CN113000293B

CN113000293B - Production equipment for outer protective layer of bamboo-wound composite pipe

Info

Publication number: CN113000293B
Application number: CN202110209822.0A
Authority: CN
Inventors: 张远荣; 罗鹏飞; 李丽; 陈铭松
Original assignee: Xinzhuhai Fujian Pipeline Manufacturing Co ltd
Current assignee: Xinzhuhai Fujian Pipeline Manufacturing Co ltd
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2022-06-21
Anticipated expiration: 2041-02-25
Also published as: CN113000293A

Abstract

The invention discloses production equipment for an outer protective layer of a bamboo-wound composite pipe, which belongs to the field of bamboo-wound composite pipes and comprises an outer protective layer glue spraying device, a winding rack, a winding mold roller for winding materials and an outer protective glue recycling system for recycling glue dripped from the winding mold roller, wherein the outer protective layer glue spraying device is positioned above the winding mold roller. The beneficial effects of the invention are: outer inoxidizing coating production facility spouts the material of mucilage binding on the rolling die roller through outer inoxidizing coating spouts the glue device and spouts glue, utilizes outer protection glue system to carry out glue recovery, realizes the sustainable use of glue for whole production facility environmental protection more also accords with the environmental protection theory of using the compound pipe of bamboo winding, and through the setting of knife coating subassembly, makes whole outer inoxidizing coating more level and smooth, the thickness is unanimous.

Description

Production equipment for outer protective layer of bamboo-wound composite pipe

Technical Field

The invention relates to the field of bamboo-wound composite pipes, in particular to production equipment for an outer protective layer of a bamboo-wound composite pipe.

Background

At present, in water supply and drainage engineering and petrochemical engineering anticorrosion occasions, polyvinyl chloride pipes, polyethylene pipes, glass steel pipes, glass fiber reinforced plastic sand inclusion pipes and the like are generally adopted in used pipelines, and most of the pipelines have obvious advantages and disadvantages and are not environment-friendly. Common pipes such as polyvinyl chloride pipes and polyethylene are light, smooth and corrosion-resistant, but are insufficient in rigidity and strength, and raw materials are synthetic products of petroleum products, and the products and waste materials are not recyclable. Therefore, the pipeline product consumes a great amount of precious petroleum resources and causes environmental pollution. The bamboo-wound composite pipe is a biomass pipeline which is formed by compounding bamboo serving as a reinforcing material and resin serving as an adhesive by adopting an automatic winding process and has strong pressure resistance. The method has the advantages of low carbon, environmental protection, cyclic utilization of resources and low cost; however, the existing bamboo-wound composite pipe manufacturing process has many defects, the quality of the manufactured bamboo-wound composite pipe is not ideal enough, for example, the lining layer of the bamboo-wound composite pipe produced in the prior art has insufficient strength, the thickness of the lining layer is not easy to control in the production process, and the production time is wasted; the strength of the produced enhancement layer is not enough, and the manufacturing process is complicated; in the manufacturing process of the outer protective layer, a series of problems that glue is wasted, the glue is not uniformly coated, bubbles are possibly generated in the coating process and the like exist, and glue is not recycled in the inner liner layer, the reinforcing layer and the outer protective layer are solved.

In view of the above, the applicant has made an intensive study on the above-mentioned defects in the prior art, and has made this invention.

Disclosure of Invention

The problems that glue is wasted much, the glue is not uniformly coated, bubbles are possibly generated in the coating process and the like in the manufacturing process of the outer protective layer in the prior art are solved, and a series of problems that glue recovery is not carried out in the existing outer protective layer equipment are solved. The specific technical scheme is as follows:

the utility model provides a compound outer inoxidizing coating production facility of pipe of bamboo winding, includes that outer inoxidizing coating spouts mucilage binding, rolling frame, is used for the rolling mould roller of rolling material and is used for carrying out the outer protection glue recovery system who retrieves from the glue that rolling mould roller dripped, outer inoxidizing coating spouts mucilage binding and puts and is located the top of rolling mould roller.

Outer inoxidizing coating production facility spouts the material of mucilage binding on the rolling die roller through outer inoxidizing coating spouts the mucilage binding and spouts, is utilizing outer protection glue system to carry out glue and retrieves, realizes the sustainable utilization of glue for whole production facility environmental protection more also accords with the environmental protection theory of using the compound pipe of bamboo winding.

Preferably, outer protection glue recovery system is including retrieving the cell body, protecting the glue holding vessel body outward and protecting the glue recovery pipeline outward, it is located to retrieve the cell body under the rolling mould roller, retrieve the cell body export through outer protection glue recovery pipeline with outer protection glue holding vessel body intercommunication, outer protection glue holding vessel body through outer protection glue recovery pipeline with outer protection spouts mucilage binding and puts the intercommunication.

Preferably, retrieve the cell body with protect the glue recovery pipeline outward between the glue holding vessel body outward protect the glue holding vessel body outward with the outer protection spouts and all install the pump body that is used for carrying glue on the glue recovery pipeline outward between the mucilage binding device.

Preferably, an impurity removal filter screen for performing impurity removal and filtration treatment on the glue is arranged at the outlet of the recovery tank body.

Preferably, the surface of the rolling die roller is provided with a scraping and coating assembly for scraping and coating surface glue of the rolling die roller.

Set up the knife coating subassembly and can let glue on the rolling mould roller through the knife coating back surface level and more smooth to also can fill the place of unevenness through the knife coating of knife coating subassembly, realize that the holistic level and smooth of outer inoxidizing coating is even and even.

Preferably, the knife coating subassembly includes knife coating cell body and knife coating pedestal, the knife coating cell body be with the arc curved surface of rolling mould roller coaxial line, scrape and install an at least scraper in the cell body, scraper length direction with rolling mould roller axis is parallel.

Preferably, the back of the scraping coating groove body is provided with a groove body installation block, the scraping coating seat body is provided with a scraping coating sliding groove corresponding to the groove body installation block, the groove body installation block is installed in the scraping coating sliding groove and can be followed by the sliding of the length direction of the scraping coating sliding groove, and the scraping coating sliding groove is an arc curve of the winding die roller coaxial line.

Preferably, the groove body mounting block is provided with a groove body driving assembly used for controlling the scraping coating groove body to slide along the length direction of the scraping coating sliding groove.

Preferably, the tank body driving assembly comprises a tank body driving cylinder and a tank body connecting rod; one end of the tank body connecting rod is connected with the movable end shaft of the tank body driving cylinder, and the other end of the tank body connecting rod is connected with the tank body mounting block shaft.

The cylinder drives the scraper to continuously move along the radial direction on the surface of the mold roller, so that redundant glue on the surface of the mold roller is scraped, and in the glue scraping process, one side of the scraper can accumulate certain glue, so that certain compensation is performed on the place where the glue is lacked or the surface is uneven at the rear part, and the surface is smoother and smoother.

Preferably, install two parallel arrangement's scraper in the knife coating cell body, every the scraper with form between the knife coating spout inner wall and be used for holding glue hold gluey groove.

Preferably, a non-woven fabric layer is attached to the upper surface of the top end of the scraper.

Preferably, the non-woven fabric layer is a needle-punched non-woven fabric, and the thickness of the non-woven fabric layer is 0.5-1.5 cm.

The invention also relates to a bamboo-wound composite pipe production device which comprises the outer protective layer production device.

Has the beneficial effects that:

the technical scheme of the invention has the following beneficial effects:

(1) the scraping and coating component is arranged, so that the surface of the glue on the winding die roller is smoother and smoother after scraping and coating, bubbles are not easy to generate, uneven places can be filled through scraping and coating of the scraping and coating component, and the integral smoothness and uniformity of the outer protective layer can be realized; and the thickness of the outer protective layer can be consistent through the arranged blade coating assembly, and the curing thickness is controlled. The blade coating subassembly drives the scraper constantly at mould roller surface along radial motion through the cylinder to drive the scraper and scrape the unnecessary glue in mould roller surface, and, at the in-process of frictioning water, certain glue can be gathered to scraper one side, thereby lacks glue or the place of surperficial unevenness and carries out certain compensation to the rear, makes the surface level and smooth more.

(2) Spraying glue on the material on the winding die roller through an outer protective layer glue spraying device, and collecting and utilizing the glue through a recovery groove body, an outer protective glue storage tank body and an outer protective glue recovery pipeline by an outer protective glue system; carry out the glue and retrieve, realize the sustainable use of glue for whole production facility is environmental protection more, also accords with the environmental protection theory of using the compound pipe of bamboo winding.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of a production line of a bamboo-wrapped composite pipe according to the present invention;

FIG. 2 is a view showing the structure of a feeding device for bamboo fibers according to the present invention;

FIG. 3 is a perspective view of the bamboo fiber feeding device of the present invention;

FIG. 4 is a schematic view of a breaking roller assembly of the present invention;

FIG. 5 is a schematic view of a webbing assembly of the present invention;

FIG. 6 is a schematic view of a glue applying apparatus according to the present invention;

FIG. 7 is a schematic view of a glue feeding apparatus according to the present invention;

FIG. 8 is a schematic view of a hot press roll of the present invention;

FIG. 9 is a schematic view of an outer protective glue-spraying device according to the present invention;

FIG. 10 is a schematic view of a gantry bamboo strip feeding rack of the invention;

FIG. 11 is a schematic view I of a gantry bamboo skin feeding unit of the invention;

FIG. 12 is a schematic diagram II of a gantry bamboo skin feeding unit of the invention;

FIG. 13 is a first schematic view of a bamboo skin refining assembly according to the present invention;

FIG. 14 is a second schematic view of a bamboo splits refining assembly according to the present invention;

FIG. 15 is a schematic view of a sewing apparatus of the present invention;

FIG. 16 is a schematic view of a hydroentangling composite apparatus in accordance with the present invention;

FIG. 17 is a schematic view of a recovery system according to the present invention;

FIG. 18 is a schematic view of a winding apparatus of the present invention;

FIG. 19 is a schematic view of a feed control system of the present invention;

FIG. 20 is a first schematic view of a blade coating assembly of the present invention;

FIG. 21 is a drawing of a second blade coating assembly of the present invention.

In the figure: 1. a film roll feeding device; 2. a bamboo fiber feeding device; 3. a film conveying device; 4. a glue feeding device; 5. a winding device; 6. a carrier cloth roll feeding device; 7. a fiber feeding device; 8. a bamboo skin feeding device;

9. a bamboo skin fixing device; 10. a carrier cloth conveying device; 20. the enhancement layer is sprayed with a glue device;

30. an outer protective layer glue spraying device; 31. scraping and coating a tank body; 32. scraping and coating a sliding chute; 33. a scraper; 34. a tank body installation block; 35. the groove body is connected with a connecting rod; 36. the tank body drives the cylinder; 37. coating a base body in a scraping manner; 40. a glue spraying machine frame; 60. a guide platform; 70. a heat preservation system; 41. spraying glue columns; 42. spraying a glue beam; 43. rolling a rack translation track; 61. a squeegee;

62. a guide roller; 71. a recovery tank body; 72. a glue storage tank body; 73. a recovery pipeline; 711. rotating the plate;

712. A partition plate; 80. a feeding control microprocessor; 81. a process editing entry; 82. a storage unit;

83. a feeding roller control unit; 84. a traverse control unit; 85. a conveyor control unit;

201. a bamboo fiber feed port; 202. a bamboo fiber feeding frame; 203. loosening roller wheel assemblies; 204. a fan;

205. a web forming assembly; 206. an air deflector; 207. a web-forming fiber cloth channel; 208. a suction fan;

209. a fiber filtration conduit; 210. an air suction pipeline; 211. a bamboo fiber conveyer belt; 212. a sizing nozzle group;

213. a dust cover; 214. a baffle plate; 215. a bamboo fiber conveying motor; 216. a driven roller for conveying bamboo fibers;

217. a gluing nozzle; 231. a first scattering roller; 232. scattering the belt; 233. a second scattering roller;

234. beating hands; 235. breaking up the motor; 251. a net forming motor; 252. a lower net forming roller; 253. a transition plate;

254. a transfer roll; 255. a gear; 2091. a fiber filter plate; 401. a glue storage tank; 402. a nozzle assembly;

403. a recovery tank; 501. winding a mold roller; 502. a rolling frame; 511. a winding motor; 531. a guide shaft;

532. a tension spring; 533. hot-pressing the limiting plate; 534. a hot-pressing frame; 535. a hot press roll; 536. a hot press roller motor; 537. a strip-shaped groove; 801. a feeding beam; 802. a bamboo skin feeding unit; 804. a bamboo skin feeding motor; 821. a bamboo skin transverse moving motor; 822. transversely moving the screw rod; 823. a bamboo skin feeding groove body; 824. a bamboo skin feeding port;

825. A first bamboo skin feeding roller; 826. a second bamboo strip feeding roller; 827. an annular bamboo skin feeding notch;

831. mixing the material strips with bamboo splits; 832. mounting grooves for bamboo splits; 833. a first bamboo skin conveying roller;

834. a second bamboo strip conveying roller; 835. a bamboo skin refining roller; 836. a bamboo strip placing belt;

837. a first bamboo skin is put in the roller; 838. a second bamboo skin is put in the roller; 901. a sewing device; 911. a sewing assembly; 912. sewing the cross beam; 902. a spunlace compound device; 921. a spunlace beam; 922. a water supply device;

923. a gas supply device; 924. a spunlace shell; 925. a spunlace nozzle.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

As shown in fig. 1, the invention relates to a bamboo-wound composite pipe production line, which comprises an inner liner layer production device, a reinforcing layer production device and an outer protective layer production device.

The utility model provides a compound inside pipe lining layer production facility of bamboo winding, includes that film send coiling mechanism 1, bamboo fibre feeder 2, send mucilage binding to put 4, inside liner coiling mechanism 5 and be used for carrying the film to inside liner coiling mechanism 5's film conveyor 3, bamboo fibre feeder 2 and send mucilage binding to put 4 and be located film conveyor 3 directly over.

The production equipment for the bamboo winding composite pipe inner liner layer is characterized in that a film is conveyed to a film conveying device through a film conveying and rolling device, the film conveying device sequentially passes through a bamboo fiber feeding device and a glue conveying device, bamboo fibers and glue are attached to the film, finally the film is conveyed to an inner liner winding device and wound on the inner liner winding device, and a bamboo winding composite pipe inner liner layer is formed after curing. Compared with the prior art, the existing production process of the inner liner is to wind a film on an inner liner winding device, pour glue and finally solidify to form the inner liner, the process method is easy to cause waste of the glue in the operation process, the thickness of the inner liner cannot be controlled in one-time operation, or the inner liner can reach a certain thickness only by multiple times of solidification, the operation is complex, the time waste is much, and the condition that the thickness of the inner liner is uneven after solidification is easily caused, so that the product quality is influenced; the method of laying bamboo fiber and glue on the film in advance is adopted, so that the adhesion between the glue and the film and between the film and the film is better, and the consistency of the thickness of each part of the lining layer is better kept; the bamboo fiber is added, so that the strength of the inner liner can be further enhanced, the putting proportion of glue and the fiber is easy to control during operation, and the thickness of the inner liner is easy to control. The inner liner production equipment can also be used for rolling a certain film on the rolling device according to production requirements, then starting the bamboo fiber feeding device and the glue feeding device, and further enhancing the moisture-proof effect of the inner liner.

As shown in fig. 2 to 3, as a preferred embodiment, the bamboo fiber feeding device 2 comprises a bamboo fiber feeding frame 202, a bamboo fiber feeding port 201, a bamboo fiber conveying chain and a web forming assembly 205 for feeding the bamboo fibers on the bamboo fiber conveying chain to the film conveying device 3, wherein the bamboo fiber feeding port 201 is located at a position right above the inlet of the bamboo fiber conveying chain, and the bamboo fiber feeding port 201 and the web forming assembly 205 are both fixedly installed on the bamboo fiber feeding frame 202.

In a preferred embodiment, a baffle 214 is installed between the bamboo fiber feed port 201 and the bamboo fiber conveying chain.

As a preferred embodiment, the bamboo fiber conveying chain comprises a bamboo fiber conveying roller set, a bamboo fiber conveying motor 215 and a bamboo fiber conveying belt 211, the bamboo fiber conveying roller set comprises a bamboo fiber conveying driving roller (not shown) and a bamboo fiber conveying driven roller 216, the bamboo fiber conveying motor 215 is installed on the bamboo fiber feeding device 2 to drive the bamboo fiber conveying driving roller to rotate, and the bamboo fiber conveying driving roller drives the bamboo fiber conveying driven roller 216 to rotate through the bamboo fiber conveying belt 211.

As shown in fig. 3 to 4, as a preferred embodiment, a breaking roller assembly 203 for breaking up the bamboo fibers is further provided right above the bamboo fiber conveying chain. The scattering roller assembly 203 comprises a scattering motor 235, a first scattering roller 231 and a second scattering roller 233, the scattering motor 235 is fixedly installed on the bamboo fiber feeding frame 202, the central shaft of the first scattering roller 231 is fixedly installed on the rotating shaft of the scattering motor 235, and the first scattering roller 231 and the second scattering roller 233 are driven by a scattering belt 232. The first scattering roller 231 and the second scattering roller 233 are at the same height and the central axis direction is perpendicular to the conveying direction of the bamboo fiber conveying chain. Beater 234 for beating up bamboo fibers is uniformly distributed on the surfaces of the first beating roller 231 and the second beating roller 233. More than two groups of scattering roller wheel assemblies 203 are distributed right above the bamboo fiber conveying chain 211 along the length direction.

As shown in fig. 2 and 5, the web forming assembly 205 comprises a web forming roller set, a transfer roller 254 and a web forming fiber material channel 207, wherein the web forming roller set is installed at the outlet of the bamboo fiber conveying chain, the transfer roller 254 is positioned between the web forming roller set and the inlet of the web forming fiber material channel 207, and the outlet of the web forming fiber material channel 207 is positioned at the position right above the film conveying device 3.

As a preferred embodiment, an air supply assembly for transferring the bamboo fibers on the transfer roll 254 to the web-forming fiber distribution channel 207 is provided above the transfer roll 254. The air supply assembly comprises a fan 204 and an air deflector 206 for guiding the air supply direction, the fan 204 is fixedly arranged on the bamboo fiber feeding rack 202, the upper end of the air deflector 206 is arranged at the lower edge of the fan 204, the lower end of the air deflector 206 extends to the roll surface of the transfer roll 254, and the inlet of the web-formed fiber material distribution channel 207 is positioned at one side of the transfer roll 254, which is far away from the air deflector 206. The web-forming roller set comprises an upper web-forming roller (not shown) and a lower web-forming roller 252 which are arranged up and down, and a transition plate 253 used for transferring the bamboo fibers to the lower web-forming roller 252 is arranged between the bamboo fiber conveying chain outlet and the lower web-forming roller 252. A number of transition plates 253 can be mounted on the lower laying roll 252. The net-forming roller set also comprises a net-forming motor 251, the central shaft of the upper net-forming roller is fixedly arranged on the rotating shaft of the net-forming motor 251, and the upper net-forming roller and the lower net-forming roller 252 are in meshing transmission through a gear 255. The upper and lower web forming rollers 252 and the transfer roller 254 are rotated by the meshing of gears 255. The outlet of the fiber-forming material passage 207 at the end close to the film conveying device 3 is shaped as a strip outlet.

The bamboo fiber feeding device is characterized in that the scattering roller wheel assembly is arranged in the bamboo fiber feeding device, so that the bamboo fibers fed into the bamboo fiber feeding device can be scattered, the phenomenon that the bamboo fibers are caked and agglomerated after the bamboo fibers are fed into the bamboo fiber feeding device can be avoided, and the bamboo fiber feeding device can be more uniform and is not too thick when being laid on a film. The net forming component is used for further scattering the bamboo fibers thrown into the device, and comprises a net forming roller set, the net forming roller set is provided with an upper net forming roller and a lower net forming roller, a transition plate is arranged on the lower net forming roller, the bamboo fibers conveyed on the bamboo fiber conveying chain can be better conveyed to the transfer roller, and the transition plate arranged on the lower net forming roller can only convey the bamboo fibers to a certain extent, so that the quantity of the conveyed bamboo fibers in each time can be better ensured to be within a certain range; the bamboo fibers conveyed from the lower web forming roller are further scattered by the transfer roller, and then the air supply assembly blows the bamboo fibers on the transfer roller out towards an outlet of a web forming fiber distribution channel through an air deflector, so that the bamboo fibers are uniformly laid on the film; the upper net forming roller can prevent bamboo fibers from flying in disorder in the conveying process to a certain extent, and plays a certain role in shielding interference.

In a preferred embodiment, the transfer roller 254 is provided with a beater on the surface.

As shown in fig. 2 to 3, as a preferred embodiment, a negative pressure device for attaching the bamboo fibers to the bamboo fiber conveying chain is provided between the bamboo fiber conveying chain and the film conveying device 3. The negative pressure device comprises a suction fan 208 and a suction duct 210 for sucking air, wherein suction through holes (not shown) are uniformly distributed on the upper surface of the suction duct 210. The upper surface of the air suction pipeline, on which air suction through holes are uniformly distributed, is detachably mounted on the air suction pipeline 210. The negative pressure device further comprises a fiber filtering pipeline 209 for secondary filtering, a fiber filtering plate 2091 is arranged on one side of the fiber filtering pipeline 209 close to the suction fan 208, and a filtering mesh (not shown) is arranged on the fiber filtering plate 2091. The specific negative pressure device is sequentially arranged below the bamboo fiber conveying chain and above the film conveying device 3 along the conveying direction of the film conveying device 3 according to a suction fan 208, a fiber filtering pipeline 209 and a suction pipeline 210.

Negative pressure device is provided with the through-hole and the air suction pipeline of induced drafting, and the in-process is broken up in the bamboo fibre transport, and the device of induced drafting can adsorb the bamboo fibre that drops on the bamboo fibre conveying chain in the process of breaking up on the air suction pipeline to keep the clean and tidy of the inside environment of bamboo fibre feeder, can not take place the bamboo fibre in the bamboo fibre feeder condition that flies in disorder everywhere, and can realize the fibrous reutilization of bamboo.

In a preferred embodiment, the wind power of the suction fan 208 in the negative pressure device is less than half of the wind power of the fan 204 in the air supply assembly.

As shown in fig. 1 and 7, the glue feeding device 4 is located at a position behind the outlet of the bamboo fiber feeding device 2 as a preferred embodiment. The glue feeding device 4 comprises a nozzle assembly 402 for spraying glue, the nozzle assembly 402 is arranged above the film conveying device 3, and the spraying width of the nozzle assembly 402 on the film is larger than the setting width of the film.

The width that sprays that sets up nozzle assembly is greater than the film width, can make the film fully rubberize when spouting the glue to the device still is provided with the accumulator, and the cooperation accumulator uses, can make unnecessary glue be sent mucilage binding again and put the utilization, resources are saved, and whole production flow is environmental protection more simultaneously, also accords with people more and uses the environmental protection theory that the compound pipe of bamboo winding.

As a preferred embodiment, the glue feeding device 4 further comprises a recovery tank 403 for recovering glue, the recovery tank 403 being mounted at a position below the film feeding device 3. The glue feeding device 4 further comprises a glue storage tank 401 for storing glue, an outlet of the recovery tank 403 is connected with an inlet of the glue storage tank 401, and an outlet of the glue storage tank 401 is connected with an inlet of the nozzle assembly 402. The recovery tank 403 is further provided with a glue feeding and heat preserving device (not shown). For keeping the glue recovered in the recovery tank 403 in a liquid state for a long time. Glue storage tank 401 is further equipped with an inner liner pump body (not shown) for recovering the glue in recovery tank 403 to glue storage tank 401. Glue after retrieving can be utilized by the mucilage binding that send again through the accumulator, resources are saved, and whole production flow is environmental protection more simultaneously, also accords with the environmental protection theory that people used the compound pipe of bamboo winding more.

As shown in fig. 6, as a preferred embodiment, a glue applicator for applying glue to the film is further provided at a position in front of the outlet of the bamboo fiber feeding device 2. The gluing device is arranged at the front position close to the outlet of the bamboo fiber feeding device 2, and comprises one or more gluing nozzle groups 212 which are arranged along the conveying direction vertical to the film conveying device 3, and the gluing nozzle group 212 comprises a plurality of gluing nozzles 217.

Set up the rubberizing device before bamboo fibre feeder, just adhere to the thin glue of one deck on the film before the bamboo fibre is blown off, the bamboo fibre that blows off can be better adhere to on the film, be difficult to fly in disorder everywhere, keeps the clean and tidy of production environment simultaneously, also is difficult to make other devices receive the interference.

As a preferred embodiment, the glue applying device is one of a glue applying device, a glue pouring device or a glue spraying device.

As shown in fig. 2, as a preferred embodiment, the film conveying device 3 is further provided with a dust cover 213, and the dust cover 213 is disposed on the outlet side of the bamboo fiber feeding device 2. Specifically, the outlet of the dust cover 213 is further provided with a dust-proof cloth strip. The fibers are better retained within the confines of the dust shield while venting and do not interfere with film transport.

The arrangement of the dust cover is beneficial to ensuring that blown bamboo fibers are not easy to diffuse into a production environment and is beneficial to cleanness and tidiness of the production environment, and the dust cover can lock the airflow of the air supply assembly in the dust cover to a certain degree, so that the airflow can be randomly distributed in the dust cover to a certain degree and can be distributed more uniformly when finally falling on the film; and finally, the dust cover is designed to prevent other impurities from falling on the film in the production process.

As shown in fig. 8 to 9, as a preferred embodiment, the inner liner winding device 5 includes a winding mold roller 501 for winding a material and a hot press roller 535 for hot-pressing a film on a surface of the winding mold roller 501, and the hot press roller 535 is installed above the winding mold roller 501.

As a preferred embodiment, the inner liner winding device 5 further includes a winding frame 502 and a winding motor 511, the winding motor 511 is fixedly mounted on the winding frame 502, and a central shaft of the winding mold roller 501 is fixedly mounted on a rotating shaft of the winding motor 511.

As a preferred embodiment, the inner liner winding device 5 further comprises a hot pressing rack 534, the hot pressing roller 535 is mounted on the hot pressing rack 534, a hot pressing roller motor 536 is mounted on the hot pressing rack 534, and a central shaft of the hot pressing roller 535 is fixedly mounted on a rotating shaft of the hot pressing roller motor 536; the hot-pressing rack 534 is also provided with a strip-shaped groove 537 for the hot-pressing roller 535 to move up and down along the vertical direction, and two ends of the hot-pressing roller 535 are arranged in the strip-shaped groove 537; the hot pressing rack 534 further comprises a hot pressing elastic component, the hot pressing elastic component comprises a guide shaft 531 and an extension spring 532, and the extension spring 532 is sleeved on the guide shaft 531; two ends of the hot pressing roller 535 are provided with vertical guiding through holes (not shown), the bottom of the strip-shaped groove 537 is further provided with a hot pressing limiting plate 533 which extends outwards and is horizontally arranged, and the guiding shaft 531 penetrates through the guiding through holes to be fixedly connected with the hot pressing limiting plate 533. Specifically, the heat-pressing roller 535 is provided with a heat-generating component therein, which is prior art and will not be described in detail.

When the film of attaching to bamboo fibre and glue is sent into in the package, the rolling mould is rotatory under coiling motor's effect, drives the film winding on the mould, and through the hot pressing of hot pressing roller, can twine, the compacter that bonds between the film, inseparable to make adnexed glue more even on the whole film.

As shown in fig. 9, as a preferred embodiment, the rolling machine frame 502 is provided with an inner liner glue recycling system.

Specifically, as a preferred embodiment, the end of the film feeding device 3 near the winding-up die roller 501 is inclined upward, and the film is fed from between the heat-pressing roller 535 and the winding-up die roller 501 and wound on the winding-up die roller 501.

When the mode that the film is fed between the hot pressing roller and the winding mold roller and is wound on the winding mold roller is adopted, the hot pressing roller only carries out hot pressing when the last circle of film is wound.

As shown in fig. 9, as a preferred embodiment, a guiding platform 60 is disposed on the liner layer rolling frame 502, and the guiding platform 60 is a smooth arc surface inclined from low to high in the film conveying direction. The guide platform allows the film to be wound up from the bottom of the wind-up die roll onto the wind-up die roll 501.

In a preferred embodiment, the guiding platform 60 is composed of a smooth-surfaced guiding roller 62, and the guiding roller 62 can be an active guiding roller or a passive guiding roller. Adopt the smooth guide roll wheel in surface to constitute guide platform can be better carry out glue and retrieve. In particular, a scraper 61 for scraping off excess glue is further arranged on one side of the guiding platform.

As a preferred embodiment, the device further comprises a reinforced layer production device.

As shown in fig. 1, as a preferred embodiment, the enhancement layer production equipment includes a carrier cloth feeding device 6, a thin bamboo strip feeding device 8, an enhancement layer winding device 5, and a carrier cloth conveying device 10 for conveying the carrier cloth to the enhancement layer winding device 5, where the thin bamboo strip feeding device 8 is located right above the carrier cloth conveying device 10.

The carrier cloth roll feeding device is used for accommodating carrier cloth used for bearing bamboo skin, and under the conveying of the carrier cloth conveying device, the carrier cloth is put in one layer of bamboo skin on the carrier cloth by the bamboo skin feeding device when passing through the bamboo skin feeding device, and then is fed into the enhancement layer roll feeding device to be rolled, so that the enhancement layer is wound on the die.

As shown in fig. 10 to 12, as a preferred embodiment, the bamboo strip feeding device 8 includes a gantry bamboo strip feeding frame and a bamboo strip feeding unit 802, the gantry bamboo strip feeding frame includes a feeding beam 801 perpendicular to the carrier cloth conveying direction, and more than one bamboo strip feeding units 802 are mounted on the bamboo strip feeding beam 801 and can move along the length direction of the bamboo strip feeding beam 801.

As a preferred embodiment, the bamboo skin feeding unit 802 includes a bamboo skin feeding groove 823 and a bamboo skin transverse moving component for driving the bamboo skin feeding groove 823 to move back and forth on the bamboo skin feeding cross beam 801, the bamboo skin transverse moving component is installed on the bamboo skin feeding cross beam 801, and the bamboo skin feeding groove 823 is installed at an output end of the bamboo skin transverse moving component.

As a preferred embodiment, a groove rotating assembly (not shown) for controlling the bamboo strip feeding groove 823 to rotate in the vertical direction is further installed on the bamboo strip feeding cross beam 801.

As a preferred embodiment, the bamboo skin transverse moving assembly comprises a bamboo skin transverse moving motor 821 and a transverse moving screw rod 822, the bamboo skin transverse moving motor 821 is fixedly installed on the bamboo skin feeding beam 801, the transverse moving screw rod 822 is fixedly installed on a rotating shaft of the bamboo skin transverse moving motor 821, and the bamboo skin feeding groove body 823 is sleeved outside the transverse moving screw rod 822. The bamboo skin feed trough 823 is fixedly provided with a transverse moving mounting disc (not shown), the transverse moving mounting disc is provided with a screw rod sleeve hole (not shown) for sleeving the transverse moving screw rod 822, and the inner wall of the screw rod sleeve hole is provided with an internal thread matched with the external thread of the screw rod.

As a preferred embodiment, a traverse slide rail (not shown) is installed in the length direction of the bamboo skin feeding beam 801, and a traverse slide block (not shown) is arranged at a position of the bamboo skin feeding groove 823 corresponding to the traverse slide rail.

As a preferred embodiment, a thin bamboo strip feeding roller assembly for active feeding is installed in the thin bamboo strip feeding groove 823, a thin bamboo strip feeding opening 824 through which the thin bamboo strips pass is formed in the bottom of the thin bamboo strip feeding groove 823, and the thin bamboo strip feeding roller assembly is located right above the thin bamboo strip feeding opening 824.

As a preferred embodiment, the thin bamboo strip feeding roller assembly includes a first thin bamboo strip feeding roller 825, a second thin bamboo strip feeding roller 826 and a thin bamboo strip feeding motor 804, the thin bamboo strip feeding motor 804 is fixedly installed on the thin bamboo strip feeding groove 823, a central shaft of the first thin bamboo strip feeding roller 825 is fixedly installed on a rotating shaft of the thin bamboo strip feeding motor 804, and the second thin bamboo strip feeding roller 826 and the first thin bamboo strip feeding roller 825 are driven by a gear 255.

As a preferred embodiment, the first skin feed roller 825 has two or more annular skin feed notches 827 uniformly distributed along the axial direction, and a central axis of the annular skin feed notches 827 is coaxial with the first skin feed roller 825.

As a preferred embodiment, the second thin bamboo strip feeding roller 826 has more than two annular thin bamboo strip feeding notches 827 uniformly distributed along the axial direction, or the first thin bamboo strip feeding roller 825 and the second thin bamboo strip feeding roller 826 have more than two annular thin bamboo strip feeding notches 827 uniformly distributed along the axial direction, and the central axis of the annular thin bamboo strip feeding notch 827 is coaxial with the second thin bamboo strip feeding roller 826 or the central axes of the first thin bamboo strip feeding roller 825, the second thin bamboo strip feeding roller 826 and the annular thin bamboo strip feeding notch 827 are coaxial.

In a preferred embodiment, a bamboo strip feeding opening 824 is formed right below each annular bamboo strip feeding notch 827.

In a preferred embodiment, the axial direction of the first bamboo strip feeding roller 825 is parallel to, perpendicular to or at any fixed angle with the length direction of the feeding beam 801. Or the axial direction of the second bamboo strip feeding roller 826 is parallel to, perpendicular to or at any fixed angle with the length direction of the feeding beam 801.

As a preferred embodiment, two or more gantry bamboo strip feeding frames are arranged on the carrier cloth conveying device 10 along the carrier cloth conveying direction, and each gantry bamboo strip feeding frame is provided with one or more bamboo strip feeding units 802.

As shown in fig. 19, as a preferred embodiment, the bamboo skin feeding device 8 further includes a bamboo skin feeding control system, the bamboo skin feeding control system includes a feeding control microprocessor 80, a feeding roller control unit 83 for controlling the rotation speed of the first and second bamboo skin feeding rollers, a traverse control unit 84 for controlling the traverse speed of the bamboo skin feeding unit 802, a conveying device control unit 85 for controlling the conveying speed of the carrier cloth conveying device, a process editing inlet 81 for editing process parameters, and a storage unit 82 for storing process data, wherein the input end of the feeding control microprocessor 80 is connected with the process editing inlet 81, the feeding control microprocessor 80 is bidirectionally connected with the storage unit 82, and the output end of the feeding control microprocessor 80 is connected with the input ends of the feeding roller control unit 83, the transverse movement control unit 84 and the conveying device control unit 85. Different bamboo splits arrangement modes can be achieved by adjusting the speed of the three parts, which is the prior art and is not described in detail.

In the prior art, the production of the enhancement layer is to connect bamboo strips end to form bamboo strip strips, then coat resin on the bamboo strip strips, wind the bamboo strip strips on the inner liner, and cure the bamboo strip strips to form the enhancement layer; the weaving process of the thin bamboo strips is complex and tedious, and the arrangement and overlapping combination modes among the bamboo strips are few, so that the production requirements of different structures cannot be well met. Compared with the prior art, the bamboo skin feeding device in the device can uniformly put the bamboo skins on the carrier cloth, and can change the putting form of the bamboo skins by moving back and forth in the length direction of the bamboo skin feeding beam and controlling the speed; set up a plurality of thin bamboo strips used for weaving material feeding unit, carry out the material feeding unit debugging in advance, the thin bamboo strips used for weaving of putting in both can be along the direction tiling that is on a parallel with the conveyer belt direction, also can be multilayer thin bamboo strips used for weaving alternately multiple forms such as the multilayer tiling is in the same place, satisfies different technological demands. Still install on the thin bamboo strips used for weaving pay-off crossbeam and be used for controlling thin bamboo strips used for weaving pay-off cell body along the rotatory cell body rotating assembly of vertical direction, and the axial of first thin bamboo strips used for weaving pay-off running roller with pay-off crossbeam length direction can be parallel, perpendicular or be arbitrary fixed angle setting, and the flexibility of thin bamboo strips used for weaving pay-off can further be increased to the two, increases the variety of laying the thin bamboo strips used for weaving mode.

As shown in fig. 13 to 14, as a preferred embodiment, the bamboo strip feeding device 8 includes a bamboo strip emptying component and a bamboo strip refining component which are sequentially arranged, and an outlet of the bamboo strip refining component is located right above the carrier cloth conveying device 10. The bamboo skin refining component comprises a first bamboo skin conveying roller 833, a second bamboo skin conveying roller 834 and a bamboo skin homogenizing material belt 831 sleeved outside the first bamboo skin conveying roller 833 and the second bamboo skin conveying roller 834, and the bamboo skin refining roller 835 for refining is mounted on the bamboo skin homogenizing material belt 831. The bamboo strip mounting grooves 832 are uniformly distributed on the bamboo strip uniform material strip 831 along the length direction, and the length direction of the bamboo strip mounting grooves 832 is perpendicular to the movement direction of the bamboo strip uniform material strip 831. The bamboo skin refining roller 835 is uniformly distributed with refining beater (not shown), the distance between the end of the refining beater and the bamboo skin refining belt 831 is less than or equal to the thickness of the bamboo skin.

And adopting a bamboo skin refining belt to throw in the bamboo skins. The bamboo splits are put on the bamboo splits refining belt, and the bamboo splits put on the bamboo splits refining belt can be evenly put into the bamboo splits mounting groove on the bamboo splits refining belt under the refining action of the refining beater on the bamboo splits refining roller, and are transported to the carrier cloth along with the bamboo splits mounting groove.

As a preferred embodiment, the thin bamboo strip placing assembly includes a first thin bamboo strip placing roller 837, a second thin bamboo strip placing roller 838, and a thin bamboo strip placing belt 836 covering the first thin bamboo strip placing roller 837 and the second thin bamboo strip placing roller 838.

The bamboo skin is put on the bamboo skin refining strip through the bamboo skin discharging assembly, and under the refining action of the refining beater on the bamboo skin refining roll, the bamboo skin put on the bamboo skin refining strip can be uniformly put into the bamboo skin mounting groove on the bamboo skin refining strip and transported to the carrier cloth along with the bamboo skin mounting groove. In addition, the bamboo skin even material belt is independently used, and the same effect can be achieved by manually uniformly paving the bamboo skin in the bamboo skin installation groove of the bamboo skin even material belt.

As shown in fig. 15, as a preferred embodiment, the carrier cloth conveying device 10 is further provided with a bamboo strip fixing device 9 for fixing the bamboo strips on the carrier cloth. The bamboo skin fixing device is more favorable for preventing the bamboo skin from running disorderly when being wound and wound, and the winding effect is better. The bamboo strip fixing device 9 is a sewing device 901 or a spunlace composite device 902, and the bamboo strip fixing device 9 is installed at the rear position of the bamboo strip feeding device 8.

The bamboo skin fixing device is more favorable for preventing the bamboo skin from running disorderly when being wound and wound, and the winding effect is better.

As a preferable embodiment, the sewing device 901 comprises a sewing machine frame and a sewing assembly 911, the sewing machine frame is provided with a sewing cross beam 912 perpendicular to the carrier cloth conveying direction, and the sewing assembly 911 is mounted on the sewing cross beam 912 and can move back and forth along the length direction of the sewing cross beam 912. The sewing beam 912 is provided with a sewing driving assembly (not shown) for driving the sewing assembly.

As shown in fig. 16, as a preferred embodiment, the hydroentangling complex 902 includes a hydroentangling frame, a hydroentangling assembly, a water supply device 922 and a gas supply device 923, wherein the hydroentangling frame is provided with a hydroentangling beam 921 perpendicular to the transport direction of the carrier fabric, the hydroentangling assembly is mounted on the hydroentangling beam 921 and can move back and forth along the length direction of the hydroentangling beam 921, the outlet of the water supply device 922 is connected to the water inlet of the hydroentangling assembly, and the outlet of the gas supply device 923 is connected to the gas inlet of the hydroentangling assembly. The spunlace assembly comprises a spunlace housing 924 and spunlace nozzles 925 uniformly distributed in the spunlace housing 924, the spunlace housing 924 and a water supply device 922 are mounted on a spunlace beam 921, a water outlet of the water supply device 922 is communicated with the upper end of the spunlace nozzles 925, and an outlet of an air supply device 923 is communicated with the side wall of the spunlace nozzles 925.

In a preferred embodiment, the carrier cloth conveying device 10 is further provided with a fiber feeding device 7 for laying a fiber layer on the carrier cloth. The structure of the fiber feeding device 7 is the same as that of the bamboo fiber feeding device 2.

Production of enhancement layer among the prior art is that the winding is on the inner liner after smearing the resin on the thin bamboo strips used for weaving rectangular, and the solidification forms the enhancement layer, because the interval gap is big between thin bamboo strips used for weaving and the thin bamboo strips used for weaving, not only causes glue to drip extravagantly when smearing the resin easily, and after the solidification, also there are many glues to pour insufficient place on the enhancement layer easily, and the bonding between thin bamboo strips used for weaving and the thin bamboo strips used for weaving is inseparable enough, and enhancement layer intensity can not reach the requirement. Increase the fibre in the enhancement layer, can strengthen the bonding degree between carrier cloth and the thin bamboo strips used for weaving to, absorption glue that can be more, whole enhancement layer is more closely knit, and the fibre promotion enhancement layer intensity that also can be fine.

As a preferred embodiment, when the bamboo skin fixing device 9 is the sewing device 901, the reinforcing layer production equipment is arranged in sequence according to the fiber feeding device 7, the bamboo skin feeding device 8 and the bamboo skin fixing device 9. When the bamboo strip fixing device is the spunlace composite device 902, the enhancement layer production equipment is sequentially arranged according to the bamboo strip feeding device 8, the fiber feeding device 7 and the bamboo strip fixing device 9. The carrier cloth can be non-woven cloth or grid cloth.

As a preferred embodiment, the enhancement layer winding device 5 includes a winding frame 502, a winding mold roller 501 for winding the material, a winding motor 511, and an enhancement layer glue spraying device 20 for spraying glue on the surface of the winding mold roller 501, and the enhancement layer glue spraying device 20 is located above the winding mold roller 501. And the enhancement layer glue spraying device sprays glue to the wound enhancement layer, and the enhancement layer of the bamboo fiber wound composite pipe is formed after final curing. The enhancement layer windup 5 further comprises an enhancement glue recovery system for recovering glue dripping from the windup mould roller 501. The dropped glue of the enhancement layer is recycled, and the glue can be drawn immediately while being recycled, so that the glue is introduced into the enhancement layer glue spraying device, the whole process is more environment-friendly, and the cost is reduced.

As shown in fig. 9 and fig. 17, as a preferred embodiment, the reinforced glue recovery system includes a recovery tank 71, a reinforced glue storage tank 72 and a reinforced glue recovery pipeline 73, the recovery tank 71 is located right below the winding mold roller 501, an outlet of the recovery tank 71 is communicated with the reinforced glue storage tank 72 through the reinforced glue recovery pipeline 73, and the reinforced glue storage tank 72 is communicated with the reinforced layer glue spraying device 20 through the reinforced glue recovery pipeline 73. A pump body (not shown) for conveying the glue is arranged on the reinforced glue recovery pipeline 73 between the recovery tank body 71 and the reinforced glue storage tank body 72, and on the reinforced glue recovery pipeline 73 between the reinforced glue storage tank body 72 and the reinforced glue spraying device 20. An outlet of the recovery tank 71 is provided with an impurity removal filter screen (not shown) for removing impurities and filtering the glue. The edulcoration filter screen can filter the bamboo fibre or other fibre that drop along with glue, and the glue of final recovery will not have impurity, also is difficult to damage the enhancement layer and spouts the mucilage binding and put. The reinforcement layer recycling system also includes a reinforcement layer insulation system 70 for maintaining the temperature of the glue. So that the dripping glue remains liquid all the time.

In a preferred embodiment, the conveying directions of the film conveying device 3 and the carrier cloth conveying device 10 are opposite, the outlet of the film conveying device 3 is opposite to the outlet of the carrier cloth conveying device 10, and a winding frame translation rail 43 is arranged between the outlet and the carrier cloth conveying device 10, and the reinforcing layer winding device 5 is mounted on the winding frame translation rail 43 and can slide along the length direction of the winding frame translation rail 43.

As shown in fig. 18, as a preferred embodiment, a glue spraying frame 40 is further disposed between the outlet of the film conveying device 3 and the outlet of the carrier cloth conveying device 10, the glue spraying frame 40 includes glue spraying columns 41 disposed at two ends of a rolling frame translation rail 43, a glue spraying beam 42 parallel to the rolling frame translation rail 43 is disposed between top ends of the glue spraying columns 41, and the reinforcing layer glue spraying device 20 is mounted on the glue spraying beam 42 and can slide along the length direction of the glue spraying beam 42.

Set up rolling frame translation track and be equipped with and spout gluey frame, can let the coiling mechanism make a round trip to translate between lining layer and enhancement layer, make things convenient for device adjustment position, also can switch different production flow in a flexible way, make things convenient for manufacturing.

In a preferred embodiment, the film feeding device 3 and the carrier cloth feeding device 10 are fed in the same direction, wherein the axial direction of the winding mold roller 501 on the winding device 5 is the same as the length direction of the winding frame translation rail 43.

As a preferred embodiment, the device also comprises an outer protective layer production device for spraying the outer protective layer.

As shown in fig. 9 and fig. 18, as a preferred embodiment, the outer protective layer production equipment includes an outer protective layer glue spraying device 30, a winding frame 502 and a winding mold roller 501 for winding materials, wherein the outer protective layer glue spraying device 30 is located above the winding mold roller 501.

As a preferred embodiment, the outer protective layer production equipment further comprises an outer protective glue recycling system for recycling the glue dripping from the rolling mold roller 501. The outer protection glue recovery system comprises a recovery groove body 71, an outer protection glue storage tank body 72 and an outer protection glue recovery pipeline 73, the recovery groove body 71 is located under the rolling mold roller 501, the outlet of the recovery groove body 71 is communicated with the outer protection glue storage tank body 72 through the outer protection glue recovery pipeline 73, and the outer protection glue storage tank body 72 is communicated with the outer protection glue spraying device 30 through the outer protection glue recovery pipeline 73.

The same design has protection glue recovery system in the outer protective layer production manufacturing process, and the same with recovery cell body and enhancement layer recovery system that set up in the inner liner manufacturing process, all can realize the recycle of glue, and whole production flow is environmental protection more, and the material of fabulous reduction is extravagant.

As a preferred embodiment, a pump body (not shown) for delivering glue is installed on the outer protection glue recycling pipeline 73 between the recycling groove body 71 and the outer protection glue storage tank body 72, and on the outer protection glue recycling pipeline 73 between the outer protection glue storage tank body 72 and the outer protection glue spraying device 30.

As a preferred embodiment, an outlet of the recovery tank 71 is provided with an impurity removing filter screen (not shown) for removing impurities and filtering the glue. The same advantages are achieved with the impurity removal filter screen arranged in the enhancement layer recovery system.

As shown in fig. 20-21, as a preferred embodiment, the surface of the winding mold roller 501 is provided with a doctor blade assembly for doctor-coating glue on the surface thereof.

As a preferred embodiment, the blade coating assembly includes a blade coating tank 31 and a blade coating seat 37, the blade coating tank 31 is an arc curved surface coaxial with the winding mold roller, at least one scraper 33 is installed in the blade coating tank 31, and the length direction of the scraper 33 is parallel to the axis of the winding mold roller 501.

As a preferred embodiment, a slot body mounting block 34 is arranged on the back of the blade coating slot body 31, a blade coating chute 32 is arranged at a position of the blade coating seat body 37 corresponding to the slot body mounting block 34, the slot body mounting block 34 is installed in the blade coating chute 32 and can slide along the length direction of the blade coating chute 32, and the blade coating chute 32 is an arc curve coaxial with the winding die roller 501.

In a preferred embodiment, a chute driving assembly for controlling the sliding of the blade chute 31 along the length direction of the blade chute 31 is mounted on the chute mounting block 37.

As a preferred embodiment, the tank driving assembly includes a tank driving cylinder 36 and a tank connecting link 35; one end of the trough body connecting rod 35 is connected with the movable end shaft of the trough body driving cylinder 36, and the other end is connected with the trough body mounting block 34.

The cylinder drives the scraper to continuously move along the radial direction on the surface of the mold roller, so that redundant glue on the surface of the mold roller is scraped, and in the glue scraping process, certain glue can be accumulated on one side of the scraper, so that certain compensation is performed on the place where the glue is lacked or the surface is not flat at the rear part, and the surface is smoother and smoother.

In a preferred embodiment, two parallel scrapers 33 are mounted in the blade trough 31, and a glue containing trough (not shown) for containing glue is formed between each scraper 33 and the inner wall of the blade runner.

In a preferred embodiment, a non-woven layer is attached to the upper surface of the tip of the doctor blade.

In a preferred embodiment, the nonwoven fabric layer is a needle-punched nonwoven fabric having a thickness of 0.5 to 1.5 cm.

The invention also relates to a production device of the bamboo winding composite pipe, which comprises an outer protective layer production device.

As a preferred embodiment, the outer protective layer recycling system further comprises an outer protective layer thermal insulation system 70 for maintaining the temperature of the glue. So that the dripping glue remains liquid all the time.

In a preferred embodiment, two partitions 712 are provided in the recovery tank, and a top edge of each partition 712 is provided with a rotating plate 711 which rotates in a horizontal direction around the top edge of the partition 712. Retrieve the inside three recovery cavitys of cutting apart into of cell body, a commentaries on classics board that can control the rotation is all installed at every baffle top. The glue can be guided into different recycling cavities through the rotation of the rotating plate in different procedures, so that the glue can be classified and recycled when needed.

The inner liner production equipment, the enhancement layer production equipment and the outer protective layer production equipment can be arranged on a production line and can also be used independently, when the three equipment are arranged on the same production line, a winding device and a recovery system are used together, wherein the recovery system can use an outer protective layer recovery system with three recovery cavities; the hot pressing frame on the inner liner production facility, spout mucilage binding on the enhancement layer production facility and spout the mucilage binding on the outer protective layer production facility and can install on same spouting the mucilage binding frame, and the coiling mechanism can be according to the production stage translation of difference and use with the device below to cooperate with the device. In the embodiment, the three devices are arranged on the same production line and use the external protective layer recovery system; however, the present invention is not limited to the recycling system described in this embodiment.

The specific working process comprises the following steps:

1) preparing an inner liner layer: the film in the film unreeling device passes through the rubberizing device of film conveyor top respectively through film conveyor, bamboo fibre feeder and send the mucilage binding to put, carry out the rubberizing respectively, lay bamboo fibrous layer and glue and pour the back, shift to the guide platform through film conveyor, the initiative guide running roller on the guide platform further drives the film, carry the film to the rolling mould below and begin to twine, carry out the hot pressing back through the hot pressing roller, carry out the inner liner solidification at last, the preparation of inner liner is accomplished. 2) Preparing an enhancement layer: the carrier cloth is conveyed through the carrier cloth conveying device, the carrier cloth passes through the fiber feeding device, the bamboo skin feeding device and the sewing device respectively, the pretreated enhancement layer is wound on the inner liner on the winding mold roller, after winding is finished, glue is sprayed through the enhancement layer glue spraying device, and the enhancement layer is formed through solidification at last. 3) Outer protective layer: and spraying and blade-coating an outer protective layer on the cured reinforced inner surface, and curing the outer protective layer to form a finished bamboo-wound composite pipe.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 production equipment for the outer protective layer of the bamboo-wound composite pipe is characterized by comprising an outer protective layer glue spraying device, a winding frame, a winding mold roller for winding a material and an outer protective glue recovery system for recovering glue dripped from the winding mold roller, wherein the outer protective layer glue spraying device is positioned above the winding mold roller;

the surface of the winding die roller is provided with a scraping and coating assembly for scraping and coating glue on the surface of the winding die roller, the scraping and coating assembly comprises a scraping and coating groove body and a scraping and coating base body, the scraping and coating groove body is an arc-shaped curved surface coaxial with the winding die roller, at least one scraper is installed in the scraping and coating groove body, and the length direction of the scraper is parallel to the axis of the winding die roller; a groove body mounting block is arranged on the back of the scraping coating groove body, a scraping coating sliding groove is arranged at the position, corresponding to the groove body mounting block, of the scraping coating base body, the groove body mounting block is mounted in the scraping coating sliding groove and can slide along the length direction of the scraping coating sliding groove, and the scraping coating sliding groove is an arc curve which is coaxial with the winding mold roller; the scraping and coating chute comprises a scraping and coating chute body, a chute body mounting block and a chute body connecting rod, wherein the chute body mounting block is provided with a chute body driving assembly used for controlling the scraping and coating chute body to slide along the length direction of the scraping and coating chute; one end of the tank body connecting rod is connected with the movable end shaft of the tank body driving cylinder, and the other end of the tank body connecting rod is connected with the tank body mounting block shaft.

2. The production equipment for the outer protective layer of the bamboo-wound composite pipe according to claim 1, wherein the outer protective glue recovery system comprises a recovery tank body, an outer protective glue storage tank body and an outer protective glue recovery pipeline, the recovery tank body is located under the winding mold roller, an outlet of the recovery tank body is communicated with the outer protective glue storage tank body through the outer protective glue recovery pipeline, and the outer protective glue storage tank body is communicated with the outer protective layer glue spraying device through the outer protective glue recovery pipeline.

3. The production equipment for the outer protective layer of the bamboo-wound composite pipe according to claim 2, wherein a pump body for conveying glue is mounted on each of the outer protective glue recovery pipeline between the recovery tank body and the outer protective glue storage tank body and the outer protective layer glue spraying device.

4. The production equipment for the outer protective layer of the bamboo-wound composite pipe according to claim 3, wherein an impurity removal filter screen for performing impurity removal and filtration treatment on glue is arranged at an outlet of the recovery tank body.

5. The production equipment for the outer protective layer of the bamboo-wound composite pipe according to claim 4, wherein two scrapers arranged in parallel are mounted in the scraping groove body, and a glue accommodating groove for accommodating glue is formed between each scraper and the inner wall of the scraping groove body.

6. The apparatus for producing an outer protective layer of a bamboo-wrapped composite pipe as claimed in claim 5, wherein a non-woven fabric layer is attached to the upper surface of the top end of the scraper.

7. The production equipment for the outer protective layer of the bamboo-wound composite pipe as claimed in claim 6, wherein the non-woven fabric layer is a needle-punched non-woven fabric with a thickness of 0.5-1.5 cm.

8. A bamboo-wrapped composite pipe production facility, comprising a bamboo-wrapped composite pipe outer protective layer production facility as claimed in any one of claims 1 to 7.