CN217800139U - Titanium and titanium alloy welded pipe manufacturing equipment - Google Patents
Titanium and titanium alloy welded pipe manufacturing equipment Download PDFInfo
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- CN217800139U CN217800139U CN202220743270.1U CN202220743270U CN217800139U CN 217800139 U CN217800139 U CN 217800139U CN 202220743270 U CN202220743270 U CN 202220743270U CN 217800139 U CN217800139 U CN 217800139U
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Abstract
The utility model provides a titanium and titanium alloy welded pipe manufacture equipment it integrates the strap into the tubular metal resonator through spiral weld, and its anti flat performance is good, and difficult crackle that produces. The device comprises a base material feeding mechanism, a shaping mechanism, a groove making mechanism, a welding mechanism and a traction mechanism, wherein the traction mechanism comprises two support frames, corresponding welding rollers are inserted into an upper positioning hole of each support frame through bearings respectively, the two welding rollers are combined into coaxial continuous rollers in a working state, the two welding rollers are far away from each other in the axis direction in a non-working state, the outer end, opposite to each other, of one welding roller is connected with a rotation driving device, the rotation driving device drives the coaxial continuous rollers to rotate in the working state, and the area, between the two support frames, of the coaxial continuous rollers in the working state is used for manufacturing welded pipes and is a welding roller working section.
Description
Technical Field
The utility model relates to a technical field of metal tubular product preparation specifically is a titanium and titanium alloy welded pipe manufacture equipment.
Background
At present, the titanium alloy welded pipe in China is mainly a straight welded pipe, and is produced by welding a titanium plate or a titanium belt after being directly rolled. The longitudinal welded pipe has longer working procedures which mainly comprise: blanking, rolling, welding, shaping and the like. When the straight seam titanium and titanium alloy welded pipe is welded, manual welding is mainly used, welding quality is unstable, and bubbles and oxidation are easily generated. And the weld joint is parallel to the central axis of the pipe, so that the flattening resistance of the straight welded pipe is poor. And the weld serves as a weak point of the whole pipe, and once a crack source is generated, the whole pipe can be rapidly cracked and failed. Therefore, a welded pipe which can improve the anti-flattening performance of the pipeline and is not easy to crack needs to be researched and developed urgently.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a titanium and titanium alloy welded pipe manufacture equipment, it integrates the strap into the tubular metal resonator through spiral weld, and its anti flat performance is good, and be difficult for producing the crackle.
A titanium and titanium alloy welded pipe manufacturing equipment is characterized by comprising:
a substrate feeding mechanism;
a shaping mechanism;
a groove making mechanism;
a welding mechanism;
the traction mechanism comprises two support frames, corresponding welding rollers are inserted into the upper positioning holes of each support frame through bearings respectively, the two welding rollers are combined into a coaxial continuous roller in a working state, the two welding rollers are far away from each other in the axis direction in a non-working state, the outer end opposite to one welding roller is connected with a rotation driving device, the rotation driving device drives the coaxial continuous roller to rotate and operate in the working state, and the area, located between the two support frames, of the coaxial continuous roller in the working state is used for manufacturing a welded pipe and is a welding roller working section;
the base material feeding mechanism is arranged on the outer side of one end of the welding roller working section in the length direction and used for conveying the base material to the outer ring surface of the welding roller working section along the axial longitudinal section at a set inclination angle;
the shaping mechanism comprises a forming seat with a spiral surface, and is used for forming the base material conveyed by the base material feeding mechanism into a spiral shape to cover the outer ring surface of the working section of the welding roller;
the groove making mechanism is arranged on the periphery of the axial section of the working section of the welding roller and is positioned behind the shaping mechanism, the groove making mechanism comprises a cutter, the cutter is positioned on the periphery of the outer ring of the working section of the welding roller, and an inwards concave V-shaped groove is formed in the splicing seam area of the two tightly attached spiral belts through the cutter;
the welding mechanism is arranged on the periphery of an axial section of a working section of the welding roller and is positioned behind the groove making mechanism, the welding mechanism comprises a welding gun, the welding gun is positioned on the periphery of the outer ring of the working end of the welding roller, and the welding gun fills the concave V-shaped groove with welding flux to form a welding seam;
the coaxial continuous roller rotates to drive the metal strips to spirally surround the outer circumference of the coaxial continuous roller from front to back until the length of the metal strips reaches a preset size, at the moment, splicing seams between the spiral metal strips form an inwards concave V-shaped groove through a groove making mechanism respectively, and a welding gun fills the inwards concave V-shaped groove with welding fluxes to form a welding seam to form a metal pipe; after the metal pipe is formed, the two welding rollers are far away from each other in the axis direction under the non-working state, so that the metal pipe is taken out, and then the subsequent continuous operation is carried out.
It is further characterized in that:
the finishing mechanism is arranged on the periphery of the axial section of the working section of the welding roller and is positioned behind the welding mechanism, and the finishing mechanism is used for finishing and polishing the outer surface of the metal pipe so that an exposed welding seam is not formed in the appearance;
the finishing mechanism is formed by combining three groups of mixed grinding wheels, and the three groups of mixed grinding wheels are uniformly distributed around the outer circumference of the corresponding axial region of the working section of the welding roller at 120 degrees, so that the stability and reliability of the trimming and grinding of the welding line are ensured;
each group of mixed grinding wheels is provided with a turning wheel, a rough grinding wheel, a truing wheel and a fine grinding wheel from front to back, the diameters of the three truing wheels are A, the theoretical diameter of the welded pipe is D, the central axes of all the truing wheels are arranged on a circle which takes the central axis of the welded pipe as the center of the circle and has the diameter of D + A, and the truing wheels, the rough grinding wheel and the fine grinding wheel of each group of mixed grinding wheels are coaxial with the truing wheels of the respective group;
the base material feeding mechanism comprises guide plates on two sides, an upper shaping roller, a lower shaping roller and milling cutters on two sides, the base material enters from the space between the guide plates on the two sides, and after being leveled by the shaping rollers, the two sides of the base material are trimmed by the side milling cutters, so that the base material feeding mechanism has accurate width dimension and excellent surface quality;
the traction mechanism further comprises a base, a guide rail is arranged on the base, the guide rail is arranged in parallel to the axial direction of the welding roller, one of the two support frames is a fixed support frame, the other support frame is a movable support frame, the fixed support frame is arranged corresponding to the front end of the working section of the welding roller, the fixed support frame is fixedly arranged on the upper surface of the base, the bottom of the movable support frame is supported on the guide rail through a sliding block, and the movable support frame is arranged in a movable manner along the linear direction of the guide rail;
the forming seat is internally provided with a through hole, the welding roller penetrates through the through hole to be arranged, the inner ring of the through hole is provided with a spiral guide surface, the spiral guide surface comprises an inlet and an outlet, the inlet of the spiral guide surface is provided with a guide roller, the corresponding positions of the periphery of the outer ring of the spiral guide surface and the outlet are respectively provided with a shaping roller, the guide roller and the shaping roller are respectively and fixedly arranged on the corresponding end surfaces of the forming seat through connecting shafts, the guide roller enables a material belt to accurately enter the spiral guide surface, and the shaping roller ensures that the spiral belt is spirally wound on the periphery of the working section of the welding roller and is closely arranged on the periphery of the working section of the welding roller;
the bottom of the forming seat is supported on the guide rail through a sliding block, the forming seat is fixedly connected with the corresponding end face of the fixed supporting seat through an axial spring, a spiral guide face of the forming seat is in sliding fit with the welding roller, the axial spring drives the spiral belt in the spiral guide face to be tightly attached to the spiral belt which is formed at the rear end, and the forming seat moves backwards under the action of the axial spring to ensure that newly-entered raw materials are tightly attached to the edge of the spiral belt which is formed at the rear end;
the groove making mechanism further comprises an air gun, the air gun is located behind the cutter, and broken dust generated by cutting is blown away from the concave V-shaped groove by the air gun;
the cutter is a circular cutter, a plurality of sharp teeth are arranged on the outer circumference part of the cutter, and the sharp teeth are processed along the spiral splicing seam to form an inward concave V-shaped groove;
the concave depth of the V-shaped groove does not exceed the thickness of the material belt, so that the solder in the subsequent welding operation cannot penetrate into the outer surface of the welding roller;
welding mechanism is still including argon gas rifle and safety cover, welder is used for welding the concatenation seam position of spiral area, argon gas rifle blowout gaseous argon gas, protection under the help of safety cover are welding the product, avoid oxidizing.
A method for manufacturing titanium and titanium alloy welded pipes is characterized in that: regard titanium area or titanium alloy area as the substrate, the substrate is carried along the direction of substrate feed mechanism according to the length of setting for, later spiral guiding hole spiral cladding through plastic mechanism is at the welding roller working section of coaxial continuous roller, coaxial continuous roller is at the rotatory operation under rotation of rotation drive arrangement, and then make banded base member from the front after the cladding form the spiral area, two adjacent spiral areas form the concatenation seam to hugging closely the part at the axial drive of axial spring, the surface of concatenation seam forms indent V type groove through system groove mechanism processing, later welding mechanism's welder is full of the solder with indent V type groove, make to form welded pipe.
It is further characterized in that:
the coaxial continuous roller consists of a fixed welding roller and a movable welding roller, the fixed welding roller is supported in a corresponding through hole of the fixed supporting seat and is axially fixedly arranged, the movable welding roller is supported in a corresponding through hole of the movable supporting seat, the movable supporting seat is driven by a motor and a lead screw mechanism, so that the fixed welding roller and the movable welding roller are spliced to form the coaxial continuous roller in a working state, or the fixed welding roller and the movable welding roller are far away from each other in the axial direction in a non-working state, and the axial spacing distance between the fixed welding roller and the movable welding roller is convenient for taking out a welded pipe in the non-working state;
a linear spring is arranged between the forming seat and the fixed supporting seat corresponding to the shaping mechanism, and drives the side edge of the spiral belt to be formed in the forming seat to be tightly attached to the corresponding side edge of the rear formed spiral belt so as to form a splicing seam, so that the subsequent processing operation of the groove making mechanism is facilitated;
the fixed welding roller and the movable welding roller are fixedly connected through the fastening bolt after being spliced in place, so that the follow-up synchronous rotation operation is ensured.
Adopt the utility model discloses a behind the structure, it carries the titanium strip and the titanium alloy area of certain width and thickness along the direction of substrate feed mechanism, later spiral guiding hole spiral cladding through plastic mechanism is at the welding roller working section of coaxial continuous roller, coaxial continuous roller is at rotation operation under rotation drive arrangement's rotation, and then make banded base member from the front then the cladding forms the spiral strip, form concatenation seam is hugged closely to the corresponding side in two adjacent spiral strips, the surface of concatenation seam forms indent V type groove through system groove mechanism processing, later welding mechanism's welder is full of the solder with indent V type groove, make to form welded pipe, last two welding roller separation take out fashioned welded pipe, it integrates the strap into the tubular metal resonator through the spiral welding seam, its anti flat performance is good, and be difficult for producing the crackle.
Drawings
Fig. 1 is a schematic perspective view of the apparatus of the present invention;
FIG. 2 is a perspective view of a substrate feed mechanism of the apparatus of the present invention;
fig. 3 is a perspective view of the shaping mechanism of the apparatus of the present invention;
fig. 4 is a perspective view of a forming base of the apparatus of the present invention;
FIG. 5 is a schematic perspective view of a beveling mechanism of the apparatus of the present invention for beveling;
FIG. 6 is a schematic view of an inwardly concave V-groove suitable for use with the present invention;
fig. 7 is a schematic perspective view of the welding mechanism of the apparatus of the present invention for welding;
figure 8 is a perspective view of a traction mechanism of the apparatus of the present invention;
figure 9 is a perspective view of a hybrid grinding wheel of the apparatus of the present invention;
the names corresponding to the numbers in the figure are as follows:
the device comprises a base material feeding mechanism 10, a guide plate 11, an upper shaping roller 12, a lower shaping roller 13, a side milling cutter 14, a shaping mechanism 20, a forming seat 21, a through hole 22, a spiral guide surface 23, an inlet 24, an outlet 25, a guide roller 26, a shaping roller 27, an axial spring 28, a groove making mechanism 30, a cutter 31, an air gun 32, a welding mechanism 40, a welding gun 41, an argon gun 42, a protective cover 43, a traction mechanism 50, a fixed support frame 51, a movable support frame 52, a fixed welding roller 53, a movable welding roller 54, a gear ring 55, a transmission gear 56, a base 57, a guide rail 58, an alignment split notch 59, a coaxial continuous roller 60, a welding roller working section 61, a base material 70, a concave V-shaped groove 80, a finishing mechanism 90, a mixed grinding wheel 91, a turning wheel 92, a rough grinding wheel 93, a shaping wheel 94, a finish grinding wheel 95, a motor 100 and a screw rod 101.
Detailed Description
A titanium and titanium alloy welded pipe manufacturing device is shown in figures 1-9 and comprises a base material feeding mechanism 10, a shaping mechanism 20, a beveling mechanism 30, a welding mechanism 40 and a traction mechanism 50, wherein the traction mechanism 50 comprises two support frames, a fixed support frame 51 and a movable support frame 52, corresponding welding rollers are inserted into upper positioning holes of each support frame through bearings, the fixed support frame 51 corresponds to a fixed welding roller 53, the movable support frame 52 corresponds to a movable welding roller 54, the support frames corresponding to the welding rollers can rotate and are fixed in axial positions, the two welding rollers are combined into a coaxial continuous roller 60 in a working state, the two welding rollers are far away from each other in the axial direction in a non-working state, the opposite outer ends of the movable welding rollers 54 are connected with a rotation driving device, the rotation driving device drives the coaxial continuous roller 60 to rotate and work in the working state, and the area, located between the two support frames, of the coaxial continuous roller 60 in the working state is used for manufacturing welded pipes and is a welding roller working section 61; the rotation driving device comprises a gear ring 55, a transmission gear 56 and a transmission motor (not shown in the figure), the transmission motor is fixedly arranged at the corresponding position of the movable support frame 52, the transmission gear 56 is driven by the transmission motor to rotate, the transmission gear 56 is meshed and connected with the gear ring 55, the gear ring 55 is fixedly sleeved at the outer end of the movable welding roller 54, and the transmission motor drives the coaxial continuous roller 60 to rotate so as to form spiral sleeve assembling operation;
the base material feeding mechanism 10 is arranged outside one end of the welding roller working section 61 in the length direction and is used for conveying the base material 70 to the outer ring surface of the welding roller working section 61 along the axial longitudinal section at a set inclined angle;
the shaping mechanism 20 comprises a forming seat 21 with a spiral surface, which is used for forming the base material 70 conveyed by the base material feeding mechanism 10 into a spiral shape to cover the outer ring surface of the welding roller working section 61;
the groove making mechanism 30 is arranged on the periphery of the axial section of the welding roller working section 61 and is positioned at the rear position of the shaping mechanism 20, the groove making mechanism 30 comprises a cutter 31, the cutter 31 is positioned on the outer periphery of the outer circumference of the welding roller working section 61, and an inward concave V-shaped groove 80 is formed in the splicing seam area of the two tightly attached spiral belts through the cutter 31;
the welding mechanism 40 is arranged on the periphery of the axial section of the welding roller working section 61 and is positioned at the rear position of the groove making mechanism 30, the welding mechanism 40 comprises a welding gun 41, the welding gun 41 is positioned on the periphery of the outer ring of the welding roller working end 61, and the welding gun 41 fills the concave V-shaped groove 80 with welding flux to form a welding seam;
the coaxial continuous roller 60 rotates to drive the metal strips to spirally surround the outer circumference of the coaxial continuous roller 60 from front to back until the length of the metal strips reaches a preset size, at the moment, splicing seams among the spiral metal strips respectively form an inward concave V-shaped groove 80 through the groove making mechanism 30, and the welding gun 41 fills the inward concave V-shaped groove 80 with welding fluxes to form a welding seam so as to form a metal pipe; after the metal pipe is formed, the two welding rollers are far away from each other in the axial direction under the non-working state, so that the metal pipe is taken out, and then the subsequent continuous operation is carried out.
In a specific embodiment, the device further comprises a finishing mechanism 90, wherein the finishing mechanism 90 is arranged at the periphery of the axial section of the welding roller working section 61 and is positioned at the rear position of the welding mechanism 40, and the finishing mechanism 90 is used for finishing and grinding the outer surface of the metal pipe so that an exposed welding seam does not exist in appearance;
the finishing mechanism 90 is formed by combining three groups of mixed grinding wheels 91, and the three groups of mixed grinding wheels 91 are uniformly distributed around the outer circumference of the corresponding axial region of the welding roller working section 61 at 120 degrees, so that the stability and reliability of the weld finishing and grinding are ensured;
each group of mixed grinding wheels 91 is provided with a turning wheel 92, a rough grinding wheel 93, a shaping wheel 94 and a finish grinding wheel 95 from front to back, the self diameters of the three shaping wheels 94 are A, the theoretical diameter of a welded pipe is D, the central axes of all the shaping wheels 94 are on a circle which takes the central axis of the welded pipe as the center and has the diameter of D + A, the welded pipe is shaped by the shaping wheel 94, and the turning wheel 92, the rough grinding wheel 93 and the finish grinding wheel 95 of each group of mixed grinding wheels 91 are coaxial with the shaping wheels 94 of each group;
the diameter of the turning wheel 92 is A-0.5, the diameter of the rough grinding wheel 93 is A-0.2, the diameter of the fine grinding wheel 95 is A, and the appearance of the welded pipe is free of exposed welding seams after turning, rough fine grinding and shaping;
the base material feeding mechanism 10 comprises guide plates 11 at two sides, an upper shaping roller 12, a lower shaping roller 13 and two side milling cutters 14, the base material enters from the space between the guide plates 11 at two sides, and after being leveled by the upper shaping roller 12 and the lower shaping roller 13, two sides of the base material are trimmed by the side milling cutters 14, so that the base material has accurate width dimension and excellent surface quality;
the traction mechanism 50 further comprises a base 57, a guide rail 58 is arranged on the base 57, the guide rail 58 is arranged in parallel to the axial direction of the welding roller, the fixed support frame 51 is arranged corresponding to the front end of the working section 61 of the welding roller, the fixed support frame 51 is fixedly arranged on the upper surface of the base 57, the bottom of the movable support frame 52 is supported on the guide rail 58 through a sliding block, and the movable support frame 52 is arranged in a linear direction along the guide rail 58;
a through hole 22 is formed in the forming seat 21, the fixed welding roller 53 is arranged by penetrating through the through hole 22, a spiral guide surface 23 is arranged on the inner ring of the through hole 22, the spiral guide surface 23 comprises an inlet 24 and an outlet 25, a guide roller 26 is arranged at the position of the inlet 24 of the spiral guide surface 23, shaping rollers 27 are respectively arranged at the corresponding positions of the outer ring periphery and the outlet of the spiral guide surface 23, the guide roller 26 and the shaping rollers 27 are respectively and fixedly arranged on the corresponding end surfaces of the forming seat 21 through connecting shafts, the material belt accurately enters the spiral guide surface 23 through the guide roller 26, and the shaping rollers 27 ensure that the spiral belt is spirally wound on the outer ring periphery of the working section 61 of the welding roller and is closely arranged on the outer ring periphery of the working section 61 of the welding roller; after the metal belt is tightly attached to the coaxial continuous roller 60, friction force is generated, and the coaxial continuous roller 60 rotates to drive the metal belt to rotate;
the bottom of the forming seat 21 is supported on the guide rail 58 through a sliding block, the forming seat 21 is fixedly connected with the corresponding end surface of the fixed support seat 51 through an axial spring 28, the spiral guide surface of the forming seat 21 is in sliding fit with the welding roller, the axial spring 28 drives the spiral belt in the spiral guide surface 23 to be tightly attached to the spiral belt which is formed at the rear end, and the forming seat 21 moves backwards under the action of the axial spring to ensure that the newly entered raw material is tightly attached to the edge of the spiral belt which is formed at the rear; in specific implementation, the axial springs 28 are six rectangular springs annularly arranged, so that enough axial pressure attaching force on the forming seat is ensured; the friction force generated on the surfaces of the metal belt and the welding roller is used as the resistance of the spring force, so that the metal belt cannot be pushed to be loose by the spring force, the pressing and attaching operation can be only realized, and the metal belt can be tightly attached;
the groove making mechanism 30 further comprises an air gun 32, the air gun 32 is located behind the cutter 31, and the air gun 32 blows broken dust generated by cutting away the concave V-shaped groove 80;
the cutter 31 is a circular cutter, a plurality of sharp teeth are arranged on the outer circumference part of the cutter 31, and the sharp teeth are processed along the spiral splicing seam to form an inward concave V-shaped groove 80;
the concave depth of the concave V-shaped groove 80 does not exceed the thickness of the material belt, so that the solder in the subsequent welding operation cannot penetrate into the outer surface of the welding roller;
the welding mechanism 40 further comprises an argon gun 42 and a protective cover 43, the welding gun 41 is used for welding the splicing seam position of the spiral belt, and the argon gun 42 sprays gaseous argon to protect the product being welded with the help of the protective cover 43 and avoid oxidation.
In specific implementation, the movable support seat 52 is driven by the motor 100 and the screw rod 101 to perform axial advancing operation, so that stable and reliable transmission is ensured;
the fixed welding roller 53 and the movable welding roller 54 are fixedly connected through fastening bolts (shielded in the figure and positioned inside the cavity) after the alignment splicing notches 59 are spliced in place, so that the subsequent synchronous rotation operation is ensured.
A manufacturing method of titanium and titanium alloy welded pipes comprises the steps that after a manufacturing device of the titanium and titanium alloy welded pipes is adopted, a fixed welding roller and a movable welding roller are spliced in advance to form a coaxial continuous roller, a titanium belt or a titanium alloy belt is used as a base material, the base material is guided and conveyed along a base material feeding mechanism according to a set length, then the working section of the welding roller of the coaxial continuous roller is spirally coated through a spiral guide hole of a shaping mechanism, the coaxial continuous roller rotates under the rotation of a rotation driving device, a belt-shaped base body is further coated from front to back to form a spiral belt, two adjacent spiral belts are driven to a close part in the axial direction of an axial spring to form a splicing seam, the outer surface of the splicing seam is processed through a groove making mechanism to form an inwards concave V-shaped groove, and then a welding gun of the welding mechanism fills the inwards concave V-shaped groove with welding flux to form the welded pipes.
In the specific implementation, the base material is a titanium and titanium alloy strip coil with the width of 60-80 mm, and the thickness is 0.5-8 mm;
the coaxial continuous roller consists of a fixed welding roller and a movable welding roller, the fixed welding roller is supported in a corresponding through hole of the fixed supporting seat and is axially fixedly arranged, the movable welding roller is supported in a corresponding through hole of the movable supporting seat, the movable supporting seat is driven by a motor and a lead screw mechanism, so that the fixed welding roller and the movable welding roller are spliced to form the coaxial continuous roller in a working state, or the fixed welding roller and the movable welding roller are far away from each other in the axial direction in a non-working state, and the axial spacing distance between the fixed welding roller and the movable welding roller is convenient for taking out a welded pipe in the non-working state;
a linear spring is arranged between the forming seat and the fixed supporting seat corresponding to the shaping mechanism, and drives the side edge of the spiral belt to be formed in the forming seat to be tightly attached to the corresponding side edge of the spiral belt formed at the rear part so as to form a splicing seam, so that the subsequent processing operation of the groove making mechanism is facilitated;
the fixed welding roller and the movable welding roller are fixedly connected through the fastening bolt after being spliced in place, so that the follow-up synchronous rotation operation is ensured.
The working principle is as follows: the titanium strip and the titanium alloy strip with certain width and thickness are conveyed along the direction of the base material feeding mechanism, then the titanium strip and the titanium alloy strip are spirally wrapped on the working section of the welding roller of the coaxial continuous roller through the spiral guide hole of the shaping mechanism, the coaxial continuous roller rotates under the rotation of the rotation driving device to further enable the strip-shaped matrix to be wrapped from front to back to form the spiral strip, the corresponding side edges of the two adjacent spiral strips are tightly attached to form a splicing seam, the outer surface of the splicing seam is processed through the groove making mechanism to form an inwards concave V-shaped groove, then the welding gun of the welding mechanism fills the inwards concave V-shaped groove with welding flux to form a welding pipe, the last two welding rollers are separated to take out the formed welding pipe, the metal strip is integrally formed into the metal pipe through the spiral welding seam, the metal pipe is good in flattening resistance and is not prone to crack.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A titanium and titanium alloy welded pipe manufacturing equipment is characterized by comprising:
a substrate feeding mechanism;
a shaping mechanism;
a groove making mechanism;
a welding mechanism;
the traction mechanism comprises two support frames, corresponding welding rollers are inserted into the upper positioning holes of each support frame through bearings respectively, the two welding rollers are combined into a coaxial continuous roller in a working state, the two welding rollers are far away from each other in the axis direction in a non-working state, the outer end opposite to one welding roller is connected with a rotation driving device, the rotation driving device drives the coaxial continuous roller to rotate and operate in the working state, and the area, located between the two support frames, of the coaxial continuous roller in the working state is used for manufacturing a welded pipe and is a welding roller working section;
the base material feeding mechanism is arranged on the outer side of one end of the welding roller working section in the length direction and is used for conveying the base material to the outer ring surface of the welding roller working section along the axial longitudinal section at a set inclination angle;
the shaping mechanism comprises a forming seat with a spiral surface, and is used for forming the base material conveyed by the base material feeding mechanism into a spiral shape to cover the outer ring surface of the working section of the welding roller;
the groove making mechanism is arranged on the periphery of the axial section of the working section of the welding roller and is positioned behind the shaping mechanism, the groove making mechanism comprises a cutter, the cutter is positioned on the periphery of the outer ring of the working section of the welding roller, and an inwards concave V-shaped groove is formed in the splicing seam area of the two tightly attached spiral belts through the cutter;
the welding mechanism is arranged on the periphery of an axial section of a working section of the welding roller and is positioned behind the groove making mechanism, the welding mechanism comprises a welding gun, the welding gun is positioned on the periphery of the outer ring of the working end of the welding roller, and the welding gun fills the concave V-shaped groove with welding flux to form a welding seam;
the coaxial continuous roller rotates to drive the metal strips to spirally surround the outer ring circumference of the coaxial continuous roller from front to back until the length of the metal strips reaches a preset size, and at the moment, splicing seams among the spiral metal strips form an inward-concave V-shaped groove through the groove making mechanism respectively.
2. The titanium and titanium alloy welded pipe manufacturing apparatus according to claim 1, wherein: the finishing mechanism is arranged on the periphery of the axial section of the working section of the welding roller and is positioned behind the welding mechanism.
3. The titanium and titanium alloy welded pipe manufacturing apparatus according to claim 2, wherein: the finishing mechanism is formed by combining three groups of mixed grinding wheels, and the three groups of mixed grinding wheels are uniformly distributed around the outer circumference of the corresponding axial region of the working section of the welding roller at 120 degrees.
4. The titanium and titanium alloy welded pipe manufacturing apparatus according to claim 3, wherein: each group of mixed grinding wheels is provided with a turning wheel, a rough grinding wheel, a shaping wheel and a fine grinding wheel from front to back, the self diameters of the three shaping wheels are A, the theoretical diameter of the welded pipe is D, the central axes of all the shaping wheels are on a circle which takes the central axis of the welded pipe as the center of the circle and has the diameter of D + A, and the turning wheel, the rough grinding wheel and the fine grinding wheel of each group of mixed grinding wheels are coaxial with the respective group of shaping wheels.
5. The titanium and titanium alloy welded pipe manufacturing apparatus according to claim 1, wherein: the base material feeding mechanism comprises guide plates on two sides, an upper shaping roller, a lower shaping roller and milling cutters on two sides.
6. The titanium and titanium alloy welded pipe manufacturing apparatus according to claim 1, wherein: the traction mechanism is characterized by further comprising a base, a guide rail is arranged on the base, the guide rail is parallel to the axial arrangement of the welding roller, the two support frames are respectively a fixed support frame and a movable support frame, the fixed support frame is arranged corresponding to the front end of the working section of the welding roller, the fixed support frame is fixedly arranged on the upper surface of the base, the bottom of the movable support frame is supported on the guide rail through a sliding block, and the movable support frame is movably arranged along the linear direction of the guide rail.
7. The titanium and titanium alloy welded pipe manufacturing apparatus according to claim 1, wherein: the forming seat is internally provided with a through hole, a welding roller penetrates through the through hole to be arranged, an inner ring of the through hole is provided with a spiral guide surface, the spiral guide surface comprises an inlet and an outlet, a guide roller is arranged at the inlet of the spiral guide surface, shaping rollers are respectively arranged at the corresponding positions of the periphery of the outer ring of the spiral guide surface and the outlet, and the guide roller and the shaping rollers are respectively and fixedly arranged on the corresponding end surfaces of the forming seat through connecting shafts.
8. The titanium and titanium alloy welded pipe manufacturing apparatus according to claim 6, wherein: the bottom of the forming seat is supported on the guide rail through a sliding block, the forming seat is fixedly connected with the corresponding end face of the fixed supporting seat through an axial spring, and the spiral guide face of the forming seat is in sliding fit with the welding roller.
9. The titanium and titanium alloy welded pipe manufacturing apparatus according to claim 1, wherein: the groove making mechanism further comprises an air gun, the air gun is located at the rear position of the cutter, and broken dust generated by cutting is blown away from the concave V-shaped groove by the air gun.
10. The titanium and titanium alloy welded pipe manufacturing apparatus according to claim 1, wherein: welding mechanism is still including argon gas rifle and safety cover, welder is used for welding the concatenation seam position of spiral area, argon gas rifle blowout gaseous argon gas, protection under the help of safety cover are welding the product, avoid oxidizing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220743270.1U CN217800139U (en) | 2022-04-01 | 2022-04-01 | Titanium and titanium alloy welded pipe manufacturing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220743270.1U CN217800139U (en) | 2022-04-01 | 2022-04-01 | Titanium and titanium alloy welded pipe manufacturing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217800139U true CN217800139U (en) | 2022-11-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220743270.1U Active CN217800139U (en) | 2022-04-01 | 2022-04-01 | Titanium and titanium alloy welded pipe manufacturing equipment |
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| Country | Link |
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| CN (1) | CN217800139U (en) |
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2022
- 2022-04-01 CN CN202220743270.1U patent/CN217800139U/en active Active
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