CN115071003B - Co-curing tool for chain rigging - Google Patents

Abstract

A chain rigging co-curing tool belongs to the technical field of traction rigging, and the specific scheme is as follows: the utility model provides a chain rigging co-curing frock, including external mold and a plurality of internal mold, the external mold includes external mold and lower external mold, lower external mold includes the base, lateral wall I and lateral wall II, the upper surface of base is provided with cell body I and cell body II along the length direction of base, the inside equipartition of cell body I is provided with a plurality of supporting shoe I, the inside equipartition of cell body II is provided with a plurality of supporting shoe II, a plurality of supporting shoe I and a plurality of supporting shoe II dislocation set, a plurality of internal mold detains in proper order and place on supporting shoe I and supporting shoe II in turn, the lower part of a plurality of internal mold corresponds in proper order and inserts cell body II and cell body I inside, adjacent two internal molds mutually perpendicular, every internal mold is inside all to be provided with annular die cavity. The co-curing tool can be used for curing and manufacturing the gear-free or gear chain rigging of a plurality of circular rings at one time, so that the time cost is reduced.

Description

Co-curing tool for chain rigging

Technical Field

The utility model belongs to the technical field of traction rigging, and particularly relates to a co-curing tool for manufacturing a light high-energy corrosion-resistant chain rigging by using a continuous fiber composite material.

Background

The composite material technology can strengthen and accelerate key technological breakthroughs such as ocean and polar region space expansion, land construction materials mainly comprise reinforced cement sand stones, a construction mode of an ocean working platform mainly comprises a floating platform and chains, a mooring platform is formed, and chain rigging is necessary equipment of ocean foundation construction.

The main requirements for chain rigging in the high performance industry are high strength, light weight and corrosion resistance. The composite material chain has the advantages over the traditional metal chain that: (introduced from thin to thick according to the diameter of the circular chain):

1. on ship-borne [ mooring rigging ] line diameter is between 8mm and 17 mm': the weight of the rigging is reduced, the individual mounting capacity is improved, the seawater salt spray corrosion resistance is extremely high, and the proportion of nonmetallic parts of the warship is improved.

2. In the ocean [ buoy anchor chain ]: on the premise of unchanged total weight, the length of the anchor chain can be increased by 4-5 times, and the super long anchor chain is provided for a deep sea fixed buoy (the scheme of polyethylene cable and suspending ball in the middle is generally adopted in a buoy anchor chain system in the domestic deep sea of more than 400 meters, and the polyethylene cable has no rigidity, so that the surveying and mapping precision is reduced).

The line diameter of the compact chain and the flat chain used for the slag dragging machine and the scraper in the mining industry mine is 22mm-68 mm.

3. Compact and flat chains for mining use have been provided with swaged rings and special heat treatments to improve tensile strength, longer fatigue life and higher toughness. The chain is used in a humid environment, so that the requirement on corrosion resistance is extremely high, and the continuous fatigue property of the metal chain ring is relatively high due to uneven load. The composite material has the advantages of corrosion resistance in material level, extremely light dead weight, no metal creep, and the composite material chain has a relatively low cost and a relatively low price compared with a mining compact chain.

4. On large ships [ anchor chain ] the line diameter is between 50mm and 120 mm': the weight of the anchor chain can be reduced under the condition of unchanged length, and the output power of the diesel engine can be reduced (or directly reduced to be driven by a three-phase motor). If the output power is not reduced, the length of a 5-time gear anchor chain (the current large-sized mail wheel or aircraft carrier anchor chain is usually within 360 meters), and further the parking area and operational capacity of the ship are improved (the anchor chain of the U.S. Nitz class aircraft carrier reaches 57 knots, and the total length exceeds 1500 meters). The traditional metal anchor chain corrosion and rust phenomenon can not occur, and neutral water consumption and labor workload caused by secondary flushing are avoided.

5. Fixing an offshore oil platform [ mooring chain ] with a wire diameter of 80-140 mm: the suspended oil platform is fixed by 16-32 300-600 m chain rigging, and the composite mooring chain can not only reduce the power consumption of the mooring system, but also improve the precision and speed of adjusting the mooring platform. The traditional metal chain is immersed in seawater for a long time, and maintenance is carried out every 3-6 months in order to prevent hydrogen embrittlement and metal creep of the seawater, so that great maintenance cost is generated. The lightweight, strong, and stiff mooring system allows the floating platform to have a greater water egress height, a greater extreme environmental viability, and a stable maintenance. The tensile strength of the chain rigging determines how long it can be used without use and the surface inertia properties.

The traditional chain rigging is formed by metal rings in a linked mode. The chain rigging made of metal materials in the current market comprises: the density is large, the quality is heavy, the oxidation and corrosion prevention are easy, the seawater hydrogen embrittlement is easy, the acid and alkali resistance is not available, the fatigue resistance is poor, the magnetization is easy, the metal creep is easy, the maintenance period is frequent, and the like.

A method of manufacturing a chain rigging from a carbon fibre composite material is disclosed in the patent of the utility model issued with publication number CN 111745998B. The patent of the utility model discloses that: a second composite fiber material ring (N+1 ring) blank is formed on the basis of the first initial ring (N ring), and only the method of independently solidifying the (N+1 ring) blank at high temperature and high pressure is adopted, the forming method of the utility model is sequentially circulated, the number of composite fiber material chain rings can be sequentially increased, and the length of a final chain is reached.

The utility model patent of publication No. CN114161735A discloses a method for manufacturing a light-weight high-strength chain with high weather resistance. The patent of the utility model discloses that: a method for curing the middle composite fibre material of ring (N ring) blank at high temp and pressure features that the damaged chain ring is replaced by continuous fibre material, and the ring chain of composite fibre material is quickly produced.

The utility model CN202021098138.7 discloses a composite material round-link chain forming die, and discloses a co-curing tool structure, wherein the round-link chain is placed in the co-curing tool in a 90-degree angle and a 0-degree angle, and the following problems exist in the mode:

1. the rings placed at 90 ° angle cause resin non-uniformity for vertical reasons.

2. The porosity is larger due to the different pressurization modes for the angle of 90 degrees and the angle of 0 degrees.

3. And a welding spring piece alignment mode is adopted, so that the profile accuracy is affected.

4. The cavity rate of the structure is too high, reducing the pressure and heat conduction.

5. The ring manufactured by the co-curing tool has poor homogeneity.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, provides a composite material chain co-curing tool, which can rapidly and low-cost produce a gear or no-gear chain rigging by using a continuous fiber composite material, and mainly produces the following products: marine anchor chains, mooring chains, buoy anchor chains, mooring lines.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a chain rigging co-curing frock, includes external mold and a plurality of centre form, the external mold includes external mold and lower external mold, lower external mold includes base, lateral wall I and lateral wall II are fixed respectively in the both sides of base along the length direction of base, the upper surface of base is provided with cell body I and cell body II along the length direction of base, cell body I and cell body II are parallel to each other, and the cross-section is right angle 'V' font, the inside equipartition of cell body I is provided with a plurality of supporting shoe I, the inside equipartition of cell body II is provided with a plurality of supporting shoe II, a plurality of supporting shoe I and a plurality of supporting shoe II dislocation set, a plurality of centre form looks knot in proper order and place on supporting shoe I and supporting shoe II in turn, the lower part of a plurality of centre form corresponds in proper order and inserts cell body II and cell body I inside, and two adjacent centre form mutually perpendicular, every centre form inside all is provided with annular die cavity, is a plurality of link that the perpendicular looks knot is connected and waits to be in a plurality of centre form, an upper and lower surface of supporting shoe II is provided with a plurality of supporting shoe I and a plurality of IV I, a plurality of IV I and III are provided with the inside supporting shoe III and III 'and III are corresponding to the IV supporting shoe I, III and III are provided with a plurality of IV supporting shoe I and III I' and III I are provided with a plurality of supporting shoe, III and III I are parallel to the inside IV supporting shoe, III is provided with a right angle III.

Further, two adjacent internal molds are arranged at an angle of +/-45 degrees.

Further, all be provided with a plurality of through-hole I and a plurality of lever mechanism on lateral wall I and the lateral wall II, lever mechanism includes briquetting, connecting portion and balancing weight, connecting portion set up in the inside of through-hole I and with the I adaptation of through-hole, the balancing weight is fixed in the bottom of connecting portion and is located the outside of lateral wall I or lateral wall II, the bottom and the bottom parallel and level of base of balancing weight, the briquetting is fixed on the top of connecting portion and is located the inboard of lateral wall I or lateral wall II, the bottom of connecting portion is passed through the lever and is connected with the base rotation.

Further, the briquetting that is located I one side of lateral wall and the upper surface contact and compaction of the centre form lower part of inserting cell body I, the briquetting that is located II one sides of lateral wall and the upper surface contact and compaction of the centre form lower part of inserting cell body II, the top of all briquettes all sets up to bellied cambered surface I upwards.

Further, the side wall I and the side wall II are both provided with a plurality of filling blocks, the filling blocks are arranged above the through holes I in a one-to-one correspondence mode, the lower surfaces of the filling blocks are all provided with the cambered surfaces II which are concave upwards, and the cambered surfaces I are matched with the cambered surfaces II.

Further, be fixed with a plurality of counterpoint pull rod on the lower external mold, it is provided with a plurality of locating hole to go up the counterpoint pull rod on the external mold, a plurality of counterpoint pull rod one-to-one passes a plurality of locating hole, and the top of every counterpoint pull rod all is provided with stop gear, stop gear is located the top of external mold.

Further, the limiting mechanism is a limiting flange, and the limiting flange is integrally connected with the alignment pull rod.

Further, the internal mold comprises four 'C' -shaped molds, one side surface of each 'C' -shaped mold is provided with a 'C' -shaped groove body with a semicircular section, and the four 'C' -shaped groove bodies are combined into an annular mold cavity.

Further, the co-curing tool further comprises a plurality of baffles, and the baffles are arranged in the middle of the inner die in a one-to-one correspondence mode and are located on the supporting blocks I or II.

Further, a through hole II is formed in the middle of the baffle block, the through hole II is communicated with the annular die cavity, and the baffle part of the chain ring is arranged in the through hole II and is matched with the communicating part of the through hole II and the annular die cavity.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model is to prefabricate a plurality of end-to-end connected and staggered composite fiber material annular blanks, and the annular blanks form a composite material chain blank. And (3) placing the whole section of the composite material chain blank or one section of the circular ring blank in a positive and negative 45-degree cross mode into a co-curing tool die for high-temperature high-pressure curing, and recycling the co-curing tool once or for multiple times to form the whole composite material circular ring chain rigging. The tooling can also be used for manufacturing the chain rigging with the gear, so that the manufacturing cost is low, the productivity is high, and the blank in the industry is filled.

The composite material in the utility model is preferably carbon fiber, and the carbon fiber material belongs to inert materials, has the characteristics of light weight and high energy, and has excellent mechanical properties and designability (the strength modulus of the composite material is highest when the load is parallel to the fiber).

The carbon fiber product has the advantages over the conventional metallic material product:

1. on the premise of unchanged total weight, the length of the chain rigging can be increased by 4-5 times, and similarly, the energy consumption output of the chain driving power equipment can be reduced by 70% under the condition of not increasing the length (the internal combustion engine power device with huge volume can be changed into a three-phase motor).

2. The carbon fiber chain rigging can prevent acid and alkali, salt corrosion and the like, reduce chemical destructive power caused by external environment to the surface of a rope chain, realize corrosion resistance for more than 30 years and prolong the service life.

3. The carbon fiber chain rigging has the advantages of very low absorption rate to X rays, no magnetization of nonmetallic parts, insulating performance and the like.

4. Fluorescent materials can be added into the resin, so that the characteristic of night luminescence can be maintained for a long time.

5. The composite material forming process is not bound, and the appearance profile of the round-link chain can be optimized by utilizing structural mechanics to the greatest extent.

6. The co-curing tool is used for curing the chain blank, so that the porosity among fibers can be reduced, the interlayer strength can be increased, and the tensile strength can be improved.

The key points of the process in the utility model are as follows: after a round-link chain blank of a composite material is prefabricated, an integrated co-curing mold closing process is adopted. The composite material round-link chain is manufactured, the productivity is high, and the cost is low. The composite material ring is placed in the co-curing mold closing mold at an angle of plus or minus 45 degrees, so that the pressure on the upper side and the lower side of the mold pressing mold can be uniformly converted to a composite material ring chain (with the angle of plus or minus 90 degrees which are staggered with each other). The co-curing tool can be used for curing and manufacturing a plurality of annular non-gear or gear chain rigging at one time, so that the time cost is reduced.

Drawings

Fig. 1: the overall structure of the chain rigging co-curing tool is schematically shown;

fig. 2: schematic diagram of internal structure of chain rigging co-curing tool;

fig. 3: the lever mechanism acts on the internal mold schematic diagram;

fig. 4: a lever mechanism schematic diagram;

fig. 5: an upper outer mold structure schematic diagram I;

fig. 6: an upper outer mold structure schematic diagram II;

fig. 7: a first lower outer mold structure diagram;

fig. 8: a second external mold structure schematic diagram;

fig. 9: the upper half part of the internal mold is schematically shown in structure;

fig. 10: the lower half part of the internal mold is schematically shown in structure;

fig. 11: the assembly structure of the upper half part and the lower half part of the internal mold is schematically shown;

fig. 12: a chain rigging structure schematic diagram;

in the figure, 1, an outer die, 2, an inner die, 3, a chain rigging, 4, a cavity, 5, a lever mechanism, 6, an alignment pull rod, 7, a stop block, 11, an upper outer die, 12, a lower outer die, 21, an annular die cavity, 51, a pressing block, 52, a connecting part, 53, a balancing weight, 54, a lever, 61, a limiting mechanism, 71, a through hole II, 111, a groove III, 112, a groove IV, 113, a supporting block III, 114, a supporting block IV, 115, a positioning hole, 121, a base, 122, a side wall I, 123, a side wall II, 124, a groove I, 125, a groove II, 126, a supporting block I, 127, a supporting block II, 128, a through hole I, 129, a filling block, 211 and a 'C' -shaped die.

Detailed Description

The utility model is further described below with reference to the drawings and detailed description.

The first embodiment is as follows:

the utility model provides a chain rigging co-curing frock, including external mold 1 and a plurality of internal mold 2, external mold 1 includes external mold 11 and lower external mold 12, lower external mold 12 includes base 121, lateral wall I122 and lateral wall II 123 are fixed respectively in the both sides of base 121 along the length direction of base 121, the upper surface of base 121 is provided with cell body I124 and cell body II 125 along the length direction of base 121, cell body I124 and cell body II 125 are parallel each other, and the cross-section is the font of right angle ' V ', cell body I124 inside equipartition is provided with a plurality of supporting shoe I126, cell body II 125 inside equipartition is provided with a plurality of supporting shoe II 127, a plurality of supporting shoe I126 and a plurality of supporting shoe II 127 dislocation set, a plurality of internal mold 2 are detained according to the order and are placed on supporting shoe I126 and supporting shoe II 127 alternately, the lower part of a plurality of internal mold 2 corresponds in proper order and inserts cell body II and cell body I124 inside, and two adjacent internal mold 2 are mutually perpendicular, and each internal mold 2 is provided with annular shaped block 113 and a plurality of supporting shoe 113V ' is arranged in parallel to the inside of a plurality of supporting shoe 111 when a plurality of IV is arranged in a plurality of parallel with a plurality of supporting shoe 113V ' and a plurality of supporting shoe 113, and a plurality of IV ' III is arranged in a plurality of parallel with a plurality of supporting shoe 113I 111, and a plurality of inner mold cavity 113 is arranged in a groove 111 inside a groove 113, and a plurality of vertical groove 113 is arranged with a vertical direction is arranged, and a plurality of vertical groove is arranged with a vertical groove is corresponding to a supporting shoe 113, the upper parts of the inner molds 2 are sequentially inserted into the groove body III 111 and the groove body IV 112 correspondingly, and all the supporting blocks III 113 and all the supporting blocks IV 114 are inserted into the lower outer mold 12 to fill the cavity 4 between the lower outer mold 12 and the inner molds 2.

Further, two adjacent internal molds 2 are arranged at an angle of + -45 degrees.

Further, be provided with a plurality of through-hole I128 and a plurality of lever mechanism 5 on lateral wall I122 and the lateral wall II 123, lever mechanism 5 includes briquetting 51, connecting portion 52 and balancing weight 53, connecting portion 52 set up in the inside of through-hole I128 and with through-hole I128 adaptation, balancing weight 53 is fixed in the bottom of connecting portion 52 and is located the outside of lateral wall I122 or lateral wall II 123, the bottom of balancing weight 53 and the bottom parallel and level of base 121, the top at connecting portion 52 is fixed at the briquetting 51 and is located the inboard of lateral wall I122 or lateral wall II 123, the bottom of connecting portion 52 is connected with the rotation of base 121 through lever 54. The lever mechanism 5 realizes the pressure release to the internal mold 2 through the dead weight of the balancing weight 53, and realizes the pressurization of the internal mold 2 through the lever 54.

Further, the briquetting 51 that is located lateral wall I122 one side contacts and compacts with the upper surface of the centre form 2 lower part of inserting cell body I124, and the briquetting 51 that is located lateral wall II 123 one side contacts and compacts with the upper surface of the centre form 2 lower part of inserting cell body II 125, and the top of all briquetting 51 all sets up to cambered surface I, lateral wall I122 and lateral wall II 123 inboard are provided with a plurality of filling block 129, a plurality of filling block 129 one-to-one sets up the top at a plurality of through-hole I128, and the lower surface of all filling blocks 129 all sets up to upwards sunken cambered surface II, cambered surface I and cambered surface II adaptation set up the purpose of filling block 129, at the in-process of solidification, fill the vacancy area of briquetting 51 top.

Further, a plurality of alignment pull rods 6 are fixed on the lower outer die 12, a plurality of positioning holes 115 are formed in the upper outer die 11 corresponding to the alignment pull rods 6, the plurality of alignment pull rods 6 penetrate through the plurality of positioning holes 115 in a one-to-one correspondence manner, a limiting mechanism 61 is arranged at the top end of each alignment pull rod 6, and the limiting mechanism 61 is located above the upper outer die 11.

Further, the limiting mechanism 61 is a limiting flange, and the limiting flange is integrally connected with the alignment pull rod 6.

Further, the inner mold 2 includes four 'C' -shaped molds 211, and a side surface of each of the 'C' -shaped molds 211 is provided with a 'C' -shaped groove body having a semicircular cross section, and the four 'C' -shaped groove bodies are combined into an annular mold cavity 21.

Further, the co-curing tool further comprises a plurality of blocking blocks 7, and the blocking blocks 7 are arranged in the middle of the inner die 2 in a one-to-one correspondence mode and are located on the supporting blocks I126 or the supporting blocks II 127.

Further, a through hole ii 71 is formed in the middle of the stopper 7, the through hole ii 71 is communicated with the annular mold cavity 21, and the crotch of the chain ring 3 is disposed in the through hole ii 71 and is adapted to the communication position between the through hole ii 71 and the annular mold cavity 21.

When the chain rigging is specifically used, the ring in the preformed chain rigging is defined as an N ring, the ring connected with the rear of the N ring is N+1, the ring connected with the front of the N ring is N-1, and the diameter of the ring of the N ring is set as D. The process of the utility model patent of the issued publication number CN111745998B is adopted to complete the steps from the first step to the fourth step.

Step one, circumferential molding: forming a chain annular blank;

step two, primary compression: forming a chain ring primary press-forming blank;

step three, radial molding: forming a radial blank of the chain ring;

step four, secondary profiling: and (3) repeating the first step to the fourth step after the secondary compression to form a prefabricated chain blank.

Example 1

An inner mold 2 formed by four C-shaped molds 211 is additionally arranged on each circular chain blank of the prefabricated chain blank, the prefabricated chain blank with the closed inner mold 2 is placed into a groove I124 and a groove II 125 of a lower outer mold 12 of a chain rigging co-curing tool, the center of each inner mold 2 is placed on a supporting block I126 or a supporting block II 127, (two adjacent inner molds 2 are placed at positive and negative 45 angles in the lower outer mold 12), an upper outer mold 11 is driven to press downwards through a hot press, a plurality of lever mechanisms 5 apply pressure to the lower parts of the inner molds 2, each circular chain in the chain rigging co-curing tool is extruded, and the hot press is gradually heated and pressurized to realize the curing requirement of the carbon fiber composite material. The annular chain rigging with the wire diameter more than 28mm is generally of a gear structural design, the gear weight is about 8-15% heavier than the gear-free weight, the breaking load is improved about 20-25%, the scheme can be used for processing a gear annular chain, and the integral carbon fiber composite chain rigging co-curing tool implementation scheme is as follows:

and (3) performing and manufacturing a baffle: and (3) preforming a plurality of 1/2 molded-surface baffles 7 (symmetrically and equally dividing along the axial direction of the baffles 7), and combining two 1/2 baffles 7 with the round-link chain at the middle position of each round-link chain in the co-curing process step to perform co-curing. The baffle 7 preforming tool adopts an upper die and a lower die, the lower die is processed with a groove with the same molded surface as the 1/2 baffle 7, and the upper die is a plane cover plate. The stop 7 is made of chopped fiber material, and the molding process adopts a die-pressing and heating preforming mode. The chopped fiber material is placed in a lower mold, and is fastened with four to eight bolts after mold closing and compaction. Placing the baffle preforming tool into a heating device (a hot press, an autoclave or a curing furnace), heating the baffle preforming tool to 50-120 ℃ at a heating rate of 1-5 ℃/min, keeping the temperature for 0.5-2h, operating the heating device to cool at a cooling rate of 1-4 ℃/min, taking out the baffle preforming tool from the heating device when the temperature is reduced to below 50 ℃, removing a fastening bolt, and uncovering the upper die to take out the baffle 7 with the 1/2 profile from the lower die.

The chain rigging co-curing tooling comprises an outer die 1 and an inner die 2, wherein the inner die 2 is four 'C' -shaped dies 211 with the same shape, the C-shaped design is used for reserving a gap, an N+1 ring or an N-1 ring can be sleeved, the section shape of an annular die cavity 21 of the inner die 2 is consistent with the outer surface of the ring N, and the ring N is completely sealed and wrapped by the four 'C' -shaped dies 211 with the same shape. The outer mould 1 comprises an upper outer mould 11 and a lower outer mould 12, the inner side profile of the outer mould 1 being congruent with the outer side profile of the inner mould 2. And horizontally placing the prefabricated chain blank with the secondary pressing, clamping the four C-shaped dies 211 of the inner die 2 on a first circular ring of the prefabricated chain blank, placing the clamped inner die 2 on a first supporting block I126 of a groove body I124 of the lower outer die 12 at an angle of +45 DEG, and precisely positioning the four C-shaped dies 211 of the inner die 2 by using four alignment pins. And continuing to mold the inner mold 2 on the second annular blank, placing the inner mold 2 on the first supporting block II 127 of the groove body II 125 at an angle of-45 degrees, then continuing to mold the inner mold 2 on the third annular blank, placing the inner mold 2 on the second supporting block I126 of the groove body I124 on the lower outer mold 12 at an angle of +45 degrees, and so on, so that the prefabricated chain blank to be co-cured is wrapped by the inner mold 2. The inner molds 2 connected end to end are sequentially placed, and every two adjacent inner molds 2 are arranged in a 90-degree crossed manner on the lower outer mold 12. The upper outer die 11 is clamped with the lower outer die 12 from top to bottom through 2-4 contraposition pull rods 6, the contact planes of the supporting blocks I126 and the supporting blocks II 127 with the inner die 2 are respectively a +45 DEG inclined plane and a-45 DEG inclined plane, the widths of the supporting blocks I126 and the supporting blocks II 127 are consistent with the width of the baffle 7 in the middle of the inner die 2, and after the clamping, the supporting blocks I126 and the supporting blocks II 127 on the lower outer die 12 and the supporting blocks III 113 and IV 114 of the upper outer die 11 apply pressure and conduction temperature to the corresponding inner die 2.

Co-curing after mold closing: the upper outer die 11 of the chain rigging co-curing tool is restrained with the top plate of the hot press, so that the upper outer die 11 can be synchronously driven to move up and down when the top plate of the hot press moves up and down, the upper outer die 11 is vertically connected with the lower outer die 12 through 2-4 alignment pull rods 6 with the length of 300-800 mm, and when the upper outer die 11 is lifted up by the top plate of the hot press to be longer than 300-800 mm, the 2-4 alignment pull rods 6 lift the lower outer die 12 from the table top of the hot press. The two adjacent internal molds 2 are arranged in a 90-degree crossed mode, a triangular cube cavity phenomenon exists in the crossed area between the external mold 1 and the internal mold 2 after the external mold is closed, and the existence of the cavity phenomenon can reduce the conduction of the hot press on the pressure and the temperature of the composite material product. The lower outer die 12 is provided with a lever mechanism 5 corresponding to the cavity position of the triangle cube, the bottom end of the connecting part 52 of the lever mechanism 5 and the base 121 of the outer die 1 are provided with a fulcrum, and the pressing block 51 and the filling block 129 of the lever mechanism 5 are used for compensating the cavity, so that the pressure and the temperature are conducted uniformly. The working principle of the lever mechanism 5 is as follows: (1) the outer side of the lever mechanism 5 is provided with a balancing weight 53, when the upper outer die 11 pulls the lower outer die 12 to lift up through the alignment pull rod 6, and after leaving the table top of the hot press, the balancing weight 53 of the lever mechanism 5 naturally moves downwards due to gravity, so that the upper pressing block 51 of the lever mechanism 5 passes through the through hole I128 and moves towards the outer sides of the side wall I122 and the side wall II 123, and the lever mechanism 5 is in an open state under the condition of no external force. (2) After the lower outer die 12 falls to contact the hot press table surface, the balancing weight 53 of the lever mechanism 5 is lifted up and moved up due to gradually touching the hot press table surface, so that the upper pressing block 51 of the lever mechanism 5 passes through the through hole I128 and moves to the center of the lower outer die 12 for compacting the inner die 2, and finally, a closed state is realized. And (3) co-curing and die closing process: when the top plate of the hot press and the upper outer die 11 move upwards, the upper outer die 11 and the lower outer die 12 are vertically connected by a 300mm-800mm contraposition pull rod 6 to form an operation section with a certain distance. After the lower outer die 12 is lowered to the table top of the hot press, the upper end pressing block 51 of the lever mechanism 5 compacts the inner die 2, and the upper outer die 11 continuously moves downwards to finally form a solidified tool die-closing mode with the lower outer die 12. After the temperature of the chain rigging co-curing tooling is increased to 90-380 ℃ at the heating rate of 1-5 ℃/min, gradually applying pressure of 1-5KN to the upper outer die 11, keeping the temperature for 1-4h, and applying pressure of 2-15KN to the upper outer die 11. And (3) operating the heating device to cool at a cooling rate of 1-4 ℃/min, raising the top plate of the hot press upwards after the temperature is lowered below 60 ℃, driving the upper outer die 11300mm-800mm, carrying the lower outer die 12, enabling the balancing weight 53 of the lever mechanism 5 to leave the table top of the hot press, enabling the upper end pressing block 51 of the lever mechanism 5 to leave the inner die, taking out the composite material chain wrapped by the inner die 2 from the lower outer die 12, and stripping the inner die 5 from the composite material chain to obtain a section of co-cured chain rigging 3.

Surface treatment: the fiber flash generated by die assembly is axially cleaned by the composite material annular chain rigging, and finish paint can be smeared according to the process requirement.

In order to verify the technical effect of the present utility model, the following tests were performed:

1. and (5) tensile force test: the detection rules in the document of national standard mooring chain [ GB/T20848-2017 ] are followed: five R5 class blocked mooring chains of 6 standard wire diameters phi 40mm were made from composite materials.

The national standard prescribes that the R5 grade with the diameter phi 40mm of the metal material is provided with a gear mooring chain: at room temperature of 20 degrees celsius, the tensile load is 1639 kilonewtons and the breaking load is 2089 kilonewtons. Not only is the following: when the tension load is 1639 kilonewtons, the chain is not broken and is maintained for 30 seconds, the total length of the chain is measured after pressure relief, and the permanent elongation of the chain is not more than 5% of the original length. The ring should not show signs of breakage when the tensile load reaches 2089 kilonewtons.

According to the scheme of the utility model, 3 phi 40mm composite material five-ring blocked mooring chains are manufactured, and the average value is obtained after practical testing: when the tensile load reaches 1639 kilonewtons, the permanent elongation of the chain after 30 seconds of holding is not more than 1.7% of the original length. The five-ring gear mooring chain showed signs of breakage when the tensile load increased to 2609 kilonewtons.

2. Weight testing: the weight of the metal mooring chain is 35 kg per meter, and the weight of the composite material chain is 6.8 kg per meter.

3. The carbon fiber material detection report issued by the physical and chemical laboratory shows that: the chemical stability indexes of several continuous fiber reinforced composite materials required by the preparation reach more than 20 years, because carbon fibers are 'material-grade corrosion-resistant', and far exceed 'surface treatment-grade corrosion-resistant' of metals.

The test conclusion shows that: the composite mooring chain manufactured by the method of the utility model has all three aspects of tensile strength, weight and corrosion resistance which are superior to those of the traditional metal mooring chain. Fills the blank of the industry and has wide popularization prospect.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art should be able to apply equivalent substitutions or alterations to the technical solution and the inventive concept thereof according to the technical scope of the present utility model disclosed herein.

Claims (9)

1. The utility model provides a chain rigging co-curing frock which characterized in that: including external mold (1) and a plurality of centre form (2), external mold (1) includes external mold (11) and external mold (12) down, external mold (12) down include base (121), lateral wall I (122) and lateral wall II (123) are fixed respectively in the both sides of base (121) along the length direction of base (121), the upper surface of base (121) is provided with cell body I (124) and cell body II (125) along the length direction of base (121), cell body I (124) and cell body II (125) are parallel to each other, and the cross-section is the font of right angle 'V', cell body I (124) inside equipartition is provided with a plurality of supporting shoe I (126), cell body II (125) inside equipartition is provided with a plurality of supporting shoe II (127), a plurality of supporting shoe I (126) and a plurality of supporting shoe II (127) dislocation set, a plurality of centre form (2) are detained mutually in proper order and are placed on supporting shoe II (126) and supporting shoe II (127) in turn, a plurality of centre form II (125) are corresponding to two inside die cavity II (21) and two adjacent die cavity II (2) are inserted down in proper order, the chain ring that is a plurality of that perpendicular looks knot was connected waits to cure altogether seals in a plurality of centre form (2), the lower surface of last external mold (11) is provided with cell body III (111) and cell body IV (112) along its length direction, cell body III (111) and cell body IV (112) are parallel to each other, and the cross-section is right angle 'V' font, cell body III (111) inside is provided with a plurality of supporting shoe III (113), cell body IV (112) inside is provided with a plurality of supporting shoe IV (114), a plurality of supporting shoe III (113) and a plurality of supporting shoe IV (114) dislocation set, and supporting shoe III (113) correspond setting with supporting shoe II (127), supporting shoe I (126) correspond setting with supporting shoe IV (114), and two adjacent centre forms (2) are ± 45 angle setting.

2. The chain rigging co-curing tooling of claim 1, wherein: all be provided with a plurality of through-hole I (128) and a plurality of lever mechanism (5) on lateral wall I (122) and lateral wall II (123), lever mechanism (5) are including briquetting (51), connecting portion (52) and balancing weight (53), connecting portion (52) set up in the inside of through-hole I (128) and with through-hole I (128) adaptation, balancing weight (53) are fixed in the bottom of connecting portion (52) and are located the outside of lateral wall I (122) or lateral wall II (123), the bottom of balancing weight (53) and the bottom parallel and level of base (121), the top of connecting portion (52) is fixed in briquetting (51) and is located the inboard of lateral wall I (122) or lateral wall II (123), the bottom of connecting portion (52) is passed through lever (54) and is connected with base (121) rotation.

3. The chain rigging co-curing tooling of claim 2, wherein: the pressing blocks (51) positioned on one side of the side wall I (122) are in contact with and compacted with the upper surface of the lower part of the inner die (2) inserted into the groove body I (124), the pressing blocks (51) positioned on one side of the side wall II (123) are in contact with and compacted with the upper surface of the lower part of the inner die (2) inserted into the groove body II (125), and the tops of all the pressing blocks (51) are all provided with upwardly-protruding cambered surfaces I.

4. A chain rigging co-curing tooling according to claim 3, wherein: the side wall I (122) and the side wall II (123) inboard all are provided with a plurality of filler block (129), a plurality of filler block (129) one-to-one sets up in the top of a plurality of through-hole I (128), and the lower surface of all filler blocks (129) all sets up to the cambered surface II of undercut, cambered surface I and cambered surface II adaptation.

5. The chain rigging co-curing tooling of claim 1, wherein: be fixed with a plurality of counterpoint pull rod (6) on lower external mold (12), it is provided with a plurality of locating hole (115) to correspond counterpoint pull rod (6) on external mold (11), a plurality of locating hole (115) are passed in a plurality of counterpoint pull rod (6) one-to-one, and the top of every counterpoint pull rod (6) all is provided with stop gear (61), stop gear (61) are located the top of external mold (11).

6. The chain rigging co-curing tooling of claim 5, wherein: the limiting mechanism (61) is a limiting flange, and the limiting flange is integrally connected with the alignment pull rod (6).

7. The chain rigging co-curing tooling of claim 1, wherein: the internal mold (2) comprises four 'C' -shaped molds (211), one side surface of each 'C' -shaped mold (211) is provided with a 'C' -shaped groove body with a semicircular section, and the four 'C' -shaped groove bodies are combined into an annular mold cavity (21).

8. The chain rigging co-curing tooling of claim 1 or 7, wherein: the co-curing tool further comprises a plurality of baffles (7), and the baffles (7) are arranged in the middle of the inner die (2) in a one-to-one correspondence mode and are located on the supporting block I (126) or the supporting block II (127).

9. The chain rigging co-curing tooling of claim 8, wherein: the middle part of the baffle block (7) is provided with a through hole II (71), the through hole II (71) is communicated with the annular die cavity (21), and the baffle part of the chain ring (3) is arranged in the through hole II (71) and is matched with the communicating part of the through hole II (71) and the annular die cavity (21).