CN203066455U - Plastic coated wood pattern building template - Google Patents
Plastic coated wood pattern building template Download PDFInfo
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- CN203066455U CN203066455U CN 201320033561 CN201320033561U CN203066455U CN 203066455 U CN203066455 U CN 203066455U CN 201320033561 CN201320033561 CN 201320033561 CN 201320033561 U CN201320033561 U CN 201320033561U CN 203066455 U CN203066455 U CN 203066455U
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Abstract
A plastic coated wood pattern building template relates to building templates, and aims to solve the problem that an existing building template with high performance-price ratio has the defects of low turnover rate and poor mechanical property. The plastic coated wood pattern building template is characterized in that a core plate is made of an old template, a layer of wood veneer is pasted on each of the upper surface and the lower surface of the core plate, a layer of veneering is pasted on each layer of wood veneer, the thickness of the veneering is 0.5-3 mm, each layer of veneering consists of a polyolefin material layer and a non-woven fabric layer, and the non-woven fabric layer is positioned between the veneer and the polyolefin material layer. The plastic coated wood pattern building template has the advantages that the turnover time is 30-35 times, an increase of 10-17% of the existing building template, the use cost of the plastic coated wood pattern building template is reduced, the bending strength is 52-55 Mpa, the elasticity modulus is 6050-6210 Mpa, the strength is high, the toughness is good, the preparation method is simple, the cost is low, the implementation is easy, large-scale popularization and application are facilitated, the economic benefits and social benefits are relatively high, and the plastic coated wood pattern building template can be used in a construction project.
Description
Technical field
The utility model relates to a kind of construction formwork.
Background technology
Template is concrete structure engineering construction necessary tool, and it directly has influence on the economic benefit of quality, speed, cost and the construction enterprises of engineering construction.Waste and old template predominant use one is that waste and old product reclaim on the building site at present, the 2nd, and project management department is used for abutment wall and safeguards, and the 3rd, to drag away as building slag, waste and old template value is low; Wooden template in use exists demoulding difficulty, technical problem that the number of turnover is low in addition.
The existing patent No. is 201220667046.5, the Chinese patent of " a kind of New Type Architecture Mode with high performance-price ratio " by name, it has announced a kind of construction formwork, the central layer that this template is made by waste and old template and the veneer that is made of polyolefine material layer and nonwoven of upper and lower surface constitute, solved existing waste and old template regeneration, and wooden template demoulding difficulty in use, the problem that the number of turnover is low, but its number of turnover is up to 30 times, still not high, and the bending strength of this construction formwork is about 45MPa, modulus of elasticity is 5720～5750MPa, mechanical property is not high, and it is necessary therefore seeking a kind of construction formwork with the higher number of turnover and mechanical property.
Summary of the invention
The utility model purpose is the problem that will solve the low and poor mechanical property of existing a kind of New Type Architecture Mode number of turnover with high performance-price ratio, and provides a kind of wooden model to cover plastic building mould.
It is respectively to paste one deck wood skin on the upper and lower surface of the central layer that utilizes waste and old template to make that a kind of wooden model of the present utility model covers plastic building mould, the thickness of wood skin is 0.8～3mm, respectively paste one deck veneer on the wooden skin surface on the upper and lower surface of central layer again, the thickness of veneer is 0.5～3mm, every laminating face is made of polyolefine material layer and nonwoven, and nonwoven is between wooden skin and polyolefine material layer.
Wooden model covers plastic building mould in the utility model, the central layer that employing utilizes waste and old template to make, solved the problem of waste and old template regeneration, improved the cost performance of construction formwork greatly, thereby also reduced the use cost of template, and utilize the low characteristic of polyolefin veneer surface-active, make the template demoulding easy, need not release agent, the not sticking cement of the template surface after the use, template does not need to clean, demould time is short, and any surface finish maintenance easy to clean is corrosion-resistant, do not pollute concrete surface, thereby can cancel plastered work, shorten the duration of fitment operation; And use number of turnover height, and be 30～35 times, improve 10%～17% than existing building template, thereby also reduced the use cost of template.Wooden model of the present utility model covers plastic building mould, ratio of strength to weight height, thus make easy construction and guarantee workmanship; And its bending strength is that 52～55MPa, modulus of elasticity are 6050～6210MPa, the intensity height, and good toughness can reduce the usage quantity that construction formwork supports; The template breadth is wide, piece is few, and support and form removal speed are fast.The preparation method that wooden model of the present utility model covers plastic building mould is simple, and cost is low, is easy to realize, is fit to large-scale promotion and uses, and has high economic benefit and social benefit, can be used in the construction work.
Description of drawings
Fig. 1 is the structure chart that wooden model covers plastic building mould in the specific embodiment one, and wherein 1 is the central layer that utilizes waste and old template to make, and 2 is wooden skin, and 3 is nonwoven, and 4 for being the polyolefine material layer.
The specific embodiment
The specific embodiment one: with reference to figure 1, it is respectively to paste one deck wood skin 2 on the upper and lower surface of the central layer 1 that utilizes waste and old template to make that a kind of wooden model of present embodiment covers plastic building mould, the thickness of wood skin 2 is 0.8～3mm, respectively paste one deck veneer on wooden skin 2 surfaces on the upper and lower surface of central layer 1 again, the thickness of veneer is 0.5～3mm, every laminating face is made of polyolefine material layer 4 and nonwoven 3, and nonwoven 3 is between wooden skin 2 and polyolefine material layer 4.
Polyolefin is one or more combinations with any ratio in polyethylene, polypropylene, polyethylene reclaimed materials and the polypropylene reclaimed materials in the present embodiment.
The specification of nonwoven 3 is 30～150g/m in the present embodiment
2
The specific embodiment two: what present embodiment and the specific embodiment one were different is: the thickness of wooden skin (2) is 1～2.5mm, and other is identical with the specific embodiment one.
The specific embodiment three: what present embodiment was different with the specific embodiment one or two is: the thickness of wooden skin (2) is 1.8mm, and other is identical with the specific embodiment one or two.
The specific embodiment four: what present embodiment was different with one of specific embodiment one to three is: the thickness of veneer is 0.8mm～2.5mm, and other is identical with one of specific embodiment one to three.
The specific embodiment five: what present embodiment was different with one of specific embodiment one to four is: the thickness of veneer is 1.5mm, and other is identical with one of specific embodiment one to four.
The specific embodiment six: with reference to figure 1, the preparation method that a kind of wooden model of present embodiment covers plastic building mould carries out according to the following steps:
One, the waste and old template that reclaims will go the nail template to be in the same place according to different thickness and width difference pile through getting the nail letter sorting, and the waste and old masterplate that will sort is then vertically opened material, obtains the waste and old plate of touching of every width unanimity;
Two, above-mentioned waste and old template is carried out flush processing to two ends on butting saw, the defective part in two ends is amputated, requiring to reach four angles all is 90 degree, chooses the above plank of length 1870mm;
Three, the plank more than the length 1870mm is carried out saw blade at polygon saw, acquisition length is that 1870mm, thickness are the fillet plate of 13mm;
Four, be under the condition of 0.3～0.8MPa with above-mentioned fillet plank at splicing air pressure, being spliced into length is that 1870mm, width 945mm, thickness are the dimension board of 13mm, is coated with adhesive between the fillet plate, and the joint glue-spread is 30～200g/m
2, obtaining splicing back specification is the slab of 1870mm * 945mm * 13mm;
Five, holes all on the step 4 gained slab is transferred with sawdust and polyurethane glue filled up after mixing, exceed 1～3mm than plate face behind the hole repairing, obtain the slab that mends;
Six, the slab that mends is lain on the pallet, separate with three parting beads between plate and the plate, carry out the aeration-drying of nature, be 24～48h drying time, obtains dried plank;
Seven, dried plank is carried out two-sided fixed thick sanding at wide-belt sander, sanding is to obtaining smooth, the no hole of two sides sanding, seamless central layer 1;
Eight, take by weighing the filler of 85%～100% polyolefin and 0～15% and the two is mixed by mass percentage, obtain the polyolefin material, again the polyolefin material is joined in the vertical three roller plastic sheet units and extrude, obtain polyolefine material layer 4, after the polyolefine material layer of extruding 4 covers layer of non-woven fabric 3, be under 70～140 ℃ the condition in the roller temperature, two-layer pinched together this by three roller plastic sheet units again, obtain covering the polyolefin veneer of nonwoven 3;
Nine, by glue-spread 200～400g/m
2Adhesive is coated on the upper and lower surface of wooden skin 2, place it in the polyolefin veneer that covers nonwoven 3 and central layer 1 centre of handling through step 7 then, nonwoven 3 contacts with wooden skin 2, and upper and lower surface is not always the case, place press to suppress, namely finish the preparation that wooden model covers plastic building mould;
Wherein adhesive is polyurethane or melmac in the step 4;
Filler in the step 8 is French chalk or Paris white;
The specification of nonwoven 3 is 30～150g/m in the step 8
2
When press was cold press in the step 9, the pressure during compacting was that 0.5MPa～3MPa, press time are 4～5h; When press was hot press, the temperature during compacting was that 130～145 ℃, pressure are that 0.5MPa～3MPa, press time are 0.4～2h.
Vertically open material in the present embodiment step 1: open material according to the width of old plate and the specification that requires to open material, utilize the width of old plate, be split into wideer specification as far as possible, also will reduce waste material simultaneously, to improve the utilization rate of old plate as far as possible.
Fill up in the present embodiment step 5: require all will fill up all holes on slab two sides, must not leak benefit.
Polyolefinic extruding is prior art in the present embodiment step 8.
Hole in the present embodiment step 5 on the slab is 0.5mm when above, fill up with adhesive for polyurethane putty.
Polyolefin in the present embodiment step 8 is one or more combinations with any ratio in polyethylene, polypropylene, polyethylene reclaimed materials and the polypropylene reclaimed materials.
Adhesive is polyurethane, epoxy resin, melamine or phenolic resins in the present embodiment step 9.
Embodiment 1:(is in conjunction with Fig. 1) a kind of wooden model preparation method of covering plastic building mould carries out according to the following steps:
One, the waste and old template that reclaims will go the nail template to be in the same place according to different thickness and width difference pile through getting the nail letter sorting, and the waste and old masterplate that will sort is then vertically opened material, obtains the waste and old plate of touching of every width unanimity;
Two, above-mentioned waste and old template is carried out flush processing to two ends on butting saw, the defective part in two ends is amputated, requiring to reach four angles all is 90 degree, chooses the above plank of length 1870mm;
Three, the plank more than the length 1870mm is carried out saw blade at polygon saw, acquisition length is that 1870mm, thickness are the fillet plate of 13mm;
Four, be under the condition of 0.5MPa with above-mentioned fillet plank at splicing air pressure, being spliced into length is that 1870mm, width 945mm, thickness are the dimension board of 13mm, is coated with adhesive between the fillet plate, and the joint glue-spread is 120g/m
2, obtaining splicing back specification is the slab of 1870mm * 945mm * 13mm;
Five, holes all on the step 4 gained slab is transferred with sawdust and polyurethane glue filled up after mixing, exceed 1mm than plate face behind the hole repairing, obtain the slab that mends;
Six, the slab that mends is lain on the pallet, separate with three parting beads between plate and the plate, carry out the aeration-drying of nature, be 36h drying time, obtains dried plank;
Seven, dried plank is carried out two-sided fixed thick sanding at wide-belt sander, sanding is to obtaining smooth, the no hole of two sides sanding, seamless central layer 1;
Eight, take by weighing the filler of 90% polyolefin and 10% and the two is mixed by mass percentage, obtain the polyolefin material, again the polyolefin material is joined in the vertical three roller plastic sheet units and extrude, obtain polyolefine material layer 4, after the polyolefine material layer of extruding 4 covers layer of non-woven fabric 3, be under 110 ℃ the condition in the roller temperature, two-layer pinched together this by three roller plastic sheet units again, obtain covering the polyolefin veneer of nonwoven 3;
Nine, by glue-spread 350g/m
2Adhesive is coated on the upper and lower surface of wooden skin 2, place it in the polyolefin veneer that covers nonwoven 3 and central layer 1 centre of handling through step 7 then, nonwoven 3 contacts with wooden skin 2, and upper and lower surface is not always the case, place press to suppress, namely finish the preparation that wooden model covers plastic building mould;
Wherein the polyolefin in the step 8 is polyethylene;
Filler in the step 8 is French chalk;
The specification of nonwoven is 100g/m in the step 8
2
Press is cold press in the step 9, and the pressure during compacting is that 2.5MPa, press time are 5h.
The thickness of wooden skin is 1mm in the present embodiment, and the thickness of veneer is 1mm.
The wooden model for preparing in the present embodiment covers plastic building mould, and after tested, its surperficial bonding strength and mechanical performance index see Table 1.
Table 1
Wooden model covers plastic building mould in the present embodiment, the central layer that employing utilizes waste and old template to make, solved the problem of waste and old template regeneration, improved the cost performance of construction formwork greatly, thereby also reduced the use cost of template, and utilize the low characteristic of polyolefin veneer surface-active, make the template demoulding easy, need not release agent, the not sticking cement of the template surface after the use, template does not need to clean, demould time is short, and any surface finish maintenance easy to clean is corrosion-resistant, do not pollute concrete surface, thereby can cancel plastered work, shorten the duration of fitment operation; And use the number of turnover up to 33 times, improve 10% than existing building template, thereby also reduced the use cost of template.The utility model wooden model covers plastic building mould, ratio of strength to weight height, thus make easy construction and guarantee workmanship; And its bending strength is that 55MPa, modulus of elasticity are 6210MPa, the intensity height, and good toughness can reduce the usage quantity that construction formwork supports; The template breadth is wide, piece is few, and support and form removal speed are fast.Wooden model of the present utility model covers that the plastic building mould its preparation method is simple, and cost is low, is easy to realize, is fit to large-scale promotion and uses, and has high economic benefit and social benefit, can be used in the construction work.
Embodiment 2:(is in conjunction with Fig. 1) a kind of wooden model of present embodiment preparation method of covering plastic building mould carries out according to the following steps:
One, the waste and old template that reclaims will go the nail template to be in the same place according to different thickness and width difference pile through getting the nail letter sorting, and the waste and old masterplate that will sort is then vertically opened material, obtains the waste and old plate of touching of every width unanimity;
Two, above-mentioned waste and old template is carried out flush processing to two ends on butting saw, the defective part in two ends is amputated, requiring to reach four angles all is 90 degree, chooses the above plank of length 1870mm;
Three, the plank more than the length 1870mm is carried out saw blade at polygon saw, acquisition length is that 1870mm, thickness are the fillet plate of 13mm;
Four, be under the condition of 0.6MPa with above-mentioned fillet plank at splicing air pressure, being spliced into length is that 1870mm, width 945mm, thickness are the dimension board of 13mm, is coated with adhesive between the fillet plate, and the joint glue-spread is 110g/m
2, obtaining splicing back specification is the slab of 1870mm * 945mm * 13mm;
Five, holes all on the step 4 gained slab is transferred with sawdust and polyurethane glue filled up after mixing, exceed 3mm than plate face behind the hole repairing, obtain the slab that mends;
Six, the slab that mends is lain on the pallet, separate with three parting beads between plate and the plate, carry out the aeration-drying of nature, be 36h drying time, obtains dried plank;
Seven, dried plank is carried out two-sided fixed thick sanding at wide-belt sander, sanding is to obtaining smooth, the no hole of two sides sanding, seamless central layer 1;
Eight, take by weighing the filler of 85% polyolefin and 15% and the two is mixed by mass percentage, obtain the polyolefin material, again the polyolefin material is joined in the vertical three roller plastic sheet units and extrude, obtain polyolefine material layer 4, after the polyolefine material layer of extruding 4 covers layer of non-woven fabric 3, be under 120 ℃ the condition in the roller temperature, two-layer pinched together this by three roller plastic sheet units again, obtain covering the polyolefin veneer of nonwoven 3;
Nine, by glue-spread 300g/m
2Adhesive is coated on the upper and lower surface of wooden skin 2, place it in the polyolefin veneer that covers nonwoven 3 and central layer 1 centre of handling through step 7 then, nonwoven 3 contacts with wooden skin 2, and upper and lower surface is not always the case, place press to suppress, namely finish the preparation that wooden model covers plastic building mould;
Wherein the polyolefin in the step 8 is polypropylene;
Filler in the step 8 is Paris white;
The specification of nonwoven is 100g/m in the step 8
2
Press is hot press in the step 9, and the temperature during compacting is that 140 ℃, pressure are that 2.5MPa, press time are 1.5h.
The thickness of wooden skin is 1.5mm in the present embodiment, and the thickness of veneer is 0.5mm.
The wooden model for preparing in the present embodiment covers plastic building mould, and after tested, its surperficial bonding strength and mechanical performance index see Table 2.
Table 2
Wooden model covers plastic building mould in the present embodiment, the central layer that employing utilizes waste and old template to make, solved the problem of waste and old template regeneration, improved the cost performance of construction formwork greatly, thereby also reduced the use cost of template, and utilize the low characteristic of polyolefin veneer surface-active, make the template demoulding easy, need not release agent, the not sticking cement of the template surface after the use, template does not need to clean, demould time is short, and any surface finish maintenance easy to clean is corrosion-resistant, do not pollute concrete surface, thereby can cancel plastered work, shorten the duration of fitment operation; And use the number of turnover up to 35 times, improve 17% than existing building template, thereby also reduced the use cost of template.Wooden model of the present utility model covers plastic building mould, ratio of strength to weight height, thus make easy construction and guarantee workmanship; And its bending strength is that 52MPa, modulus of elasticity are 6050MPa, the intensity height, and good toughness can reduce the usage quantity that construction formwork supports; The template breadth is wide, piece is few, and support and form removal speed are fast.The preparation method that wooden model of the present utility model covers plastic building mould is simple, and cost is low, is easy to realize, is fit to large-scale promotion and uses, and has high economic benefit and social benefit, can be used in the construction work.
Claims (5)
1. a wooden model covers plastic building mould, it is characterized in that it is respectively to paste one deck wood skin (2) on the upper and lower surface of the central layer that utilizes waste and old template to make (1) that a kind of wooden model covers plastic building mould, the thickness of wood skin (2) is 0.8～3mm, respectively paste one deck veneer on wooden skin (2) surface on the upper and lower surface of central layer (1) again, the thickness of veneer is 0.5～3mm, every laminating face is made of polyolefine material layer (4) and nonwoven (3), and nonwoven (3) is positioned between wooden skin (2) and the polyolefine material layer (4).
2. a kind of wooden model according to claim 1 covers plastic building mould, and the thickness that it is characterized in that wooden skin (2) is 1～2.5mm.
3. a kind of wooden model according to claim 1 and 2 covers plastic building mould, and the thickness that it is characterized in that wooden skin (2) is 1.8mm.
4. a kind of wooden model according to claim 3 covers plastic building mould, and the thickness that it is characterized in that veneer is 0.8mm～2.5mm.
5. a kind of wooden model according to claim 3 covers plastic building mould, and the thickness that it is characterized in that veneer is 1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320033561 CN203066455U (en) | 2013-01-22 | 2013-01-22 | Plastic coated wood pattern building template |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320033561 CN203066455U (en) | 2013-01-22 | 2013-01-22 | Plastic coated wood pattern building template |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203066455U true CN203066455U (en) | 2013-07-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320033561 Expired - Fee Related CN203066455U (en) | 2013-01-22 | 2013-01-22 | Plastic coated wood pattern building template |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203066455U (en) |
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2013
- 2013-01-22 CN CN 201320033561 patent/CN203066455U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Plastic-coated wooden building template and preparation method thereof Effective date of registration: 20140623 Granted publication date: 20130717 Pledgee: Sichuan cohesion financing credit Company limited by guarantee Pledgor: Anhui Laishan Building Materials Co., Ltd. Registration number: 2014510000016 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 Termination date: 20160122 |
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| EXPY | Termination of patent right or utility model |