CN218746141U - Three-in-one automobile pipe production system - Google Patents

Abstract

The utility model discloses a three-in-one automobile pipe production system, belonging to the technical field of automobile pipe preparation; it includes: the first subsystem, the second subsystem, the third subsystem and the fourth subsystem are used for processing the pipe; the first subsystem is provided with an output end with adjustable direction, and the output end of the first subsystem can be connected with any one of the second subsystem, the third subsystem and the fourth subsystem; the input end of the fourth subsystem can be connected with any one of the first subsystem, the second subsystem and the third subsystem; the second subsystem and the third subsystem comprise a plurality of shared process equipment. The utility model discloses production line can be integrated, production efficiency is improved.

Description

Three-in-one automobile pipe production system

Technical Field

The utility model relates to an automobile pipe preparation technical field especially relates to an automobile pipe production system of three-way unification.

Background

In the interior of an automobile, a complex pipeline system exists, such as a brake pipeline, a steering pipeline, an oil return pipeline and a fuel pipeline, and each pipeline needs a pipe made of a specific material as a basic carrier, so that a corresponding function is realized. In general, golvan tubes (Galfan tubes), aluminum-rich epoxy resin coated tubes (Algal tubes) and composite coated tubes (Nygal tubes) are used in large quantities and are relatively stable and reliable.

In the production of golvan tubes (Galfan tubes), al-rich epoxy coated tubes (Algal tubes) and composite coated green tubes (Nygal tubes), it is generally necessary to adopt different processes and arrange separate production lines for each. As shown in fig. 2 to 4, each production line operates independently to prepare the corresponding pipe during production.

The production line arranged according to the prior art occupies a large amount of factory space, uses a plurality of groups of same equipment, and brings great troubles to maintenance. Meanwhile, the production efficiency is low due to low integration degree of each process and equipment.

SUMMERY OF THE UTILITY MODEL

In view of this, a three-in-one automobile pipe production system is needed to be provided to solve the problems of complex manufacturing process and low integration level of the existing pipe.

The utility model provides a three-way unification's car tubular product production system, include: the first subsystem, the second subsystem, the third subsystem and the fourth subsystem are used for processing the pipe;

the first subsystem can be used for hot-dip coating of Galfan alloy on the pipe;

the second subsystem can coat the pipe which is hot-dipped with Galfan alloy with an aluminum-rich epoxy resin coating;

the third subsystem can coat the pipe which is hot-dipped with Galfan alloy with a nylon coating;

the fourth subsystem is capable of winding and cutting tubing;

the first subsystem is provided with an output end with adjustable direction, and the output end of the first subsystem can be connected with any one of the second subsystem, the third subsystem and the fourth subsystem; the input end of the fourth subsystem can be connected with any one of the first subsystem, the second subsystem and the third subsystem; the second subsystem and the third subsystem comprise a plurality of shared process equipment.

Further, the first subsystem includes a flaw detection device having three adjustable outputs, the outputs of the flaw detection device being connectable with any of the second, third, and fourth subsystems.

Further, the fourth subsystem includes a tertiary traction device having three adjustable inputs, an output of the tertiary traction device being connectable with the second subsystem, the third subsystem, and the inspection device.

Further, the second subsystem and the third subsystem comprise a common curing device, and the curing device is provided with two adjustable input ends; in the second subsystem, one input end of the curing device is connected with the flaw detection device through a device for coating aluminum-rich epoxy resin; in the third subsystem, the other input end of the curing device is connected with the flaw detection device through a primer coating device.

Further, the second subsystem and the third subsystem comprise a common water cooling unit, and the water cooling unit can be used for water-cooling the pipe; the water cooling unit is provided with two adjustable input ends, and in the second subsystem, one input end of the water cooling unit is directly connected with the curing equipment; in the third subsystem, the other input end of the water cooling unit is connected with the curing equipment through nylon coating equipment.

Furthermore, the water cooling unit is provided with two adjustable output ends, and in the second subsystem, one output end of the water cooling unit is directly connected with the tertiary traction equipment; in the third subsystem, the other output end of the water cooling unit is connected with the third traction equipment through coating thickness measuring equipment.

Furthermore, the water cooling unit comprises two water cooling devices arranged in parallel, the two water cooling devices are respectively used for containing hot water and cold water, and the pipe can be cooled by the hot water firstly and then cooled by the cold water.

Furthermore, switchable code spraying equipment is arranged on the fourth subsystem, and the code spraying equipment acts on the nylon coating of the pipe.

Further, the first subsystem further comprises a secondary traction device and a rotary straightening device, wherein the secondary traction device comprises two adjustable output ends; one output end of the secondary traction equipment is directly connected with the flaw detection equipment, and the other output end of the secondary traction equipment is connected with the rotary straightening equipment.

Furthermore, the rotary straightening equipment is provided with two adjustable output ends, one output end of the rotary straightening equipment is directly connected with the flaw detection equipment, and the other output end of the rotary straightening equipment is sequentially connected with the flaw detection equipment through passivation equipment and hot air drying equipment.

Compared with the prior art, the utility model discloses the beneficial effect who has does:

the utility model discloses a three-way unification's car tubular product production system merges the production technology and the production line of Golgin pipe (Galfan pipe), rich aluminium epoxy coating pipe (Algal pipe) and compound coating idiocratic pipe (Nygal pipe), to the same process steps, then shared equipment and production line process, can practice thrift the factory building space, improves the integrated level of production line, reduces equipment quantity, reduces the maintenance degree of difficulty and cost. For different process steps, the guide device is utilized to convert the path of the pipe, and a specialized process is completed on different stations, so that the production and processing of different pipes are finally realized.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic structural diagram of a production system provided by the present invention;

FIG. 2 is a schematic diagram of the original Golgin tube (Galfan tube) of the present invention;

FIG. 3 is a schematic diagram of the process route of the original aluminum-rich epoxy resin coated pipe (Algal pipe) of the present invention;

FIG. 4 is a schematic diagram of the process route of the original composite coated embryonic tube (Nygal tube) of the present invention;

FIG. 5 is a schematic diagram of a process route provided by the present invention;

in the figure, a traveling crane 11, a crimping machine 12, a straightening roller system 13, a first belt tractor 14, an alkaline washing tank 15, a first rinsing tank 16, a pickling tank 17, a second rinsing tank 18, a first drying box 19, an induction heater 20, an infrared thermometer 21, a zinc melting tank 22, a third rinsing tank 23, a fourth rinsing tank 24, a second belt tractor 25, a rotary straightening machine 26, a passivation tank 27, a second drying box 28, an eddy current flaw detector 29, a primer tank 30, a coating device 31, an extruder 32, a curing furnace 33, a fifth rinsing tank 34, a sixth tank 35, a coating thickness measuring instrument 36, a third belt tractor 37, a diameter measuring instrument 38, an ink-jet printer 39 and a lap former 40.

Detailed Description

The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of this application, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit its scope.

In the three-in-one automobile pipe production system in the embodiment, production lines of a Golgi pipe (Galfan pipe), an aluminum-rich epoxy resin coating pipe (Algal pipe) and a composite coating blank pipe (Nygal pipe) are combined, and for the same process steps, shared equipment is used for processing, so that the workshop space can be saved, the integration level of the production lines is improved, the number of the equipment is reduced, and the maintenance difficulty and cost are reduced. For different process steps, the traction roller is utilized to convert the path of the pipes between the devices, and the corresponding devices are arranged on different stations, so that the production and the processing of different pipes are finally realized.

It should be noted that: each equipment is provided with only one inlet and one outlet, a plurality of pipe passing paths communicated with the inlets or the outlets can be arranged by means of the guide rollers, and the pipes can be driven to be communicated with the corresponding passing paths by controlling the operation of the reversing device, so that different processing treatments on the pipes are realized. The reversing device is a movable roller set, and the rollers in the roller set are driven to change positions by devices such as a linear guide rail, a lead screw nut pair and an air cylinder to form a plurality of channels, so that the pipe output from a specific device can be communicated with different devices by means of different channels. In addition, the reversing device can also be a rotatable guide groove body, one end of the guide groove body is connected with an outlet of the equipment, a rotating shaft is arranged at the outlet of the guide groove body and can rotate around the rotating shaft, the outlet of the guide groove body can be aligned to different equipment, and switching of pipe paths is achieved.

Referring to fig. 1 and 5, in the embodiment of the three-in-one automobile pipe production system, the first subsystem operates by using the following process method:

feeding:

(1) and moving the lifting hook of the travelling crane 11 to be right above the charging tray pipe, and lifting one coil at a time.

(2) The coil pipes are uniformly and firmly bundled by 3 nylon ropes, and the bundled nylon ropes are hung in a crane hook.

(3) When lifting, an operator operates the crane remote controller with one hand and lightly holds the coil pipe with the other hand, so that the coil pipe is kept in a balanced state in the process from lifting to uncoiling.

(4) And removing the strapping tape after the feeding is finished, and straightening the inner ring and the outer ring of the coil pipe, wherein the pipe end is not wound.

(5) Leading out the end heads of the inner and outer rings of the coil pipe, cutting off the twisted pipe head at the pipe end by using a rotary cutter, ensuring that the pipe of the inner ring can be inserted into the pipe diameter after necking, and straightening the pipe end.

(6) And introducing one end of the outer ring of the coil pipe into a guiding device of the uncoiler to a station of the necking machine.

Taking over:

(1) and (3) after the other end of the outer ring of the coil pipe is led out to a working position of a necking machine, necking is carried out on the necking machine, the length is about 60mm, and preparation is carried out before a connecting pipe is made.

(2) When one end of the other coiler passes through the uncoiler, the pipe end passes through the pipe breakage annunciator, the clamping device can automatically clamp the pipe and give an alarm, and the pipe stops running.

(3) Under the action of a crimping machine 12, the necking end of the previous coil is inserted into the pipe body of the next coil, two indentations are sequentially crimped at the overlapped part (60-70 mm) of the two pipes, the distance between the two indentations is 5-10mm, each section is crimped once, a foot-operated air switch is stepped on and stays for 1-2 seconds, and then the maximum outer diameter of each indentation is not more than 0.2mm.

The end-to-end connection of the pipes of different rolls forms a linearly extended pipe fitting body, can facilitate the assembly line processing of the pipes, and greatly improves the production efficiency.

Pre-straightening:

(1) firstly, all the rollers of the straightening roller system 13 are loosened through adjusting screws, and the guide roller and the straightening roller are replaced according to the diameter of the pipe. The pipe still bent after passing through the uncoiler can be straightened by utilizing the guide roller and the straightening roller.

(2) And (4) drawing the pipe to slowly pass through the straightening roller system, and then adjusting the adjusting screw to slowly press the roller of the straightening roller system on the pipe.

(3) And measuring the front and rear roundness sizes of the straightening roller system by using a micrometer and observing the surface of the pipe, wherein the surface of the pipe is required not to be damaged, and if the requirements are not met, adjusting an adjusting screw of the roller system.

Primary traction:

(1) the first belt tractor 14 is used for driving and dragging the pipe to provide moving power for the pipe.

Alkali washing:

(1) the alkaline washing tank 15 was used as a carrier, the heating device of the alkaline washing tank 15 was started, and the temperature of the solution was raised to 55. + -.5 ℃.

(2) And starting a circulating pump, injecting alkali liquor in the lower tank into the spray pipe of the upper tank, performing alkali washing on the pipe, and washing off possible oil stains on the surface of the pipe.

It should be noted that: the pH value of the tank liquor needs to be measured once every day, and when the pH value of the tank liquor is less than 12, a proper amount of component substances are added into the alkaline washing tank 15 according to the formula, so that the pH value is more than or equal to 12. If the foam on the surface of the alkali liquor is too much, a small amount of defoaming agent can be added into the tank, and the floating oil on the liquid surface of the tank liquor needs to be cleaned once a week, so that the decontamination capability of the alkali washing tank 15 is always kept in a proper range.

Hot water washing:

(1) the first rinsing bath 16 is used as a carrier, a booster pump is started during production, and the position of the water nozzle seat is adjusted until spray can be sprayed on the surface of the pipe. The high-pressure water nozzle sprays the pipe strongly to wash off alkali liquor on the surface of the pipe. The sprayed spray falls into the rinsing bath again.

It should be noted that: the pH value of the primary water needs to be measured regularly to ensure that the pH value is less than 10, and when the pH value is more than or equal to 10, the water quantity needs to be increased in time. The filter screen of the booster pump needs to be cleaned on time, and the problem that the injection pressure of the high-pressure water nozzle is insufficient due to the blockage of the filter screen is avoided.

Acid washing:

(1) the pickling tank 17 is used as a carrier, acid liquor in the pickling tank 17 is continuously sprayed onto the pipe by using a circulating pump, and the spraying pipe is arranged relative to the advancing direction of the pipe.

In the specific implementation process, the acid solution is prepared by diluting concentrated sulfuric acid, and when the Baume degree of the bath solution is less than 11Beo, a proper amount of concentrated sulfuric acid is added into the pickling bath 17 to ensure that the Baume degree is 12-18Beo.

And (3) cold water washing:

(1) and the second rinsing bath 18 is used as a carrier, and the cleaning liquid in the rinsing bath is conveyed into a spraying pipe by using an electromagnetic valve and an air ring pump, and the spraying pipe sprays the cleaning liquid onto the pipe under pressure.

The cleaning solution is generally at room temperature.

Hot air drying:

(1) the tubing enters the first drying box 19 from one end and passes out the other end, drying the moisture on the surface. An electric heating device and a blower are arranged in the first drying box 19, and the blower blows hot air heated by the electric heating device to dry the surface of the pipe.

Preheating the pipe:

(1) the tube sequentially passes through the induction heater 20 so that the temperature of the tube is maintained within +/-40 ℃ of the temperature of the zinc melting furnace.

Infrared temperature measurement:

(1) before the infrared thermometer 21 is started, the focal length needs to be adjusted, so that the red point of the thermometer is aligned to the center of the pipe, the area of the red point is small as much as possible, and the temperature measurement accuracy is ensured.

It should be noted that: the temperature of the pipe needs to be read on the infrared thermometer 21 at regular time, and if the pipe fluctuates, the induction heater 20 should be adjusted in time, so that the temperature of the pipe is kept within a preset range. And the lens of the thermometer needs to be cleaned regularly to wipe dirt on the lens, so as to prevent the infrared thermometer 21 from being invalid.

Hot-dip Galfan alloy:

(1) the electric heater of the zinc melting tank 22 is started in advance by using the zinc melting tank 22 as a carrier, and the temperature of the molten liquid is raised to 480 +/-10 ℃.

(2) Checking the liquid level of the melt, and adding a Galfan alloy block to a specified liquid level; and fishing out the surface slag.

(3) Starting the nitrogen making machine and then opening the nitrogen brush; the nitrogen gas air knife pressure in the zinc melting tank 22 is confirmed to be 0.2MPa, and the nitrogen gas flow is adjusted according to the pipe specification, so that the metal is protected from being oxidized.

(4) And the pipe is immersed in the molten liquid to finish hot dipping of the pipe.

Hot water cooling:

(1) the water in the third wash tank 23 was first raised to 70 ℃ using the third wash tank as a carrier.

(2) The pipe is completely soaked in the water body, and the pipe is slowly cooled by using hot water.

Cold water cooling:

(1) the fourth water washing tank 24 is used as a carrier, 0-25 ℃ refrigerating machine circulating water is added into the water washing tank, and the flow of the cooling water is controlled.

(2) The pipe is completely soaked in the water body, and hot water is used for cooling the pipe immediately.

And (3) secondary traction:

(1) setting the speed and pressure of the second belt tractor 25 to ensure that the grooves of the straightening roller and the traction roller R are smooth, clean and free of other impurities; the specifications of the straightening roller and the traction roller are consistent with the production pipe diameter.

The second belt tractor 25 drives the pipe to advance along the guide roller, and provides moving power for the pipe.

So far, the production of the golvan blank tube has been completed, and the tube becomes a basically qualified golvan blank tube, and the tube output from the second belt tractor 25 can be processed subsequently by selecting different paths.

The following are specifically mentioned: two pipe paths are arranged at the outlet of the second belt tractor 25 through a guide roller, the position of the traction roller can be adjusted according to requirements, and pipes are drawn to enter different paths.

After the secondary traction is completed, in the same workshop, the Golgin embryonic tube is branched under the traction of the guide roller, and different process steps are carried out, wherein one path is as follows:

eddy current inspection I:

(1) the eddy current flaw detector 29 receives the tube subjected to the secondary traction from one path, detects a surface crack of the tube, and provides a connecting tube position rejection signal to the cutting station.

And the tube subjected to eddy current inspection is directly conveyed to a fourth subsystem for subsequent processing.

The method also comprises the following branch steps:

rotating and straightening I:

(1) the rotary straightening machine 26 receives the pipe subjected to secondary traction from the other path, after the straightening rubber pipe in the rotary straightening machine 26 is replaced, the distance between the adjusting sleeves at two ends and the adjusting block and the eccentricity of the adjusting block are adjusted according to the pipe diameter of the pipe, and meanwhile, the adjusting sleeves and the fastening nuts of the adjusting blocks are screwed.

(2) The pipe discharged from the secondary drawing process passes through the rotary leveler 26, and the straightness of the pipe is improved.

And (3) eddy current flaw detection II:

(1) the eddy current flaw detector 29 in the eddy current flaw detection I process is used for detecting the pipe, so that the pipe is ensured to have no flaw and flaw, and meanwhile, a connecting pipe position eliminating signal is provided for a cutting station. It should be noted that: a second input of the eddy current flaw detector 29 communicates with the rotary straightener 26 through a pipe path.

The second output end of the eddy current flaw detector 29 is communicated with a second subsystem, and the second subsystem is operated by adopting the following process method:

coating aluminum-rich epoxy resin:

(1) and adjusting a guide positioning roller in front of the coating device 31, locking an adjusting handle after the pipe is positioned in the center of the dip-coating pipe, and spraying epoxy resin onto the pipe by using a nozzle to spray, thereby finishing coating spraying.

(2) The annular gas scraper after dip-coating the pipe is adjusted to enable the pipe to be positioned at the center of the annular gas scraper, the center of the annular gas scraper is kept coincident with the running axis of the pipe, the coating is prevented from being scratched, and the coating is uniform.

(3) The viscosity of the primary aluminum-rich epoxy resin was measured periodically in DIN4# cups and adjusted to a value in the range of 25-30 seconds with a suitable diluent.

It should be noted that: the level of the aluminum-rich epoxy resin in the lower tank of the coating device 31 needs to be checked at any time; if the depth of the liquid level tank body is 1/3 of the depth of the liquid level tank body, the tank body is replenished with the coating in time.

Before production, checking whether the nozzle, the air scraper and the air inlet pipe opening are smooth or not; otherwise, cleaning in time until the liquid is smooth; the filter screen in the coating station is checked to see if it is clean, if the adhering resin is more, it should be replaced immediately.

Curing I:

(1) and starting a heating device of the curing oven 33 by taking the curing oven 33 as a carrier, opening a corresponding cooling and air exhausting system, and driving the pipe to pass through the curing oven 33.

(2) The curing oven 33 controls the temperature of the tube passing through the curing oven 33 to be 240 + -10 deg.C.

Hot water cooling and cold water cooling i:

(1) the fifth washing tank 34 and the sixth washing tank 35 are arranged side by taking the washing tanks as carriers, the water temperature in the tank body for hot water cooling is 100 ℃, and the water temperature in the tank body for cold water cooling is 10-25 ℃.

(2) The liquid level in the tank body is maintained within a set range, so that the pipe is completely soaked under the liquid level.

And (3) the pipe subjected to hot water cooling and cold water cooling I treatment becomes an aluminum-rich epoxy resin coating blank pipe, and the aluminum-rich epoxy resin coating blank pipe is input into the fourth subsystem, so that the qualified aluminum-rich epoxy resin coating pipe is prepared.

In the first subsystem, the spin straightener 26 has an output connected to the passivation device and the following steps are used in this path.

And (3) rotating and straightening II:

(1) firstly, the straightening rubber tube in the rotary straightening machine 26 is replaced, the distance between the two end adjusting sleeves and the adjusting block and the eccentricity of the adjusting block are adjusted according to the pipe diameter of the pipe, and meanwhile, the adjusting sleeves and the fastening nuts of the adjusting block are screwed.

(2) The pipe material discharged from the secondary drawing step passes through the rotary leveler 26, and the straightness of the pipe material is improved.

Passivation:

(1) the passivation tank 27 is used as a carrier, the passivation agent is put into the passivation tank 27, and the passivation solution is stirred uniformly.

(2) And (5) immersing the pipe in a passivation solution to complete the passivation treatment on the pipe.

It should be noted that: when the liquid level in the passivation tank 27 is less than 1/2 of the tank volume, the passivating agent and water are added in time according to the proportion of 2%.

Hot air drying:

(1) the pipe enters the second drying box 28 from one end and penetrates out from the other end to dry the moisture on the surface; an electric heating device and a blower are arranged in the drying box 2819, and the blower blows hot air heated by the electric heating device to dry the surface of the pipe.

The pipe material output from the second drying box 28 communicates with the eddy current flaw detector 29 through a third input path of the eddy current flaw detector 29.

And (3) eddy current inspection III:

(1) and an eddy current flaw detector 29 in the eddy current flaw detection I and eddy current flaw detection II process is used for detecting the pipe, so that the pipe is ensured to have no flaw and flaw, and meanwhile, a connecting pipe position eliminating signal is provided for a cutting station.

Primer coating:

(1) the bottom agent tank 30 is used as a carrier, and the bottom agent which is uniformly stirred is added into the bottom agent tank 30 to 2/3 of the tank volume.

(2) The diaphragm pump inputs the primer into the spray pipe, and the spray pipe sprays the primer on the pipe, so that the surface of the pipe is coated with a layer of primer.

Of particular note are: the primer tank 30 is provided with a stirring pump for stirring the primer, and after the primer is sufficiently and uniformly stirred, the viscosity of the primer in the tank is measured by using a viscosity cup (DIN 4 cup). If the viscosity is more than 15 seconds, a small amount of diluent is slowly added into the tank to adjust the viscosity to be within the range of 13-15 seconds.

And (2) curing II:

(1) and (3) taking the curing oven 33 in the process I for curing as a carrier, starting a heating device of the curing oven 33, opening a corresponding cooling and exhausting system, and driving the pipe to pass through the curing oven 33.

(2) The curing oven 33 controls the temperature of the tube material output from the curing oven 33 to 240 + -10 deg.C.

Coating nylon:

(1) starting the extruder 32, controlling the rotating speed at 5-10r/min after the temperature reaches a set value, and extruding the molten nylon into a coating die.

(2) The pipe passes through a coating die, and a nylon coating is bonded on the surface of the primer of the pipe.

It should be noted that: the following methods are generally used to check the coating adhesion:

A. sampling about 600mm, bending at every 150mm position for 180 degrees, then bending and straightening, repeating the steps until the pipe metal layer is broken and the PA layer is not broken, pausing for 60s, then tearing the PA layer, observing the length of the PA layer at the position of the section after stripping, and enabling the stripping length of the coating to be less than or equal to 6mm; each sample was tested in4 quadrants.

B. The pipe is wound on the mandrel for more than 3 circles at 360 degrees, and the outer surface of the pipe bent after the test has no brittle fracture, wrinkling or peeling phenomenon. (the diameter of the mandrel is 3 times of the pipe diameter less than phi 8mm, and the pipe diameter more than or equal to phi 8mm is 6 times of the pipe diameter.

Hot water cooling and cold water cooling II:

(1) the fifth washing tank 34 and the sixth washing tank 35 are arranged side by taking the washing tanks as carriers, the water temperature in the hot water-cooled tank body is 60 ℃, and the water temperature in the cold water-cooled tank body is 10-25 ℃.

(2) The liquid level in the tank body is maintained within a set range, so that the pipe is completely soaked under the liquid level.

Measuring the thickness of the coating:

(1) the thickness of the pipe is measured using a coating thickness gauge 36 to ensure that the thickness of the composite coating is within a specified range.

(2) The thickness of four measuring points on the pipe is detected by using a measuring probe and is input into a computer for thickness estimation.

And (3) the pipe subjected to hot water cooling and cold water cooling II is formed into a composite coating blank pipe, and the composite coating blank pipe is input into a fourth subsystem, so that the qualified composite coating pipe is prepared.

All three produced tubes are conveyed to the fourth subsystem to produce the finished tube.

The fourth subsystem adopts the following process method to operate:

and (3) traction for three times:

(1) and a third belt tractor 37 is used for driving and dragging the blank tube to provide moving power for the tube.

Measuring the outer diameter:

(1) the diameter of the embryonic tube is measured using the diameter gauge 38 to obtain X-Y axis measurements: maximum, minimum, and average.

Coiling/cutting:

(1) the tube passes through the cutter into a lapper 40, which lapper 40 winds the tube onto a coil.

(2) When the pipe is coiled to a certain length (joint), the saw blade of the cutting machine cuts off the blank pipe, and the pipe coil is replaced to continue coiling operation.

The following are specifically mentioned: when the composite coating pipe is prepared, a code spraying process is additionally arranged between the outer diameter measurement process and the coiling/cutting process;

code spraying:

(1) the code spraying machine 39 is arranged on a station between the cutting machine and the diameter measuring instrument 38, and when the composite coating billet tube passes through, the code spraying machine 39 is started to spray corresponding patterns and characters. When the other two kinds of embryonic tubes are passed, the code spraying machine 39 is turned off.

And after the coiling/cutting process is finished, performing a pipe unloading process and performing subsequent operation.

Tube unloading:

(1) the operator records the unloading time, weight and coil number according to the requirement.

(2) And (5) checking according to self-checking items:

it should be noted that: A. appearance: the visual inspection coating has basically consistent appearance color, allows color difference without influencing product quality, and has no bubbling, falling, cracks and mechanical scratches.

B. Outer diameter: the circumferential size of the measuring tube is measured by uniformly taking 3 points at the position which is about 100mm away from the tube end by a micrometer.

And (3) detection:

(1) detecting the thickness of the zinc layer, and debugging the equipment according to the detection result;

(2) measuring the length and the outer diameter of the first and the last products, the binding force of the plating layer and checking the appearance;

(3) the tube unloading operator should check the length, straightness, outer diameter and appearance of the product, and not allow the surface of the coating to have the defects of air bubbles, cracking, demoulding, mechanical flattening, scratching and the like, and the defective product should be clearly identified and placed in a classified manner.

Embodiment mode 1

And (3) starting equipment for producing the Golgin tubes (Galfan tubes) in the first subsystem and the fourth subsystem, and closing equipment on other paths to singly produce the Golgin tubes.

Embodiment mode 2

And starting equipment for producing the aluminum-rich epoxy resin coated pipe (Algal pipe) in the first subsystem, the second subsystem and the fourth subsystem, and closing equipment on other paths to singly produce the aluminum-rich epoxy resin coated pipe.

Embodiment 3

Starting the equipment for producing the composite coating-rich blank tube (Nygal tube) in the first subsystem, the third subsystem and the fourth subsystem, and closing the equipment on stations on other paths to singly produce the composite coating blank tube.

Embodiment 4

The first subsystem operates at high speed to produce Golgin embryonic tubes, which are input to the second, third and fourth subsystems respectively. The shared equipment in the first subsystem, the second subsystem and the third subsystem is used in a staggered mode, the second subsystem and the third subsystem run at a low speed, the fourth subsystem runs at a high speed, and finally three pipes are produced simultaneously.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.

Claims (10)

1. The utility model provides a three-in-one's car tubular product production system which characterized in that includes: the first subsystem, the second subsystem, the third subsystem and the fourth subsystem are used for processing the pipe;

the first subsystem can be used for hot-dip coating of Galfan alloy on the pipe;

the second subsystem can coat the pipe which is hot-dipped with the Galfan alloy with an aluminum-rich epoxy resin coating;

the third subsystem can coat the pipe which is hot-dipped with the Galfan alloy with a nylon coating;

the fourth subsystem is capable of winding and cutting tubing;

the first subsystem is provided with an output end with adjustable direction, and the output end of the first subsystem can be connected with any one of the second subsystem, the third subsystem and the fourth subsystem; the input end of the fourth subsystem can be connected with any one of the first subsystem, the second subsystem and the third subsystem; the second subsystem and the third subsystem comprise a plurality of shared process equipment.

2. The three-in-one automotive tubing production system of claim 1, wherein the first subsystem comprises a flaw detection device having three adjustable outputs, the outputs of the flaw detection device being connectable to any one of the second, third and fourth subsystems.

3. The three-in-one automotive pipe production system according to claim 2, wherein the fourth subsystem comprises a tertiary traction device having three adjustable inputs, and an output of the tertiary traction device is connectable with the second subsystem, the third subsystem and the flaw detection device.

4. The three-in-one automotive tubing production system of claim 3, wherein the second and third subsystems comprise a common curing apparatus having two adjustable inputs; in the second subsystem, one input end of the curing device is connected with the flaw detection device through a device for coating aluminum-rich epoxy resin; in the third subsystem, the other input end of the curing device is connected with the flaw detection device through a primer coating device.

5. The three-in-one automobile pipe production system as claimed in claim 4, wherein the second subsystem and the third subsystem include a common water cooling unit, and the water cooling unit is capable of water cooling pipes; the water cooling unit is provided with two adjustable input ends, and in the second subsystem, one input end of the water cooling unit is directly connected with the curing equipment; in the third subsystem, the other input end of the water cooling unit is connected with the curing equipment through nylon coating equipment.

6. The three-in-one automobile pipe production system as claimed in claim 5, wherein the water cooling unit has two adjustable output ends, and in the second subsystem, one output end of the water cooling unit is directly connected with the third traction device; in the third subsystem, the other output end of the water cooling unit is connected with the third traction equipment through coating thickness measuring equipment.

7. The three-in-one automobile pipe production system as claimed in claim 6, wherein the water cooling unit comprises two water cooling devices arranged in parallel, the two water cooling devices are respectively used for containing hot water and cold water, and the pipe can be cooled by the hot water first and then by the cold water.

8. The three-in-one automobile pipe production system as claimed in claim 7, wherein the fourth subsystem is provided with a switchable code spraying device, and the code spraying device acts on a nylon coating of the pipe.

9. The three-in-one automobile pipe production system according to claim 8, further comprising a secondary traction device and a rotation straightening device, wherein the secondary traction device comprises two adjustable output ends; one output end of the secondary traction equipment is directly connected with the flaw detection equipment, and the other output end of the secondary traction equipment is connected with the rotary straightening equipment.

10. The three-in-one automobile pipe production system as claimed in claim 9, wherein the rotating and straightening device has two adjustable output ends, one output end of the rotating and straightening device is directly connected with the flaw detection device, and the other output end of the rotating and straightening device is sequentially connected with the flaw detection device through a passivation device and a hot air drying device.

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