CN1404982A - Method for making air-permeable elastic cushion - Google Patents
Method for making air-permeable elastic cushion Download PDFInfo
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- CN1404982A CN1404982A CN 02146222 CN02146222A CN1404982A CN 1404982 A CN1404982 A CN 1404982A CN 02146222 CN02146222 CN 02146222 CN 02146222 A CN02146222 A CN 02146222A CN 1404982 A CN1404982 A CN 1404982A
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- plastic strip
- wheel
- guide wheel
- blowing
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Abstract
The production method of elastic pad with air permeability includes the following steps: heating and melting plastic raw material with elastic characteristics; blowing said plastics and making it into hollow tubular plastic strip; slowly roll-feeding said plastic strip by means of guide wheel and regulating wheel, and feeding the plastic strip into cooling channel together with a part of guide wheel and regulating wheel, guickly cooling and forming, and cutting so as to obtain the invented elastic pad.
Description
Technical field
The invention relates to a kind of manufacture method of ventilative cushion, it relates in such as technical fields such as pillow, cushion, mattress, seat cushionses, and refering in particular to air-permeable mattress is the cushion that is made as most breather holes of tool by hollow plastic bar system.
Background technology
Be elasticity and the permeability to air that improves pad, inventor's number of filing an application once is 89105034, name is called " method for making of ventilative cushion " application for a patent for invention case, this case is that plastic raw materials is passed through ejection formation, and plastics material grain is given as security system jet-out plastic bar, secondly, it is the hollow form plastic strip in order to blowing moulding that the solid plastic bar is entered air feeder again, the vacancy is perforation in the plastic strip, next cooperate guiding to squeeze the type flow process, the guiding of hollow plastic bar is horizontality, and impose at a high speed and clamp-on in the mould, heating apparatus is installed under the mould, the plastic strip that enters mould is heated and twines and be entangled with, make between plastic strip of each contact mutually that fusion engages, differing from this fusion joint is emptying aperture, promptly form block cushion in the mould, cut again and get final product through setting size specification.Its major defect is:
Squeeze in view of guiding in the flow process of type, the guiding that plastic strip is horizontal, add the guiding control of speed, be difficult to make plastic strip at full speed to enter in the mould smoothly technically, and temperature booster is in the mould bottom surface, via the obstruct of mold material, cause the effect that plastic strip is entangled with in mould, fusion engages also not ideal enough, its difficulty is arranged.
At above-mentioned defective, spirit of studying intensively invention of the inventor is set about research and development, and in line with professional experiences and gains in depth of comprehension for many years, concentrated test is weeded out the old and bring forth the new, and creates technical scheme of the present invention.
Summary of the invention
Main purpose of the present invention provides a kind of manufacture method of ventilative cushion, mainly be to change the forming mode that in the past enters guiding extrusion die tool at a high speed, adopt plastics after blowing into the hollow plastic bar, be shaped for curling via the moving running roller kenel of roller at a slow speed, and can follow rapid cooling forming, and reaching and make spring function lasting, the flow process technology is more simple, make rapidlyer, keep plastic strip to become the integraty of spring shape and reduce the purpose of the technology control difficulty on the processing procedure.
The object of the present invention is achieved like this: a kind of manufacture method of ventilative cushion is characterized in that: it comprises the steps:
A, charging fusion: the plastic raw materials that will have elastic behavior is got ready, and heating and melting;
B, blowing moulding: plastics form the plastic strip of hollow tubular through blowing moulding;
C, roller are made type: it is to add to have an auxiliary heater at least that plastic strip is sent the blowing nozzle part, plastic strip is delivered to two adjacent each other and constant speed guide wheel and adjusting between the wheel in relative rotation, adjusting wheel is immersed in the cooling bath with the guide wheel some, allowing plastic strip be curling shape on guide wheel is shaped, touch the plastic strip of shaping by adjusting wheel load, with control thickness;
D, cooling: before plastic strip entered cooling bath, each plastic strip was put mutual welding at majority and is closed, and made this junction form the junction, and entering cooling bath is cooling curing, makes each plastic strip form irregular staggered breather hole;
E, cut: moulding is interlinked again and be microscler plastic strip, after transferring out guide wheel,, cut one by one and form block cushion just according to setting specification.
In this blowing moulding step, this blowing nozzle is the hollow seat shape, be formed with into groove in inside, this goes into the groove lower semisection is to form an inwall to be vertical straight line and internal diameter much smaller than the guide hole of going into groove, a fixedly breather pipe of shape is installed in this blowing nozzle, the external diameter of this breather pipe is less than the internal diameter of guide hole, and the arrangement of most blowing nozzles is to be the configuration of staggering mutually to be arranged.
This roller is made in the type step, and this guide wheel is to form the recessed guide groove in most roads on outer peripheral face, and this external diameter of adjusting wheel is less than this guide wheel.This guide wheel and adjustment wheel are respectively to be provided with the power driven rotation, by adjusting the direction of this adjustment wheel, to change the spacing between this adjustment wheel and the guide wheel.
Describe in detail below in conjunction with the preferred embodiment conjunction with figs..
Description of drawings
Fig. 1 is a schematic flow sheet of the present invention.
Fig. 2 is a configured in one piece plan sketch of the present invention.
Fig. 3 is that blowing nozzle of the present invention distributes plan sketch.
Fig. 4 is the plan sketch that blowing nozzle of the present invention blows out plastic strip.
Fig. 5 is guide wheel of the present invention and the configuration schematic top plan view of adjusting wheel.
Fig. 6 is the plan sketch that plastic strip of the present invention is shaped on guide wheel.
Fig. 7 is the schematic perspective view of cushion of the present invention.
Fig. 8 is that plastic strip of the present invention links the amplification schematic perspective view.
The specific embodiment
Consult shown in Fig. 1-Tu, the invention relates to a kind of manufacture method of ventilative cushion, its method for making flow process comprises the steps:
A: charging fusion:
The plastic raw materials that will have elastic behavior is got ready, this plastic material can be PC or PU or HEPC or HDPC or materials such as HYTREL or PU elastic fibre, wherein the material of HDPC, PU elastic fibre, HYTREL is preferable, and the blowing nozzle 11 of then plastics 20 being sent into blowning installation 10 gives heating and melting;
B: hollow plastic bar blowing moulding:
This blowing nozzle 11 is the hollow seat shape, form one in inside and go into groove 13, going into groove 13 lower semisections is to form an inwall to be vertical straight line, and internal diameter is much smaller than the guide hole 131 of going into groove 13, a fixedly breather pipe 12 of shape is installed in the blowing nozzle 11, the external diameter of breather pipe 12 is less than the internal diameter of guide hole 131, and blowing nozzle 11 arrangements as shown in Figure 3, is to be the configuration of staggering mutually to be arranged;
Therefore through sending into the plastics 20 of blowning installation 10 heating and meltings, go into groove 13 by blowing nozzle 11 and send into air blowing, allow plastics 20 be sent by the guide hole 131 and the gap of breather pipe 12, be configured as the plastic strip 30 of hollow tubular, central authorities form perforation 31;
C: roller system is shaped to spring-like:
As Fig. 1, shown in 2 and 5, it is to be 220 ℃ approximately that plastic strip 30 has just been sent by blowing nozzle 11, for preventing natural cooling, two side positions of sending blowing nozzle 11 in plastic strip 30 respectively are equipped with the auxiliary heater 40 of an infrared ray heat form, heat in plastic strip 30 both sides through this, keep plastic strip 30 between 130-140 ℃, allow plastic strip 30 deliver to two adjacent each other guide wheels 50 and adjust preliminary forming between the wheel 55, wherein this guide wheel 50 as shown in Figure 5, be on outer peripheral face, to form the recessed guide groove 52 in most roads, and adjust wheel 55 external diameters less than guide wheel 50, the wheel face wide cut of guide wheel 50 also has size specification and can substitute, and with guide wheel 50, adjusting wheel 55 is each dynamic driven in rotation, keep both constant speed to rotate relatively, adjusting wheel 55 is to adjust left and right directions, according to finished product thickness, change the spacing of adjusting between wheel 55 and the guide wheel 50, and adjusting wheel 55 is to be immersed in the cooling bath 60 with guide wheel 50 somes, contact with refrigerant fluid 62, this refrigerant fluid 62 can be 70～80 ℃ warm water, with not cooling rapidly, prevent to destroy the flexible of plastic strip 30;
Therefore after plastic strip 30 is sent blowing nozzle 11, end all falls to combining on guide wheel 50 all side wheel faces, via the guiding of guide groove 52 and the rotation of adjusting wheel 55 and guide wheel 50, plastic strip 30 is sent (this adjustment wheel 55 relatively rotates speed with guide wheel 50 and plastic strip 30 can be identical by blowing nozzle 11 rate of deliveries) by blowing nozzle 11, so, as Fig. 2 and shown in Figure 6, plastic strip 30 touches adjusts wheel 55 o'clock, because plastic strip 30 is the plasticity state of semi-molten, so that can be curled into the nearly spring-like of continuous fitfull, when plastic strip 30 enters into the scope of adjusting 50 on wheel 55 and guide wheel, cooperate adjustment wheel 55 to press and contact outermost plastic strip 30 sides, to control the thickness that plastic strip 30 is shaped;
D: cooling:
When plastic strip 30 is in 50 moments of guide wheel contact refrigerant fluid, 62 liquid levels, it is cooling curing, owing to be not cooling rapidly, so it is flexible still to possess plastic strip 30, keep hollow state and the unlikely cemented sealing that is, the plastic strip 30 of curing so curl earlier, block and be sent to the plastic strip 30 of adjusting 50 on wheel 55 and guide wheel afterwards, make follow-up plastic strip 30 therefore be subjected to delay block on the speed, cause and be the coiled springs shape successively, adding has most bar plastic strip 30 carrying out simultaneously, and most plastic strip 30 are staggered in the position each other mutually, so each plastic strip 30 forms irregular staggered breather hole 35 as shown in Figure 8 because of curling on guide wheel 50, and each plastic strip 30 at majority point because of mutual fusion joint, make this formation junction 33, junction;
E: cut:
Moulding is interlinked again and be microscler plastic strip 30, after transferring out guide wheel 50, cooling bath 60, the volume by collecting drum wheels 70 send again, cuts the place and deliver to, and just according to various product specifications, cuts out one by one and divides cutting to form a piece cushion 37;
F: finished product:
Cushion 37 refills as shown in Figure 7 bagging (among the figure not label), is the cushion that can Gong take.
Through last explanation method for making characteristic of the present invention, method used in the present invention has the technological breakthrough point of following innovation:
1, plastic strip 30 is by blowing nozzle 11 blowing mouldings, cooperate gravitational guiding, make plastic strip 30 touch guide wheel 50, and it is slow to enter into the speed of guide wheel 50 scopes along straight downward guiding, therefore plastic strip 30 just need not be adopted with the high-revolving technology of feeding, can form complete shape.
2, plastic strip 30 is when sending blowing nozzle 11, and cooperates auxiliary heater 40 to heat from the side, and plastic strip 30 is entered before the cooling bath 60, still possesses the plasticity of its mutual fusion.
3, processing procedure is more simple.After blowing into hollow plastic bar 30, promptly deliver to guide wheel 50 among roller is moving, cooperating curls is shaped and cooling, processing procedure consistency and rapidly simple, and need not guide the die cost of the type of squeezing in the past, significantly dwindle cost.
4, the present invention cooperates adjusting travel by adjusting wheel 55 with guide wheel 50, the cushion 37 that this distance is made meet thickness, and setting is simply and have an alerting ability.
When 5, the user was sitting in cushion 37, even if cushion 37 is extruded, but the breather hole 35 that plastic strip 30 is abound with provided the Free up Memory of ventilative and heat extraction, therefore has splendid permeability to air, and it is comfortable and not sultry taking nature; In addition plastic strip 30 materials own have elasticity, and the hollow tube of perforation 31 is established in cooperation itself, has lasting elasticity, distortion or crushing easily.
6, the cushion 37 made of method for making of the present invention has the advantage of normalized production, and the bagging that is convenient for changing different patterns, make the market expansion of bagging, effectively improve the pad kenel that is mingled with the coconut clinker in sir-tight in the past foam pad or the resin cotton, cause spring and summer unsalable, and the customer can not arbitrarily replace the puzzlement of pattern cloth cover, and the foam pad causes the difficulty of environmental protection treatment.
6, the present invention is by material full of elasticity, cooperate the plastic strip 30 of making hollow form, cooperate again and make the design of coiled springs shape, produce economic practical, a ventilative cushion 37, it can be applicable to pillow, back cushion, Car Cushion or the like, the four seasons are general, and permeability to air is preferable, and make for good health and Jiahui everybody.
In sum, the present invention is a kind of really to have breakthrough invention fine piece of writing, because novel method for making, breaks through the defective of orthodox method fully, has novelty, creativeness and practicality.
Claims (4)
1, a kind of manufacture method of ventilative cushion, it is characterized in that: it comprises the steps:
A, charging fusion: the plastic raw materials that will have elastic behavior is got ready, and heating and melting;
B, blowing moulding: plastics form the plastic strip of hollow tubular through blowing moulding;
C, roller are made type: it is to add to have an auxiliary heater at least that plastic strip is sent the blowing nozzle part, plastic strip is delivered to two adjacent each other and constant speed guide wheel and adjusting between the wheel in relative rotation, adjusting wheel is immersed in the cooling bath with the guide wheel some, allowing plastic strip be curling shape on guide wheel is shaped, touch the plastic strip of shaping by adjusting wheel load, with control thickness;
D, cooling: before plastic strip entered cooling bath, each plastic strip was put mutual welding at majority and is closed, and made this junction form the junction, and entering cooling bath is cooling curing, makes each plastic strip form irregular staggered breather hole;
E, cut: moulding is interlinked again and be microscler plastic strip, after transferring out guide wheel,, cut one by one and form block cushion just according to setting specification.
2, the manufacture method of ventilative cushion according to claim 1, it is characterized in that: in this blowing moulding step, this blowing nozzle is the hollow seat shape, be formed with into groove in inside, this goes into the groove lower semisection is to form an inwall to be vertical straight line and internal diameter much smaller than the guide hole of going into groove, a fixedly breather pipe of shape is installed in this blowing nozzle, and the external diameter of this breather pipe is less than the internal diameter of guide hole, and the arrangement of most blowing nozzles is to be the configuration of staggering mutually to arrange.
3, the manufacture method of ventilative cushion according to claim 1 is characterized in that: this roller is made in the type step, and this guide wheel is to form the recessed guide groove in most roads on outer peripheral face, and this external diameter of adjusting wheel is less than this guide wheel.
4, the manufacture method of ventilative cushion according to claim 3 is characterized in that: this guide wheel and adjustment wheel are respectively to be provided with the power driven rotation, by adjusting the direction of this adjustment wheel, to change the spacing between this adjustment wheel and the guide wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02146222 CN1404982A (en) | 2002-10-16 | 2002-10-16 | Method for making air-permeable elastic cushion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02146222 CN1404982A (en) | 2002-10-16 | 2002-10-16 | Method for making air-permeable elastic cushion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1404982A true CN1404982A (en) | 2003-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02146222 Pending CN1404982A (en) | 2002-10-16 | 2002-10-16 | Method for making air-permeable elastic cushion |
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|---|---|
| CN (1) | CN1404982A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104975434A (en) * | 2014-04-09 | 2015-10-14 | 耀亿工业股份有限公司 | Three-dimensional elastic cushion technology with multiple wire rods |
| CN108618462A (en) * | 2017-03-22 | 2018-10-09 | 东莞雅康宁纤维制品有限公司 | Air-conditioning mattress |
-
2002
- 2002-10-16 CN CN 02146222 patent/CN1404982A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104975434A (en) * | 2014-04-09 | 2015-10-14 | 耀亿工业股份有限公司 | Three-dimensional elastic cushion technology with multiple wire rods |
| CN108618462A (en) * | 2017-03-22 | 2018-10-09 | 东莞雅康宁纤维制品有限公司 | Air-conditioning mattress |
| CN108618462B (en) * | 2017-03-22 | 2020-10-20 | 东莞雅康宁纤维制品有限公司 | Air-conditioning mattress |
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