CN211707813U

CN211707813U - Online indent equipment of steel pipe

Info

Publication number: CN211707813U
Application number: CN201921910156.8U
Authority: CN
Inventors: 沈淦荣; 徐志茹; 杨伟芳; 李善福; 罗先锋; 沈爱民; 沈介雨; 张琦; 王文洁
Original assignee: Zhejiang Kingland Pipeline Technology Co ltd
Current assignee: Zhejiang Kingland Pipeline Technology Co ltd
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-10-20
Anticipated expiration: 2029-11-07

Abstract

An object of the utility model is to provide an online indent equipment of steel pipe includes at least: the transfer frames are positioned at the upstream and downstream ends and used for feeding and discharging the steel pipes; the movable trolley can move to and fro between the two transfer frames to transfer the steel pipes; the two rolling groove units are sequentially arranged between the two middle rotating frames along the upstream direction and the downstream direction and are distributed left and right, and the bottom of each rolling groove unit is provided with a walking device which can move vertical to the upstream direction and the downstream direction; the rolling groove brackets are arranged between the movable trolley and the rolling groove unit in parallel at intervals; and the loading device, the moving trolley, the rolling groove unit and the rolling groove support are provided with position sensors which interact with each other. The automatic steel pipe grooving machine can automatically operate grooving work, and the structure and the operation flow can be connected to the production line to operate on line, namely the steel pipe grooving machine is directly connected with upstream steel pipe production equipment and downstream detection packaging equipment, so that the steel pipe with grooving can be produced to form a smooth production line with high-efficiency operation, a simple structure and a saved field.

Description

Online indent equipment of steel pipe

Technical Field

The utility model relates to a steel pipe indent processing equipment field especially relates to an online indent equipment of steel pipe.

Background

The clamp type pipeline connection has good performances and advantages of convenient assembly, disassembly and maintenance, reliable performance, vibration isolation and sound absorption, zero pollution and the like, and is widely applied to the connection of liquid and gas conveying pipelines. When the clamp type connecting pipeline end groove is machined, the pipe wall is placed between a pair of matched concave rollers and convex rollers, and the groove is machined through the rotation of the concave rollers and the slow feeding of the convex rollers. At present, the mode of manual feeding, one end processing, pipe fitting turning, the other end processing and manual discharging is adopted in groove processing, the labor intensity is high, and the processing efficiency is low.

The pipe end grooving equipment used at present is generally arranged outside a production line, namely, off-line processing: the steel pipe is transported to the indent equipment from the production line and transported back to the production line after finishing processing, so that the processing operation efficiency is reduced, the production efficiency cannot be improved, and the waste of a production field is caused by transportation flow storage requirements and offline equipment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an online indent equipment of steel pipe, its operation indent work that can automize to its structure and operation flow can insert online operation in the production line, and the steel pipe production facility in its lug connection upper reaches and the detection baling equipment in low reaches make the production of the steel pipe that has the indent form smooth high-efficient operation, the production line that the structure is retrencied, is practiced thrift the place promptly.

To realize the purpose of the utility model, the utility model adopts the following technical scheme:

an online steel pipe grooving device at least comprises: the transfer frames are positioned at the upstream and downstream ends and used for feeding and discharging the steel pipes; the movable trolley can move to and fro between the two transfer frames to transfer the steel pipes; the two rolling groove units are sequentially arranged between the two middle rotating frames along the upstream direction and the downstream direction and are distributed left and right, and the bottom of each rolling groove unit is provided with a walking device which can move vertical to the upstream direction and the downstream direction; the rolling groove brackets are arranged between the movable trolley and the rolling groove unit in parallel at intervals; and the loading device, the moving trolley, the rolling groove unit and the rolling groove support are provided with position sensors which interact with each other.

As the utility model discloses a preferred, the travelling car include walking support, liftable connect in the lifting support of walking support top with locate the first bracket of a plurality of equidistance intervals setting of lifting support top.

As the utility model discloses a preferred, the roll groove support including fixed base, liftable connect in the saddle and a plurality of equidistance interval of base are located the second bracket at saddle top.

Preferably, the second bracket includes a V-shaped frame, a roller rotatably connected to the V-shaped frame, and an anti-slip layer is disposed on the surface of the roller.

As the utility model discloses a preferred, V type frame pass through adjusting device adjustable connect in the saddle top, adjusting device's regulation direction perpendicular to goes up the downstream direction.

As the utility model discloses a preferred, the slot rolling machine unit still includes the unit head that is connected with driving motor that a plurality of horizontal intervals set up and locates the movable slot rolling head that the unit head side meaning corresponds, but the unit head outline is for the cylinder of tensioning installation in the steel pipe inner wall.

As a preferred aspect of the present invention, the power head surface is provided with an anti-slip knurl.

As a preferred aspect of the present invention, the first number of brackets is equal to two, the number of power heads of the channeling machine set.

Preferably, the third bracket is arranged on the transfer frame and rotates in a manner of an annular chain link in a vertical plane parallel to the upstream direction and the downstream direction.

As the utility model discloses a preferably, be located the upper reaches end the transfer rack upper reaches are equipped with the storage frame, the storage frame includes that fixed bolster and movable locate the movable support that can follow the up-and-down direction and remove in the fixed bolster outside, be equipped with the fourth bracket on the movable support.

The utility model can automatically operate; the end part grooving of a plurality of steel pipes can be realized at one time; the continuous production line type operation can be realized, and the like, and further, the continuous production line type production line has the advantages of high working efficiency, high production quality, small equipment floor area and the like.

Drawings

Fig. 1 is a front view schematically illustrating the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic side view of the second bracket of the present invention;

fig. 4 is a schematic structural view of the power head of the present invention;

fig. 5 is a schematic structural view of the transfer rack of the present invention;

FIG. 6 is a schematic structural view of the movable cart of the present invention;

the items in the figure are respectively: 1 transfer rack, 11 third bracket, 2 travelling car, 21 walking support, 22 lifting support, 23 first bracket, 3 channelling units, 31 running gear, 32 unit head, 33 channelling heads, 4 channelling supports, 41 bases, 42 pallets, 43 second bracket, 431V-shaped frame, 432 rollers, 433 adjusting device, 5 storage racks, 51 fixed support, 52 movable support and 53 fourth bracket.

Detailed Description

The present invention is described in detail below with reference to the attached drawings:

the embodiment is described by taking an on-line steel pipe grooving apparatus capable of processing grooving at one end of 8 steel pipes at a time as an example.

An on-line steel pipe grooving apparatus as shown in fig. 1, 2, 3, 4, 5, and 6 at least comprises: the transfer frame 1 is positioned at the upstream and downstream ends and connected with the upstream and downstream ends of the production line and used for feeding and discharging steel pipes; a movable trolley 2 which can move to and fro between the two middle rotating frames 1 for transferring the steel pipes; the two channeling units 3 are sequentially arranged between the two middle rotating frames 1 along the upstream direction and the downstream direction and are distributed left and right, and the bottom of each channeling unit 3 is provided with a traveling device 31 which can move vertical to the upstream direction and the downstream direction; the rolling groove brackets 4 are arranged between the movable trolley 2 and the rolling groove unit 3 in parallel at intervals; the feeding device, the moving trolley 2, the rolling groove unit 3 and the rolling groove support 4 are provided with interactive position sensors, the position sensors can be one or more combinations of sensors with position and distance detection capabilities such as infrared sensors, laser ranging sensors, encoders, magnetic brush displacement sensors (preferably, the magnetic brush displacement sensors are used for accurately detecting position variation, and other sensors are used for assisting), the position sensors are jointly connected into a microcomputer with a control function and provide parameters for the microcomputer to control the groove pressing operation and accurately control, and the running position of the equipment in the working process is detected and controlled by the position sensors. (to support the two ends of the steel pipe, the brackets, the supports, and the like in this embodiment are symmetrically arranged in pairs along the upstream and downstream directions).

In this embodiment, the moving cart 2 includes a traveling support 21 (a rack is fixed on the ground as a track, and a gear driven by a servo motor is mounted on the traveling support 21 to travel) of a frame structure that travels in a rack-and-pinion manner under the drive of the servo motor, and a lifting support 22 connected above the traveling support 21 in a liftable manner, where the lifting support 22 in this embodiment is an X-shaped lifting support similar to a jack for an automobile, and the lifting of the support is realized by a screw mechanism or a hydraulic mechanism located on a side surface. And locate the first bracket 23 that a plurality of equidistance intervals set up above lifting support 22, first bracket 23 is the plate that has the V groove that plastics or other soft high strength material made in this embodiment, and the damage of mutual impact reduces when the steel pipe is transported to it by transfer frame 1 to the soft structure relatively, and eliminate possible beating and lead to the steel pipe crooked, drop scheduling problem, its V groove is used for spacing steel pipe and realizes from the position accuracy nature of centering assurance follow-up indent processing through the characteristic of V groove structure. The first bracket 23 also exhibits bilateral symmetry in the upstream and downstream directions on the elevating bracket 22 to achieve stable racking transport of both ends of the steel pipe.

In this embodiment, the rolling slot support 4 includes a fixed base 41, a supporting platform 42 connected to the base 41 in a lifting manner and capable of realizing large bearing and high precision through a servo cylinder/servo cylinder, and a plurality of second brackets 43 arranged on the top of the supporting platform 42 at equal intervals, wherein the supporting platform 42 enables the second brackets 43 on the supporting platform to synchronously lift so as to improve the operation precision.

In this embodiment, the second bracket 43 includes a V-shaped frame 431 with a frame structure, and at least four rollers 432 (at least two on each side of the V-shape) rotatably mounted on the frame of the V-shaped frame 431 by pin connection, where the surface of the roller 432 has an anti-slip layer, and the anti-slip layer may be a rubber or other soft layer sleeved on the surface of the roller 432 or a pattern processed on the surface of the roller 432 by knurling or the like, so as to improve the friction force between the roller and the steel pipe and prevent the roller from slipping due to an axial force during the processing. The roller 432 is used for ensuring the smoothness of circumferential rotation of the steel pipe in the process of rotating the pressure groove.

In this embodiment, the V-shaped frame 431 is adjustably connected to the top of the supporting platform 42 through an air cylinder, an oil cylinder or a linear motor adjusting device 433, and an adjusting direction of the adjusting device 433 is perpendicular to the upstream and downstream directions. Therefore, on one hand, the support adaptation to steel pipes with different lengths can be realized by moving and adjusting the position; on the other hand, the position of the steel pipe lifted by the steel pipe lifting device can be finely adjusted to better adapt the channeling machine set 3 to process the steel pipe.

In this embodiment, the channeling unit 3 further includes a housing installed on the traveling device 31, the traveling device 31 is a driving and guiding device of the housing formed by combining the servo cylinder/the servo cylinder and the guide rail, the housing is provided with a plurality of power heads 32 horizontally arranged at intervals and connected with a driving motor, and channeling heads 33 arranged on the side faces of the power heads 32 and driven by the cylinders, the power heads 32 are cylinders capable of being installed on the inner wall of the steel pipe in a tensioning manner, and on the basis of the cylinders, the power heads can be set to be three-jaw chucks and elastic expansion columns which are driven by air pressure/hydraulic pressure to automatically realize tensioning, so that the tensioning can be realized after the power heads are inserted into the steel pipe. The inner wall of the power head 32 is coupled with an output shaft of the driving motor to realize rotation, the output torque of the driving motor can be transmitted to the steel pipe to rotate after the power head is externally tensioned and installed on the inner wall of the steel pipe, meanwhile, the oil cylinder drives the rolling groove head 33 to press the surface of the steel pipe, namely, a groove is formed, and the groove correspondingly rotates to form a required pressing groove through the rotation of the steel pipe. The diameter of the working power head 32 can be changed according to the actual inner diameter of the steel pipe, and the section shape of the roller groove head 33 and the distance between the roller groove head and the end part of the steel pipe can be adjusted through adjusting the installation position and changing the head part according to the designed groove pressing shape parameters.

In this embodiment, power head 32 surface finish has anti-skidding annular knurl to guarantee that its tensioning can provide sufficient frictional force and drive the steel pipe rotation after installing at the steel pipe inner wall.

In this embodiment, the number of the first brackets 23 is equal to the number of the power heads 32 of the two rolling slot machines 3. Since the present embodiment performs the grooving operation for one end of 8 steel pipes at a time, the number of the first brackets 23 in the present embodiment is 16 on each side which is bilaterally symmetric; each channeling unit 3 has 8 power heads 32 equally spaced from the first bracket 23; the roll groove support 4 has two sets of (stabilize the bearing steel pipe) along the upstream and downstream direction symmetry, every group is for two along the upstream and downstream direction linear arrangement in order to realize the indent processing respectively at steel pipe both ends and further improve machining efficiency, the second bracket 43 on every roll groove support 4 also has 8 and distributes and separate and equal with the interval between the first bracket 23, thereby the second bracket 43 provides the bearing in the accurate indent process with the unit head 32 collineation of roll groove unit 3 on the direction of perpendicular to upstream and downstream simultaneously.

In this embodiment, the middle rotating frame 1 is provided with third brackets 11 which rotate in a ring-shaped chain link manner in a vertical plane parallel to the upstream direction and the downstream direction, the third brackets 11 form a ring in a chain link connection manner, and each third bracket 11 is provided with a V-shaped groove for limiting and driving a steel pipe. The endless chain is driven by a motor to rotate, and the steel pipes on the upstream production line or the moving trolley 2 are taken away by the V-shaped groove and conveyed to the moving trolley 2 or the downstream production line. The height of the lifting bracket 22 of the travelling car 2 is lower than that of the third bracket 11 bearing the steel pipe when the travelling car is completely retracted, so that the travelling car can enter the lower part of the intermediate rotating frame 1 and transport the steel pipe by lifting and the like.

In this embodiment, a storage rack 5 formed by welding/screwing a square steel tube with a gantry structure is arranged at the upstream of the transfer frame 1 at the upstream end, the storage rack 5 includes a fixed support 51 and a movable support 52 inserted in the fixed support 51 and capable of stretching and moving in the upstream and downstream directions on the fixed support 51 through electric or manual operation, and a fourth bracket 53 is arranged on the movable support 52. Fourth bracket 53 is for being close to the bellied spacing structure of steel pipe that is used for of transfer frame 2 one end from movable support 52, and fixed bolster 51 is used for temporarily storing and deposits the steel pipe that the upper reaches production line sent into through roller or conveyer belt with the mode of individual layer tiling to be convenient for lie in transfer frame 1 of upper reaches end and transport the steel pipe, both can stretch out and draw out movable support 52 when output is great in the upper reaches and in order to improve its storage capacity to the steel pipe and in order to realize the dynamic adaptation on the production line. Meanwhile, the whole material storage frame is downward inclined towards the downstream side, so that the steel pipes are tightly arranged under the action of gravity and can be automatically supplemented after the front steel pipes are conveyed away.

The working flow of the equipment is as follows:

(1) the upstream production line or the storage rack 5 conveys the steel pipe to be processed to the transfer rack 1 positioned at the upstream end, and the movable trolley 2 moves to the upstream end and transfers the steel pipe from the transfer rack 1 to obtain the steel pipe. Wherein the action of the trolley 2 for transferring to obtain the steel pipe is as follows: the third bracket 11 on the transfer rack 1 transfers 8 steel pipes from an upstream production line and moves to 8 steel pipes in a chain manner to be distributed at intervals, the lifting support 22 of the movable trolley 2 is lifted to enable the first bracket 23 to lift the steel pipes on the third bracket 11 to obtain the steel pipes, the method can efficiently obtain 8 steel pipes through one-time transfer, the movable trolley is preferentially selected to support and transfer by 8 first brackets 23 on the downstream side during operation, then the movable trolley 2 moves downstream to enable the 8 first brackets 23 on the upstream side to be lifted and transferred, and at the moment, the channeling unit 3 on the upstream side corresponds to the 8 first brackets 23 on the downstream side, so that the process of transferring one end and transferring the other end, namely compounding in machining, can be realized, and the working efficiency is further improved. The steel pipe is transported from the storage rack 5 or the upstream production line by the transfer rack 1 in the following actions: the third bracket 11 is slightly higher than the height of the material storage rack 5 or the feeding position of the upstream production line at the upstream end of the transfer frame 1, when the third bracket 11 rotates in a downstream chain manner, the material storage rack 5 or the steel pipes on the upstream production line can be supported and conveyed downwards, and particularly the steel pipes provided by the material storage rack 5 are in a single-layer arrangement structure, so that the next steel pipe can roll down to repair the position after being conveyed away, and the next third bracket 11 is convenient to transport, and efficient and automatic operation is realized.

(2) The movable trolley 2 moves to 8 first brackets close to the downstream side to be aligned with the rolling groove support 4 close to the upstream side and the rolling groove unit 3, the saddle 42 of the rolling groove support 4 is lifted to be higher than the first bracket 23, the steel pipe is enabled to be transferred from the first bracket 23 to the second bracket 43, then under the action of the position sensor, the lifting support 22 of the movable trolley 2 descends (interference prevention), and the saddle 42 is adjusted to be high until the axis of the steel pipe is coincident with the axis of the power head 32.

(3) The traveling device 31 drives the rolling groove unit 3 to move towards the steel pipe, the adjusting device 433 on the supporting platform 42 also moves in a matched mode until the power head 32 is inserted into the end portion of the steel pipe and tensioning is achieved, the rolling groove support 4 close to one side of the rolling groove unit 3 descends while the power head 32 is inserted, a structure for supporting the two ends of the steel pipe by the rolling groove support 4 far away from one side of the rolling groove unit 3 and the power head 32 is formed, friction of the steel pipe during groove pressing action is reduced, groove pressing efficiency is improved, and the number of pivots which can cause axis deviation is reduced.

(4) The power head 32 for tensioning the steel tube rotates, and the roller groove head 33 is driven to press the end part of the steel tube to form an annular pressure groove.

(5) After the grooving is finished, the rolling groove support 4 close to one side of the rolling groove unit 3 ascends to return to support, the power head 32 releases tensioning and returns to the initial position through the traveling device 31, the rolling groove supports 4 on the two sides synchronously descend, and the lifting support 22 of the mobile trolley 2 ascends to enable the steel pipe to return to be supported by the first bracket 23.

(6) The other end of the steel pipe with one processed end of the movable trolley 2 is corresponding to the rolling groove unit 3 on the downstream side, and the process steps in the steps (2) - (5) are repeated to realize the groove pressing completion on the other end, meanwhile, due to the arrangement in the embodiment, the steel pipe supported by 8 first brackets 23 on the upstream side of the movable trolley 2 can also realize the groove pressing processing on the first end part, and the efficiency is further improved.

(7) After the two ends of the steel pipe are processed, the steel pipe is lifted to a position higher than the transfer frame 1 at the downstream end by the moving trolley 2, then the lifting support 22 descends to transfer the steel pipe to the third bracket 11 on the transfer frame 1, and the third bracket 11 rotates in the downstream direction, so that the steel pipe on the third bracket falls down to the downstream production line from the tail end of the third bracket and is transported to the detection and packaging working section.

The above embodiments are only described for the preferred embodiments of the present invention, and are not intended to limit the concept and scope of the present invention, and the various modifications and improvements made by the ordinary person in the art without departing from the design concept of the present invention all fall into the protection scope of the present invention.

Claims

1. The utility model provides an online indent equipment of steel pipe which characterized in that includes at least: the middle rotating frame (1) is positioned at the upstream and downstream ends and used for feeding and discharging steel pipes; a movable trolley (2) which can move to and fro between the two middle rotating frames (1) for transferring the steel pipes; the two channeling units (3) are sequentially arranged between the two middle rotating frames (1) along the upstream direction and the downstream direction and are distributed left and right, and the bottom of each channeling unit (3) is provided with a traveling device (31) which can move vertical to the upstream direction and the downstream direction; the rolling groove brackets (4) are arranged between the moving trolley (2) and the rolling groove unit (3) in parallel at intervals; and position sensors which interact with each other are arranged on the movable trolley (2), the rolling groove unit (3) and the rolling groove support (4).

2. The steel pipe online grooving equipment according to claim 1, wherein the moving trolley (2) comprises a walking support (21), a lifting support (22) connected above the walking support (21) in a lifting manner, and a plurality of first brackets (23) arranged above the lifting support (22) at equal intervals.

3. The on-line steel pipe grooving equipment according to claim 1, wherein the roll groove support (4) comprises a fixed base (41), a supporting platform (42) connected to the base (41) in a lifting manner, and a plurality of second brackets (43) arranged on the top of the supporting platform (42) at equal intervals.

4. An on-line steel pipe grooving apparatus according to claim 3, wherein the second bracket (43) comprises a V-shaped frame (431), a roller (432) rotatably connected to the V-shaped frame (431), and an anti-slip layer is present on a surface of the roller (432).

5. An on-line steel pipe grooving apparatus according to claim 4, wherein the V-shaped frame (431) is adjustably connected to the top of the saddle (42) by an adjusting device (433), and an adjusting direction of the adjusting device (433) is perpendicular to an upstream direction and a downstream direction.

6. The steel pipe online grooving equipment according to claim 2, wherein the channeling unit (3) further comprises a plurality of power heads (32) which are horizontally arranged at intervals and connected with driving motors, and movable channeling heads (33) which are arranged on the side surfaces of the power heads (32) and correspond to each other in significance, and the outer contours of the power heads (32) are cylinders which can be installed on the inner walls of the steel pipes in a tensioned manner.

7. The steel pipe online grooving equipment according to claim 6, wherein the power head (32) is provided with anti-slip knurls on the surface.

8. The steel pipe online grooving equipment according to claim 7, wherein the number of the first brackets (23) is equal to the number of power heads (32) of the two grooving machine sets (3).

9. An on-line steel pipe grooving apparatus according to claim 1, wherein the turret (1) is provided with a third carrier (11) that rotates in a ring link in a vertical plane parallel to the upstream and downstream directions.

10. The steel pipe on-line slot pressing equipment as claimed in claim 1, wherein a storage rack (5) is arranged at the upstream end of the middle rotating rack (1), the storage rack (5) comprises a fixed support (51) and a movable support (52) which is movably arranged at the outer side of the fixed support (51) and can move along the upstream direction and the downstream direction, and a fourth bracket (53) is arranged on the movable support (52).