CN203400966U - Precision spinning drawing machine - Google Patents
Precision spinning drawing machine Download PDFInfo
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- CN203400966U CN203400966U CN201320191565.3U CN201320191565U CN203400966U CN 203400966 U CN203400966 U CN 203400966U CN 201320191565 U CN201320191565 U CN 201320191565U CN 203400966 U CN203400966 U CN 203400966U
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Abstract
The utility model relates to a precision spinning drawing machine, comprising a drawing machine body, a supporting part, a drawing part, a power part and a control part. The supporting part comprises a guide plate and at least two sets of guide rails. One end of each guide rail is vertically fixed on an outer surface of the drawing machine body, and the guide plate slides along the guide rails. The drawing part comprises a fixing device and a spinning head. The fixing device makes a linear movement along the guide rails and is coaxial with the spinning head. The fixing device is connected to the guide plate of the supporting part and is used for a round pipe billet to sleeve on. The spinning head is fixed in a through hole in an upper plane of the drawing machine body and makes a rotary movement. The spinning head comprises a spinning body and a main bearing body. By ensuring the coaxiality of the round pipe billet and the spinning head, the machine thins a pipe wall precisely in an extrusion manner.
Description
Technical field
The utility model relates to a kind of drawing pipe machine, particularly a kind of accurate stretching machine of tubing of using rotation drawing method.
Background technology
In prior art, sheet metal is easy to press extension, realizes the object of sheet material attenuate, also metal pipe material is not processed the equipment of attenuate.
A kind of sheet stamping stretching-machine as disclosed in Chinese patent CN201220177690.4, drives the first moved cross beam to move up and down by driving mechanism, makes thin plate realize twice stretching, improves working (machining) efficiency.But this equipment can not stretch to tubing.Special for the thinner tubing of tube wall, the difficulty of stretching attenuate is larger, guarantee the even attenuate of tubing, avoids galling simultaneously, and this required precision to location processing is very high.
In view of above-mentioned defect, the utility model creator has obtained this creation finally through long research and practice.
Utility model content
The purpose of this utility model is to provide a kind of spinning accurate stretching-machine, and it comprises a stretching-machine body, a support section, a stretched portion, a power section and a control section;
Described stretching-machine body and described support section provide installation carrier for described stretched portion;
Described support section comprises a guide plate and at least two group guide rails; One end of described guide rail is vertically fixed on the outer surface of described stretching-machine body, and its other end is installed a stopping means; Described guide plate is along described guide rail slippage;
Described stretched portion comprises a fixture and a spinning head, and it provides a rectilinear motion and to rotatablely move for the accurate stretching-machine of described spinning;
Described fixture is connected with described guide plate, and described fixture is made described rectilinear motion along described guide rail, and described fixture is in working order time, the central axes of its central axis and described spinning head; Described fixture is used for installing a circular pipe blank; Described spinning head and described stretching-machine body are fixed, and it rotatablely moves for generation of described, described in rotatablely move and make the extruding of described circular pipe blank, make tube wall attenuate, form and elongate pipe;
Described power section provides power for described stretched portion;
Described control section is for controlling the motion process of described stretched portion, and described control section is fixed on described stretching-machine body.
In the upper plane of described stretching-machine body, have a through hole, described through hole is for spinning head described in fixed placement; Described spinning head comprises a spinning body and a stressed main body;
Described power section provides power for described stretched portion;
Described control section for control described rectilinear motion with described in the motion process that rotatablely moves, described control section is fixed on the inside of described stretching-machine body.
Preferably, described control section also comprises a coaxial sensor, and described coaxial sensor is placed on the lower surface of described fixture;
Original state, described coaxial sensor scans detection to the central axis of the central axis of described fixture and described spinning head; When described circular pipe blank is installed in described fixture, described coaxial sensor scans detection to the central axis of the central axis of described circular pipe blank and described fixture; When described spinning head is prepared the described circular pipe blank of extruding, described coaxial sensor scans detection to the central axis of the central axis of described circular pipe blank and described spinning head;
Described coaxial sensor transfers to described control section by the result detecting at every turn, and described control section carries out position comparison to the central axis of each detection, determines the coincidence situation of central axis.
Preferably, described spinning head also has a plurality of balls, described spinning Ti center has a through hole, evenly fixing all described balls on the inwall of described through hole, the circular diameter that all described balls inside edge surrounds forms an extruding internal diameter, described extruding internal diameter equals the external diameter that described circular pipe blank drawn forms, and described extruding internal diameter is less than the external diameter of described circular pipe blank;
Described stressed main body is fixedly connected with described stretching-machine body, and described spinning body drives described ball rotation around rotatablely moving described in its central axis, and described ball pushes the described circular pipe blank in described fixture, and described circular pipe blank attenuate is stretched.
Preferably, the center of described stressed main body has a ladder hole, places described spinning body in described first order shoulder hole; Described spinning body keeps axial location to fix in described stressed main body.
Preferably, described fixture comprises a plug, a steady pin, and the upper end of described plug is connected to the lower plane of described guide plate by described steady pin, and described plug rotates around described steady pin;
Described plug adopts the diameter of a series of specifications, and the described spinning body of each format diameter coupling has corresponding described extruding internal diameter, and the accurate stretching function of described spinning is carried out the stretching attenuate of different pipe thicknesses to the described circular pipe blank of different inner diameters.
Preferably, described power section comprises a guide plate drive unit, and described guide plate drive unit is connected with the upper plane of described guide plate, and it is for driving described guide plate, and then advances described fixture to make described rectilinear motion along described guide rail.
Preferably, described power section also comprises a spinning head drive unit, and described spinning head drive unit is fixed on the inside of described stretching-machine body, and it is for driving described spinning body to rotatablely move described in doing.
Preferably, described stretched portion also comprises a gripping mechanism, and described gripping mechanism comprises a fixed mount, an expansion loop and a plurality of clamping support;
Described fixed mount is connected with the lower plane of described guide plate;
Described expansion loop can be in radial contraction and expansion, and the pucker & bloat of described expansion loop is subject to the control of described control section;
Described in each, clamp support and have two end points, its one end is fixedly connected on described expansion loop, and when described expansion loop shrinks, the other end of all described clamping supports is gathered, and when described expansion loop expands, the other end of all described clamping supports is discrete.
Preferably, described support section also comprises at least two sliding guide pieces, the quantity of described sliding guide piece is identical with the quantity of described guide rail, and described sliding guide piece is fixedly mounted on described guide plate, described sliding guide piece with described guide plate along described guide rail slippage.
Preferably, described control section comprises:
One total power switch, for opening or the general supply of the accurate stretching-machine of closed described spinning;
One spinning head drive unit control module, for controlling the start and stop of described spinning head drive unit, and regulates the rotary speed of described spinning body;
One guide plate drive unit control module, for controlling the start and stop of described guide plate drive unit, and regulates the translational speed of described guide plate;
One display, demonstration is subject to the rotary speed of the described spinning body of described spinning head drive unit driving, shows the translational speed of the described guide plate that described guide plate drive unit drives.
The beneficial effects of the utility model are compared with the prior art: tubing is carried out to tube wall attenuate, also realize drawing pipe simultaneously; Guarantee plug and the coaxial structural design of spinning head, the use of gripping mechanism, and detect axiality by sensor, guaranteed that the circularity after circular pipe blank processing is higher; Ball is to circular pipe blank rotary extrusion, and the feed speed of capable of regulating circular pipe blank and the rotary speed of ball, makes the even tube wall of whole circular pipe blank stressed, has higher machining accuracy; The plug of replaceable different-diameter, the applicable range of work is very wide; The split-type design of spinning body, makes the spinning body of easy loss be convenient to dismounting or change; Whole stretching-machine is subject to force direction single in working order, and stability is fine, can not shake.
Accompanying drawing explanation
Fig. 1 is that the accurate stretching-machine of the utility model spinning master in working order looks schematic diagram;
Fig. 2 is that the axle of the accurate stretching-machine of the utility model spinning measures intention;
Fig. 3 is that the A of the utility model Fig. 1 is to the partial schematic diagram of gripping mechanism;
Fig. 4 is that the axle of the utility model spinning head measures intention.
The specific embodiment
Below in conjunction with accompanying drawing, to the utility model is above-mentioned, be described in more detail with other technical characterictic and advantage.
Refer to shown in Fig. 1 and Fig. 2, Fig. 1 is that the accurate stretching-machine of the utility model spinning master in working order looks schematic diagram, and Fig. 2 is that the axle of the accurate stretching-machine of the utility model spinning measures intention.The accurate stretching-machine of described spinning comprises a spinning head 1, an intermediate active plate 2, at least two guide rails 20, at least two described sliding guide pieces 21, a hydraulic stem base 22, a plug base 23, a top board 3, a base plate 4, a hydraulic cylinder 5, a hydraulic stem 50, a lubricating arrangement 51, a plug 6, a steady pin 61, a coaxial sensor 62, a gripping mechanism 7, a motor 8, a control device 9 and bodies 10.
The accurate stretching-machine of described spinning be take described body 10 as basis, can be divided into following part according to function:
Support section: comprise the described guide rail of described intermediate active plate 2, at least two 20, at least two described sliding guide pieces 21, described hydraulic stem base 22, described plug base 23, described top board 3, described base plate 4;
Stretched portion: comprise described spinning head 1, described hydraulic stem 50, described lubricating arrangement 51, described plug 6, described steady pin 61, described gripping mechanism 7;
Power section: described hydraulic cylinder 5, described motor 8;
Control section: comprise described coaxial sensor 62, described control device 9.
Described body 10 is roughly the square box body of a hollow, can stablize and be placed on ground or workbench.Mounting bracket is wherein set, for fixedly mounting described motor 8, described control device 9 and described spinning head 1 etc., and there is relevant pipeline for the layout of electric wire.
During duty, the described body 10 of the accurate stretching-machine of described spinning is positioned on ground, and described hydraulic cylinder 5 is positioned at highest point.Described base plate 4 is that a square sheet material ,Qi center has a through hole, and described base plate 4 is fixedly mounted on the center of plane on described body 10, and described base plate 4 plays the effect of strengthening plane on described body 10.On described body 10, the center of plane also has a through hole, and on described body 10, the described through hole of plane overlaps with the described through hole on described base plate 4.
Described spinning head 1, by above-mentioned two described through holes, is positioned over the inside of described body 10, and described spinning head 1 is fixedly mounted on described base plate 4, and described spinning head 1 is subject to impulsive force and can not occurs radially or axial movement.Described spinning head 1 is a rotational structure.Described spinning head 1 is connected with described motor 8, when described motor 8 starts described in spinning head 1 enter duty.The top plane of spinning head described in the present embodiment 1 is higher than the upper plane of described base plate 4.
The accurate stretching-machine of described spinning uses at least two described guide rails 20, uses four described guide rails 20 in the present embodiment, and object is to adapt with described intermediate active plate 2, described top board 3 and the tetragonal profile of described base plate 4; Also can magnitude setting be the described guide rail 20 of three, described intermediate active plate 2, described top board 3 and described base plate 4 be designed to triangle; Must at least use two described guide rails 20, make the accurate stretching-machine of described spinning become a stable support and force structure.
The place, four summits of described base plate 4 has four through holes, and the lower end of described guide rail 20 is fixedly mounted on respectively on described body 10 in plane through four described through holes; The place, four summits of described top board 3 has four through holes, and the upper end of described guide rail 20 is fixedly mounted on respectively on described top board 3 through four described through holes, and described guide rail 20, described top board 3, described base plate 4 firmly couple together with described body 10.
Described intermediate active plate 2 is placed between described top board 3 and described base plate 4, place, four summits at described intermediate active plate 2 has four through holes, in described through hole, place four described sliding guide pieces 21, described sliding guide piece 21 is fixing by some bolts and described intermediate active plate 2, guarantees that described sliding guide piece 21 and described intermediate active plate 2 can not produce axial slip in working order.
Described sliding guide piece 21 is roughly cylindrical, its center has a through hole, described sliding guide piece 21 is enclosed within respectively on four described guide rails 20 by described through hole, makes described intermediate active plate 2 along the axial free slippage of described guide rail 20, and scope of activities is between described top board 3 and described base plate 4.The thickness of described sliding guide piece 21 is greater than the thickness of described intermediate active plate 2, described sliding guide piece 21 extends a segment length below described intermediate active plate 2 lower planes, at described hydraulic cylinder 5, control and lost efficacy, when described hydraulic stem 50 down falls, described intermediate active plate 2 is supported on described base plate 4, prevent that described intermediate active plate 2 from directly falling to the upper surface of described spinning head 1, cause described spinning head 1 to damage.Sliding guide piece described in the present embodiment 21 is a sliding bearing, and the axial length of described sliding bearing is greater than the thickness of described intermediate active plate 2.
The base of described hydraulic cylinder 5 is fixed on the center of described top board 3, and the center of described top board 3 has a through hole, and the described hydraulic stem 50 of described hydraulic cylinder 5 reaches the below of described top board 3 by described through hole.The below of described hydraulic stem 50 connects described hydraulic stem base 22, described hydraulic stem base 22 is fixedly installed in the center of plane on described intermediate active plate 2, between described hydraulic stem base 22 and described hydraulic stem 50, use bulb hinged, the trace rotation of avoiding described hydraulic stem 50 to produce in telescopic process, is damaged thereby make described hydraulic stem 50 bear distorting stress.
Described hydraulic cylinder 5 is subject to the control of described control device 9, makes described hydraulic stem 50 stretch out or compress; When described hydraulic stem 50 stretches out, described intermediate active plate 2 is along the down slippage of described guide rail 20, and during described hydraulic stem 50 compression, described intermediate active plate 2 is along the up slippage of described guide rail 20; The speed that described hydraulic stem 50 stretches out or compresses shows by described control device 9.Described lubricating arrangement 51 is set, by a filler place filling lubricant on top, the remote location by a Pipeline transport to described hydraulic cylinder 5 on described hydraulic cylinder 5.
Described plug base 23 is fixedly installed in the center of described intermediate active plate 2 lower planes, there is a cylindrical protrusions at described plug base 23 center, there is axial cut-outs lower end in described cylindrical protrusions, described axial cut-outs is by the diameter of described cylindrical protrusions, described axial cut-outs forms two symmetrical planes in the lower end of described cylindrical protrusions, on two described symmetrical planes, have a through hole, the central axis of described through hole is vertical with two described symmetrical planes.
The main body of described plug 6 is one cylindrical, on described columniform top, form a boss, described boss, by the diameter of described plug 6, has a through hole on described boss, and the height of described boss and thickness guarantee can coordinate installation with two described symmetrical planes of described plug base 23.The described boss on described plug 6 tops is placed between two symmetrical planes of described axial cut-outs formation, described steady pin 61 couples together both by two described through holes on the described boss of described plug 6 and on described plug base 23, and described plug 6 can be around described steady pin 61 rotations; During duty, make described plug 6 in plumbness, that is to say, described plug 6 is parallel with described guide rail 20.
In working order, described hydraulic cylinder 5, described hydraulic stem 50, described plug 6 form straight line with the central axis of described spinning head 1, the straight line transmission of power has improved transmission efficiency, the straight line transmission of power simultaneously makes whole described support section can not be subject to the active force of other directions, can guarantee described plug 6 and described spinning head 1 central axis always in coincidence status, guaranteed machining accuracy.
Described hydraulic cylinder 5 down advances described hydraulic stem 50, described hydraulic stem 50 down advances described intermediate active plate 2, described intermediate active plate 2 advances described plug 6 down to move, touch described spinning head 1, this straight line design guarantees that the power of described hydraulic cylinder 5 and described spinning head 1 can directly act on described plug 6, thereby the circular pipe blank 60 being set with in described plug 6 peripheries is stretched, while having guaranteed duty described in the accurate stretching-machine of spinning stable.
On the lower surface of described plug 6, there is a groove, described coaxial sensor 62 is set in described groove, the central axis of the coaxial sensor 62 described plugs 6 in location described in when initial, and scan the upper surface of described spinning head 1, whether the central axis that judges described plug 6 is perpendicular to the upper surface of described spinning head 1, thereby determine that can the accurate stretching-machine of described spinning enter duty, the subsequent detection of described coaxial sensor 62 is all carried out down in working order.
When described circular pipe blank 60 covers install in the periphery of described plug 6, described coaxial sensor 62 scannings calculate the center of circle of two end sections of described circular pipe blank 60, this needs the end positions of described circular pipe blank 60 to have more smooth cross section, higher to the end face quality requirement of described circular pipe blank 60; Also can be at described plug 6 two fixed positions are axially set, in these two described axial restraint positions, calculating is scanned in the center of circle, cross section of described circular pipe blank 60, the central axis of two described home positions and described plug 6 is carried out to position to be compared, determine that can two described centers of circle of described circular pipe blank 60 drop on the central axis of described plug 6, judge that whether described circular pipe blank 60 is coaxial with described plug 6, described coaxial sensor 62 is carried out infrared remote sensing transmission with described control device 9, by check result, notifies described control device 9.
When described plug 6 is about to touch described spinning head 1, 62 pairs of described plug 6 central axis of described coaxial sensor and described spinning head 1 central axis align situation inspection, upper surface and its upper surface Shang Kong center of the described spinning head 1 of described coaxial sensor 62 scanning, determine the central axis of described spinning head 1, the central axis of the central axis of described spinning head 1 and described plug 6 is carried out to position to be compared, judge whether to overlap, described coaxial sensor 62 is carried out infrared remote sensing transmission with described control device 9, by check result, notify described control device 9.
When the central axis inspection of described circular pipe blank 60 and described plug 6 is not when overlapping, described plug 6 and the 1 central axis inspection of described spinning head be not when overlapping, the centering situation of 9 pairs of described hydraulic cylinders 5 of described control device, described hydraulic stem 50, described plug 6 and described spinning head 1, the fastening situation of relevant set bolt checks.
In the present embodiment, described gripping mechanism 7 is fixed in the described cylindrical protrusions at described plug base 23 centers, and gripping mechanism 7 can also be fixed on the base of described plug base 23.When described circular pipe blank 60 covers install in the periphery of described plug 6, described gripping mechanism 7 is by described circular pipe blank 60 clampings, according to the circle configurations of described gripping mechanism 7 and mounting means, also can guarantee that described circular pipe blank 60 is coaxial with described plug 6, described gripping mechanism 7 has clamping action simultaneously, when described circular pipe blank 60 rigidly connects while contacting described spinning head 1, the inside extruding of described spinning head 1 produces impulsive force, and this clamping action avoids described circular pipe blank 60 to produce and radially wobble with described plug 6.
Described motor 8 is positioned in described body 10, motor described in the present embodiment 8 is a rotor electric machine, for described spinning head 1 provides power, when described circular pipe blank 60 touches described spinning head 1, described motor 8 starts described spinning head 1, the inside squeezing action of described spinning head 1 makes the tube wall attenuation of described circular pipe blank 60, and pipe wall material is axially being realized and being extended, and then reaches the object of the described circular pipe blank 60 that stretches.
The described plug 6 of the accurate stretching-machine of described spinning can be equipped with the diameter of a series of specifications, described boss and described through hole on this series of described plug 6 are standard size, by described boss and described through hole, the described plug 6 of different-diameter can be installed on described plug base 23, the inside extruding diameter of corresponding described spinning head 1 also can be arranged to corresponding series, thereby the tubing in internal diameter footpath is not carried out to the stretching of different pipe thicknesses, and the applicability of the accurate stretching-machine of therefore described spinning is very strong.
While changing described plug 6, first determine that described gripping mechanism 7 is in relaxation state, make described plug 6 around described steady pin 61 rotations, described plug 6 depart from vertical line certain angle, open described steady pin 61, central axis along described plug 6 is exerted oneself, and extracts described plug 6 out, realizes the dismounting of described plug 6; Then the described plug 6 that meets described circular pipe blank 60 needs is installed on described plug base 23, by both described through holes, described steady pin 61 is installed, described plug 6 is rotated to plumbness around described steady pin 61, complete the replacing of described plug 6.
Described control device 9 is positioned in described body 10, in the present embodiment, described control device 9 and described motor 8 are placed on respectively the both sides of the accurate stretching-machine of described spinning, make the accurate stretching-machine of described spinning there is stable structure, guaranteed that the accurate stretching-machine of the described spinning in the course of work can not shake.
Described control device 9 has the control panel of a convenient operation, and described control panel has following functions module:
One total power switch, for opening or the general supply of the accurate stretching-machine of closed described spinning;
One clamping switch, for controlling the clamping of described gripping mechanism 7 and loosening;
One display, for showing the testing result of described coaxial sensor 62, shows the operating rate of the described spinning head 1 that is subject to described motor 8 drivings, shows the speed that described hydraulic stem 50 stretches out or compresses;
One motor control module, for opening or the power supply of closed described motor 8, and regulates the operating rate of described spinning head 1;
One hydraulic cylinder control module, for controlling stretching out or compressing of hydraulic stem 50 described in described hydraulic cylinder 5, and the speed that regulates described hydraulic stem 50 to stretch out or compress.
The inside of described body 10 can also arrange a lubricating system (not shown), for the described spinning head 1 of High Rotation Speed is lubricated with cooling.
One heat resistant glass protective cover (not shown) can be set on described body 10; four described guide rails 20 are trapped among in described heat resistant glass protective cover; the lower end of described heat resistant glass protective cover is fixed in the upper plane of described body 10, up extends certain height.When described spinning head 1 pushes the described circular pipe blank 60 of described plug 6 peripheries suits, the metalworking coolant that described heat resistant glass protective cover blocks issuable spark or splashes, avoids surrounding enviroment to produce and pollute.
Refer to shown in Fig. 3, its be the A of the utility model Fig. 1 to the partial schematic diagram of gripping mechanism, described plug base 23 is roughly a square, is fixedly connected on one with described intermediate active plate 2, can bear certain intensity.Shown in Fig. 1, described circular pipe blank 60 is sleeved on described plug 6, described plug 6 is connected to by described steady pin 61 in the described cylindrical protrusions at described plug base 23 centers, and described gripping mechanism 7 is sleeved in the described cylindrical protrusions at described plug base 23 centers.
Described gripping mechanism 7 comprises a sleeve pipe 71, an expansion loop 72 and three clamping supports 73.Described sleeve pipe 71 is sleeved in the described cylindrical protrusions at described plug base 23 centers, in the present embodiment, described expansion loop 72 is divided into three parts, described clamping support 73 is separately positioned on the centre position of described expansion loop 72 every parts, shown in Fig. 1, described clamping support 73 is roughly a flute profile, described clamping support 73 can also be designed to a circular arc, its one end is connected to described expansion loop 72, its other end contacts with described circular pipe blank 60, form three strong points, these three strong points form a circle, and described circular pipe blank 60 is stuck in wherein.
The position that three described clamping supports 73 contact with described circular pipe blank 60 has the material of Wear-resistant, high-temperature resistant.Can set temperature sensor (not shown) in this position, on described clamping support 73, coolant nozzle (not shown) can be set, when the temperature recording when described temperature sensor reaches a certain threshold value, described coolant nozzle directly sprays cooling fluid to described circular pipe blank 60, fast cooling, in order to avoid excess Temperature infringement related components.
Described gripping mechanism 7 is subject to the hydraulic control of described control device 9, between have interlock circuit to connect (not shown), according to user instruction, realize clamping and loosen.In clamping process, described expansion loop 72 inwardly shrinks, and the circle of three described clamping support 73 formation is dwindled gradually; Loosen in process, described expansion loop 72 outwards expands, and the circle of three described clamping support 73 formation expands gradually.By this design, can clamp the described circular pipe blank 60 of various outer diameter.
When described hydraulic cylinder 5 advances described intermediate active plate 2 along the down slippage of described guide rail 20, until the described circular pipe blank 60 being set with in described plug 6 peripheries touches described spinning head 1, described hydraulic cylinder 5 continues to advance after a segment distance, and described gripping mechanism 7 just can loosen.
Refer to shown in Fig. 4, it measures intention for the axle of spinning head of the present invention, described spinning head 1 comprises some balls 11, a spinning body 12 and a stressed main body 13, described spinning body 12 is the rotary body that a high hardness wear-resisting material is made, its center has a through hole, a plurality of described balls 11 are fixedly mounted on the inwall of described through hole of described spinning body 12, the centre of sphere of described ball 11 is on same axial cross section, the smallest circle diameter that described ball 11 forms is the diameter after described circular pipe blank 60 drawns, and described ball 11 is used high hardness wear-resisting material to make.
After having guaranteed described plug 6, described circular pipe blank 60, described spinning head 1 three's central axes, smallest circle diameter and described circular pipe blank 60 external diameters that described ball 11 forms match, described smallest circle diameter is the external diameter after described circular pipe blank 60 drawns, described smallest circle diameter must be less than the external diameter of described circular pipe blank, when all described ball 11 stepless actions of the circumferential inner wall of described spinning head 1 are during in the periphery of described circular pipe blank 60, stressed even, radial stability is good, and the phenomenon of transducer wall ' s abrasion can not occur.
Described stressed main body 13 is a rotary body, in the present embodiment, the exterior contour in described stressed main body 13 cross sections is multistage stepped, that is to say, one end external diameter of described stressed main body 13 exterior contours is large, and its other end external diameter is little, centre arranges the ladder of a plurality of various outer diameters, in the present embodiment, in the middle of two ends, there is level Four ladder, add the ladder at two ends, come to six grades of ladders.
Described stressed main body 13 center has an internal run-through hole, described internal run-through hole is a two-stage shoulder hole (not shown), can also according to circumstances be set to more multistage shoulder hole, can be set to identical with the step number of described stressed main body 13 exterior contours, the shoulder hole diameter of the larger end of external diameter of described stressed main body 13 is also larger, the diameter of this one-level ladder mates with the external diameter of described spinning body 12, described spinning body 12 is placed in this one-level ladder, the height of this one-level ladder matches with the height of described spinning body 12, the stressed Intensity Design of the lower plane of this one-level ladder is enough large, active force vertically downward while working to bear the accurate stretching-machine of described spinning.
When described control device 9 starts described motor 8, described spinning body 12 rotates freely around its central axis in described stressed main body 13, described ball 11 will advance the tube wall face extruding attenuate of the described circular pipe blank 60 coming, make pipe wall material in axial extension, thereby realize the stretching of described circular pipe blank 60.The rotary speed of described spinning body 12 shows by described control device 9.
Can artificially regulate the operating rate of described spinning head 1 and the speed that described hydraulic stem 50 stretches out or compresses according to actual conditions needs, guarantee that described circular pipe blank 60 tube wall faces can fully be extruded.
In all the other grade of shoulder hole in described internal run-through hole, place some bearings, the quantity of described bearing is identical with the ladder quantity of described stressed main body 13 exterior contours, or according to the length of every one-level shoulder hole, more described bearing is set, described bearing still less can also be set; The hole of internal run-through described in the present embodiment is removed the first order and is also had Pyatyi ladder, five bearings are set in described internal run-through hole, be placed in respectively in described all the other grade of shoulder hole, external diameter after the internal diameter of described bearing and described circular pipe blank 60 drawns adapts, described bearing plays the effect of radial location, slightly larger in diameter after comparable described circular pipe blank 60 drawns of internal diameter of described bearing, avoid trembling by a small margin of described circular pipe blank 60 to make described bearing frequently stressed, affect service life, described bearing can carry out micro-slippage on the ladder of its corresponding various outer diameter.
In described through hole, there are enough lubricants, guarantee that described bearing is when being subject to the axial action of described circular pipe blank 60, can in described internal run-through hole, fully cushion, and the heat accumulated of the described circular pipe blank 60 after can cooling stretching, avoid described spinning head 1 overheated, can also play supporting and location to described plug 6 and described circular pipe blank 60.
During the accurate stretching-machine work of described spinning, use the tube wall of 11 pairs of described circular pipe blanks 60 of described ball to carry out high strength extruding, so described ball 11 is easily-consumed products, in the time cannot normally having used through use and through adjustment, must change described spinning body 12, now need to dismantle described spinning body 12 and can realize replacing.During the accurate stretching-machine work of described spinning, the whole line of force that is subject to is vertical direction, and the described circular pipe blank 60 being set with in described plug 6 peripheries makes active force that described spinning head 1 is subject to vertically downward, this Split type structure design of described spinning body 12 and described stressed main body 13 can not cause spinning body 12 to come off from described stressed main body 13 yet, and the accurate stretching-machine of described spinning is very stable in working order.
In sum, the control procedure of the accurate stretching-machine of described spinning is as follows:
1, the higher position of intermediate active plate 2 in described guide rail 20 described in original state, can guarantee conveniently to install or change described plug 6;
2, the described circular pipe blank 60 stretching as required, selects suitable described plug 6, is set with described circular pipe blank 60 in the periphery of described plug 6, makes described plug 6 in plumbness;
3, open the described total power switch of described control device 9;
4, the central axis of the described coaxial sensor 62 described plugs 6 in location, and scan the upper surface of described spinning head 1, whether the central axis that judges described plug 6 is perpendicular to the upper surface of described spinning head 1;
5, the upper surface of the central axis of described plug 6 and described spinning head 1 is vertical determines that the accurate stretching-machine of described spinning enters duty, and out of plumb checks the position of described plug 6;
6, open the described clamping switch of described control device 9, the described circular pipe blank 60 of described gripping mechanism 7 clamping;
7, the coaxial situation of 62 pairs of described plugs 6 of described coaxial sensor and described circular pipe blank 60 checks;
8, described plug 6 and described circular pipe blank 60 check coaxial;
9, open the described hydraulic cylinder control module of described control device 9, described hydraulic stem 50 stretches out, it stretches out speed and presents to user by the described display of described control device 9, and the down slippage of described intermediate active plate 2 advances described plug 6 and described circular pipe blank 60 toward lower feeding;
10, when described circular pipe blank 60, be about to touch the described spinning body 12 of described spinning head 1, described control device 9 can be set one and judge whether the distance of " being about to contact ", now, control the described hydraulic cylinder control module of described control device 9, described hydraulic stem 50 is suspended toward lower feeding;
11, the coincidence situation of the central axis of 62 pairs of described plugs 6 of described coaxial sensor and the central axis of described spinning head 1 checks;
12, the central axes of the central axis of described plug 6 and described spinning head 1;
13, control the described hydraulic cylinder control module of described control device 9, described hydraulic stem 50 is continued toward lower feeding;
14, open the described motor control module of described control device 9, open described motor 8, described spinning body 12 rotations of described spinning head 1, its rotary speed is presented to user by the described display of described control device 9;
15, described hydraulic stem 50 continues toward lower feeding one segment distance, and this distance also can preset, and now closes the described clamping switch of described control device 9, and described gripping mechanism 7 loosens described circular pipe blank 60:
16, at described hydraulic stem 50, continue in the process of lower feeding, the rotation of described spinning body 12 makes described ball 11 squeezing actions of high hardness wear-resisting in described circular pipe blank 60, realizes the extension elongation of described circular pipe blank 60.
17, complete whole described circular pipe blank 60 extrusion stretchings, control the described hydraulic cylinder control module of described control device 9, described hydraulic stem 50 is up reclaimed, and described hydraulic stem 50 collapses back in described hydraulic cylinder 5, takes out the described circular pipe blank 60 being set with in described plug 6 peripheries until convenient;
18, close successively the described hydraulic cylinder control module of described control device 9, described motor control module, described display, described total power switch.
The foregoing is only preferred embodiment of the present utility model, is only illustrative for the utility model, and nonrestrictive.Those skilled in the art is understood, and in the spirit and scope that limit, can carry out many changes to it in the utility model claim, revise, and even equivalence, but all will fall in protection domain of the present utility model.
Claims (10)
1. the accurate stretching-machine of spinning, it comprises a stretching-machine body, it is characterized in that, it also comprises a support section, a stretched portion, a power section and a control section;
Described stretching-machine body and described support section provide installation carrier for described stretched portion;
Described support section comprises a guide plate and at least two group guide rails; One end of described guide rail is vertical with scheduling described stretching-machine body, and described guide plate is along described guide rail slippage;
Described stretched portion comprises a fixture and a spinning head, and it provides a rectilinear motion and to rotatablely move for the accurate stretching-machine of described spinning;
Described fixture is connected with described guide plate, and described fixture is made described rectilinear motion along described guide rail, and described fixture is in working order time, the central axes of its central axis and described spinning head; Described fixture is used for installing a circular pipe blank;
Described spinning head and described stretching-machine body are fixed, and it rotatablely moves for generation of described, described in rotatablely move and make the extruding of described circular pipe blank, make tube wall attenuate, form and elongate pipe;
Described power section provides power for described stretched portion;
Described control section is for controlling the motion process of described stretched portion, and described control section is fixed on described stretching-machine body.
2. the accurate stretching-machine of spinning according to claim 1, it is characterized in that, described spinning head comprises a spinning body, a stressed main body and a plurality of ball, described spinning Ti center has a through hole, evenly fixing all described balls on the inwall of described through hole, the circular diameter that all described balls inside edge surrounds forms an extruding internal diameter, and described extruding internal diameter equals the external diameter that described circular pipe blank drawn forms, and described extruding internal diameter is less than the external diameter of described circular pipe blank;
Described stressed main body is fixedly connected with described stretching-machine body, and described spinning body drives described ball rotation around rotatablely moving described in its central axis, and described ball pushes the described circular pipe blank in described fixture, and described circular pipe blank attenuate is stretched.
3. the accurate stretching-machine of spinning according to claim 2, is characterized in that, the center of described stressed main body has a ladder hole, places described spinning body in first order shoulder hole; Described spinning body keeps axial location to fix in described stressed main body.
4. the accurate stretching-machine of spinning according to claim 1 and 2, is characterized in that, described control section also comprises a coaxial sensor, and described coaxial sensor is placed on the lower surface of described fixture.
5. the accurate stretching-machine of spinning according to claim 1 and 2, it is characterized in that, described fixture comprises a plug, a steady pin, and the upper end of described plug is connected to the lower plane of described guide plate by described steady pin, and described plug rotates around described steady pin.
6. the accurate stretching-machine of spinning according to claim 1 and 2, is characterized in that, described stretched portion also comprises a gripping mechanism, and described gripping mechanism comprises a fixed mount, an expansion loop and a plurality of clamping support;
Described fixed mount is connected with the lower plane of described guide plate;
Described expansion loop can be in radial contraction and expansion, and the pucker & bloat of described expansion loop is subject to the control of described control section;
Described in each, clamp support and have two end points, its one end is fixedly connected on described expansion loop, and when described expansion loop shrinks, the other end of all described clamping supports is gathered, and when described expansion loop expands, the other end of all described clamping supports is discrete.
7. the accurate stretching-machine of spinning according to claim 2, it is characterized in that, described power section comprises a guide plate drive unit, described guide plate drive unit is connected with the upper plane of described guide plate, it is for driving described guide plate, and then advances described fixture to make described rectilinear motion along described guide rail.
8. the accurate stretching-machine of spinning according to claim 2, it is characterized in that, described power section also comprises a spinning head drive unit, and described spinning head drive unit is fixed on the inside of described stretching-machine body, and it is for driving described spinning body to rotatablely move described in doing.
9. the accurate stretching-machine of spinning according to claim 5, it is characterized in that, described plug adopts at least one diameter, the described spinning body of each diameter coupling has corresponding described extruding internal diameter, and the accurate stretching function of described spinning is carried out the stretching attenuate of different pipe thicknesses to the described circular pipe blank of different inner diameters.
10. the accurate stretching-machine of spinning according to claim 7, is characterized in that, described control section comprises:
One total power switch, for opening or the general supply of the accurate stretching-machine of closed described spinning;
One spinning head drive unit control module, for controlling the start and stop of described spinning head drive unit, and regulates the rotary speed of described spinning body;
One guide plate drive unit control module, for controlling the start and stop of described guide plate drive unit, and regulates the translational speed of described guide plate;
One display, demonstration is subject to the rotary speed of the described spinning body of described spinning head drive unit driving, shows the translational speed of the described guide plate that described guide plate drive unit drives.
Priority Applications (1)
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CN201320191565.3U CN203400966U (en) | 2013-04-17 | 2013-04-17 | Precision spinning drawing machine |
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CN201320191565.3U CN203400966U (en) | 2013-04-17 | 2013-04-17 | Precision spinning drawing machine |
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CN203400966U true CN203400966U (en) | 2014-01-22 |
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CN201320191565.3U Expired - Fee Related CN203400966U (en) | 2013-04-17 | 2013-04-17 | Precision spinning drawing machine |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103831336A (en) * | 2014-03-25 | 2014-06-04 | 揭阳市兴财金属制品有限公司 | Vertical type multi-wheel spinning lathe for thinning thin-cylinder workpiece through rolling machining |
CN107876606A (en) * | 2017-10-30 | 2018-04-06 | 平湖市万顺达机械有限公司 | A kind of forming machine |
CN113878019A (en) * | 2021-10-15 | 2022-01-04 | 长安大学 | Forming process of cylinder reinforcing rib based on electro-plasticity and impact |
-
2013
- 2013-04-17 CN CN201320191565.3U patent/CN203400966U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103831336A (en) * | 2014-03-25 | 2014-06-04 | 揭阳市兴财金属制品有限公司 | Vertical type multi-wheel spinning lathe for thinning thin-cylinder workpiece through rolling machining |
CN107876606A (en) * | 2017-10-30 | 2018-04-06 | 平湖市万顺达机械有限公司 | A kind of forming machine |
CN113878019A (en) * | 2021-10-15 | 2022-01-04 | 长安大学 | Forming process of cylinder reinforcing rib based on electro-plasticity and impact |
CN113878019B (en) * | 2021-10-15 | 2024-03-26 | 长安大学 | Forming process of cylinder reinforcing rib based on electro-plasticity and impact |
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