CN210131934U - Steel pipe expands system and steel pipe expands machine soon - Google Patents
Steel pipe expands system and steel pipe expands machine soon Download PDFInfo
- Publication number
- CN210131934U CN210131934U CN201920538760.6U CN201920538760U CN210131934U CN 210131934 U CN210131934 U CN 210131934U CN 201920538760 U CN201920538760 U CN 201920538760U CN 210131934 U CN210131934 U CN 210131934U
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- base
- profiling
- disc
- profiling roller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/28—Making tube fittings for connecting pipes, e.g. U-pieces
Abstract
A steel pipe rotary expanding system and a steel pipe rotary expanding machine belong to the technical field of steel pipe production equipment. The method is characterized in that: including the final drive system, the final drive system includes rotatable disc (1), is equipped with interior mould device on disc (1), interior mould device include a plurality of profiling rollers (4), every profiling roller (4) are fixed on a profiling roller base (3), profiling roller base (3) slide and set up on disc (1), profiling roller base (3) can follow disc (1) radial movement under the drive of profiling roller hydro-cylinder (37). The steel pipe rotary expanding system carries out rotary expanding on the pipeline joint through the profiling roller, greatly improves the processing precision of the pipeline joint and facilitates the butt joint of steel pipes; the steel pipe rotary expanding system adopts the electric pushing device to push the ejector rod to move axially, so that the problem that the high temperature of hydraulic oil is difficult to control can be avoided; the steel pipe lifting system of the rotary expanding machine pushes the steel pipe to lift, so that the steel pipe is aligned with the disc of the steel pipe rotary expanding system, and the rotary expanding machine is convenient to process.
Description
Technical Field
A steel pipe rotary expanding system and a steel pipe rotary expanding machine belong to the technical field of steel pipe production equipment.
Background
The integrated quick socket joint steel pipe is a novel joint mode, is compared with traditional welding and flange type connection, and has the characteristics of low cost, convenient construction, high connection efficiency, flexibility and the like. Therefore, the water supply, drainage and gas pipeline is rapidly developed in China. Especially in complex environmental conditions such as underground pipe gallery, coal mine tunnel, because reasons such as the space is narrow and small, can't fire, its advantage obtains further embodiment. However, the traditional mode is difficult to machine and manufacture, the manual production cost is high, and the efficiency is low, so that the development of the rotary expanding machine for producing the integrated quick socket joint steel pipe is particularly important.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: the defects of the prior art are overcome, and the steel pipe rotary expanding system and the steel pipe rotary expanding machine are provided, wherein the steel pipe rotary expanding system is simple and convenient to process and manufacture, low in production cost, high in production efficiency and high in automation degree.
The utility model provides a technical scheme that its technical problem adopted is: this steel pipe expands system soon, its characterized in that: including the main drive system, the main drive system includes rotatable disc, is equipped with interior mould device on the disc, interior mould device include a plurality of profiling rollers, every profiling roller is fixed on a profiling roller base, profiling roller base slides and sets up on the disc, the drive of profiling roller hydro-cylinder can be followed disc radial movement to the profiling roller base.
Preferably, still include unable adjustment base, the last slip of unable adjustment base sets up the mobile base, and the slip is equipped with the main drive system on the mobile base.
Preferably, the moving base is driven by a transverse moving system to slide along the fixed base, the transverse moving system comprises a transverse moving motor speed reducer unit, the transverse moving motor speed reducer unit drives a gear through a coupler, and a rack matched with the gear is fixed at the bottom of the moving base.
Preferably, the movable base is further fixed with an outer mold device, and the outer mold device comprises a lower mold and an upper mold.
Preferably, the lower die is fixed on the lower die base, the lower die base is fixed on the movable base, the upper die is fixed on the upper die base, the upper die base and the lower die base are connected together in a sliding mode through the guide columns, and the upper die base and the lower die base are driven by the die oil cylinder to move up and down in an opening and closing mode.
Preferably, the bed head box is arranged on the movable base in a sliding mode, and the disc is installed on the bed head box and driven by the profiling motor.
Preferably, the main transmission system is driven by a feeding system to slide along the movable base, and the feeding system comprises a feeding motor speed reducing unit and a ball screw unit.
Preferably, the profiling roller oil cylinder is connected with the disc through a fixed seat, and oil supply is realized through a rotary joint.
The utility model provides a steel pipe expands system soon which characterized in that: including the main drive system, the main drive system includes rotatable disc, is equipped with interior mould device on the disc, interior mould device include a plurality of profiling rollers, every profiling roller is fixed on a profiling roller base, profiling roller base slides and sets up on the disc, the coaxial ejector pin that is provided with in one side of disc, the ejector pin is connected with the electronic thrust unit who promotes its axial displacement, the one end of ejector pin is provided with the conical promotion portion that gradually enlarges by tip to middle part diameter, promotion portion promotes the radial movement of profiling roller base synchronous edge disc, every profiling roller base all is connected with the spring that promotes its compressing tightly promotion portion.
Preferably, the profiling roller base is arranged between the corresponding spring and the pushing portion, one end, far away from the corresponding profiling roller base, of the spring is provided with an adjusting screw, the adjusting screw is in threaded connection with the disc, and the adjusting screw pushes the corresponding spring to press the corresponding profiling roller.
Preferably, the electric pushing device comprises a profiling push rod and an adjusting motor, the profiling push rod is coaxially connected with the ejector rod and pushes the ejector rod to move axially, the profiling push rod is a lead screw, and the adjusting motor is connected with a profiling nut matched with the profiling lead screw.
The utility model provides a steel pipe expands machine soon which characterized in that: the steel pipe rotary expanding device comprises a steel pipe lifting system and the steel pipe rotary expanding system, wherein the steel pipe lifting system is arranged on one side, close to a disc, of the steel pipe rotary expanding system and is arranged at intervals with the steel pipe rotary expanding system.
Preferably, the steel pipe lifting system comprises a lifting base, a lifting oil cylinder is arranged on the lifting base, and a V-shaped roller is fixed at the top of the lifting oil cylinder.
Preferably, the steel pipe rotary expanding system comprises two sets which are arranged symmetrically left and right.
Compared with the prior art, the utility model discloses the beneficial effect who has is:
1. the steel pipe rotary expanding system is used for rotary expanding the pipeline joint through the profiling roller, so that the machining precision of the pipeline joint is greatly improved, and when the steel pipe is in quick socket joint butt joint, a male head can be quickly and smoothly inserted into a female head, so that the butt joint of the steel pipe is facilitated, and the sealing of the steel pipe joint due to the large error of the steel pipe joint is avoided.
2. The movable base is slidably mounted on the fixed base, the main transmission system is slidably mounted on the movable base, so that the installation of the steel pipes is facilitated, the feeding of the profiling rollers is facilitated, the use is convenient, the movable base is driven to move through the transverse moving device, and the processing of the steel pipes with different lengths can be realized.
3. The movable base is driven by the transverse moving motor speed reducer set, translation is realized through meshing of the gear and the rack, transmission is accurate, and translation stability of the movable base is guaranteed.
4. The movable base is provided with a profiling die, and the processing of steel pipes with different pipe diameters can be realized by adjusting the position of the profiling roller on the disc and replacing the upper die and the lower die of the outer die device with different pipe diameters; the processing of different types of joint shapes can be realized by replacing the profiling roller of the inner die device and the upper die and the lower die of the outer die device, and the profiling oil cylinder pushes the upper die to move, so that the die opening and closing of the upper die and the lower die are realized, and the use is convenient.
5. The guide post can lead the lift of upper die base, guarantees to go up the mould and the lower mould is adjusted well, avoids causing the damage to the steel pipe of processing instead.
6. The disc is driven by the profiling motor, so that the rotation of the disc is realized, the profiling roller and the steel pipe rotate relatively, and the rotary expansion of the end of the steel pipe is realized.
7. The work feed motor speed reducer unit drives the main transmission system to slide along the movable base through the ball screw group, so that the transmission is accurate, and the feeding of the disc and the profiling roller is facilitated.
8. The profiling roller oil cylinder realizes oil supply through a rotary joint, and the oil supply is convenient.
9. This steel pipe expands system soon adopts electronic thrust unit to promote ejector pin axial displacement to promote the profiling roller base through the promotion portion of ejector pin tip and follow disc radial movement, can avoid the problem that hydraulic oil high temperature is difficult to control, the spring promotes profiling roller base and compresses tightly promotion portion, has guaranteed that the removal of profiling roller base is more accurate.
10. The adjusting screw can adjust the pressure of the spring, and errors caused by aging of the spring are avoided.
11. The adjusting motor pushes the ejector rod to move axially through the matching of the profiling push rod and the profiling nut, so that the transmission is more accurate, and the distance of the axial movement of the ejector rod is conveniently and accurately controlled.
12. The steel pipe lifting system of the rotary expanding machine pushes the steel pipe to lift, so that the steel pipe is aligned with the disc of the steel pipe rotary expanding system, and the rotary expanding machine is convenient to process.
13. The lifting oil cylinder pushes the V-shaped roller to lift and drives the steel pipe to lift, so that the steel pipe and the disc are aligned conveniently, and the profiling roller can stretch into the end part of the steel pipe conveniently.
14. The two sets of steel pipe rotary expanding systems can simultaneously carry out rotary expansion on two ends of a steel pipe, can complete the rotary expansion of the two ends of the steel pipe by one-time feeding, and is high in processing speed.
Drawings
FIG. 1 is a schematic front view of a steel pipe rotary expanding system.
Fig. 2 is a schematic left side view of the disk.
Fig. 3 is a partially enlarged view of a portion a in fig. 2.
Fig. 4 is a front cross-sectional view of the disk.
Fig. 5 is a front cross-sectional view of the feeding mechanism of the steel pipe rotary expanding system.
Fig. 6 is a left side sectional view of the feeding mechanism of the steel pipe rotary expanding system.
Fig. 7 is a left side view of the translation mechanism of the steel pipe rotary expanding system.
Fig. 8 is a front cross-sectional view of a pipe docking structure.
Fig. 9 is a partial enlarged view of fig. 8 at B.
FIG. 10 is a schematic front view of the steel pipe rotary expanding system in example 2.
Fig. 11 is a right-side view schematically illustrating the translation mechanism of the steel pipe rotary expanding system in embodiment 2.
In the figure: 1. the device comprises a disc 2, a guide plate 3, a profiling roller base 4, a profiling roller 5, a spring 6, a mandril 7, an adjusting screw 8, a profiling die 801, an upper die 802, a lower die 9, a die oil cylinder 10, a profiling motor 11, a band-type brake 12, a moving base 13, a feeding frame 14, a feed motor speed reducer set 15, a lifting base 16, a lifting oil cylinder 17, a V-shaped roller 18, an upper die base 19, a feed screw 20, a feed nut 21, a rack 22, a flat rail 23, a V-shaped rail 24, a transverse moving motor speed reducer set 25, a translation rotating shaft 26, a gear 27, a translation guide rail 28, a lower die base 29, a fixed base 30, a guide column 31, a male head 32, a female head 3201, a sealing groove 3202, a detection hole 33, a hoop 34, a V-shaped sealing ring 35, an O-shaped sealing ring 36, a fixed seat 39, a headstock 40, a gear set 41, a gear base 42 and a traverse device base.
Detailed Description
Fig. 1 to 9 are preferred embodiments of the present invention, and the present invention will be further explained with reference to fig. 1 to 11.
Example 1
The utility model provides a steel pipe expands system soon, including the main drive system, the main drive system includes rotatable disc 1, mould device in being equipped with on disc 1, interior mould device includes a plurality of profiling rollers 4, every profiling roller 4 is fixed on a profiling roller base 3, profiling roller base 3 slides and sets up on disc 1, the coaxial ejector pin 6 that is provided with in one side of disc 1, ejector pin 6 is connected with the electronic thrust unit who promotes its axial displacement, the one end of ejector pin 6 is provided with the conical promotion portion that gradually enlarges by tip to middle part diameter, the radial movement of disc 1 is followed in step to promotion profiling roller base 3 that promotion portion promotes, every profiling roller base 3 all is connected with promotes its spring 5 that compresses tightly the promotion portion. This steel pipe expands system soon adopts electronic thrust unit to promote 6 axial displacement of ejector pin, and promote the portion of promoting through 6 tip of ejector pin and promote profiling roller base 3 along 1 radial displacement of disc, can avoid the problem that hydraulic oil high temperature is difficult to control, spring 5 promotes profiling roller base 3 and compresses tightly the portion of promoting, it is more accurate to have guaranteed the removal of profiling roller base 3, expand pipe joint soon through profiling roller 4, pipe joint's machining precision has greatly been improved, thereby when 36 quick socket joint docks of steel pipe, can make in the quick smooth and easy female head 32 of inserting of male head 31, the butt joint of 36 steel pipe has been made things convenient for promptly, also avoided because the great sealed of influence joint department of joint error.
The present invention is further described with reference to specific embodiments, however, it will be understood by those skilled in the art that the detailed description given herein with respect to the drawings is for better explanation and that the present invention is necessarily to be construed as limited to those embodiments, and equivalents or common means thereof will not be described in detail but will fall within the scope of the present application.
As shown in FIGS. 1-4: the profiling device comprises at least one profiling roller 4 arranged on the disc 1, wherein the profiling roller 4 is slidably arranged on one side of the disc 1, the profiling roller 4 is connected with an electric pushing device for driving the profiling roller to move towards the radial direction of the disc 1, and the axis of the profiling roller 4 is parallel to or intersected with the axis of the disc 1. This disc 1 that the disc was expanded soon to pipeline drives profiling roller 4 and rotates around the axis of disc 1 to can expand soon pipe joint, cooperate the outer profiling mould 8 of pipeline, improve pipe joint's machining precision greatly, thereby when the quick socket joint of steel pipe 36 docks, can make in the quick smooth and easy female head 32 of inserting of public head 31, made things convenient for the butt joint of steel pipe 36 promptly, also avoided because the great sealed of influence pipe joint department of steel pipe joint error.
The middle part of the disc 1 is coaxially provided with a through hole, the profiling roller 4 is arranged on one side of the disc 1 in a sliding way, the electric pushing device is arranged on the other side of the disc 1, and the ejector rod 6 is coaxially arranged in the through hole of the disc 1. The power device and the ejector rod 6 are arranged on the same side of the disc 1, and the electric pushing device is connected with the ejector rod 6 and pushes the ejector rod 6 to move axially. One end of the ejector rod 6, which is far away from the electric pushing device, is a conical pushing part with the diameter gradually reduced from the end part to the middle part, the electric pushing device pushes the ejector rod 6 to move axially, and the pushing part of the ejector rod 6 pushes the profiling roller 4 to move along the radial direction of the disc 1. Each profiling roller 4 is connected with a spring 5 for pushing the profiling roller to press the pushing part, and the profiling rollers 4 are arranged between the corresponding springs 5 and the ejector rods 6.
The electric pushing device comprises a profiling push rod and an adjusting motor, the profiling push rod is arranged at one end, far away from the profiling roller 4, of the ejector rod 6, the profiling push rod is coaxially connected with the ejector rod 6 and keeps synchronous movement, the profiling push rod is a lead screw, an output shaft of the adjusting motor is arranged in parallel with the profiling push rod, an output shaft of the adjusting motor is connected with a profiling nut which rotates synchronously with the profiling push rod, and the profiling nut is meshed with the profiling push rod so as to push the ejector rod 6 to move axially. Compared with the pushing by adopting an oil cylinder, the high-temperature hydraulic oil can be prevented from being difficult to control by pushing through the adjusting motor, and the control is accurate. The electric pushing device can also be an electric screw rod and a profiling nut matched with the electric screw rod, and the profiling nut is fixedly arranged. The electric pushing device can also be an electric push rod or an oil cylinder. Profiling roller 4 can set up one, also can encircle the axis interval equipartition of disc 1 and have a plurality ofly, and in this embodiment, profiling roller 4 interval equipartition has two to guarantee to revolve the power symmetry that expands to the profile modeling of pipe, can enough guarantee that the rotation of disc 1 is more stable, can guarantee again that the processing to pipeline end portion is more accurate.
The profiling roller 4 is installed on the disc 1 through the profiling roller base 3, the axis of the profiling roller 4 is parallel to the axis of the disc 1, the profiling roller base 3 is arranged on one side, away from the electric pushing device, of the disc 1, the profiling roller base 3 is parallel to the disc 1, the profiling roller base 3 corresponds to the profiling roller 4 one by one, the profiling roller 4 is rotatably installed on one side, away from the disc 1, of the corresponding profiling roller base 3, and the profiling roller base 3 is slidably installed on the disc 1. One end of the profiling roller base 3 close to the axis of the disc 1 is attached to the pushing part, and preferably, one end of the profiling roller base 3 close to the axis of the disc 1 is inclined and matched with the pushing part of the ejector rod 6 and is in sliding connection with the pushing part of the ejector rod 6. The axis of the profiling roller 4 may also intersect the axis of the disc 1.
All the symmetry installs deflector 2 on the disc 1 of every profile modeling roller base 3's both sides, deflector 2 sets up along the slip direction of the profile modeling roller base 3 that corresponds, form the profile modeling roller guide way, 3 slidable mounting of profile modeling roller base are in the profile modeling roller guide way that corresponds, deflector 2 leads to the profile modeling roller base 3 that corresponds, guarantee the radial translation of the profile modeling roller base 3 that corresponds along disc 1, avoid adding the profile modeling roller 4 and take place the displacement when handling pipeline end, influence the precision of the pipeline end of processing.
One side of each guide plate 2, which is far away from the disc 1, is bent towards the inside of the profiling roller guide groove, so that the corresponding profiling roller base 3 is compressed, the 3-line translation of the profiling roller base is ensured, and the processing precision is further ensured.
One end, far away from the axis of the disc 1, of each profiling roller base 3 is provided with an adjusting screw 7, the adjusting screws 7 are arranged along the radial direction of the disc 1, the adjusting screws 7 are in threaded connection with the disc 1, the springs 5 are arranged between the corresponding adjusting screws 7 and the profiling roller bases 3, the adjusting screws 7 can adjust the elasticity of the springs 5, and therefore the situation that the profiling roller bases 3 are separated from the ejector rods 6 due to the fact that the springs 5 are aged is avoided.
The steel pipe rotary expanding system further comprises a fixed base 29, a movable base 12 is arranged on the fixed base 29 in a sliding mode, a feeding frame 13 is installed on the movable base 12, the feeding frame 13 is installed on the movable base 12 in a sliding mode, the feeding frame 13 is connected with a feeding system for pushing the feeding frame to move, the movable base 12 is installed on the fixed base 29 in a sliding mode, and the movable base 12 is connected with a transverse moving system for pushing the movable base to move in a sliding mode. The profiling die 8 is ring-shaped. The feed frame 13 is provided with a headstock 39, and the disc 1 is rotatably mounted on the headstock 39.
The disc 1 is vertically arranged, the ejector rod 6 is slidably mounted on the feeding frame 13, the disc 1 and the ejector rod 6 synchronously feed along with the feeding frame 13, the feeding frame 13 translates along the axis direction of the disc 1, and the disc 1 is connected with a profiling motor 10 for driving the disc 1 to rotate. The profiling motor 10 is installed on the feeding frame 13, an output shaft of the profiling motor 10 is connected with the disc 1 and drives the disc 1 to rotate, and an internal contracting brake 11 is further arranged on the output shaft of the profiling motor 10 so as to assist the profiling motor 10 to stop rotating. The movable base 12 is also provided with a profiling die 8, and the profiling die 8 and the disc 1 are coaxially arranged. The output shaft of the profiling motor 10 drives the disc 1 to rotate through the gear set 40.
As shown in FIGS. 5 to 7: the feeding system comprises a feeding motor speed reducer unit 14 and a screw nut pair, the feeding motor speed reducer unit 14 is installed on the movable base 12, the feeding motor speed reducer unit 14 is arranged at one end, far away from the disc 1, of the movable base 12, and the axis of the output shaft of the feeding motor speed reducer unit 14 is parallel to the axis of the disc 1. The movable base 12 is rotatably provided with a feed screw 19, the axis of the feed screw 19 is parallel to the axis of the disc 1, the feed screw 19 is arranged at the lower side of the feed frame 13, and the output shaft of the work feed motor speed reduction unit 14 is connected with the feed screw 19 and drives the feed screw 19 to rotate. A feed nut 20 engaged with the feed screw 19 is disposed under the feeding frame 13 to form a screw nut pair, preferably a ball screw set, and the feed nut 20 is fixedly connected to the feeding frame 13 and drives the feeding frame 13 to move synchronously.
A feeding guide rail is arranged on the upper side of the movable base 12, and the feeding frame 13 is slidably arranged on the feeding guide rail. The feeding guide rail comprises a flat rail 22 and a V-shaped rail 23 which are symmetrically arranged on two sides of the moving base 12, and the flat rail 22 and the V-shaped rail 23 are arranged along the direction parallel to the axis of the disc 1, so that the feeding frame 13 can be guided to move, the feeding frame 13 and the moving base 12 can be prevented from displacing in the direction perpendicular to the axis of the disc 1, and the processing precision is ensured.
The transverse moving system comprises a transverse moving motor speed reducer unit 24, the transverse moving motor speed reducer unit 24 is installed on one side of the fixed base 29, and the transverse moving motor speed reducer unit 24 is installed on a transverse moving device base 42. The transverse moving motor speed reducer unit 24 is arranged on one side of the moving base 12, an output shaft of the transverse moving motor speed reducer unit 24 is horizontally arranged towards the moving base 12, the axis of the output shaft of the transverse moving motor speed reducer unit 24 is perpendicular to the axis of the disc 1, a translation rotating shaft 25 is rotatably arranged on the fixed base 29, the translation rotating shaft 25 is horizontally arranged, the axis of the translation rotating shaft 25 is perpendicular to the axis of the disc 1, and the translation rotating shaft 25 is connected with the output shaft of the transverse moving motor speed reducer unit 24. A transmission shaft is arranged between the translation rotating shaft 25 and the transverse moving motor speed reducing unit 24, one end of the transmission shaft is connected with the translation rotating shaft 25 through a universal coupling, and the other end of the transmission shaft is connected with an output shaft of the transverse moving motor speed reducing unit 24 through the universal coupling, so that the installation difficulty of the transverse moving motor speed reducing unit 24 is reduced.
The lower side of the middle part of the moving base 12 is provided with a rack 21, the rack 21 is arranged along the direction parallel to the axis of the disc 1, and the rack 21 is arranged on the lower side of the moving base 12. The translation rotating shaft 25 is coaxially provided with a gear 26, the gear 26 and the translation rotating shaft 25 rotate synchronously, and the gear 26 is arranged at the lower side of the rack 21 and meshed with the rack 21, so that the translation of the mobile base 12 is realized.
The profiling die 8 comprises an upper die 801 and a lower die 802, wherein the upper die 801 is arranged on the lower side of the upper die holder 18, the lower die 802 is arranged on the upper side of the lower die holder 28, and the upper die 801 and the lower die 802 enclose a circle. The upper die base 18 is arranged on the upper side of the lower die base 28, the upper die base 18 is connected with the lower die base 28 through the guide posts 30, the vertical guide posts 30 are symmetrically arranged on two sides of the lower die base 28, the guide holes are symmetrically arranged on two sides of the upper die base 18, and the upper portions of the guide posts 30 are slidably arranged in the guide holes on the corresponding sides, so that accurate die assembly is guaranteed. The die oil cylinders 9 are arranged between the upper die holder 18 and the lower die holder 28, the two die oil cylinders 9 are symmetrically arranged on two sides of the lower die holder 28, the die oil cylinders 9 are arranged on the lower die holder 28, the die oil cylinders 9 are vertically arranged, and piston rods of the die oil cylinders 9 are connected with one side, corresponding to the upper die holder 18, so that the upper die holder 18 is pushed to lift, and the die assembly of the profiling die 8 is realized. The upper mold 801 and the lower mold 802 enclose a circular shape coaxially arranged with the disc 1.
The utility model also provides a expand machine soon, expand the system soon including steel pipe operating system and foretell steel pipe, steel pipe operating system sets up and expands one side that the system is close to disc 1 soon at the steel pipe to expand the system interval setting soon with the steel pipe. The steel pipe lifting system of the rotary expanding machine pushes the steel pipe to lift, so that the steel pipe is aligned with the disc of the steel pipe rotary expanding system, and the rotary expanding machine is convenient to process.
The steel pipe lifting system is arranged on one side, away from the disc 1, of the profiling die 8, the steel pipe rotary expansion systems are provided with two steel pipe rotary expansion systems which are arranged at intervals, the steel pipe lifting system is arranged between the two steel pipe rotary expansion systems, at least one steel pipe lifting system is arranged, and the profiling die 8 of the steel pipe rotary expansion system is arranged close to the steel pipe lifting system. This steel pipe operating system who expands machine soon can support steel pipe 36, and the steel pipe of cooperation steel pipe operating system both sides expands the system soon, expands soon two ends of steel pipe 36 simultaneously, and the precision to steel pipe 36 processing is high, male head 31 can be smooth and easy female head 32 of inserting when the steel pipe docks, still has advantages such as low in production cost, production efficiency height, manufacturing are simple and convenient, extensive applicability.
The steel pipe expands system and steel pipe operating system one-to-one soon, and the steel pipe expands the system soon and has two of symmetry setting, and steel pipe operating system sets up between two steel pipe expand systems soon, and steel pipe expand the disc 1 of system soon and be close to the steel pipe operating system setting that corresponds, and steel pipe operating system expands the system setting soon near the steel pipe that corresponds.
The steel pipe lifting system comprises a lifting base 15, a lifting oil cylinder 16 is installed on the lifting base 15, a V-shaped roller 17 is installed at the top of the lifting oil cylinder 16, the lifting oil cylinder 16 is vertically arranged on the lifting base 15, a piston rod of the lifting oil cylinder 16 is arranged upwards, the V-shaped roller 17 is arranged on the upper side of the lifting oil cylinder 16, the V-shaped roller 17 is installed on the piston rod of the lifting oil cylinder 16, and a pipeline to be processed is supported through the V-shaped roller 17.
The rotary expanding machine is mainly used for machining the end of a steel pipe, and the working method of the rotary expanding machine is as follows: firstly, the steel pipe to be processed is placed on the V-shaped rollers 17 of the two steel pipe lifting systems, then the height of the steel pipe is adjusted through the lifting oil cylinder 16, the transverse moving system drives the moving base 12 to move towards the direction close to the end of the pipeline, and the two profiling dies 8 respectively clamp the corresponding ends of the steel pipe, the work feeding system drives the disc 1 to move towards the end close to the steel pipe, and the profiling rollers 4 stretch into the corresponding ends of the pipeline, the electric pushing device pushes the ejector rods 6 to move towards the inside of the steel pipe, and the profiling rollers 4 tightly press the inner walls of the end of the steel pipe, then the profiling motor 10 drives the disc 1 to rotate, the profiling rollers 4 are matched with the profiling dies 8 on the corresponding sides to process the steel pipe 36, and the processing precision.
As shown in FIGS. 8 to 9: processing out public head 31 and female head 32 through above-mentioned pipeline system of expanding soon on the pipeline, public head 31 and female head 32 link to each other with the pipeline that corresponds respectively, and the diameter of public head 31 and female head 32 is greater than the diameter of the pipeline that corresponds respectively, and public head 31 stretches into in the female head 32, encircles the internal wall interval of female head 32 and is provided with a plurality of seal grooves 3201, all is provided with the sealing washer in every seal groove 3201, and the sealing washer in at least one seal groove 3201 is V-arrangement sealing washer 34. This female head 32 of pipeline butt joint structure and public head 31's diameter all are greater than the pipeline that corresponds, make things convenient for the butt joint of pipeline, and can not cause the hindrance to the delivery rate of pipeline after the butt joint, in addition can also make things convenient for female head 32 and public head 31's fastening, and can rely on the packing force of soil to compress tightly public head 31 and female head 32 when burying underground, avoid public head 31 and female head 32 to throw off under the pressure effect, then take place to leak, the sealing washer has a plurality ofly, thereby can form the multilayer and seal, avoid leaking, at least one sealing washer is V-arrangement sealing washer 34, when pressurizeing in the pipeline, V-arrangement sealing washer 34 can take place to deform, thereby it is inseparabler reliable with female head 32 and public head 31's laminating, it is sealed effectual, can not take place to leak, service life is prolonged.
One end of the male head 31 is integrally connected with the corresponding pipeline, the other end of the male head 31 is an open end, and the male head 31 and the corresponding pipeline are coaxially arranged. One end of the female head 32 is integrally arranged with the corresponding pipeline, the other end is an open end of the female head 32, and the female head 32 and the corresponding pipeline are coaxially arranged. The open end of the male portion 31 extends from the open end of the female portion 32 into the female portion 32 and is disposed coaxially with the female portion 32.
Be provided with public first butt joint portion between public head 31 and the pipeline that corresponds, through public first butt joint portion smooth transition between public head 31 and the pipeline that corresponds, public first butt joint portion is the toper that reduces gradually along the direction diameter that is close to the pipeline that corresponds, avoids appearing stress concentration, has improved the joint strength of public head 31 and the pipeline that corresponds. Female head 32 and the pipeline that corresponds between be provided with female head butt joint portion, through female head butt joint portion smooth transition between female head 32 and the pipeline that corresponds, female head butt joint portion is for the toper that reduces gradually along the direction diameter that is close to the pipeline that corresponds, avoids appearing stress concentration, has improved the joint strength of female head 32 and the pipeline that corresponds.
The opening end of the male head 31 is provided with a necking part with the diameter smaller than the diameter of the middle part, the necking part is a cone gradually reduced from the middle part of the male head 31 to the direction diameter of the end part, the opening end of the female head 32 is provided with an expanding part with the diameter larger than the diameter of the middle part, and the expanding part is a cone gradually increased from the middle part of the female head 32 to the direction diameter of the end part, so that the male head 31 can be conveniently stretched into the female head 32 during butt joint, and the butt joint is convenient. And the necking part of the male head 31 is matched with the female head butt joint part of the female head 32, so that the male head 31 can be limited, and the butt joint of the male head 31 and the female head 32 is further facilitated.
The inner wall interval that encircles female head 32 is provided with a plurality of seal grooves 3201, all is provided with the sealing washer in every seal groove 3201 to seal between female head 32 and the public head 31, form multilayer seal, avoid taking place to leak. The outer wall that encircles female head 32 is provided with the sealing of middle part evagination, sealing and seal groove 3201 one-to-one, and seal groove 3201 sets up at the sealing inboard that corresponds to avoid causing the influence to female head 32's intensity.
In the present embodiment, two seal grooves 3201 are provided at intervals in the axial direction of the female head 32, and a seal ring is provided in each seal groove 3201. Be provided with V-arrangement sealing washer 34 in the seal groove 3201 of the opening end that is close to public head 31, be provided with O shape sealing washer 35 in another seal groove 3201, when injecting pressure medium in the pipeline, V-arrangement sealing washer 34 can take place deformation under the pressure effect, thereby it is inseparabler with public head 31 and female head 32 laminating, and pressure is big more, V-arrangement sealing washer 34 deformation is big more, sealed effect is better, thereby avoid public head 31 and female head 32 to take place to leak under the pressure effect, O shape sealing washer 35 forms double-deck sealing with V-arrangement sealing washer 34, sealed effect has further been improved.
Be provided with inspection hole 3202 on the female head 32 between two seal grooves 3201, inspection hole 3202 runs through the pipe wall setting of female head 32, and after the butt joint of male head 31 and female head 32 was accomplished, inject the high pressure water into through inspection hole 3202 between female head 32 and the male head 31, can be convenient detect out the leakproofness of two sealing washers, convenient operation during the detection, and detection effect is good, and the convenience is to doing further maintenance between male head 31 and the female head 32.
In this embodiment, public head 31 and female head 32 mainly used expose the use, are provided with clamp 33 between female head 32 and the public head 31 consequently, and the both ends of clamp 33 are the toper that reduces gradually along middle part to the direction diameter of tip, and the both ends of clamp 33 cooperate with public first butt joint portion and female first butt joint portion respectively to carry out the card to public head 31 and female head 32 and fix, guarantee that public head 31 and female head 32 butt joint are firm, avoid public head 31 and female head 32 to throw off when sending into high-pressure medium in the pipeline.
The yoke 33 is divided into two sections in the circumferential direction, and the yokes 33 at both ends are detachably connected by bolts, thereby facilitating the arrangement of the yoke 33.
Example 2
As shown in FIGS. 10 to 11: the fixed base 29 is provided with a movable base 12 in a sliding way, the movable base 12 is driven by a transverse moving system to slide along the fixed base 29, the transverse moving system comprises a transverse moving motor speed reducer unit 24, the transverse moving motor speed reducer unit 24 is fixed on a transverse moving device base 42, the transverse moving motor speed reducer unit 24 drives a gear 26 on a gear base 41 through a coupling, and the bottom of the movable base 12 is fixed with a rack 21 matched with the gear 26. The movable base 12 is provided with a main transmission system in a sliding manner, the main transmission system is driven by a feeding system to slide along the movable base 12, and the feeding system comprises a feeding motor speed reducing unit 14 and a ball screw unit. The main transmission system comprises a headstock 39, the headstock 39 is arranged on the movable base 12 in a sliding mode, the disc 1 is installed on the headstock 39 and driven by a profiling motor 10, and the profiling motor 10 is provided with an internal contracting brake 11. An inner die device is arranged on the disc 1 and comprises a plurality of profiling rollers 4, each profiling roller 4 is fixed on one profiling roller base 3, the profiling roller bases 3 are arranged on the disc 1 in a sliding mode, the profiling roller bases 3 can move along the radial direction of the disc 1 under the driving of profiling roller oil cylinders 37, the profiling roller oil cylinders 37 are connected with the disc 1 through fixing seats 38, and oil supply is achieved through rotating joints; an outer die device is further fixed on the movable base 12 and comprises a lower die 802 and an upper die 801, the lower die 802 is fixed on the lower die base 28, the lower die base 28 is fixed on the movable base 12, the upper die 801 is fixed on the upper die base 18, the upper die base 18 and the lower die base 28 are connected together in a sliding mode through a guide column 30, and the upper die base 18 and the lower die base 28 are driven by the die oil cylinder 9 to move up and down in an opening and closing mode.
When the device works, the steel pipe 36 is placed on the V-shaped roller 17 of the lifting system, the V-shaped roller 17 lifts the steel pipe 36 to the central position of the rotary expander (namely the central position of the disc 1) under the driving of the lifting oil cylinder 16, and the lower die 802 and the upper die 801 of the outer die device are opened under the action of the die oil cylinder 9; the transverse moving motor speed reducer unit 24 acts, the movable base 12 is driven to advance through the meshing of the gear 26 and the rack 21, the steel pipe 36 on the V-shaped roller 17 enters between the two sets of lower dies 802 and the upper die 801, the lifting oil cylinder 16 falls, and the lower dies 802 and the upper die 801 close and clamp one end of the steel pipe 36 under the action of the die oil cylinder 9; the power feed motor speed reducer unit 14 drives the main transmission system to move forward, so that the profiling roller 4 of the inner die device is inserted into the end of the steel pipe 36, the profiling motor 10 is started, is input into the headstock 39 through the gear set 40 to reduce the speed and output to the disc 1 to realize the rotary motion of the disc 1, the disc 1 rotates to drive the inner die device to rotate, and the profiling roller 4 is driven by the profiling roller oil cylinder 37 to radially expand the steel pipe 36 and realize the rotary expansion processing under the matching of the outer die device; after the rotary expanding processing is finished, the main transmission system retracts to drive the profiling roller 4 of the inner die device to retract, the lifting oil cylinder 16 is lifted to lift the steel pipe 36, the lower die 802 and the upper die 801 are opened, the moving base 12 retracts, the lifting oil cylinder 16 descends, the steel pipe 36 on the V-shaped roller 17 falls, and the processed steel pipe 36 is moved away.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (14)
1. The utility model provides a steel pipe expands system soon which characterized in that: including the final drive system, the final drive system includes rotatable disc (1), is equipped with interior mould device on disc (1), interior mould device include a plurality of profiling rollers (4), every profiling roller (4) are fixed on a profiling roller base (3), profiling roller base (3) slide and set up on disc (1), profiling roller base (3) can follow disc (1) radial movement under the drive of profiling roller hydro-cylinder (37).
2. The rotary expanding system for steel pipes according to claim 1, wherein: the device is characterized by further comprising a fixed base (29), wherein a movable base (12) is arranged on the fixed base (29) in a sliding mode, and a main transmission system is arranged on the movable base (12) in a sliding mode.
3. The rotary expanding system for steel pipes according to claim 2, wherein: the movable base (12) is driven by a transverse moving system to slide along a fixed base (29), the transverse moving system comprises a transverse moving motor speed reducing unit (24), the transverse moving motor speed reducing unit (24) drives a gear (26) through a coupler, and a rack (21) matched with the gear (26) is fixed at the bottom of the movable base (12).
4. The rotary expanding system for steel pipes according to claim 2, wherein: an outer die device is further fixed on the movable base (12), and the outer die device comprises a lower die (802) and an upper die (801).
5. The rotary expanding steel pipe system according to claim 4, wherein: the lower die (802) is fixed on a lower die base (28), the lower die base (28) is fixed on a movable base (12), an upper die (801) is fixed on an upper die base (18), the upper die base (18) and the lower die base (28) are connected together in a sliding mode through a guide column (30), and the upper die base and the lower die base are driven by a die oil cylinder (9) to move up and down in an opening and closing mode.
6. The rotary expanding system for steel pipes according to claim 2, wherein: the disc type lathe is characterized by further comprising a headstock (39), the headstock (39) is arranged on the movable base (12) in a sliding mode, and the disc (1) is installed on the headstock (39) and driven by the profiling motor (10).
7. The rotary expanding system for steel pipes according to claim 2, wherein: the main transmission system is driven by a feeding system to slide along the movable base (12), and the feeding system comprises a feeding motor speed reducing unit (14) and a ball screw group.
8. The rotary expanding system for steel pipes according to claim 1, wherein: the profiling roller oil cylinder (37) is connected with the disc (1) through a fixed seat (38) and realizes oil supply through a rotary joint.
9. The utility model provides a steel pipe expands system soon which characterized in that: including the main drive system, the main drive system includes rotatable disc (1), is equipped with interior mould device on disc (1), interior mould device include a plurality of profiling rollers (4), every profiling roller (4) are fixed on a profiling roller base (3), profiling roller base (3) slide and set up on disc (1), one side of disc (1) is coaxial to be provided with ejector pin (6), ejector pin (6) are connected with the electronic thrust unit who promotes its axial displacement, the one end of ejector pin (6) is provided with the conical promotion portion that gradually enlarges by tip to middle part diameter, promotion portion promotes the radial movement of profiling roller base (3) synchronous edge disc (1), every profiling roller base (3) all are connected with and promote its spring (5) that compress tightly the promotion portion.
10. The rotary expanding steel pipe system according to claim 9, wherein: the profiling roller base (3) is arranged between the corresponding spring (5) and the pushing portion, one end, far away from the corresponding profiling roller base (3), of the spring (5) is provided with an adjusting screw rod (7), the adjusting screw rod (7) is in threaded connection with the disc (1), and the corresponding spring (5) is pushed to compress the corresponding profiling roller (4).
11. The rotary expanding steel pipe system according to claim 9, wherein: the electric pushing device comprises a profiling push rod and an adjusting motor, the profiling push rod is coaxially connected with the ejector rod (6) and pushes the ejector rod to move axially, the profiling push rod is a lead screw, and the adjusting motor is connected with a profiling nut matched with the profiling lead screw.
12. The utility model provides a steel pipe expands machine soon which characterized in that: the rotary expanding device comprises a steel pipe lifting system and the steel pipe rotary expanding system as claimed in any one of claims 1 to 11, wherein the steel pipe lifting system is arranged on one side of the steel pipe rotary expanding system close to a disc (1) and is arranged at an interval with the steel pipe rotary expanding system.
13. The steel pipe rotary expander according to claim 12, characterized in that: the steel pipe lifting system comprises a lifting base (15), a lifting oil cylinder (16) is arranged on the lifting base (15), and a V-shaped roller (17) is fixed at the top of the lifting oil cylinder (16).
14. The steel pipe rotary expander according to claim 12, characterized in that: the steel pipe rotary expanding system comprises two sets which are arranged symmetrically left and right.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810674705.XA CN108941244A (en) | 2018-06-27 | 2018-06-27 | The quick bell-spigot joint steel pipe of integral type revolves expansion machine |
| CN201810674705X | 2018-06-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210131934U true CN210131934U (en) | 2020-03-10 |
Family
ID=64487077
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810674705.XA Pending CN108941244A (en) | 2018-06-27 | 2018-06-27 | The quick bell-spigot joint steel pipe of integral type revolves expansion machine |
| CN201920538760.6U Active CN210131934U (en) | 2018-06-27 | 2019-04-19 | Steel pipe expands system and steel pipe expands machine soon |
| CN201910318090.1A Pending CN110355232A (en) | 2018-06-27 | 2019-04-19 | A kind of steel pipe rotation enlarging system and steel pipe revolve expansion machine |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810674705.XA Pending CN108941244A (en) | 2018-06-27 | 2018-06-27 | The quick bell-spigot joint steel pipe of integral type revolves expansion machine |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910318090.1A Pending CN110355232A (en) | 2018-06-27 | 2019-04-19 | A kind of steel pipe rotation enlarging system and steel pipe revolve expansion machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN108941244A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355232A (en) * | 2018-06-27 | 2019-10-22 | 山东金诚联创管业股份有限公司 | A kind of steel pipe rotation enlarging system and steel pipe revolve expansion machine |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10337778A (en) * | 1997-06-06 | 1998-12-22 | Mitsubishi Cable Ind Ltd | Production of shrinkable tube and diameter expanding device for use therefor |
| CN2561532Y (en) * | 2002-05-13 | 2003-07-23 | 天水锻压机床厂 | Steel pipe expander |
| JP2003342694A (en) * | 2002-05-23 | 2003-12-03 | Jfe Steel Kk | Ferritic stainless steel excellent in spinning workability and used for diameter-enlarged member of gas exhaust system |
| JP2004283847A (en) * | 2003-03-20 | 2004-10-14 | Jfe Steel Kk | Apparatus for expanding steel pipe and method for manufacturing steel pipe using it |
| JP4851815B2 (en) * | 2006-03-01 | 2012-01-11 | 株式会社スギノマシン | Tube expansion device |
| CN101314174A (en) * | 2007-06-02 | 2008-12-03 | 付朋 | Intermediate frequency induction heating pipe-expanding machine |
| CN102513460A (en) * | 2011-12-16 | 2012-06-27 | 大连三高科技发展有限公司 | Steel pipe end sizing mill assembly with diameter expanding function |
| CN105290242B (en) * | 2015-11-03 | 2023-08-25 | 江苏双友智能装备科技股份有限公司 | Full-length expanding unit for medium-diameter submerged-arc welded pipe |
| CN108941244A (en) * | 2018-06-27 | 2018-12-07 | 山东金诚联创管业股份有限公司 | The quick bell-spigot joint steel pipe of integral type revolves expansion machine |
-
2018
- 2018-06-27 CN CN201810674705.XA patent/CN108941244A/en active Pending
-
2019
- 2019-04-19 CN CN201920538760.6U patent/CN210131934U/en active Active
- 2019-04-19 CN CN201910318090.1A patent/CN110355232A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355232A (en) * | 2018-06-27 | 2019-10-22 | 山东金诚联创管业股份有限公司 | A kind of steel pipe rotation enlarging system and steel pipe revolve expansion machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110355232A (en) | 2019-10-22 |
| CN108941244A (en) | 2018-12-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203900324U (en) | Internal-support type rim ring rolling machine | |
| CN103692646B (en) | A kind of PVC heavy caliber pipe-expanding machine | |
| CN210131934U (en) | Steel pipe expands system and steel pipe expands machine soon | |
| CN207195908U (en) | A kind of crimping device for pipeline buckle press joint | |
| CN109926481B (en) | Automatic corrugated pipe forming device and method | |
| CN107901212B (en) | Cement lining coating machine | |
| CN209830052U (en) | Pipe revolves colored dish and expands machine soon of expanding machine | |
| CN108421911B (en) | Gas tube expander for condenser copper tube | |
| CN206578220U (en) | A kind of spinning machine of large diameter steel pipe spigot-and-socket joint | |
| CN115638295B (en) | Flaring type steel pipe assembly and production device | |
| CN205914940U (en) | A welding jig that is used for welding on oil tank body with oil pipe , oil drain nut | |
| CN110039761B (en) | Pipeline winding film coating machine and winding film coating method thereof | |
| CN102274904B (en) | Pairing machine for inner container of water heater | |
| CN111644490B (en) | Pipe end shape correcting device and pipe end shape correcting method | |
| CN114110285B (en) | Carbon steel single-clamping-pressure type four-way pipe fitting | |
| CN105014300A (en) | Jacketing machine | |
| CN202162303U (en) | Assembly machine for inner containers of water heaters | |
| CN205967945U (en) | Can weld oil pipe welding jig that adds who adds oil pipe on oil tank | |
| CN106181192A (en) | A kind of for welding oil filling pipe, the weld jig of nut of draining the oil on tank body of oil tank | |
| CN104525667A (en) | Roller forming equipment | |
| CN220499739U (en) | Forming machine for processing limit clamp | |
| CN115230138B (en) | Lining pipe flanging sealing machine | |
| CN204771363U (en) | Jacketing machine | |
| CN220073077U (en) | Steel drum edge pulling and rib expanding integrated equipment | |
| CN220339116U (en) | Raw material conveying device of raw material heating furnace for seamless steel tube |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230531 Address after: 255000 east side of South Fenghuang Road, Kejia village, Fenghuang Town, Linzi District, Zibo City, Shandong Province Patentee after: SHANDONG JINCHENG LIANCHUANG PIPE INDUSTRY CO.,LTD. Address before: 255000 east side of South Fenghuang Road, Kejia village, Fenghuang Town, Linzi District, Zibo City, Shandong Province Patentee before: SHANDONG JINCHENG LIANCHUANG PIPE INDUSTRY CO.,LTD. Patentee before: Liu Kailiang |
|
| TR01 | Transfer of patent right |