CN112477188A - Control method of glass fiber reinforced plastic sand inclusion pipe winding machine - Google Patents
Control method of glass fiber reinforced plastic sand inclusion pipe winding machine Download PDFInfo
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- CN112477188A CN112477188A CN202011166731.5A CN202011166731A CN112477188A CN 112477188 A CN112477188 A CN 112477188A CN 202011166731 A CN202011166731 A CN 202011166731A CN 112477188 A CN112477188 A CN 112477188A
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- Prior art keywords
- roller
- rolling
- sand inclusion
- rolling roller
- glass fiber
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- 239000004576 sand Substances 0.000 title claims abstract description 67
- 238000004804 winding Methods 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000011152 fibreglass Substances 0.000 title claims abstract description 27
- 238000005096 rolling process Methods 0.000 claims abstract description 118
- 239000004744 fabric Substances 0.000 claims abstract description 22
- 239000000853 adhesive Substances 0.000 claims abstract description 16
- 230000001070 adhesive effect Effects 0.000 claims abstract description 15
- 230000002093 peripheral effect Effects 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims description 17
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 9
- 230000007704 transition Effects 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 230000008595 infiltration Effects 0.000 claims description 7
- 238000001764 infiltration Methods 0.000 claims description 7
- 238000004590 computer program Methods 0.000 claims description 6
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 108010059892 Cellulase Proteins 0.000 claims description 3
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 claims description 3
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 3
- 108010059820 Polygalacturonase Proteins 0.000 claims description 3
- 229920001807 Urea-formaldehyde Polymers 0.000 claims description 3
- 229940106157 cellulase Drugs 0.000 claims description 3
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 108010093305 exopolygalacturonase Proteins 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 229920005749 polyurethane resin Polymers 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 229920006337 unsaturated polyester resin Polymers 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000002791 soaking Methods 0.000 abstract description 7
- 238000006243 chemical reaction Methods 0.000 abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 50
- 239000010410 layer Substances 0.000 description 10
- 239000006004 Quartz sand Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004816 latex Substances 0.000 description 2
- 229920000126 latex Polymers 0.000 description 2
- 229920001568 phenolic resin Polymers 0.000 description 2
- 239000005011 phenolic resin Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
Abstract
The invention provides a control method of a glass fiber reinforced plastic sand inclusion pipe coiling machine, which comprises the following steps: providing a rolling machine, wherein the rolling machine comprises a rolling roller, a soaking groove, a grinding roller and a cloth roller, an abrasive cloth bag is wound on the cloth roller, a guide roller is arranged in the soaking groove, the tail end of the abrasive cloth bag sequentially passes through the grinding roller and the guide roller and then is wound on the rolling roller, and an adhesive is contained in the soaking groove; setting various operation parameters when the rolling machine operates, setting conversion time, adjusting the initial position of the rolling roller, dynamically adjusting the rotating speed of the rolling roller and the relative position of the rolling roller when the rolling machine operates, and updating the conversion time at any time until all sand inclusion blanks wound on the outer peripheral surface of the rolling roller form the glass fiber reinforced plastic sand inclusion pipe. By adopting the technical scheme of the invention, the sand inclusion blank can be uniformly wound on the peripheral surface of the winding roller all the time, the winding quality and the production order are ensured, the finished product is firmly bonded by infiltrating the adhesive in the winding process, and the product quality is improved.
Description
Technical Field
The invention relates to the technical field of pipelines, in particular to a control method of a glass fiber reinforced plastic sand inclusion pipe coiling machine.
Background
At present, the glass fiber reinforced plastic sand inclusion pipe is widely used in the fields of ventilation, water supply and drainage and conveying chemical media in many fields such as municipal construction, agricultural development, chemical industry and the like.
The fiber winding sand inclusion pipe in the prior art, as disclosed in chinese patent document CN2572170Y, includes an inner liner, an inner winding layer, an outer winding layer, and an outer protective layer, wherein the inner winding layer and the outer winding layer are sequentially compounded on the outer surface of the inner liner from inside to outside, and the outer protective layer is wrapped on the outer surface of the outer winding layer; wherein a sand inclusion layer is arranged between the inner winding layer and the outer winding layer.
The sand adding technology generally adopted by the existing sand inclusion pipe is that quartz sand flows to a sand bag cloth or a conveyer belt by the dead weight, an adhesive is sprayed on the quartz sand, and the sand inclusion pipe is produced by a natural infiltration method. The pipeline produced by the technology has the defects that the quantity of the adhesive and the quartz sand can not be ensured to be supplied synchronously all the time, and the content of the adhesive in a sand inclusion layer is not uniform and even the phenomenon of impregnation is caused; and the dosage of the quartz sand and the adhesive can not be accurately measured and controlled, so that the thickness of the sand inclusion layer is uneven, the compactness is not enough, a large amount of raw materials are wasted, and even defective products or unqualified products are produced.
Disclosure of Invention
In order to solve the technical problem, the invention provides a control method of a glass fiber reinforced plastic sand inclusion pipe coiling machine.
The invention is realized by the following technical scheme.
The invention provides a control method of a glass fiber reinforced plastic sand inclusion pipe coiling machine, which comprises the following steps:
the method comprises the following steps: providing a rolling machine, wherein the rolling machine comprises a rolling roller (1), an infiltration groove (2) and a pair of rolling rollers (3), rotatable cloth rollers (4) are further arranged on the left side and the right side of each rolling roller (3), a bag of abrasive cloth (5) is wound on each cloth roller (4), a guide roller (6) is installed in each infiltration groove (2), the tail end of each bag of abrasive cloth (5) sequentially passes through the rolling rollers (3) and the guide rollers (6) and then is wound on the corresponding rolling roller (1), and an adhesive (7) is contained in each infiltration groove (2);
step two: the length of the rolling roller (3) is set to be l0Is provided with the rollerThe outer diameter of the press roll (3) is d0The rotating speed of the rolling roller (3) is n0The outer diameter of the rolling roller (1) is D0The length of the rolling roller (1) is L0；
Step three: calculating and obtaining the initial rotating speed N of the winding roller (1) according to the following relational expression0：
Step four: the transition time Δ t is set according to the following relation and stored in a memory built in the system:
step five: adjusting the initial position of the rolling roller (1) to enable the end face of one end of the rolling roller (1) to be flush with the end face of one end of the rolling roller (3);
step six: operating the rolling machine, and when the mixed raw material is fed into the gap between the pair of rolling rollers (3), passing through the pair of rolling rollers (3) at a rotation speed n0Rotating in opposite directions to roll the mixed raw materials and the abrasive cloth (5) together to form a sand inclusion blank, wherein the width of the sand inclusion blank is the length l of the rolling roller (3)0The sand inclusion blank is soaked by the adhesive (7) and then wound on the peripheral surface of the winding roller (1), and the rotating speed of the winding roller (1) is equal to the initial rotating speed N of the winding roller (1)0Enabling the rolling roller (1) to move along the central axial direction of the rolling roller at a constant moving speed tau, enabling the sand inclusion blank to be wound on the outer surface of the rolling roller (1), and timing the running time through a timer;
step seven: retrieving a transition time Δ t from a system-built memory, moving the winding roller (1) in a direction of a constant movement τ when a winding machine operation time is equal to the transition time Δ t, and storing the transition time Δ t in the system-built memory after updating it according to the following relation:
step eight: and after repeating the steps six to seven k times, all the sand inclusion blanks wound on the outer peripheral surface of the winding roller (1) form the glass fiber reinforced plastic sand inclusion pipe.
The control method of the glass fiber reinforced plastic sand inclusion pipe rolling machine further comprises the step of acquiring the real-time rotating speed n of the rolling roller (3) through a speed sensoriWhen n isiAnd v0Satisfies the relation n0≤ni≤1.2n0And stopping operating the rolling machine, and starting from the sixth step after repeating the fifth step.
The outer diameter D of the rolling roller (1)0Is in the range of 200mm to 1500 mm.
The length L of the rolling roller (1)0Is in the range of 1000mm to 5000 mm.
The mixed raw materials are prepared by uniformly mixing quartz sand, latex powder and phenolic resin.
The adhesive (7) is unsaturated polyester resin, polyurethane resin, urea resin or epoxy resin, and the curing temperature is 20-100 ℃.
The mixed raw materials are also mixed with an accelerator and a curing agent.
The curing agent is any one of ethylenediamine, hexamethylenediamine or diethylenetriamine.
The accelerant consists of the following raw materials in parts by weight: 2-3 parts of cellulase, 2-3 parts of pectinase, 1-2 parts of glycerol and 20-30 parts of deionized water.
The rolling machine further comprises a pressing device (8) which is used for flattening the sand inclusion blank and transmitting the sand inclusion blank to the rolling roller (1) through the guide roller (6).
Furthermore, the present invention also provides a computer device comprising a memory and a processor, wherein the memory stores a computer program, and the processor implements the steps of the method according to any one of the preceding claims when executing the computer program.
The invention has the beneficial effects that: by adopting the technical scheme of the invention, the glass fiber reinforced plastic sand inclusion pipe has the advantages of light weight, convenient and quick construction, smooth inner wall, corrosion resistance and the like, the rotating speed of the rolling roller and the relative position of the rolling roller relative to the rolling roller are continuously and dynamically adjusted by a dynamic method, when sand inclusion blanks are wound on the outer peripheral surface of the rolling roller for one circle and are fully distributed on the outer peripheral surface of the rolling roller, the rotating speed of the rolling roller is adjusted, the winding direction is changed, the sand inclusion blanks can be uniformly wound on the outer peripheral surface of the rolling roller all the time, the sand inclusion blanks can be effectively prevented from being pulled apart, the winding quality and the production process order are ensured to be smoothly developed, in addition, the actual rotating speed of the rolling roller is monitored in the winding process, measures are timely taken to correct when the deviation is larger, the production order is ensured, in addition, the rolling agent is infiltrated while the sand inclusion blanks are wound on the rolling roller, the formed glass fiber reinforced plastic sand inclusion pipe is firmly bonded, the product quality is improved, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic view of the structure of the rolling machine of the present invention.
In the figure: 1-rolling roller, 2-soaking tank, 3-rolling roller, 4-cloth roller, 5-sand cloth bag, 6-guide roller, 7-adhesive, 8-pressure feeding device and 9-feeding hopper.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in FIG. 1, the invention provides a control method of a glass fiber reinforced plastic sand inclusion pipe rolling machine, which comprises the following steps:
the method comprises the following steps: providing a rolling machine, wherein the rolling machine comprises a rolling roller 1, a soaking tank 2 and a pair of rolling rollers 3, rotatable cloth rollers 4 are further arranged on the left side and the right side of the rolling rollers 3, an abrasive cloth bag 5 is wound on the cloth rollers 4, a guide roller 6 is arranged in the soaking tank 2, the tail end of the abrasive cloth bag 5 sequentially passes through the rolling rollers 3 and the guide roller 6 and then is wound on the rolling roller 1, and an adhesive 7 is contained in the soaking tank 2;
step two: the length of the rolling roller 3 is set to be l0The outer diameter of the rolling roller 3 is d0The rotating speed of the rolling roller 3 is n0The outer diameter of the winding roller 1 is D0The length of the winding roller 1 is L0；
Step three: calculating and obtaining the initial rotating speed N of the winding roller 1 according to the following relational expression0：
Step four: the transition time Δ t is set according to the following relation and stored in a memory built in the system:
step five: adjusting the initial position of the rolling roller 1 to enable the end face of one end of the rolling roller 1 to be flush with the end face of one end of the rolling roller 3;
step six: when the rolling machine is operated and the mixed raw material is fed into the gap between the pair of rolling rolls 3, the mixed raw material is passed through the pair of rolling rolls 3 at a rotational speed n0Rotating towards each other to roll the mixed raw materials and the abrasive cloth 5 together to form a sand inclusion blank, wherein the width of the sand inclusion blank is the length l of the rolling roller 30The sand inclusion blank is soaked by the adhesive 7 and then wound on the outer circumferential surface of the winding roller 1, and the rotating speed of the winding roller 1 is equal to the initial rotating speed N of the winding roller 10Moving the rolling roller 1 along the central axial direction thereof at a constant moving speed tau, winding the sand-inclusion blank on the outer surface of the rolling roller 1, and timing the running time by a timer;
step seven: the switching time Δ t is retrieved from the memory built in the system, the winding roller 1 is moved in the direction of the constant movement τ when the winding machine operation time is equal to the switching time Δ t, and the switching time Δ t is stored in the memory built in the system after being updated in accordance with the following relational expression:
step eight: and after repeating the steps six to seven k times, all the sand inclusion blanks wound on the outer peripheral surface of the winding roller 1 form the glass fiber reinforced plastic sand inclusion pipe.
Further, the control method of the glass fiber reinforced plastic sand inclusion pipe rolling machine further comprises the step of acquiring the real-time rotating speed n of the rolling roller 3 through a speed sensoriWhen n isiAnd v0Satisfies the relation n0≤ni≤1.2n0And stopping operating the rolling machine, and starting from the sixth step after repeating the fifth step. Thereby preventing the sand inclusion blank from being pulled apart.
In addition, the outer diameter D of the winding roller 1 is preferable0Is in the range of 200mm to 1500 mm. Length L of winding roller 10Is in the range of 1000mm to 5000 mm. The mixed raw materials are prepared by uniformly mixing quartz sand, latex powder and phenolic resin. The adhesive 7 is unsaturated polyester resin, polyurethane resin, urea resin or epoxy resin, and the curing temperature is 20-100 ℃. The mixed raw materials are also mixed with an accelerant and a curing agent. The curing agent is any one of ethylenediamine, hexamethylenediamine or diethylenetriamine. The accelerant consists of the following raw materials in parts by weight: 2-3 parts of cellulase, 2-3 parts of pectinase, 1-2 parts of glycerol and 20-30 parts of deionized water.
In addition, the rolling machine also comprises a pressing device 8 which is used for flattening the sand inclusion blank and transmitting the sand inclusion blank to the rolling roller 1 through the guide roller 6. The rolling machine further comprises a feed hopper 9, and the feed hopper 9 is arranged right above a gap between the pair of rolling rollers 3 and used for feeding mixed raw materials.
In addition, the present invention also provides a computer device, comprising a memory and a processor, wherein the memory stores a computer program, and the processor implements the steps of the method when executing the computer program.
By adopting the technical scheme of the invention, the glass fiber reinforced plastic sand inclusion pipe has the advantages of light weight, convenient and quick construction, smooth inner wall, corrosion resistance and the like, the rotating speed of the rolling roller and the relative position of the rolling roller relative to the rolling roller are continuously and dynamically adjusted by a dynamic method, when sand inclusion blanks are wound on the outer peripheral surface of the rolling roller for one circle and are fully distributed on the outer peripheral surface of the rolling roller, the rotating speed of the rolling roller is adjusted, the winding direction is changed, the sand inclusion blanks can be uniformly wound on the outer peripheral surface of the rolling roller all the time, the sand inclusion blanks can be effectively prevented from being pulled apart, the winding quality and the production process order are ensured to be smoothly developed, in addition, the actual rotating speed of the rolling roller is monitored in the winding process, measures are timely taken to correct when the deviation is larger, the production order is ensured, in addition, the rolling agent is infiltrated while the sand inclusion blanks are wound on the rolling roller, the formed glass fiber reinforced plastic sand inclusion pipe is firmly bonded, the product quality is improved, and the production efficiency is improved.
Claims (10)
1. A control method of a glass fiber reinforced plastic sand inclusion pipe rolling machine is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: providing a rolling machine, wherein the rolling machine comprises a rolling roller (1), an infiltration groove (2) and a pair of rolling rollers (3), rotatable cloth rollers (4) are further arranged on the left side and the right side of each rolling roller (3), a bag of abrasive cloth (5) is wound on each cloth roller (4), a guide roller (6) is installed in each infiltration groove (2), the tail end of each bag of abrasive cloth (5) sequentially passes through the rolling rollers (3) and the guide rollers (6) and then is wound on the corresponding rolling roller (1), and an adhesive (7) is contained in each infiltration groove (2);
step two: the length of the rolling roller (3) is set to be l0The outer diameter of the rolling roller (3) is d0The rotating speed of the rolling roller (3) is n0The outer diameter of the rolling roller (1) is D0The length of the rolling roller (1) is L0；
Step three: calculating and obtaining the initial rotating speed N of the winding roller (1) according to the following relational expression0：
Step four: the transition time Δ t is set according to the following relation and stored in a memory built in the system:
step five: adjusting the initial position of the rolling roller (1) to enable the end face of one end of the rolling roller (1) to be flush with the end face of one end of the rolling roller (3);
step six: operating the rolling machine, and when the mixed raw material is fed into the gap between the pair of rolling rollers (3), passing through the pair of rolling rollers (3) at a rotation speed n0Rotating in opposite directions to roll the mixed raw materials and the abrasive cloth (5) together to form a sand inclusion blank, wherein the width of the sand inclusion blank is the length l of the rolling roller (3)0The sand inclusion blank is soaked by the adhesive (7) and then wound on the peripheral surface of the winding roller (1), and the rotating speed of the winding roller (1) is equal to the initial rotating speed N of the winding roller (1)0Enabling the rolling roller (1) to move along the central axial direction of the rolling roller at a constant moving speed tau, enabling the sand inclusion blank to be wound on the outer surface of the rolling roller (1), and timing the running time through a timer;
step seven: retrieving a transition time Δ t from a system-built memory, moving the winding roller (1) in a direction of a constant movement τ when a winding machine operation time is equal to the transition time Δ t, and storing the transition time Δ t in the system-built memory after updating it according to the following relation:
step eight: and after repeating the steps six to seven k times, all the sand inclusion blanks wound on the outer peripheral surface of the winding roller (1) form the glass fiber reinforced plastic sand inclusion pipe.
2. The control method of the winding machine for the glass fiber reinforced plastic sand inclusion pipe as claimed in claim 1, wherein: the control method of the glass fiber reinforced plastic sand inclusion pipe rolling machine further comprises the step of acquiring the real-time rotating speed n of the rolling roller (3) through a speed sensoriWhen n isiAnd v0Satisfies the relation n0≤ni≤1.2n0And stopping operating the rolling machine, and starting from the sixth step after repeating the fifth step.
3. The control method of the winding machine for the glass fiber reinforced plastic sand inclusion pipe as claimed in claim 1, wherein: the outer diameter D of the rolling roller (1)0Is in the range of 200mm to 1500 mm.
4. The control method of the winding machine for the glass fiber reinforced plastic sand inclusion pipe as claimed in claim 1, wherein: the length L of the rolling roller (1)0Is in the range of 1000mm to 5000 mm.
5. The method for preparing an environmentally friendly FRP pipe as claimed in claim 1, wherein: the adhesive (7) is unsaturated polyester resin, polyurethane resin, urea resin or epoxy resin, and the curing temperature is 20-100 ℃.
6. The control method of the winding machine for the glass fiber reinforced plastic sand inclusion pipe as claimed in claim 1, wherein: the mixed raw materials are also mixed with an accelerator and a curing agent.
7. The control method of the winding machine for the glass fiber reinforced plastic sand inclusion pipe as claimed in claim 6, wherein: the curing agent is any one of ethylenediamine, hexamethylenediamine or diethylenetriamine.
8. The control method of the winding machine for the glass fiber reinforced plastic sand inclusion pipe as claimed in claim 6, wherein: the accelerant consists of the following raw materials in parts by weight: 2-3 parts of cellulase, 2-3 parts of pectinase, 1-2 parts of glycerol and 20-30 parts of deionized water.
9. The control method of the winding machine for the glass fiber reinforced plastic sand inclusion pipe as claimed in claim 1, wherein: the rolling machine further comprises a pressing device (8) which is used for flattening the sand inclusion blank and transmitting the sand inclusion blank to the rolling roller (1) through the guide roller (6).
10. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that: the processor, when executing the computer program, realizes the steps of the method of any one of claims 1 to 9.
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| CN202011166731.5A CN112477188A (en) | 2020-10-27 | 2020-10-27 | Control method of glass fiber reinforced plastic sand inclusion pipe winding machine |
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| CN202011166731.5A CN112477188A (en) | 2020-10-27 | 2020-10-27 | Control method of glass fiber reinforced plastic sand inclusion pipe winding machine |
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