CN211247199U - Aluminum tube surface resin coating system - Google Patents

Abstract

The utility model relates to a resin coating system on the surface of an aluminum tube. A discharging unit, a cleaning unit, a drying unit, a gluing unit, a heating unit, a resin coating unit, a cooling unit, a pulling unit and a collecting unit are arranged in sequence according to the traveling direction of the aluminum tube. A pipe diameter correction unit is set between the discharge unit and the cleaning unit. The discharge unit adjusts the position and speed of the discharge aluminum pipe according to the position of the aluminum pipe at the pipe diameter correction unit, so as to ensure the aluminum pipe and the pipe discharged from the discharge unit. The aluminum tubes at the diameter correction unit are coaxial and have the same speed. By moving the discharging unit, it ensures that the central axis of the aluminum tube is coaxial with the central axis of the aluminum tube on the production line during the discharging process, so as to reduce the risk of bending, and at the same time, the discharging speed of the aluminum tube is controlled, so that the The speed of the aluminum tube during the discharging process is consistent with the speed of the aluminum tube on the production line, which can reduce the risk of the aluminum tube being stretched, improve the production quality of the aluminum tube, and reduce the occurrence of unqualified products.

Description

Aluminum tube surface resin coating system

technical field

The utility model relates to the technology of replacing copper pipes with aluminum pipes in the manufacturing industry of condensation pipes, in particular to a resin coating system on the surfaces of aluminum pipes.

Background technique

In daily life and industrial production, air conditioners have become an indispensable electrical appliance. Copper tubes are widely used in condensers of air conditioners because of their good thermal conductivity, and copper tubes are relatively expensive metal materials. In order to save costs, in In the field of air-conditioning technology, more and more attention is paid to replacing copper pipes with aluminum pipes.

In the production line of resin coating on the surface of aluminum tubes, the coating process is usually feeding, cleaning, drying, gluing, heating, coating resin, cooling, pulling and recycling, etc., and the feeding process is carried out by a feeder Feeding, the current feeder is generally fixed on the ground and will not move, and the coil on the feeder is large and has a certain thickness. This kind of feeder usually adopts a passive feeding method for feeding. It has a certain stretching effect and will be deformed, and the next step in the feeding process needs to reshape the aluminum tube. The central axis of the aluminum tube is offset back and forth, which causes the equipment of the whole line to shake, the feeding is not smooth, and the stable quality and mass production of the resin coating equipment cannot be guaranteed.

SUMMARY OF THE INVENTION

The technical problem to be solved by the utility model is to provide a resin coating system on the surface of the aluminum tube, which can reduce the pulling effect of traction during the feeding process while ensuring the alignment of the central axis, and improve the stable dose production of the system.

The technical scheme adopted by the utility model to solve the technical problem is as follows: a resin coating system on the surface of an aluminum tube, in which a discharging unit for outputting the aluminum tube and a cleaning unit for cleaning the surface of the aluminum tube are sequentially arranged according to the traveling direction of the aluminum tube , a drying unit for drying the surface of an aluminum tube, a gluing unit for coating the surface of the aluminum tube with glue, a heating unit for heating the aluminum tube, a resin coating unit for coating the surface of the aluminum tube with resin, A cooling unit for cooling the aluminum tube, a traction unit for applying power to the aluminum tube, and a collecting unit for collecting the aluminum tube, a tube for shaping the surface of the aluminum tube is arranged between the discharging unit and the cleaning unit Diameter correction unit, the discharge unit adjusts the position and speed of the aluminum tube according to the position of the aluminum tube at the tube diameter correction unit, so as to ensure that the aluminum tube discharged from the discharge unit is coaxial with the aluminum tube at the tube diameter correction unit. Same speed.

More specifically, the discharging unit includes a fixed base, a discharging support set on the fixed base, and a rotatable feeding tray assembly set on the discharging support, between the fixed base and the discharging support. A horizontal moving component is set, a lifting component is set on the discharging bracket, the feeding tray component is set on the lifting component, and the feeding tray component includes a feeding rotating shaft, a feeding tray arranged on the feeding rotating shaft, and a driving feeding For the speed control assembly with the rotating shaft rotating, a discharge controller is set beside the fixed base, and a tension sensor for detecting the tension of the aluminum tube is set on the discharge bracket; The encoder for detecting the coaxiality, the tension sensor and encoder are connected with the discharge controller, and the discharge controller drives the horizontal moving component, the lifting component and the speed regulating component to move to achieve coaxial and same-speed conveying .

More specifically, the horizontal moving assembly includes a first screw rod disposed on the fixed base, a first screw rod nut disposed on the first screw rod, and a first motor that drives the first screw rod to rotate. There is a first sliding rail on the fixed base of the machine, a first sliding plate is arranged on the first sliding rail, the first screw nut is fixed on the first sliding plate, and the first sliding plate is fixed on the discharging on the stand.

More specifically, the lifting assembly includes a lifting frame arranged on the top of the discharging bracket, a lifting plate arranged in the lifting frame, and a driving device driven to move up and down on the lifting plate, and the driving device includes a lifting frame arranged on the lifting frame. The second lead screw on the second lead screw, the second lead screw nut arranged on the second lead screw, and the second motor that drives the second lead screw to rotate, the lifting frame is provided with a second slide rail, and the A second sliding plate is arranged on the second sliding rail, the second screw nut is fixed on the second sliding plate, and the second sliding plate is fixed on the lifting plate.

More specifically, the pipe diameter calibration unit includes a calibration oil tank, a calibration die assembly arranged inside the calibration oil tank, and the calibration die assembly includes two calibration positioning plates fixed between two side walls of the calibration oil The calibration molds on the two calibration and positioning plates are provided with calibration and positioning holes on both of the calibration and positioning plates, the calibration molds are inserted into the calibration and positioning holes for positioning, and the calibration and positioning holes limit the calibration molds during calibration. Movement in the radial direction of the positioning hole.

More specifically, the two calibration positioning plates are respectively a first calibration positioning plate and a second calibration positioning plate, the calibration positioning holes on the first calibration positioning plate are cylindrical through holes, and the second calibration positioning plate The calibration positioning hole on the board is a step through hole, the shape of the calibration mold is a column, the calibration mold is inserted into the step through hole after passing through the cylindrical through hole, and the calibration mold is stuck in the step through hole. on the steps.

More specifically, the cleaning unit includes a cleaning tank, a cleaning component disposed in the cleaning tank, and a cleaning motor, and the cleaning component includes a cleaning bracket, a brush group disposed on the cleaning bracket, and a motor for driving the brush group to rotate. A gear group and a spray head group for spraying water, the cleaning motor is arranged outside the cleaning tank, the cleaning motor drives the gear group arranged in the cleaning tank to rotate through a belt, and the brush group includes three Arranged brushes, the aluminum tube passes through the middle of the three brushes and is in contact with the three brushes.

More specifically, the gluing unit includes a gluing rack, a glue applying groove and a glue recycling groove arranged on the gluing frame, and the glue applying groove is located in the middle of the glue recycling groove. A glue inlet is arranged on the glue coating tank, glue is arranged in the glue coating tank, and the aluminum tube is completely immersed in the glue.

More specifically, a positioning guide unit is provided between the heating unit and the resin coating unit, and the positioning guide unit includes a positioning guide frame, a plurality of guide roller groups arranged on the top of the positioning guide frame, and a plurality of the The guide roller group is composed of several vertical guide roller groups and several horizontal guide roller groups, and the aluminum tube passes through the vertical guide roller group and the horizontal guide roller group to realize the positioning of the vertical plane of the aluminum pipe.

More specifically, the drying unit dries the surface of the aluminum tube by means of air drying, and the direction of the wind is opposite to the traveling direction of the aluminum tube.

More specifically, the heating unit includes a fan heating device and a high-frequency heating device, and the fan heating device adopts an air-drying method, and the direction of the wind is the same as the traveling direction of the aluminum pipe.

More specifically, the traction unit includes a traction frame, a transverse traction device and a vertical traction device arranged on the traction frame and are arranged in sequence, and the aluminum tube passes through the vertical traction device and the transverse traction device in sequence. .

More specifically, an eddy current flaw detector is arranged between the traction unit and the collection unit.

More specifically, the recycling unit is a collection device that receives the aluminum tube and collects it by crimping.

More specifically, the recovery unit is a pipe ring cutter for cutting and segmenting the aluminum pipe.

The beneficial effect of the utility model is: after using the above-mentioned system, by moving the discharging unit, it can ensure that the central axis of the aluminum tube is coaxial with the central axis of the aluminum tube on the production line during the discharging process, thereby reducing the bending time. At the same time, the discharge speed of the aluminum tube is controlled, so that the speed of the aluminum tube during the discharging process is consistent with the speed of the aluminum tube on the production line, which can reduce the risk of the aluminum tube being stretched, improve the production quality of the aluminum tube, reduce the The emergence of substandard products.

Description of drawings

Fig. 1 is the schematic diagram of the resin coating system on the surface of the aluminum tube of the present invention;

Fig. 2 is the structural representation of the discharging unit of the present utility model;

Fig. 3 is the front view structure schematic diagram of the discharging unit of the present invention;

Fig. 4 is the left-view structural schematic diagram of the discharging unit of the present invention;

Fig. 5 is the structural representation of the pipe diameter correction unit of the present invention;

Fig. 6 is the top-view structure schematic diagram of the pipe diameter correction unit of the present invention;

Fig. 7 is the sectional structure schematic diagram of the pipe diameter correction unit of the present invention;

Fig. 8 is the structural representation of the cleaning unit of the present invention;

9 is a schematic diagram of the exploded structure of the cleaning assembly and the cleaning motor in the cleaning unit of the present invention (excluding the nozzle group);

Fig. 10 is the sectional structure schematic diagram of the cleaning unit of the present invention;

Fig. 11 is the top-view structure schematic diagram of the cleaning unit of the present invention;

Fig. 12 is the structural representation of the drying unit of the present utility model;

Fig. 13 is the structural representation of the gluing unit of the present invention;

Fig. 14 is the top-view structure schematic diagram of the gluing unit of the present invention;

Fig. 15 is the three-dimensional structure schematic diagram of the gluing unit of the present invention;

Figure 16 is a three-dimensional schematic diagram of the positioning and guiding unit of the present invention;

17 is a schematic top view of the positioning and guiding unit of the present invention;

Figure 18 is a three-dimensional schematic diagram of the traction unit of the present invention;

FIG. 19 is a schematic view of the front structure of the traction unit of the present invention.

In the figure: 1, discharge unit; 2, pipe diameter correction unit; 3, cleaning unit; 4, drying unit; 5, gluing unit; 6, heating unit; 7, positioning guide unit; 8, resin coating unit; 9. Cooling unit; 10. Traction unit; 100, Eddy current flaw detector; 200, Pipe ring cutting machine; 300, Receiving device; 400, Traction speed sensor;

Detailed ways

The present utility model will be described in detail below in conjunction with the accompanying drawings.

As shown in FIG. 1 , a resin coating system on the surface of an aluminum tube is provided with a discharging unit 1 for outputting the aluminum tube 600, a cleaning unit 3 for cleaning the surface of the aluminum tube 600, and a drying unit according to the traveling direction of the aluminum tube 600. A drying unit 4 for the surface of the aluminum tube 600, a gluing unit 5 for coating the surface of the aluminum tube 600 with glue, a heating unit 6 for heating the aluminum tube 600, and a resin coating for coating the surface of the aluminum tube 600 with resin The unit 8, the cooling unit 9 for cooling the aluminum tube 600, the pulling unit 10 for applying power to the aluminum tube 600, and the collecting unit for collecting the aluminum tube 600 are provided between the discharging unit 1 and the cleaning unit 3 for For the tube diameter correction unit 2 for shaping the surface of the aluminum tube 600, the discharge unit 1 adjusts the position and speed of the discharge aluminum tube 600 according to the position of the aluminum tube 600 at the tube diameter correction unit 2, so as to ensure the aluminum tube discharged by the discharge unit 1. 600 is coaxial with the aluminum pipe 600 at the pipe diameter correction unit 2 and has the same speed.

Based on the above structure, a positioning and guiding unit 7 can be provided between the heating unit 6 and the resin coating unit 8 for supporting, positioning and guiding the aluminum tube 600 during long-distance transportation; An eddy current flaw detector 100 is arranged between the collection units to detect the damage inside the aluminum tube 600; the above-mentioned collection unit can have two forms. After the aluminum pipe 600 is coiled, the second type is processed into a straight pipe of fixed size, which can be operated by the pipe ring cutting machine 200 to cut the pipe into straight pipes of the same or different sizes.

The process of the above structure is as follows: firstly, the coiled aluminum tube 600 is unwound to the pipe diameter correction unit 2 through the unwinding unit 1. In order to improve the traction force, a traction unit can be set between the unwinding unit 1 and the pipe diameter correction unit 2 The aluminum tube 600 enters the pipe diameter correction unit 2 to trim and reshape its pipe diameter, and the shaped aluminum tube 600 enters the cleaning unit 3 to clean the surface of the aluminum tube 600; after the cleaning is completed, it enters the drying unit 4, The drying unit dries the surface of the aluminum tube 600 by air-drying. The direction of the wind is opposite to the traveling direction of the aluminum tube 600. The purpose is that the glue in the next gluing process can better adhere to the surface of the aluminum tube 600 and is not easy to fall off; after that, enter the The glue coating unit 5 evenly coats a layer of glue on the surface of the aluminum tube 600; then enters the heating unit 6, which includes a fan heating device 61 and a high-frequency heating device 62. The fan heating device 61 has the same structure as the drying unit 4. When the installation direction of the fan heating device 61 is opposite to the installation direction of the drying unit 4, the fan heating device 61 adopts an air drying method, and the direction of the wind is the same as the traveling direction of the aluminum pipe 600. The fan heating device 61 preheats the adhesive layer, so that the aluminum The tube 600 is preheated to about 100°C, and then the high-frequency heating device is used for secondary heating, so that the aluminum tube 600 is heated to between 190°C and 250°C, in order to make the adhesive layer in the liquid phase to facilitate resin coating; The guide unit 7 adjusts the position of the aluminum tube 600 so that the position of the aluminum tube 600 will not be shifted into the resin coating unit 8. The resin coating unit 8 is composed of an extruder and a coating device at the head of the extruder. The coating device can be an ordinary laminating machine. After the coating is completed, a resin layer is formed on the surface of the aluminum tube 600 and enters the cooling unit 9; The water ensures that the water temperature in the cooling unit 9 is not too high, and the moving direction of the circulating water can be opposite to the traveling direction of the aluminum tube 600; then the aluminum tube 600 enters the pulling unit 10, which passes through the lateral pulling device 102 and the vertical direction. The traction devices 103 are arranged in sequence, which not only increases the traction strength but also ensures that the shape of the aluminum tube 600 is qualified; and then enters the eddy current flaw detector 100 to detect the damage inside the aluminum tube 600 online. If there is a large area of damage, the production line will be stopped to adjust and repair, and finally enter the receiving unit.

In the above process, some areas need to control the speed. The discharging unit 1 is detected by its built-in tension sensor and controlled by its built-in feeding control unit; A traction speed sensor 400 is provided, where the speed of the aluminum tube 600 is measured to match the traction unit 10 to control the speed of traction; a temperature adjustment speed sensor 500 is set between the high-frequency heating device 62 and the resin coating unit 8, when When the temperature adjustment speed sensor 500 detects that the speed of the aluminum tube 600 increases or decreases, it is necessary to adjust the high-frequency heating device 62 to quickly heat up and cool down; a statistical speed sensor is set at the traction unit 10, where the statistical speed sensor is used to count the aluminum tube. 600 production length.

As shown in FIG. 2, FIG. 3 and FIG. 4, the discharging unit 1 includes a fixed base 11, a discharging bracket 12 arranged on the fixed base 11, and a rotatable feeding tray assembly 13 arranged on the discharging bracket 12. The main function of the feeding unit 1 is to keep the aluminum tube 600 coaxial in the subsequent process and the feeding process, so it is necessary to adjust the position of the feeding tray assembly 13 at all times during feeding, so the fixed base 11 and the feeding bracket 12. A horizontal moving component 14 is arranged between the two for adjusting the position in the horizontal direction, a lifting component 15 is arranged on the discharging bracket 12 for adjusting the position in the vertical direction, and the feeding tray component 13 is arranged on the lifting component 15 and As the lifting assembly 15 moves up and down, a feeding control unit is set beside the fixed base 11, and an encoder for detecting the coaxiality is set in front of the feeding tray assembly 13. The encoder is connected with the feeding control unit. When the encoder detects the feeding process When the central axis of the aluminum tube 600 deviates from the central axis of the aluminum tube 600 at the tube diameter correction unit 2, the discharge controller drives the horizontal moving assembly 14 and the lifting assembly 15 to move to realize coaxial transportation.

The moving assembly 14 includes a first lead screw 141 disposed on the fixed base 11 , a first lead screw nut 143 disposed on the first lead screw 141 , and a first motor 142 that drives the first lead screw 141 to rotate. The first motor 142 Using a servo motor, the first motor 142 drives the first screw 141 to rotate, and the first screw 141 drives the first screw nut 143 to move horizontally; at the same time, the fixed base 11 is provided with a first slide rail 144, the first Two sliding rails 144 are respectively disposed on both sides of the first screw rod 141 , two sides of the first sliding plate 145 are respectively straddling the two first sliding rails 144 , and the first screw nut 143 is fixed on the first sliding plate 135 , the first sliding plate 135 is fixed on the discharging bracket 12 , and the first screw rod 141 can be arranged above the first sliding plate 145 or below the first sliding plate 145 as required.

The lifting assembly 15 includes a lifting frame 151 arranged on the top of the discharging bracket 12 , a lifting plate 152 arranged in the lifting frame 151 , and a driving device that drives the lifting plate 152 to move up and down. The screw 153, the second screw nut 154 arranged on the second screw 153 and the second motor 155 driving the second screw 153 to rotate, the second screw 153 is placed vertically, the second motor 155 is a servo motor and It is arranged at the top of the lifting frame 151; the lifting frame 151 includes four lifting guide columns 1511 fixed on the discharging bracket 12 and a lifting fixing plate 1512 located on the top of the four lifting guide columns 1511. The four lifting guide columns 1511 are respectively arranged at On the four corners of the lifting and fixing plate 1512, the second motor 155 is arranged on the lifting and fixing plate 1512. The rotating shaft of the second motor 155 passes through the lifting and fixing plate 1512 and is connected to the second screw rod 153. Between the guide posts 1511 and can slide on the four lift guide posts 1511, on the four corners of the lift plate 152 are installed guide sleeves to cooperate with the lift guide posts 1511; the lift frame 151 is provided with a second slide rail 156, Two second sliding rails 156 are respectively disposed on both sides of the second screw rod 153 and fixed on the lifting guide column 1511 , and a second sliding plate 157 is arranged on the second sliding rail 156 , and the two sides of the second sliding plate 157 span Between the two second sliding rails 156, the second screw nut 154 is fixed on the second sliding plate 157, the second sliding plate 157 is fixed on the lifting plate 152, the second sliding plate 157 moves up and down with the movement of the lifting assembly 15, And drive the lifting plate 152 to move up and down, and the feeding tray assembly 13 is arranged on the lifting plate 152 .

The feeding tray assembly 13 includes a feeding rotating shaft 131, a feeding tray 132 arranged on the feeding rotating shaft 131, and a speed regulating assembly that drives the feeding rotating shaft 131 to rotate. This function; a tension sensor for detecting the tension of the aluminum tube 600 is set on the unwinding bracket 12, the tension sensor is connected to the unwinding controller, and the unwinding controller controls the speed control component to adjust the speed of the feeding shaft 131. The speed control component includes The third motor 133 and the reduction box 134, the third motor 133 is a servo motor; the output end of the reduction box 134 is connected to the feeding shaft 131, and the servo motor drives the feeding tray 132 to rotate during the feeding process, so that the wire of the aluminum tube 600 on the feeding tray 132 is The speed is the same as the line speed on the assembly line to realize active feeding, and the aluminum tube 600 will not be pulled and deformed. Since the linear speed of the aluminum tube 600 will decrease with the use of the aluminum tube 600, it can be fed according to the amount of the aluminum tube 600. The diameter of the specific aluminum tube coil is input to the unwinding controller, and the unwinding controller automatically generates the speed of the servo motor through calculation to achieve the same linear speed. It can also be adjusted in real time through the unwinding controller according to the tension detected by the tension sensor. Line speed of aluminum tube 600.

The above results are all based on a single feeding tray 132 , and further in order to ensure the balance in the feeding process, a feeding tray counterweight 16 is provided on the symmetrical side of the feeding tray assembly 13 .

Further, feeding trays 132 can be provided on both sides of the lifting assembly 15, and the two are counterweights for each other. Both feeding trays 132 have a feeding rotating shaft 131, and in the middle of the two feeding rotating shafts 131 is a reduction box 134. The reduction box 134 There is one input end and two output ends. The input end is connected to the servo motor, and the two output ends are respectively connected to the two feeding shafts 131 in one-to-one correspondence. At the same time, a clutch is set in the reduction box 134. The clutch can be controlled manually or automatically through the discharge controller; in order to flexibly use the feeding trays 132 on both sides, the discharge bracket 12 and the horizontal moving component 14 or the horizontal moving component 14 and the fixed base 11 A material tray reversing component for the rotation of the discharging bracket 12 is arranged between them. The material tray reversing component is a pneumatic indexing plate, which is driven by high-pressure gas and can rotate in multiple directions according to needs. In this scheme, 180 is mainly used. ° reversing operation.

As shown in FIG. 5 , FIG. 6 and FIG. 7 , the pipe diameter calibration unit 2 includes a calibration oil tank 21 and a calibration die assembly 22 arranged inside the calibration oil tank 21 , and a pipe passing hole 24 is opened at both ends of the calibration oil tank 21 , and the pipe passes through The diameter of the hole 24 is larger than the diameter of the aluminum pipe 600, and the aluminum pipe 600 passes through the pipe passing hole 24 and the calibration mold assembly 22. At this time, the calibration mold assembly 22 performs shaping and correction on the aluminum pipe 600, and a seal is provided at the pipe passing hole 24, The lubricating oil 23 is arranged in the calibration oil tank 21. The seal prevents the lubricating oil 23 from flowing out of the calibration oil tank 21 and can also prevent the lubricating oil 23 from flowing out with the movement of the aluminum tube 600. The calibration die assembly 22 includes two fixed to the calibration oil. The calibration positioning plate 221 between the two side walls of the oil tank 21, the calibration mold 222 arranged on the two calibration positioning plates 221, the two calibration positioning plates 221 are arranged in parallel, and the calibration positioning holes are provided on the two calibration positioning plates 221 223 , the correction mold 222 is inserted into the correction positioning hole 223 for positioning, and the correction positioning hole 223 restricts the correction mold 222 from moving in the radial direction of the correction positioning hole 223 .

Based on the above structure, the calibration die assembly 22 is further optimized. The two calibration positioning plates 221 are divided into a first calibration positioning plate 2211 and a second calibration positioning plate 2212. The calibration positioning holes 223 on the first calibration positioning plate 2211 are columns. The calibration positioning hole 223 on the second calibration positioning plate 2212 is a stepped through hole. The calibration mold 222 includes a mold body 2221 and a calibration hole 2222 opened in the middle of the mold body 2221. The mold body 2221 is a cylinder, and the mold body 2221 can be inserted into the cylindrical through hole to the stepped through hole, the step of the stepped through hole acts as a limit, and restricts the continued insertion of the mold body 2221; the mold body 2221 is a clearance fit with the cylindrical through hole and the stepped through hole, which is convenient for installation and disassembly; the installation direction of the mold body 2221 is consistent with the movement direction of the aluminum tube 600. At the same time, during use, it is necessary to ensure that the first calibration positioning plate 2211 is located in front of the second calibration positioning plate 2212, that is, the aluminum tube 600 is positioned through the first calibration. The plate 2211 then passes through the second calibration positioning plate 2212. The large hole of the step through hole faces the position of the first calibration positioning plate 2211. In order to ensure the positioning and fixation of the mold body 2221, a screw can be passed through one side of the step through hole. The mold body 2221 is fixed after the step of the stepped through hole; when the aluminum tube 600 moves, because the mold body 2221 is a clearance fit with the cylindrical through hole and the stepped through hole, the movement of the aluminum tube 600 will cause the mold body 2221 to move with it, and Because the function of the stepped through hole restricts its movement in the forward direction of the aluminum tube 600, and the cylindrical through hole and the stepped through hole limit the movement of the mold body 2221 in its radial direction, the calibration mold 222 will not move up and down. phenomenon, to ensure the quality of the calibration.

Further, the calibration die assemblies 22 can be set into one or more groups as required. In this solution, three sets are set and arranged in sequence. The guaranteed distances between adjacent calibration die assemblies 22 are equal. Since the aluminum tube 600 is entering the calibration die The calibration hole 2222 of 222 may be inclined, so a guide fillet 2223 is set at the entrance of the calibration hole 2222; a connecting slot 224 is set on the calibration positioning plate 221, one end of the connecting slot 224 is connected to the calibration positioning hole 223, and the other end is connected to the calibration positioning hole 223. It communicates with the outside of the calibration positioning plate 221, that is, there is an opening above the calibration positioning hole 223. When the aluminum tube 600 is tilted, a tilting force will be applied to the mold body 2221, causing the mold body 2221 to move upward slightly. If there is no opening, there is It may cause internal damage to the bending of the aluminum tube 600 and affect the quality, and the provided opening has a certain elasticity, which can accommodate small movements there, and can return to its position through elastic rebound; because the aluminum tube 600 is easy to There is an inclination, so three sets of correction die assemblies 22 are provided, which can better achieve the correction effect.

The sealing element includes a first sealing cover 25 disposed inside the calibration oil tank 21 and covering the pipe passing hole 24. A sealing hole is opened on the first sealing cover 25, and the sealing hole is the passing hole of the aluminum pipe 600. A rubber oil seal plate 26 is arranged in the cover 25 near the sealing hole. The function of the rubber oil seal plate 26 is to prevent the lubricating oil from flowing out by itself, to prevent the lubricating oil from flowing out with the aluminum pipe 600, and to scrape the lubricating oil from the aluminum pipe 600. At the same time, the first sealing cover 25 can store the scraped lubricating oil.

The calibration oil tank 21 includes a first box body 211 and a first cover body 212 arranged on the first box body 211 . The upper part of the first cover body 212 is a first handle 213 , and the lower part is a positioning block matched with the first box body 211 . The positioning block enables the first cover body 212 to quickly locate the first box body 211 and cover the first box body 211 to prevent the lubricating oil 23 from splashing out from the inside of the first box body 211; The fixing end 214 is in the shape of a long strip and has a plurality of fixing holes 215 evenly arranged. The screws pass through the fixing holes 215 to fix the first box body 211 on the rack.

As shown in FIG. 8 , FIG. 9 , FIG. 10 and FIG. 11 , the cleaning unit 3 includes a cleaning tank 31 , a cleaning component 32 disposed in the cleaning tank 31 , and a cleaning motor 33 . The brush group 322, the gear group 323 that drives the brush group 322 to rotate, and the nozzle group 324 that sprays water, the cleaning motor 33 is arranged outside the cleaning tank 31, and the cleaning motor 33 is driven by the belt 34. The gear set 323 rotates, the brush set 322 includes three brushes arranged in a zigzag shape, the aluminum tube 600 passes through the middle of the three brushes and is in contact with the three brushes; the cleaning assembly 32 and the cleaning motor 33 are provided with two groups and arranged in sequence, The cleaning assemblies 32 are disposed opposite to each other, and the first cleaning assembly and the second cleaning assembly are respectively arranged according to the movement direction of the aluminum tube 600. The gear set 323 of the first cleaning assembly is close to the input end of the aluminum tube 600, and the gear set 323 of the second cleaning assembly At the output end of the tube 600, when the aluminum tube 600 passes through the interior of the cleaning tank 31, the spray head group 324 of the first cleaning assembly sprays and cleans the input end of the aluminum tube 600, and then is cleaned by the three brushes of the first cleaning assembly, and then the aluminum The tube 600 enters the brush group 322 of the second cleaning assembly for cleaning again, and finally the nozzle group 324 of the second cleaning assembly sprays the output end of the aluminum tube 600 to wash the aluminum tube 600 to improve the cleanliness of the aluminum tube 600 .

The above-mentioned cleaning motor 33 drives the gear set 323 to move, and its structure is that the gear set 323 includes a driven pulley 3231, a main gear 3232 arranged on the driven pulley 3231, and three pinions 3233 arranged next to the main gear 3232. The pinion gears 3233 are respectively connected with the rotating shafts of the three brushes in a one-to-one correspondence; aluminum tube through holes are arranged in the central part of the main gear 3232 and the central part of the driven pulley 3231, and a driving pulley 3234 is arranged on the cleaning motor 33. A belt 34 is set between the 3234 and the driven pulley 3231. The cleaning motor 33 drives the driving pulley 3234 to rotate, which in turn drives the belt 34, the driven pulley 3231, the main gear 3232 and the three pinions 3233 to rotate, thereby driving the three brushes to rotate synchronously. Improve the rotation and cleaning effect; and correspondingly, since the cleaning motor 33 is arranged outside the cleaning tank 31, and the gear set 323 is arranged inside the cleaning tank 31, it is necessary to open a through hole in the cleaning tank 31 for the belt 34 to pass through to realize the force. Transmission; the through hole can be set as one, at this time, the through hole is rectangular, and its height is consistent with the diameter of the driving pulley; the through hole can also be set as two upper and lower, and a single through hole can only pass through a single layer of belt.

Further, in order to prevent the cleaning water from splashing to the gear set 323, a baffle 36 is provided between the gear set 323 and the brush set 322, and the baffle 36 is provided with an aluminum tube through hole and a brush through hole. The rotating shaft passes through the brush through hole and is fixed on the pinion gear 3233 , where the baffle 36 can not only play a role of blocking splashes, but also support the gear set 323 and the brush set 322 .

The nozzle group 324 includes a water inlet main pipe 3241, a water inlet branch pipe 3242 arranged on the water inlet main pipe 3241, and a nozzle 3243 arranged on the water inlet branch pipe 3242. The bottom and upward extend through the bottom of the cleaning tank 31. The water inlet branch pipe 3242 is a horizontally arranged pipeline located at the bottom of the cleaning tank 31. Several openings are arranged on the water inlet branch pipe 3242, and the universal pipe is installed on the opening. Orient its spout to any direction of the aluminum tube 600 .

The purpose of providing the cleaning tank 31 in this solution is to prevent water splashing due to spray washing, and its structure is that the cleaning tank 31 includes a tank body, a second cover body 37 arranged above the tank body, and a second cover body 37 arranged on the second cover body 37. The handle 38, the second cover 37 can be separated from the tank by the second handle 38, which can be repaired and observed. The second cover 37 is made of transparent plastic, and aluminum pipe through holes are arranged at both ends of the tank , There is a first drainage port 39 on the bottom surface of the tank body, the first drainage port 39 can discharge the used water, and the first drainage port 39 can be directly discharged into the sewer through a drainage pipe.

Further, in order to prevent the cleaning water from moving out with the aluminum tube 600 and at the same time to remove the excess water on the aluminum tube 600, a second sealing cover 310 is set on the through hole of the aluminum tube, a sealing hole is opened on the second sealing cover 310, and the aluminum tube After 600 passes through the sealing hole, it enters the aluminum pipe through hole, and a rubber liquid sealing plate is set at the position of the second sealing cover 310 near the sealing hole to remove excess water; the water scraped by the rubber liquid sealing plate will accumulate in the second sealing cover. In the sealing cover 310, a second drainage port is provided at the bottom of the second sealing cover 310, and the second drainage port communicates with the cavity of the tank. The water accumulated in the sealing cover 310 flows into the cavity of the tank through the second drainage port, and will follow the The sprayed water is discharged through the first drain port 39 .

As shown in FIG. 12 , the drying unit 4 includes a drying rack 41 and an aluminum pipe passing pipe 42 arranged on the drying rack 41 . The aluminum pipe 600 passes through the center of the aluminum pipe passing pipe 42 . Move, set a blowing duct 43 on the aluminum tube passing duct 42. The blowing duct 43 can be set at any position around the aluminum tube passing duct 42, that is, it can be set at the top, bottom, front and rear positions of the aluminum tube passing duct 42. The end of the blowing duct 43 is connected to a blower 44, the blower 44 is turned on and the air enters the aluminum pipe through the pipe 42 along the blowing duct 43, the blowing duct 43 is set to be inclined, the aluminum pipe is horizontal through the pipe 42, and the blowing duct is at the same time. The included angle between 43 and the aluminum pipe passing pipe 42 is 15° to 45°. In this solution, the preferred angle is 30°. At this angle, the blowing pipe 43 can not only better contact the aluminum pipe 600, but also The wind can be quickly discharged and the drying effect can be improved; further, a spiral air deflector is arranged on the inner wall of the aluminum pipe passing through the pipe 42. The setting of the spiral air deflector must ensure that the aluminum pipe 600 in the middle passes smoothly, and the wind passes through the spiral air deflector. It can be in contact with the aluminum tube 600 for many times, and the direction of the incoming wind is opposite to the moving direction of the aluminum tube 600, which can make full use of the wind for drying and improve the utilization rate of the wind.

Based on the above structure, in order to further improve the drying effect, a heating device 45 is provided on the blowing duct 43 , and the air blown by the fan 44 is heated by the heating device 45 and acts on the aluminum pipe 600 , and a drying controller is installed on the drying rack 41 at the same time. 47. The drying controller 47 can control the fan 44 and the heating device 45. When the fan 44 is turned on, the moisture on the surface of the aluminum pipe 600 can be blown dry, then the fan 44 only needs to be turned on. At this time, the drying controller 47 controls the heating device 45 to turn on to heat the air, so that the fan 44 blows the hot air into the aluminum pipe passing through the pipe 42 .

Due to the characteristics of the material of the aluminum tube 600 itself, it cannot be dried at a relatively high temperature. Therefore, a temperature sensor 48 is provided at the outlet of the blowing duct 43. The temperature sensor 48 is connected to the drying controller 47, and the drying controller 47 is used to control the heating The device 45, the temperature sensor 48 transmits the temperature signal to the drying controller 47, and the drying controller 47 determines whether the temperature is too high. When the drying controller 47 determines that the temperature of the blown air is high, it may have an impact on the aluminum tube 600. , the drying controller 47 controls the heating device 45 to stop heating.

In the drying process, the moving speed of the aluminum tube 600 needs to be considered, so the drying rack 41 is provided with a speed sensor 46, which is connected to the drying controller 47, and the aluminum tube is integrated in the drying controller 47. The ratio of the 600 speed to the blowing speed of the fan 44, the speed of the fan 44 is adjusted according to the speed of the aluminum tube 600, and the fan 44 is a variable frequency fan at this time.

The above drying control method is as follows: first, the speed of the aluminum tube 600 is detected by the speed sensor 46 and the speed signal is transmitted to the drying controller 47, and the speed of the aluminum tube 600 preset in the drying controller 47 and the fan 44 The ratio of the speed calculates the speed of the fan 44, and the drying controller 47 controls the rotation of the fan 44 to blow the aluminum tube 600; when it is found that the moisture on the surface of the aluminum tube 600 has not been blown dry, the drying controller 47 manually or automatically controls the heating device 45. Start heating and blow out hot air for drying. At this time, the temperature sensor 48 detects the temperature of the blown hot air and transmits the detected temperature signal to the drying controller 47. The drying controller 47 uses the temperature signal with the preset temperature threshold. By comparison, if it is found that the temperature threshold value is exceeded, the drying controller 47 controls the heating device 45 to stop heating to lower the temperature.

Since there are many types of dry aluminum pipes 600 according to their diameters, the minimum diameter of the currently used aluminum pipe 600 is 6.3mm and the maximum diameter is 15.88mm, so the diameter of the selected aluminum pipe passing through the pipe 42 is between 40mm and 60mm. According to the diameter of the aluminum pipe 600, select the diameter of the aluminum pipe passing through the pipe 42, or directly select the maximum pipe diameter, which can be suitable for the processing of all diameters of aluminum pipe 600; according to the diameter of the aluminum pipe 600, a constant power fan can be used, corresponding to 40W respectively. Or 80W.

As shown in FIG. 13 , FIG. 14 and FIG. 15 , the gluing unit 5 includes a gluing frame 51 , and a glue applying assembly arranged on the gluing frame 51 . The glue coating groove 52 on the 600 and the glue recycling groove 53 for recycling glue. The glue coating groove 52 is located in the middle of the glue recycling groove 53, and the coating through holes 54 are set on both sides of the glue coating groove 52. Recycling through holes 55 are provided on both sides of the groove 53, and the aluminum tube 600 sequentially passes through the first recycling through hole, the first coating through hole, the second coating through hole and the second recycling through hole, A glue inlet 56 is arranged on the glue application tank 52, and glue is arranged in the glue application tank 52. The glue is injected into the glue application tank 52 from the glue inlet 56 until it is filled and the aluminum tube 600 is completely immersed in the glue. The overflow flows from the top of the glue coating groove 52 into the glue recovery groove 53. Multiple overflow holes can also be provided on the glue coating groove 52. At the same time, it is ensured that the position of the overflow holes is higher than the position of the aluminum pipe 600, which is convenient for the aluminum pipe. 600 is completely immersed in the glue; a third sealing cover 58 is provided on the coating through hole 54, the third sealing cover 58 is also provided with a hole for the aluminum tube 600 to pass through, and the third sealing cover 58 has a sealing effect so that the glue Can not flow out from the coating through hole 54, a sponge is arranged in the third sealing cover 58, the aluminum tube 600 passes through the middle of the sponge, and the sponge can play the effect of coating and can also play the effect of blocking the outflow of glue.

In order to realize the automatic addition of glue, a glue supply groove 59 is set on the gluing rack 51, and a glue feed pipe 510 is provided on the glue inlet 56. There is a vacuum pump 511, and at the same time, a manual valve 514 is set on the glue inlet pipe 510, and the manual valve 514 and the vacuum pump 511 are opened, so that the glue can be input into the glue coating groove 52 through the glue supply groove 59. The glue supply groove 59 can be set in the When the glue application rack 51 is in any position, and the position of the glue supply groove 59 is higher than the glue application groove 52, the vacuum pump 511 may not be used, and the manual valve 514 can be opened directly to allow the glue to enter the glue application groove 52 due to gravity; in this scheme The middle glue supply tank 59 is arranged below the glue application tank 52. When the glue application is stopped, the manual valve 514 is opened and the vacuum pump 511 is closed, so that the excess glue can be returned to the glue supply tank 59 along the glue inlet pipe 510, and further in order to The glue feeding effect and the glue returning effect are better, so the glue inlet 56 is set on the bottom surface of the glue coating groove 52, and the bottom surface of the glue coating groove 52 can be set to be inclined, and the glue inlet 56 is set on the glue coating groove 52. The lowest point of the bottom surface.

Since too much glue enters the glue recovery tank 53, it is inconvenient to recover. Therefore, a glue recovery port 512 is provided on the bottom surface of the glue recovery tank 53, and a recovery pipe 513 is provided on the glue recovery port 512. The recovery pipe 513 is connected to the glue supply. Slot 59, the glue overflowing into the glue recovery tank 53 enters the recovery pipe 513 through the glue recovery port 512, and the glue flows back to the glue supply tank 59 along the recovery pipe 513. Here, the bottom surface of the glue recovery tank 53 is also designed In an inclined shape, the glue recovery port 512 is arranged at the lowest point of the bottom surface of the glue recovery tank 53 .

In the process of applying glue, in order to prevent dust from falling into the glue, a transparent third cover body can be set on the glue application groove 52 or the glue recovery groove 53. The coating tank 52 and the glue recovery tank 53 are completely covered, so the height of the glue application tank 52 is lower than the height of the glue recovery tank 53 first, and the third cover only needs to be covered on the glue recovery tank 53 .

The glue supply can be controlled by automation. It is necessary to have a liquid level sensor in the glue application tank 52, a solenoid valve on the glue inlet pipe 510, and a glue application controller on the glue application frame 51. The control process In order to, first, control the vacuum pump 511 to add glue into the glue application tank 52 through the glue application controller, and the vacuum pump 511 feeds the glue in the glue supply tank 59 from the bottom of the glue application tank 52 through the glue inlet pipe 510, and its liquid level slowly When the liquid level sensor senses that the liquid level is at a high level, the liquid level sensor transmits the signal to the gluing controller, and the gluing controller controls the solenoid valve and the vacuum pump 511 to close, and the gluing operation can be performed at this time; The less it is used, when the liquid level sensor senses that the liquid level is at a low level, the liquid level sensor transmits a signal to the gluing controller, and the gluing controller controls the solenoid valve and the vacuum pump 511 to open to realize the process of automatic gluing.

As shown in FIG. 16 and FIG. 17 , the positioning guide unit 7 includes a positioning guide frame 71 , a positioning guide fixing plate 72 arranged on the top of the positioning guide frame 71 , a number of guide roller groups arranged on the positioning guide fixing plate 72 , and a plurality of guide rollers. The roller groups are arranged in sequence, and several guide roller groups are composed of several vertical guide roller groups 73 and several lateral guide roller groups 74. The number of vertical guide roller groups 73 and horizontal guide roller groups 74 can be set according to the transmission distance. The guide roller group 73 and the lateral guide roller group 74 can be arranged at intervals, that is, the vertical guide roller group 73 and the lateral guide roller group 74 are arranged in sequence, and a horizontal guide roller group 74 is arranged after a vertical guide roller group 73. It can also be arranged in different areas, that is, a certain area is only the horizontal guide roller group 74 or the vertical guide roller group 73, and the aluminum tube 600 passes through the vertical guide roller group 73 and the horizontal guide roller group 74 to realize the vertical plane of the aluminum tube 600. Positioning, in this solution, two lateral guide roller groups 74 are combined with one vertical guide roller group 73, the vertical guide roller group 73 is located between the two lateral guide roller groups 74, and the vertical guide roller group 73 is used to limit For the movement of the aluminum tube 600 in the horizontal direction, the lateral guide roller set 74 is used to limit the movement of the aluminum tube 600 in the vertical direction.

The guide roller group is composed of two guide rollers arranged side by side, the lateral guide roller group 74 is composed of two horizontal guide rollers 741 arranged side by side, and the vertical guide roller group 73 is composed of two vertical guide rollers 731 arranged side by side. The aluminum tube 600 passes through between the two lateral guide rollers 741, between the two vertical guide rollers 731, and between the two lateral guide rollers 741 in sequence; at the bottom of the two lateral guide rollers 741 and the two vertical guide rollers 731 Both are provided with distance adjustment components for adjusting the distance between the two lateral guide rollers 741 or the two vertical guide rollers 731 .

The above-mentioned distance adjustment components have different adjustment structures according to the installation positions of the lateral guide roller group 74 and the vertical guide roller group 73 .

When the distance adjustment assembly is installed at the bottom of the vertical guide roller set 73, the distance adjustment assembly includes a first support frame 732 disposed on the positioning guide fixing plate 72, a screw rod 733 located on the first support frame 732, and a screw rod 733 disposed on the first support frame 733. The nut and the adjusting head 734 arranged at one end of the screw 733. There are two groups of the screw 733, the nut and the adjusting head 734. The two vertical guide rollers 731 are respectively arranged on different nuts in one-to-one correspondence. The screw 733 rotates, and the rotation of the screw 733 drives the nut and the vertical guide roller 731 to move, so as to adjust the distance between the two vertical guide rollers 731 .

Based on the above-mentioned distance adjustment assembly for the vertical guide rollers 731, in order to achieve convenient centering and to adjust the two vertical guide rollers 731 at the same time, the above two screws 733 are designed as one long screw, saving one adjustment head 734, and at the same time It is necessary to divide the screw 733 into two sections, and ensure that the thread directions of the two sections of the screw 733 are opposite, and the two nuts are respectively arranged on the screw 733 with different threads. When the adjusting head 734 is rotated, the screw 733 rotates so that the different threads are opposite The nut is rotated in the direction of rotation, so that the nut moves toward each other with the vertical guide roller 731, which can be approached and separated, and the adjustment is convenient; the distance adjustment components of the two methods can also be used on the horizontal guide roller set 74; in order to achieve quick and convenient adjustment , the first support frame 732 is provided with a first adjustment scale 735, and the two nuts are provided with a first indicator arrow that cooperates with the first adjustment scale 735. The first indicator arrow follows the movement of the nut and can be adjusted on the first adjustment scale Exercise on the 735 for easy indication of distance.

When the distance adjustment assembly is installed at the bottom of the lateral guide roller set 74, the distance adjustment assembly includes a second support frame 742 disposed on the positioning guide fixing plate 72, an adjustment groove disposed on the second support frame 742, and an adjustment groove disposed in the adjustment groove. The two adjusting screws 743 are respectively fixed on different adjusting screws 743. When adjusting, loosen the adjusting screws 743, manually move the horizontal guide rollers 741 to the desired position and then tighten the adjusting screws 743. , this method is relatively simple and can also be applied to the vertical guide roller group 73; at the same time, for the convenience of adjustment, a second adjustment scale is provided on the second support frame 742, and two adjustment screws 743 are provided with the second adjustment scale. The second indicating arrow matched with the scale achieves the purpose of quick adjustment through the second adjusting scale and the second indicating arrow.

As shown in FIGS. 18 and 19 , the traction unit 10 includes a traction frame 101 and a traction device disposed on the traction frame 101 . The traction device includes a lateral traction device 102 and a vertical traction device 103 and are arranged in sequence. The lateral traction device 102 Multiple vertical traction devices 103 can be provided, but they need to be paired and arranged at intervals. In this solution, only one lateral traction device 102 and one vertical traction device 103 are required; the lateral traction device 102 includes a horizontal traction device. The bracket, the lateral traction pair arranged on the lateral traction bracket, and the lateral traction drive assembly that drives the lateral traction pair to rotate. The lateral traction pair of the lateral traction device 102 is placed laterally, so that the generated clamping force is in the up and down direction. The increased clamping force up and down will cause the aluminum tube 600 to deform up and down. In order to ensure the quality of the aluminum tube 600, the deformed aluminum tube 600 needs to be reshaped, so a vertical traction device 103 is added; the vertical traction device 103 includes a vertical traction device 103. To the traction bracket, the vertical traction pair disposed on the vertical traction bracket, and the vertical traction drive assembly that drives the vertical traction pair to rotate, the vertical traction pair of the vertical traction device 103 is placed vertically, so that the generated clamping force For the front and rear direction, the deformed aluminum tube 600 enters between the vertical traction pairs, and the vertical clamping force shapes the deformed aluminum tube 600 .

In the above structure, there are two ways of setting the transverse traction drive assembly and the vertical traction drive assembly. The first one is that the transverse traction drive assembly and the vertical traction drive assembly use two sets of traction drive assemblies. The two sets of traction drive assemblies have the same structure and include a traction motor. And the gear set driven by the traction motor, the two sets of traction drive components are driven respectively corresponding to their respective traction devices. This traction method has strong power, but is controlled by two different traction motors. The synchronization between pairs is poor; second, the horizontal traction drive assembly and the vertical traction drive assembly use the same set of traction drive assemblies, and the rotation of the same traction motor is output to the lateral traction device and the vertical traction device through the gear structure. The synchronous rotation of the lateral traction pair and the vertical traction pair is realized, and the synchronization is good.

In order to be able to adapt to the traction of different pipe diameters, it is necessary to set the lateral traction pair and the vertical traction pair in an adjustable form. The lateral traction device 102 includes a lateral adjustment component for adjusting the distance between the lateral traction pairs. The vertical traction device 103 includes Vertical adjustment assembly for adjusting the distance between vertical traction pairs.

The lateral adjustment assembly includes a first guide column 1023 arranged on the lateral traction bracket and a lateral motor 1024 for driving the lateral traction pair to move. Two first guide columns 1023 are provided to make the movement more stable; the lateral traction pair includes a lateral fixed traction assembly 1021 and The lateral movable traction assembly 1022, the lateral fixed traction assembly 1021 are fixedly arranged at the lower part of the two first guide columns 1023, and the lateral adjustment assembly adjusts the lateral movable traction assembly 1022 to move on the first guide column 1023 to realize the adjustment of the distance between the lateral traction pairs The transverse fixed traction assembly 1021 and the transverse movable traction assembly 1022 have a consistent structure including a transverse driving pulley, a transverse driven pulley and a transverse belt provided on the transverse driving pulley and the transverse driven pulley; the traction motor makes the transverse fixed traction assembly The transverse belt of 1021 rotates in the opposite direction to the transverse belt of transverse movable traction assembly 1022.

The vertical adjustment assembly includes a second guide column arranged on the vertical traction bracket and a vertical motor for driving the vertical traction pair to move. Two second guide columns are arranged to make the movement more stable; the vertical traction pair includes a vertical fixed traction pair. The assembly 1031 and the vertical movable traction assembly 1032, the vertical adjustment assembly adjusts the movement of the vertical movable traction assembly 1032 on the second guide column; the vertical fixed traction assembly 1031 and the vertical movable traction assembly 1032 have a consistent structure including a vertical active pulley , the vertical driven pulley and the vertical belt arranged on the vertical driving pulley and the vertical driven pulley; the traction motor makes the vertical belt of the vertical fixed traction assembly 1031 and the vertical movable traction assembly 1032 vertical Opposite to the direction of belt rotation.

To sum up, the discharging unit 1 can adjust the coaxiality and synchronization of the aluminum tube 600; the tube diameter correction unit 2 can adjust the diameter of the aluminum tube 600 without the phenomenon of mold offset; the cleaning unit 3 uses three sets of brushes to improve the The cleaning effect is improved; the drying unit 4 adopts the inclined air inlet and the wind direction is opposite to the traveling direction of the aluminum tube 600, which further improves the drying effect; The wind direction of the fan heating device 61 is consistent with the traveling direction of the aluminum tube 600, which can not only protect the rubber layer but also perform preheating; the traction unit 10 can not only provide strong traction, but also ensure the external shape; improve the production quality of aluminum tube 600 and reduce the occurrence of substandard products.

It should be emphasized that: the above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model in any form. Modifications still fall within the scope of the technical solution of the present invention.

Claims (15)

1. A resin coating system for the surface of an aluminum pipe is characterized in that a discharging unit (1) for outputting the aluminum pipe (600), a cleaning unit (3) for cleaning the surface of the aluminum pipe (600), a drying unit (4) for drying the surface of the aluminum pipe (600), a gluing unit (5) for coating glue on the surface of the aluminum pipe (600), a heating unit (6) for heating the aluminum pipe (600), a resin coating unit (8) for coating resin on the surface of the aluminum pipe (600), a cooling unit (9) for cooling the aluminum pipe (600), a traction unit (10) for applying power to the aluminum pipe (600) and a collecting unit for collecting the aluminum pipe (600) are sequentially arranged according to the advancing direction of the aluminum pipe (600), a pipe diameter correcting unit (2) for shaping the surface of the aluminum pipe (600) is arranged between the discharging unit (1) and the cleaning unit (3), the discharging unit (1) adjusts the position and the speed of the aluminum pipe (600) discharged by the discharging unit according to the position of the aluminum pipe (600) at the pipe diameter correcting unit (2), and the aluminum pipe (600) discharged by the discharging unit (1) is coaxial with the aluminum pipe (600) at the pipe diameter correcting unit (2) and has the same speed.

2. The aluminum pipe surface resin coating system as recited in claim 1, wherein the discharging unit (1) comprises a fixed base (11), a discharging bracket (12) arranged on the fixed base (11), and a feeding tray assembly (13) which is arranged on the discharging bracket (12) and can rotate, a horizontal moving component (14) is arranged between the fixed base (11) and the discharging bracket (12), a lifting component (15) is arranged on the discharging bracket (12), the feeding disc component (13) is arranged on the lifting component (15), the feeding disc component (13) comprises a feeding rotating shaft (131), a feeding disc (132) arranged on the feeding rotating shaft (131) and a speed regulating component for driving the feeding rotating shaft (131) to rotate, a discharging controller is arranged beside the fixed base (11), and a tension sensor for detecting the tension of the aluminum pipe (600) is arranged on the discharging bracket (12); the feeding tray assembly (13) the place ahead set up the encoder that is used for detecting the axiality, tension sensor, encoder all be connected with the blowing controller, the blowing controller drive horizontal migration subassembly (14), lifting unit (15) and speed governing subassembly motion realize coaxial and with fast the transport.

3. The aluminum pipe surface resin coating system as recited in claim 2, wherein the horizontal moving assembly (14) comprises a first screw rod (141) arranged on the fixed base (11), a first screw rod nut (143) arranged on the first screw rod (141) and a first motor (142) driving the first screw rod (141) to rotate, a first slide rail (144) is arranged on the fixed base (11), a first sliding plate (145) is arranged on the first slide rail (144), the first screw rod nut (143) is fixed on the first sliding plate (145), and the first sliding plate (145) is fixed on the discharge bracket (12).

4. The aluminum pipe surface resin coating system as recited in claim 2, wherein the lifting assembly (15) comprises a lifting frame (151) arranged at the top of the discharging support (12), a lifting plate (152) arranged in the lifting frame (151), and a driving device for driving the lifting plate (152) to move up and down, the driving device comprises a second screw rod (153) arranged on the lifting frame (151), a second screw rod nut (154) arranged on the second screw rod (153) and a second motor (155) driving the second screw rod (153) to rotate, a second sliding rail (156) is arranged on the lifting frame (151), a second sliding plate (157) is arranged on the second sliding rail (156), the second lead screw nut (154) is fixed on a second sliding plate (157), and the second sliding plate (157) is fixed on the lifting plate (152).

5. The aluminum pipe surface resin coating system according to claim 1, wherein said pipe diameter correcting unit (2) comprises a correcting oil tank (21), a correcting die assembly (22) disposed inside the correcting oil tank (21), said correcting die assembly (22) comprising two correcting positioning plates (221) fixed between two side walls of the correcting oil tank (21), and correcting dies (222) disposed on the two correcting positioning plates (221), wherein both of the two correcting positioning plates (221) are provided with correcting positioning holes (223), said correcting dies (222) are inserted into the correcting positioning holes (223) for positioning, and said correcting positioning holes (223) restrict the movement of the correcting dies (222) in the radial direction of the correcting positioning holes (223).

6. The aluminum pipe surface resin coating system as recited in claim 5, wherein the two correcting positioning plates (221) are a first correcting positioning plate (2211) and a second correcting positioning plate (2212), respectively, the correcting positioning hole (223) of the first correcting positioning plate (2211) is a cylindrical through hole, the correcting positioning hole (223) of the second correcting positioning plate (2212) is a stepped through hole, the correcting die (222) is cylindrical, the correcting die (222) passes through the cylindrical through hole and then is inserted into the stepped through hole for positioning, and the correcting die (222) is clamped on the step of the stepped through hole.

7. The aluminum pipe surface resin coating system as recited in claim 1, wherein the washing unit (3) comprises a washing bath (31), a washing unit (32) disposed in the washing bath (31), and a washing motor (33), the cleaning component (32) comprises a cleaning bracket (321), a brush group (322) arranged on the cleaning bracket (321), a gear group (323) for driving the brush group (322) to rotate and a spray head group (324) for spraying water, the cleaning motor (33) is arranged outside the cleaning tank (31), the cleaning motor (33) drives a gear set (323) arranged in the cleaning tank (31) to rotate through a belt (34), the brush group (322) comprises three brushes which are arranged in a triangular shape, and the aluminum pipe (600) is in contact with the three brushes through the middle of the three brushes.

8. An aluminum pipe surface resin coating system as recited in claim 1, wherein said glue applying unit (5) comprises a glue applying frame (51), a glue applying groove (52) provided in said glue applying frame (51), and a glue recovering groove (53), said glue applying groove (52) being located in the middle of said glue recovering groove (53), a glue inlet (56) being provided in said glue applying groove (52), a glue being provided in said glue applying groove (52), and said aluminum pipe (600) being completely immersed in the glue.

9. The aluminum pipe surface resin coating system as recited in claim 1, wherein a positioning guide unit (7) is arranged between the heating unit (6) and the resin coating unit (8), the positioning guide unit (7) comprises a positioning guide frame (71), a plurality of guide roller sets arranged at the top of the positioning guide frame (71), the plurality of guide roller sets comprise a plurality of vertical guide roller sets (73) and a plurality of transverse guide roller sets (74), and the aluminum pipe (600) passes through the vertical guide roller sets (73) and the transverse guide roller sets (74) to realize the positioning of the vertical plane of the aluminum pipe (600).

10. The aluminum pipe surface resin coating system as recited in claim 1, wherein the drying unit (4) dries the surface of the aluminum pipe (600) by air drying in a direction opposite to a traveling direction of the aluminum pipe (600).

11. The aluminum pipe surface resin coating system as recited in claim 1, wherein said heating unit (6) comprises a fan heating device (61) and a high frequency heating device (62), said fan heating device (61) being air-dried, and the direction of the air being the same as the direction of travel of the aluminum pipe (600).

12. The aluminum pipe surface resin coating system as recited in claim 1, wherein the drawing unit (10) comprises a drawing frame (101), a transverse drawing device (102) arranged on the drawing frame (101), and a vertical drawing device (103) and is arranged in turn, and the aluminum pipe (600) passes through the vertical drawing device (103) and the transverse drawing device (102) in turn.

13. The aluminum pipe surface resin coating system as recited in claim 1, wherein an eddy current flaw detector (100) is provided between said drawing unit (10) and said collecting unit.

14. The aluminum pipe surface resin coating system as recited in claim 1, wherein the collecting unit is a take-up device (300) that receives the aluminum pipe (600) and collects it by crimping.

15. The aluminum pipe surface resin coating system as recited in claim 1, wherein the collecting unit is a pipe ring cutter (200) for cutting and sectioning the aluminum pipe (600).

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