CN210651972U

CN210651972U - Equipment for continuously winding and preparing glass fiber reinforced plastic pipeline

Info

Publication number: CN210651972U
Application number: CN201920800756.2U
Authority: CN
Inventors: 崔虎; 郜云峰; 刘申武; 张洪毅
Original assignee: Hebei Knt Frp Co ltd
Current assignee: Hebei Knt Frp Co ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-06-02
Anticipated expiration: 2029-05-30

Abstract

The utility model provides a equipment of winding FRP pipe way in succession includes: the driving system comprises a sliding mandrel and a driving system, wherein the sliding mandrel is used for providing power for a cylinder structure formed on the surface of the sliding mandrel so that the cylinder structure can be radially and rotationally pushed along the sliding mandrel; the winding system is arranged at the upstream of the pushing direction of the cylinder structure; and the felt wrapping device is positioned at the downstream of the winding system in the pushing direction of the cylindrical structure and is used for providing felt cloth for the cylindrical structure wound with the glass fiber so as to wind the felt cloth on the cylindrical structure. The utility model provides an equipment can prepare the FRP pipe way of different length, different intensity, different thickness as required, and the time of preparation FRP pipe way is short, simple process.

Description

Equipment for continuously winding and preparing glass fiber reinforced plastic pipeline

Technical Field

The utility model relates to a FRP pipe says coiler technical field, concretely relates to device of continuous preparation FRP fibre pipeline.

Background

Glass fiber reinforced plastic is a composite material which develops rapidly in nearly fifty years, has been widely applied in more than ten related industries such as aerospace, railway, decorative building, home furniture, advertisement display, craft gift, building material bathroom, yacht berth ship, sports material, environmental sanitation engineering and the like due to the excellent performances of corrosion resistance, ageing resistance, heat resistance, freezing resistance and the like, and is deeply praised and popular, thereby becoming a demand of new-age merchants in the material industry.

In order to adapt to different industry fields, glass fiber reinforced plastic pipelines with different diameters, different lengths and different strengths need to be prepared. At present, the methods for preparing the glass fiber reinforced plastic pipeline mainly comprise the following steps: (1) the glass fiber reinforced plastic pipeline is prepared in a reciprocating winding mode, the gum dipping groove reciprocates along with the rotating mandrel mould, the long fiber glass fiber is laid relative to the mandrel mould at a certain oblique angle, the number of winding layers is gradually increased until the designed wall thickness is reached. The reciprocating winding process has wide application and good applicability, and can be used for preparing the glass fiber reinforced plastic pipelines with different diameters and different strengths, but the prepared glass fiber reinforced plastic pipelines have fixed lengths. (2) The centrifugal casting process for preparing glass fibre reinforced plastic pipe includes such steps as cutting glass fibre reinforced material and sand, loading them in steel mould fixed to bearing, injecting unsaturated resin with catalyst to one end of steel mould, impregnating reinforcing material, and centrifugal force to displace air from fibres and filler. By adopting the process, only the glass fiber reinforced plastic sand inclusion pipe with fixed length can be prepared, the preparation process is complex, and the simple switching can not be carried out aiming at the glass fiber reinforced plastic pipelines with different specifications. (3) A continuous filament winding process wherein a tube is passed through a supply station for supplying a mixture of resin pre-preg roving, chopped glass fiber reinforced plastic and resin sand while the tube is in motion in a mandrel die. The method has the advantages that the fiber arrangement parallelism is good, roving is soaked in advance, the resin glue solution of the fiber yarn can reduce fiber abrasion, the production efficiency is high, but the resin waste is large, the operation environment is poor, the glue content of the pipeline and the quality of finished products are not easy to control, and the variety of the resin for winding is less.

The statements in the background section are merely technical equivalents which may be known to a person skilled in the art and do not, of course, represent prior art in this field.

SUMMERY OF THE UTILITY MODEL

One or more to prior art in the problem, the utility model provides a twine FRP pipe's equipment in succession adds resin and curing agent in glass fiber yarn bundle and the junction of strengthening the crushed aggregates, can prepare the FRP pipe of different length, different intensity, different thickness as required, and the time of preparation FRP pipe is short, simple process, and the resin use amount is little, and is with low costs, and finished product quality is easily to the accuse.

The utility model provides a twine preparation FRP pipe way equipment in succession, include:

the driving system comprises a sliding mandrel and a driving system, wherein the sliding mandrel is used for providing power for a cylinder structure formed on the surface of the sliding mandrel so that the cylinder structure can be radially and rotationally pushed along the sliding mandrel;

the winding system comprises a fiber yarn winding device, a liquid adding device and a reinforced crushed material adding device, and is arranged at the upstream of the pushing direction of the cylinder structure; the fiber yarn winding device is used for providing glass fiber yarns to a cylinder structure formed on the outer surface of the sliding mandrel, so that the glass fiber yarns are wound on the pushed cylinder structure; the liquid adding device is used for providing a mixed liquid of resin and a curing agent to the wound glass fiber; the reinforcing chaff addition device is used for providing reinforcing chaff to the glass fiber being wound;

and the felt wrapping device is positioned at the downstream of the winding system in the pushing direction of the cylindrical structure and is used for providing felt cloth for the cylindrical structure wound with the glass fiber so as to wind the felt cloth on the cylindrical structure.

Providing reinforcing particles at the glass fibers being wound to increase the strength of the glass fiber pipe; and the mixed solution of the resin and the curing agent is provided to the wound glass fiber, so that the pre-dipping glue process is omitted, and the curing time is shortened.

According to an aspect of the present invention, the sliding core shaft includes:

a mandrel;

the sliding block assemblies extend axially along the mandrel and are arranged on the mandrel, each sliding block assembly comprises a first connecting piece, a second connecting piece and a guide piece, the first connecting pieces are fixedly connected with the mandrel, and the second connecting pieces can slide along the length direction of the sliding block assemblies relative to the first connecting pieces through the guide pieces;

the second connecting pieces of the plurality of sliding block assemblies are axially displaced to different degrees in the process that the mandrel and the sliding block assemblies rotate along the axis by the aid of the guide device arranged at one end of the mandrel.

According to one aspect of the present invention, the first connecting member of the slider assembly has a sliding groove extending along a length direction of the slider assembly, the second connecting member has a protrusion inserted into the sliding groove, the guiding member extends along the length direction of the slider assembly and is connected to the protrusion and encloses a side wall forming the sliding groove, and the first connecting member is in sliding fit with the second connecting member through the guiding member in the length direction;

the second connecting piece comprises sliding sheets and bearings, the outer surfaces of the sliding sheets are cambered surfaces and extend along the length direction of the sliding block assemblies, the sliding sheets are fixedly connected with the bearings, and the surfaces of the second connecting pieces of the sliding block assemblies can be spliced into a cylindrical surface to surround the core shaft.

According to the utility model discloses an aspect, first connecting piece adopts square groove structure, all is equipped with outstanding stopper between two adjacent first connecting pieces on the dabber surface, the dabber surface and the lateral surface looks adaptation of two adjacent first connecting pieces of stopper, dabber surface and square groove structure looks adaptation between two stoppers make square groove inlay between the stopper on dabber surface.

Preferably, the limiting block and the mandrel are integrally formed.

According to an aspect of the present invention, the guiding device comprises:

the transmission shaft is an extension of the mandrel and is used for connecting a power source;

the flange surrounds the transmission shaft, and the transmission shaft penetrates through the flange and can freely transmit relative to the flange;

the positioning pipe is fixedly connected with the flange and sleeved outside the transmission shaft at a distance;

the guide flat key is connected end to end and surrounds the surface of the positioning pipe;

and the second connecting piece of each sliding block assembly is connected with a guide rail structural piece at one end close to the flange, and the guide rail structural pieces are matched with the guide flat keys.

According to an aspect of the present invention, the guiding flat key is formed to have two trajectories of turning back along the surface of the positioning tube.

Preferably, the trajectory sequence includes a first oblique trajectory, a first retracing trajectory, a second oblique trajectory, and a second retracing trajectory.

Preferably, the angles between the first oblique track and the second oblique track and the circumferential direction of the positioning pipe are the same and are 10-30 degrees.

Preferably, the first oblique trajectory and the second oblique trajectory both occupy 5/12 of the circumference of the positioning tube, and the first retracing trajectory and the second retracing trajectory both occupy 1/12 of the circumference of the positioning tube.

Preferably, the positions of the first returning track end point and the second returning track end point on the positioning tube shaft are the same as the starting point of the first inclined track.

Preferably, the guide rail structure includes a bearing plate and at least a pair of bearings fixed to one end of the bearing plate, the other end of the bearing plate is fixedly connected to the second connecting member, and the bearings are respectively disposed on two sides of the guide flat key.

According to the utility model discloses an aspect, actuating system includes slip dabber, power supply device includes motor, speed reducer and main shaft, motor, speed reducer and main shaft connect gradually, main shaft and slip dabber fixed connection. The motor and the speed reducer provide power for the main shaft, so that the main shaft rotates along the shaft core, and the main shaft drives the sliding core shaft to rotate along the shaft core.

According to the utility model discloses an aspect, fibre wind includes creel and first yarn comb, the creel is used for placing the glass fiber yarn axle, keeps away from and sets up in one side of sliding the dabber, first yarn comb is used for concentrating into one row and evenly distributed with the epaxial glass fiber yarn comb of glass fiber yarn, and is more recent to set up in the top of sliding the dabber.

Preferably, the creel is provided with a plurality of yarn rings, a yarn dividing plate and a tensioner, the yarn dividing plate is provided with a plurality of yarn holes, the tensioner is fixedly arranged at a wire outlet end of the yarn dividing plate and has a certain preset distance with the yarn dividing plate, the tensioner is provided with a first tension shaft and a second tension shaft which are parallel to each other, and the first tension shaft is lower than the second tension shaft in horizontal height and is closer to the yarn dividing plate. Each glass fiber yarn shaft corresponds to one yarn ring and one yarn hole in the yarn dividing plate, yarn bundles on the glass fiber yarn shafts respectively penetrate through the yarn rings and then enter the yarn holes of the yarn dividing plate, then the yarn bundles bypass from the lower part of the first tension shaft to the upper part of the second tension shaft and then enter the yarn comb after bypassing the second tension shaft, and the tensioner plays a role in tensioning each glass fiber yarn.

Preferably, the yarn holes on the yarn dividing plate are arranged in an array and correspond to glass fiber yarn shafts on the creel to form a yarn shaft array of the reduced plate.

Preferably, the aperture of the yarn holes is 5-20mm, and the distance between the yarn holes in each row is 8-50 mm.

Preferably, the comb back of the first yarn comb is of a cylindrical structure. The glass fiber yarn bundle passes between the two comb teeth of the yarn comb and then is wound on the barrel structure, the yarn comb can enable the distance of the glass fiber yarn bundle to be equal, and the glass fiber yarn bundle is more stable after being wound on the barrel structure. Under the action of the tensioning force, the glass fiber yarn bundle moves close to the comb back of the yarn comb, and the friction force is increased. The comb back is set to be a cylindrical structure, so that the damage of the glass fiber yarns caused by the friction between the glass fiber yarns and the square sharp corners is reduced.

According to an aspect of the utility model, fibre yarn wind still includes the second yarn comb, and nearer setting is in one side of slip dabber.

Preferably, the comb teeth of the first yarn comb have a width of 2-5mm, preferably 3 mm; the distance between the two comb teeth is 2-4mm, preferably 2.5 mm.

Preferably, the width of the comb teeth of the second yarn comb is 2-3mm, and the distance between the two comb teeth is 2-3 mm.

According to the utility model discloses an aspect, add liquid device is including supplying liquid device and dropping liquid calandria, supply the liquid device to the mixed liquid of dropping liquid calandria transport resin and curing agent, the dropping liquid calandria set up in tubular structure's top.

Preferably, the liquid supply device comprises two material containers, two liquid supply pipes and a mixer, the mixer is connected with the material containers through the liquid supply pipes, and the mixer is arranged above the liquid dropping calandria relatively close to the liquid dropping calandria. The blender is internally mixed with resin and curing agent, the resin is easily cured, therefore, the distance between the blender and the liquid dropping calandria is short, the time for the mixed liquid to enter the liquid dropping calandria is short, and the mixed liquid is prevented from being cured in advance.

Preferably, the material container comprises a stirring device for stirring the liquid in the material container.

Further preferably, the stirring device is a screw stirrer.

Preferably, the supply tube further comprises a metering pump. The metering pump is used for adjusting the flow of the liquid object.

Further preferably, the metering pump is a diaphragm metering pump.

According to the utility model discloses an aspect, it includes chopping machine, sand feeder and biography silo to strengthen the crushed aggregates interpolation device, the one end setting of passing the silo is in the exit of chopping machine, and the other end setting just sets up under the glass fiber of winding glass fiber department in barrel structure's top, and sand feeder sets up directly over the silo that passes. The chopping machine cuts the long fiber into chopped fiber, the sand adding device is used for adding quartz sand, and the chopped fiber and the quartz sand are added to the barrel structure through the material conveying groove.

Preferably, the chopped fiber filaments cut by the chopping machine have a length of 20-100 mm.

According to an aspect of the utility model, equipment for preparing glass steel pipeline by continuous winding still includes a curing device, is located along the barrel structure advancing direction the low reaches of package felt device for the glass steel pipeline of solidification.

Preferably, the curing device is a straight barrel structure, and the barrel structure is pushed from one port of the curing device to the other port.

Preferably, the curing device comprises one or more baking lamps.

Preferably, the curing device further comprises a temperature sensor for monitoring the temperature inside the curing device.

According to an aspect of the utility model, the equipment for preparing the glass fiber reinforced plastic pipeline by continuous winding still comprises a pipeline bracket, the pipeline bracket is positioned along the advancing direction of the cylinder structure and is positioned under the cylinder structure which is solidified and is not cut at the downstream of the felt-wrapping device.

Preferably, the pipeline support is further provided with more than two riding wheels, the riding wheels are arranged above two sides of the pipeline support, the cylindrical structure erected on the pipeline support is clamped by the two riding wheels in a left-right mode, and an angle is formed between the rolling direction of each riding wheel and the pushing direction of the cylindrical structure, and the riding wheels are preferably 90 degrees. The pipeline support is used for supporting a cylinder structure which is separated from the sliding mandrel and is not cut, and the riding wheel rolls under the driving of self rotation of the cylinder structure so as to reduce the friction between the cylinder structure and the pipeline support.

According to an aspect of the utility model, the equipment for continuously winding and preparing the glass fiber reinforced plastic pipeline further comprises a separating device, comprising:

a cutting device for cutting the barrel structure which is rotating and is pushed forward at the same time;

at least two drive supports for supporting the barrel structure; and

the pipe unloading device is arranged at the downstream of the cutting device along the forward pushing direction of the cylinder structure and is used for unloading the cut cylinder structure from the driving bracket;

the cutting device, the at least one drive bracket, the tube discharge device and the at least one drive bracket are distributed in sequence from upstream to downstream along the forward advancing direction of the cylinder structure.

Preferably, the cutting device comprises a cutter and a transmission device, and the transmission device is connected with the cutter and drives the cutter to move back and forth on the track. Under the drive of the transmission device, the cutter can move along with the advancing direction of the cylinder structure, and the moving speed of the cutter is the same as the advancing speed of the cylinder structure by controlling the transmission speed of the transmission device, so that the flatness of the tangent plane of the cylinder structure is ensured.

The driving support further comprises more than two idler wheels, the idler wheels are arranged above two sides of the driving support and erected on the barrel structure of the driving support, the two idler wheels are clamped in the left and right direction, the rolling direction of the idler wheels and the pushing direction of the barrel structure have an angle, and an angle of 90 degrees is preferably selected. The driving support is used for supporting the cut barrel structure, and the roller rolls under the driving of self-rotation of the barrel structure so as to reduce friction between the barrel structure and the driving support.

According to the utility model discloses an aspect, the pipe discharging device includes support frame, motion ramp and scalable push-and-pull ware, the middle part and the support frame fixed connection of motion ramp make the both ends of motion ramp rise and fall from top to bottom, scalable push-and-pull ware is located tubular structure under to with the one end fixed connection of motion ramp.

Preferably, the pipe unloading device further comprises a baffle plate, wherein the baffle plate is arranged at the other end, connected with the telescopic push-pull device, of the moving ramp and is vertically connected with the moving ramp, and is used for blocking the cylinder structure from sliding off the moving ramp.

According to an aspect of the invention, the baffle is rotatably connected with the movement ramp.

According to an aspect of the invention, the baffle has an angle greater than 90 degrees with the movement ramp. The moving ramp is inclined to the ground or the carrying vehicle at an angle substantially parallel to the ground or the carrying surface of the vehicle so that the tubular structure can smoothly slide off the moving ramp.

Preferably, the stop is fixedly connected to the moving ramp.

According to an aspect of the utility model, the baffle includes first separation blade and second separation blade, first separation blade and motion ramp fixed connection to it is articulated with the second separation blade.

According to an aspect of the utility model, the equipment for continuously winding and preparing the glass fiber reinforced plastic pipeline further comprises a frame for integrating the equipment for continuously winding and preparing the glass fiber reinforced plastic pipeline.

According to the utility model discloses an aspect, twine preparation FRP pipe way equipment in succession still includes the diaphragm winding frame, is located the winding device along the upper reaches of tubular structure advancing direction for the isolation layer of winding tubular structure and slip dabber prevents that tubular structure and slip dabber from gluing even, can't break away from the slip dabber.

The utility model has the advantages that:

the utility model discloses a twine FRP pipe way equipment in succession adds the mixed liquid of strengthening crushed aggregates, resin and curing agent in winding glass fiber yarn department, makes every layer structure of FRP pipe way all strengthened, can prepare the FRP pipe way of different length, different intensity and different thickness as required, and finished product quality is easy to the accuse, and preparation time is short, and is with low costs. The advantages of the present invention are explained below by the following points:

(1) by adopting a continuous winding mode, the rotating speed of the sliding mandrel and the propelling speed of the cylinder structure can be adjusted as required, the addition amount of the crushed aggregates can be enhanced, the thickness and the strength of the glass fiber reinforced plastic pipeline can be adjusted, and the adaptability is strong.

(2) By adopting a continuous winding mode, the upstream glass fiber reinforced plastic pipeline is still prepared, the downstream glass fiber reinforced plastic pipeline is cured and molded, glass fiber reinforced plastic pipelines with different lengths can be cut according to requirements, and the requirements of industrial batch production are met.

(3) The full automation of the whole glass fiber reinforced plastic pipeline preparation can be realized without manpower in the preparation process, and the production efficiency is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of a FRP pipe according to an embodiment of the present invention;

fig. 2A is a schematic cross-sectional view of a sliding mandrel according to an embodiment of the present invention;

fig. 2B is a schematic cross-sectional view of a sliding core shaft in an axial direction (looking from right to left) according to an embodiment of the present invention;

fig. 2C is a schematic structural diagram of the slider assembly 2 according to an embodiment of the present invention;

fig. 2D is a schematic structural diagram of a bearing 222 in a slider assembly according to an embodiment of the present invention;

3 FIG. 32 3 E 3 is 3a 3 cross 3- 3 sectional 3 view 3 ( 3 one 3 embodiment 3) 3 taken 3 along 3A 3- 3A 3 of 3 FIG. 32 3C 3; 3

3 FIG. 32 3 F 3 is 3a 3 cross 3- 3 sectional 3 view 3 along 3A 3- 3A 3 of 3 FIG. 32 3C 3 ( 3 another 3 embodiment 3) 3; 3

Fig. 2G is a schematic structural view of the mandrel 1 according to an embodiment of the present invention;

fig. 2H is an enlarged view of a portion of the guide 3 of fig. 2;

fig. 2I is a schematic diagram of a trajectory formed by the guiding flat key 34 according to an embodiment of the present invention;

fig. 3A is a schematic structural view of a winding device 9 according to an embodiment of the present invention;

fig. 3B is a diagram of the position relationship of the second yarn comb 98 and the first yarn comb 91 according to an embodiment of the present invention;

fig. 3C is a schematic structural view of a creel 92 according to an embodiment of the present invention;

fig. 3D is a schematic structural view of a first yarn comb 91 according to an embodiment of the present invention;

fig. 4A is a schematic structural view of the curing device 12 according to an embodiment of the present invention;

FIG. 4B is a cross-sectional view taken along B-B in FIG. 4A;

fig. 5A is a schematic structural view of a separating apparatus according to an embodiment of the present invention;

fig. 5B is a schematic structural view of the pipe discharging device 16 according to an embodiment of the present invention;

fig. 5C is a view of the arrangement of the baffles 164 and moving ramps 162 without unloading the tubes according to one embodiment of the present invention;

fig. 5D is a schematic view of the movement of the cylinder structure along the moving ramp 32 according to an embodiment of the present invention;

fig. 5E is a schematic view of the tube discharging device 16 during tube discharging according to an embodiment of the present invention (a first embodiment of the baffle 164);

FIG. 5F is a view of the structure of the baffles 164 and moving ramps 162 during tube discharge according to one embodiment of the present invention (a first embodiment of the baffles 164);

fig. 5G is a schematic view of the tube discharging device 16 during tube discharging according to an embodiment of the present invention (a second embodiment of the baffle 164);

fig. 5H is a schematic structural view of the pipe discharge device 16 according to an embodiment of the present invention (a third embodiment of the baffle 164);

fig. 5I is a schematic view of the tube discharging device 16 during tube discharging according to an embodiment of the present invention (a third embodiment of the baffle 164);

fig. 5J is a schematic structural view of the cutting device 14 according to an embodiment of the present invention;

fig. 5K is a schematic structural diagram of the driving bracket 15 according to an embodiment of the present invention.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it should be noted that unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection, either mechanically, electrically, or in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

As an embodiment of the present invention, a continuous winding fiber reinforced plastic pipeline device is shown, as shown in fig. 1, including: the device comprises a driving system (comprising a sliding mandrel 4, a main shaft 5, a motor 7 and a speed reducer 8), a winding system 9 and a felt wrapping device 10. The driving system is used for providing power for the cylinder structure formed on the surface of the sliding core shaft 4 to enable the cylinder structure to be rotationally pushed along the radial direction of the sliding core shaft 4. The winding system 9 is arranged at the upstream of the pushing direction of the cylindrical structure and is used for winding the glass fiber yarns on the pushed cylindrical structure, adding resin, curing agent and reinforcing crushed aggregates. A felt wrapping device 11 is located downstream of the winding system 9 in the direction of displacement of the tubular structure for supplying felt to the tubular structure of glass fibers so that the felt is wound onto the tubular structure.

The drive system is explained in detail below with reference to the accompanying drawings:

as shown in fig. 1, the driving system includes a sliding core shaft 4 and a power supply device, the power supply device includes a motor 7, a speed reducer 8 and a main shaft 5, the motor 7, the speed reducer 8 and the main shaft 5 are connected in sequence, and the main shaft 5 is fixedly connected with the sliding core shaft 4. The motor 7 and the speed reducer 8 provide power for the main shaft 5, so that the main shaft 5 rotates along the shaft core, and the main shaft 5 drives the sliding core shaft 4 to rotate along the shaft core.

As shown in fig. 2A, the sliding mandrel 4 includes three major parts, a mandrel 1, a plurality of sliding block assemblies 2 extending along the axial direction of the mandrel and arranged on the mandrel, and a guiding device 3 arranged at one end of the mandrel.

The number of the sliding block assemblies arranged on the mandrel 1 by the sliding mandrel 4 is determined according to the size of a required die and the size of the mandrel, and more than 3 sliding block assemblies can be arranged, such as 3 groups, 6 groups, 9 groups, 12 groups and the like.

As shown in fig. 2B, the slide spindle 4 is provided with 12 sets of slider assemblies 2 on the spindle 1, the 12 sets of slider assemblies 2 including a first link 21, a second link 22, and a guide 23. The first connecting member 21 is fixedly connected to the mandrel 1, for example, by a screw, a plug, etc., and fig. 2B shows the screw fixing the first connecting member 21 and the mandrel 1 together. The second link 22 may slide relative to the first link 21 along the length of the slider assembly by means of a guide 23. As shown in fig. 2B, several sets of slider assemblies 2 are combined on the mandrel 1, and several outer surfaces thereof are combined to form a rounded circular surface 230. The guide device 3 enables the second connecting pieces 22 of the plurality of slide assemblies to generate axial displacement with different degrees during the rotation of the mandrel 1 and the slide assemblies 2 along the axis.

The spindle 1, the slider assembly 2 and the guide 3 and the connection relationship therebetween will be exemplified in detail below.

As shown in fig. 2C-2F, a slider assembly is illustrated comprising: a first link 21, a second link 22 and a guide 23. The first connecting member 21 has a sliding slot 210 extending along the length of the slider assembly, the second connecting member 22 has a protrusion 220 inserted into the sliding slot, and the guide member 23 extends along the length of the slider assembly and is connected to the protrusion and encloses the side walls forming the sliding slot. The first link 21 is slidably engaged with the second link 22 through the guide 23 in the length direction of the slider assembly. The protrusion 220 faces the surface of the sliding groove 210 of the first connecting member 21 and is spaced from the side wall enclosing the forming groove by a first predetermined distance a. The first predetermined distance a is 0.2-2.0mm, for example: 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1.0mm, 1.1mm, 1.2mm, 1.3mm, 1.4mm, 1.5mm, 1.6mm, 1.7mm, 1.8mm, 1.9mm, 2.0mm, and the like. The first predetermined distance a is set so that the second link 22 does not contact the chute but only contacts the guide 23, and the contact area of the second link 22 with the first link 21 is made zero, thereby reducing the frictional force when the second link 22 slides. The second connecting member 22 includes a sliding piece 221 and a bearing 222, and the sliding piece 221 and the bearing 222 are fixedly connected. The outer surface of the sliding piece 221 is a cambered surface and extends along the length direction of the slider assembly. As shown in fig. 2C and 2D, the bearing 222 includes an engaging portion 222A and a protrusion 220, one end portion of the engaging portion 222A is engaged with the sliding piece 221 and fixedly connected to the sliding piece 221, the sliding piece 221 is supported, and the protrusion 220 is inserted into the sliding slot 210. The shape of the guiding element 23 is an assembly axially arranged along the length direction of the mandrel 1 and the sliding block assembly 2, and the shape can be various, such as a square structure and a cylinder, and fig. 2C shows a preferable mode, that is, the guiding element is a cylinder symmetrically arranged between the protrusion 221 and the side wall enclosing to form the sliding chute, and the embodiment is called a sliding column. The strut 23 supports the bearing 222, and has a second predetermined distance b between the fitting portion 222A of the bearing 222 and the first connector 1. The second predetermined distance b is 0.2-2.0mm, for example: 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1.0mm, 1.1mm, 1.2mm, 1.3mm, 1.4mm, 1.5mm, 1.6mm, 1.7mm, 1.8mm, 1.9mm, 2.0mm, and the like. The fitting portion 222 of the bearing 222 is not in direct contact with the first link 1, and the friction force when the second link 2 slides is reduced. The sliding column 23 not only supports the second connecting member 22, so that the second connecting member 22 can support the composite pipe of the hoisting type, but also prevents the second connecting member 22 from contacting the first connecting member 21, thereby reducing the friction force between the second connecting member 22 and the first connecting member 21 when sliding. The sliding column 23 directly contacts the second connecting member 2, and as a preferable scheme, the sliding column 23 is designed in a cylindrical shape, and the surface of the cylindrical body is arc-shaped and smooth, so that the friction force is greatly reduced when the second connecting member 22 slides on the sliding column 23.

Fig. 2E and 2F show two different configurations of the bearing 222. As shown in FIG. 2E, the bearing 222 is a unitary body that extends along the length of the slider assembly, and the bearing 222 and the slider 221 are of equal length. As shown in fig. 2F, the bearing 222 is block-shaped, a plurality of block-shaped bearings 222 are disposed between the slider 221 and the slide groove along the longitudinal direction of the slider assembly, and the plurality of block-shaped bearings 222 support the slider 221 together. The arrangement of the plurality of block-shaped bearings 222 not only can reduce the contact area between the protrusions 221 of the bearings and the guide 3, thereby reducing the friction force generated by the contact, but also can effectively reduce the weight of the sliding mandrel, and save the manufacturing cost.

As a preferred embodiment, referring to fig. 2G, a preferred construction of the mandrel is shown. First connecting piece 21 adopts square groove body structure, all is equipped with outstanding stopper 10 between two adjacent first connecting pieces on dabber 1 surface, the shape of stopper 10 and the lateral surface looks adaptation of two adjacent first connecting pieces 21, dabber surface and the square groove body structure 21 looks adaptation between two stoppers 10 make square groove body 21 inlay between the stopper 10 on dabber surface. The limiting block 10 and the mandrel are integrally formed.

As shown in fig. 2H, the guide device 3 includes:

a transmission shaft 31 extending from the mandrel and used for connecting a power source;

a flange 32 surrounding the transmission shaft, wherein the transmission shaft penetrates through the flange and can freely transmit relative to the flange;

the positioning pipe 33 is fixedly connected with the flange 32, and is sleeved outside the transmission shaft in a distance manner;

the guide flat key 34 is connected end to end and surrounds the surface of the positioning pipe 34;

and the second connecting piece 22 of each sliding block assembly is connected with a guide rail structural piece at one end close to the flange 32, and the guide rail structural pieces 35 are matched with the guide flat keys 34.

The guiding flat key 34 forms a guiding track around the positioning tube 33, when the transmission shaft 31 is started, the spindle 1 is driven to rotate, the spindle 1 drives the sliding block assembly 2 fixed on the spindle to rotate, and further drives the guide rail structural member 35 to rotate, however, when the guide rail structural member 35 rotates, the fixed track formed by the guiding flat key 34 enables the guide rail structural member 35 to rotate in the circumferential direction and simultaneously generate different displacements in the axial direction, so as to drive the second connecting member 22 of the sliding block assembly 2 to slide in the sliding groove 210 of the first connecting member 21.

As shown in fig. 2H, the guide rail structure 35 includes a bearing plate 351 and a bearing 352 fixed to one end of the bearing plate, the bearing 352 is designed in a pair, and the pair of bearings 352 is mounted on the guide flat key 34, i.e. one bearing is respectively disposed on both sides of the guide flat key. The other end of the bearing plate 351 is fixedly connected with the sliding piece 221. When the mandrel rotates, the bearing 352 moves along the track of the guide flat key, and the sliding sheet 221 connected with the bearing 352 is driven by the bearing plate 351 to have different axial displacements at different track points. One piece of bearing plate 351 can be provided with one pair or more than two pairs of bearings, and can be decided according to the size of the sliding core shaft, if the sliding core shaft is thick, the sliding plate is suitable for manufacturing a large cylinder structure, the sliding plate can be designed to be thick, and at the moment, 3 pairs, 4 pairs or even more bearings can be arranged on the bearing plate connected with the sliding plate. As illustrated in fig. 2B, two pairs of bearings 352 are provided on one bearing plate 351. As a further preferable aspect of this embodiment, a third preset distance is left between the bearing and both side surfaces of the guide flat key, and the third preset distance is 0.5 to 4mm, for example: 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1.0mm, 1.1mm, 1.2mm, 1.3mm, 1.5mm, 1.6mm, 1.8mm, 2.0mm, 2.1mm, 2.2mm, 2.3mm, 2.4mm, 2.6mm, 2.7mm, 2.9mm, 3.0mm, 3.2mm, 3.5mm, 3.6mm, 3.7mm, 3.9mm, 4.0mm, etc.

As a preferable solution of this embodiment, as shown in fig. 2I, a track formed by the guide flat key 34 on the positioning tube 33 is shown, and the guide flat key 34 on the surface thereof forms a track with two turns along the surface of the positioning tube. That is, the trajectories sequentially include a first diagonal trajectory 341, a first retracing trajectory 342, a second diagonal trajectory 343, and a second retracing trajectory 344. Assuming that the starting point of the first oblique trajectory is at the coordinate point (0, 0) in the axial direction and the circumferential direction, the axial displacement of the first oblique trajectory 341 and the second oblique trajectory 343 forms a gentle oblique trajectory, the axial displacement of the first retracing trajectory 342 and the second retracing trajectory 344 is relatively rapid, and the axial displacement is returned to zero within a short circumferential distance. The inventor discovers that the first oblique track and the second oblique track are the same as the angles between the circumferential directions of the positioning pipes in the research process, and the damage amount to the slip sheet and the whole die is smaller when the angles are 10-30 degrees. As shown in fig. 2I, the best effect can be achieved when the first oblique trajectory and the second oblique trajectory both occupy 5/12 of the circumference of the positioning tube, and the first returning trajectory and the second returning trajectory both occupy 1/12 of the circumference of the positioning tube.

The winding system is explained in detail below with reference to the accompanying drawings:

as shown in fig. 3A, the winding system 9 includes a fiber yarn winding device (first yarn comb 91 and creel 92), a liquid adding device (drip drain 95, mixer 961, stock container 962, and liquid supply tube 963), and a reinforcing chaff adding device (chopper 971, sand filler 972, and transfer chute 973). The fiber yarn winding device is used for supplying glass fiber yarns to a cylinder structure formed on the outer surface of the sliding core shaft 4, so that the glass fiber yarns are wound on the pushed cylinder structure. The liquid adding device is used for providing a mixed liquid of resin and curing agent to the wound glass fiber. The reinforcing chaff addition device is used to provide reinforcing chaff to the glass fibers being wound.

As shown in fig. 3A, the fiber winding device includes a creel 92 and a first yarn comb 91, the creel 92 is used for placing the glass fiber yarn shafts, and is far away from one side of the sliding core shaft 4, and the first yarn comb 91 is used for concentrating the glass fiber yarn shafts on the glass fiber yarn shafts into a row and uniformly distributing, and is arranged above the sliding core shaft 4 relatively.

As shown in fig. 3A and 3C, the creel 92 is provided with a plurality of yarn loops 99, a yarn dividing plate 93 and a tensioner 94, the yarn dividing plate 93 is provided with a plurality of yarn holes 931, the tensioner 94 is fixedly disposed at the outlet end of the yarn dividing plate 93 and has a certain preset distance with the yarn dividing plate 93, the tensioner 94 is provided with a first tension shaft 941 and a second tension shaft 942 which are parallel to each other, and the first tension shaft 941 is lower in horizontal height than the second tension shaft 942 and is closer to the yarn dividing plate 93. Each glass fiber yarn shaft corresponds to one yarn ring 99 and one yarn hole 931 on the yarn dividing plate 93, yarn bundles on the glass fiber yarn shafts respectively penetrate through the yarn rings 99 and then enter the yarn holes 931 of the yarn dividing plate 93, then the yarn bundles bypass from the lower side of the first tension shaft 941 to the upper side of the second tension shaft 942 and bypass the second tension shaft 941 and then enter a yarn comb, and the tensioner 94 plays a role in tensioning each glass fiber yarn. The yarn holes 931 on the yarn splitting plate 93 are arranged in an array corresponding to the glass fiber yarn shafts on the creel 92 to form a reduced version of the yarn shaft array. The aperture of the yarn hole is 5-20mm, for example: 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, etc.; the pitch of the yarn openings 931 in each row is 8-50mm, for example: 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 22mm, 25mm, 28mm, 30mm, 32mm, 35mm, 38mm, 40mm, 42mm, 45mm, 48mm, 49mm, 50mm, and the like.

As shown in fig. 3A and 3D, the comb back 912 of the first yarn comb 91 has a cylindrical structure. The glass fiber yarn bundle passes between the two comb teeth 911 of the yarn comb and then is wound on the cylinder structure, the yarn comb can enable the distance of the glass fiber yarn bundle to be equal, and the glass fiber yarn bundle is more stable after being wound on the cylinder structure. The glass fiber yarn bundle moves in close contact with the comb back 912 of the yarn comb under the action of the tensioning force, and the friction force is increased. The comb back 912 is set to be a cylindrical structure, which is beneficial to reducing the damage of the glass fiber yarns caused by the friction between the glass fiber yarns and the square sharp corners.

As shown in fig. 3B and 3D, the filament winding device further includes a second yarn comb 98 disposed nearer to one side of the sliding mandrel. Different comb tooth widths and different comb tooth distances can be set for the first yarn comb 91 and the second yarn comb 98, and the density of each glass fiber yarn bundle and the distance of the glass fiber yarn bundle can be adjusted, so that the strength of the prepared glass fiber reinforced plastic pipeline is enhanced. The width c of the comb teeth 911 of the first yarn comb 91 is 2-5mm, for example: 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, etc. In a preferred embodiment, the width c of the comb teeth 911 of the first yarn comb 91 is 3 mm. The distance between the two comb teeth 911 is 2-4mm, for example: 2mm, 2.5mm, 3mm, 3.5mm, 4mm, etc. In a preferred embodiment, the distance between the two comb teeth 911 is 2.5 mm. The comb teeth of the second yarn comb 98 have a width of 2-3mm, for example: 2mm, 2.1mm, 2.2mm, 2.3mm, 2.4mm, 2.5mm, 2.6mm, 2.7mm, 2.8mm, 2.9mm, 3mm, etc. The distance between the two comb teeth is 2-3mm, for example: 2mm, 2.1mm, 2.2mm, 2.3mm, 2.4mm, 2.5mm, 2.6mm, 2.7mm, 2.8mm, 2.9mm, 3mm, etc.

As shown in fig. 3A, the liquid adding device includes a liquid dropping drain pipe 95 and a liquid supply device, the liquid supply device includes a mixer 961, two material containers 962, and two liquid supply pipes 963, the liquid supply device supplies a mixed liquid of resin and curing agent to the liquid dropping drain pipe 95, and the liquid dropping drain pipe 95 is disposed above the tubular structure. The mixer 961 and the material container 962 are connected by a liquid supply tube 963, and the mixer 961 is disposed just above the drip drain tube 95. The blender is internally mixed with resin and curing agent, the resin is easily cured, therefore, the distance between the blender and the liquid dropping calandria is short, the time for the mixed liquid to enter the liquid dropping calandria is short, and the mixed liquid is prevented from being cured in advance. The product tank 962 also includes a stirring mechanism for stirring the liquid in the product tank 962. The stirring device is preferably a screw stirrer. The supply tube 963 also includes a metering pump 9631. The metering pump 9631 is used to regulate the flow rate of the liquid object. Preferably, the metering pump 9631 is a diaphragm metering pump.

As shown in fig. 3A, the reinforced crushed material adding device includes a chopping machine 971, a sand feeder 972 and a material conveying tank 973, one end of the material conveying tank 973 is disposed at an outlet of the chopping machine 971, the other end of the material conveying tank 973 is disposed above the cylinder structure and right below the glass fiber at the winding glass fiber, and the sand feeder 972 is disposed right above the material conveying tank 973. The chopping machine 971 chops the long fiber into chopped fiber, the sand feeder 972 is used for adding quartz sand, and the chopped fiber and the quartz sand are added to the barrel structure through the material conveying groove 973. The chopped fiber filaments cut by the chopping machine 971 have a length of 20-100mm, for example: 20mm, 21mm, 22mm, 23mm, 24mm, 25mm, 28mm, 30mm, 32mm, 35mm, 37mm, 38mm, 40mm, 41mm, 42mm, 43mm, 44mm, 45mm, 46mm, 47mm, 48mm, 49mm, 50mm, 52mm, 55mm, 58mm, 60mm, 62mm, 65mm, 67mm, 70mm, 72mm, 75mm, 79mm, 80mm, 82mm, 84mm, 85mm, 88mm, 90mm, 91mm, 92mm, 93mm, 94mm, 95mm, 97mm, 98mm, 99mm, 100mm, and the like.

The following describes a preferred embodiment of the apparatus for manufacturing FRP pipes by continuous winding:

as shown in fig. 1, 4A and 4B, the apparatus for continuously winding and preparing a glass fiber reinforced plastic pipeline further comprises a curing device 12 located downstream of the felt wrapping device 11 in the advancing direction of the cylindrical structure for curing the glass fiber reinforced plastic pipeline. The curing device 12 is a straight tubular structure that is pushed from one port of the curing device 12 to the other. The curing device 12 includes one or more bake lamps 121. In a preferred embodiment, the curing device 12 further includes a temperature sensor for monitoring the temperature within the curing device.

As shown in fig. 1, the apparatus for continuously winding and preparing a glass fiber reinforced plastic pipeline further comprises a pipeline support 13, the pipeline support 13 is located downstream of the felt packing device 11 along the advancing direction of the cylindrical structure and is located right below the cured cylindrical structure, and is used for supporting the cured cylindrical structure which is not cut. The pipeline support 13 is further provided with more than two riding wheels, the riding wheels are arranged above two sides of the pipeline support 13, the cylindrical structure erected on the pipeline support 13 is clamped by the two riding wheels in a left-right mode, and the rolling direction of the riding wheels and the pushing direction of the cylindrical structure form an angle of preferably 90 degrees. The pipe support 13 is used for supporting the cylinder structure which is separated from the sliding mandrel 4 and is not cut, and the riding wheel rolls under the driving of the self-rotation of the cylinder structure so as to reduce the friction between the cylinder structure and the pipe support 13.

As shown in fig. 1 and 5A, the apparatus for continuously winding and preparing a glass fiber reinforced plastic pipeline further comprises a separating device, which comprises a cutting device 14, a pipe discharging device 16 and more than two driving brackets 15, wherein the cutting device 11, at least one driving bracket 15, the pipe discharging device 16 and at least one driving bracket 15 are distributed in sequence from upstream to downstream along the forward advancing direction of the cylindrical structure.

As shown in fig. 1, 5A and 5J, the cutting device 14 is used for cutting a cylinder structure which is rotating and is pushed forward, and includes a cutting knife 141 and a transmission device, the transmission device is connected to the cutting knife 141 and drives the cutting knife 141 to move back and forth on a guide rail. Under the drive of the transmission device, the cutter 141 can move along with the moving direction of the cylinder structure, and the transmission speed of the transmission device is controlled to enable the moving speed of the cutter 141 to be the same as the moving speed of the cylinder structure, so that the cut section of the cylinder structure is smooth.

As shown in fig. 1, 5A and 5K, the driving bracket 15 further includes two or more rollers 151, the rollers 151 are disposed above two sides of the driving bracket 15, the cylindrical structure erected on the driving bracket 15 is clamped by the two rollers 151 in a left-right direction, and a rolling direction of the rollers 151 and a pushing direction of the cylindrical structure have an angle, preferably 90 degrees. The driving bracket 15 is used for supporting the cut cylinder structure, and the roller 151 rolls under the driving of the self-rotation of the cylinder structure, so as to reduce the friction between the cylinder structure and the driving bracket 15.

As shown in fig. 1, 5A and 5B, the pipe unloading device 16 includes a support frame 161, a moving ramp 162, and a retractable push-pull device 163, wherein the middle portion of the moving ramp 162 is fixedly connected to the support frame 161 so that both ends of the moving ramp 162 can rise and fall, and the retractable push-pull device is located right below the cylindrical structure and is fixedly connected to one end of the moving ramp 162. In a preferred embodiment, the pipe discharge device 16 further comprises a blocking plate 164, the blocking plate 164 is disposed at the other end of the moving ramp 162 connected to the retractable push-pull 163 and is connected perpendicular to the moving ramp 162 for blocking the cylinder structure from sliding off the moving ramp 162.

As shown in fig. 5B and 5C, the stop 164 is rotatably coupled to the moving ramp 162. When the tube is not being unloaded, the two ends of the moving ramp 162 are at the same horizontal height or the moving ramp 162 is inclined at a certain angle, and the retractable push-pull device 163 is in a retracted state, so that the moving ramp 162 is located below the cylindrical structure and is at a certain distance from the cylindrical structure. When the pipe is to be unloaded, as shown in fig. 5D, the retractable push-pull device 163 is in an extended state, and the moving ramp 162 is raised at one end of the cylindrical structure, so that the moving ramp 162 is higher at one end of the cylindrical structure than at the other end, and the moving ramp 162 forms a ramp with a larger angle. Upon contact of the barrel structure with the moving ramp 162, it rolls toward the other, lower end of the moving ramp 162. As the barrel structure moves along the movement ramp 162, the stop 164 prevents the barrel structure from continuing to move so as to not fall off. When it is desired to completely unload the cartridge structure, as shown in fig. 5E and 5F, the flapper 164 is rotated and the cartridge structure rolls off the moving ramp 162, completing the unloading of the tube.

The blocking plate 164 can also have a second embodiment, as shown in fig. 5G, where the blocking plate 164 has an angle greater than 90 degrees with the moving ramp 162, and the blocking plate 164 is fixedly connected to the moving ramp 162. When the pipe is unloaded, the cylinder structure moves along the moving ramp 162, and when the gradient formed by the moving ramp 162 is smaller, the baffle 164 prevents the cylinder structure from moving continuously; the slope of the moving ramp 162 is increased so that the moving ramp 162 is at an angle substantially parallel to the ground or vehicle load-bearing surface when tilted onto the ground or vehicle, and the barrel structure can slide off the moving ramp 162 smoothly.

A third embodiment of baffle 164 is also possible, as shown in FIGS. 5H and 5I, where baffle 164 includes a first segment 164A and a second segment 164B, with first segment 164A being fixedly attached to moving ramp 162 and hingedly attached to second segment 164B.

As shown in fig. 5H, when the tube is not being unloaded, the first blocking piece 164A and the second blocking piece 164B are in the same straight line, and when the barrel structure moves along the moving ramp 162, the first blocking piece 164A and the second blocking piece 164B prevent the barrel structure from continuing to roll, and prevent the barrel structure from sliding down to the ground. When it is desired to remove the cartridge, the second catch 164B is pivoted along the hinge to be substantially parallel to the moving ramp 162, and the cartridge, absent the obstruction, slides smoothly off the moving ramp 162, as shown in fig. 5I.

As shown in fig. 1, the apparatus for manufacturing a glass fiber reinforced plastic pipeline by continuous winding further comprises a frame 6 for integrating the apparatus for manufacturing a glass fiber reinforced plastic pipeline by continuous winding.

As shown in fig. 1, the apparatus for continuously winding and preparing a glass fiber reinforced plastic pipeline further comprises a membrane winding frame 10 located at the upstream of the winding device 9 along the moving direction of the cylindrical structure, and used for winding the isolation layer between the cylindrical structure and the sliding mandrel 4 to prevent the cylindrical structure from being adhered to the sliding mandrel 4 and from being unable to be separated from the sliding mandrel 4.

Finally, it should be noted that: although the present invention 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 embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The equipment for preparing the glass fiber reinforced plastic pipeline by continuous winding is characterized by comprising the following steps:

and the felt wrapping device is positioned at the downstream of the winding system along the pushing direction of the cylindrical structure and is used for providing felt cloth for the cylindrical structure wound with the glass fibers so as to wind the felt cloth on the cylindrical structure.

2. The apparatus for continuously winding glass reinforced plastic pipe according to claim 1, wherein the sliding mandrel comprises:

a mandrel;

3. The apparatus for continuously winding glass fiber reinforced plastic pipes according to claim 2, wherein the first connecting member of the slider assembly has a sliding groove extending along a length direction of the slider assembly, the second connecting member has a protrusion inserted into the sliding groove, the guide member extends along the length direction of the slider assembly and is connected to the protrusion and encloses a side wall forming the sliding groove, and the first connecting member is slidably engaged with the second connecting member through the guide member in the length direction;

the second connecting piece comprises sliding sheets and bearings, the outer surfaces of the sliding sheets are cambered surfaces, the sliding sheets extend along the length direction of the sliding block assemblies, the sliding sheets are fixedly connected with the bearings, and the surfaces of the second connecting pieces of the sliding block assemblies can be spliced into a cylindrical surface to surround the core shaft.

4. The apparatus for continuously winding glass fiber reinforced plastic pipeline according to claim 3, wherein: first connecting piece adopts square groove structure, all is equipped with outstanding stopper between two adjacent first connecting pieces on the dabber surface, the shape of stopper and the lateral surface looks adaptation of two adjacent first connecting pieces, dabber surface and square groove structure looks adaptation between two stoppers make square groove inlay between the stopper on dabber surface.

5. The apparatus for continuously winding glass fiber reinforced plastic pipeline according to claim 4, wherein: the limiting block and the mandrel are integrally formed.

6. The apparatus for manufacturing FRP pipes according to claim 2, wherein: the guide device includes:

7. The apparatus for continuously winding glass fiber reinforced plastic pipeline according to claim 6, wherein: the guide flat key forms a track with two turns along the surface of the positioning tube.

8. The apparatus for manufacturing FRP pipes according to claim 7 wherein: the tracks sequentially comprise a first oblique track, a first retracing track, a second oblique track and a second retracing track.

9. The apparatus for manufacturing FRP pipes according to claim 8, wherein: the angles between the first oblique track and the positioning pipe and the angles between the second oblique track and the positioning pipe are the same and are 10-30 degrees.

10. The apparatus for manufacturing FRP pipes according to claim 8, wherein: the first oblique track and the second oblique track both occupy 5/12 of the circumference of the positioning tube, and the first retracing track and the second retracing track both occupy 1/12 of the circumference of the positioning tube.

11. The apparatus for manufacturing FRP pipes according to claim 8, wherein: the positions of the first retracing track end point and the second retracing track end point on the positioning tubular shaft are the same as the starting point of the first inclined track.

12. The apparatus for continuously winding glass fiber reinforced plastic pipeline according to claim 6, wherein: the guide rail structure comprises a bearing plate and at least one pair of bearings fixed at one end of the bearing plate, the other end of the bearing plate is fixedly connected with the second connecting piece, and the bearings are respectively arranged on two sides of the guide flat key.

13. The equipment for continuously winding and preparing the glass fiber reinforced plastic pipeline according to claim 1, wherein the driving system comprises a sliding mandrel and a power supply device, the power supply device comprises a motor, a speed reducer and a main shaft, the motor, the speed reducer and the main shaft are sequentially connected, and the main shaft is fixedly connected with the sliding mandrel.

14. The apparatus for continuously winding glass fiber reinforced plastic pipeline according to claim 1, wherein the fiber winding device comprises a creel for placing the glass fiber yarn shafts far away from the side of the sliding mandrel, and a first yarn comb for gathering the glass fiber yarn bundles on the glass fiber yarn shafts into a row and uniformly distributing the glass fiber yarn bundles, and the first yarn comb is arranged above the sliding mandrel relatively closely.

15. The apparatus for manufacturing FRP pipes according to claim 14 wherein the creel is provided with yarn loops, a distribution board and a tensioner, the distribution board is provided with yarn holes, the tensioner is fixedly arranged at the outlet end of the distribution board and has a predetermined distance from the distribution board, the tensioner is provided with a first tension shaft and a second tension shaft which are parallel to each other, and the first tension shaft is lower than the second tension shaft in horizontal height and closer to the distribution board.

16. The apparatus for continuously winding glass reinforced plastic pipe according to claim 15, wherein the yarn holes of the yarn dividing plate are arranged in an array corresponding to the glass fiber yarn shafts of the creel to form a reduced array of yarn shafts.

17. The apparatus for continuously winding glass fiber reinforced plastic pipeline according to claim 16, wherein the diameter of the yarn holes is 5-20mm, and the distance between the yarn holes in each row is 8-50 mm.

18. The apparatus for manufacturing FRP pipes according to claim 14 wherein the comb back of the first yarn comb is of cylindrical configuration.

19. The apparatus for continuously winding glass fiber reinforced plastic pipe according to claim 14, wherein the first yarn comb has a width of comb teeth of 2-5mm and a distance between the comb teeth of 2-4 mm.

20. The apparatus for continuously winding glass reinforced plastic pipe according to claim 19, wherein the first yarn comb has a comb tooth width of 3mm and a distance between two comb teeth of 2.5 mm.

21. The apparatus for continuously winding glass reinforced plastic pipe according to claim 1, wherein the fiber yarn winding device further comprises a second yarn comb disposed at one side of the sliding mandrel in a relatively close manner.

22. The apparatus for continuously winding glass reinforced plastic pipe according to claim 21, wherein the second yarn comb has a width of comb teeth of 2-3mm and a distance between the comb teeth of 2-3 mm.

23. The apparatus for continuously winding glass fiber reinforced plastic pipe according to claim 1, wherein the liquid adding device comprises a liquid supplying device and a liquid dropping discharge pipe, the liquid supplying device supplies a mixed liquid of resin and curing agent to the liquid dropping discharge pipe, and the liquid dropping discharge pipe is disposed above the cylindrical structure.

24. The apparatus for continuously winding FRP pipes according to claim 23 wherein the liquid supply means comprises two containers, two liquid supply pipes and a mixer, the mixer and the containers being connected by the liquid supply pipes, the mixer being located just above the liquid drop discharge pipes.

25. The apparatus for continuously winding glass reinforced plastic pipe according to claim 24, wherein the vessel comprises a stirring device.

26. The apparatus for continuously winding glass reinforced plastic pipe according to claim 25, wherein the stirring device is a screw type stirrer.

27. The apparatus for continuously winding glass reinforced plastic pipe according to claim 24, wherein the liquid supply pipe further comprises a metering pump.

28. The apparatus for continuously winding glass reinforced plastic pipeline according to claim 27, wherein the metering pump is a diaphragm type metering pump.

29. The apparatus for continuously winding fiberglass reinforced plastic pipe according to claim 1, wherein the reinforcing scrap adding device comprises a chopping machine, a sand feeder and a conveying trough, one end of the conveying trough is disposed at the outlet of the chopping machine, the other end is disposed above the cylindrical structure and below the fiberglass at which the fiberglass is being wound, and the sand feeder is disposed directly above the conveying trough.

30. The apparatus for continuously winding FRP pipe as claimed in claim 29 wherein the chopped fiber filaments cut by the chopping machine have a length of 20-100 mm.

31. The apparatus for continuously winding glass fiber reinforced plastic pipeline according to claim 1, further comprising a curing device located downstream of the felting device in the moving direction of the cylindrical structure for curing the glass fiber reinforced plastic pipeline.

32. The apparatus for continuously winding glass reinforced plastic pipe according to claim 31, wherein the curing device is a straight cylinder structure, and the cylinder structure is pushed from one end of the curing device to the other end.

33. The apparatus for manufacturing FRP pipes according to claim 32 wherein the curing means comprises one or more baking lamps.

34. The apparatus for continuously winding glass reinforced plastic pipe according to claim 32, wherein the curing device further comprises a temperature sensor.

35. The apparatus for continuously winding glass reinforced plastic pipe according to claim 1, further comprising a pipe support located downstream of the felting device in the direction of the cylindrical structure moving and directly below the cured cylindrical structure.

36. The apparatus for continuously winding glass fiber reinforced plastic pipe according to claim 35, wherein the pipe support is further provided with two or more supporting rollers, the supporting rollers are disposed above two sides of the pipe support, the cylindrical structure erected on the pipe support is clamped by the two supporting rollers, and the rolling direction of the supporting rollers forms an angle with the moving direction of the cylindrical structure.

37. The apparatus for continuously winding FRP pipe according to claim 36 wherein the roller rolling direction has an angle of 90 degrees with the direction of the cylindrical structure.

38. The apparatus for manufacturing FRP pipes according to claim 1 further comprising a separation device, wherein the separation device comprises:

at least two drive supports for supporting the barrel structure; and

the cutting device, the at least one drive bracket, the tube discharge device and the at least one drive bracket are distributed in sequence from upstream to downstream along the forward advancing direction of the tubular structure.

39. The apparatus for continuously winding glass fiber reinforced plastic pipe according to claim 38, wherein the cutting device comprises a cutting knife and a transmission device, and the transmission device is connected with the cutting knife and drives the cutting knife to reciprocate on the track.

40. The apparatus for continuously winding glass fiber reinforced plastic pipeline according to claim 38, wherein the driving bracket further comprises two or more rollers, the rollers are disposed above two sides of the driving bracket, the cylindrical structure erected on the driving bracket is clamped by the two rollers, and the rolling direction of the rollers forms an angle with the pushing direction of the cylindrical structure.

41. The apparatus for continuously winding FRP pipe according to claim 40 wherein the rolling direction of the rollers is at an angle of 90 degrees to the direction of the travel of the tubular structure.

42. The apparatus for continuously winding glass reinforced plastic pipe according to claim 38, wherein the pipe unloading device comprises a support frame, a moving ramp, and a retractable push-pull device, wherein the middle part of the moving ramp is fixedly connected with the support frame, so that two ends of the moving ramp can rise and fall up and down, and the retractable push-pull device is positioned right below the cylindrical structure and is fixedly connected with one end of the moving ramp.

43. The apparatus for continuously winding glass reinforced plastic pipe according to claim 42, wherein the pipe unloading device further comprises a baffle plate disposed at the other end of the moving ramp where the retractable push-pull is connected, for preventing the tubular structure from sliding off the moving ramp.

44. The apparatus for continuously winding glass reinforced plastic pipe according to claim 43, wherein the flapper is rotatably coupled to the moving ramp.

45. The apparatus for continuously winding FRP pipe according to claim 44 wherein the baffle is at an angle of greater than 90 degrees to the moving ramp.

46. The apparatus for continuously winding FRP pipe according to claim 44 wherein the baffle is fixedly attached to the moving ramp.

47. The apparatus for continuously winding glass reinforced plastic pipe according to claim 44, wherein the baffle plate comprises a first baffle plate and a second baffle plate, and the first baffle plate is fixedly connected with the moving ramp and is hinged with the second baffle plate.

48. The apparatus for manufacturing FRP pipes according to claim 1, wherein the apparatus for manufacturing FRP pipes by continuous winding further comprises a frame for integrating the apparatus for manufacturing FRP pipes by continuous winding.

49. The apparatus for continuously winding glass fiber reinforced plastic pipeline according to claim 1, further comprising a membrane winding frame located upstream of the winding device along the moving direction of the cylindrical structure for winding the isolation layer between the cylindrical structure and the sliding mandrel.