CN208743362U - The hot finished steel pipe of variable stagger-angle revolves expansion machine - Google Patents
The hot finished steel pipe of variable stagger-angle revolves expansion machine Download PDFInfo
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- CN208743362U CN208743362U CN201821149288.9U CN201821149288U CN208743362U CN 208743362 U CN208743362 U CN 208743362U CN 201821149288 U CN201821149288 U CN 201821149288U CN 208743362 U CN208743362 U CN 208743362U
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Abstract
The utility model provides a kind of hot finished steel pipe rotation expansion machine of variable stagger-angle, including two roll devices, guiding device and top；Roll device includes driving mechanism and roll, and driving roll is carried out axially reciprocating, circumferentially rotates and swung centered on a vertical centerline；Roll includes roller head；Guiding device includes upper guide plate and bottom guide；Upper guide plate, bottom guide and two roller heads are enclosed expanding channel, and top is set to the inside in expanding channel.The utility model by driving mechanism drive roll carry out be along its axial reciprocating motion, by its axis center axis circumferentially rotate and swing centered on a vertical centerline, roll can be adjusted, to match with a variety of various sizes of mother tubes, tool of production setting up expenses can so be effectively reduced, reduce production cost, the replacement number of roll can be effectively reduced during carrying out expanding to various sizes of mother tube simultaneously, improves production efficiency.
Description
Technical field
The utility model relates to a kind of pipe expanding equipment, the hot finished steel pipe rotation for referring in particular to a kind of variable stagger-angle is expanded
Machine.
Background technique
The major way for producing thin-wall seamless steel pipe in heavy caliber in the world at present is thermal expansion method, and this method includes that rotation is expanded
Diameter, drawing be expanding and the expanding three productions mode of pushing tow.Since drawing diameter expansion method and pushing tow diameter expansion method production efficiency are low, need two
Energy consumption is high, metal lumber recovery is low, product quality is bad and has the former widened trend of tube body defect for secondary heating, does not obtain into one
Step development.And rotate diameter expansion method, due to this technique have apparatus for production line continuously arrange, technology configuration level, production efficiency,
Lumber recovery, product quality etc. are relatively high, therefore are used widely.
It but in terms of production technology, is that a kind of raw material outer diameter corresponds to a kind of roll forming of the roll configuration next life using method at present
Rotation expander is produced, in this way, mother tube outer diameter specification is more, the roll quantity of outfit is more, and there is tool of production preparations to take
The problem of with big, high production cost；Meanwhile it is very long the time required to replacing roll, seriously affect production efficiency.
Utility model content
The purpose of the utility model is to provide a kind of hot finished steel pipes of variable stagger-angle to revolve expansion machine, by adjusting to roll
Whole mode replaces the mode replaced to roll, to cope with various sizes of mother tube, without being directed to different sizes
Mother tube and make a variety of rolls, be effectively reduced tool of production setting up expenses, reduce production cost, reduce roll replacement time
Number improves production efficiency.
A kind of hot finished steel pipe for variable stagger-angle that in order to achieve the above object, the utility model provides revolves expansion machine, wherein institute
The hot finished steel pipe rotation expansion machine for stating variable stagger-angle includes two roll devices, guiding device and top；The roll device includes driving
Motivation structure and roll, the roll are connect with the driving mechanism, and it is axial past that the driving mechanism can drive the roll to carry out
It moves, circumferentially rotate again and swung centered on a vertical centerline；The roll includes tapered roller head；It is described
Guiding device includes upper guide plate and bottom guide；The roller head of the upper guide plate, the bottom guide and two rolls encloses
The expanding channel that can be passed through for steel pipe is formed, the top is coaxially set to the inside in the expanding channel.
The hot finished steel pipe of variable stagger-angle as described above revolves expansion machine, wherein the axis in the expanding channel is in rolling
Heart line, the rolling centerline are the horizontal line being crossed to form by horizontal central plane and vertical median plane, two roll devices
Two rolls be respectively arranged on the two sides of the vertical median plane；The roll further includes roll mandrel, the roller head it is straight
The biggish one end of diameter is connected to one end of the roll mandrel, and the roller head is coaxially disposed with the corresponding roll mandrel, two institutes
The roll mandrel for stating roll is horizontally disposed, and projection of the axis of two rolls on horizontal central plane is crossed to form and rolls
Roller alternate angle.
The hot finished steel pipe of variable stagger-angle as described above revolves expansion machine, wherein one of them roll device it is described
The axis of roll is located at the top of the horizontal central plane, and the axis of the roll of roll device described in another one is located at
The lower section of the horizontal central plane.
The hot finished steel pipe of variable stagger-angle as described above revolves expansion machine, wherein the hot finished steel pipe of the variable stagger-angle revolves
Expansion machine further includes pedestal and crossbeam, and two roll devices are mounted on the pedestal, and the both ends of the crossbeam are respectively with two
The top of the roll device connects, and the upper guide plate is installed on the lower surface of the crossbeam, and the bottom guide is installed on institute
It states on the upper surface of pedestal, the upper guide plate can move back and forth with the bottom guide along the axial direction in the expanding channel.
The hot finished steel pipe of variable stagger-angle as described above revolves expansion machine, wherein the upper guide plate is installed by upper driver
In on the lower surface of the crossbeam, the bottom guide is installed on the upper surface of the pedestal by lower driver.
The hot finished steel pipe of variable stagger-angle as described above revolves expansion machine, wherein the driving mechanism includes flexible driving group
Part, rotate driving component and wobble drive component, the flexible driving assembly can drive the roll along its axially reciprocating,
The rotate driving component can drive the roll to be rotated using its axis as shaft, and the wobble drive component can drive institute
Roll is stated to be swung centered on the corresponding vertical centerline.
The hot finished steel pipe of variable stagger-angle as described above revolves expansion machine, wherein the wobble drive component include swing seat,
Roll-box and driving cylinder, the swing seat are installed on the pedestal with being able to rotate by bottom column, and the roll-box can be torn open
It is installed in the swing seat to dress, the top of the roll-box is connect by top upright post with the crossbeam with being able to rotate, institute
The roll mandrel for stating roll runs through the inside for being installed on the roll-box, and the cylinder rod of the driving cylinder and the swing seat connect
It connects, the driving cylinder can drive the swing seat to be swung using the bottom column as shaft, the two wobble drive components
The axis of two bottom columns be overlapped respectively with two vertical centerlines.
The hot finished steel pipe of variable stagger-angle as described above revolves expansion machine, wherein the wobble drive component includes rack, turns
Drum, feed machine and compensating cylinder, the rack are installed on the pedestal in which can be removably mounted, the top of the rack and the crossbeam energy
It removably connects, the rotary drum can be swingingly installed on the inside of the rack centered on its longitudinal axis, and described
Cursor is formed on the side outer wall of rotary drum, the feed machine and the compensating cylinder are mounted in the rack, described to give
Into machine to inlet side in the horizontal direction with the side abutting contact of the cursor, the balance cylinder rod of the compensating cylinder is along level side
To the other side abutting contact with the cursor；The rack is installed on the pedestal in which can be removably mounted, two swings
The longitudinal axis of the rotary drum of the two of driving assembly is overlapped with two vertical centerlines respectively.
The hot finished steel pipe of variable stagger-angle as described above revolves expansion machine, wherein the rotate driving component includes sequentially connecting
Spindle, gear reducer, shaft coupling and the motor connect, the spindle are connect with one end far from the roller head of the roll mandrel.
The hot finished steel pipe of variable stagger-angle as described above revolves expansion machine, wherein along being relatively large in diameter by the roller head
One end to the roller head the lesser one end of diameter, the outer peripheral surface of the roller head by sequentially connected first annular conical surface with
Second annular conical surface composition, the cone angle of first annular conical surface are less than the cone angle of second annular conical surface.
Compared with prior art, as follows the advantages of the utility model:
The hot finished steel pipe of variable stagger-angle provided by the utility model revolves expansion machine, is driven by driving mechanism to roll
It is dynamic so that roll can be carried out be along its axial reciprocating motion, using its axis center axis circumferentially rotate and with one vertically in
Swing centered on heart line can effectively match with a variety of various sizes of mother tubes to be adjusted to roll, will
The mode of existing replacement different size roll is changed to the mode of adjustment roll, and the tool of production can so be effectively reduced and prepare expense
With reducing production cost, while the replacement of roll can be effectively reduced during carrying out expanding to various sizes of mother tube
Number improves production efficiency.
Detailed description of the invention
Following drawings are only intended to schematically illustrate and explain the present invention, does not limit the model of the utility model
It encloses.Wherein:
Fig. 1 is the main view of the hot finished steel pipe rotation expansion machine of the variable stagger-angle of the utility model；
Fig. 2 is the side view of the hot finished steel pipe rotation expansion machine of the variable stagger-angle of the utility model；
Fig. 3 is the group of the roll of the hot finished steel pipe rotation expansion machine of the variable stagger-angle of the utility model, upper guide plate and bottom guide
Close structural front view；
Fig. 4 is the group of the roll of the hot finished steel pipe rotation expansion machine of the variable stagger-angle of the utility model, upper guide plate and bottom guide
Close structure top view；
Fig. 5 is the group of the roll of the hot finished steel pipe rotation expansion machine of the variable stagger-angle of the utility model, upper guide plate and bottom guide
Close structural upright schematic diagram；
Fig. 6 is the group of the roll of the hot finished steel pipe rotation expansion machine of the variable stagger-angle of the utility model, upper guide plate and bottom guide
Close another stereoscopic schematic diagram of structure；
Fig. 7 is the overlooking structure diagram of the hot finished steel pipe rotation expansion machine of the variable stagger-angle of the utility model；
Fig. 8 is the swing of the driving mechanism of the roll device of the hot finished steel pipe rotation expansion machine of the variable stagger-angle of the utility model
The overlooking structure diagram of the driver of driving assembly；
Fig. 9 is the swing of the driving mechanism of the roll device of the hot finished steel pipe rotation expansion machine of the variable stagger-angle of the utility model
The side structure schematic view of the driver of driving assembly；
Figure 10 is that the plan structure of another embodiment of the hot finished steel pipe rotation expansion machine of the variable stagger-angle of the utility model is shown
It is intended to.
Drawing reference numeral explanation:
1, roll device；
11, driving mechanism；
111, rotate driving component；
1111, spindle；
1112, speed reducer；
1113, shaft coupling；
1114, motor；
112, wobble drive component；
1121, swing seat；
1122, roll-box；
1123, driving cylinder；
11231, cylinder seat；
11232, cylinder body；
11233, cylinder rod；
1124, bottom column；
1125, top upright post；
1126, rack；
1127, rotary drum；
11271, cursor；
1128, it is fed machine；
1129, compensating cylinder；
12, roll；
121, roller head；
1211, the first annular conical surface；
1212, the second annular conical surface；
122, roll mandrel；
21, upper guide plate；
22, bottom guide；
23, upper driver；
24, lower driver；
3, it comes directly towards；
31, mandril；
4, pedestal；
5, crossbeam；
6, mother tube；
O, rolling centerline；
P, vertical centerline；
M, horizontal central plane；
N, vertical median plane；
K, roll alternate angle；
K1, roll entrance cone angle；
K2, roll exit cone angle；
L, pore throat plane
Specific embodiment
In order to have clearer understanding to the technical solution of the utility model, purpose and effect, now in conjunction with Detailed description of the invention sheet
The specific embodiment of utility model.
As shown in FIG. 1 to FIG. 7, the utility model provides a kind of hot finished steel pipe rotation expansion machine of variable stagger-angle, wherein can
The hot finished steel pipe rotation expansion machine for becoming alternate angle includes two roll devices 1, guiding device and top 3；Roll device 1 includes driving mechanism
11 and roll 12, roll 12 connect with driving mechanism 11, during carrying out rotating expanding operation to mother tube 6, roll 12
(axis) keeps horizontality, and driving mechanism 11 can drive roll 12 to carry out axially reciprocating, circumferentially rotate and erect with one
It is swung and (is swung in a horizontal plane) centered on straight center line P；Roll 12 includes tapered roller head 121；Roll
12 can generate and circumferentially rotate so as to make mother tube 6 rotate expanding operation, roll 12 can generate axially reciprocating and
Carry out swinging centered on a vertical centerline P can outer peripheral surface to the distance between two roller heads 121, two roller heads 121 it
Between the angle that is formed be adjusted, to adapt to the mother tube 6 with different diameters, guiding device include upper guide plate 21 and
Bottom guide 22；The roller head 121 of upper guide plate 21, bottom guide 22 and two rolls 12 be enclosed can be passed through for steel pipe it is expanding logical
Road, top 3 are coaxially set to the inside in expanding channel, and come directly towards 3 inside that expanding channel is held in by mandril 31, top 3
For the cone-shaped structure that the feed direction along mother tube 6 is diametrically gradually increased, top 3 and upper guide plate 21, bottom guide 22 with
And two roller head 121 cooperate it is common complete to rotate expanding operation, it is expanding after steel pipe socket on mandril 31 and along far from top 3
Direction is mobile.
Further, as shown in Figures 3 and 4, the hot finished steel pipe of variable stagger-angle provided by the utility model revolves expansion machine,
In, the axis in expanding channel is rolling centerline O, and rolling centerline O is to intersect shape with vertical median plane N by horizontal central plane M
At horizontal line, two rolls 12 of two roll devices 1 are respectively arranged on the two sides of vertical median plane N；Rotating expanding operation process
In, two rolls 12, upper guide plate 21 and bottom guide 22 always keep the position of mother tube 6, make the axis of mother tube 6 and roll
Center line O processed is overlapped, with guarantee it is expanding after steel pipe wall thickness it is uniform, improve mother tube 6 and rotate expanding qualification rate；Roll
12 further include roll mandrel 122, and the one end of roller head 121 being relatively large in diameter is connected to one end of roll mandrel 122, roller head 121 with
Corresponding roll mandrel 122 is coaxially disposed, and roll mandrel 122 is transmitted for power；The roll mandrel 122 of two rolls 12 is horizontally disposed,
And two projection of the axis on horizontal central plane M of roll 12 be crossed to form roll alternate angle K, it is perpendicular with one respectively in two rolls 12
When being swung centered on straight center line P, the axis of two rolls 12 is swung, and the axis of two rolls 12 is in horizontal central plane
The angle for the roll alternate angle K that projection on M is crossed to form generates variation；Wherein, it will be appreciated by persons skilled in the art that
Vertical centerline P is not the fixed vertical line in a relative position, vertical centerline P and roll 12 for roll 12
Relative position changes with roll mandrel 122 to reciprocating motion.
Preferably, roll alternate angle K is 90 ° in rotating expanding operation process, when roll alternate angle K is 90 °,
The expanding speed of mother tube 6 is maximum.But it should be recognized that roll alternate angle K may be set to be other angles, this is practical new
Type is not limited thereto.
Preferably, as shown in figure 3, the hot finished steel pipe of variable stagger-angle provided by the utility model revolves expansion machine, wherein its
In the axis of roll 12 of a roll device 1 be located at the top of horizontal central plane M, the roll of another one roll device 1
12 axis is located at the lower section of horizontal central plane M, so keeps from upper and lower both direction to mother tube 6, can make mother tube 6
It is more uniformly stressed, is conducive to that the axis of mother tube 6 is kept to be overlapped with rolling centerline O.
Further, shown in as shown in Figure 1, Figure 2, Fig. 7 and Fig. 8, the hot finished steel pipe of variable stagger-angle provided by the utility model
Revolve expansion machine, wherein the hot finished steel pipe rotation expansion machine of variable stagger-angle further includes pedestal 4 and crossbeam 5, and two roll devices 1 are mounted on
On pedestal 4, the both ends of crossbeam 5 are connect with the top of two roll devices 1 respectively, and two roll devices 1 pass through pedestal 4 and 5 energy of crossbeam
Removably link together；Certain distance is formed between two roll devices 1, upper guide plate 21 is installed on the lower surface of crossbeam 5, under
Guide plate 22 is installed on the upper surface of pedestal 4, and upper guide plate 21 and bottom guide 22 are respectively positioned between two roll devices 1, upper guide plate 21
It can move back and forth along the axial direction in expanding channel with bottom guide 22, and upper guide plate 21 and bottom guide 22 can be along the vertical direction
Lifting reciprocating motion is carried out, upper guide plate 21, which passes through, move and moved along the axial direction in expanding channel on along the vertical direction,
It can be matched with the movement of two rolls 12, to form the expanding channel matched with the external dimensions of mother tube 6；
Preferably, as shown in Figures 5 and 6, the lower surface of upper guide plate 21 is concave up arcwall face, and bottom guide 22
Upper surface is to recessed arcwall face, preferably to cooperate the mother tube 6 of circular tube shaped.
Further, as shown in Figure 1, the hot finished steel pipe of variable stagger-angle provided by the utility model revolves expansion machine, wherein
Upper guide plate 21 is installed on the lower surface of crossbeam 5 by upper driver 23, and bottom guide 22 is installed on pedestal 4 by lower driver 24
Upper surface on.Upper guide plate 21 is installed on driver 23 in which can be removably mounted, upper guide plate 21 by the driving of upper driver 23 into
Row elevating movement and axial direction along expanding channel moves back and forth, bottom guide 22 is installed on lower driver 24 in which can be removably mounted,
Bottom guide 22 is moved back and forth by the driving progress elevating movement of lower driver 24 and the axial direction along expanding channel.
Further, the hot finished steel pipe of variable stagger-angle provided by the utility model revolves expansion machine, wherein driving mechanism 11 is wrapped
Flexible driving assembly, rotate driving component 111 and wobble drive component 112 are included, flexible driving assembly can drive roll 12 along it
Axially reciprocating, rotate driving component 111 can drive roll 12 to be rotated using its axis as shaft, wobble drive component
112 can drive roll 12 to be swung centered on corresponding vertical centerline P.
Further, as shown in fig. 7~fig. 9, the hot finished steel pipe of variable stagger-angle provided by the utility model revolves expansion machine,
Wherein, wobble drive component 112 includes swing seat 1121, roll-box 1122 and driving cylinder 1123, and swing seat 1121 passes through bottom
Column 1124 is installed on pedestal 4 with being able to rotate, and roll-box 1122 is installed in swing seat 1121 in which can be removably mounted, roll-box 1122
Top connect with being able to rotate with crossbeam 5 by top upright post 1125, so pass through crossbeam 5 and pedestal 4 for two swing seats 1121
It linking together with can be removably mounted with two roll-boxes 1122, the roll mandrel 122 of roll 12 runs through the inside for being installed on roll-box 1122,
Roll 12, roll-box 1122 and swing seat 1121 remain opposing stationary, drive during swing seat 1121 is swung, energy
Roll 12 is driven to swing with synchronizing with roll-box 1122, the cylinder rod of driving cylinder 1123 and the edge of swing seat 1121 connect
It connects, the cylinder rod and 1121 keeping parallelism of swing seat of driving cylinder 1123, driving cylinder 1123 can drive swing seat 1121 with bottom column
1124 are swung for shaft, and the cylinder rod of driving cylinder 1123 can be pushed and be pulled to swing during flexible, from
And swing seat 1121 is made to carry out reciprocally swinging, the axis of two bottom columns 1124 of two wobble drive components 112 is perpendicular with two respectively
Straight center line P is overlapped, to guarantee that two roll devices 1 are swung centered on two vertical centerline P respectively.
Wherein, as can be seen from figures 8 and 9, driving cylinder 1123 includes cylinder seat 11231, cylinder body 11232 and cylinder rod 11233, cylinder body
11232 middle part is installed in cylinder seat 11231 with being able to rotate, and cylinder body 11232 can drive cylinder rod 11233 to be swung, cylinder rod
11233 are placed in the inside of cylinder body 11232, and cylinder body 11232 can drive the cylinder rod 11233 axially to carry out stretching motion along it, so
Realize driving of the driving cylinder 1123 to swing seat 1121.
Alternatively, as shown in Figure 10, the hot finished steel pipe of variable stagger-angle provided by the utility model revolves expansion machine, wherein swings
Driving assembly 112 includes that rack 1126, rotary drum 1127, feed machine 1128 and compensating cylinder 1129, rack 1126 are installed in which can be removably mounted
In on pedestal 4, the top of rack 1126 is connect in which can be removably mounted with crossbeam 5, and two racks 1126, pedestal 4 and crossbeam 5 connect in which can be removably mounted
It is connected into as an entirety, during the work time, two racks 1126 keep opposing stationary with pedestal 4, crossbeam 5 always, rotary drum 1127
The inside of rack 1126 can be swingingly installed on centered on its longitudinal axis, therefore rotary drum 1127 can the opposite production of rack 1126
Raw opposite swing；And cursor 11271 is formed on the side outer wall of rotary drum 1127, cursor 11271 is still located on rack
1126 inside, feed machine 1128 and compensating cylinder 1129 are mounted in rack 1126, and feed machine 1128 extends to machine to inlet side
The inside of frame 1126 and in the horizontal direction with the side abutting contact of cursor 11271, the balance cylinder rod of compensating cylinder 1129 extends to
The inside of rack 1126 and in the horizontal direction with the other side abutting contact of cursor 11271, be fed machine 1128 can push rotation
Arm 11271 is moved towards the direction close to compensating cylinder 1129, and the balance cylinder rod of compensating cylinder 1129 is compressed at this time, when feed machine
1128 stop after exerting a force to cursor 11271, and the restoring force of the balance cylinder rod of compensating cylinder 1129 promotion cursor 11271 is towards remote
Direction movement from compensating cylinder 1129, so realizes the swing of rotary drum 1127；Rack 1126 is installed on pedestal 4 with can be removably mounted
On, the longitudinal axis of two rotary drums 1127 of two driving assemblies is overlapped with two vertical centerline P respectively, to guarantee two rotary drums 1127
Two rolls 12 are driven to be swung centered on vertical centerline P respectively.
Further, as shown in Fig. 7 and Figure 10, the hot finished steel pipe of variable stagger-angle provided by the utility model revolves expansion machine,
Wherein, rotate driving component 111 includes sequentially connected spindle 1111, speed reducer 1112, shaft coupling 1113 and motor 1114, electricity
Machine 1114 passes through the input axis connection of shaft coupling 1113 and speed reducer 1112, the output shaft of speed reducer 1112 and the one of spindle 1111
End connection, one end of the separate roller head 121 of the other end and roll mandrel 122 of spindle 1111 is connect.
Further, as shown in FIG. 1 to FIG. 7 and Figure 10, the hot finished steel pipe of variable stagger-angle provided by the utility model revolves
Expansion machine, wherein along lesser one end of diameter of the one end being relatively large in diameter to the roller head 121 by roller head 121, roller head
121 outer peripheral surface is made of sequentially connected first annular conical surface 1211 and the second annular conical surface 1212, the cone of the first annular conical surface 1211
Cone angle of the angle less than the second annular conical surface 1212.Make hatching, the close rolling of the first annular conical surface 1211 along the axis of roll 12
Roll exit cone angle K2, the close rolling center of the second annular conical surface 1212 are formed between the edge and rolling centerline O of center line O
Roll entrance cone angle K1 is formed between the edge and rolling centerline O of line O, with the swing of roll 12, roll entrance cone angle K1
It is also accordingly adjusted with roll exit cone angle K2, reaches the expanding production for being able to satisfy different supplied materials specifications without replacement roll 12
Purpose；Also, when making hatching along the axis of roll 12, the edge of the close rolling centerline O of the first annular conical surface 1211 with
The junction at the edge of the close rolling centerline O of the second annular conical surface 1212 forms cusp, while vertical-horizontal median plane M and perpendicular
Straight median plane N, and the plane for passing through two cusps is pore throat plane L.
Compared with prior art, as follows the advantages of the utility model:
The hot finished steel pipe of variable stagger-angle provided by the utility model revolves expansion machine, is driven by driving mechanism to roll
It is dynamic so that roll can be carried out be along its axial reciprocating motion, using its axis center axis circumferentially rotate and with one vertically in
Swing centered on heart line can effectively match with a variety of various sizes of mother tubes to be adjusted to roll, will
The mode of existing replacement different size roll is changed to the mode of adjustment roll, and the tool of production can so be effectively reduced and prepare expense
With reducing production cost, while the replacement of roll can be effectively reduced during carrying out expanding to various sizes of mother tube
Number improves production efficiency.
The above descriptions are merely exemplary embodiments of the present utility model, the model being not intended to limit the utility model
It encloses.Any those skilled in the art, it is made etc. under the premise of not departing from the conceptions and principles of the utility model
With variation and modification, the range of the utility model protection should belong to.
Claims (10)
1. a kind of hot finished steel pipe of variable stagger-angle revolves expansion machine, which is characterized in that the hot finished steel pipe of the variable stagger-angle, which revolves, to be expanded
Machine includes two roll devices, guiding device and top；The roll device includes driving mechanism and roll, the roll with it is described
Driving mechanism connection, the driving mechanism can drive the roll carry out axially reciprocating, circumferentially rotate and with one it is vertical in
It is swung centered on heart line；The roll includes tapered roller head；The guiding device includes upper guide plate and bottom guide；
The roller head of the upper guide plate, the bottom guide and two rolls is enclosed the expanding channel that can be passed through for steel pipe,
The top is coaxially set to the inside in the expanding channel.
2. the hot finished steel pipe of variable stagger-angle according to claim 1 revolves expansion machine, which is characterized in that the expanding channel
Axis is rolling centerline, and the rolling centerline is the horizontal line being crossed to form by horizontal central plane and vertical median plane, two
The roll of the two of the roll device is respectively arranged on the two sides of the vertical median plane；The roll further includes roll mandrel, institute
The one end being relatively large in diameter for stating roller head is connected to one end of the roll mandrel, and the roller head and the corresponding roll mandrel are same
Axis setting, the roll mandrel of two rolls is horizontally disposed, and throwing of the axis of two rolls on horizontal central plane
Shadow is crossed to form roll alternate angle.
3. the hot finished steel pipe of variable stagger-angle according to claim 2 revolves expansion machine, which is characterized in that rolled described in one of them
The axis of the roll of roller arrangement is located at the top of the horizontal central plane, and the described of roll device described in another one is rolled
The axis of roller is located at the lower section of the horizontal central plane.
4. the hot finished steel pipe of variable stagger-angle according to claim 2 revolves expansion machine, which is characterized in that the variable stagger-angle
Hot finished steel pipe rotation expansion machine further include pedestal and crossbeam, two roll devices are mounted on the pedestal, the crossbeam
Both ends are connect with the top of two roll devices respectively, and the upper guide plate is installed on the lower surface of the crossbeam, under described
Guide plate is installed on the upper surface of the pedestal, the upper guide plate and the bottom guide can along the expanding channel it is axial into
Row moves back and forth.
5. the hot finished steel pipe of variable stagger-angle according to claim 4 revolves expansion machine, which is characterized in that the upper guide plate passes through
Upper driver is installed on the lower surface of the crossbeam, and the bottom guide is installed on the upper surface of the pedestal by lower driver
On.
6. the hot finished steel pipe of variable stagger-angle according to claim 4 revolves expansion machine, which is characterized in that the driving mechanism packet
Flexible driving assembly, rotate driving component and wobble drive component are included, the flexible driving assembly can drive the roll along it
Axially reciprocating, the rotate driving component can drive the roll to be rotated using its axis as shaft, and the swing is driven
Dynamic component can drive the roll to be swung centered on the corresponding vertical centerline.
7. the hot finished steel pipe of variable stagger-angle according to claim 6 revolves expansion machine, which is characterized in that the wobble drive group
Part includes swing seat, roll-box and driving cylinder, and the swing seat is installed on the pedestal with being able to rotate by bottom column, institute
It states roll-box and is installed on can be removably mounted in the swing seat, the top of the roll-box can be turned by top upright post with the crossbeam
It connects dynamicly, the roll mandrel of the roll runs through the inside for being installed on the roll-box, the cylinder rod of the driving cylinder and institute
Swing seat connection is stated, the driving cylinder can drive the swing seat to be swung using the bottom column as shaft, two pendulum
The axis of two bottom columns of dynamic driving assembly is overlapped with two vertical centerlines respectively.
8. the hot finished steel pipe of variable stagger-angle according to claim 6 revolves expansion machine, which is characterized in that the wobble drive group
Part includes rack, rotary drum, feed machine and compensating cylinder, and the rack is installed on the pedestal in which can be removably mounted, the top of the rack
Portion is connect in which can be removably mounted with the crossbeam, and the rotary drum can be swingingly installed on the rack centered on its longitudinal axis
Inside, and cursor is formed on the side outer wall of the rotary drum, the feed machine and the compensating cylinder are mounted on described
In rack, the feed machine to inlet side in the horizontal direction with the side abutting contact of the cursor, the compensating cylinder it is flat
Weigh cylinder rod in the horizontal direction with the other side abutting contact of the cursor；The rack is installed on the pedestal with can be removably mounted
On, the longitudinal axis of two rotary drums of two swing the driving component is overlapped with two vertical centerlines respectively.
9. revolving expansion machine according to the hot finished steel pipe of the described in any item variable stagger-angles of claim 6~8, which is characterized in that described
Rotate driving component includes sequentially connected spindle, gear reducer, shaft coupling and motor, and the spindle is separate with the roll mandrel
One end of the roller head connects.
10. the hot finished steel pipe of variable stagger-angle according to claim 1 revolves expansion machine, which is characterized in that rolled along by described
Lesser one end of diameter of the one end being relatively large in diameter to the roller head of roller head, the outer peripheral surface of the roller head is by being sequentially connected with
The first annular conical surface and the second annular conical surface form, the cone angle of first annular conical surface is less than the cone angle of second annular conical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821149288.9U CN208743362U (en) | 2018-07-18 | 2018-07-18 | The hot finished steel pipe of variable stagger-angle revolves expansion machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821149288.9U CN208743362U (en) | 2018-07-18 | 2018-07-18 | The hot finished steel pipe of variable stagger-angle revolves expansion machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208743362U true CN208743362U (en) | 2019-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821149288.9U Active CN208743362U (en) | 2018-07-18 | 2018-07-18 | The hot finished steel pipe of variable stagger-angle revolves expansion machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108889780A (en) * | 2018-07-18 | 2018-11-27 | 北京京诚之星科技开发有限公司 | The hot finished steel pipe of variable stagger-angle revolves expansion machine |
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2018
- 2018-07-18 CN CN201821149288.9U patent/CN208743362U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108889780A (en) * | 2018-07-18 | 2018-11-27 | 北京京诚之星科技开发有限公司 | The hot finished steel pipe of variable stagger-angle revolves expansion machine |
| CN108889780B (en) * | 2018-07-18 | 2024-04-19 | 北京京诚瑞信长材工程技术有限公司 | Hot rolled steel pipe rotary expanding machine with variable staggered angle |
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Effective date of registration: 20220218 Address after: 100176 room l1-1018, 7 Jian'an street, Beijing Economic and Technological Development Zone, Daxing District, Beijing Patentee after: CERI Long Product Co.,Ltd. Patentee after: MCC Jingcheng Engineering Technology Co., Ltd Address before: 100176 No.7 Jian'an street, Beijing Economic and Technological Development Zone, Daxing District, Beijing Patentee before: CERI TECHNOLOGY Co.,Ltd. Patentee before: MCC Jingcheng Engineering Technology Co., Ltd |
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