CN219466989U - Glass fiber reinforced plastic screen pipe processing device - Google Patents

Abstract

The utility model belongs to the technical field of oil and gas equipment, and particularly relates to a glass fiber reinforced plastic screen pipe processing device. The glass fiber reinforced plastic screen pipe processing device is used for winding glass fiber reinforced plastic fibers and comprises a cylindrical die, wherein the cylindrical die comprises a plurality of die strips which are uniformly distributed along the circumferential direction, the die strips can move inwards along the radial direction of the cylindrical die, and a plurality of teeth are uniformly arranged on the outer side of the die strips. The utility model can solve the problem that the notch position of the existing glass fiber reinforced plastic sieve tube causes damage to the main body of the pipeline and the mechanical property of the annular glass fiber reinforced plastic is greatly reduced.

Description

Glass fiber reinforced plastic screen pipe processing device

Technical Field

The utility model belongs to the technical field of oil and gas equipment, and particularly relates to a glass fiber reinforced plastic screen pipe processing device.

Background

Glass Fiber Reinforced Plastics (FRP), also known as GFRP, fiber reinforced plastics, generally refer to reinforced plastics using glass fibers to reinforce unsaturated polyester, epoxy resin and phenolic resin matrices, with glass fibers or products thereof as reinforcing materials, known as fiberglass reinforced plastics, or as fiberglass reinforced plastics. The resin types used are classified into polyester glass fiber reinforced plastic, epoxy glass fiber reinforced plastic, phenolic glass fiber reinforced plastic, and the like. The glass fiber reinforced plastic is light and hard, is non-conductive, has stable performance and high mechanical strength, is corrosion-resistant, and can replace steel to manufacture machine parts, automobile and ship shells and the like.

In the field of oil and gas equipment, the underground high-temperature high-sulfur environment is easy to cause the underground metal pipeline to generate quick electrochemical corrosion, so that special corrosion-resistant steel materials are required to be selected. The associated corrosion resistant down-hole string is costly and, under certain circumstances, the problem of electrochemical corrosion cannot be completely avoided. Therefore, the glass fiber reinforced plastic material is selected by the relevant scholars as the underground sieve tube, and a good anti-corrosion effect is achieved in the application process.

Patent CN108818727a discloses a method and a device for accurately punching a glass fiber reinforced plastic sieve tube, a guide rail is arranged on a frame, a rail trolley is arranged on the guide rail, a drilling machine is arranged on the rail trolley, the rail trolley is connected with a locking mechanism, and the locking mechanism can enable the rail trolley to be relatively fixed with the frame; one side of the track is provided with an index plate and a pipe pushing mechanism, a clamp capable of clamping one end of the pipe is arranged in the index plate, and the index plate can drive the clamp to rotate and control the rotation angle of the clamp; the pipe pushing mechanism is provided with a telescopic arm, the telescopic arm is used for fixing the other end of the pipe to be processed, and the drill bit of the drilling machine is positioned above the corresponding position of the pipe to be processed. The device is characterized in that the two ends of the pipe fitting to be processed are stably fixed, the locking mechanism controls the hole distance between two adjacent holes in each row of sieve holes and the position of the first sieve hole, so that the accurate positioning of each sieve hole is realized, the accurate drilling is realized, the uniformity of the distribution of the sieve holes is ensured, and the processing quality of the sieve tube is improved. The scheme is mainly that the drilling of the glass reinforced plastic pipe is accurately positioned, and the drilling of the specific position is realized through the cooperation of the track trolley and the locking mechanism.

It is known that the glass fiber reinforced plastic sieve tube is manufactured by mainly forming the integral glass fiber reinforced plastic tube and then cutting the tube wall to form dense small holes. However, the glass fiber reinforced plastic fibers of the glass fiber reinforced plastic pipe are bonded together through resin, the shearing force cannot be born between fiber layers, and damage to the pipe main body at the incision position is difficult to avoid by the mechanical cutting method in the existing sieve tube preparation. On the other hand, the glass fiber reinforced plastic pipeline is formed by adopting a fiber winding forming mode, the glass fiber reinforced plastic is mainly subjected to tensile stress, and after a local area is cut and broken, the integrity of the annular glass fiber reinforced plastic is destroyed, so that the mechanical property can be greatly reduced.

Based on the technical background, the device and the method for adapting to the underground glass fiber reinforced plastic screen pipe processing technology have practical significance and application prospect, and the innovation and research and development of the related technology have great application value.

Disclosure of Invention

Aiming at the technical problems, the utility model aims to provide a glass fiber reinforced plastic screen pipe processing device which can solve the problems that the notch position of the existing glass fiber reinforced plastic screen pipe causes damage to the pipe main body and the mechanical properties of the annular glass fiber reinforced plastic fiber are greatly reduced.

According to the utility model, the glass fiber reinforced plastic screen pipe processing device is used for winding glass fiber reinforced plastic fibers and comprises a cylindrical die, wherein the cylindrical die comprises a plurality of die strips which are uniformly distributed along the circumferential direction, the die strips can move inwards along the radial direction of the cylindrical die, and a plurality of teeth are uniformly arranged on the outer sides of the die strips.

In a preferred embodiment, the die strip comprises a tooth strip and a flat strip, wherein the inner width of the tooth strip is smaller than the outer width, the inner width of the flat strip is larger than or equal to the outer width, and the tooth strip and the flat strip are alternately distributed along the circumferential direction.

In a preferred embodiment, the angle between the two sides of the dental strip is in the range of 1-30 degrees.

In a preferred embodiment, support cylinders are arranged on the inner sides of two ends of the cylindrical die, and the outer walls of the support cylinders are abutted with the inner diameter of the cylindrical die.

In a preferred embodiment, joints are sleeved at two ends of the outer side of the cylindrical die, the teeth are positioned between the two joints, a plurality of protrusions are arranged on the outer surface of the joints, and the protrusions can strengthen the connection between the glass fiber reinforced plastic fibers and the joints.

In a preferred embodiment, the protrusions are provided in any one of a ring, a spiral or a dot matrix type.

In a preferred embodiment, the joint comprises a large diameter portion, a small diameter portion and a connecting portion which are sequentially arranged, wherein the outer diameters of the connecting portion and the large diameter portion are larger than the outer diameter of the small diameter portion, and the large diameter portion is close to the middle of the cylinder die relative to the small diameter portion.

In a preferred embodiment, grooves are provided lengthwise on the inside of the mould bars,

the glass fiber reinforced plastic screen pipe processing device further comprises a demolding rod, wherein the demolding rod comprises a rod body and a plurality of supporting arms arranged along the circumferential direction of the rod body, the plane formed by each supporting arm is perpendicular to the central axis of the rod body, and wedge-shaped blocks used for being matched with the grooves are arranged at the end parts of the supporting arms.

In a preferred embodiment, the teeth are provided in the shape of a cylinder or cone, and the teeth are fixedly connected with the mould strip by means of screw connection or expansion connection.

In a preferred embodiment, the glass fiber reinforced plastic screen pipe processing device further comprises an outer die, wherein the outer die is arranged outside the glass fiber reinforced plastic fiber formed by winding.

Compared with the prior art, the advantages of the application are as follows.

According to the utility model, the plurality of teeth are arranged on the outer side of the cylinder mould, and the glass fiber reinforced plastic fibers are wound around the teeth in the winding process, so that the continuity of the glass fiber reinforced plastic fibers is ensured while the sieve pores are reserved, the teeth can be conveniently and locally wound and reinforced, and the strength of the whole sieve tube is higher.

The cylindrical die comprises the tooth strips and the flat strips which are alternately arranged in the circumferential direction, when the cylindrical die is used for demolding, the flat strips are moved inwards along the radial direction of the cylindrical die and then are pulled out along the axial direction, and then the tooth strips are pulled out according to the same method, so that the cylindrical die is convenient for demolding and can be used for demolding processing of a long screen pipe.

In addition, the glass fiber reinforced plastic sieve tube and the joint are integrally processed and molded, so that the sieve tube is convenient to connect and high in joint strength.

Drawings

The present utility model will be described below with reference to the accompanying drawings.

FIG. 1 shows a schematic view of one embodiment of a glass fiber reinforced plastic screen processing apparatus according to the present utility model;

FIG. 2 shows a schematic view of the upper half of one embodiment of a glass fiber reinforced plastic screen processing apparatus in accordance with the present utility model;

FIG. 3 shows a schematic cross-sectional view of the portion A-A of FIGS. 1 and 2;

FIG. 4 shows a schematic cross-sectional view of the portion B-B of FIGS. 1 and 2;

FIG. 5 shows a schematic view of one embodiment of a stripper bar according to the present utility model;

FIG. 6 shows a schematic drawing of the ejector pin ejector principle;

figure 7 shows a schematic view of an embodiment of an outer mould tool according to the utility model.

In the figure:

1. a die strip; 11. a dental strip; 12. a flat strip; 13. a groove;

2. teeth;

3. a support cylinder;

4. a joint; 41. a protrusion; 42. a large diameter portion; 43. a small diameter portion; 44. a connection part;

5. a stripper rod; 51. a rod body; 52. a support arm; 53. wedge blocks;

6. an outer mold; 61. a tooth hole;

10. a cylindrical mold;

100. glass fiber reinforced plastic screen pipe processingequipment.

In this application, all of the figures are schematic drawings which are intended to illustrate the principles of the utility model and are not to scale.

Detailed Description

The utility model is described below with reference to the accompanying drawings.

The directional terms or qualifiers "upper", "lower", "front", "rear", "left", "right", and the like used in the present application are used with respect to the drawings to which reference is made. The directional term or qualifier "axial" as used herein refers to the direction that the central axis of the glass fiber reinforced plastic screen processing device 100 refers to, and "radial" refers to the direction that perpendicularly intersects the central axis of the glass fiber reinforced plastic screen processing device 100. The directional term or qualifier used herein refers to a direction that is closer to the central axis of the glass fiber reinforced plastic screen processing apparatus 100 and to an "outer" direction that is farther from the central axis of the glass fiber reinforced plastic screen processing apparatus 100. They are not intended to limit the absolute position of the parts involved, but may vary according to the specific circumstances.

Fig. 1 shows the structure of a glass fiber reinforced plastic screen processing apparatus 100 according to the present utility model. In this embodiment, the upper and lower parts of the glass fiber reinforced plastic screen tube processing device 100 are similar in structure, and the other parts are vertically symmetrical structures except that two connectors 4 arranged at two ends are respectively a male connector and a female connector. Accordingly, for clarity of illustration, fig. 2 shows the structure of the upper half of the glass fiber reinforced plastic screen processing apparatus 100 of the present utility model.

Embodiment one:

as shown in fig. 1 and 2, the glass fiber reinforced plastic screen processing apparatus 100 includes a cylindrical mold 10, and the cylindrical mold 10 includes a plurality of mold bars 1 uniformly distributed in the circumferential direction. The mold bars 1 are arranged in a long strip shape, and after the plurality of mold bars 1 are circumferentially arranged to form the cylindrical mold 10, the length of the mold bars 1 is the length of the cylindrical mold 10.

The die bar 1 is movable inward in the radial direction of the cylindrical die 10, and a plurality of teeth 2 are uniformly provided on the outer side of the die bar 1.

When the glass fiber reinforced plastic sieve tube is manufactured, glass fiber reinforced plastic fibers are wound on the cylindrical die 10 provided with the teeth 2 in a wet winding mode, and the teeth 2 are avoided in the winding process, so that sieve pores are formed in the winding process, and the continuity of the glass fiber reinforced plastic fibers is ensured. After the glass fiber reinforced plastic screen pipe is formed, the mold strip 1 is moved inwards along the radial direction of the cylinder mold 10, so that the mold strip 1 is separated from the formed glass fiber reinforced plastic screen pipe, and simultaneously the teeth 2 on the mold strip 1 are separated from the formed glass fiber reinforced plastic screen pipe along the radial direction. Finally, the mould strip 1 is axially pulled out of the formed glass fiber reinforced plastic sieve tube, and demoulding is completed.

Specifically, the die strip 1 includes a dental strip 11 and a flat strip 12. The inner width of the dental strip 11 is smaller than the outer width, the inner width of the flat strip 12 is equal to or larger than the outer width, and the dental strips 11 and the flat strips 12 are alternately distributed along the circumferential direction.

Since the inner width of the flat bar 12 is equal to or greater than the outer width, the flat bar 12 is not hindered from moving radially inward. In the demolding process, firstly, the flat strips 12 are moved inwards in the radial direction, after being separated from the molded glass fiber reinforced plastic sieve tube, the flat strips 12 are pulled out in the axial direction, then, the tooth strips 11 are moved inwards in the radial direction, separated from the molded glass fiber reinforced plastic sieve tube, and then, the tooth strips 11 are pulled out in the axial direction, so that the demolding is completed.

Preferably, as shown in fig. 4, in the present embodiment, the width of the inside of the dental strip 11 is smaller than the width of the outside, and the included angle between the two sides of the dental strip 11 is in the range of 1 to 30 degrees. The inner width of the flat bar 12 is equal to the outer width, i.e. the two sides of the flat bar 12 are parallel to each other. The strips 11 and 12 are alternately arranged in the circumferential direction and enclose the cylindrical mold 10 according to the present utility model.

The teeth 2 may be distributed on the outer walls of the strips 11 and/or the strips 12, and the person skilled in the art can adapt the distribution of the teeth 2 according to the utility model in connection with the actual situation, which variations are within the scope of the utility model.

As shown in fig. 2 and 4, the teeth 2 are uniformly arranged on the outer wall of the dental strip 11 in the axial direction. The teeth 2 may be provided in a cylindrical shape or a conical shape, and in this embodiment, the teeth 2 are provided in a cylindrical shape, and the central axis of the teeth 2 perpendicularly intersects with the central axis of the glass fiber reinforced plastic screen processing device 100. A part of the tooth 2 extends into the dental strip 11 and is fixedly arranged on the dental strip 11 in a threaded connection mode or an expansion mode.

In another embodiment according to the utility model, the teeth 2 are arranged in a conical shape, the end of the teeth 2 remote from the cylindrical mould 10 tapering. With this arrangement, the conical teeth 2 are more advantageous for the glass fiber reinforced plastic fiber winding, and the conical teeth 2 can guide the glass fiber reinforced plastic fiber from outside to inside during the process of winding the glass fiber reinforced plastic fiber into the cylindrical mold 10.

In order to fix and mold the cylindrical mold 10 surrounded by the dental strip 11 and the flat strip 12, in this embodiment, a cylindrical support cylinder 3 is provided inside both ends of the cylindrical mold 10, and as shown in fig. 2 and 3, the outer wall of the support cylinder 3 abuts against the inner diameter of the cylindrical mold 10, thereby supporting each dental strip 11 and the flat strip 12 in the radial direction and preventing the cylindrical mold 10 from collapsing.

Preferably, steps are provided at both end portions of the cylindrical mold 10 for placing the support cylinder 3, that is, inside both end portions of each of the dental bars 11 and the flat bars 12. After the support cylinder 3 enters the end of the cylindrical mold 10, the support cylinder 3 can be brought into contact with the step of the cylindrical mold 10, thereby defining the position of the support cylinder 3.

In combination with the structure of the present utility model, the process of fabricating the glass fiber reinforced plastic screen using the glass fiber reinforced plastic screen fabricating apparatus 100 includes the steps of:

as shown in fig. 2 to 4, each of the strips 11 and each of the flat strips 12 are alternately arranged in the circumferential direction, and the side surfaces of the adjacent strips 11 and flat strips 12 are in parallel contact with each other, so as to define a cylindrical mold 10 of the present utility model;

two support cylinders 3 are respectively provided inside both end portions of the cylinder mold 10, and the cylinder mold 10 is supported to maintain a cylinder shape;

coating a release agent on the outer wall of the cylindrical die 10 and the surface of the tooth 2, and winding glass fiber reinforced plastic fibers on the cylindrical die 10 in a wet winding mode;

after the glass fiber reinforced plastic sieve tube is molded, the supporting cylinder 3 is removed from the cylinder mold 10, and then each flat strip 12 and each tooth strip 11 are sequentially demolded, so that the glass fiber reinforced plastic sieve tube with sieve holes is directly formed.

It is easy to understand that the mesh formed by the glass fiber reinforced plastic fiber winding mode is not regular circular, but the mesh which is not regular circular does not affect the use of the glass fiber reinforced plastic screen pipe. In the winding process, necessary winding can be added near the teeth 2, and the finally formed sieve holes are circular as far as possible by changing the direction of the winding angle and enveloping a circular hole after multi-layer winding.

Embodiment two:

on the basis of the first embodiment, the two ends of the outer side of the cylinder mold 10 are respectively sleeved with the connectors 4, wherein the two ends of the cylinder mold 10 are respectively a male connector and a female connector. All teeth 2 are located between two joints 4.

With this arrangement, the glass fiber reinforced plastic fiber is wound on the joint 4 while the glass fiber reinforced plastic fiber is wound on the cylindrical die 10, and when the glass fiber reinforced plastic fiber is molded into the glass fiber reinforced plastic screen pipe, the glass fiber reinforced plastic screen pipe is integrally and fixedly connected with the joint 4. The main body of the glass fiber reinforced plastic screen pipe is fixedly connected with the joint 4 in the mode, so that the structure is firm, and the glass fiber reinforced plastic screen pipe can be suitable for underground severe environments.

In a preferred embodiment, a plurality of protrusions 41 are provided on the outer surface of the joint 4. When the glass fiber reinforced plastic fibers are wound with the connector 4, the protrusions 41 are in the winding range of the glass fiber reinforced plastic fibers, and part of the glass fiber reinforced plastic fibers enter the grooves between the protrusions 41 in the winding process, so that the connection between the glass fiber reinforced plastic fibers and the connector 4 is reinforced.

In the present embodiment, the projections 41 are provided in any one of a ring shape, a spiral shape, or a dot matrix type.

Wherein, annular bulge 41 is the shape shown in fig. 2, and a plurality of rings are coaxially and fixedly arranged on the outer surface of joint 4 along the axial direction. The helical projection 41 resembles a screw thread. The dot-matrix protrusions 41 are equivalent to a plurality of dot-shaped protrusions 41 which are distributed on the surface of the joint 4, and the plurality of dot-shaped protrusions 41 may be spirally distributed, annularly distributed, or randomly distributed.

Although in the present embodiment, only these several arrangement shapes of the protrusions 41 are provided, the protrusions 41 of the present utility model are not limited to the structures provided in the present embodiment, and those skilled in the art can modify the present utility model in accordance with the actual circumstances, and such modifications are intended to be within the scope of the present utility model.

Embodiment III:

in addition to the second embodiment, the joint 4 of the present utility model includes a large diameter portion 42, a small diameter portion 43, and a connecting portion 44, which are provided in this order.

Wherein the connection part 44 is located at the end of the joint 4 furthest from the middle of the cylinder mould 10, and the connection part 44 is provided with a male or female thread.

The large diameter portion 42 is located at the end of the joint 4 closest to the middle of the cylindrical die 10, and the projection 41 of the joint 4 is provided on the outer surface of the large diameter portion 42.

The small diameter portion 43 is located between the connecting portion 44 and the large diameter portion 42, and the outer diameters of the connecting portion 44 and the large diameter portion 42 are both larger than the outer diameter of the small diameter portion 43.

In this arrangement, when the glass fiber reinforced plastic is wound, the end surface of the connecting portion 44 connected to the small diameter portion 43 is set as the outermost end of the glass fiber reinforced plastic winding. The height difference between the small diameter portion 43 and the large diameter portion 42 makes the glass fiber reinforced plastic fiber not axially separate from the joint 4 after being wound and molded, so that the overall structure of the glass fiber reinforced plastic screen tube processing device 100 is more stable.

Embodiment four:

on the basis of the above embodiment, the glass fiber reinforced plastic screen pipe processing device 100 further comprises a demoulding rod 5.

As shown in fig. 5, the ejector lever 5 includes a lever body 51, a support arm 52, and a wedge 53.

In the present embodiment, the rod body 51 is provided in a cylindrical shape for extending into the interior of the cylindrical mold 10.

A plurality of support arms 52 and a plurality of support arms 52 are provided on an outer wall of the rod body 51 in a circumferential direction of the rod body 51, a plane formed by each support arm 52 is perpendicular to a central axis of the rod body 51, and a length direction of each support arm 52 perpendicularly intersects the central axis of the rod body 51.

The wedge blocks 53 are in one-to-one correspondence with the number of the supporting arms 52, and one wedge block 53 is fixedly arranged at the end part of each supporting arm 52.

In the present embodiment, four support arms 52 and wedge blocks 53 are provided.

At the same time, a groove 13 for fitting with the wedge block 53 is provided in the longitudinal direction on the inner side of the die bar 1.

Specifically, as shown in fig. 6, in use, the knock out rod 5 is inserted into the cylinder mold 10 in a posture in which the central axis coincides with the central axis of the cylinder mold 10, and the wedge block 53 is inserted into the groove 13 for knock out. For clarity of illustration, fig. 6 shows only two flat bars 12 of the cylinder mold 10 and two support arms 52 and wedge blocks 53 of the ejector pin 5.

In this embodiment, the cross section of the groove 13 is a T-shaped groove. As shown by the broken line in fig. 6, when the flat bar 12 and the dental bar 11 are not demolded, the upper end surface of the wedge block 53 is located above the wider portion of the groove 13, and the wedge block 53 can enter the groove 13 and gradually move toward the axis direction of the groove 13 by the pushing of the rod body 51. During the movement of the wedge-shaped block 53 towards the axis of the groove 13, the inclined surface of the wedge-shaped block 53 will exert a radial inward pressure on the groove 13, thereby causing the whole flat bar 12 to move radially inwards and disengage from the formed glass fiber reinforced plastic.

Thus, the demolding can be performed easily using the demolding lever 5 of the present utility model. The demoulding speed is increased.

Fifth embodiment:

on the basis of the above embodiment, the glass fiber reinforced plastic screen pipe processing device 100 further includes an outer mold 6, and the outer mold 6 is wrapped outside the glass fiber reinforced plastic fiber formed by winding. After the outer mold 6 is disposed outside the molded glass fiber reinforced plastic, resin may be injected between the outer mold 6 and the molded glass fiber reinforced plastic. The injected resin can level the surface of the formed glass fiber reinforced plastic fiber and can fill irregular sieve holes of the tooth 2 part in the winding process so as to form regular round holes.

Specifically, as shown in fig. 7, the outer mold 6 is integrally semi-cylindrical, and in the use process, the two outer molds 6 are mutually buckled to form a finished cylinder, so that the formed glass fiber reinforced plastic is wrapped inside, and the inner diameter of the outer mold 6 is set according to the outer diameter of the actually formed glass fiber reinforced plastic screen pipe.

In the present embodiment, a plurality of tooth holes 61 are provided in the outer mold 6 in a penetrating manner, and the positions, the numbers, and the sizes of the tooth holes 61 are the same as those of the teeth 2. After the glass fiber reinforced plastic sieve tube is molded and before demolding, the two outer mold 6 provided by the embodiment is wrapped outside the molded glass fiber reinforced plastic sieve tube, each tooth 2 is penetrated in each tooth hole 61, and resin is injected between the outer mold 6 and the molded glass fiber reinforced plastic sieve tube. After waiting for the resin molding, demolding of the cylinder mold 10 and the outer mold 6 is performed.

The two ends of the outer mold 6 and the molded glass fiber reinforced plastic screen pipe can be in sealing connection, and a pipeline for injecting resin is arranged, so that the purpose of injecting resin between the outer mold 6 and the glass fiber reinforced plastic screen pipe is achieved. The specific structure of injecting the fluid between the two layers of objects is not a technical point of the present utility model in the prior art, and will not be described herein.

Example six:

this embodiment provides a structure of the outer mold 6 which is different from that of the fifth embodiment.

In this embodiment, the outer mold 6 is still semi-cylindrical in shape, and during use, the two outer molds 6 are fastened to each other to form a finished cylinder, thereby wrapping the molded glass fiber reinforced plastic fibers therein. Unlike the fifth embodiment, the outer mold 6 of the present embodiment is provided with a plurality of posts (not shown) on the inner side, and the positions, the numbers, and the sizes of the posts are the same as those of the teeth 2.

The method of using the outer die 6 in this embodiment is also different from the method of using the outer die 6 in the fifth embodiment.

After the glass fiber reinforced plastic screen pipe is molded and after the demolding of the cylinder mold 10 is completed, the two outer molds 6 of the embodiment are arranged on the demolded glass fiber reinforced plastic screen pipe, each tooth post is inserted into a sieve pore of the glass fiber reinforced plastic screen pipe, and then resin is injected between the glass fiber reinforced plastic screen pipe and the outer molds 6 to level the outer surface of the glass fiber reinforced plastic screen pipe. And demolding the resin after molding.

Embodiment seven:

in one embodiment of the utility model, a glass fiber reinforced plastic screen pipe processing method is provided, which comprises the following steps:

s1, assembling a plurality of mold strips 1 into a cylindrical mold 10 according to FIG. 1, supporting the inside of the cylindrical mold 10 by using a supporting cylinder 3, and sleeving joints 4 at two ends of the outer side of the cylindrical mold 10;

s2, coating a release agent on the outer surface of the cylindrical die 10 and the surface of the tooth 2, and winding glass fiber reinforced plastic fibers on the cylindrical die 10 and the joint 4 in a wet winding mode;

and S3, after the glass fiber reinforced plastic fibers are molded, the supporting cylinder 3 is moved out of the cylindrical die 10, the die strips 1 are sequentially moved inwards in the radial direction, and then moved out in the axial direction, so that the demolding is completed.

Preferably, according to the mode provided in the fifth embodiment or the sixth embodiment, the outer mold 6 coated with the release agent is sleeved on the molded glass fiber reinforced plastic screen pipe, resin is filled between the outer mold 6 and the glass fiber reinforced plastic screen pipe, and the mold is released after the resin is molded.

In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Finally, it should be noted that the above description is only of a preferred embodiment of the utility model and is not to be construed as limiting the utility model in any way. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the techniques described in the foregoing examples, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. The utility model provides a glass steel screen pipe processingequipment for twine glass steel fibre, its characterized in that includes drum mould (10), drum mould (10) are including evenly laying along circumference many mould strips (1), mould strip (1) can follow the radial inwards of drum mould (10) the outside of mould strip (1) evenly is provided with a plurality of teeth (2).

2. The glass fiber reinforced plastic screen pipe processing device according to claim 1, wherein the mold strip (1) comprises tooth strips (11) and flat strips (12), the inner side width of the tooth strips (11) is smaller than the outer side width, the inner side width of the flat strips (12) is larger than or equal to the outer side width, and the tooth strips (11) and the flat strips (12) are alternately distributed along the circumferential direction.

3. The glass fiber reinforced plastic screen pipe processing device according to claim 2, wherein the included angle between the two side surfaces of the tooth strip (11) ranges from 1 to 30 degrees.

4. The glass fiber reinforced plastic screen pipe processing device according to claim 2, wherein supporting cylinders (3) are arranged on the inner sides of two ends of the cylinder mold (10), and the outer walls of the supporting cylinders (3) are abutted with the inner diameter of the cylinder mold (10).

5. The glass fiber reinforced plastic screen pipe processing device according to any one of claims 1 to 4, wherein joints (4) are sleeved at two ends of the outer side of the cylindrical mold (10), the teeth (2) are positioned between the two joints (4), a plurality of protrusions (41) are arranged on the outer surface of the joint (4), and the protrusions (41) can strengthen the connection between the glass fiber reinforced plastic fibers and the joint (4).

6. The glass fiber reinforced plastic screen pipe processing apparatus as recited in claim 5, wherein the protrusions (41) are provided in any one of a ring shape, a spiral shape, or a dot matrix shape.

7. The glass fiber reinforced plastic screen pipe processing device according to claim 5, wherein the joint (4) comprises a large diameter portion (42), a small diameter portion (43) and a connecting portion (44) which are sequentially arranged, the outer diameters of the connecting portion (44) and the large diameter portion (42) are larger than the outer diameter of the small diameter portion (43), and the large diameter portion (42) is close to the middle of the cylinder mold (10) relative to the small diameter portion (43).

8. The glass fiber reinforced plastic screen pipe processing device according to any one of claims 1 to 4, wherein a groove (13) is provided on the inner side of the mold bar (1) along the length direction,

the glass fiber reinforced plastic screen pipe processing device further comprises a demolding rod (5), the demolding rod (5) comprises a rod body (51) and a plurality of supporting arms (52) arranged along the circumferential direction of the rod body (51), the plane formed by each supporting arm (52) is perpendicular to the central axis of the rod body (51), and wedge-shaped blocks (53) used for being matched with the grooves (13) are arranged at the end parts of the supporting arms (52).

9. The glass fiber reinforced plastic screen pipe processing device according to any one of claims 1 to 4, wherein the teeth (2) are provided in a cylindrical or conical shape, and the teeth (2) are fixedly connected with the mold bar (1) by a threaded connection manner or an expansion connection manner.

10. The glass fiber reinforced plastic screen pipe processing device according to any one of claims 1 to 4, further comprising an outer mold (6), wherein the outer mold (6) is arranged outside the glass fiber reinforced plastic fiber which is wound.