CN112873896A - Production process of glass fiber reinforced plastic step plate - Google Patents
Production process of glass fiber reinforced plastic step plate Download PDFInfo
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- CN112873896A CN112873896A CN202110036218.2A CN202110036218A CN112873896A CN 112873896 A CN112873896 A CN 112873896A CN 202110036218 A CN202110036218 A CN 202110036218A CN 112873896 A CN112873896 A CN 112873896A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2028/00—Nets or the like
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Abstract
The invention provides a production process of a glass fiber reinforced plastic step plate, which comprises the following steps: s10, preparing a resin mixture; s20, laying a first yarn layer in the mould according to yarn laying rules; s30, pouring 45-50% of the resin mixture into the mold, scraping the resin mixture on the upper surface of the mold into the mold by using a scraper, and laying the residual yarn layer after leveling; and S40, sequentially carrying out height measurement, face trimming, curing, demolding and treatment to obtain the glass fiber reinforced plastic step plate. According to the production process of the glass fiber reinforced plastic step plate, the mold is composed of the high module and the low module which are arranged on the mold body, the anti-skid part is directly and integrally formed by laying the glass fiber cloth on the top of the low module, the production efficiency of the glass fiber reinforced plastic step plate is greatly improved, and the problem of interface cracking and layering caused by low connection strength of a glass fiber reinforced plastic grid and angle iron generated by split forming is solved.
Description
Technical Field
The invention relates to the technical field of gratings, in particular to a production process of a glass fiber reinforced plastic step plate.
Background
The grating is a substitute material of a commonly used stair or platform tread plate, and a glass fiber reinforced plastic grating is adopted as the tread plate in the prior art. The glass fiber reinforced plastic step plate is manufactured by the prior art that the glass fiber reinforced plastic step plate is manufactured by manufacturing a glass fiber reinforced plastic grating and angle irons (pultrusion sectional materials and hand-pasted products), then milling the glass fiber reinforced plastic grating into a required shape by using a milling machine, and then bonding the angle irons and the milled glass fiber reinforced plastic grating together by using a resin mixture to form the anti-skid part. Therefore, the operation time period is long, the production efficiency is low, the connection strength of the glass fiber reinforced plastic grating and the angle iron is low, and the interface is easy to crack and delaminate.
Disclosure of Invention
In order to solve the problems, the invention provides a production process of a glass fiber reinforced plastic step plate, wherein a mould consists of a high module and a low module which are arranged on a mould body, and an anti-skid part is directly and integrally formed by paving glass fiber cloth on the top of the low module, so that the production efficiency of the glass fiber reinforced plastic step plate is greatly improved, and the problem of interface cracking and layering caused by low connection strength of a glass fiber reinforced plastic grid and angle iron generated by split forming is avoided.
In order to achieve the above purpose, the invention adopts a technical scheme that:
a production process of a glass fiber reinforced plastic step plate comprises the following steps: s10, mixing the mixed resin, the filler, the cross-linking agent, the accelerator, the color paste, the curing agent and other auxiliary agents according to a proportion to prepare a resin mixture; s20, laying a first yarn layer in the mould according to yarn laying rules; s30, pouring 45-50% of the resin mixture into the mold, scraping the resin mixture on the module of the mold into the mold by using a scraper, laying the rest yarn layer after leveling, in the yarn laying process, if the yarn laying height is the same as the height of the low module, the low module does not need yarn laying, continuously laying yarn until the yarn laying height is equal to the height of the high module to form a step plate body, then laying the glass fiber cloth on the top of the low module, and applying pressure to form the anti-skid part of the step plate; s40, sequentially carrying out height measurement, face trimming, curing, demolding and processing to obtain the glass fiber reinforced plastic step plate; the glass fiber yarns are laid in gaps between adjacent low modules and low modules, between the low modules and the high modules, between the high modules and the high modules, between the low modules and the high modules, and between the low modules and the high modules, the low modules are arranged in rows or in columns, and the height of the low modules is smaller than that of the high modules.
Further, the low modules and the high modules are arranged on the die body in an array mode, and the low modules are arranged in at least one row or at least one column.
Further, the yarn laying rule is as follows: s21 laying a first layer, namely laying the first layer in a mode that a yarn applicator continuously separates three modules on one side of the mould in the width direction of the mould, and laying the second layer in a mode that the yarn applicator continuously separates three modules on the other side of the mould in the width direction of the mould; then, the yarn applying device is adopted to lay the fabric in a mode of continuously separating one module at one side of the mould in the length direction of the mould, and the yarn applying device is adopted to lay the fabric in a mode of continuously separating two modules at the other side of the mould in the length direction of the mould; s22 laying the second, third and fourth layers, laying the yarn in the mode that the yarn applicator is continuously separated by one module on one side of the mould in the width direction of the mould, and laying the yarn in the mode that the yarn applicator is continuously separated by two modules on the other side of the mould in the width direction of the mould; then, the yarn applying device is adopted to lay the fabric in a mode of continuously separating one module at one side of the mould in the length direction of the mould, and the yarn applying device is adopted to lay the fabric in a mode of continuously separating two modules at the other side of the mould in the length direction of the mould; s23 laying for the fifth layer, laying in the mode that the yarn applicator is continuously separated by one module on one side of the mould in the width direction of the mould, and laying in the mode that the yarn applicator is continuously separated by two modules on the other side of the mould in the width direction of the mould; then, the yarn applying device is paved on one side of the mold at intervals of one module continuously in the length direction of the mold, the yarn applying device is paved on the other side of the mold at intervals of two modules continuously in the length direction of the mold, and then 25-30% of resin mixture is added; s24 laying a sixth layer, namely laying the sixth layer in a mode that a yarn applicator is continuously arranged on one side of the mould at intervals of one module in the width direction of the mould, and laying the sixth layer in a mode that the yarn applicator is continuously arranged on the other side of the mould at intervals of two modules in the width direction of the mould for pressing and leveling; then, continuously separating a module on one side of the die by using a yarn applicator in the length direction of the die, and continuously separating two modules on the other side of the die by using the yarn applicator in the length direction of the die; s25 laying the seventh and eighth layers, laying the yarn in the mode that the yarn applicator is continuously separated by one module on one side of the mould in the width direction of the mould, and laying the yarn in the mode that the yarn applicator is continuously separated by two modules on the other side of the mould in the width direction of the mould; then, the yarn applying device is adopted to lay the fabric in the length direction of the mould in a mode of continuously separating one module from one side of the mould, the yarn applying device is adopted to lay the fabric in the length direction of the mould in a mode of continuously separating two modules from the other side of the mould, and 25-30% of resin mixture is added after the eighth layer is laid; s26 laying the ninth layer, laying the ninth layer in the mode that a yarn applicator is continuously arranged on one side of the mould at intervals of one module in the width direction of the mould, and laying the ninth layer in the mode that the yarn applicator is continuously arranged on the other side of the mould at intervals of two modules in the width direction of the mould for pressing and leveling; then, the yarn applying device is adopted to lay the fabric in a mode of continuously separating one module at one side of the mould in the length direction of the mould, and the yarn applying device is adopted to lay the fabric in a mode of continuously separating two modules at the other side of the mould in the length direction of the mould; s27 laying the 10 th layer, laying the yarn applying device on one side of the mould at intervals of three modules continuously in the width direction of the mould, laying the yarn applying device on the other side of the mould at intervals of three modules continuously in the width direction of the mould, then pressing and leveling, and adding 5-10% of resin mixture.
Further, S10 includes setting the cutting width of the fiberglass cloth according to the width of the low module, and setting the number of layers of the fiberglass cloth layer according to the height difference between the high module and the low module.
Further, step S40 includes the following steps: s41, measuring the height and trimming the face, wherein the height of the resin mixed liquid is adjusted to be the same after the resin mixed liquid is added each time; s42, curing, controlling the temperature to be 75-85 ℃, and demolding after the grid is completely cured by using sharp tweezers; s43, demoulding, pressing a hydraulic ejection switch, firstly, completely ejecting the grids, cleaning loose cover plates on the modules by using high-pressure gas or other cleaning tools, and then ejecting the modules upwards in parallel and stably; and S44, polishing the surface of the grating by using a grinding wheel after the grating is demoulded, removing acute angles formed by molding and redundant resin and glass fiber yarns, measuring the height by using a depth gauge to ensure that the height reaches the process requirement height, polishing the protrusion formed on the back of the grating due to the depression of the thimble by using the grinding wheel, and brushing dust and scraps by using a brush after polishing to obtain the glass fiber reinforced plastic step plate.
Further, the method of spraying styrene is used to eliminate bubbles before curing.
Furthermore, the yarn applicator is a yarn spreading device with three copper pipes, and three glass fiber yarns penetrate through each copper pipe.
Further, each pressing time is more than 30 s.
Furthermore, after the glass fiber cloth on the low module is paved, a sand layer is arranged on the glass fiber cloth.
Compared with the prior art, the technical scheme of the invention has the following advantages:
according to the production process of the glass fiber reinforced plastic step plate, the mold is composed of the high module and the low module which are arranged on the mold body, the anti-skid part is directly and integrally formed by laying the glass fiber cloth on the top of the low module, the production efficiency of the glass fiber reinforced plastic step plate is greatly improved, and the problem of interface cracking and layering caused by low connection strength of a glass fiber reinforced plastic grid and angle iron generated by split forming is solved.
Drawings
The technical solution and the advantages of the present invention will be apparent from the following detailed description of the embodiments of the present invention with reference to the accompanying drawings.
FIG. 1 is a flow chart showing a process for manufacturing a glass fiber reinforced plastic step plate according to an embodiment of the present invention;
FIG. 2 is a top view of a glass reinforced plastic step plate according to an embodiment of the present invention;
FIG. 3 is a diagram illustrating the position relationship between the high and low modules of the one-sided tread mold according to one embodiment of the present invention;
FIGS. 4-5 are top views of the position relationship of the high and low modules of the one-side tread plate mold according to one embodiment of the present invention;
FIG. 6 is a diagram illustrating the position relationship between the high and low modules of the two-sided tread mold according to one embodiment of the present invention;
FIGS. 7-8 are top views of the position relationship of the high and low modules of the two-sided tread mold according to an embodiment of the invention;
FIG. 9 is a schematic view showing a laying rule of alkali-free continuous glass fiber yarns laid at three intervals according to an embodiment of the present invention;
fig. 10 is a schematic view showing a laying rule of the alkali-free continuous glass fiber yarn in one-to-two laying.
Reference numbers in the figures:
1 mould body, 2 high modules, 3 low modules, 4 grid bodies and 5 antiskid parts.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment provides a production process of a glass fiber reinforced plastic step plate, as shown in fig. 1-2, comprising the following steps: s10, mixing the mixed resin, the filler, the cross-linking agent, the accelerator, the color paste, the curing agent and other auxiliary agents according to the proportion to prepare the resin mixture. S20 laying a first layer of yarn in the mold according to the yarn laying rules. S30, pouring 45-50% of the resin mixture into the mold, scraping the resin mixture on the module of the mold into the mold by a scraper, laying the rest yarn layer after leveling, in the yarn laying process, if the yarn laying height is the same as the height of the low module 3, continuing yarn laying by the low module 3 until the yarn laying height is the same as the height of the high module 2 to form a step plate body, then laying the top of the low module 3 by glass fiber cloth, and applying pressure to form the step plate antiskid part 5. And S40, sequentially carrying out height measurement, face trimming, curing, demolding and treatment to obtain the glass fiber reinforced plastic step plate.
As shown in fig. 3 to 8, the mold comprises a mold body 1 and a high module 2 and a low module 3 disposed on the mold body 1, glass fiber yarns are laid in gaps between the adjacent low module 3 and the low module 3, between the adjacent low module 3 and the high module 2, and between the adjacent high module 2 and the adjacent high module 2, and the low modules 3 are arranged in a row or a column, wherein the height of the low modules 3 is smaller than that of the high modules 2. The low modules 3 and the high modules 2 are arranged on the die body 1 in an array, and the low modules 3 are arranged in at least one row or at least one column. For one tread plate, only one side antiskid part 4 is needed, namely, one row or one column of low modules 3 are arranged on the mould body 1. For both side step plates, it is necessary to provide the anti-slip parts 5 on opposite sides, i.e. to provide the mold body 1 with a row or a column of lower mold blocks 3 on opposite sides.
According to the hole size of the glass fiber reinforced plastic step plate, the holes can be divided into square holes and rectangular holes, the hole size is adjusted according to the use environment, the high modules 2 or the low modules 3 are arranged according to different center distances, the heights of the low modules 3 in a row on the edge of the module arrangement or in a row on each symmetrical two edges are determined according to the use condition, and the heights are generally 3-10mm lower than the heights of the high modules 2. During production and processing, continuous glass fiber twistless roving is laid into a module room according to a yarn applying rule, only glass fiber reinforced checked cloth or stitch-bonded felt is laid on the low module 3 until the height of the module exceeds 1-3mm of the height of the module, and then the whole heating is carried out, so that the glass fiber reinforced plastic step plate is cured and molded together, the integral molding of the glass fiber reinforced plastic step plate is realized, and the antiskid part is not required to be manufactured by angle steel secondary processing.
S10 further includes setting the cutting width of the fiberglass cloth according to the width of the low module 3, and setting the number of layers of fiberglass cloth layers according to the height difference between the high module 2 and the low module 3.
The yarn laying rules are shown in table 1 below.
TABLE 1 yarn laying rules
The yarn laying rule is as follows: s21 laying a first layer, namely laying the first layer in a mode that a yarn applicator continuously separates three modules on one side of the mould in the width direction of the mould, and laying the second layer in a mode that the yarn applicator continuously separates three modules on the other side of the mould in the width direction of the mould; and then, the yarn applying device is adopted to lay the fabric continuously at one side of the mould at intervals of one module in the length direction of the mould, and the yarn applying device is adopted to lay the fabric continuously at the other side of the mould at intervals of two modules in the length direction of the mould.
S22 laying the second, third and fourth layers, laying the yarn in the mode that the yarn applicator is continuously separated by one module on one side of the mould in the width direction of the mould, and laying the yarn in the mode that the yarn applicator is continuously separated by two modules on the other side of the mould in the width direction of the mould; and then, the yarn applying device is adopted to lay the fabric continuously at one side of the mould at intervals of one module in the length direction of the mould, and the yarn applying device is adopted to lay the fabric continuously at the other side of the mould at intervals of two modules in the length direction of the mould.
S23 laying for the fifth layer, laying in the mode that the yarn applicator is continuously separated by one module on one side of the mould in the width direction of the mould, and laying in the mode that the yarn applicator is continuously separated by two modules on the other side of the mould in the width direction of the mould; and then, paving the mould in the length direction of the mould in a mode that a yarn applicator is continuously arranged on one side of the mould at intervals of one module, paving the mould in the length direction of the mould in a mode that the yarn applicator is continuously arranged on the other side of the mould at intervals of two modules, and then adding 25-30% of resin mixture.
S24 laying a sixth layer, namely laying the sixth layer in a mode that a yarn applicator is continuously arranged on one side of the mould at intervals of one module in the width direction of the mould, and laying the sixth layer in a mode that the yarn applicator is continuously arranged on the other side of the mould at intervals of two modules in the width direction of the mould for pressing and leveling; and then, continuously separating one module at one side of the die by using a yarn applicator in the length direction of the die, and continuously separating two modules at the other side of the die by using the yarn applicator in the length direction of the die.
S25 laying the seventh and eighth layers, laying the yarn in the mode that the yarn applicator is continuously separated by one module on one side of the mould in the width direction of the mould, and laying the yarn in the mode that the yarn applicator is continuously separated by two modules on the other side of the mould in the width direction of the mould; and then, paving the mould in the length direction of the mould in a mode that a yarn applicator is continuously arranged at one side of the mould at intervals of one module, paving the mould in the length direction of the mould in a mode that the yarn applicator is continuously arranged at the other side of the mould at intervals of two modules, and adding 25-30% of resin mixture after the eighth layer is paved.
S26 laying the ninth layer, laying the ninth layer in the mode that a yarn applicator is continuously arranged on one side of the mould at intervals of one module in the width direction of the mould, and laying the ninth layer in the mode that the yarn applicator is continuously arranged on the other side of the mould at intervals of two modules in the width direction of the mould for pressing and leveling; and then, the yarn applying device is adopted to lay the fabric continuously at one side of the mould at intervals of one module in the length direction of the mould, and the yarn applying device is adopted to lay the fabric continuously at the other side of the mould at intervals of two modules in the length direction of the mould.
S27 laying the 10 th layer, laying the yarn applying device on one side of the mould at intervals of three modules continuously in the width direction of the mould, laying the yarn applying device on the other side of the mould at intervals of three modules continuously in the width direction of the mould, then pressing and leveling, and adding 5-10% of resin mixture. The yarn applicator is a yarn spreading device with three copper pipes, and three glass fiber yarns penetrate through each copper pipe. And after the last layer is pressed, scraping the resin into the mold by using a scraper, and fully soaking the glass fiber yarns and the resin mixture in the pressing process to improve the strength of the finally prepared glass fiber reinforced plastic step plate.
Each application time is greater than 30 s. After the glass fiber cloth on the low module 3 is paved, the sand layer is arranged on the glass fiber cloth, so that the anti-skid effect of the step plate can be improved. After the resin mixture is added, a scraper is needed to scrape the resin mixture on the high module land 2 and the low module land 3 into the mold, and yarn paving is carried out after leveling.
Step S40 includes the following steps: s41, measuring the height and trimming the surface, and adjusting the height of the resin mixed liquid to be the same after adding the resin mixed liquid each time. S42, curing, controlling the temperature between 75 ℃ and 85 ℃, and demolding after the grid is completely cured by using sharp tweezers. The bubbles were eliminated by spraying styrene before curing. S43, demoulding, pressing the hydraulic ejection switch, firstly, ejecting the grid loose, cleaning the loose cover plate on the module with high-pressure gas or other cleaning tools, and then ejecting the grid upward in parallel and stably. And S44, polishing the surface of the grating by using a grinding wheel after the grating is demoulded, removing acute angles formed by molding and redundant resin and glass fiber yarns, measuring the height by using a depth gauge to ensure that the height reaches the process requirement height, polishing the protrusion formed on the back of the grating due to the depression of the thimble by using the grinding wheel, and brushing dust and scraps by using a brush after polishing to obtain the glass fiber reinforced plastic step plate.
The above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes that are transformed by the content of the present specification and the attached drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. The production process of the glass fiber reinforced plastic step plate is characterized by comprising the following steps of:
s10, mixing the mixed resin, the filler, the cross-linking agent, the accelerator, the color paste, the curing agent and other auxiliary agents according to a proportion to prepare a resin mixture;
s20, laying a first yarn layer in the mould according to yarn laying rules;
s30, pouring 45-50% of the resin mixture into the mold, scraping the resin mixture on the module of the mold into the mold by using a scraper, laying the rest yarn layer after leveling, in the yarn laying process, if the yarn laying height is the same as the height of the low module, the low module does not need yarn laying, continuously laying yarn until the yarn laying height is equal to the height of the high module to form a step plate body, then laying the glass fiber cloth on the top of the low module, and applying pressure to form the anti-skid part of the step plate; and
s40, sequentially carrying out height measurement, face trimming, curing, demolding and processing to obtain the glass fiber reinforced plastic step plate;
the glass fiber yarns are laid in gaps between adjacent low modules and low modules, between the low modules and the high modules, between the high modules and the high modules, between the low modules and the high modules, and between the low modules and the high modules, the low modules are arranged in rows or in columns, and the height of the low modules is smaller than that of the high modules.
2. The process for producing a glass fiber reinforced plastic step plate according to claim 1, wherein the low modules and the high modules are arranged on the mold body in an array, and the low modules are arranged in at least one row or at least one column.
3. The process for producing a glass fiber reinforced plastic step plate according to claim 1, wherein the yarn laying rule is as follows:
s21 laying a first layer, namely laying the first layer in a mode that a yarn applicator continuously separates three modules on one side of the mould in the width direction of the mould, and laying the second layer in a mode that the yarn applicator continuously separates three modules on the other side of the mould in the width direction of the mould; then, the yarn applying device is adopted to lay the fabric in a mode of continuously separating one module at one side of the mould in the length direction of the mould, and the yarn applying device is adopted to lay the fabric in a mode of continuously separating two modules at the other side of the mould in the length direction of the mould;
s22 laying the second, third and fourth layers, laying the yarn in the mode that the yarn applicator is continuously separated by one module on one side of the mould in the width direction of the mould, and laying the yarn in the mode that the yarn applicator is continuously separated by two modules on the other side of the mould in the width direction of the mould; then, the yarn applying device is adopted to lay the fabric in a mode of continuously separating one module at one side of the mould in the length direction of the mould, and the yarn applying device is adopted to lay the fabric in a mode of continuously separating two modules at the other side of the mould in the length direction of the mould;
s23 laying for the fifth layer, laying in the mode that the yarn applicator is continuously separated by one module on one side of the mould in the width direction of the mould, and laying in the mode that the yarn applicator is continuously separated by two modules on the other side of the mould in the width direction of the mould; then, the yarn applying device is paved on one side of the mold at intervals of one module continuously in the length direction of the mold, the yarn applying device is paved on the other side of the mold at intervals of two modules continuously in the length direction of the mold, and then 25-30% of resin mixture is added;
s24 laying a sixth layer, namely laying the sixth layer in a mode that a yarn applicator is continuously arranged on one side of the mould at intervals of one module in the width direction of the mould, and laying the sixth layer in a mode that the yarn applicator is continuously arranged on the other side of the mould at intervals of two modules in the width direction of the mould for pressing and leveling; then, continuously separating a module on one side of the die by using a yarn applicator in the length direction of the die, and continuously separating two modules on the other side of the die by using the yarn applicator in the length direction of the die;
s25 laying the seventh and eighth layers, laying the yarn in the mode that the yarn applicator is continuously separated by one module on one side of the mould in the width direction of the mould, and laying the yarn in the mode that the yarn applicator is continuously separated by two modules on the other side of the mould in the width direction of the mould; then, the yarn applying device is adopted to lay the fabric in the length direction of the mould in a mode of continuously separating one module from one side of the mould, the yarn applying device is adopted to lay the fabric in the length direction of the mould in a mode of continuously separating two modules from the other side of the mould, and 25-30% of resin mixture is added after the eighth layer is laid;
s26 laying the ninth layer, laying the ninth layer in the mode that a yarn applicator is continuously arranged on one side of the mould at intervals of one module in the width direction of the mould, and laying the ninth layer in the mode that the yarn applicator is continuously arranged on the other side of the mould at intervals of two modules in the width direction of the mould for pressing and leveling; then, the yarn applying device is adopted to lay the fabric in a mode of continuously separating one module at one side of the mould in the length direction of the mould, and the yarn applying device is adopted to lay the fabric in a mode of continuously separating two modules at the other side of the mould in the length direction of the mould;
s27 laying the 10 th layer, laying the yarn applying device on one side of the mould at intervals of three modules continuously in the width direction of the mould, laying the yarn applying device on the other side of the mould at intervals of three modules continuously in the width direction of the mould, then pressing and leveling, and adding 5-10% of resin mixture.
4. The process for manufacturing a glass fiber reinforced plastic step plate according to claim 3, wherein S10 further comprises setting the cutting width of the glass fiber cloth according to the width of the low module, and setting the number of layers of the glass fiber cloth according to the height difference between the high module and the low module.
5. The process for producing a glass fiber reinforced plastic step plate according to claim 3, wherein the step S40 comprises the steps of:
s41, measuring the height and trimming the face, wherein the height of the resin mixed liquid is adjusted to be the same after the resin mixed liquid is added each time;
s42, curing, controlling the temperature to be 75-85 ℃, and demolding after the grid is completely cured by using sharp tweezers;
s43, demoulding, pressing a hydraulic ejection switch, firstly, completely ejecting the grids, cleaning loose cover plates on the modules by using high-pressure gas or other cleaning tools, and then ejecting the modules upwards in parallel and stably;
and S44, polishing the surface of the grating by using a grinding wheel after the grating is demoulded, removing acute angles formed by molding and redundant resin and glass fiber yarns, measuring the height by using a depth gauge to ensure that the height reaches the process requirement height, polishing the protrusion formed on the back of the grating due to the depression of the thimble by using the grinding wheel, and brushing dust and scraps by using a brush after polishing to obtain the glass fiber reinforced plastic step plate.
6. The process for producing a glass fiber reinforced plastic step plate according to claim 5, wherein the bubbles are eliminated by spraying styrene before curing.
7. The process for producing a glass fiber reinforced plastic step plate according to claim 3, wherein the yarn applicator is a yarn spreader of three copper tubes, and three glass fiber yarns are penetrated in each copper tube.
8. The process for producing a glass fiber reinforced plastic step plate according to claim 3, wherein each pressing time is more than 30 s.
9. The process for producing a glass fiber reinforced plastic step plate according to claim 3, wherein a sand layer is provided on the glass fiber cloth after the glass fiber cloth on the lower module is laid.
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| CN114435291A (en) * | 2021-12-31 | 2022-05-06 | 张家港市长力久汽车零部件制造有限公司 | Front grid protecting net with glass fiber reinforced plastic wrapping edges and wrapping method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3895981A (en) * | 1967-02-20 | 1975-07-22 | Breveteam Sa | Textile bottom floor cover having at least one reinforcing strip and method of production thereof |
| CN102886842A (en) * | 2012-10-12 | 2013-01-23 | 优利康达（天津）科技有限公司 | Integral forming die for anti-sliding layer on surface of glass reinforced plastic product and production method |
| CN104118125A (en) * | 2014-06-18 | 2014-10-29 | 浙江杉盛模塑科技有限公司 | Grating and preparation method thereof |
| CN109648883A (en) * | 2018-11-19 | 2019-04-19 | 南通时瑞塑胶制品有限公司 | A kind of battery curing room support composite plate and its forming method |
-
2021
- 2021-01-12 CN CN202110036218.2A patent/CN112873896B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3895981A (en) * | 1967-02-20 | 1975-07-22 | Breveteam Sa | Textile bottom floor cover having at least one reinforcing strip and method of production thereof |
| CN102886842A (en) * | 2012-10-12 | 2013-01-23 | 优利康达（天津）科技有限公司 | Integral forming die for anti-sliding layer on surface of glass reinforced plastic product and production method |
| CN104118125A (en) * | 2014-06-18 | 2014-10-29 | 浙江杉盛模塑科技有限公司 | Grating and preparation method thereof |
| CN109648883A (en) * | 2018-11-19 | 2019-04-19 | 南通时瑞塑胶制品有限公司 | A kind of battery curing room support composite plate and its forming method |
Non-Patent Citations (1)
| Title |
|---|
| 郭伟宁: ""海上平台结构楼梯的防滑踏步应用研究"", 《化学工程与装备》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114435291A (en) * | 2021-12-31 | 2022-05-06 | 张家港市长力久汽车零部件制造有限公司 | Front grid protecting net with glass fiber reinforced plastic wrapping edges and wrapping method thereof |
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| CN112873896B (en) | 2022-02-18 |
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Effective date of registration: 20221027 Address after: 226000 No. 99 Xingyu Road, Gangzhao District, Nantong City, Jiangsu Province Patentee after: NANTONG SHIRUI PLASTIC PRODUCTS CO.,LTD. Address before: 226500 No.8 Keji Road, Jiuhua Town, Rugao City, Nantong City, Jiangsu Province Patentee before: Jiangsu Shirui New Material Technology Co.,Ltd. |