CN209920572U - Polyurethane continuous double-gun spraying insulation pipe production line - Google Patents

Abstract

The utility model provides a polyurethane continuous type double gun spraying insulating tube production line, including steel pipe top tube platform one, the deruster, sweep the part, steel pipe top tube platform two, double gun spraying part, top tube platform three, polyethylene winding part, spray cooling part, cutting part and finished product pipe storage section, the output of steel pipe top tube platform one, the deruster is adjacent and the collineation setting in proper order with the input of steel pipe top tube platform two, the output of steel pipe top tube platform two, double gun spraying part is adjacent and the collineation setting in proper order with the input of top tube platform three, steel pipe top tube platform two is located to set up and is swept the part. The utility model discloses a this production line can sweep the inside of insulating tube production steel pipe to effectively guarantee production quality, be applicable to the high-efficient production of big pipe diameter insulating tube simultaneously, make production speed increase one time, and can reduce the polyurethane heat preservation thickness of insulating tube and be greater than 100mm and add the easy core carbonization problem that takes place man-hour.

Description

Polyurethane continuous double-gun spraying insulation pipe production line

Technical Field

The utility model relates to a thermal insulation pipe production technical field especially relates to a polyurethane continuous type double gun spraying thermal insulation pipe production line.

Background

The heat insulation pipe is a short name of heat insulation pipeline, and is often applied to the transportation of liquid, gas and other media and the heat insulation engineering of pipelines of petroleum, chemical engineering, aerospace, military, central heating, central air conditioning, municipal administration and the like. The insulating tube includes steel bushing steel composite insulation pipe and polyurethane insulating tube two kinds, and wherein, polyurethane insulating tube comprises work steel pipe, polyurethane heat preservation and high density polyethylene protective layer from inside to outside in proper order, and current production line that is used for big pipe diameter insulating tube leads to the polyurethane layer to take place the core carbonization easily at actual polyurethane spraying in-process, and clears up with the steel pipe is inside because of failing, also easily influences the production quality of insulating tube.

Disclosure of Invention

The utility model discloses a main aim at solves the problem that exists among the prior art, provides a compact structure, can sweep the inside of insulating tube production steel pipe to effectively guarantee production quality, be applicable to the high-efficient production of big pipe diameter insulating tube simultaneously, make production speed increase one time, and can reduce the polyurethane heat preservation thickness of insulating tube and be greater than the polyurethane continuous type double-gun spraying insulating tube production line of the easy emergence core carbonization problem of processing man-hour of 100 mm.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a two rifle spraying insulating tube production lines of polyurethane continuous type, wherein two rifle spraying insulating tube production lines of polyurethane continuous type include steel pipe top tube platform one, deruster, sweep part, steel pipe top tube platform two, two rifle spraying parts, top tube platform three, polyethylene winding part, spray cooling part, cutting part and finished product pipe storage unit, the output of steel pipe top tube platform one, deruster and the input of steel pipe top tube platform two are adjacent in proper order and the collineation setting, the output of steel pipe top tube platform two, two rifle spraying parts and the input of top tube platform three are adjacent in proper order and the collineation setting, steel pipe top tube platform two department sets up and sweeps the part, output, polyethylene winding part, spray cooling part, cutting part and finished product pipe storage unit of top tube platform three are adjacent in proper order and the collineation setting.

Further, the purging part is set to include a first transverse sliding rail, a first fixed support frame, a movable support frame, a purging mechanism and a steel pipe waste residue recovery chamber, the first transverse sliding rail and the steel pipe waste residue recovery chamber are correspondingly fixed on two sides of the steel pipe feeding platform II, the fixed support frame is arranged at one end, close to the steel pipe feeding platform II, of the first transverse sliding rail, the movable support frame is arranged on the first transverse sliding rail in a sliding mode through a driving mechanism, and the purging mechanism is erected between the fixed support frame and the movable support frame.

Further, sweep the mechanism and set up to include high-pressure centrifugal fan, sweep steel pipe and go out the wind head, high-pressure centrifugal fan is fixed in actuating mechanism through the supporting seat on, and this high-pressure centrifugal fan's air outlet intercommunication sweeps the air intake of steel pipe, sweep the fixed wind head of air outlet of steel pipe.

Further, the steel pipe waste residue recovery room sets up to retrieve drawer, sack cleaner and air exhauster including horizontal slide rail two, casing, rubber sealing washer, waste residue, horizontal slide rail two is fixed in one side of steel pipe top tube platform two subaerially, and slides through actuating mechanism on this horizontal slide rail two and set up the casing, the casing is close to fixed rubber sealing washer on the lateral wall of steel pipe top tube platform two, and the bottom inner chamber of this casing is hourglass hopper-shaped, the waste residue is retrieved the drawer and is slided and feed through and set up in the bottom of casing, the sack cleaner sets up in the top inner chamber of casing, the air exhauster sets up in the top of casing and is linked together rather than the inner chamber.

Furthermore, the first transverse slide rail and the second transverse slide rail are both arranged to comprise a base pad frame, walking steel rails and rack guide rails, the base pad frame is fixed on the ground on one side of the second steel pipe feeding platform, two groups of walking steel rails and rack guide rails are correspondingly arranged on the base pad frame along the axis direction of the base pad frame, and the rack guide rails are arranged on the inner sides of the walking steel rails.

Furthermore, the driving mechanism comprises a supporting platform, a first connecting rod, a second connecting rod, a motor, a driving belt pulley, a driven belt pulley, a traveling wheel and a gear, the first connecting rod and the second connecting rod are longitudinally and adjacently arranged at the bottom of the supporting platform through a connecting lug in a penetrating manner, a movable support frame or a steel pipe waste residue recovery chamber is fixed on the support platform, the first connecting rod and the second connecting rod correspond to each other and are in key connection with fixed sleeves provided with travelling wheels, wherein the inner side of the upper travelling wheel of the connecting rod I is also connected with a fixed sleeved gear in a corresponding key way, the motor is fixed on the supporting platform, and the output end of the motor shaft of the motor is connected with a fixed driving belt pulley, the driving belt pulley is connected with a driven belt pulley through belt transmission, the driven pulley key-type connection is fixed the cover and is located the one end of connecting rod one, the walking wheel all rolls the cooperation with the gear and sets up on horizontal slide rail one or horizontal slide rail two.

Further, the fixed support frame and the movable support frame can be arranged to comprise a vertical beam, a threaded rod and a support block, the lower end of the vertical beam is fixed on the first transverse slide rail or the driving mechanism, the threaded rod is correspondingly penetrated and arranged on the vertical beam, the support block is fixed at the lower end of the threaded rod, the threaded rod can be fixed on the vertical beam through a locking nut, the two ends of the support block are arranged on the vertical beam in a sliding fit mode, and the structure of the support block is matched with the structure of the purging steel pipe.

Further, still set up two sets of auxiliary stay wheels through the mounting bracket is corresponding on the lateral wall of sweeping the steel pipe.

Furthermore, the structure of the travelling wheel is matched with that of the travelling steel rail, and the gear is meshed with the rack guide rail.

Further, the double-gun spraying part sets up to including polyurethane batching room, first flush coater, second flush coater, spraying transfer chain, first room of spraying and two rooms of spraying, the interval sets up first flush coater and second flush coater in the polyurethane batching room, and the front side in this polyurethane batching room sets up the spraying transfer chain, the nozzle of first flush coater cooperatees and inserts and locate the indoor chamber of spraying, the nozzle of second flush coater cooperatees and inserts the inner chamber of locating the two rooms of spraying, coaxial line sets up the first room of spraying between the input of spraying transfer chain and the output of pipe platform two on the steel pipe, and coaxial line sets up the second room of spraying between the output of this spraying transfer chain and the input of top tube platform three.

Further, the polyethylene winding part is provided with a polyethylene extruder, and a discharge port of the polyethylene extruder is provided with an extrusion die.

The utility model has the advantages and positive effects that:

(1) through the cooperation that steel pipe top tube platform one, deruster, sweep part, steel pipe top tube platform two, two rifle spraying parts, top tube platform three, polyethylene winding part, spray cooling part, cutting part and finished product pipe storage part, can sweep the inside of insulating tube production steel pipe to effectively guarantee production quality, the two rifle spraying modes then can make production speed increase one time, compact structure.

(2) Carry out the spraying of certain thickness layer polyurethane earlier to the steel pipe surface in spraying one room through first flush coater, carry the steel pipe after accomplishing a spraying by the spraying transfer chain again and carry out the secondary spraying to the two rooms of spraying in, wherein the spraying transfer chain makes the steel pipe after accomplishing a spraying have a heat dissipation stage, can effectively reduce the polyurethane heat preservation thickness of insulating tube and be greater than 100mm direct processing, the easy core carbonization problem that takes place, in addition, the spraying of two guns spraying mode can be simultaneously to different tubular product surface polyurethane layers by two guns, shorten production time, so that this production line is applicable to the high-efficient production of big pipe diameter insulating tube.

(3) The blowing mechanism is supported by the fixed support frame and the movable support frame, the driving mechanism drives the movable support frame to move on the transverse sliding rail I, so that the blowing mechanism is inserted into the steel pipe, the rust removing steel sand in the steel pipe, the sundries, the dust and the like accumulated before are blown into the steel pipe waste residue recovery chamber, the influence on the subsequent processes of polyurethane spraying, polyethylene winding and the like is reduced, and the production quality of the heat preservation pipe is ensured.

(4) High-pressure gas is blown out from the air outlet head along the blowing steel pipe through the high-pressure centrifugal fan, and the driving mechanism is matched to drive the movable support frame to move on the transverse sliding rail I, so that the air outlet head can blow the whole steel pipe in a movable mode, and the inside of the steel pipe can be well cleaned.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the purge part in fig. 1.

Fig. 3 is a front view structural schematic diagram of the first transverse sliding rail, the fixed support frame, the movable support frame and the blowing mechanism in fig. 2.

Fig. 4 is a rear view of the structure of fig. 3.

Fig. 5 is a schematic view of the structure of the driving mechanism portion in fig. 4.

Fig. 6 is a partially enlarged schematic view of fig. 4.

Fig. 7 is a side view schematic of the structure of fig. 3.

Fig. 8 is a partially enlarged schematic view of fig. 7.

Fig. 9 is a partially enlarged schematic view of fig. 3.

Fig. 10 is a schematic structural view of a steel pipe waste slag recovery chamber part.

In the figure:

10-steel pipe upper pipe platform I101-transition platform I102-upper pipe transmission line I103-hydraulic pipe puller I

20-derusting machine

30-purging part 301-transverse slide rail I3011-base cushion frame 3012-walking steel rail

3013 rack guide 302, fixed support 3021, vertical beam 3022, threaded rod

3023-supporting block 303-movable supporting frame 304-purging mechanism 3041-high pressure centrifugal fan

3042-purging steel pipe 3043-air outlet head 3044-mounting rack 3045-auxiliary supporting wheel

3046-supporting seat 305-steel pipe waste residue recovery chamber 3051-transverse sliding rail II 3052-shell

3053-rubber sealing ring 3054-waste residue recovery drawer 3055-bag dust collector 3056-exhaust fan

306-drive mechanism 3061-support platform 3062-first link 3063-second link

3064-motor 3065-driving pulley 3066-driven pulley 3067-walking wheel

3068 Gear

40-steel pipe upper pipe platform II 401-derusting pipe transmission line I402-transition platform II 403-derusting pipe transmission line II

404-Hydraulic pipe puller II

50-two-gun spray coating part 501-polyurethane batching house 502-first spray coating machine 503-second spray coating machine

504-spraying conveyor line 505-spraying first chamber 506-spraying second chamber

60-upper pipe platform three 601-spraying pipe transmission line one 602-transition platform three 603-spraying pipe transmission line two

604-Hydraulic pipe-poking device III

70-polyethylene wound section

80-spray cooling part 801-spray cooling chamber 802-spray cooling conveying line 803-spray cooling spray head

804-cooling water supply system

90-finished product pipe storage part 901-finished product pipe conveying line 902-finished product pipe storage platform 903-hydraulic pipe poking device IV

Detailed Description

For a better understanding of the present invention, the following further description is given in conjunction with the following embodiments and accompanying drawings.

Example one

A polyurethane continuous double-gun spraying insulation pipe production line comprises a steel pipe upper pipe platform I10, a deruster 20, a purging part 30, a steel pipe upper pipe platform II 40, a double-gun spraying part 50, an upper pipe platform III 60, a polyethylene winding part 70, a spraying cooling part 80, a cutting part and a finished product pipe storage part 90, wherein the output end of the steel pipe upper pipe platform I10, the input ends of the deruster 20 and the steel pipe upper pipe platform II 40 are sequentially adjacent and collinearly arranged, the output end of the steel pipe upper pipe platform II 40, the input ends of the double-gun spraying part 50 and the upper pipe platform III 60 are sequentially adjacent and collinearly arranged, the purging part 30 is arranged at the steel pipe upper pipe platform II 40, the output end of the upper pipe platform III 60, the polyethylene winding part 70, the spraying cooling part 80, the cutting part and the finished product pipe storage part 90 are sequentially adjacent and collinearly arranged, and the deruster 20, The cooperation of the purging part 30, the second steel pipe upper pipe platform 40, the double-gun spraying part 50, the third upper pipe platform 60, the polyethylene winding part 70, the spray cooling part 80, the cutting part and the finished product pipe storage part 90 can purge the interior of the steel pipe for producing the heat-insulating pipe so as to effectively ensure the production quality, and the double-gun spraying mode can double the production speed and has compact structure.

Further, the double-gun spraying part 50 is provided to include a polyurethane batching room 501, a first spraying machine 502, a second spraying machine 503, a spraying conveyor line 504, a first spraying chamber 505 and a second spraying chamber 506, the first spraying machine 502 and the second spraying machine 503 are arranged in the polyurethane batching room 501 at intervals, the spraying conveyor line 504 is arranged on the front side of the polyurethane batching room 501, a nozzle of the first spraying machine 502 is inserted into an inner cavity of the first spraying chamber 505 in a matching manner, a nozzle of the second spraying machine 503 is inserted into an inner cavity of the second spraying chamber 506 in a matching manner, the first spraying chamber 505 is coaxially arranged between an input end of the spraying conveyor line 504 and an output end of the steel pipe upper pipe platform two 40, the second spraying chamber 506 is coaxially arranged between an output end of the spraying conveyor line 504 and an input end of the upper pipe platform three 60, a polyurethane layer with a certain thickness is firstly sprayed on the surface of the steel pipe in the first spraying chamber 505 through the first spraying machine 502, the steel pipe after accomplishing the primary spray is carried to the two rooms of spraying 506 by spraying transfer chain 504 again and is carried out the secondary spray, wherein spraying transfer chain 504 makes the steel pipe after accomplishing the primary spray have a heat dissipation stage, can effectively reduce the polyurethane heat preservation thickness of insulating tube and be greater than 100mm and directly add man-hour, the easy core carbonization problem that takes place, in addition, the double-gun spraying mode can be by the spraying on different tubular product surface polyurethane layers simultaneously of two guns, shorten production time, so that this production line is applicable to the high-efficient production of big pipe diameter insulating tube.

Further, the polyethylene winding part 70 is provided with a polyethylene extruder, the discharge port of the polyethylene extruder is provided with an extrusion die, and the sheet-shaped polyethylene is wound outside the polyurethane heat-insulating layer through the extrusion die at the discharge port of the polyethylene extruder, so that the polyurethane heat-insulating layer is prevented from being damaged by mechanical hard objects, and the performances of corrosion resistance, water resistance and the like are ensured.

Further, the spray cooling part 80 is arranged to include a spray cooling chamber 801, a spray cooling conveying line 802, spray cooling nozzles 803 and a cooling water supply system 804, the spray cooling chamber 801 is internally provided with the spray cooling conveying line 802 in a transverse penetrating manner, the spray cooling chamber 801 is internally provided with a plurality of spray cooling nozzles 803 uniformly along the direction of the spray cooling conveying line 802, a cutting part is arranged between the output end of the spray cooling conveying line 802 and the finished product pipe storage part 90, the cooling water supply system 804 is arranged to be communicated with the spray cooling nozzles 803 through a pipeline, the plurality of spray cooling nozzles 803 of the spray cooling chamber 801 are supplied with water through the cooling water supply system 804, so as to perform cooling treatment on the finished product direct-buried heat preservation pipe on the spray cooling conveying line 802, and finally, the cutting part performs cutting treatment on two ends of the finished product direct-buried heat preservation pipe, so that the finished product is collected to the finished product pipe storage, to facilitate handling.

Further, a first steel pipe feeding platform 10 is arranged to comprise a first transition platform 101, a first upper pipe transmission line 102 and a first hydraulic pipe poking device 103, the first upper pipe transmission line 102 is connected with the output end of the first transition platform 101, the first upper pipe transmission line 102 and the deruster 20 are arranged in a coaxial line adjacent mode, the first upper pipe transmission line 102 is provided with the first hydraulic pipe poking device 103, the first hydraulic pipe poking device 103 is used for assisting a steel pipe to enter the first upper pipe transmission line 102 from the first transition platform 101, and therefore the whole production line is continuously and efficiently conducted.

Further, the second steel pipe upper pipe platform 40 is arranged to include a first derusting pipe transmission line 401, a second transition platform 402 and a second derusting pipe transmission line 403, the first derusting pipe transmission line 401 and the deruster 20 are coaxially arranged, the output end of the first derusting pipe transmission line 401 is connected with the input end of the second transition platform 402, the output end of the second transition platform 402 is connected with the input end of the second derusting pipe transmission line 403, the purging part 30 is arranged at the position of the second transition platform 402, the output end of the second derusting pipe transmission line 403 is connected with the input end of the double-gun spraying part 50, the first derusting pipe transmission line 401 and the second derusting pipe transmission line 403 are both provided with second hydraulic pipe pokers 404, wherein the output end of the second derusting pipe transmission line is also provided with a medium frequency heater, the medium frequency heater at the output end of the second derusting pipe transmission line 403 can heat the steel pipe to be sprayed, and, through the cooperation of the first derusting pipe transmission line 401, the second transition platform 402, the second derusting pipe transmission line 403 and the second hydraulic pipe puller 404, the conveying of the derusted steel pipes can be realized.

Specifically, the output end of the second rust removing pipe transmission line 403 is connected with the inlet end of the first spraying chamber 505.

Further, the upper pipe platform three 60 is arranged to include a first spraying pipe transmission line 601, a third transition platform 602 and a second spraying pipe transmission line 603, the input end of the first spraying pipe transmission line 601 is connected with the output end of the double-gun spraying part 50, the output end of the first spraying pipe transmission line 601 is connected with the input end of the third transition platform 602, the output end of the third transition platform 602 is connected with the input end of the second spraying pipe transmission line 603, the output end of the second spraying pipe transmission line 603 is connected with the input end of the spray cooling part 80, the first spraying pipe transmission line 601 and the second spraying pipe transmission line 603 are both provided with a third hydraulic pipe puller 604, through the matching of the first spraying pipe transmission line 601, the third transition platform 602, the second spraying pipe transmission line 603 and the third hydraulic pipe puller 604, the heat-insulating pipe sprayed with the polyurethane layer can be conveyed to ensure the subsequent polyethylene winding process.

Specifically, the input end of the first spraying pipe transmission line 601 is connected with the outlet end of the second spraying chamber 506, and the output end of the second spraying pipe transmission line 603 is connected with the input end of the spraying cooling conveying line 802.

Further, finished product pipe storage part 90 sets up to deposit platform 902 including finished product pipe transfer chain 901 and finished product pipe, finished product pipe transfer chain 901 coaxial line sets up in the output of spraying cooling part 80, and the output of this finished product pipe transfer chain 901 sets up hydraulic pressure pipe extractor four 903, the output of finished product pipe transfer chain 901 is connected to finished product pipe storage platform 902's input, supplementary assurance finished product insulating tube gets into finished product pipe storage platform 902 through hydraulic pressure pipe extractor four 903, so that whole production line goes on in succession high-efficiently.

Specifically, the input end of the finished product pipe conveying line 901 is connected with the output end of the spray cooling conveying line 802.

Further, an upper pipe transmission line I102, a derusting pipe transmission line I401, a derusting pipe transmission line II 403, a spraying pipe transmission line I601, a spraying pipe transmission line II 603 and a finished product pipe transmission line 901 are all set as rotary transmission lines.

Specifically, the specific structure of each component, the connection structure with other components, the operation principle, and the like, which are not described in the present application, are the prior art in the field, and therefore, detailed descriptions thereof are omitted.

Example two

Furthermore, the purging part 30 is configured to include a first transverse slide rail 301, a first fixed support frame 302, a movable support frame 303, a purging mechanism 304 and a steel pipe waste residue recovery chamber 305, the first transverse slide rail 301 and the steel pipe waste residue recovery chamber 305 are fixed on two sides of the second steel pipe mounting platform 40 correspondingly, wherein one end of the first transverse slide rail 301 close to the second steel pipe mounting platform 40 is provided with the fixed support frame 302, the movable support frame 303 is slidably arranged on the first transverse slide rail 301 through a driving mechanism 306, the purging mechanism 304 is erected between the fixed support frame 302 and the movable support frame 303, the purging mechanism 304 is supported through the fixed support frame 302 and the movable support frame 303, and the driving mechanism 306 drives the movable support frame 303 to move on the first transverse slide rail 301, so that the purging mechanism 304 is inserted into the steel pipe to purge the rust-removing steel sand, the impurities and dust accumulated in the steel pipe into, the influence on the subsequent procedures of polyurethane spraying, polyethylene winding and the like is reduced, and the production quality of the heat-insulating pipe is ensured.

Specifically, the fixed support frame 302 may be welded or fixedly connected to the first transverse slide 301 through bolts.

Further, the purging mechanism 304 is configured to include a high-pressure centrifugal fan 3041, a purging steel pipe 3042 and an air outlet head 3043, the high-pressure centrifugal fan 3041 is fixed on the driving mechanism 306 through a supporting seat 3046, an air outlet of the high-pressure centrifugal fan 3041 is communicated with an air inlet of the purging steel pipe 3042, the air outlet of the purging steel pipe 3042 is fixed with the air outlet head 3043, high-pressure air is blown out from the air outlet head 3043 along the purging steel pipe 3042 through the high-pressure centrifugal fan 3041, and the driving mechanism 306 is matched to drive the movable supporting frame 303 to move on the transverse sliding rail one 301, so that the air outlet head 3043 moves and purges the whole steel pipe, and the inside of the steel pipe is.

Specifically, the specific connection structure between the air outlet of the high-pressure centrifugal fan 3041 and the air inlet of the purging steel pipe 3042 is the prior art, the specific model and specification of the high-pressure centrifugal fan 3041 need to be determined by model selection calculation according to the specification parameters and the like of the production line, and the model selection calculation method is the prior art in the field, and therefore is not described in detail; the air outlet of the purging steel pipe 3042 can be welded and fixed with the air outlet head 3043, so that when the purging steel pipe 3042 or the air outlet head 3043 is damaged, only the damaged part can be replaced, thereby avoiding waste caused by overall replacement and saving cost.

Further, the steel pipe waste residue recovery chamber 305 comprises a second transverse sliding rail 3051, a shell 3052, a rubber sealing ring 3053, a waste residue recovery drawer 3054, a bag-type dust collector 3055 and an exhaust fan 3056, wherein the second transverse sliding rail 3051 is fixed on the ground on one side of the second steel pipe upper pipe platform 40, the shell 3052 is arranged on the second transverse sliding rail 3051 in a sliding mode through a driving mechanism 306, the rubber sealing ring 3053 is fixed on the side wall, close to the second steel pipe upper pipe platform 40, of the shell 3052, the inner cavity at the bottom of the shell 3052 is funnel-shaped, the waste residue recovery drawer 3054 is arranged at the bottom of the shell 3052 in a sliding mode and communicated mode, the bag-type dust collector 3055 is arranged in the inner cavity at the top of the shell 3052 and communicated with the inner cavity of the exhaust fan 3056, the shell 3052 is driven to move along the second transverse sliding rail 3051 through the driving mechanism 306, and guarantee that rubber sealing washer 3053 on the casing 3052 holds away and live on the cover locates the steel pipe, in order to avoid going out the wind head 3043 and remove when sweeping, with the inside rust cleaning steel sand of steel pipe, debris, dust etc. of accumulating together before sweep to the casing 3052 inner chamber, and collect in the waste residue retrieves drawer 3054, and sweep the dust gas that the in-process produced, then filter through sack cleaner 3055, the dust granule of separation drops to waste residue and retrieves drawer 3054, gaseous casing 3052 inner chamber of being discharged under the effect of air exhauster 3056.

Specifically, a fixed seat of a rubber seal ring 3053 can be fixedly connected to the side wall of the shell 3052 close to the second steel pipe upper pipe platform 40 through bolts, and the specific connection structure of the fixed seat is in the prior art; the rubber sealing ring 3053 is the prior art in the field; the waste residue recovery drawer 3054 can be a cuboid with an opening at the upper part, a sliding block is fixed on the side wall of the waste residue recovery drawer 3054, a sliding groove is formed in the inner wall of the shell 3052, the sliding block is matched and arranged in the sliding groove in a sliding mode, the waste residue recovery drawer 3054 is pulled out from the shell 3052, and waste residues collected in the waste residue recovery drawer 3054 can be processed; the specific structure of the bag-type dust collector 3055, the specific connection structure with the top inner cavity of the shell 3052 and the working principle thereof are all the prior art, and detailed description is omitted; the fixing base of exhaust fan 3056 can be fixed at the top of the shell 3052 through a bolt, the air inlet of the exhaust fan 3056 is communicated with the air outlet formed in the shell 3052, the specific connection structure is the prior art, in addition, the model specification of the exhaust fan 3056 needs to be determined according to model selection calculation such as the parameter specification of the steel pipe waste residue recovery chamber 305, and the model selection calculation method is the prior art in the field, so detailed description is omitted.

Further, the first transverse slide rail 301 and the second transverse slide rail 3051 are both configured to include a base cushion frame 3011, a walking rail 3012 and a rack guide rail 3013, the base cushion frame 3011 is fixed on the ground on one side of the second steel tube top tube platform 40, two groups of walking rails 3012 and rack guide rails 3013 are correspondingly arranged on the base cushion frame 3011 along the axis direction thereof, and the rack guide rails 3013 are arranged on the inner sides of the walking rails 3012.

Specifically, the base cushion frame 3011 may be fixed to the ground on both sides of the second transition platform 402 by bolts, and two sets of walking rails 3012 and rack rails 3013 may be welded and fixed to the base cushion frame 3011 along the axial direction thereof.

Further, the driving mechanism 306 is provided to include a supporting platform 3061, a first connecting rod 3062, a second connecting rod 3063, a motor 3064, a driving pulley 3065, a driven pulley 3066, a traveling wheel 3067 and a gear 3068, the bottom of the supporting platform 3061 is longitudinally and adjacently arranged through the first connecting rod 3062 and the second connecting rod 3063 through a connecting lug, the movable support frame 303 or the steel pipe waste residue recovery chamber 305 is fixed on the support platform 3061, the first connecting rod 3062 and the second connecting rod 3063 are corresponding and are fixedly sleeved with the traveling wheel 3067 in a key connection way, wherein the inner side of the traveling wheel 3067 on the connecting rod 3062 is also correspondingly connected with a fixed sleeved gear 3068, the motor 3064 is fixed on the supporting platform 3061, the output end of the motor shaft of the motor 3064 is in key connection with a fixed driving belt pulley 3065, the driving belt pulley 3065 is in transmission connection with a driven belt pulley 3066 through a belt, the driven belt pulley 3066 is in key connection with a fixed sleeve arranged at one end of a first connecting rod 3062, and a travelling wheel 3067 and a gear 3068 are arranged on a first transverse sliding rail 301 or a second transverse sliding rail 3051 in a rolling fit mode.

Specifically, the bottom of the supporting platform 3061 can be welded and fixed with four groups of connecting lugs, bearings are arranged in the four groups of connecting lugs, and the first connecting rod 3062 and the second connecting rod 3063 adjacently penetrate through the bearings in the two groups of connecting lugs; the support platform 3061 can be welded or fixedly connected with the lower end of the movable support frame 303, the lower end of the steel pipe waste residue recovery chamber 305 and a support base 3046 of the high-pressure centrifugal fan 3041 through bolts; a motor 3064 seat of the motor 3064 can be fixed on the supporting platform 3061 through a bolt, the motor 3064 is set as a forward and reverse rotating motor 3064, in addition, the model specification and the like of the motor 3064 need to be calculated and determined according to the model selection and the like of the parameters of the purging part 30, the model selection calculation method adopts the prior art in the field, and therefore details are not repeated.

Further, the structure of the traveling wheel 3067 is matched with that of the traveling rail 3012, the gear 3068 is externally meshed with the rack guide rail 3013, the driving pulley 3065 is driven to rotate by the motor 3064, the driven pulley 3066 is driven to rotate by the belt, the driven pulley 3066 is fixed on the connecting rod 3062, the traveling wheel 3067 and the gear 3068 on the connecting rod 3062 are driven to synchronously rotate, the traveling wheel 3067 is matched with the traveling rail 3012, the gear 3068 is externally meshed with the rack guide rail 3013, the traveling wheel 3067 and the gear 3068 drive the supporting platform 3061 to stably and linearly move along the traveling rail 3012 and the rack guide rail 3013, and therefore the movement that the supporting frame 303 or the steel pipe waste residue recycling chamber 305 is close to or far away from the transition platform II 402 is achieved.

EXAMPLE III

Further, the fixed support frame 302 and the movable support frame 303 may be configured to include a vertical beam 3021, a threaded rod 3022, and a supporting block 3023, the lower end of the vertical beam 3021 is fixed on the first transverse slide rail 301 or the driving mechanism 306, a threaded rod 3022 is correspondingly arranged on the vertical beam 3021 in a penetrating way, a supporting block 3023 is fixed at the lower end of the threaded rod 3022, and the threaded rod 3022 can be fixed on the vertical beam 3021 through a locking nut 3024, the two ends of the supporting block 3023 are slidably fitted on the vertical beam 3021, and the structure of the supporting block 3023 is matched with the structure of the purging steel pipe 3042, by adjusting the length of the threaded rod 3022 that protrudes from the vertical beam 3021, and by tightening the threaded rod 3022 with the tightening nut 3024, the height adjustment of the supporting blocks 3023 on the vertical beams 3021 can be performed, so that the fixed supporting frame 302 and the movable supporting frame 303 can meet the purging treatment of the interior of the steel pipe in the production line of the heat-insulating pipes with various specifications, and the applicability of the purging part 30 is improved.

Specifically, the lower end of the vertical beam 3021 may be welded or fixed on the base cushion frame 3011 and the support platform 3061 through bolts, and the top of the vertical beam 3021 is provided with a through hole; the upper end of the threaded rod 3022 penetrates through the through holes, two sets of threaded rods 3022 are provided, and the lower end of the threaded rod 3022 can be welded and fixed at one end of the supporting block 3023; the both ends of supporting shoe 3023 can all set up the slider, set up the spout on perpendicular roof beam 3021, and the slider matches and slides and sets up in the spout.

In addition, for the locking and fixing of the position of the threaded rod 3022, other locking structures may also be employed, which are not described in detail herein.

Example four

Further, two sets of auxiliary support wheels 3045 are correspondingly disposed on the side wall of the purging steel pipe 3042 through the mounting frame 3044, and the purging steel pipe 3042 can move forward along the inner straight line of the steel pipe when moving along with the driving mechanism 306 through the two sets of auxiliary support wheels 3045.

Specifically, the mounting bracket 3044 can be set up to the arc mounting panel, be two sets of bracing pieces and the U type seat of 90 degrees contained angles, and the arc mounting panel passes through the bolt fastening and sweeps on the steel pipe 3042, and can weld the upper end of fixing the two sets of bracing pieces that are 90 degrees contained angles on this arc mounting panel, and the lower extreme of the two sets of bracing pieces that are 90 degrees contained angles welds the U type seat respectively, rotates through the pivot in the U type seat and connects supplementary supporting wheel 3045.

EXAMPLE five

Further, the supporting seat 3046 may be configured to include a fixing frame, a threaded support and a supporting plate, the lower end of the fixing frame is fixed on the supporting platform 3061, the threaded support is uniformly distributed at the upper end of the fixing frame along the circumferential direction of the fixing frame, the threaded support penetrates through the supporting plate, the supporting plate is locked on the threaded support by the matching of the upper nut and the lower nut, the high-pressure centrifugal fan 3041 is fixed on the supporting plate, and through the matching of the fixing frame, the threaded support and the supporting plate, the height of the high-pressure centrifugal fan 3041 can be adjusted according to the height of the steel pipe in the production line of the thermal insulation pipe, so as to cooperate with the purging steel pipe 3042, thereby meeting the purging requirement for the.

Use the utility model provides a polyurethane continuous type double gun spraying insulating tube production line, compact structure can sweep the inside of insulating tube production steel pipe to effectively guarantee production quality, be applicable to the high-efficient production of big pipe diameter insulating tube simultaneously, make production speed increase one time, and can reduce the polyurethane heat preservation thickness of insulating tube and be greater than 100mm and add the easy core carbonization problem that takes place man-hour. The working process of the production line is as follows:

1. according to the height of the steel pipe on the second transition platform 402 in the production line of the heat-insulating pipe, screwing an upper nut and a lower nut away from the support plate, adjusting the position of the support plate on a threaded support, screwing the upper nut and the lower nut to be close to the support plate after the adjustment is in place, completing the height adjustment of the support seat 3046, ensuring that the height of the high-pressure centrifugal fan 3041 meets the purging requirement on the steel pipe, simultaneously adjusting the penetrating length of a threaded rod 3022 on a vertical beam 3021, and locking the threaded rod 3022 under the matching of a locking nut 3024 to perform the height adjustment of a support block 3023 on the vertical beam 3021, so that the height of the purging steel pipe 3042 is suitable for the good purging work of the steel pipe on the second;

2. after the step 1 is completed, corresponding steel pipes are continuously placed on the first transition platform 101 when the required heat preservation pipes are produced, and the steel pipes enter the first upper pipe transmission line 102 under the action of the first hydraulic pipe poking device 103 and are driven by the first upper pipe transmission line to rotate and move linearly to enter the deruster 20 for derusting;

3. the steel pipe after being derusted by the derusting machine 20 rotates and linearly moves to the vicinity of a second hydraulic pipe pusher 404 under the traction of a first derusting pipe transmission line 401, and enters a second transition platform 402 under the action of the second hydraulic pipe pusher 404;

4. starting a motor 3064 in the steel pipe waste residue recovery chamber 305 to rotate positively, so that the motor 3064 drives a driving belt pulley 3065 to rotate, a belt drives a driven belt pulley 3066 to rotate along with the driving belt pulley 3066, the driven belt pulley 3066 is fixed on a first connecting rod 3062, the first connecting rod 3062 drives a traveling wheel 3067 and a gear 3068 on the first connecting rod to rotate synchronously, the traveling wheel 3067 is matched with a traveling steel rail 3012, the gear 3068 is meshed with the outside of a rack guide rail 3013, the traveling wheel 3067 and the gear 3068 drive a supporting platform 3061 to stably and linearly move along the traveling steel rail 3012 and the rack guide rail 3013, the steel pipe waste residue recovery chamber 305 is close to a second transition platform 402 until a rubber sealing ring 3053 on the shell 3052 is sleeved on a steel pipe to be cleaned, and the motor 3064 is;

5. then, the bag-type dust collector 3055, the exhaust fan 3056, the high-pressure centrifugal fan 3041 and the motor 3064 at the movable support frame 303 are started to rotate forwardly, so that the motor 3064 drives the driving pulley 3065 to rotate, the belt drives the driven pulley 3066 to rotate therewith, the driven pulley 3066 is fixed on the connecting rod 3062, the connecting rod 3062 drives the traveling wheel 3067 and the gear 3068 to rotate synchronously, the traveling wheel 7 is matched with the traveling steel rail 3012, the gear 3068 is meshed with the rack guide rail 3013, the traveling wheel 3067 and the gear 3068 drive the support platform 3061 to move linearly and stably along the traveling steel rail 3012 and the rack guide rail 3013, so that the purging steel pipe 3042 moves forward along the inside of the steel pipe with the assistance of the auxiliary support wheel 3045, in the process, the high-pressure centrifugal fan 3041 blows out high-pressure gas from the air outlet head 3043 along the purging steel pipe 3042 to purge the whole steel pipe, rust-removing steel sand, sundries, dust and the like in the steel pipe are blown to the inner cavity of the shell 3052 in the steel pipe waste residue recovery chamber 305 and collected into the waste residue recovery drawer 3054, dust gas generated in the blowing process is filtered by the bag-type dust remover 3055, separated dust particles fall into the waste residue recovery drawer 3054, and the gas is discharged out of the inner cavity of the shell 3052 under the action of the exhaust fan 3056, so that the inside of a group of steel pipes is well cleaned;

6. closing the bag-type dust collector 3055, the exhaust fan 3056 and the high-pressure centrifugal fan 3041, and enabling the motor 3064 in the steel pipe waste residue recovery chamber 305 and the motor 3064 at the movable support frame 303 to reversely rotate, so that the motor 3064 drives the steel pipe waste residue recovery chamber 305 and the movable support frame 303 to be away from the second transition platform 402 through the matching of the driving belt pulley 3065, the belt, the driven belt pulley 3066, the walking wheel 3067, the walking steel rail 3012, the gear 3068 and the rack guide rail 3013, and in the process, the steel pipe to be cleaned moves to the position, coaxial with the steel pipe waste residue recovery chamber 305 and the movable support frame 303, on the second transition platform 402;

7. repeating the steps 4-6 to finish the cleaning process of the insides of the steel pipes in batches, meanwhile, moving the steel pipes after the step 5 to the position near the second hydraulic pipe puller 404 on the second derusting pipe transmission line 403, and pulling the steel pipes to the second derusting pipe transmission line 403 under the action of the second hydraulic pipe puller 404 to rotate and do linear motion by the second derusting pipe transmission line 403;

8. after being heated by the intermediate frequency heater at the output end of the second derusting pipe transmission line 403, the steel pipe rotates and moves linearly into the first spraying chamber 505 under the action of the second derusting pipe transmission line 403, the first spraying machine 502 firstly sprays polyurethane with a certain thickness layer on the surface of the steel pipe in the first spraying chamber 505 (thickness can be measured by a polyurethane thickness gauge, which is the prior art and is not described any more), the pipe after primary spraying enters the spraying transmission line 504 to be conveyed linearly and rotatably, so that the steel pipe after primary spraying has a heat dissipation stage, meanwhile, the latter steel pipe continues to be sprayed in the first spraying chamber 505 by the first spraying machine 502 for one time, the former steel pipe is conveyed to the second spraying chamber 506 by the spraying transmission line 504 to be sprayed for the second time by the second spraying machine 503 (thickness can be measured by the polyurethane thickness gauge, which is the prior art and is not described any more), thereby the two guns realize the spraying of the upper polyurethane layers of the large-diameter heat preservation pipes with different specifications, the production time is shortened, and the problem of core carbonization easily occurs when the thickness of a polyurethane insulating layer of the insulating pipe is more than 100mm during direct processing is effectively reduced;

9. after the polyurethane heat-insulating layer is sprayed, the pipe fitting rotates and moves linearly to a first sprayed pipe transmission line 601, then enters a third transition platform 602 under the action of a third hydraulic pipe extractor 604 on the pipe fitting until the pipe fitting moves to the position near the third hydraulic pipe extractor 604 on a second sprayed pipe transmission line 603, then is shifted to a second derusting pipe transmission line 403 under the action of the third hydraulic pipe extractor 604, the second derusting pipe transmission line 403 pulls the pipe fitting to rotate and move linearly to a polyethylene extruder, and the polyethylene extruder winds the flaky polyethylene outside the polyurethane heat-insulating layer, so that the polyurethane heat-insulating layer is prevented from being damaged by mechanical hard objects, and the performances of corrosion resistance, water resistance and the like are ensured;

10. the finished product heat-insulating pipe enters a spray cooling chamber 801 with the assistance of a spray cooling conveying line 802, a cooling water supply system 804 supplies water for a plurality of spray cooling spray nozzles 803 of the spray cooling chamber 801, and the finished product direct-buried heat-insulating pipe on the spray cooling conveying line 802 is cooled;

11. finally, the cutting part at the output end of the spray cooling conveying line 802 cuts the finished product heat preservation pipe, the cut finished product enters the finished product pipe conveying line 901, and the hydraulic pipe poking device 903 assists the finished product heat preservation pipe to enter the finished product pipe storage platform 902, so that the whole production line is continuously and efficiently carried out.

The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.

Claims (10)

1. The utility model provides a polyurethane continuous type double gun spraying insulating tube production line which characterized in that: polyurethane continuous type double gun spraying insulating tube production line includes that steel pipe top tube platform (10), deruster (20), sweep part (30), steel pipe top tube platform two (40), double gun spraying part (50), top tube platform three (60), polyethylene winding part (70), spray cooling part (80), cutting part and finished product pipe deposit part (90), the output of steel pipe top tube platform (10), deruster (20) and the input of steel pipe top tube platform two (40) are adjacent in proper order and the collineation setting, the output of steel pipe top tube platform two (40), double gun spraying part (50) and the input of top tube platform three (60) are adjacent in proper order and the collineation setting, steel pipe top tube platform two (40) department sets up and sweeps part (30), the output of top tube platform three (60), polyethylene winding part (70), The spray cooling part (80), the cutting part and the finished product tube storage part (90) are arranged in sequence adjacently and collinearly.

2. The production line of the polyurethane continuous double-gun spraying thermal insulation pipe according to claim 1 is characterized in that: purging part (30) sets up to including horizontal slide rail one (301), fixed stay frame (302), remove support frame (303), purging mechanism (304) and steel pipe waste residue recovery room (305), horizontal slide rail one (301) is fixed in the both sides of steel pipe top tube platform two (40) with steel pipe waste residue recovery room (305) is corresponding, and wherein horizontal slide rail one (301) are close to the one end of steel pipe top tube platform two (40) and set up fixed stay frame (302), it sets up on horizontal slide rail one (301) to remove support frame (303) through actuating mechanism (306) slip, erect between fixed stay frame (302) and removal support frame (303) and purge mechanism (304).

3. The production line of the polyurethane continuous double-gun spraying thermal insulation pipe as claimed in claim 2, is characterized in that: the purging mechanism (304) comprises a high-pressure centrifugal fan (3041), a purging steel pipe (3042) and an air outlet head (3043), wherein the high-pressure centrifugal fan (3041) is fixed on the driving mechanism (306) through a supporting seat (3046), an air outlet of the high-pressure centrifugal fan (3041) is communicated with an air inlet of the purging steel pipe (3042), and the air outlet head (3043) is fixed at an air outlet of the purging steel pipe (3042).

4. The production line of the polyurethane continuous double-gun spraying thermal insulation pipe as claimed in claim 2, is characterized in that: the steel pipe waste residue recovery chamber (305) comprises a transverse sliding rail II (3051), a shell (3052), a rubber sealing ring (3053), a waste residue recovery drawer (3054), a bag-type dust collector (3055) and an exhaust fan (3056), the transverse slide rail II (3051) is fixed on the ground at one side of the steel pipe upper pipe platform II (40), and the second transverse slide rail (3051) is provided with a shell (3052) in a sliding way through a driving mechanism (306), a rubber sealing ring (3053) is fixed on the side wall of the shell (3052) close to the second steel pipe upper pipe platform (40), and the inner cavity at the bottom of the shell (3052) is funnel-shaped, the waste residue recovery drawer (3054) slides and is communicated with the bottom of the shell (3052), the bag-type dust collector (3055) is arranged in an inner cavity at the top of the shell (3052), and the exhaust fan (3056) is arranged at the top of the shell (3052) and communicated with the inner cavity of the shell.

5. The production line of the polyurethane continuous double-gun spraying thermal insulation pipe according to claim 4 is characterized in that: horizontal slide rail (301) and horizontal slide rail two (3051) all set up to including base pad frame (3011), walking rail (3012) and rack guide rail (3013), base pad frame (3011) are fixed in the subaerial of steel pipe top tube platform two (40) one side, and this base pad frame (3011) goes up and sets up two sets of walking rail (3012) and rack guide rail (3013) along its axis direction is corresponding, rack guide rail (3013) set up in the inboard of walking rail (3012).

6. The production line of polyurethane continuous double-gun spraying thermal insulation pipes according to claim 4 or 5, characterized in that: the driving mechanism (306) comprises a supporting platform (3061), a first connecting rod (3062), a second connecting rod (3063), a motor (3064), a driving belt pulley (3065), a driven belt pulley (3066), a walking wheel (3067) and a gear (3068), the first connecting rod (3062) and the second connecting rod (3063) are longitudinally and adjacently arranged at the bottom of the supporting platform (3061) through a connecting lug, a movable supporting frame (303) or a steel pipe waste residue recovery chamber (305) is fixedly arranged on the supporting platform (3061), the first connecting rod (3062) and the second connecting rod (3063) are correspondingly connected and fixedly sleeved with the walking wheel (3067) in a key connection manner, the gear (3068) is fixedly sleeved on the inner side of the first connecting rod (3062) and correspondingly connected with the upper walking wheel (3067), the motor (3064) is fixed on the supporting platform (3061), and the output end of the motor (3064) shaft of the motor (3064) is fixedly connected with the driving belt pulley (3065), the driving belt pulley (3065) is connected with a driven belt pulley (3066) through belt transmission, the driven belt pulley (3066) is fixedly connected with the key and fixedly sleeved at one end of the connecting rod I (3062), and the walking wheel (3067) and the gear (3068) are arranged on the transverse sliding rail I (301) or the transverse sliding rail II (3051) in a rolling fit mode.

7. The production line of the polyurethane continuous double-gun spraying thermal insulation pipe as claimed in claim 2, is characterized in that: the fixed support frame (302) and the movable support frame (303) can be set to include vertical beam (3021), threaded rod (3022) and supporting shoe (3023), the lower extreme of vertical beam (3021) is fixed in on the horizontal slide rail (301) or on actuating mechanism (306), and should erect and correspondingly wear to establish threaded rod (3022) on the beam (3021), the lower extreme fixed support piece (3023) of threaded rod (3022), and this threaded rod (3022) accessible lock nut is fixed in on erecting beam (3021), the both ends sliding fit of supporting shoe (3023) sets up on erecting beam (3021), and the structure of this supporting shoe (3023) and the structure cooperation of sweeping steel pipe (3042).

8. The production line of the polyurethane continuous double-gun spraying thermal insulation pipe according to claim 3 is characterized in that: two groups of auxiliary supporting wheels (3045) are correspondingly arranged on the side wall of the purging steel pipe (3042) through a mounting frame (3044).

9. The production line of the polyurethane continuous double-gun spraying thermal insulation pipe according to claim 1 is characterized in that: the double-gun spraying part (50) is arranged to comprise a polyurethane batching room (501), a first spraying machine (502), a second spraying machine (503), a spraying conveying line (504), a spraying first chamber (505) and a spraying second chamber (506), a first spraying machine (502) and a second spraying machine (503) are arranged in the polyurethane batching room (501) at intervals, and the front side of the polyurethane batching room (501) is provided with a spraying conveying line (504), the nozzle of the first spraying machine (502) is inserted into the inner cavity of the first spraying chamber (505) in a matching way, the nozzle of the second spraying machine (503) is inserted into the inner cavity of the second spraying chamber (506) in a matching way, a first spraying chamber (505) is coaxially arranged between the input end of the spraying conveying line (504) and the output end of the second steel pipe upper pipe platform (40), and a second spraying chamber (506) is coaxially arranged between the output end of the spraying conveying line (504) and the input end of the upper pipe platform (60).

10. The production line of the polyurethane continuous double-gun spraying thermal insulation pipe according to claim 1 is characterized in that: the polyethylene winding part (70) is arranged as a polyethylene extruder, and a discharge port of the polyethylene extruder is provided with an extrusion die.

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