CN115071120B - Production process of convex ring type connecting structure for RTP composite pipe production - Google Patents
Production process of convex ring type connecting structure for RTP composite pipe production Download PDFInfo
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- CN115071120B CN115071120B CN202210539933.2A CN202210539933A CN115071120B CN 115071120 B CN115071120 B CN 115071120B CN 202210539933 A CN202210539933 A CN 202210539933A CN 115071120 B CN115071120 B CN 115071120B
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- sleeve
- heating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C57/00—Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
The invention relates to a production process of a convex ring type connecting structure for RTP composite pipe production, which comprises a working platform and a mounting box, wherein the working platform is fixedly arranged on one side of the mounting box, a heating sleeve for hot melting pipes is fixedly arranged on the inner side of one end of the mounting box, a power roller for clamping the pipes is arranged on one side of one end of the mounting box, which is close to the heating sleeve, a guide roller for stamping and shaping the ends of the pipes is movably arranged on one side of the mounting box, a movable die sleeve for conveying the pipes is movably arranged on the upper part of the working platform, a second mounting frame is spliced and arranged at one end of the guide roller, and the power roller and the guide roller are used together with the use of a first electric sliding table and a second electric sliding table.
Description
Technical Field
The invention relates to the technical field of pipe processing, in particular to a production process of a convex ring type connecting structure for RTP composite pipe production.
Background
The production process of the convex ring type connecting structure for RTP composite pipe production is mainly used for shaping the convex ring type connecting structure at the end part of a plastic rubber pipe.
Patent number CN 107214941A's patent document discloses a tubular product connects make-up machine, belong to mechanical technical field, this tubular product connects make-up machine's installing frame is located between base and the sliding frame, clamping mechanism is located between base and the mechanism of moulding plastics, the border department of base has the lift passageway, the bottom of installing frame has linked firmly the lift lead screw, the lift lead screw wears to establish in the lift passageway that corresponds, be equipped with first actuating source and lead screw drive mechanism between base and the installing frame, first actuating source passes through lead screw drive mechanism and links to each other with the lift lead screw, the last slide rail that has linked firmly of installing frame, the slider links to each other with the slide rail, be equipped with the second actuating source between installing frame and the sliding frame, the second actuating source links to each other with the sliding frame, the device's beneficial effect is that, the stability of the tubular product of having solved current tubular product joint shaping technology put is poor, the processing quality is poor, have the wide range of processing and advantage of processing matter.
The existing forming process has low working efficiency, and in the process of forming and processing the pipe connecting piece, the pipe conveying, heating, shaping and material taking operations are required to be completed respectively, so that the continuity of the pipe during processing is reduced, and the use effect is poor; secondly, when the existing forming process is used for processing pipes, the existing forming process cannot be suitable for pipes with different calibers, and the forming process adopts a fixed structural design, so that the existing forming process cannot be correspondingly adjusted according to the calibers of the pipes, and the application range of the forming process is reduced; secondly, the existing forming process does not have an auxiliary adjusting structure, when the pipe is processed, the forming process needs to fix the two ends of the pipe in an auxiliary mode, one end of the pipe is prevented from tilting downwards, the existing forming process cannot be suitable for pipes with different lengths, the phenomenon of tilting deformation easily occurs when the pipes with different lengths are processed, and the using effect of the forming process is reduced.
Disclosure of Invention
The invention aims to solve the problems and the defects, and provides a production process of a convex ring type connecting structure for RTP composite pipe production, which improves the overall working efficiency.
The technical problems solved by the invention are as follows:
(1) The existing forming process has lower working efficiency, and in the process of forming and processing the pipe connecting piece, the pipe conveying, heating, shaping and material taking operations are required to be completed respectively, so that the continuity of the pipe during processing is reduced, and the use effect is poor;
(2) When the existing forming process is used for processing pipes, the existing forming process cannot be suitable for pipes with different calibers, and the forming process adopts a fixed structural design, so that the existing forming process cannot be correspondingly adjusted according to the calibers of the pipes, and the application range of the forming process is reduced;
(3) The existing forming process cannot be suitable for pipes with different lengths when the pipes are processed, and the pipes with different lengths are easy to incline and deform during processing, so that the using effect of the forming process is reduced.
The aim of the invention can be achieved by the following technical scheme: the production process of the convex ring type connecting structure for RTP composite pipe production comprises the following steps:
step one: leveling and cleaning the end face of the pipe, and then placing the pipe on a guide roller;
step two: feeding and guiding the pipe through a guide roller, so that the pipe is fed into the heating sleeve;
step three: the power roller rotates the pipe, so that the pipe is uniformly heated by the heating pipe;
step four: heating is finished, and the guide roller takes out the pipe and moves the pipe into the movable die sleeve and the fixed die sleeve;
step five: the movable die sleeve and the fixed die sleeve are used for adapting and clamping the pipe through the annular die;
step six: the hydraulic press pushes the top module, and the annular die is matched to cool, clamp and shape the end part of the pipe, so that the end part of the pipe forms a sleeve type connecting structure, and then the die sleeve is loosened to discharge.
As a further scheme of the invention, the guide roller is driven by a driving motor in the mounting box, and the pipe is pushed by a second electric sliding table arranged at the bottom of the mounting box.
As a further scheme of the invention, the distance between the power rollers is adjusted through the first electric sliding table, so that the power rollers are suitable for pipes with different diameters.
As a further scheme of the invention, the heating pipes are uniformly distributed in an annular array, and the periphery of the heating pipe is provided with a reflecting ring for reflecting infrared heating radiation emitted by the heating pipe.
As a further scheme of the invention, the movable die sleeve, the fixed die sleeve and the annular die are provided with the guide pipe with an annular structure.
As a further scheme of the invention, the guide roller is firstly kept motionless under the support of the second electric push rod, then the first electric push rod is contracted to separate the power roller from the pipe, the guide roller is convenient to move the pipe into the heating sleeve, then the first electric push rod is extended, and the second electric push rod is contracted to separate the guide roller from the pipe, so that the power roller is contacted with the pipe again and rotates the pipe.
As a further scheme of the invention, the top module is connected with the movable frame through the clamping cylinder and the L-shaped clamping groove.
As a further scheme of the invention, after the heating of the pipe is finished, the first electric push rod is contracted, the second electric push rod is extended, the pipe with the heated end part is removed through the guide roller, the pipe is moved to the front side of the movable die sleeve through the second electric sliding table, and then the pipe is sent into the movable die sleeve through the guide roller.
The invention has the beneficial effects that:
(1) By arranging the power roller and the guide roller, when the molding process is used for molding processing operation, a worker firstly contracts the first electric push rod, thereby contracting the first adjusting mechanism, then starts the second electric sliding table, moves the installation box to one side close to the heating sleeve, places the pipe on the guide roller, starts the driving motor in the installation box, rotates the guide roller, moves the end part of the pipe into the heating sleeve, lifts the second electric push rod, enables the pipe to be coaxial with the axis of the heating sleeve, then firstly stretches the first electric push rod, enables the power roller to be abutted against the pipe, simultaneously adjusts the distance between each pair of power rollers, thereby adapting to the pipe, keeps the pipe coaxial with the heating sleeve, then contracts the second electric push rod, enables the guide roller to be separated from the pipe, prevents the power roller from rotating the pipe when the heating sleeve heats the end part of the pipe, and enables the power roller to stably rotate the pipe at uniform speed, the end part of the pipe is heated uniformly, the subsequent stamping and shaping operation is convenient, the rotating speed of the power roller is reduced gradually, meanwhile, the second electric push rod stretches, the guide roller is abutted against the pipe, the power roller stops rotating when the guide roller is abutted against the pipe, then the first electric push rod contracts, then the guide roller starts to move the pipe out of the heating sleeve, the second electric sliding table moves the mounting box from one side close to the heating sleeve to one side close to the movable die sleeve, then the guide roller moves the heated end of the pipe between the movable die sleeve and the fixed die sleeve, thus the fixing operation of the end part of the pipe is completed, the phenomenon of deflection of the pipe during stamping and shaping is avoided, at the moment, the first limit rod slides in the first limit cylinder in a limiting way, the second limit rod slides in the second limit cylinder in a limiting way, thus the movement of the power roller and the guide roller is assisted in positioning way, the accuracy of the power roller and the guide roller in moving is improved, after the pipe is moved out of the heating sleeve, the second electric sliding table moves the mounting box from one side close to the heating sleeve to one side close to the movable die sleeve, then the guide roller moves the heated end of the pipe between the movable die sleeve and the fixed die sleeve, and lifts the second electric push rod to enable the pipe to be coaxial with the fixed die sleeve, then the first electric push rod is stretched, the power roller is abutted to the pipe, and the second electric push rod is contracted, so that the pipe is clamped and shaped stably through the movable die sleeve, the fixed die sleeve and the top module, the machining operation of a pipe connecting piece is completed, the power roller and the guide roller are arranged, the first electric sliding table and the second electric sliding table are matched, the conveying, heating and shaping operation of the pipe in machining can be completed at one time, the working efficiency and the machining accuracy of the forming process are improved, and the yield of the pipe produced in the forming process is improved;
(2) When the forming process is used for forming and processing the pipe connecting piece, a user can conduct quantity increasing and decreasing operations on the annular dies according to the caliber of the pipe and the forming size of the pipe connecting piece, the movable die sleeve and the annular dies, the fixed die sleeve and the annular dies and the adjacent annular dies are connected through connecting buckles, so that the number of layers of the annular dies is flexibly increased and decreased according to the pipe diameters of different pipes, a connecting port is formed in the middle of an inner arc of the annular dies, a connecting guide pipe is communicated with the middle of the inner arc of the guide pipe through the connecting port, the end part of the connecting guide pipe is obliquely arranged, when the connecting guide pipe is arranged on the inner arc of the guide pipe, the end part of the connecting guide pipe guides the refrigerant in the guide pipe, so that the refrigerant is guided in each annular die, the phenomenon that the end part of the pipe is insufficiently cooled during forming is avoided, the user can install the annular dies with corresponding caliber on the movable die sleeve and the fixed die sleeve according to the caliber of the pipe, the auxiliary fixing effect is achieved on the whole pipe when the end part of the pipe is formed, the processing precision is improved, the processing precision of the pipe can be correspondingly adjusted according to the pipe and the size of the connecting piece, the pipe is further improved, and the processing precision is further improved;
(3) Through setting up the movable mould cover, start the second electric slip table, remove the mounting box to one side that is close to the heating jacket, place the tubular product on the guide roll, start driving motor in the mounting box, rotate the guide roll, remove the tip of tubular product in to the heating jacket, and lift second electric push rod, make tubular product coaxial with the axle center of heating jacket, first electric push rod stretches earlier afterwards, make power roller and tubular product looks butt, adjust the interval of every pair of power roller simultaneously, thereby with tubular product adaptation, can place the tubular product of different length between movable mould cover and the guide roll, movable mould cover and guide roll play the supporting role to the both ends of tubular product respectively, thereby avoid its one end to move down, prevent that the inclination phenomenon from appearing in tubular product connecting piece when punching press design, utilize the setting of guide roll, make the tubular product in the course of working surface smoothness better, holistic straightness of tubular product is higher.
Drawings
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a flow chart of the inventive process;
FIG. 2 is a perspective view of the overall structure of the present invention;
FIG. 3 is a side view of the overall structure of the second electric slipway of the present invention;
FIG. 4 is a front view showing the internal structure of the heating jacket of the present invention;
FIG. 5 is a side view of the overall structure of the first electric slipway of the present invention;
FIG. 6 is a front view of the overall structure of the movable die sleeve of the present invention;
FIG. 7 is a schematic view of the overall structure of the roof module of the present invention;
FIG. 8 is a schematic view of the overall structure of the annular die of the present invention;
FIG. 9 is a schematic view showing the internal structure of the annular die of the present invention;
in the figure: 1. a working platform; 2. a first electrical slip; 3. a first mounting frame; 4. a power roller; 5. a mounting box; 6. a guide roller; 7. a heating jacket; 8. a movable die sleeve; 9. a moving rack; 10. a first slide bar; 11. a hydraulic press; 12. a top module; 13. an equipment box; 14. a first electrical push rod; 15. a first stop lever; 16. a first limiting cylinder; 17. a drive chain; 18. a second mounting frame; 19. a second electrical slip; 20. a second electric push rod; 21. a second slide bar; 22. a second limit rod; 23. the second limiting cylinder; 24. supporting the sliding sleeve; 25. a heat insulating sleeve; 26. heating pipes; 27. a reflection sheet; 28. a third electric push rod; 29. a ring-shaped mold; 30. a die sleeve is fixed; 31. a connecting buckle; 32. a connecting clamping groove; 33. a connecting conduit; 34. a clamping cylinder; 35. l-shaped clamping groove.
Detailed Description
In order to further describe the technical means and effects adopted by the present invention for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present invention with reference to the accompanying drawings and preferred embodiments.
Please refer to fig. 1-8: the production process of the convex ring type connecting structure for RTP composite pipe production comprises the following steps:
step one: the end face of the pipe is cleaned smoothly, and then the pipe is placed on a guide roller 6;
step two: feeding and guiding the pipe through a guide roller 6 so that the pipe is fed into a heating sleeve 7;
step three: the power roller 4 rotates the pipe so that the pipe is uniformly heated by the heating pipe 26;
step four: after heating, the guide roller 6 takes out the pipe and moves the pipe into the movable die sleeve 8 and the fixed die sleeve 30;
step five: the movable die sleeve 8 and the fixed die sleeve 30 are used for adapting the pipe through the annular die 29 and clamping the pipe;
step six: the hydraulic press 11 pushes the top module 12, and the annular die 29 is matched for cooling, clamping and shaping the end part of the pipe, so that the end part of the pipe forms a sleeve type connecting structure, and then the die sleeve 8 is loosened and started for discharging.
The power roller 4 carries out position adjustment through first adjustment mechanism, first adjustment mechanism includes first electric slip table 2, first electric slip table 2 is provided with two sets of, and first electric slip table 2 is the symmetry setting and afterbody links to each other, install first mounting bracket 3 on the slider of first electric slip table 2, first electric slip table 2 rotates with power roller 4 through first mounting bracket 3 and is connected, the first electric push rod 14 of tail downside fixedly connected with of first electric slip table 2, first gag lever post 15 is all installed to the both sides that the downside of first electric slip table 2 is located first electric push rod 14, first spacing section of thick bamboo 16 has been cup jointed in the lower extreme slip of first gag lever post 15, first adjustment mechanism is provided with four sets of and is the symmetry setting, the first adjustment mechanism outside is provided with equipment box 13, first spacing section of thick bamboo 16 and first electric push rod 14 are all installed in equipment box 13, the middle part of equipment box 13 is provided with second adjustment mechanism, work platform 1 is installed to the lower surface of equipment box 13.
The guide roller 6 carries out position adjustment through second adjustment mechanism, second adjustment mechanism includes mounting box 5, second mounting bracket 18 is all installed at the both ends of mounting box 5, the both ends upside of mounting box 5 all is provided with guide roller 6, mounting box 5 links to each other with guide roller 6 through second mounting bracket 18, and second mounting bracket 18 rotates with guide roller 6 to be connected, the both ends of guide roller 6 all are round platform column structure, driving motor is all installed to the below that lies in every guide roller 6 in the mounting box 5, driving motor's drive shaft tip links to each other and carries out the transmission through drive chain 17 with the one end of guide roller 6, thereby drive chain 17 through driving motor, rotate guide roller 6, remove tubular product respectively to heating mantle 7 and movable mould cover 8.
The second electric slipway 19 is arranged below the installation box 5, the sliding block of the second electric slipway 19 is connected with the installation box 5, the installation box 5 is moved through the second electric slipway 19, and therefore the pipe carried by the guide roller 6 on the installation box 5 is moved, and the pipe is transported between the heating process and the shaping process.
The second electric push rods 20 are installed on two sides of the lower surface of the second electric sliding table 19, the second limiting rods 22 are installed on two sides of the lower surface of the installation box 5, the second limiting cylinders 23 are sleeved at the lower ends of the second limiting rods 22 in a sliding mode, the supporting sliding sleeves 24 are fixedly connected to the lower ends of the second limiting cylinders 23, the second sliding rods 21 are arranged in the middle of the supporting sliding sleeves 24 in a sliding mode in a penetrating mode, and therefore the pipe received by the guide rollers 6 is coaxial with the heating sleeve 7 in a heating process through expansion and contraction of the second electric push rods 20, and is coaxial with the top module 12 in a shaping process.
When the device is used, the first electric push rod 14 is contracted, so that the first regulating mechanism is contracted, the second electric sliding table 19 is started, the mounting box 5 is moved to one side close to the heating sleeve 7, the pipe is placed on the guide roller 6, the driving motor in the mounting box 5 is started, the guide roller 6 is rotated, the end part of the pipe is moved into the heating sleeve 7, the second electric push rod 20 is lifted, the pipe is coaxial with the axis of the heating sleeve 7, the first electric push rod 14 is firstly stretched, the power roller 4 is abutted against the pipe, the distance between each pair of power rollers 4 is regulated, so that the pipe is matched with the pipe, the pipe is kept coaxial with the heating sleeve 7, the second electric push rod 20 is contracted, the guide roller 6 is separated from the pipe, and when the end part of the pipe is heated by the heating sleeve 7, the power roller 4 rotates the pipe is prevented from being blocked, so that the power roller 4 stably rotates the pipe at a uniform speed, and the end part of the pipe is heated uniformly;
after the heating is finished, the power roller 4 gradually reduces the rotating speed, meanwhile, the second electric push rod 20 stretches, so that the guide roller 6 is in butt joint with the pipe, the power roller 4 stops rotating when the guide roller 6 is in butt joint with the pipe, then the first electric push rod 14 contracts, then the guide roller 6 starts to move the pipe out of the heating sleeve 7, the second electric slide table 19 moves the mounting box 5 from one side close to the heating sleeve 7 to one side close to the movable die sleeve 8, then the guide roller 6 moves the heated end of the pipe between the movable die sleeve 8 and the fixed die sleeve 30, the second electric push rod 20 is lifted, the pipe and the fixed die sleeve 30 are coaxial, then the first electric push rod 14 stretches, the power roller 4 is in butt joint with the pipe, and the second electric push rod 20 contracts, so that the pipe is clamped and shaped stably through the movable die sleeve 8, the fixed die sleeve 30 and the top die 12.
The internally mounted of heating jacket 7 has the insulating jacket 25 that is used for gathering heat, the insulating jacket 25 is annular, and the cross-section of insulating jacket 25 is the C shape, install a plurality of heating pipe 26 that is equiangular evenly distributed in the insulating jacket 25, all install reflector plate 27 on the inside wall of insulating jacket 25, in the course of working, heating pipe 26 produces heat and heats the tubular product with the mode of light radiation, reflector plate 27 further reflects the radiant light that heating pipe 26 sent to the tubular product surface simultaneously, make the heating of tubular product more abundant, heating efficiency has been improved, the heat loss has been reduced, power roller 4 drives the tubular product and rotates simultaneously, prevent that the tubular product from being attached to the tubular product tip when the heat absorption melts, avoid the drip in the inside of insulating jacket 25, prevent pollution insulating jacket 25.
The upper portion of movable mould cover 8 is equipped with two sets of third electric push rods 28, the downside of movable mould cover 8 is provided with cover half 30, a plurality of annular mould 29 is all installed to the inboard of movable mould cover 8 and cover half 30 from outside to inside, annular mould 29 is semicircle annular, a plurality of connection draw-in groove 32 that is equiangular evenly distributed is all seted up to the inside and outside both sides of annular mould 29, annular mould 29 is installed through connection draw-in groove 32 and is connected buckle 31, all be connected through connection buckle 31 between movable mould cover 8 and the annular mould 29, between cover half 30 and the annular mould 29 and between the adjacent annular mould 29, thereby increase and decrease the number of layers of annular mould 29 in a flexible way according to the pipe diameter of different pipes, the tubular product of different pipe diameters of adaptation.
The inside of annular mould 29 buries the honeycomb duct that is annular setting, the inlet end and the play liquid end of honeycomb duct all set up at annular mould 29's outer arc middle part, and connecting pipe 33 has all been installed to the inlet end and the play liquid end of honeycomb duct, the connector has been seted up at annular mould 29's inner arc middle part, be linked together connecting pipe 33 and honeycomb duct's inner arc middle part through the connector, connecting pipe 33's tip is the slope setting, when connecting pipe 33 installs on the inner arc of honeycomb duct, connecting pipe 33's tip carries out the water conservancy diversion to the refrigerant in the honeycomb duct, thereby carry out the water conservancy diversion with the refrigerant in each annular mould 29, avoid the tubular product tip cooling inadequately when the design.
The hydraulic press 11 is installed to one side of fixed die sleeve 30, remove frame 9 is installed to the flexible end of hydraulic press 11, remove the four corners department of frame 9 and all slide and wear to be equipped with first slide bar 10, the one end fixed connection of first slide bar 10 is on one side of cover half 30, the other end fixed connection of first slide bar 10 is in the side one corner department of hydraulic press 11, the mid-mounting of removing frame 9 has a top module 12, top module 12 is two segmentation round platform column structure, under the spacing of first slide bar 10 during the use, hydraulic press 11 pushes away and removes frame 9, and then top and push up module 12, extrude the pipe end through top module 12, and cooperate annular mould 29 on movable die sleeve 8 and the cover half 30 to carry out the centre gripping design, thereby make the tip of tubular product carry out stable cooling design.
The tail part of the top module 12 is fixedly connected with a clamping cylinder 34, the clamping cylinder 34 is provided with L-shaped clamping grooves 35 which are uniformly distributed at equal angles, and the top module 12 is connected with the movable frame 9 through the clamping cylinder 34 and the L-shaped clamping grooves 35.
When the invention is used, by arranging the power roller 4 and the guide roller 6, during the molding processing operation of the molding process, a worker firstly contracts the first electric push rod 14, so as to contract the first adjusting mechanism, then starts the second electric sliding table 19, moves the mounting box 5 to one side close to the heating sleeve 7, places the pipe on the guide roller 6, starts the driving motor in the mounting box 5, rotates the guide roller 6, moves the end part of the pipe into the heating sleeve 7, lifts the second electric push rod 20, so that the pipe is coaxial with the axis of the heating sleeve 7, then firstly stretches the first electric push rod 14, enables the power roller 4 to abut against the pipe, simultaneously adjusts the distance between each pair of power rollers 4, thereby adapting to the pipe, keeping the pipe coaxial with the heating sleeve 7, then contracts the second electric push rod 20, so that the guide roller 6 is separated from the pipe, and when the heating sleeve 7 heats the end part of the pipe is avoided, the power roller 4 rotates the pipe while being blocked, thus the power roller 4 rotates the pipe stably and uniformly, the end part of the pipe is heated uniformly, the pipe is convenient for the subsequent stamping and shaping operation, the power roller 4 gradually reduces the rotating speed, meanwhile, the second electric push rod 20 stretches, the guide roller 6 is abutted with the pipe, the power roller 4 stops rotating when the guide roller 6 is abutted with the pipe, then the first electric push rod 14 contracts, then the guide roller 6 starts to move the pipe out of the heating sleeve 7, the second electric sliding table 19 moves the mounting box 5 from the side close to the heating sleeve 7 to the side close to the movable die sleeve 8, then the guide roller 6 moves the heated end of the pipe between the movable die sleeve 8 and the fixed die sleeve 30, the fixing operation of the end part of the pipe is completed, the phenomenon that the pipe is deviated during stamping and shaping is avoided, at the moment, the first limiting rod 15 is limited and slides in the first limiting cylinder 16, the second limiting rod 22 slides in the second limiting cylinder 23 in a limiting manner, so that an auxiliary positioning effect is achieved on the movement of the power roller 4 and the guide roller 6, the accuracy of the power roller 4 and the guide roller 6 in moving is improved, after the pipe is moved out of the heating sleeve 7, the second electric sliding table 19 moves the mounting box 5 from one side close to the heating sleeve 7 to one side close to the movable die sleeve 8, then the guide roller 6 moves the heated end of the pipe between the movable die sleeve 8 and the fixed die sleeve 30, the second electric push rod 20 is lifted, the pipe is coaxial with the fixed die sleeve 30, the first electric push rod 14 is stretched, the power roller 4 is abutted against the pipe, the second electric push rod 20 is contracted, the pipe is clamped and shaped stably through the movable die sleeve 8, the fixed die sleeve 30 and the top die block 12, the processing operation of the pipe connecting piece is completed, the arrangement of the power roller 4 and the guide roller 6 is matched with the use of the first electric sliding table 2 and the second electric sliding table 19, the conveying, heating and shaping operation during the processing of the pipe can be completed once, the whole processing precision of the pipe is improved, the working efficiency and the accuracy of the shaping process is improved;
when the forming process is used for forming and processing the pipe connecting piece, a user can increase and decrease the quantity of the annular dies 29 according to the caliber of the pipe and the forming size of the pipe connecting piece, the movable die sleeve 8 and the annular dies 29, the fixed die sleeve 30 and the annular dies 29 and the adjacent annular dies 29 are connected through the connecting buckles 31, so that the number of layers of the annular dies 29 is flexibly increased and decreased according to the caliber of different pipes, the connecting ports are formed in the middle of the inner arc of the annular dies 29, the connecting guide pipe 33 is communicated with the middle of the inner arc of the guide pipe through the connecting ports, the end parts of the connecting guide pipe 33 are obliquely arranged, when the connecting guide pipe 33 is arranged on the inner arc of the guide pipe, the end parts of the connecting guide pipe 33 guide the refrigerant in the guide pipe, so that the refrigerant is guided in each annular die 29, the end part of the pipe is prevented from being insufficiently cooled during forming, the user can play an auxiliary fixing role in forming the whole pipe according to the caliber of the pipe, the annular dies 29 with corresponding caliber are mounted on the movable die sleeve 8 and the fixed die sleeve 30, the forming precision is realized during forming the end part of the pipe, and the pipe is lifted and the pipe can be correspondingly adjusted according to the large caliber and the large-size range of the connecting piece is suitable for forming;
by arranging the movable die sleeve 8, starting the second electric sliding table 19, moving the mounting box 5 to one side close to the heating sleeve 7, placing the pipe on the guide roller 6, starting a driving motor in the mounting box 5, rotating the guide roller 6, moving the end part of the pipe into the heating sleeve 7, lifting the second electric push rod 20 to enable the pipe to be coaxial with the axis of the heating sleeve 7, then stretching the first electric push rod 14 firstly, enabling the power roller 4 to be abutted against the pipe, adjusting the distance between each pair of power rollers 4 at the same time, adapting to the pipe, enabling the movable die sleeve 8 and the guide roller 6 to be capable of placing pipes with different lengths, enabling the movable die sleeve 8 and the guide roller 6 to respectively support the two ends of the pipe, thereby avoiding one end of the pipe from moving downwards, preventing the pipe connecting piece from inclining during stamping and shaping, and utilizing the arrangement of the guide roller 6, so that the forming process has an auxiliary adjusting structure and improves the use effect.
The present invention is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present invention.
Claims (1)
1. The production process of the convex ring type connecting structure for RTP composite pipe production is characterized by comprising the following steps:
step one: leveling and cleaning the end face of the pipe, and then placing the pipe on a guide roller (6);
step two: feeding and guiding the pipe through a guide roller (6) so that the pipe is fed into a heating sleeve (7);
step three: the power roller (4) rotates the pipe, so that the pipe is uniformly heated by the heating pipe (26);
step four: the heating is finished, and the guide roller (6) takes out the pipe and moves the pipe into the movable die sleeve (8) and the fixed die sleeve (30);
step five: the movable die sleeve (8) and the fixed die sleeve (30) are used for adapting and clamping the pipe through the annular die (29);
step six: the hydraulic press (11) pushes the top module (12), and the annular die (29) is matched for cooling, clamping and shaping the end part of the pipe, so that the end part of the pipe forms a sleeve type connecting structure, and then the die sleeve (8) is opened, and discharging is carried out;
in the second step, the guide roller (6) is driven by a driving motor in the mounting box (5), and the pipe is pushed by a second electric sliding table (19) arranged at the bottom of the mounting box (5);
in the third step, the distance between the power rollers (4) is adjusted through the first electric sliding table (2), so that the power rollers are suitable for pipes with different diameters;
in the third step, the heating pipes (26) are uniformly distributed in an annular array, and the periphery of the heating pipe (26) is provided with a reflecting ring (27) for reflecting infrared heating radiation emitted by the heating pipe (26);
in the fifth step, a guide pipe with an annular structure is arranged in each of the movable die sleeve (8), the fixed die sleeve (30) and the annular die (29);
in the second step, the guide roller (6) is firstly kept motionless under the support of the second electric push rod (20), then the first electric push rod (14) is contracted, so that the power roller (4) is separated from the pipe, the guide roller (6) is convenient to move the pipe into the heating sleeve (7), then the first electric push rod (14) is extended, the second electric push rod (20) is contracted, so that the guide roller (6) is separated from the pipe, and the power roller (4) is contacted with the pipe again and rotates the pipe;
in the sixth step, the top module (12) is connected with the movable frame (9) through the clamping cylinder (34) and the L-shaped clamping groove (35);
in the sixth step, after the heating of the pipe is finished, the first electric push rod (14) is contracted, the second electric push rod (20) is extended, the pipe with the heated end part is removed through the guide roller (6), the pipe is moved to the front side of the movable die sleeve (8) through the second electric sliding table (19), and then the pipe is sent into the movable die sleeve (8) through the guide roller (6);
the power roller (4) is subjected to position adjustment through a first adjusting mechanism, the first adjusting mechanism comprises a first electric sliding table (2), the first electric sliding table (2) is provided with two groups, the first electric sliding table (2) is symmetrically arranged and connected with the tail part, a first mounting frame (3) is mounted on a sliding block of the first electric sliding table (2), the first electric sliding table (2) is rotationally connected with the power roller (4) through the first mounting frame (3), a first electric push rod (14) is fixedly connected to the lower side of the tail part of the first electric sliding table (2), first limit rods (15) are mounted on two sides of the lower side of the first electric push rod (14), a first limit cylinder (16) is sleeved at the lower end of the first limit rod (15) in a sliding mode, four groups of first adjusting mechanisms are symmetrically arranged, equipment boxes (13) are arranged on the outer sides of the first adjusting mechanisms, the first limit cylinders (16) and the first electric push rods (14) are mounted in the equipment boxes (13), a second adjusting mechanism is arranged in the middle of the equipment boxes (13), and a workbench (1) is mounted on the lower surface of the equipment boxes (13);
the guide rollers (6) are subjected to position adjustment through a second adjusting mechanism, the second adjusting mechanism comprises mounting boxes (5), second mounting frames (18) are mounted at two ends of each mounting box (5), the guide rollers (6) are arranged at the upper sides of two ends of each mounting box (5), each mounting box (5) is connected with each guide roller (6) through each second mounting frame (18), the second mounting frames (18) are rotationally connected with the guide rollers (6), two ends of each guide roller (6) are of a circular truncated cone-shaped structure, driving motors are mounted below each guide roller (6) in each mounting box (5), and driving shaft ends of the driving motors are connected with one ends of the guide rollers (6) through driving chains (17) and are used for transmission;
a second electric sliding table (19) is arranged below the mounting box (5), and a sliding block of the second electric sliding table (19) is connected with the mounting box (5);
the two sides of the lower surface of the second electric sliding table (19) are provided with second electric push rods (20), the two sides of the lower surface of the installation box (5) are provided with second limiting rods (22), the lower ends of the second limiting rods (22) are in sliding sleeve connection with second limiting cylinders (23), the lower ends of the second limiting cylinders (23) are fixedly connected with supporting sliding sleeves (24), and the middle parts of the supporting sliding sleeves (24) are in sliding penetrating connection with second sliding rods (21);
a plurality of annular molds (29) are arranged on the inner sides of the movable mold sleeve (8) and the fixed mold sleeve (30) from outside to inside, the annular molds (29) are in a semicircular shape, a plurality of connecting clamping grooves (32) which are uniformly distributed at equal angles are formed in the inner side and the outer side of each annular mold (29), and connecting buckles (31) are arranged on the annular molds (29) through the connecting clamping grooves (32);
the inside of annular mould (29) buries the honeycomb duct that is annular setting, and the inlet end and the play liquid end of honeycomb duct all set up in the outer arc middle part of annular mould (29), and connecting pipe (33) are all installed to the inlet end and the play liquid end of honeycomb duct, and the connector has been seted up at the inner arc middle part of annular mould (29), is linked together connecting pipe (33) and the inner arc middle part of honeycomb duct through the connector, and the tip of connecting pipe (33) is the slope setting.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210539933.2A CN115071120B (en) | 2022-05-17 | 2022-05-17 | Production process of convex ring type connecting structure for RTP composite pipe production |
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| CN202210539933.2A CN115071120B (en) | 2022-05-17 | 2022-05-17 | Production process of convex ring type connecting structure for RTP composite pipe production |
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| US4907958A (en) * | 1987-05-27 | 1990-03-13 | Cmb Packaging (Uk) Limited | Apparatus for flanging tubular polymer articles |
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| CN105128324A (en) * | 2015-10-08 | 2015-12-09 | 淄博朗达复合材料有限公司 | Integral forming preparation method for carbon fiber tube with outwards-turning-edge flange |
| CN105773956A (en) * | 2014-12-22 | 2016-07-20 | 天津巨龙暖通设备开发有限公司 | Automatic flanging machine |
| CN110614761A (en) * | 2019-09-16 | 2019-12-27 | 华创天元实业发展有限责任公司 | Steel wire mesh framework polyethylene composite pipe flanging forming equipment and using method thereof |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4907958A (en) * | 1987-05-27 | 1990-03-13 | Cmb Packaging (Uk) Limited | Apparatus for flanging tubular polymer articles |
| CN204036834U (en) * | 2014-08-27 | 2014-12-24 | 山东迪浩耐磨管道股份有限公司 | The full-automatic hemmer of polyvinyl piping materials |
| CN105773956A (en) * | 2014-12-22 | 2016-07-20 | 天津巨龙暖通设备开发有限公司 | Automatic flanging machine |
| CN104943155A (en) * | 2015-06-12 | 2015-09-30 | 胜利油田高原石油装备有限责任公司 | Composite pipe flanging molding device and molding method |
| CN105128324A (en) * | 2015-10-08 | 2015-12-09 | 淄博朗达复合材料有限公司 | Integral forming preparation method for carbon fiber tube with outwards-turning-edge flange |
| CN110614761A (en) * | 2019-09-16 | 2019-12-27 | 华创天元实业发展有限责任公司 | Steel wire mesh framework polyethylene composite pipe flanging forming equipment and using method thereof |
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| CN115071120A (en) | 2022-09-20 |
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