CN110920041B

CN110920041B - Production line of epoxy glass fiber reinforced plastic pipeline

Info

Publication number: CN110920041B
Application number: CN202010087600.1A
Authority: CN
Inventors: 刘波; 李培江; 王凯琦; 张利欣; 杨宝珍; 陈勇强
Original assignee: Shengli Oilfield Xinda Pipes Technology Development Co Ltd
Current assignee: Shengli new big new materials Co., Ltd
Priority date: 2020-02-12
Filing date: 2020-02-12
Publication date: 2020-06-16
Anticipated expiration: 2040-02-12
Also published as: CN110920041A

Abstract

The invention provides a production line of epoxy glass fiber reinforced plastic pipelines, which comprises: the winding machine comprises a machine head driving mechanism, a core die and a machine tail pulling mechanism, wherein the machine head driving mechanism is matched with one end of the core die and drives the core die to rotate, the machine tail pulling mechanism is matched with the other end of the core die and can lift, the machine tail pulling mechanism can rotate and pull the core die in the axial direction, and a fixing structure part of the machine tail pulling mechanism is clamped into the core die from the peripheral surface of the core die and is locked; the thread shackle mechanism is used for disengaging the thread matching of the epoxy glass fiber reinforced plastic pipeline and the core mold; and the demolding mechanism is used for axially pulling the epoxy glass fiber reinforced plastic pipeline out of the core mold. The automatic production of the epoxy glass fiber reinforced plastic pipeline can be realized.

Description

Production line of epoxy glass fiber reinforced plastic pipeline

Technical Field

The invention relates to the field of epoxy glass fiber reinforced plastic pipeline production, in particular to a production line of an epoxy glass fiber reinforced plastic pipeline.

Background

When the epoxy glass fiber reinforced plastic pipeline is manufactured, yarns are wound on a core mold by a winding machine, the epoxy glass fiber reinforced plastic pipeline needs to be taken off from the core mold after the yarns are wound, and the taking-off process comprises two steps, namely, the glass fiber reinforced plastic pipeline is taken off from the thread matching position of the core mold, and then the epoxy glass fiber reinforced plastic pipeline is axially pulled out of the core mold.

When the traditional steel pipe is buckled, the traditional steel pipe is buckled by locking a clamp. Later, the epoxy glass fiber reinforced plastic pipeline appears, and the manufacturing process of the epoxy glass fiber reinforced plastic pipeline is that yarns and the like soaked by glue solution are wound on a core mould, and after the winding is finished, how to realize the purpose that the epoxy glass fiber reinforced plastic pipeline formed by winding is knocked off from a mould becomes a problem to be solved; but because of the epoxy glass steel pipe pipeline, it is not suitable for the clamp locking to break out.

In the drawing-out step of demoulding the epoxy glass fiber reinforced plastic pipeline, a cloth belt needs to be manually bolted to one end of the epoxy glass fiber reinforced plastic pipeline, the other end of the epoxy glass fiber reinforced plastic pipeline is bolted to a dragging mechanism, and the epoxy glass fiber reinforced plastic pipeline is pulled backwards to be demoulded. And current shedder is when following left and right directions switching position, needs the manual work to push away the strap to suitable position, and is inefficient. Therefore, a device suitable for automatic demoulding of the epoxy glass fiber reinforced plastic pipeline needs to be designed.

Disclosure of Invention

In view of the above-mentioned disadvantages of the prior art, the present invention provides a production line of epoxy glass fiber reinforced plastic pipeline, which is used to solve the problem of automatic manufacture of epoxy glass fiber reinforced plastic pipeline in the prior art.

In order to achieve the above objects and other related objects, the present invention provides a production line of epoxy glass fiber reinforced plastic pipeline, comprising:

the winding machine comprises a machine head driving mechanism, a core die and a machine tail pulling mechanism, wherein the machine head driving mechanism is matched with one end of the core die and drives the core die to rotate, the machine tail pulling mechanism is matched with the other end of the core die and can lift, the machine tail pulling mechanism can rotate and pull the core die in the axial direction, a fixing structure part of the machine tail pulling mechanism is clamped into the core die from the peripheral surface of the core die and locked, after the machine tail pulling mechanism and the core die are unlocked, the machine tail pulling mechanism rises, and the machine tail pulling mechanism is separated from the core die;

the thread shackle mechanism is used for disengaging the thread matching of the epoxy glass fiber reinforced plastic pipeline and the core mold;

and the demolding mechanism is used for axially pulling the epoxy glass fiber reinforced plastic pipeline out of the core mold.

Optionally, the tail pulling mechanism includes:

the central shaft is provided with one end capable of being connected with a core mold, the connecting end of the central shaft and the core mold is provided with a mounting groove, one notch of the mounting groove is arranged on the end surface of the central shaft, the other notch of the mounting groove is arranged on the side surface of the central shaft, the inner wall of the mounting groove is provided with taper along the axial direction, and the side, close to the core mold, of the mounting groove is a small-opening side;

the sliding sleeve is sleeved at the other end of the central shaft, the inner side of the sliding sleeve is in running fit with the central shaft, and the sliding sleeve and the central shaft are relatively fixed in the axial direction;

the sliding sleeve penetrates into the fixed sleeve, the outer side of the sliding sleeve is in key connection fit with the inner side of the fixed sleeve, the sliding sleeve can axially slide in the fixed sleeve in a reciprocating manner, and the fixed sleeve can be lifted by lifting driving;

a drive member capable of axially pulling the slip sleeve or central shaft.

Optionally, the sliding sleeve is mounted on the central shaft by at least one bearing.

Optionally, an outer flange protruding outward is arranged on the central shaft, an inner flange protruding inward is arranged on the sliding sleeve, and the central shaft is clamped in the sliding sleeve through the cooperation of the outer flange and the inner flange.

Optionally, the thread break-out mechanism comprises:

the driving telescopic arm is used for actively extending and retracting the arm,

the mounting seat is fixed on the driving telescopic arm, and the driving telescopic arm can drive the mounting seat to do reciprocating linear motion;

tight subassembly of cover, tight subassembly of cover includes flexible piece, guide post and locking driving piece, the flexible piece both ends are the stiff end just there is the difference in height at the flexible piece both ends, the flexible piece is walked around the guide post just is in the guide post downside forms the lantern ring, the lantern ring downwards the part or all expose in the mount pad, the output of locking driving piece is located the guide post with between the upper end of flexible piece, the locking driving piece can drive the flexible piece reduces the lantern ring, the flexible piece is reducing during the lantern ring, the flexible piece is in guide post department tightens.

Optionally, the locking driving member is a linear driving member, and the locking driving member can push or pull the flexible member;

the locking driving piece is matched with the flexible piece through two pin shafts, and the flexible piece can enter the space between the two pin shafts.

Optionally, the demolding mechanism includes:

the chassis is provided with a plurality of supporting plates,

the lower end of the vertical supporting piece is arranged on the chassis;

the cantilever is fixed at the upper end of the vertical support piece;

the device comprises a hard lantern ring and an offset driving piece, wherein the hard lantern ring is hung at the tail end of the cantilever and is rotatably connected with the cantilever, the hard lantern ring can be sleeved on an epoxy glass fiber reinforced plastic pipeline, and the offset driving piece can drive the hard lantern ring to offset in the axial direction;

and the traction group can pull the chassis to move in the axial direction of the epoxy glass steel pipeline.

Optionally, the vertical support is mounted on the chassis through a moving plate, the moving plate is slidably mounted on the chassis, and the moving plate can move in an axial direction perpendicular to the epoxy glass fiber reinforced plastic pipeline;

and a position adjusting group is arranged between the base plate and the moving plate and used for manually adjusting or automatically adjusting the displacement of the moving plate moving in the direction vertical to the axial direction of the epoxy glass fiber reinforced plastic pipeline.

Optionally, the position adjusting set comprises a rotary driving piece, a gear and a rack, the rotary driving piece is fixed on the moving plate, the rotary driving piece drives the gear to rotate, the rack is fixed on the chassis, and the gear is meshed with the rack.

Optionally, rollers are arranged on the chassis, the rollers can be matched with the guide rail, and the traction group can pull the chassis to slide on the guide rail.

As described above, the production line of epoxy glass fiber reinforced plastic pipes according to the present invention has at least the following advantageous effects:

the automatic thread shackle in the epoxy glass fiber reinforced plastic pipeline production process can be realized, the epoxy glass fiber reinforced plastic pipeline can be automatically pulled out of the core mold, meanwhile, the fixing structure part of the tail pulling mechanism is clamped into the core mold from the peripheral surface of the core mold and locked, after the locking is released, the pulling mechanism can be lifted and separated from the core mold, after the pulling mechanism is lifted, an action space is made for the demolding mechanism, and the cooperative work is realized.

Drawings

FIG. 1 is a schematic view of a production line for FRP pipes according to the present invention.

Fig. 2 shows a schematic view of the tail pulling mechanism of the present invention.

Fig. 3 shows a schematic forward view of the winding assembly and thread break mechanism of the present invention in cooperation.

Fig. 4 shows a schematic view of the left side of the mechanism of the thread shackle of the present invention.

Fig. 5 shows a top down schematic view of the mechanism of the thread shackle of the present invention.

Fig. 6 is a perspective view of the mold-releasing mechanism of the present invention.

Figure 7 shows a schematic view of the ejector mechanism and guide rail cooperation of the present invention.

Fig. 8 shows a schematic view of a traction group according to the invention.

Element number description: lifting driving piece b0, central shaft b1, sliding sleeve b2, fixing sleeve b3, driving piece b4, bearing b21, key b41, spacer b22, nut b23, step structure b11, mounting groove b12, outer flange b13, inner flange b24, end cover b25, bolt b42, driving telescopic arm c1, mounting seat c2, clamping plate c21, tightening assembly c21, flexible piece c21, guide column c21, locking driving piece c21, pin shaft c331, collar c311, epoxy glass steel pipe c21, core mold c21, fixing arm c21, movable arm c21, telescopic driving piece c21, winding driving piece c21, chassis a21, upright supporting piece a21, cantilever a21, hard collar a21, offset driving piece a21, traction group a21, movable arm a21, telescopic driving piece c21, winding driving piece c21, moving plate a21, vertical supporting piece a21, cantilever a21, lower limit driving piece a21 a, sliding rail a21, upper limit driving piece 36211 a, roller 21 a, and upper limit driving piece 21 a 21.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

Please refer to fig. 1 to 8. It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure, and are not used for limiting the conditions of the present disclosure, so as to be understood and read by those skilled in the art, and therefore, the present disclosure is not limited to the conditions of the present disclosure, and any modifications of the structures, the changes of the ratios, or the adjustments of the sizes, should fall within the scope of the present disclosure without affecting the functions and the achievable purposes of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

The following examples are for illustrative purposes only. The various embodiments may be combined, and are not limited to what is presented in the following single embodiment.

Referring to fig. 1, the present invention provides an embodiment of a production line of epoxy glass fiber reinforced plastic pipeline, including: the winding machine comprises a machine head driving mechanism, a core die and a machine tail pulling mechanism b, the machine head driving mechanism is matched with one end of the core die and drives the core die to rotate, the machine tail pulling mechanism b is matched with the other end of the core die, the machine tail pulling mechanism b can lift, the specific machine tail pulling mechanism b can be driven to lift by a lifting driving piece b0, the machine tail pulling mechanism b is fixed at the lower end of a lifting driving piece b0, the machine tail pulling mechanism b can rotate and pull the core die in the axial direction, and a fixing structure part of the machine tail pulling mechanism b is clamped into the core die from the peripheral surface of the core die and is locked; the thread shackle mechanism c is used for disengaging the thread matching of the epoxy glass fiber reinforced plastic pipeline and the core mold; the demolding mechanism a is used for axially pulling the epoxy glass fiber reinforced plastic pipeline out of the core mold.

The automatic thread shackle in the epoxy glass fiber reinforced plastic pipeline production process can be realized, the epoxy glass fiber reinforced plastic pipeline can be automatically pulled out of a core mold, meanwhile, the fixing structure part of the tail pulling mechanism b is clamped into the core mold from the peripheral surface of the core mold and locked, after the locking is released, the pulling mechanism can be lifted and separated from the core mold, after the pulling mechanism is lifted, an action space is left for the demolding mechanism a, and the cooperative operation is realized.

Referring to fig. 2, an embodiment of a tail pulling mechanism b includes: a central shaft b1, a sliding sleeve b2, a fixed sleeve b3 and a driving element b4, wherein one end of the central shaft b1 can be connected with a core mould; the sliding sleeve b2 is sleeved at the other end of the central shaft b1, the inner side of the sliding sleeve b2 is in rotating fit with the central shaft b1, the sliding sleeve b2 and the central shaft b1 are relatively fixed in the axial direction, and specifically, the sliding sleeve b2 can be mounted on the central shaft b1 through at least one bearing b 21; the sliding sleeve b2 penetrates into the fixed sleeve b3, the outer side of the sliding sleeve b2 is connected and matched with the inner side of the fixed sleeve b3 through a key b41, and the sliding sleeve b2 can axially slide back and forth in the fixed sleeve b 3; the driver b4 can pull the sliding sleeve b2 or the central shaft b1 axially. Center pin b1 and pipe connection, center pin b1 and sliding sleeve b 2's normal running fit, make the pipeline when rotating, center pin b1 can follow the rotation, because sliding sleeve b2 and fixed cover b3 normal running fit, make driving piece b4 can stimulate center pin b1 and sliding sleeve b2 endwise slip, thereby realize that the pipeline can also be strained in the pivoted, effectively solved and carried out the tail among the prior art and drawn the problem that the risk is high. Specifically, the driving member b4 can be selected to be an air cylinder, a hydraulic cylinder, a linear motor or the like.

In this embodiment, referring to fig. 2, in an embodiment of the tail pulling mechanism b, there is more than one bearing b21, and each bearing b21 is axially separated by a spacer b 22. The axial displacement of the bearing b21 on the central shaft b1 can be effectively limited by separating each bearing b21 by a spacer b22, so that the reliability of the device is improved, and optionally, the end of the central shaft b1, which is sleeved with one end of the sliding sleeve b2, is sleeved with a nut b23, and the nut b23 is used for limiting the axial displacement of the bearing b 21. The nut b23 can limit the axial displacement of the bearing b21, for more reliability, the central shaft b1 may be set to be a step structure b11, so that the nut b23 limits the axial displacement of the bearing b21 in one direction, and the step structure b11 may limit the axial displacement of the bearing b21 in another direction, that is, a clamping structure is formed, so that the axial displacement of the bearing b21 can be better limited, and optionally, the bearing b21 is a tapered roller bearing b 21. The tapered roller bearing b21 can rotate and can bear a large axial pressure.

In this embodiment, referring to fig. 2, in an embodiment of a tail pulling mechanism b, a central shaft b1 and a core mold connecting end are provided with a mounting groove b12, one notch of the mounting groove b12 is on an end face of the central shaft b1, the other notch of the mounting groove b12 is on a side face of the central shaft b1, an inner wall of the mounting groove b12 is tapered in an axial direction, and a side of the mounting groove b12 close to the core mold is a small-opening side. The installation groove b12 is provided with taper along the axial direction, so that the pipeline mould is not easy to slip when being tensioned, and the pipeline mould is more and more tensioned. When the pipe die is fixed, the end connecting part of the pipe die is embedded into the mounting groove b12 from the side of the central shaft b1, the side is locked by the bolt, when the pulling device and the core die are required to be separated, the bolt can be loosened manually, the mounting groove b12 is arranged downwards, and then the tail pulling mechanism b of the elevator is separated.

In this embodiment, referring to fig. 2, in an embodiment of a tail pulling mechanism b, an outward protruding outer flange b13 is provided on the central shaft b1, an inward protruding inner flange b24 is provided on the sliding sleeve b2, and the central shaft b1 is clamped in the sliding sleeve b2 through the cooperation of the outer flange b13 and the inner flange b 24. Through the matching of the outer flange b13 and the inner flange b24, when the driving piece b4 pulls the sliding sleeve b2 or the central shaft b1, the axial displacement of the sliding sleeve b2 and the central shaft b1 can increase the stress of the end face due to the existence of the outer flange b13 and the inner flange b24, so that the sliding sleeve is not easy to slip off from the central shaft b 1.

In this embodiment, referring to fig. 2, in an embodiment of a tail pulling mechanism b, an end cap b25 is disposed on one side of the sliding sleeve b2 close to the driving member b4, the end cap b25 is fixedly connected to the sliding sleeve b2, and the driving member b4 is fixedly connected to or hinged to the end cap b 25. When the driving piece b4 is hinged with the end cover b25, the driving piece b4 can be effectively protected, and due to design and assembly errors, the hinge structure can achieve adaptation, and damage to the driving piece b4 or other components caused by rigid connection is avoided. In fig. 1, the output end of the driver b4 and the end cap b25 are connected by a latch b 42.

Referring to fig. 3 to 5, an embodiment of a thread break mechanism c according to the present invention includes: the driving telescopic arm c1, the mounting seat c2 and the tightening assembly c3, wherein the mounting seat c2 is fixed on the driving telescopic arm c1, and the driving telescopic arm c1 can drive the mounting seat c2 to do reciprocating linear motion; the tightening assembly c3 comprises a flexible member c31, a guide post c32 and a locking driving member c33, both ends of the flexible member c31 are fixed ends, and a height difference exists between both ends of the flexible member c31, the flexible member c31 bypasses the guide post c32 and forms a loop c311 on the lower side of the guide post c32, the loop c311 is partially or completely exposed out of the mounting seat c2, the output end of the locking driving member c33 is located between the guide post c32 and the upper end of the flexible member c31, the locking driving member c33 can drive the flexible member c31 to reduce the loop c311, and when the flexible member c31 reduces the loop c311, the flexible member c31 is tightened at the guide post c 32. Because the epoxy glass reinforced plastic pipeline c4 is wound and molded and then sleeved on the core mould c5, and part of the core mould c5 and the epoxy glass reinforced plastic pipeline c4 are in threaded fit, active expansion can be realized through the arrangement of the active expansion arm c1, when the epoxy glass reinforced plastic pipeline c4 needs to be unloaded, the collar c311 is controlled to move upwards in the axial direction of the core mould c5, when the collar c311 moves to the position of the epoxy glass reinforced plastic pipeline c4, the locking driving part c33 drives the flexible part c31 to reduce the collar c311, the collar c311 locks the epoxy glass reinforced plastic pipeline c4, at this time, the core mould c5 continues to rotate, the rotational displacement of the epoxy glass reinforced plastic is limited to be incapable of rotating, at this time, the threaded part of the epoxy glass reinforced plastic pipeline c4 and the core mould c5 in matching is separated, and the problem that the epoxy glass reinforced plastic pipeline c.

Referring to fig. 3 to 5, in an embodiment of a thread break-out mechanism c, a locking driving member c33 and a flexible member c31 are matched, wherein the locking driving member c33 is a linear driving member, and the locking driving member c33 can push or pull the flexible member c 31. The locking driving piece c33 can be a linear motor, an air cylinder or a hydraulic cylinder, wherein the hydraulic cylinder is preferred, and the hydraulic cylinder can have larger pressure bearing capacity, so that a better locking effect is achieved. Specifically, optionally, the locking driving element is matched with the flexible element c31 through two pin shafts c331, and the flexible element c31 can enter into the space between the two pin shafts c 331. In order to achieve higher reliability, the mounting seat c2 may be set as two clamping plates c21 arranged at intervals, the two linear drivers are located between the two clamping plates c21, the two pin shafts c331 are fixed at the output ends of the linear drivers, and the two pin shafts c331 may be perpendicular to the plate surface of the clamping plate c21, so that the positions around the flexible member c31 are limited, and the flexible member c31 is not easy to slip. Optionally, both ends of the locking driving member c33 are hinged. The hinge structure can enable the locking driving piece c33 to have higher adaptability, when the output end of the locking driving piece c33 moves linearly, due to the connection of the tail end and the flexible piece c31, the force stress of the locking driving piece c33 in the axial direction is uneven, shearing stress can occur, and the locking driving piece c33 can deflect due to the hinge arrangement, so that the service life of the locking driving piece c33 is prolonged.

In another embodiment of the locking actuator c33 and the flexible element c31, the locking actuator c33 is a rotary actuator, and the flexible element c31 is wound around the output end of the rotary actuator. That is, the flexible piece c31 is pulled or released through the rotation movement, so that the diameter of the ferrule is reduced or enlarged, and the epoxy glass fiber reinforced plastic pipeline c4 is locked and released.

Referring to fig. 3 to 5, an embodiment of a thread break mechanism c, an embodiment of a flexible member c31, the flexible member c31 is a band structure. The locking device has a larger contact area, and has larger friction force with the epoxy glass fiber reinforced plastic pipeline c4, so that the locking device has a better locking and rotation stopping effect on the epoxy glass fiber reinforced plastic.

Referring to fig. 3 to 5, in an embodiment of the active telescopic arm c1, the active telescopic arm c1 includes a fixed arm c11, a movable arm c12 and a telescopic driving element c13, the telescopic driving element c13 is a linear driving element, one end of the telescopic driving element c13 is hinged to the fixed arm c11, and the other end of the telescopic driving element c13 is hinged to the movable arm c 12.

In another embodiment of the active telescopic arm c1, the active telescopic arm c1 comprises a sliding table and a movable arm c12, and the movable arm c12 is mounted on the sliding table.

Referring to fig. 3 to 5, the winding mechanism includes a winding driving element c6 and a core mold c5, the winding driving element c6 can drive the core mold c5 to rotate, the epoxy glass fiber reinforced plastic pipeline c4 is sleeved on the core mold c5, and the collar c311 is sleeved on the core mold c 5.

Referring to fig. 3 to 5, optionally, the winding mechanism has a plurality of core dies c5 arranged side by side, and one core die c5 corresponds to one mechanism suitable for screwing off the epoxy glass fiber reinforced plastic pipeline c 4. The embodiment can realize the simultaneous thread unscrewing operation on a plurality of epoxy glass steel pipelines c4, and improves the working efficiency. The plurality of core molds c5 arranged in parallel may be rotated by a motor alone, or may be rotated by driving the plurality of core molds c5 simultaneously by a single motor and a chain wheel.

Referring to fig. 6 to 8, an embodiment of a demolding mechanism a according to the present invention includes: a bottom plate a1, an upright support piece a2, a cantilever a4, a hard collar a5, a deviation drive piece a6 and a traction group a7, wherein the lower end of the upright support piece a2 is mounted on the bottom plate a 1; the cantilever a4 is fixed at the upper end of the upright support a 2; the hard lantern ring a5 is hung at the tail end of the cantilever a4, the hard lantern ring a5 is rotatably connected with the cantilever a4, the hard lantern ring a5 can be a steel ring structure, the hard lantern ring a5 can be sleeved on an epoxy glass fiber reinforced plastic pipeline, and the offset driving piece a6 can drive the hard lantern ring a5 to offset in the axial direction; the traction group a7 can pull the chassis a1 to move in the axial direction of the epoxy glass steel pipeline. The hard lantern ring a5 is driven to deflect by the deflection driving piece a6 to realize tensioning of the epoxy glass fiber reinforced plastic pipeline, then the chassis a1 is pulled by the pulling group a7 to pull the chassis a1 along the axial direction of the epoxy glass fiber reinforced plastic pipeline, so that the chassis a1 is separated from a core mold, and the problem of low demolding efficiency in the prior art is effectively solved.

In the embodiment of the traction group a7, the traction group a7 can be implemented in various ways, such as by pulling through a structure similar to a power train, or by pulling through a hydraulic cylinder, or by pulling through a traction group a7 shown in fig. 3, the traction group a7 includes a pulling driving element a71, a sprocket a72 and a chain, the pulling driving element a71 is a rotating driving element, such as an electric motor or a hydraulic motor, the pulling driving element a71 drives the sprocket a72 to rotate, the chain is wound around the sprocket a72, the chain is further fixed with the chassis a1, when the sprocket a72 rotates, the chain pulls the chassis a1 to move synchronously, so as to implement the pulling action of the hard collar a5, the sprocket a72 and the chain can be provided with two groups, so that the force can be dispersed, the service life of the sprocket a72 chain is prolonged, and the force applied to the chassis a1 is.

Referring to fig. 6 to 8, in an embodiment of the offset driver a6, the offset driver a6 is a linear driver, which may be a cylinder, a linear motor, a hydraulic cylinder, or the like, and one end of the linear driver is hinged to the suspension arm a4 and the other end of the linear driver is hinged to the hard collar a 5. When the device is used, the hard lantern ring a5 is sleeved on the epoxy glass fiber reinforced plastic pipeline, then the linear driving piece drives the hard lantern ring a5 to shift, when the hard lantern ring a5 is pulled, the hard lantern ring a5 can be effectively locked with the epoxy glass fiber reinforced plastic pipeline, the epoxy glass fiber reinforced plastic pipeline can move together with the hard lantern ring a5, the epoxy glass fiber reinforced plastic pipeline is pulled out of a core mold, two ends of the linear driving piece are hinged structures, and when the hard lantern ring a5 is driven to shift, the device can also correspondingly generate deflection so as to realize posture adaptation.

Referring to fig. 6 to 8, the hinge position of the linear actuator and the hinge end of the cantilever a4 is adjustable along the length of the cantilever a 4. The hinged position is adjustable, so that the linear driving piece can be adapted when being installed, and when the angle of the rigid lantern ring a5 offset driven by the linear driving piece needs to be adjusted, the adjustment can be directly realized by adjusting the hinged position without adjusting a background control program, and the adjustment is more convenient and faster. The mounting structure of this embodiment can be through setting up a bar hole in the length direction of cantilever a4, and the linear driving piece can be through bolt locking on the bar hole, when needs adjust, unscrews the bolt then the position of adjusting linear driving piece can realize.

Referring to fig. 6 to 8, the fixing position of the cantilever a4 on the upright support a2 is adjustable in the length direction of the cantilever a 4. When the epoxy glass fiber reinforced plastic pipelines with different lengths need to be separated from the core mould, the distances drawn by the drawing group a7 in the axial direction are different, and if the adjustment of the stroke of the drawing group a7 is troublesome, the position of the cantilever a4 fixed on the vertical support piece a2 can be directly adjusted, so that the epoxy glass fiber reinforced plastic pipelines can be adapted to different lengths.

In one embodiment of upright support a2, upright support a2 is secured to chassis a 1.

Referring to fig. 6 to 8, in another embodiment of the upright supporting member a2, the upright supporting member a2 is mounted on the chassis a1 by a moving plate a21, the moving plate a21 is slidably mounted on the chassis a1, and the moving plate a21 can move in a direction perpendicular to the axial direction of the epoxy glass fiber reinforced plastic pipeline; a position adjusting group is arranged between the chassis a1 and the moving plate a21, and is used for manually adjusting or automatically adjusting the displacement of the moving plate a21 moving in the direction perpendicular to the axial direction of the epoxy glass fiber reinforced plastic pipeline. Optionally, the position adjustment set comprises a rotary driving element a221, a gear and a rack a222, the rotary driving element a221 is fixed on the moving plate a21, the rotary driving element a221 drives the gear to rotate, the rack a222 is fixed on the chassis a1, and the gear is meshed with the rack a 222. The moving plate a21 can move in the direction perpendicular to the axial direction of the epoxy glass fiber reinforced plastic pipeline, so that the hard lantern ring a5 can be better aligned with the epoxy glass fiber reinforced plastic pipeline, after alignment, the whole demoulding mechanism a is close to the epoxy glass fiber reinforced plastic pipeline in the axial direction, and the hard lantern ring a5 is sleeved on the epoxy glass fiber reinforced plastic pipeline. Meanwhile, the transmission of the gear and the rack a222 is reliable and accurate, so that the gear and the rack a can be aligned better, and the rotary driving part a221 can be specifically an electric motor or a hydraulic motor and the like.

Referring to fig. 6 to 8, a linear guide structure is arranged between the moving plate a21 and the chassis a1, and the linear guide structure is parallel to the rack a 222. The linear guide structure can be a slide rail a211, and the moving plate a21 is guided by the matching of the concave structure and the convex structure with the slide rail a 211.

Referring to fig. 6 to 8, a roller a11 is disposed on the chassis a1, the roller a11 can be engaged with a guide rail a12, and the traction group a7 can pull the chassis a1 to slide on the guide rail a 12. The roller a11 can effectively reduce friction force, so that the chassis a1 can be pulled more easily. Meanwhile, the combination of the roller a11 and the guide rail a12 can play a role in guiding the chassis a 1.

Referring to fig. 6 to 8, a limiting structure is disposed on the chassis a1, the limiting structure is embedded inside the guide rail a12, and the limiting structure can limit the vertical displacement of the chassis a1 on the guide rail a 12. In fig. 2, the cross section of the guide rail a12 is C-shaped, and through the arrangement of the limiting structure, the chassis a1 is limited by the guide rail a12 in the displacement in the left-right direction, and is also limited in the displacement in the height direction, so that the chassis a1 is prevented from jumping, and the stability of the fit between the hard lantern ring a5 and the epoxy glass fiber reinforced plastic pipeline is prevented from being influenced by the jumping. In fig. 2, the limiting structure comprises an upper limiting block a13 and a lower limiting block a14, the upper limiting block a13 and the lower limiting block a14 are detachably fixed at the lower end of the chassis a1, the upper limiting block a13 is in sliding fit with the lower surface of the upper end of the guide rail a12, the lower limiting block a14 is in sliding fit with the upper surface of the lower end of the guide rail a12, and the detachable structure is arranged, so that the upper limiting block a13 and the lower limiting block a14 can be conveniently installed and replaced.

In summary, the present invention can realize automatic thread unscrewing and automatic pulling out of the epoxy glass steel pipe from the core mold in the epoxy glass steel pipe production process, and simultaneously, the fixing structure part of the tail pulling mechanism b is clamped into the core mold from the peripheral surface of the core mold and locked, so that after the locking is released, namely the pulling mechanism can be lifted and separated from the core mold, and after the pulling mechanism is lifted, an action space is made for the demoulding mechanism a, and the cooperative work is realized. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A production line of epoxy glass steel pipeline is characterized by comprising:

the thread shackle mechanism is used for matching and separating threads of the epoxy glass fiber reinforced plastic pipeline and the core mold, and comprises a tightening component which can tighten the epoxy glass fiber reinforced plastic pipeline;

and the demolding mechanism comprises a traction group, and the traction group drives the demolding mechanism to axially pull the epoxy glass fiber reinforced plastic pipeline out of the core mold.

2. The production line of epoxy glass fiber reinforced plastic pipes of claim 1, characterized in that: the tail pulling mechanism comprises:

a drive member capable of axially pulling the slip sleeve or central shaft.

3. The production line of epoxy glass fiber reinforced plastic pipes of claim 2, characterized in that: the sliding sleeve is mounted on the central shaft by at least one bearing.

4. The production line of epoxy glass fiber reinforced plastic pipes of claim 2, characterized in that: the central shaft is provided with an outer flange protruding outwards, an inner flange protruding inwards is arranged on the sliding sleeve, and the central shaft is clamped in the sliding sleeve through the matching of the outer flange and the inner flange.

5. The production line of epoxy glass fiber reinforced plastic pipes of claim 1, characterized in that: the thread break-out mechanism comprises:

the tight subassembly of cover includes flexible piece, guide post and locking driving piece, the flexible piece both ends are the stiff end just there is the difference in height at the flexible piece both ends, the flexible piece is walked around the guide post just is in the guide post downside forms the lantern ring, the lantern ring downwards part or whole expose in the mount pad, the output of locking driving piece is located the guide post with between the upper end of flexible piece, the locking driving piece can drive the flexible piece reduces the lantern ring, the flexible piece is reducing during the lantern ring, the flexible piece is in guide post department is tightened.

6. The production line of epoxy glass fiber reinforced plastic pipeline according to claim 5, characterized in that: the locking driving piece is a linear driving piece and can push or pull the flexible piece;

7. The production line of epoxy glass fiber reinforced plastic pipes of claim 1, characterized in that: the demolding mechanism includes:

the chassis is provided with a plurality of supporting plates,

the lower end of the vertical supporting piece is arranged on the chassis;

the cantilever is fixed at the upper end of the vertical support piece;

the traction group can pull the chassis to move in the axial direction of the epoxy glass steel pipeline.

8. The production line of epoxy glass fiber reinforced plastic pipes of claim 7, wherein: the vertical support piece is installed on the base plate through a moving plate, the moving plate is installed on the base plate in a sliding mode, and the moving plate can move in the axial direction perpendicular to the epoxy glass fiber reinforced plastic pipeline;

9. The production line of epoxy glass fiber reinforced plastic pipes of claim 8, wherein: the position adjusting set comprises a rotating driving piece, a gear and a rack, the rotating driving piece is fixed on the moving plate, the rotating driving piece drives the gear to rotate, the rack is fixed on the chassis, and the gear is meshed with the rack.

10. The production line of epoxy glass fiber reinforced plastic pipes of claim 7, wherein: the chassis is provided with idler wheels, the idler wheels can be matched with the guide rails, and the traction group can pull the chassis to slide on the guide rails.