CN101229896A - Composite surface stainless steel lift door plate and method for making the same - Google Patents
Composite surface stainless steel lift door plate and method for making the same Download PDFInfo
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- CN101229896A CN101229896A CNA2007100629719A CN200710062971A CN101229896A CN 101229896 A CN101229896 A CN 101229896A CN A2007100629719 A CNA2007100629719 A CN A2007100629719A CN 200710062971 A CN200710062971 A CN 200710062971A CN 101229896 A CN101229896 A CN 101229896A
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Abstract
The invention relates to a composite surface-stainless steel elevator door, which is a composite door folded after bonding a lining substrate cold rolled steel sheet and an external plate of a stainless steel plate with strong glue. A manufacturing method consists of the following steps: material preparation: the cold rolled steel sheet substrate and the stainless steel panel are quantitatively cut according to a predetermined door size; groove making: a V-shaped groove with the depth of 0.3mm is planned on a bending line of the substrate by a keyway planner; the substrate is carried out phosphating treatment to remove surface oil and rust; the surface of the substrate without planing the groove and the surface of stainless steel s are carried out glue spreading; glue drying: the glue film coated on the two panel surface is dried until tack free; the two panels are bonded and simultaneously bended; accessory and door stiffener are bonded; under a condition without affecting appearance, the door integrity is reinforced by a method of welding; an inner side surface of the substrate is painted.
Description
Technical field
The invention belongs to the elevator applications field, relate in particular to a kind of composite surface stainless steel lift door plate and preparation method thereof.
Background technology
Elevator now adopts two kinds of method manufacturings mostly: the one, use pure stainless steel sheet; The 2nd, make an iron gate plate earlier, wrap one deck stainless steel sheet on its surface then, we are called back bag method.The former manufacturing cost is too high, will be with 1.5 millimeters stainless steel sheet, by 1230 yuan of prices of present 1.5 millimeters thick stainless steel materials/open (every layer door need with a plate of material), every layer of door of elevator light stainless steel materials will have been spent about 1400 yuan, producer's price is 1500-1600 unit/layer, and the user accepts very difficult to such price.The latter is that price is too high equally, because it will make an irony door-plate earlier, the cost of making one deck irony door-plate in the Beijing area will be spent 600-700 unit/open, on the basis of iron gate, wrap the stainless steel sheet of one deck 0.8 millimeters thick then, the stainless steel sheet price of existing 0.8 millimeters thick is 694 yuan/, one deck door-plate is also wanted 1500-1600 unit altogether, and this back bag method not only can not be accomplished several big advantage that composite algorithm has (price is low, noise is little, good looking appearance degree good), and increased the weight of the weight of door-plate, made the life-span of door mechanism system be subjected to great influence.
Summary of the invention
The object of the present invention is to provide a kind of composite surface stainless steel lift door plate, it is economical and practical, and existing high quality has the effect of stainless steel faceplate elevator again.
Another object of the present invention is to provide a kind of method for making of composite surface stainless steel lift door plate, it has overcome the difficult problem that composite metal can not bending, has produced the special quality composite surface stainless steel lift door plate.
For achieving the above object, the present invention takes following design plan:
A kind of composite surface stainless steel lift door plate, it is the compound door-plate that is converted into after bonding with seccotine by internal substrate cold-rolling steel and outer panels stainless steel sheet.
Described substrate cold-rolled steel thickness of slab is 0.8～1.0 millimeter, and panel corrosion-resistant steel thickness of slab is 0.3～0.8 millimeter.
A kind of method for making of composite surface stainless steel lift door plate, its method step is as follows:
1) gets the raw materials ready: quantitatively shear cold reduced plate and stainless steel faceplate by predetermined door-plate size;
2) wound groove: dig the V-shape groove at the bending line place of substrate with keyway planer;
3) substrate is carried out bonderization, remove the grease and the iron rust on surface;
4) gluing is not carried out on the surface and the stainless surface of channeling with substrate;
5) glue that dries in the air, the glued membrane that two kinds of plate faces are coated with dries in the air to tack-free;
6) the bonding and bending simultaneously of two plates;
7) bonding annex and door-plate reinforced rib;
8) under the situation that does not influence outward appearance, reinforce door-plate integral body with the method for welding;
9) inner surface of substrate japanning.
The present invention is the manufacturing that the method for sheet metal Application of composite is used for door of elevator.
Advantage of the present invention is:
1, overcome the difficult problem that composite metal can not bending, the door of elevator noise of making is low and intensity is high, improved the quality of door of elevator.
2, deduct conventional art and smeared shockproof glue based operation, and improved the degree aesthetic in appearance of product.
3, saved stainless steel material, greatly reduced the price of cost of manufacture, made vast user all make stainless door-plate.
Description of drawings
Fig. 1 is a composite surface stainless steel lift door plate structural representation of the present invention
Fig. 2 is for creating the structural representation of groove point on door-plate in the job operation of the present invention
Fig. 3 is bending sequential schematic in the job operation of the present invention
The specific embodiment
As shown in Figure 1, composite surface stainless steel lift door plate of the present invention is the compound door-plate that is converted into after bonding by internal substrate cold-rolling steel 1 and outer panels stainless steel sheet 2 usefulness seccotines.
Composite surface stainless steel lift door plate of the present invention is a composite surface stainless steel lift door plate, and it utilizes two kinds of different sheet metals to be composited, and substrate is a cold-rolling steel, and panel is a stainless steel sheet.Described substrate cold-rolled steel thickness of slab is 0.8～1.2 millimeter, and 1.0 millimeters is current version, and panel corrosion-resistant steel thickness of slab is 0.3～0.8 millimeter, and 0.5 millimeter is current version.
The method for making concrete steps of composite surface stainless steel lift door plate of the present invention are as follows:
1. quantitatively shear steel plate: be equipped with cold reduced plate and surface stainless steel plate, quantitatively shear by predetermined door-plate size.
2. create groove, selected bending line place 11,12,13,14 digs the V-shape groove of 0.2～0.4 millimeters deep with keyway planer, referring to Fig. 2 at the bending line place 12,13,14 of substrate.
3. substrate is carried out bonderization, remove the grease and the iron rust on surface.
4. gluing is not carried out on the surface and the stainless surface of channeling with substrate.
5. the glue that dries in the air, the glued membrane that two kinds of plate faces are coated with dry in the air when tack-free to well.
6. bonding, bending two plates: the bonding of two plates and bending operation are carried out simultaneously, bending must be carried out in order, carry out the 1st, 2 liang of cutter place (seeing the bending line place 11,12 among Fig. 3-(a), Fig. 3-(b)) earlier, then carry out the 3rd cutter, the 4th cutter place (seeing the bending line place 13,14 among Fig. 3-(c), Fig. 3-(d)).Substrate aligns with panel and does not press during bending, the 1st cutter is single layer substrate (a not channeling), the 2nd cutter is substrate and panel bending simultaneously, the crunch of utilizing angle bender in bending with the glued membrane pressing on knuckle both sides together, the faying face of two kinds of sheet materials this moment in the 2nd cutter bending line both sides cements, and do not push the plate face of the 3rd cutter to the 4 cuttves, after the 3rd cutter bending of then carrying out is finished, with the part between the 3rd cutter bending line and the 4th cutter bending line, with applanation machine pressing two plate faces.Note the plate face between the 4th cutter and the 1st cutter of not pushing this moment.Utilize the pressure of angle bender to carry out simultaneously when the pressing of plate face is by the 4th cutter bending between the 1st cutter and the 4th cutter, use wide cutter sipes when rolling over the 4th cutter as much as possible, help the plate face between pressing the 1st cutter 1 the 4th cutter like this.
7. bonding annex of technology and door-plate reinforced rib routinely.
8. under the situation that does not influence outward appearance, reinforce door-plate integral body with the method for welding.
9. the inner surface of substrate japanning is finished to this all manufacturing procedure.
The difficulty of processing of composite material is can not shear after two kinds of bonding one of sheet metal in the prior art, also can not bending.Therefore each manufacturing firm can't use composite algorithm to make the door-plate of elevator when not overcoming the difficult problem of bending.So far, manufacturer both domestic and external does not all adopt composite algorithm to make the door-plate of elevator.Key of the present invention has been to solve the difficult problem of bending, its groundwork is exactly the space that utilizes the V-shape groove dig to come absorptive substrate should be extruded in the bending process, stretching by the ordering of pressing after the bending in the operation, pressing, the first bending of stainless steel faceplate eliminated simultaneously, thereby realized the method for composite surface stainless steel manufacturing door of elevator; Make composite panel can be used in the production of door of elevator, the floating greatly degree of this method has reduced manufacturing cost, the advantage that composite algorithm had is brought into the manufacturing field of door of elevator, noise is low and can save and smear shockproof glue based operation, door-plate intensity improves, and has improved the degree aesthetic in appearance of product.
Not only adult is low, quality good to adopt the door of elevator that composite algorithm of the present invention produces, and gives businessman simultaneously, uses house to bring very big interests, also can bring the big resources conservation of tool to country.The pure stainless steel sheet manufacturing of past employing is compared with composite algorithm all with the back stainless method of bag has preceence not as good as composite algorithm.
At first on manufacturing cost, composite algorithm is that rust steel plate with the substrate of 1.0 millimeters thick and 0.5 millimeters thick is as major ingredient, and the price of a cold-reduced sheet only is 120 yuan, 0.5 the price of the stainless steel sheet of millimeters thick (numbering 304) is 451 yuan, the stainless steel sheet price of numbering 430 only is 260 yuan, making one deck door of elevator only needs the major ingredient of 380-570 unit, as long as the material cost that adds attached each layer of material door-plate is 470-660 unit, to wrap in cost be on the iron door about 600 yuan and the back bag corrosion-resistant steel method material requested of prior art is the stainless steel sheet that is not less than 0.8 millimeters thick, 0.8 millimeters thick be numbered 304 plate, every of price is exactly 694 yuan at present, and two bag one deck elevator door material costs of adding up are with regard to 1300 yuan.The quotation of current bag one deck door is about 850 yuan.We can say cost savings about 700.
Have a look pure corrosion-resistant steel method again and do the situation of one deck door, the method must be used the stainless steel sheet of thickness more than 1.5 millimeters, and numbering 430 stainless steel sheet price at present is 960/, be numbered 304 stainless steel sheet price and be 1230 yuan/open.The cost of making one deck door with the plate of numbering 430 roughly is about 1100 yuan, the cost of making one deck door with 304 plate is about 1300 yuan, as seen making one deck elevator door with composite algorithm of the present invention will save cost 650-750 unit in contrast thus, is basically to do 50% of one deck door cost before adopting.
Total 80,000 operations of elevator in Beijing at present, and with the speed increment of every year with 10,000 ones.The whole nation has 800,000 elevators, annual speed increment with 15 covers.Annual sales volume is 12,000,000,000 yuan.The consumption of corrosion-resistant steel door-plate is no less than 450,000 layers approximately, save 650 yuan of stainless costs with every layer, just can save 2.9 hundred million yuan every year, simultaneously can bring 4 about hundred million profit rise, adopt composite algorithm save 3300 tons to 11400 tons corrosion-resistant steel resource can for country in addition than back bag method or pure corrosion-resistant steel method to producer.Since the reduction of the floating greatly degree of this method the stainless steel lift door plate cost, brought the selling price reduction, be 380 yuan with regard to the material by numbering two kinds of steel plates of stainless steel sheet of 430 and add the total material cost of annex materials below 500 yuan, sale price can fix on 800 yuan.Such price is near the price of irony plastic-blasting door-plate, and general user's only use money of very not Duoing than the irony door-plate just can obtain a stainless effect like this.This also is that the technology of the present invention is applied in the most considerable place in the door of elevator manufacturing.As seen it is huge adopting composite surface stainless steel of the present invention to make the door of elevator advantage, and available value is very high.
Through evidence: composite surface stainless steel lift door plate result of use of the present invention is very good, has reached advantage that composite surface stainless steel lift door plate had and characteristic fully, and batch manufacturing can be done by large and small producer.
Claims (6)
1. composite surface stainless steel lift door plate is characterized in that: it is the compound door-plate that is converted into after bonding with seccotine by internal substrate cold-rolling steel and outer panels stainless steel sheet.
2. composite surface stainless steel lift door plate according to claim 1 is characterized in that: described substrate cold-rolled steel thickness of slab is 0.8～1.0 millimeter, and panel corrosion-resistant steel thickness of slab is 0.3～0.8 millimeter.
3. the method for making of a composite surface stainless steel lift door plate is characterized in that described method step is as follows:
1) gets the raw materials ready: quantitatively shear cold reduced plate and stainless steel faceplate by predetermined door-plate size;
2) wound groove: dig the V-shape groove at the bending line place of substrate with keyway planer;
3) substrate is carried out bonderization, remove the grease and the iron rust on surface;
4) gluing is not carried out on the surface and the stainless surface of channeling with substrate;
5) glue that dries in the air, the glued membrane that two kinds of plate faces are coated with dries in the air to tack-free;
6) the bonding and bending simultaneously of two plates;
7) bonding annex and door-plate reinforced rib;
8) under the situation that does not influence outward appearance, reinforce door-plate integral body with the method for welding;
9) inner surface of substrate japanning.
4. the method for making of composite surface stainless steel lift door plate according to claim 3 is characterized in that: step 2) described in keyway planer to dig the V-shape groove at the bending line place of substrate be 0.2～0.4 millimeters deep.
5. the method for making of composite surface stainless steel lift door plate according to claim 3, it is characterized in that the bonding and bending simultaneously of two plates described in the step 6) carries out in order: carry out the 1st cutter, substrate of single layer substrate and the 2nd cutter of panel bending simultaneously, the 3rd cutter, the 4th cutter that then carry out the while bending of substrate and panel earlier.
6. the method for making of composite surface stainless steel lift door plate according to claim 5, it is characterized in that: substrate alignd with panel but does not press when bending began, the bending simultaneously of substrate and panel, the crunch of utilizing angle bender during the 2nd cutter with the glued membrane pressing on knuckle both sides together, and do not push the plate face of the 3rd cutter to the 4 cuttves, after then carrying out the 3rd cutter bending and finishing, with the applanation machine pressing of the part between the 3rd cutter bending line and the 4th cutter bending line, but this moment is not according to the plate face between pressing the 4th cutter and the 1st cutter; During last the 4th cutter bending between itself and the 1st cutter pressing of plate face utilize the pressure of angle bender to carry out simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100629719A CN101229896A (en) | 2007-01-23 | 2007-01-23 | Composite surface stainless steel lift door plate and method for making the same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100629719A CN101229896A (en) | 2007-01-23 | 2007-01-23 | Composite surface stainless steel lift door plate and method for making the same |
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| CN101229896A true CN101229896A (en) | 2008-07-30 |
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| CNA2007100629719A Pending CN101229896A (en) | 2007-01-23 | 2007-01-23 | Composite surface stainless steel lift door plate and method for making the same |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102951532A (en) * | 2011-08-26 | 2013-03-06 | 康力电梯股份有限公司 | Door sheet bending structure |
| CN103481045A (en) * | 2013-11-05 | 2014-01-01 | 四川科莱电梯有限责任公司 | Stainless steel adhesion technology for elevator |
| CN116852113A (en) * | 2023-05-12 | 2023-10-10 | 江苏远业液压机械有限公司 | Hydraulic pump return disc blank bending system and process |
-
2007
- 2007-01-23 CN CNA2007100629719A patent/CN101229896A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102951532A (en) * | 2011-08-26 | 2013-03-06 | 康力电梯股份有限公司 | Door sheet bending structure |
| CN103481045A (en) * | 2013-11-05 | 2014-01-01 | 四川科莱电梯有限责任公司 | Stainless steel adhesion technology for elevator |
| CN103481045B (en) * | 2013-11-05 | 2016-04-27 | 四川科莱电梯股份有限公司 | A kind of stainless steel technique for sticking on elevator |
| CN116852113A (en) * | 2023-05-12 | 2023-10-10 | 江苏远业液压机械有限公司 | Hydraulic pump return disc blank bending system and process |
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Open date: 20080730 |