CN105881801B - A kind of well lid production technology - Google Patents
A kind of well lid production technology Download PDFInfo
- Publication number
- CN105881801B CN105881801B CN201610298203.2A CN201610298203A CN105881801B CN 105881801 B CN105881801 B CN 105881801B CN 201610298203 A CN201610298203 A CN 201610298203A CN 105881801 B CN105881801 B CN 105881801B
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- CN
- China
- Prior art keywords
- leftover pieces
- mold
- well lid
- production technology
- oven
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
- B29C2043/5816—Measuring, controlling or regulating temperature
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulding By Coating Moulds (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
The invention discloses a kind of well lid production technology, its key points of the technical solution are that step 1：Leftover pieces are selected, the material of leftover pieces is one or more of glass dimension, carbon fiber and epoxide resin material；Step 2：Remove the plastic film on leftover pieces surface；Step 3：According to the weight of product itself after finishing, the weight of leftover pieces needed for weighing proportioning；Step 4：Leftover pieces are put into preheating oven and are heated and softened, heating temperature is between 60 DEG C to 90 DEG C, heating time 15min to 25min；Step 5：Leftover pieces after softening are filled in mold, are compacted afterwards by hydraulic press；Step 6：Mold after compacting is put into shaping oven, shaping oven temperature is between 180 DEG C to 220 DEG C, heating time 20min to 30min；Step 7：The demoulding；Step 8：It naturally cools to after demoulding between 90 DEG C to 110 DEG C, while hot thick polishing；Step 9：Room temperature is naturally cooled to, carries out smart polishing.Reach that cost is relatively low, more environmental protection and the more efficient effect of polishing.
Description
Technical field
The utility model is related to a kind of road equipment production method, more particularly to a kind of well lid production technology.
Background technology
As urban road is constantly built and developed, all kinds of facility well lids, the sluicing well lid that are matched in road increasingly increase severely.
Traditional manhole has casting iron well lid, concrete well cover, plastics well lid, resin compounded well lid etc., and wherein casting iron well lid is easily stolen, concrete well
Lid is easily peeled off and crushed, and the yielding aging of plastics well lid, the easy embrittlement of resin compounded well lid does not carry, and root is the fibre that well lid uses
Drawing object is glass fibre, because glass fibre quality is crisp, is easily disconnected under the effect of greater impact power.
The key not carried for thus solving the problems, such as resin combined manhole cover is to substitute glass with the stronger fiber of pull resistance
Fiber.On the other hand, substantial amounts of leftover pieces are generated during the Chinese clothing of 1,300,000,000 populations, according to the cloth in test leftover pieces
The tensile strength generated after fiber and resin cast is considerably more than the intensity of glass fibre and resin alloy.
In the prior art, the method for producing well lid can refer to the Chinese patent of Application No. 201210412234.8, mostly
Number is mixed using raw material, and then slurry pours into mold and produces；Or application reference number is 201510096410.5
Chinese patent, by some leftover pieces melt into slurry add auxiliary material formed mixture, then by mixture pour into mold production and
Into.
And selected leftover pieces are different, the well lid quality produced also difference.In current material, after aircraft on empennage
Some pad pastings either pad pasting on circuit board etc. commonly using glass fibre, carbon fiber or epoxide resin material.And in material
During expecting use, many leftover pieces can be generated, and these leftover pieces are arbitrarily abandoned and more wasted, and also result in certain dirt
Dye.Meanwhile, it is necessary to polish it after product stripping after forming, the needs of polishing are more careful, polishing is slower.
Utility model content
The purpose of this utility model is to provide that a kind of cost is relatively low, more environmental protection and polishing more efficient well lid production work
Skill.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of well lid produces work
Skill,
Step 1：Leftover pieces are selected, the material of leftover pieces is glass fibre, carbon fiber and epoxy resin composition；Glass fibers
The mass ratio of dimension, carbon fiber and epoxide resin material is 2:1:1
Step 2：Remove the plastic film on leftover pieces surface；
Step 3：According to the weight of product itself after finishing, the weight of leftover pieces needed for weighing proportioning；
Step 4：Leftover pieces are put into preheating oven and are heated and softened, heating temperature is between 60 DEG C to 90 DEG C, heating
Time 15min to 25min；
Step 5：Leftover pieces after softening are filled in mold, are compacted afterwards by hydraulic press；
Step 6：Mold after compacting is put into shaping oven, shaping oven temperature adds between 180 DEG C to 220 DEG C
Hot time 20min to 30min；
Step 7：The demoulding；
Step 8：It naturally cools to after demoulding between 90 DEG C to 110 DEG C, while hot thick polishing；
Step 9：Room temperature is naturally cooled to after thick polishing, smart polishing is carried out, is put in storage afterwards.
Pass through above technical scheme：Materials'use is leftover pieces, more environmentally friendly, and need to only be put into solid raw material
Into mold, facilitate proportioning, be conveniently operated, overall production cost is relatively low；And raw material grind pressure one-pass molding through high temperature, make
Material is integrated, and the product bearing capacity produced is larger；It ensure that epoxy resin fully oozing in carbon fiber, glass fibre
Thoroughly, bonding force is greatly enhanced, the product made is under Cyclic Load, it is not easy to internal injury, layering are generated, so as to protect
The service life of the product is demonstrate,proved；Meanwhile product hardness is three times of cast iron, weight is 1/3rd of cast iron, is coagulation
/ 5th of native resin composite materials, well lid model is different, varies in weight, most light more than ten kilograms, most heavy 30 kilograms
Effect, single worker can easily install, and be aided in without lifting equipment, reduce installation cost；Product non-corrosive, nontoxic, tool
It is the multiple functions such as strong acid-base, corrosion resistance, anti-aging to have apparent；Product is not supported to burn, and anti-flammability is splendid.Polishing
When, while hot first when slightly polish, product is softer at this time, conveniently repaiies larger burr, and essence polishing at this moment, accidentally can be easy
Damage product；After being cooled to room temperature therefore, smart polishing is being carried out, smaller burr is being repaiied.
Preferably, can be placed after leftover pieces removal plastic film in step 2, when placement, is covered with film,
Standing time is no more than 30min.
Through the above technical solutions, in real work, oxidation, aging easily occur for the leftover pieces for being removed plastic film
Phenomena such as, and there is certain viscosity on surface, becomes easily infected by dust, by the covering of film, plays to a certain extent dust-proof
Effect, while standing time is reduced, guarantee material will not excessively aoxidize or aging, ensures the quality of product.
Preferably, the heating time that oven is preheated in step 4 is 20min.
Through the above technical solutions, can ensure that raw material softening is abundant, longer time will not be delayed, ensure work
Efficiency.
Preferably, in step 5, the leftover pieces of 2 to 4 bar shapeds are set along the radial direction of mold, and in original state
When, the leftover pieces middle part of bar shaped is located at the bottom of mold, and both ends are located at outside mold, the item after all leftover pieces are put into mold
The both ends of shape leftover pieces are placed into mold.
Through the above technical solutions, when filler process in which materials is more fluffy, the leftover pieces of radial direction strip can be passed through
It ties, in filler defective tightness, easily can be pulled out material by the both ends for the leftover pieces for holding radial direction strip
Mold facilitates progress filler again.
Preferably, hydraulic press pressurizes 3 to 4 times.
Through the above technical solutions, during raw material are compacted, there are certain air between material, repeatedly add
Pressure, may be such that air can facilitate discharge within the off time of pressurization, ensure that and combines more closely between material.
Preferably, it is 200 DEG C that oven temperature is shaped in step 6.
Through the above technical solutions, product its without any metallic additions, so as to play insulation effect truly
Fruit, can it is complicated and changeable, severe, high place is required to use, pressed by 200 DEG C of high temperature mill, can be at -50 DEG C to 150 DEG C
Normal use under adverse circumstances, material therefor are not supported to burn, and anti-flammability is splendid.
Preferably, the heating time that oven is shaped in step 6 is 20min.
Pass through above technical scheme so that material fully melts, and more close, guarantee product matter is combined between material
Amount.
Preferably, the mass ratio of glass fibre, carbon fiber and epoxide resin material is 2:1:1.
By above technical scheme, after ensureing that material at high temperature mill is molded, product has preferable bearing capacity and physical life.
In conclusion the utility model has the advantages that：So that product has higher bearing capacity, service life
Longer, light easy to install, corrosion-resistant, polishing is convenient and is less likely to be damaged product, and cost is relatively low.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.The identical attached drawing of wherein identical parts
Mark represents.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to
It is the direction in attached drawing, word " bottom surface " and " top surface ", " interior " and " outer " are referred respectively to towards or away from particular elements geometry
The direction at center.
A kind of well lid production technology, step 1：By buy back come leftover pieces classify, glass fibre, carbon fiber and
Epoxide resin material is separated from each other, separate material when, material volume it is similar be placed on a pile, can be smaller leftover pieces one
Heap, larger a pile, if too long or too big leftover pieces can be cut.（Illustrate herein：Smaller and larger corner
Material is that in contrast, the area of smaller leftover pieces can be less than 0.06 ㎡, and the area of larger leftover pieces may be greater than
0.06 ㎡, in sub-material without too accurate）
Step 2：Manually the plastic film on leftover pieces surface can be removed, the plastic film on leftover pieces plays centainly
Buffer action, place leftover pieces transport store when occur oxidation or aging, this be on leftover pieces per se with；It is using
When need to remove in plastics, the plastic film except under can be used for plastic grain is made.And it is mainly first removed when removing larger
Plastic film on leftover pieces, is then stacked upon.
During stacking, material in heaps can be covered with film, can so prevent dust, and put
The time is put no more than 30min, it can be while film be removed, while carrying out the operation of next step.
Step 3：Since the model of each product is different, the required material quantity of product itself is also different, according to
Using the weighing instrument of electronic scale, counterweight is carried out to the required material of institute for the weight of product itself after finishing.After the completion of counterweight
The material quantity for representing a product is individually put into a pile.During counterweight, leftover pieces are selected, the materials of leftover pieces is glass fibre,
Carbon fiber and epoxy resin composition；The mass ratio of glass fibre, carbon fiber and epoxide resin material can be 2:1:1.
During counterweight, if weight within an ace of, can add smaller leftover pieces, when addition, will be smaller
Plastic film on leftover pieces is torn off.
Step 4：After the completion of counterweight, leftover pieces are put into preheating oven and are heated and softened, the heating temperature of oven is extremely
Between 60 DEG C to 90 DEG C, when the material of leftover pieces is carbon fiber, the heating temperature for preheating oven can be 80 DEG C, the material of leftover pieces
Expect for glass fibre when, preheat oven heating temperature can be 70 DEG C；Oven heat time 15min to 25min is preheated, it can be with
It is 15min, 25min, is preferably 20min.
Step 5：Can be by the way that manually the leftover pieces after softening be filled in mold, it, can during leftover pieces are put into
With by manually carrying out preliminary compacting；Then the mold that finishes will be loaded to be put into hydraulic press, by hydraulic press by leftover pieces
Compacting.Hydraulic press can pressurize 3 times or 4 times during pressurization.
Before leftover pieces are inserted, first smearing release agent, releasing agent are epoxy resin release agent on mold.
When filling out leftover pieces, the leftover pieces of 2 to 4 bar shapeds are set along the radial direction of mold, that is, can present mold
Bottom put two or four leftover pieces being disposed radially, and both ends are located at outside mold, are put into all leftover pieces
The both ends of bar shaped leftover pieces are placed into mold after in mold.Certainly, during leftover pieces are put, can also place again radially
The leftover pieces of setting；So when filler process in which materials is more fluffy, it can be tied by the leftover pieces of radial direction strip,
In filler defective tightness, material easily can be pulled out into mold by the both ends for the leftover pieces for holding radial direction strip, it is convenient
Carry out filler again.
Step 6：Mold after leftover pieces are compacted is put into shaping oven, and shaping oven temperature is at 180 DEG C to 220 DEG C
Between, can be 200 DEG C；Heating time 20min to 30min can be 20min.
Step 7：Mold after formed product from shaping oven is taken out, is demoulded.
The defective material in mold can be understood after the demoulding, it is possible to which smearing release agent carries out the life of next product
Production.
Step 8：It can be placed on ground after demoulding and carry out natural cooling, cool down 10min to 15min so that product
Temperature when can be 100 DEG C, carries out rough polishing, mainly says larger while hot at this temperature between 90 DEG C to 110 DEG C
Burr remove, facilitate the later stage essence polishing；
Step 9：Room temperature is naturally cooled to after thick polishing, carries out smart polishing, ensures the smooth of product, polishing is more quick
It is convenient, it is put in storage after polishing.
Product after shaping has following effect：
First, bearing capacity is big：Raw material grind pressure one-pass molding through high temperature, and material is made to be integrated, the product carrying produced
Power is larger.
2nd, service life is long：The product made of carbon fibre/glass collaboration increases epoxide resin material, it is ensured that resin exists
Carbon is fine, the fully penetrated in glass, greatly enhances the bonding force of the two, makes material under Cyclic Load, does not generate interior
Portion's damage, layering, so as to ensure that service life, and meet the poor disadvantage of material well lid bonding force beyond other, make
With the service life up to 50 years or more；
3rd, it is light, easy to install：For entire U-type groove body without any framework of steel reinforcement, hardness is three times of cast iron, and weight is simply cast
/ 3rd of iron are 1/5th of concrete resin composite materials, and well lid model is different, varies in weight, most light more than ten
Kilogram, most heavy 30 kilograms act on, and single worker can easily install, and are aided in without lifting equipment, reduce installation cost；
4th, high temperature resistant/low temperature, fire-retardant, good insulating：It is without any metallic additions, so as to play truly
Insulation effect, can it is complicated and changeable, severe, high place is required to use, pressed by 200 DEG C of high temperature mill, can be at -50 DEG C
Normal use under to 150 DEG C of adverse circumstances, material therefor are not supported to burn, and anti-flammability is splendid；
5th, it is corrosion-resistant：Its non-corrosive, nontoxic, it is that strong acid-base, corrosion resistance, anti-aging etc. are more to have apparent
Item function；
6th, beautiful smooth, transport is without worry：It is pressed through high temperature mill, is one-time formed, either appearance or internal structure,
All it is smooth, while its is light-weight, lid, seat fasten accurate, the problems such as overcoming " jump, lift up, shifting " of other well lids, and
The toughness of entire U-type groove body is very good, density is big, intensity is high, bearing capacity is big, be not in during transportation and packing it is frangible,
Easy to crack, deformation etc.；
7th, it is environmentally friendly：Material is examined by national product quality surveillance, and all technical meets and exceeds and builds
Material industry JC/T1009-2006 and construction industry CJ/T121-200 standards requirement, and be more than international EU criteria EN1433 and
The requirement of EN124 standards.
According to standard, load test is carried out to product, is applying finder charge 600kN, and is being kept for 30 seconds, unloading, it is desirable that
It is that product the destruction for influencing bearing capacity should not occur.
Concrete outcome can refer to following table：
| Trial target 3 | |
| Shape oven temperature | 200 |
| Shape the oven time | 20 |
| Material mixture ratio | Glass：Carbon is fine：Epoxy resin |
| Quality of materials ratio | 2:1:1 |
| Inspection result | It is qualified |
| Ultimate load | 778 |
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but
As long as it is all protected in the right of the utility model be subject to Patent Law.
Claims (7)
1. a kind of well lid production technology, it is characterised in that：
Step 1：Leftover pieces are selected, the material of leftover pieces is glass fibre, carbon fiber and epoxy resin composition；Glass fibre, carbon
The mass ratio of fiber and epoxide resin material is 2:1:1
Step 2：Remove the plastic film on leftover pieces surface；
Step 3：According to the weight of product itself after finishing, the weight of leftover pieces needed for weighing proportioning；
Step 4：Leftover pieces are put into preheating oven and are heated and softened, heating temperature is between 60 DEG C to 90 DEG C, heating time
15min to 25min；
Step 5：Leftover pieces after softening are filled in mold, are compacted afterwards by hydraulic press；
Step 6：Mold after compacting is put into shaping oven, shaping oven temperature is between 180 DEG C to 220 DEG C, during heating
Between 20min to 30min；
Step 7：The demoulding；
Step 8：It naturally cools to after demoulding between 90 DEG C to 110 DEG C, while hot thick polishing；
Step 9：Room temperature is naturally cooled to after thick polishing, smart polishing is carried out, is put in storage afterwards.
2. well lid production technology according to claim 1, it is characterised in that：In step 2 after leftover pieces removal plastic film
It can be placed, when placement is covered with film, and standing time is no more than 30min.
3. well lid production technology according to claim 1, it is characterised in that：The heating time of preheating oven is in step 4
20min。
4. well lid production technology according to claim 1, it is characterised in that：In step 5, by the corner of 2 to 4 bar shapeds
Material is set along the radial direction of mold, and in original state, the bottom of mold is located in the middle part of the leftover pieces of bar shaped, both ends are located at
Outside mold, the both ends of bar shaped leftover pieces are placed into mold after all leftover pieces are put into mold.
5. well lid production technology according to claim 1, it is characterised in that：Hydraulic press pressurizes 3 to 4 times.
6. well lid production technology according to claim 1, it is characterised in that：It is 200 DEG C that oven temperature is shaped in step 6.
7. well lid production technology according to claim 1, it is characterised in that：The heating time of shaping oven is in step 6
20min。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610298203.2A CN105881801B (en) | 2016-05-06 | 2016-05-06 | A kind of well lid production technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610298203.2A CN105881801B (en) | 2016-05-06 | 2016-05-06 | A kind of well lid production technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105881801A CN105881801A (en) | 2016-08-24 |
| CN105881801B true CN105881801B (en) | 2018-05-25 |
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ID=56702384
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610298203.2A Expired - Fee Related CN105881801B (en) | 2016-05-06 | 2016-05-06 | A kind of well lid production technology |
Country Status (1)
| Country | Link |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108943548A (en) * | 2018-09-07 | 2018-12-07 | 米库玻璃纤维增强塑料泰州有限责任公司 | A kind of carbon fibre composite manufacturing process |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1393604A (en) * | 2001-06-21 | 2003-01-29 | 王进喜 | Permanent manhole cover made of garbage |
| CN1559779A (en) * | 2004-03-10 | 2005-01-05 | 陈光威 | Nonmetal manhole cover and its manufacturing method |
| CN102189689A (en) * | 2011-04-02 | 2011-09-21 | 上海交通大学 | Preparation method for municipal manhole cover through fragmenting and sorting waste circuit boards |
| CN102493489A (en) * | 2011-11-15 | 2012-06-13 | 刘士祥 | High-toughness fabric fiber resin road manhole cover |
-
2016
- 2016-05-06 CN CN201610298203.2A patent/CN105881801B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1393604A (en) * | 2001-06-21 | 2003-01-29 | 王进喜 | Permanent manhole cover made of garbage |
| CN1559779A (en) * | 2004-03-10 | 2005-01-05 | 陈光威 | Nonmetal manhole cover and its manufacturing method |
| CN102189689A (en) * | 2011-04-02 | 2011-09-21 | 上海交通大学 | Preparation method for municipal manhole cover through fragmenting and sorting waste circuit boards |
| CN102493489A (en) * | 2011-11-15 | 2012-06-13 | 刘士祥 | High-toughness fabric fiber resin road manhole cover |
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| CN105881801A (en) | 2016-08-24 |
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