CN108859184B

CN108859184B - Forming process and production device of circulating water fish culture water tank

Info

Publication number: CN108859184B
Application number: CN201810748576.4A
Authority: CN
Inventors: 曹明波; 徐航涛; 陈奔
Original assignee: Wuxi Liushuiyu Intelligent Technology Co ltd
Current assignee: Wuxi Liushuiyu Intelligent Technology Co ltd
Priority date: 2018-07-10
Filing date: 2018-07-10
Publication date: 2020-05-08
Anticipated expiration: 2038-07-10
Also published as: CN108859184A

Abstract

The invention discloses a forming method and a production device of a circulating water fish culture water tank, which can adapt to products with different shapes and volumes by a curing process of customized gradient heating; the breeding water tank production device comprises a forming device and a traction device; the forming device comprises a temperature equalizer, a pre-forming die and a forming die; the resin in the inner layer of the product is fully heated through the temperature equalizer, so that the phenomenon of stress concentration and cracking caused by the temperature difference between the inside and the outside is avoided; the product is preliminarily solidified and further extruded and compacted through the preforming die, so that surface defects caused by residual air bubbles or insufficient filling in the product are avoided; through the multilayer composite design of the cutter blade, the problem of accelerated abrasion caused by the fact that the blade is not cut and radiated in time for a long time is solved, and the integral structural strength of the cutting blade is ensured; the production device of the aquaculture water tank adopting the forming method has high finished product yield and strong technological adaptability, and provides a solid technical support for the popularization of advanced aquaculture.

Description

Forming process and production device of circulating water fish culture water tank

Technical Field

The invention relates to the field of aquaculture, in particular to a forming process and a production device of a circulating water fish culture water tank.

Background

With the social development, the aquaculture industry is developed vigorously and the scale is gradually enlarged, but the influence on the ecological environment is also increased continuously. In a traditional culture mode, feces, residual bait, fish drugs and the like generated by ingestion of fish enter large water bodies such as ponds, reservoirs, lakes and the like, so that the ecological load of the water bodies is increased, and the water bodies are oxidized abundantly, the water quality is deteriorated and the like. With the national emphasis on water resource and environment protection, the extensive and pollution-intensive traditional culture mode must be banned gradually.

The mode of circulating water culture in the pond is a culture mode of small-area high-density culture, low-density ecology and circulating water body adopted in the pond, which is gradually developed in China in recent years, and can effectively remove pollution products in culture, thereby greatly reducing the harm to the environment. In addition, the existing pond internal circulation breeding technology mostly adopts cement or brick-concrete cement to build a water tank and other facilities, so that the construction difficulty is high, the construction period is long, and the water tank and other facilities cannot be carried, fish scales are easily scratched by the side wall of a cement material, so that fish stocks suffer from saprolegniasis, great economic loss is brought to breeders, and meanwhile, the cement structure is not beneficial to adding and installing of later-stage intelligent equipment and pipelines. Meanwhile, a mature assembly production device and a mature assembly production process matched with the culture water tank are not available in the market, so that the early equipment investment is obviously increased, and the rapid replication and popularization of the running water fish culture are not facilitated. Therefore, the forming process and the production device of the circulating water fish culture water tank have high yield and strong process adaptability.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides the forming process and the production device of the circulating water fish culture water tank, which have high yield and strong process adaptability.

The technical scheme is as follows: in order to achieve the purpose, the production device of the circulating water fish culture water tank comprises a forming device and a traction device; the outlet end of the forming device is arranged corresponding to the inlet end of the traction device; the forming device comprises a temperature equalizer, a pre-forming die and a forming die; the outlet end of the temperature equalizer is arranged corresponding to the inlet end of the preforming mold; the outlet end of the preforming mold is arranged corresponding to the inlet end of the forming mold; the inner walls of the preforming die and the forming die are plated with smooth corrosion-resistant metal layers; the temperature equalizer comprises a conveying pipe, a sleeve and a heat transmitter; the conveying pipe is arranged in the sleeve; the fiber bundle wrapped with the liquid resin enters a preforming mold through the conveying pipe; an observation window is arranged at the joint of the conveying pipe and the preforming mold; the heat transmitter is connected between the outer wall of the conveying pipe and the inner wall of the sleeve; an annular heating cavity is arranged in the side wall of the sleeve; the heating cavity is communicated with a hot water supply device; the inlet end and the outlet end of the heating cavity are respectively connected with the outlet end and the inlet end of the hot water supplier to form circulation;

the heat transmitter comprises a heat conducting block, a guide rod, a first fixing joint, a second fixing joint and a third fixing joint; the first fixed joint is fixedly arranged at the inlet end of the sleeve; the second fixed joint is fixedly arranged at the outlet end of the sleeve; the guide rod is arranged along the length direction of the sleeve; the first fixing joint, the second fixing joint and the third fixing joint are in sliding fit with the guide rod and move to and fro within the length range of the guide rod to adjust the position; the third fixing joint is arranged between the first fixing joint and the second fixing joint; the first fixed joint is arranged at one side close to the inlet end of the sleeve; the heat conducting block is closely attached to the conveying pipe and the sleeve; the heat conducting blocks are in sliding fit with the guide rods; a limiting pipe is fixedly arranged on the heat conducting block along the length direction of the guide rod; a spring part is fixedly arranged between the adjacent heat conducting blocks; the spring member is in a stretched state.

Further, the preforming mold comprises a first cavity and a second cavity; the inlet end of the first cavity is correspondingly connected with the outlet end of the conveying pipe; the outlet end of the first cavity is correspondingly connected with the inlet end of the second cavity; the outlet end of the second cavity is correspondingly connected with the inlet end of the forming mold; the cross section of the first cavity is larger than that of the second cavity; the joint of the first cavity and the second cavity is in round angle transition; pressure sensors are arranged in the first cavity and the second cavity; a mounting hole is formed in the fillet transition position of the first cavity and the second cavity; a temperature probe is arranged in the mounting hole in a matching way; a gap is reserved between the temperature probe and the mounting hole.

Further, the traction device comprises a fixed frame, a traction belt and a cutter; the traction belt and the cutter are arranged on the fixed frame; the traction belt comprises a first roller, an annular belt and a lifting platform; the first rollers are arranged at intervals along the traction direction; the first roller is matched with the inner side of the annular belt to drive the annular belt to rotate; the first roller is arranged on the lifting platform; the lifting platform moves in a reciprocating mode in the height direction, and the bottom of the annular belt is driven to press a formed product.

Further, a second roller is arranged at the top of the fixing frame; the upper end of the second roller is contacted with the bottom of a formed product; the second rollers are arranged at intervals along the traction direction; a rotating speed sensor is arranged on the fixed frame; the rotating speed sensor is arranged corresponding to the rotating shaft of the second roller; and anti-skid grains are arranged on the surface of the second roller along the length direction.

Further, the cutter comprises a moving platform and a cutting blade; the moving platform is arranged corresponding to the discharge hole of the traction belt; the moving platform moves in a reciprocating manner along the width direction of the formed product; the cutting blade is arranged on the moving platform and rotationally cuts the formed product; the cutting sheet comprises a blade, a shaping sheet and a heat conducting sheet; the blade is annular; one side of the blade is provided with a ring groove; heat conducting fins are attached to the two sides of the shaping fin; the shaping sheet and the heat conducting sheet are arranged in the blade in a matched mode through the annular groove; the shaping sheet, the heat conducting sheet and the blade are connected through brazing; the maximum thickness of the blade is larger than the sum of the thicknesses of the shaping sheet and the heat conducting sheets on the two sides.

Further, a molding process of the circulating water fish culture water tank comprises the following steps: the assembly part of the cultivation water tank is manufactured by a pultrusion process, and the molding process mainly comprises the following steps;

step 1, a hot water supplier works, and constant-temperature circulating hot water is input into a heating cavity, wherein the temperature of the hot water is T1;

step 2, the fiber bundle wrapped with the liquid resin enters a conveying pipe of a temperature equalizer, and a heat transmitter transmits the temperature of the heating cavity to the conveying pipe, so that the resin is heated to reduce the fluidity of the resin and prepare for subsequent curing;

the arrangement density of the heat conduction blocks at the two sides of the third fixed joint can be independently adjusted; a first heating section is arranged between the inlet end of the casing and the third fixed joint, and a second heating section is arranged between the outlet end of the casing and the third fixed joint;

the sleeve temperature regulation and control process in the first heating section comprises the following steps: firstly, the position of the third fixing joint is adjusted in a sliding mode, and the third fixing joint is fixed with the guide rod after reaching a target position; then, the first fixing section is moved in a reciprocating mode, the plurality of heat conducting blocks are kept spaced under the action force of the spring piece, when the first fixing section moves towards the direction close to the third fixing section, the spacing between the plurality of heat conducting blocks is reduced, the heat conduction quantity is increased, and the temperature of the sleeve is correspondingly increased; when the first fixed joint moves towards the direction far away from the third fixed joint, the intervals among the plurality of heat conduction blocks are increased, the heat conduction quantity is reduced, and the temperature of the sleeve is correspondingly reduced;

the sleeve is divided into the first heating section and the second heating section along the length direction, and the advantage is that the temperature T1 of the first heating section can keep the internal temperature and the external temperature of the liquid resin consistent while keeping the fluidity of the liquid resin, so that the problems of stress concentration and cracking caused by the internal temperature and the external temperature difference in the subsequent molding process are avoided; the temperature of the second heating section T2 is similar to the temperature T3 of one section in the preforming mold, and T1 is more than T2 and less than T3, so that the temperature of the resin can be increased in a short time before entering the preforming mold to avoid the stress problem caused by the temperature difference between the temperature equalizer and the preforming mold, and meanwhile, the resin is not cured in advance;

step 3, the fiber bundle wrapped with the resin enters a preforming mold from the conveying pipe for primary curing;

when the gradually solidified product enters the second cavity from the first cavity, the gradually solidified product is further extruded to become compact, so that the defect caused by insufficient surface filling can be avoided, a small amount of gas dissolved in resin can be discharged, and the performance stability of the glass fiber reinforced plastic finished product is further improved; these gases eventually exit the pre-forming die from the gap between the temperature probe and the mounting hole; the molding temperature in the first cavity is T3, the molding temperature in the second cavity is T4, T3 is more than T4, resin is quickly hardened and molded at the molding temperature of T3, the resin curing speed is reduced at the relatively low temperature of T4, the load of a traction device is reduced, a semi-finished product is prevented from being damaged by pulling, meanwhile, the temperature of the resin entering a molding die is changed, and the problem of stress cracking of the product caused by too large temperature difference is avoided;

and 4, the fiber bundle wrapped with the resin and subjected to primary curing passes through a forming die, the final curing is completed at a forming temperature of T5, the T5 is less than T4, the fiber bundle is pulled out of the forming die under the action of a traction device, and the fiber bundle is cut into glass fiber reinforced plastic components with specified length by a cutter.

Has the advantages that: according to the forming method and the production device of the circulating water fish culture water tank, products with different shapes and volumes can be adapted through a self-defined gradient heating curing process; the breeding water tank production device comprises a forming device and a traction device; the forming device comprises a temperature equalizer, a pre-forming die and a forming die; the resin in the inner layer of the product is fully heated through the temperature equalizer, so that the phenomenon of stress concentration and cracking caused by the temperature difference between the inside and the outside is avoided; the product is preliminarily solidified and further extruded and compacted through the preforming die, so that surface defects caused by residual air bubbles or insufficient filling in the product are avoided; through the multilayer composite design of the cutter blade, the problem of accelerated abrasion caused by the fact that the blade is not cut and radiated in time for a long time is solved, and the integral structural strength of the cutting blade is ensured; the production device of the aquaculture water tank adopting the forming method has high finished product yield and strong technological adaptability, and provides a solid technical support for the popularization of advanced aquaculture.

Drawings

FIG. 1 is a schematic view of a production process of a cultivation water tank assembly;

FIG. 2 is a schematic structural view of a temperature equalizer;

FIG. 3 is a schematic view of a heat exchanger;

FIG. 4 is a schematic cross-sectional transition structure of a preforming tool;

FIG. 5 is a schematic view of the draft gear configuration;

FIG. 6 is a schematic view of a blade configuration;

FIG. 7 is a schematic view of the overall structure of a cultivation water tank;

FIG. 8 is a schematic view of a construction of a built-up board;

FIG. 9 is a sectional view of the assembled panel;

FIG. 10 is a schematic illustration of the assembly of the assembled panels;

FIG. 11 is a schematic view of the engagement of the side and bottom surfaces of the sink with the connector;

FIG. 12 is a schematic view of an upper wrapping structure;

fig. 13 is a schematic illustration of the walkway installation.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

A forming process of a circulating water fish culture water tank comprises the following steps: the assembly part of the cultivation water tank is manufactured by a pultrusion process, and the molding process mainly comprises the following steps;

step 1, the hot water supplier works, and constant temperature circulating hot water is input into the heating cavity 412A, and the temperature of the hot water is T1;

step 2, the fiber bundle wrapped with the liquid resin enters a conveying pipe 411 of the temperature equalizer 41, and a heat transmitter 413 transmits the temperature of the heating cavity 412A to the conveying pipe 411, so that the resin is heated to reduce the fluidity of the resin and prepare for subsequent curing;

the arrangement density of the heat conduction blocks 413A at the two sides of the third fixed joint 413E can be independently adjusted; a first heating section is arranged between the inlet end of the sleeve 412 and the third fixed joint 413E, and a second heating section is arranged between the outlet end of the sleeve 412 and the third fixed joint 413E;

the temperature control process of the sleeve 412 is illustrated by taking the first heating section as an example: firstly, the position of the third fixing joint 413E is adjusted in a sliding mode, and the third fixing joint is fixed with the guide rod 413B after reaching the target position; then, by moving the first fixed node 413C back and forth, the plurality of heat conduction blocks 413A are kept spaced from each other under the action of the spring piece 413G, and when the first fixed node 413C moves toward the third fixed node 413E, the plurality of heat conduction blocks 413A become smaller in spacing, the heat conduction amount becomes larger, and the temperature of the sleeve 412 rises correspondingly; when the first fixing section 413C moves away from the third fixing section 413E, the intervals between the plurality of heat conduction blocks 413A become larger, the heat conduction amount becomes smaller, and the temperature of the sleeve 412 correspondingly decreases;

the advantage of dividing the sleeve 412 into the first heating section and the second heating section along the length direction is that the temperature T1 of the first heating section can keep the internal and external temperatures of the liquid resin consistent while keeping the fluidity of the liquid resin well, thereby avoiding the problems of stress concentration, cracking and the like caused by the internal and external temperature difference in the subsequent molding; the temperature of the second heating section T2 is similar to the temperature T3 of one section in the preforming mold 42, and T1 is more than T2 is more than T3, so that the temperature of the resin can be increased in a short time before entering the preforming mold 42 to avoid the stress problem caused by the temperature difference between the temperature equalizer 41 and the preforming mold 42, and the resin cannot be cured in advance;

step 3, the fiber bundle wrapped with the resin enters the preforming mold 42 from the conveying pipe 411 for primary curing;

when entering the second cavity 422 from the first cavity 421, the gradually solidified product is further extruded to become compact, which not only can avoid the defect caused by insufficient surface filling, but also can discharge a small amount of gas dissolved in the resin, thereby further improving the performance stability of the glass fiber reinforced plastic finished product; these gases eventually exit the preforming tool 42 from the gap between the temperature probe 421B and the mounting hole 421A; the molding temperature in the first cavity 421 is T3, the molding temperature in the second cavity 422 is T4, and T3 is greater than T4, the resin is rapidly hardened and molded at the molding temperature of T3, the resin curing speed is reduced at a relatively low temperature of T4, the load of the traction device 5 is reduced, the semi-finished product is prevented from being damaged by pulling, meanwhile, the temperature of the resin entering the molding die 43 is transited, and the problems of stress cracking and the like of the product caused by too large temperature difference are avoided;

and 4, the fiber bundle wrapped with the resin and subjected to primary curing passes through a forming die 43, the final curing is completed at a forming temperature T5, the T5 is less than the T4, the fiber bundle is pulled out of the forming die 43 under the action of a traction device 5, and the fiber bundle is cut into glass fiber reinforced plastic components with specified lengths through a cutter 53.

A production device of a circulating water fish culture water tank is formed by splicing glass fiber reinforced plastic components and is produced by adopting a pultrusion process according to the shape characteristics of the components; as shown in the attached figure 1, which is a schematic view of a production flow of pultrusion, a glass fiber bundle or a glass fiber layer is output from a creel 6, liquid resin is adhered to the surface after passing through a glue tank 7, then the excess resin is removed through a glue extruder 8, finally, the solidification treatment is carried out through a forming device 4, and finally, the stainless steel is formed and pulled out by a traction device 5, and then the stainless steel is cut into a water tank assembly with a specified length; the production device of the running water fish culture water tank comprises a forming device 4 and a traction device 5; the outlet end of the forming device 4 is arranged corresponding to the inlet end of the traction device 5; the forming device 4 comprises a temperature equalizer 41, a pre-forming die 42 and a forming die 43; the outlet end of the temperature equalizer 41 is arranged corresponding to the inlet end of the preforming mold 42; the outlet end of the preforming die 42 is arranged corresponding to the inlet end of the forming die 43; the inner walls of the pre-forming die 42 and the forming die 43 are plated with smooth corrosion-resistant metal layers (such as chromium and the like), so that the friction between resin and the inner wall of the die can be obviously reduced, and the pulling damage of products and the damage of overlarge load of a traction device are avoided.

As shown in fig. 2, the temperature equalizer 41 includes a delivery pipe 411, a sleeve 412 and a heat transmitter 413; the delivery tube 411 is disposed within a casing 412; the fiber bundle wrapped with the liquid resin enters the pre-forming mold 42 through the delivery pipe 411, and in addition, for the pultrusion process, the section shape of the forming device is determined by the section shapes of different products, for example, when a pipe is pultruded, a circular mold is generally used; when manufacturing hollow profiles, a die with a core die is generally used; when producing special-shaped materials, a mould with the shape close to the section of the section is mostly used; the round pipe shape of the conveying pipe 411 in fig. 2 is only used for showing the structural relationship of each component of the temperature equalizer 41, and the real cross-sectional shape of the conveying pipe 411 needs to correspond to the cross section of an actual product; an observation window is arranged at the joint of the conveying pipe 411 and the preforming mold 42 and used for mastering the viscosity degree of the resin heated by the temperature equalizer 41 and sequentially adjusting and optimizing process parameters; the heat transmitter 413 is connected between the outer wall of the delivery pipe 411 and the inner wall of the sleeve 412, and can transmit the heat of the sleeve 412 into the delivery pipe 411 to heat the resin; an annular heating cavity 412A is arranged in the side wall of the sleeve 412; the heating cavity 412A is communicated with a hot water supply; the inlet end first connecting pipe 412B and the outlet end second connecting pipe 412C of the heating cavity 412A are respectively connected with the outlet end and the inlet end of the hot water supply device to form a cycle, wherein the first connecting pipe 412B is arranged at one end of the sleeve 412 close to the preforming mold 42, and the second connecting pipe 412C is arranged at one end of the sleeve 412 far away from the preforming mold 42, so that the heat flow flows from downstream to upstream, and the rapid heat attenuation of the hot water in the heating cavity 412A along the moving direction of the resin can be avoided, thereby improving the overall heating efficiency of the sleeve 412.

As shown in fig. 3, the heat spreader 413 includes a heat conduction block 413A, a guide rod 413B, a first fixing node 413C, a second fixing node 413D, and a third fixing node 413E; the first fixed joint 413C is fixedly arranged at the inlet end of the sleeve 412; the second fixed joint 413D is fixedly arranged at the outlet end of the sleeve 412; the guide rod 413B is arranged along the length direction of the sleeve 412; the first fixing joint 413C, the second fixing joint 413D and the third fixing joint 413E are in sliding fit with the guide rod 413B and move back and forth within the length range of the guide rod 413B to adjust the position; the third fixing joint 413E is arranged between the first fixing joint 413C and the second fixing joint 413D; the first fixed joint 413C is arranged on one side close to the inlet end of the sleeve 412; the heat conducting block 413A is closely attached to the conveying pipe 411 and the sleeve 412; the heat conducting blocks 413A are in sliding fit with the guide rods 413B; a limiting pipe 413F is fixedly arranged on the heat-conducting block 413A along the length direction of the guide rod 413B, the minimum distance between the heat-conducting blocks 413A is ensured, and the maximum heating speed threshold can be set by changing the length of the limiting pipe 413F; a spring piece 413G is fixedly arranged between the adjacent heat conduction blocks 413A; the spring element 314G is in nested fit with the guide rod 413B; the spring piece 413G is in a stretched state, and when the first fixing node 413C and the third fixing node 413E do not apply a tensile force, the heat conduction block 413A maintains the maximum density under the action of the spring piece 413G, and at this time, the heat transfer efficiency is highest.

When the heat transmitter 413 is operated and adjusted, the second fixing segment 413D is firstly moved to a proper position and then fixed, and then the first fixing segment 413C and the third fixing segment 413E are moved to control the distribution density of the heat conduction blocks 413A on two sides of the second fixing segment 413D, so that the purpose of adjusting the heating temperature in a sectional manner is achieved, the resin can keep good fluidity to facilitate the subsequent process molding, and the resin on the inner layer can be sufficiently heated to avoid the problems of stress concentration and cracking.

Fig. 4 is a schematic cross-sectional view of a preforming mold 42, where the preforming mold 42 includes a first cavity 421 and a second cavity 422; the inlet end of the first cavity 421 is correspondingly connected with the outlet end of the conveying pipe 411; the outlet end of the first cavity 421 is correspondingly connected with the inlet end of the second cavity 422; the outlet end of the second cavity 422 is correspondingly connected with the inlet end of the forming die 43; the cross section of the first cavity 421 is larger than that of the second cavity 422, the first cavity is uniformly contracted along the circumferential direction of the section of the product, the size difference is determined according to the curing shrinkage rate of resin adopted in production, and the surface defect caused by insufficient filling in the production can be remarkably reduced by performing volume compression on the resin in a semi-cured state; the joint of the first cavity 421 and the second cavity 422 is in round angle transition, so that the extrusion process is more gradual, and the damage caused by overlarge local stress of the product can be avoided; pressure sensors 422C are arranged in the first cavity 421 and the second cavity 422, and an operator can adjust the heating temperature according to the feedback of the pressure sensors 422C before and after extrusion, so that the curing speed of the resin before extrusion is accelerated or delayed, and the extrusion is carried out in the most appropriate state; a mounting hole 421A is formed at the fillet transition position of the first cavity 421 and the second cavity 422; a temperature probe 421B is arranged in the mounting hole 421A in a matching manner and used for monitoring the temperature near the extrusion position; a gap is reserved between the temperature probe 421B and the mounting hole 421A, and a small amount of gas generated in the extrusion process can be discharged from the gap in time, so that the surface defect that the product is not fully filled is avoided.

As shown in fig. 5, the traction device 5 includes a fixing frame 51, a traction belt 52 and a cutter 53; the traction belt 52 and the cutter 53 are arranged on the fixed frame 51; the traction belt 52 comprises a first roller 521, an annular belt 522 and a lifting platform 523; a plurality of first rollers 521 are arranged at intervals along the traction direction; the first roller 521 is matched with the inner side of the annular belt 522 to drive the annular belt 522 to rotate; the first roller 521 is arranged on a lifting platform 523; the lifting platform 523 moves back and forth in the height direction to drive the bottom of the endless belt 522 to compress the molded product.

As shown in fig. 5, a second roller 511 is disposed on the top of the fixing frame 51; the upper end of the second roller 511 is contacted with the bottom of the formed product; the second rollers 511 are arranged at intervals along the traction direction; a rotating speed sensor 512 is arranged on the fixed frame 51; the rotating speed sensor 512 is arranged corresponding to the rotating shaft of the second roller 511, the annular belt 522 can be regarded as a driving wheel, the second roller 511 is a driven wheel, if the annular belt 522 slides relative to the surface of a product in the traction process, the real traction speed of the product is reduced, the rotating speed of the second roller 511 is correspondingly reduced, an operator monitors the rotating speed of the second roller 511 through the rotating speed sensor 512 and compares the rotating speed with the rotating speed of the annular belt 522, if the difference between the rotating speed sensor 512 and the rotating speed of the second roller 511 occurs, the relative sliding phenomenon is proved to occur, the traction device 5 has an overlarge load, the traction speed is properly reduced, and the curing process is correspondingly adjusted; the surface of the second roller 511 is provided with anti-skid lines along the length direction, which is used for increasing the friction force between the surface of the second roller 511 and the bottom edge of the product, and ensuring the accurate measurement of the rotation speed sensor 512.

As shown in fig. 5, the cutter 53 includes a moving platform 531 and a cutting blade 532; the movable platform 531 is arranged corresponding to the discharge hole of the traction belt 52; the moving platform 531 reciprocates along the width direction of the molded product; the cutting blade 532 is arranged on the movable platform 531 and rotationally cuts the formed product; as shown in fig. 6, the cutting blade 532 includes a blade 532A, a shaping blade 532B, and a heat conduction blade 532C; the blade 532A is annular; a ring groove 532D is formed in one side of the blade 532A; heat conducting fins 532C are attached to two sides of the shaping fin 532B and fixed through positioning holes 532E and positioning protrusions 532F; the shaping sheet 532B and the heat conducting sheet 532C are arranged in the blade 532A in a matched mode through the ring groove 532D; the shaping sheet 532B, the heat conducting sheet 532C and the blade 532A are connected through brazing; the maximum thickness of the blade 532A is larger than the sum of the thicknesses of the shaping sheet 532B and the heat conducting sheets 532C at two sides, so that the heat conducting sheets 532C are prevented from being in contact friction with the glass fiber reinforced plastic product in the cutting process; the multilayer composite design of the cutting blade 532 not only overcomes the problem that the blade 532A is not cut for a long time and the heat dissipation is not timely to aggravate the abrasion, but also ensures the integral structural strength of the cutting blade 532.

As shown in fig. 7, the circulating water fish culture water tank comprises a connector 1 and a splicing plate 2; the side surface and the bottom surface of the cultivation water tank are formed by splicing a plurality of splicing plates 2; the splicing mode can effectively reduce the volume of each component of the water tank, is convenient for transportation, installation and later-stage transformation, can also be used for local replacement when the water tank is damaged, and obviously reduces the maintenance cost; the connector 1 is connected and arranged at the joint of the side surface and the bottom surface of the water tank, so that the spliced planes are assembled into the water tank; as shown in fig. 8, a first clip 21 and a second clip 22 are respectively arranged at two ends of the assembling plate 2 along the splicing direction; the first clamping piece 21 and the second clamping piece 22 are parallel to each other, and FIG. 9 is a sectional view of the assembled plate; as shown in fig. 10, the first fastener 21 and the second fastener 22 of the adjacent assembled plates 2 are correspondingly arranged and are mutually nested and matched, and the nested and fixed mode not only ensures the mutual connection strength between the side plates 2, but also greatly reduces the parts for connection, and is convenient and rapid to construct.

As shown in fig. 11, a placement groove 11 is provided on an end surface of the connector 1 facing the assembled board 2; a plurality of spliced assembling plates 2 are inserted into the placing grooves 11 and are fixedly connected with the connector 1; the mutual matching part of the first clamping piece 21 and the second clamping piece 22 is fixed with the connector 1 through bolts.

As shown in fig. 12, an upper edge 23 is arranged at the top of the cultivation water tank; the bottom of the upper edge cover 23 is provided with a clamping groove 231; the top of the assembling plate 2 on the side surface of the cultivation water tank is embedded into the clamping groove 231 and is fixedly connected through bolts; the upper edge 23 extends to the outer side of the cultivation water tank in the horizontal direction; one end of the upper edge 23, which is far away from the cultivation water tank, is bent upwards to form a baffle 232; a plurality of the culture water tanks are arranged side by side; as shown in fig. 7, a walkway 233 is laid between the baffles 232 of two adjacent upper tipping edges 23 of different cultivation water tanks; the baffle 232 has the function of clamping the walkway 233 in the middle to avoid left and right movement, and is convenient to quickly position when the walkway is installed, so that the installation time is saved; the surface of the walkway can be processed into a rough surface, so that the problem that the walkway is easy to slip when walking on the glass fiber reinforced plastics can be avoided; laying the walkway can also enable the breeding personnel to walk above the breeding water tank at any time to observe the condition in the water tank.

The connector 1 and the assembling plate 2 are made of glass fiber reinforced plastic materials and are manufactured through a pultrusion process; the glass fiber reinforced plastic has lighter weight than the traditional building material cement bricks and tiles, and is convenient for field carrying and assembling; meanwhile, the glass fiber reinforced plastic also has high and low temperature resistance, corrosion resistance and ageing resistance, has extremely long service life and reduces the cost of later-stage maintenance and replacement; and when fish are bred in the water tank, the smooth surface of the glass fiber reinforced plastics can prevent saprolegniasis caused by scratching fish scales, so that the breeding safety is obviously improved.

As shown in fig. 8, a reinforcing rib 24 is arranged on one side of the splice plate 2 facing the outside of the cultivation water tank; the reinforcing ribs 24 are arranged at intervals, and the length direction of the reinforcing ribs is the same as that of the first clamping piece 21 and the second clamping piece 22; the reinforcing rib 24 can be realized by changing the shape of the pultrusion die in production, the trouble of later-stage installation is not only saved by the integrated reinforcing rib, but also the bonding strength with the plate surface is greatly improved, and the stability of the overall structure of the cultivation water tank is effectively enhanced.

The circulating flow fish culture water tank production device can adapt to products with different shapes and volumes through a self-defined gradient heating curing process, has high yield and strong process adaptability, obviously reduces the cost investment of the circulating flow fish culture water tank assembly, and provides a solid technical support for the popularization of advanced aquaculture.

The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.

Claims

1. The utility model provides a basin apparatus for producing is bred to circulating water fish which characterized in that: comprises a forming device (4) and a traction device (5); the outlet end of the forming device (4) is arranged corresponding to the inlet end of the traction device (5); the forming device (4) comprises a temperature equalizer (41), a preforming mold (42) and a forming mold (43); the outlet end of the temperature equalizer (41) is arranged corresponding to the inlet end of the preforming mold (42); the outlet end of the preforming die (42) is arranged corresponding to the inlet end of the forming die (43); the inner walls of the preforming die (42) and the forming die (43) are plated with smooth corrosion-resistant metal layers; the temperature equalizer (41) comprises a conveying pipe (411), a sleeve (412) and a heat transmitter (413); the delivery pipe (411) is arranged in the sleeve (412); the fiber bundle wrapped with the liquid resin enters a preforming mold (42) through the conveying pipe (411); an observation window is arranged at the joint of the conveying pipe (411) and the preforming die (42); the heat transmitter (413) is connected and arranged between the outer wall of the conveying pipe (411) and the inner wall of the sleeve (412); an annular heating cavity (412A) is arranged in the side wall of the sleeve (412); the heating cavity (412A) is communicated with a hot water supply device; the inlet end and the outlet end of the heating cavity (412A) are respectively connected with the outlet end and the inlet end of a hot water supply device to form a cycle;

the heat transmitter (413) comprises a heat conducting block (413A), a guide rod (413B), a first fixing joint (413C), a second fixing joint (413D) and a third fixing joint (413E); the first fixed joint (413C) is fixedly arranged at the inlet end of the sleeve (412); the second fixed joint (413D) is fixedly arranged at the outlet end of the sleeve (412); the guide rod (413B) is arranged along the length direction of the sleeve (412); the first fixing joint (413C), the second fixing joint (413D) and the third fixing joint (413E) are in sliding fit with the guide rod (413B), and the positions of the first fixing joint, the second fixing joint and the third fixing joint are adjusted in a reciprocating mode within the length range of the guide rod (413B); the third fixed joint (413E) is arranged between the first fixed joint (413C) and the second fixed joint (413D); the first fixed joint (413C) is arranged on one side close to the inlet end of the sleeve (412); the heat conducting block (413A) is closely attached to the conveying pipe (411) and the sleeve (412); the heat-conducting blocks (413A) are in sliding fit with the guide rods (413B); a limiting pipe (413F) is fixedly arranged on the heat conducting block (413A) along the length direction of the guide rod (413B); a spring piece (413G) is fixedly arranged between the adjacent heat conduction blocks (413A); the spring element (413G) is in a stretched state.

2. The circulating water fish culture tank production device of claim 1, wherein: the preforming tool (42) comprises a first cavity (421) and a second cavity (422); the inlet end of the first cavity (421) is correspondingly connected with the outlet end of the conveying pipe (411); the outlet end of the first cavity (421) is correspondingly connected with the inlet end of the second cavity (422); the outlet end of the second cavity (422) is correspondingly connected with the inlet end of the forming die (43); the cross section of the first cavity (421) is larger than that of the second cavity (422); the joint of the first cavity (421) and the second cavity (422) is in round-angle transition; pressure sensors (422C) are arranged in the first cavity (421) and the second cavity (422); a mounting hole (421A) is formed at the fillet transition position of the first cavity (421) and the second cavity (422); a temperature probe (421B) is arranged in the mounting hole (421A) in a matching way; and a gap is reserved between the temperature probe (421B) and the mounting hole (421A).

3. The circulating water fish culture tank production device of claim 1, wherein: the traction device (5) comprises a fixed frame (51), a traction belt (52) and a cutter (53); the traction belt (52) and the cutter (53) are arranged on the fixed frame (51); the traction belt (52) comprises a first roller (521), an annular belt (522) and a lifting platform (523); a plurality of first rollers (521) are arranged at intervals along the traction direction; the first roller (521) is matched with the inner side of the annular belt (522) and drives the annular belt (522) to rotate; the first roller (521) is arranged on the lifting platform (523); the lifting platform (523) moves in a reciprocating mode in the height direction to drive the bottom of the annular belt (522) to compress a formed product.

4. The circulating water fish culture tank production device of claim 3, wherein: the top of the fixed frame (51) is provided with a second roller (511); the upper end of the second roller (511) is contacted with the bottom of the formed product; the second rollers (511) are arranged at intervals along the traction direction; a rotating speed sensor (512) is arranged on the fixed frame (51); the rotating speed sensor (512) is arranged corresponding to the rotating shaft of the second roller (511); the surface of the second roller (511) is provided with anti-skid lines along the length direction.

5. The circulating water fish culture tank production device of claim 3, wherein: the cutter (53) comprises a moving platform (531) and a cutting blade (532); the moving platform (531) is arranged corresponding to the discharge hole of the traction belt (52); the moving platform (531) moves back and forth along the width direction of the formed product; the cutting blade (532) is arranged on the movable platform (531) and rotationally cuts the formed product; the cutting plate (532) comprises a blade (532A), a shaping plate (532B) and a heat conducting plate (532C); the blade (532A) is annular; one side of the blade (532A) is provided with a ring groove (532D); heat conducting fins (532C) are attached to the two sides of the shaping fin (532B); the shaping sheet (532B) and the heat conducting sheet (532C) are arranged in the blade (532A) in a matched mode through a ring groove (532D); the shaping sheet (532B), the heat conducting sheet (532C) and the blade (532A) are connected through brazing; the maximum thickness of the blade (532A) is larger than the sum of the thicknesses of the shaping sheet (532B) and the heat conducting sheets (532C) on two sides.

6. The molding process for producing the circulating water fish culture water tank by adopting the production device of claim 2 is characterized in that: mainly comprises the following steps;

step 1, the hot water supplier works, and constant-temperature circulating hot water is input into the heating cavity (412A), wherein the temperature of the hot water is T1;

step 2, the fiber bundle wrapped with the liquid resin enters a conveying pipe (411) of a temperature equalizer (41), and a heat transmitter (413) transmits the temperature of the heating cavity (412A) to the conveying pipe (411), so that the resin is heated to reduce the flowability and prepare for subsequent curing;

the arrangement density of the heat-conducting blocks (413A) on the two sides of the third fixing section (413E) can be independently adjusted; a first heating section is arranged between the inlet end of the sleeve (412) and the third fixed joint (413E), and a second heating section is arranged between the outlet end of the sleeve (412) and the third fixed joint (413E);

temperature regulation process of the sleeve (412) in the first heating section: firstly, the position of a third fixing joint (413E) is adjusted in a sliding mode, and the third fixing joint is fixed with a guide rod (413B) after reaching a target position; then, by moving the first fixed joint (413C) in a reciprocating manner, the plurality of heat conduction blocks (413A) are kept to be spaced from each other under the action of the spring piece (413G), when the first fixed joint (413C) moves towards the direction close to the third fixed joint (413E), the spacing between the plurality of heat conduction blocks (413A) is reduced, the heat conduction quantity is increased, and the temperature of the sleeve (412) is correspondingly increased; when the first fixed joint (413C) moves towards the direction far away from the third fixed joint (413E), the intervals among the plurality of heat conduction blocks (413A) are increased, the heat conduction quantity is reduced, and the temperature of the sleeve (412) is correspondingly reduced;

the sleeve (412) is divided into the first heating section and the second heating section along the length direction, and the advantage is that the temperature T1 of the first heating section can keep the internal temperature and the external temperature of the liquid resin consistent while the fluidity of the liquid resin is well kept, so that the problems of stress concentration and cracking caused by internal and external temperature difference in subsequent molding are avoided; the temperature of the second heating section T2 is similar to the temperature T3 of one section in the preforming mold (42), and T1 is less than T2 is less than T3, so that the temperature of the resin can be increased in a short time before the resin enters the preforming mold (42) to avoid the stress problem caused by the temperature difference between the temperature equalizer (41) and the preforming mold (42), and the resin can not be cured in advance;

step 3, the fiber bundle wrapped with the resin enters a preforming mold (42) from a conveying pipe (411) for primary curing;

when the gradually solidified product enters the second cavity (422) from the first cavity (421), the gradually solidified product is further extruded to become compact, so that the defect caused by insufficient surface filling can be avoided, a small amount of gas dissolved in the resin can be discharged, and the performance stability of the glass fiber reinforced plastic finished product is further improved; these gases finally leave the preforming tool (42) from the gap between the temperature probe (421B) and the mounting hole (421A); the molding temperature in the first cavity (421) is T3 ', the molding temperature in the second cavity (422) is T4, and T3 ' is greater than T4, the resin is rapidly hardened and molded at the molding temperature of T3 ', the resin curing speed is reduced at a relatively low temperature of T4, the load of the traction device (5) is reduced, the semi-finished product is prevented from being damaged by pulling, meanwhile, the resin enters the molding die (43) for temperature transition, and the problem of stress cracking of the product caused by excessive temperature difference is avoided;

and 4, the fiber bundle wrapped with the resin and subjected to primary curing passes through a forming die (43), the final curing is completed at a forming temperature T5, the T5 is less than the T4, the fiber bundle is pulled out of the forming die (43) under the action of a traction device (5), and the fiber bundle is cut into glass fiber reinforced plastic components with specified lengths through a cutter (53).