and multiple groups of support bases 304 are installed on the plastic coating workbench 305, in this embodiment, the number of the support bases 304 is three, each group is two, the support bases 304 are respectively located at the front section, the middle section and the rear section of the plastic coating workbench 305, rotatable rollers are provided on the support bases 304, the steel pipe is located at the middle position of the two rollers through the rotation of the rollers, the fluidized plastic coating material is provided in the fluidization base 302, when the air compressor 301 works, the plastic coating material in the fluidization base 302 is pushed into the steel pipe by the air flow, the fluidization material entering the inner wall of the steel pipe is coated on the inner side wall of the steel pipe, and the redundant plastic coating material flows out of the second 320 and enters the recovery device 310 through the top pipe 309.
In this embodiment, as shown in fig. 2 and 3, the unloading frame 400 is located in front of the plastic-coated workbench 305, and a plurality of groups of supporting seats 304 are also disposed on the unloading frame 400, and similarly, the supporting seats 304 are three groups, each group has two supporting seats 304 located at the front section, the middle section and the rear section of the unloading frame 400, and rotatable rollers are disposed on the supporting seats 304, steel pipes are located on the supporting seats 304, and by rotating the rollers, a unloading device 317 is installed at both left and right ends of the front side wall of the plastic-coated workbench 305 located at the middle position of the two rollers, the unloading device 317 transfers the steel pipes located on the supporting seats 304 of the plastic-coated workbench 305 to the supporting seats 304 of the unloading frame 400, further, as shown in fig. 4 to 6, the unloading device 317 includes a U-shaped frame 102, an unloading motor 101, a rotating plate 103, a second spindle 109, a bearing plate 106 and a first spindle 105, the first main shaft 105 is transversely arranged on the U-shaped frame 102 through the bearing seat 104, two ends of the discharging motor 101 are provided with a transmission shaft 319, namely, the discharging motor 101 rotates, the power of the discharging motor rotates to the discharging devices 317 at two ends of the plastic coating workbench 305 respectively through the transmission shaft 319, the transmission shaft 319 drives the first main shaft 105 to rotate through a transmission mechanism, further, the transmission mechanism is in gear transmission, namely, the transmission shaft 319 is provided with a gear, the first main shaft 105 is also provided with a gear, the gear on the transmission shaft 319 is connected with the gear on the second main shaft 109 through chain transmission, the rotating plate 103 is positioned in a U-shaped groove of the U-shaped frame 102, the rotating plate 103 is fixedly arranged on the first main shaft 105, preferably, a through hole is formed in the middle area of the rotating plate 103, then the second main shaft 109 passes through the through hole, and the rotating plate 103 and the first main shaft 105 synchronously rotate through a flat key, when the rotating plate 103 rotates along with the first spindle 105, the rotating plate 103 can do circular motion relative to the U-shaped frame 102, in the embodiment, the second spindle 109 is installed at one end of the rotating plate 103, the second spindle 109 can rotate relative to the rotating plate 103, the bearing plate 106 is fixedly installed on the second spindle 109, preferably, a through hole is formed in the bearing plate 106, one end of the second spindle 109 is installed in the through hole, the bearing plate 106 and the second spindle 109 are synchronously rotated through a flat key, a V-shaped groove convenient for clamping a steel tube is formed in the top of the bearing plate 106, when the bearing plate 106 is installed, a notch of the V-shaped groove is required to be upwards, a rotary gear 107 is fixedly installed on the second spindle 109, preferably, a flat key is also installed between the rotary gear 107 and the second spindle 109, a bearing seat 104 is provided with a fixed fluted disc 108, the fixed fluted disc 108 and the rotary gear 107 are located on the same side of the bearing plate 106, the fixed fluted disc 108 is in transmission connection with the rotary gear 107 through a chain, the size of the fixed fluted disc 108 is the same as the rotary gear 107, therefore, when the discharging spindle 101 works, the first spindle 105 a is driven to rotate along with the rotation angle of the steel tube 103, the first fluted disc 105 a rotates clockwise, the rotation angle of the bearing plate 103 a is always opposite to the bearing plate 106 a rotates clockwise, and the rotation angle of the bearing plate 106 a is always opposite to the rotation angle of the steel tube is avoided, and the clockwise rotation angle is ensured, and the rotation angle of the rotating plate 106 a rotates anticlockwise relative to the bearing plate 106 a rotates along with the rotation angle, and the rotation angle is opposite to the rotation angle of the steel tube.
In this embodiment, the bearing plate 106 has a counterweight end and a bearing end, the second spindle 109 is mounted on the bearing end, after a steel pipe is placed on the bearing plate 106, the end of the rotating plate 103 will be overweight, therefore, the counterweight 115 is mounted on the counterweight end of the rotating plate 103, and the rotating stability of the rotating plate 103 is ensured through the counterweight 115, so when the discharging motor 101 works, the discharging motor 101 rotates the first spindle 105 through the transmission shaft 319 and the transmission mechanism, thereby driving the rotating plate 103 to rotate, and when the rotating plate 103 rotates, the bearing plate 106 jacks up the steel pipe, so that the steel pipe rotates together with the rotating plate 103, and the steel pipe is discharged from the plastic-coated workbench 305 to the discharging frame 400.
In this embodiment, the rotating plate 103 is provided with a tensioning device for tensioning a chain, further, the tensioning device comprises a fixed block 113, a tensioning screw 112 and a sliding plate 111, two longitudinal sides of a bearing end of the rotating plate 103 are provided with baffle plates 110, a sliding groove is formed between the two baffle plates 110, the sliding plate 111 is in sliding fit in the sliding groove, the fixed block 113 is installed on the rotating plate 103, the fixed block 113 is provided with a threaded hole, the tensioning screw 112 is in threaded fit in the threaded hole, one end of the tensioning screw 112 is propped against the sliding plate 111, the sliding plate 111 is provided with a bearing hole, a bearing is installed in the bearing hole, one end of the second main shaft 109 is installed in the bearing, further, the baffle plates 110 are provided with grooves, the grooves are located on the inner side walls of the sliding groove, the sliding plate 111 is provided with sliding protrusions 114, the sliding protrusions 114 are in the grooves, stability of the sliding plate 111 is guaranteed, a thrust force is applied to the sliding plate 111, the sliding plate 111 slides along the sliding groove, and the distance between the rotating gear 107 and the fixed fluted disc 108 is increased, and the fluted disc 107 and the chain between the fixed fluted disc 108 is fixed.
In this embodiment, the fixing base includes a fixing base 313 and a sliding seat 314, a guide rail 312 is disposed at the top of the fixing base 313, a sliding groove is disposed at the bottom of the sliding seat 314, the sliding groove is slidably matched on the guide rail 312, a second hydraulic cylinder 311 is further mounted at the right end of the fixing base, a piston rod of the second hydraulic cylinder 311 is connected with the sliding seat 314, the second hydraulic cylinder 311 works to drive the sliding seat 314 to move left and right relative to the fixing base 313, when a steel pipe is placed on the plastic-coated workbench 305, the second hydraulic cylinder 311 works, so that the second jacking pipe 320 moves towards the steel pipe, finally, two ends of the steel pipe are respectively propped by the first jacking pipe 303 and the second jacking pipe 320, further, a transition roller 308 and a recovery device 310 are mounted on the sliding seat 314, a driving mechanism for driving the second jacking pipe 320 is further mounted on the sliding seat 314, the driving mechanism 316, a driving gear 306 and a driven gear 307 are mounted on the second jacking pipe 320, the driving motor 315 and the driven gear 307 are mounted on the driving gear 307, and the driving shaft of the driving motor 315 and the driving gear 316 is mounted on the driving seat 314, and the driving shaft of the driving gear 316 is connected with the driving shaft of the driving motor 315 and the driving gear 316, and the driving shaft is also rotatably connected with the driving shaft of the driving shaft 320 and the driving shaft of the driving shaft 320 through the driving shaft and the driving shaft 320, and the driving shaft is mounted in the driving shaft bearing 320 and the driving shaft 320 is rotatably connected with the driving shaft bearing 320.
In this embodiment, as shown in fig. 9-11, the outer tube plastic coating mechanism 200 includes a connecting frame 201, a moving box 203, a horizontal guide post 206 and a traction mechanism for driving the connecting frame to move back and forth, where the connecting frame 201 is of steel structure, preferably, the connecting frame 201 has a steel frame welded by steel sections, in this embodiment, the length of the connecting frame 201 is greater than that of the steel tube, further, the fixing box 202 is a rectangular box body, the bottom of the fixing box 202 is an open mouth, of course, the top of the fixing box 202 may also be an open mouth, four corners at the bottom of the fixing box 202 are all provided with a mounting block 205, the mounting block 205 is a rectangular block, the mounting block 205 is mounted on four corners at the bottom of the fixing box 202 by welding, two ends of the horizontal guide post 206 are respectively mounted in the corresponding mounting block 205 longitudinally, further, the mounting block 205 is provided with a mounting hole, the two ends of the horizontal guide column 206 are positioned in the mounting holes, in order to prevent the horizontal guide column 206 from moving relative to the mounting block 205, limit pins can be arranged at the two ends of the horizontal guide column 206, or the horizontal guide column 206 and the mounting block 205 can be welded together in a welding mode after the horizontal guide column 206 is mounted, when the horizontal guide column 206 is mounted, the axial direction of the horizontal guide column 206 is parallel to the axial direction of the connecting frame 201, the guide blocks 211 are mounted on the front and rear side walls of the moving box 203, the guide holes are formed in the guide blocks 211, the horizontal guide column 206 is in sliding fit with the corresponding guide holes, so that the moving direction of the moving box 203 is transversely moved, when the moving box 203 is mounted, the top of the moving box 203 is positioned in the fixed box 202, further, the moving box 203 is a rectangular box body, the top of the moving box 203 is an open port, a motor 207 is mounted in the moving box 203, the rotary main shaft 208 of the motor 207 is provided with the conical block 210, further conical block 210 is detachably connected with the rotary main shaft 208 of the motor 207, after the conical block 210 is installed, the conical block 210 is located at the outer side of the moving box 203, the rotary main shaft 208 is parallel to the horizontal guide column 206, preferably, a screw hole is formed in the end face, connected with the conical block 210, of the rotary main shaft 208, the conical block 210 is provided with a screw rod, the screw rod is in the screw hole in a threaded manner, the screw rod is installed in the screw hole when the conical block 210 is installed, then the conical block 210 is screwed down, when the motor 207 rotates, the conical block 210 can be driven to rotate, the telescopic rod of the first hydraulic cylinder 204 is connected with the moving box 203, and the two first hydraulic cylinders 204 work, so that the moving boxes 203 located at two ends of the connecting frame 201 reversely move, when a steel pipe needs to be propped up, the telescopic rod of the first hydraulic cylinder 204 stretches out, the moving box 203 at the left end moves to the right, the moving box 203 at the right end moves to the left, the conical block 210 is further, the conical block 210 is installed in the screw hole, then the conical block 210 is screwed down, the diameter of the conical block 210 is larger than the inner diameter of the steel pipe 210, and then the plastic pipe 210 is driven to be coated on the inner diameter of the outer pipe, and the plastic pipe 210 is made to be coated with the plastic pipe, and the plastic pipe is made to be coated with the diameter of the plastic pipe, and the plastic pipe is the plastic pipe with the plastic pipe, and the plastic pipe is the plastic pipe with the diameter is the diameter and the plastic pipe is the plastic pipe.
In this embodiment, the rotating main shaft 208 is provided with a bearing, and the bearing is sleeved on the side wall of the corresponding moving box 203, so that the rotating main shaft 208 can play a supporting role through the bearing, and the rotating coaxiality of the rotating main shaft 208 can be ensured, so that the rotating coaxiality of the steel pipe is ensured, and further, the plastic coating uniformity of the outer pipe of the steel pipe is ensured.
In this embodiment, two guide blocks 211 are mounted on the front and rear side walls of the moving case 203, and the guide blocks 211 on the same side wall are mounted side by side at intervals, and the guide accuracy can be improved by the two guide blocks 211, and meanwhile, the moving case 203 can be supported better.
In this embodiment, as shown in fig. 7 and 8, the traction mechanism comprises a traction motor 217, a first gear 218, a second gear 220, a guide slide 219, an electric hoist 223 and a guide slide rail 225, two longitudinal beam frames 216 are longitudinally arranged above the outer tube plastic-coated groove 100 at intervals, two transverse beam frames 213 are transversely arranged above the longitudinal beam frames 216 at intervals, guide slide rails 225 are arranged at the top of the transverse beam frames 213, travel switches 215 are arranged at two ends of the guide slide rails 225, guide slide 219 are slidably arranged on the guide slide rails 225, the guide slide 219 is positioned between the two travel switches 215, a support longitudinal beam 214 is connected between the two guide slide rails 219, the top end of the electric hoist 223 is arranged on the support longitudinal beam 214, the bottom of the electric hoist 223 is arranged on a connecting frame, the lifting of the connecting frame can be realized by controlling the electric hoist 223, further, the traction frame 221 is fixedly arranged at the top of the connecting frame, the two ends of the connecting frame are also vertically provided with vertical guide posts 222, the two ends of the bottom of the supporting longitudinal beam 214 are respectively provided with a guide plate 226, the guide plates 226 are provided with guide holes, the vertical guide posts 222 are in sliding fit in the corresponding guide holes, when the connecting frame is lifted, the straightness of the lifting of the connecting frame is ensured through the sliding fit of the vertical guide posts 222 and the guide holes, in the embodiment, one longitudinal beam frame 216 is provided with a first gear 218 and a traction motor 217, the power output shaft of the traction motor 217 is connected with the first gear 218, the other longitudinal beam frame 216 is provided with a second gear 220, the first gear 218 and the second gear 220 are wound with the same chain, one end of the chain is connected with the rear side wall of the traction frame 221, the other end of the chain is connected with the front side wall of the traction frame 221, the first gear 218 enables the second gear 220 to reversely rotate with the second gear through the chain, preferably, the first gear 218 is installed on the front longitudinal beam frame 216, the second gear 220 is installed on the rear longitudinal beam frame 216, when the traction motor 217 works, the first gear 218 is driven to rotate anticlockwise, the first gear 218 enables the second gear 220 to rotate clockwise through the chain, therefore, the connecting frame moves towards the second gear 220 under the action of the chain, when the first gear 218 rotates clockwise, the first gear 218 enables the second gear 220 to rotate anticlockwise through the chain, at the moment, the connecting frame moves towards the first gear 218 under the action of the chain, in the moving process of the connecting frame, the guide sliding plate 219 moves synchronously along the guide sliding rail 225, the connecting frame ensures the straightness of the movement of the connecting frame through the sliding fit of the guide sliding plate 219 and the guide sliding rail 225, when the guide sliding plate 219 touches the corresponding travel switch 215, the traction motor 217 stops working at the moment, further, the first gear 218 and the second gear 220 are two groups, the two groups of the first gears 218 are respectively distributed at the front end and the rear end of the corresponding longitudinal beam frame 216, the two groups of the first gears 227 are respectively, the two groups of the second gears 220 are also connected with the second gears 224 through the first gears 227 and the second gears 224 through the two groups of the guide sliding plates 219, the second gears 224 are also meshed with the second gears 224, and the third gears 224 are meshed with the third gears 224.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (8)
1. Steel pipe plastic-coated production line, its characterized in that: the steel tube plastic coating machine comprises an inner tube plastic coating mechanism, an outer tube plastic coating mechanism, a discharging frame, a discharging device and an outer tube plastic coating groove, wherein the discharging frame is positioned in front of the inner tube plastic coating mechanism, the discharging device transfers steel tubes on the inner tube plastic coating mechanism to the discharging frame, the outer tube plastic coating groove is positioned in front of the discharging frame, and the outer tube plastic coating mechanism transfers the steel tubes on the discharging frame into the outer tube plastic coating groove and completes plastic coating of the outer tube of the steel tubes;
the inner pipe plastic-coated mechanism comprises a fluidization seat, a plastic-coated workbench and a fixed seat, wherein an air compressor is arranged at the top of the fluidization seat, a first jacking pipe is arranged on the side wall of the right end of the fluidization seat, the fixed seat is positioned at the right end of the fluidization seat, a transition roller and a recovery device are arranged on the fixed seat, a second jacking pipe is arranged at the left end of the transition roller, the right end of the first jacking pipe is propped in the left end of a steel pipe, the left end of the second jacking pipe is propped in the left end of the steel pipe, a recovery pipe is arranged at the right end of the transition roller, the recovery device is positioned at the right end of the transition roller, the right end of the recovery pipe is connected with the recovery device, the plastic-coated workbench is positioned between the fluidization seat and the fixed seat, a plurality of groups of supporting seats which are arranged in pairs are arranged on the plastic-coated workbench, the steel pipe is positioned on the supporting seat, the discharging frame is positioned in front of the plastic-coated workbench, a plurality of groups of supporting seats which are arranged in pairs are also arranged on the discharging frame, and the discharging frame is positioned on the left side wall of the plastic-coated workbench, and the two sides of the plastic-coated workbench are arranged on the supporting seat, and the discharging device is positioned on the left side of the supporting seat;
the outer pipe plastic-coated mechanism comprises a connecting frame, a movable box, horizontal guide columns and a traction mechanism for driving the connecting frame to move forwards and backwards, wherein the left end and the right end of the connecting frame are respectively provided with a fixed box, the bottom of the fixed box is an open port, four corners of the bottom of the fixed box are respectively provided with a mounting block, the two ends of each horizontal guide column are respectively and longitudinally arranged in the corresponding mounting blocks, the axial direction of each horizontal guide column is parallel to the axial direction of the connecting frame, guide blocks are respectively arranged on the front side wall and the rear side wall of each movable box, guide holes are formed in the guide blocks, the horizontal guide columns are in sliding fit with the corresponding guide holes, the top of each movable box is positioned in the fixed box, the inner side wall of each fixed box is provided with a first hydraulic cylinder, the telescopic rods of each first hydraulic cylinder are connected with the movable box, the movable boxes positioned at the two ends of the connecting frame are reversely moved, the tops of the movable boxes are open ports, a motor is arranged in the movable boxes, the motor is arranged on the movable boxes, the rotating blocks are arranged on the spindle, and the conical main shafts are arranged on the spindle and are parallel to the spindle; the rotary main shaft is provided with a bearing, the bearing is sleeved on the side wall corresponding to the movable box, a screw hole is formed in the end face, connected with the conical block, of the rotary main shaft, the conical block is provided with a screw rod, and the screw rod is in threaded fit in the screw hole; the right end face of the first jacking pipe and the left end face of the second jacking pipe are conical surfaces, the diameter of the conical top of each conical surface is smaller than the inner diameter of the steel pipe, and the diameter of the conical bottom of each conical surface is larger than the inner diameter of the steel pipe.
2. The steel pipe plastic-coated production line according to claim 1, wherein: the fixing seat comprises a fixing base and a sliding seat, a guide rail is arranged at the top of the fixing base, a sliding groove is formed in the bottom of the sliding seat, the sliding groove is in sliding fit with the guide rail, a second hydraulic cylinder is further installed at the right end of the fixing seat, a piston rod of the second hydraulic cylinder is connected with the sliding seat, and the second hydraulic cylinder works to drive the sliding seat to move left and right relative to the fixing base.
3. The steel pipe plastic-coated production line according to claim 2, wherein: the transition roller and the recovery device are both installed on the sliding seat, a driving mechanism for driving the second jacking pipe to rotate is further installed on the sliding seat, the driving mechanism comprises a driving motor, a speed reducer, a driving gear and a driven gear, the driven gear is installed on the second jacking pipe, the driving motor and the speed reducer are both installed on the sliding seat, a power output shaft of the driving motor is connected with the speed reducer, a power output shaft of the speed reducer is connected with the driving gear, the driving gear is in power transmission with the driven gear through a chain, a bearing hole is formed in the left end part of the transition roller, a bearing is installed in the bearing hole, and the right end part of the second jacking pipe is installed in the bearing.
4. A steel pipe plastic-coated production line according to claim 3, characterized in that: the discharging device comprises a U-shaped frame, a first main shaft, a discharging motor, a rotating plate, a second main shaft and a bearing plate, wherein the first main shaft stretches across and is installed on the U-shaped frame through a bearing seat, two ends of the discharging motor are respectively provided with a transmission shaft, power output ends of the transmission shafts respectively drive the first main shafts at the left end and the right end of the front side wall of the plastic-coated workbench to rotate through a transmission mechanism, the rotating plate is located in a U-shaped groove of the U-shaped frame, the rotating plate is fixedly installed on the first main shaft, the rotating plate can do circular motion relative to the U-shaped frame, one end of the rotating plate is provided with the second main shaft, the second main shaft can rotate relative to the rotating plate, the bearing plate is fixedly installed on the second main shaft, a V-shaped groove which is convenient for clamping a steel pipe is formed in the top of the bearing plate, a rotating gear is fixedly installed on the second main shaft, a fixed fluted disc is arranged on the bearing seat, the fixed fluted disc is located on the same side of the bearing plate, the fixed fluted disc is connected with the rotating gear through a transmission, and the fixed fluted disc is the same in size and the rotation of a small gear.
5. The steel pipe plastic-coated production line according to claim 4, wherein: the rotor plate has counter weight end and bearing end, the second main shaft is installed on the bearing end, the balancing weight is installed to the counter weight end of rotor plate, install on the rotor plate and make the overspeed device tensioner of chain tensioning, overspeed device tensioner includes fixed block, tensioning screw rod and sliding plate, the baffle is installed to the vertical both sides of the bearing end of rotor plate, forms the sliding tray between two baffles, sliding plate sliding fit is in the sliding tray, the fixed block is installed on the rotor plate, just threaded hole has been seted up on the fixed block, tensioning screw rod screw thread fit is in threaded hole, just the one end top of tensioning screw rod is in on the sliding plate, the bearing hole has been seted up on the sliding plate, install the bearing in the bearing hole, the one end of second main shaft is installed in the bearing.
6. The steel pipe plastic-coated production line according to claim 5, wherein: the baffle is provided with a groove, the groove is positioned on the inner side wall of the sliding groove, the sliding plate is provided with a sliding lug, and the sliding lug is in sliding fit with the groove.
7. A steel pipe plastic-coated production line according to claim 1 or 6, characterized in that: the traction mechanism comprises a traction motor, a first gear, a second gear, a guide slide plate, an electric hoist and a guide slide rail, two longitudinal beam frames are longitudinally arranged above the outer tube plastic-coated groove at intervals, two transverse beam frames are transversely arranged above the longitudinal beam frames at intervals, the top of each transverse beam frame is provided with the guide slide rail, travel switches are arranged at the two ends of each guide slide rail, the guide slide plate is slidably arranged on each guide slide rail, the guide slide plate is located between the two travel switches, two support longitudinal beams are connected between the guide slide plates, the top end of the electric hoist is arranged on the support longitudinal beam, the bottom of the electric hoist is arranged on the connecting frame, the top of the connecting frame is fixedly provided with a traction frame, two ends of the connecting frame are vertically provided with vertical guide posts, guide plates are arranged at the two ends of the bottom of the support longitudinal beam frames, guide holes are formed in the corresponding guide posts in a sliding fit mode, a first gear and the traction motor are arranged on the longitudinal beam frames, the power gear of the output shaft is connected with the first gear frame, the first gear frame and the second gear frame and the first gear frame are connected with the first side wall and the second side wall in a reverse direction, the first side wall of the first side wall and the second side wall of the first side wall of the electric hoist is connected with the first side wall and the second side wall of the first side wall, and the first side wall of the first side wall is connected with the first side wall and the opposite side wall, and the traction frame is connected with the opposite side chain.
8. The steel pipe plastic-coated production line according to claim 7, wherein: and a third gear is arranged on the traction frame, and the top of the third gear is meshed with the chain.
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