CN1337346A - Soft mattress compressing package technique and mattress compressor - Google Patents

Abstract

The present invention relates to a soft-body mattress compression packaging process and its mattress compressor. Its comporession packaging process includes the following steps: premounting non-return valve on the extraction hole of package film, covering the formed mattress with the package film and sealing, forced compression by means of large-tonnage compressor and compressing to 5-8 cm and evacuating, when the vacuum degree is up to 10 to the minus second power torr, sealing and ensuring that the compressed mattress volume does no produce change. Said mattress compressor possesses a machine frame formed from upper beam, upright post and base seat, a cylinder body with two hydraulic joint holes is fixed on the upper beam, the plunger in the cylinder body and sliding beam are fixed into one body, the sliding beam connected with sliding wheel by means of bearing frame can be up-down movel along the upright post, and controlled by spacing switch to implement compression of soft-body mattress.

Description

Compressino package technology for soft mattress and compressor of mattress thereof

Technical field

The present invention relates to mattress of flexible body compression packing and special-purpose gas booster compressor thereof.

Background technology

Along with growth in the living standard, generally use mattress of flexible body on the bed of modern room, mattress of flexible body is used for satisfying the requirement of people's rest traveling comfort, its internal application a plurality of drop centre type springs as support, make up cladding with other auxiliary material again, so seem that volume is very big, be not easy to packed and transported, transport and storage cost height, sell radius and be confined in 500 kilometers, be regional and sell, especially the export trade outlet does not more have possibility, for example 150 * 200cm mattress exports to a certain city of a state: explant price is 47 U.S. dollars, working expenses is 40 U.S. dollars, and the local factory of this state explant price is 120 U.S. dollars, and profit margin has only 33 U.S. dollars, attractive force is little for middle wholesale dealer, lacks price competitiveness.In order to reduce packed and transported and warehouse cost, must seek a kind of new technology of the package and specialized equipment thereof, be the problem that the present invention studies.

Summary of the invention

Problem to be solved by this invention is exactly how to dwindle the mattress volume, reduce the transport and storage cost, create price competitiveness and solve the compression packing technology and the special-purpose gas booster compressor thereof of mattress of flexible body

Embodiment of the present invention are as follows: Compressino package technology for soft mattress is characterized in that: a. pre-installs the self-control check valve on the aspirating hole of packing film; B. with above-mentioned film the moulding mattress is cladded, and on plastic welder, the film periphery is carried out adhesive seal; C. the mattress of sealing mouth moves to and carries out enforce compression on the special-purpose compressor of mattress; When treating that d. mattress is compressed to thickness 5-8 centimetre, connect vacuum pump at the check valve place and vacuumize; E. work as degree of vacuum and reach 10 ^-2During torr check valve is carried out encapsulation process, then compressed mattress release is taken off, can enter the storage transportation.

Compressor of mattress is formed frame by upper beam, column, base, cylinder body is vertically fixed on the upper beam center by flange, cylinder body is provided with upper and lower two hydraulic joint holes, plunger in the cylinder body connects into integral body by flange and sliding beam, sliding beam is done dipping and heaving along column, be provided with upper and lower two sliding wheels that linked to each other by bearing frame with the junction of column, the limit switch that the lifting of sliding beam is located on the column is controlled, and limit switch links to each other with fuel-feed system by lead.

After the compressed packing of mattress of flexible body of the present invention, thickness reduces to 5-8cm, and volume-diminished reduces the transport and storage cost of mattress to original 1/4 greatly, as being example still to export certain state, working expenses is reduced to 10 U.S. dollars by 40 original U.S. dollars, adds that 2 U.S. dollar packing charges also have only 12 U.S. dollars, makes profit margin increase to 61 U.S. dollars, created the price competitiveness condition, mattress is exported to becomes possibility all over the world, has broken the limitation that sell in the mattress zone, is the revolution that mattress is sold transportation.Its packing compression process is simple and easy, and equipment is simple, reduced investment, efficient height.

Description of drawings

Fig. 1 is a compressor of mattress perspective view of the present invention.

Fig. 2 cuts open figure for the positive TV structure of compressor of mattress of the present invention office.

Fig. 3 is a compressor of mattress side-looking structural representation of the present invention.

Fig. 4 is the A-A cutaway view (M1:2) of Fig. 2.

Fig. 5 is that the B of Fig. 4 is to view.

The specific embodiment

Below to software mattress compression packing technology of the present invention and embodiment is to compressor of mattress more with reference to the accompanying drawings Be described in detail.

The mattress of compression packing is after being transported to the destination, do not produce permanent deformation and can return to original state in order to make out bag eliminate mattress after the vacuum, the core part drop centre type spring of mattress in manufacturing process must meet following condition:

(1) press single-coil spring maximum distortion (under the peak load) formula: $f_i=\frac{\mathrm{\&pi;}{\mathrm{<figure-callout\; id="2"\; label="D"\; filenames="A0112275800081.png"\; state="\{\{state\}\}">D</figure-callout>}}_2^2}{\mathrm{Gdk}}\&times;{\mathrm{\&tau;}}_f$

F in the formula_i---maximum deformation quantity d---steel wire diameter

    D ₂---small end mean diameter of coil k---curvature correction factor

G---the elastic modulus of shear τ of book silk_f---the spring allowable stress

Maximum deformation quantity f according to spring_i, calculate again spring lead angle α: $\mathrm{tg\&alpha;}=\frac{\mathrm{<figure-callout\; id="2"\; label="t"\; filenames="A0112275800081.png"\; state="\{\{state\}\}">t</figure-callout>}}{2\mathrm{\&pi;}{\mathrm{<figure-callout\; id="2"\; label="D"\; filenames="A0112275800081.png"\; state="\{\{state\}\}">D</figure-callout>}}_2}$

T in the formula---spring pitch.

When maximum distortion is f_iWhen replacing t, $\mathrm{tg\&alpha;}=\frac{{\mathrm{<figure-callout\; id="2"\; label="f\; i"\; filenames="A0112275800081.png"\; state="\{\{state\}\}">f</figure-callout>}}_i}{2{\mathrm{\&pi;<figure-callout\; id="2"\; label="D"\; filenames="A0112275800081.png"\; state="\{\{state\}\}">D</figure-callout>}}_2}$

Require its wire spring lead angle α must not be greater than 18 °.

(2) when drop centre type spring outside diameter between Φ 65-Φ 90mm, the spring height is not more than 160mm, the number of turns under the conditions of 5 circles, cone small end circular section long-pending with the long-pending ratio in the big end of cone circular section must not be less than 38: 100, i.e. S_Little/S _Greatly＞0.38。

(3) for guaranteeing suppressing smoothly of software mattress, drop centre type spring height h must not be greater than 2.56 with the ratio of cone axis of small circle d

Be h/d≤2.56

(4) the bed core of software mattress must carry out in advance 3 times and suppresses processing, eliminates the residual deformation amount of bed core.

Making the software mattress with the drop centre type spring that meets above-mentioned specification requirement, is to implement the compression of software mattress The prerequisite of technology of the package is avoided spring-compressed to surpass elastic limit and is caused and can't restore.

To narrate below the compression packing concrete technology step of software mattress:

A. make check valve by oneself in the aspirating hole prepackage of packing film; This film must be tensile strength greater than 5Kgf/mm², thickness is greater than the high strength polyurethane laminated film of 0.1mm;

B. the film of moulding mattress cladding is namely made monolateral adhesive seal with the bag film of 3 faces adhesive seal, Or around the up and down laying thin layer of mattress is done adhesive seal, what the present invention adopted is adhesive seals of 3 faces Bag film cladding cover people mattress, with plastic welder film is carried out monolateral adhesive seal then, requiring will One of check valve is housed faces up, finish the cladding of moulding mattress;

C. the mattress that will seal mouth moves on the bed mattress special compressor, and compressor is adjusted spacing on request in advance The position of the switch because the structural relation of compressor of mattress, mattress complete up and down thin plate, make the mattress compression Process is stressed evenly, opens then oil supply system and forces compression, and this moment, air was full of bag film, for making The software mattress can be compressed to the volume minimum,, raises labour productivity the mattress compression to reduce the pumpdown time Machine must be selected the above compressor of 60T;

When treating that d. mattress is compressed to thickness 5-8 centimetre, sliding beam is also just in time by the limit switch limit of column below The position connects rotary-vane vaccum pump at the check valve place and vacuumizes;

E. work as vacuum and reach 10^-2During torr, check valve is sealed processing, specifically namely at the self-control check valve Shank of bolt on the spinning top nut, the check valve valve is shut, atmosphere is produced the mattress of vacuum compression The extruding force of 30T (calculating by mattress surface area 200 * 150cm), thus guarantee as long as the vacuum of mattress Do not destroyed, then atmosphere has the 30T extruding force to mattress all the time, makes the moulding mattress of compressed final vacuum Constancy of volume, compressed mattress can enter storage transportation after the release.

Compressor of mattress (referring to Fig. 1-5), by put the beams in place (2), four root posts (1), base (10) mutually with spiral shell Nail connects to form frame, and frame dimensions must guarantee the convenience of mattress loading and unloading greater than the mattress size. Put the beams in place, Base has " well " font and strengthens structure (11), and " well " word center of putting the beams in place is the flange that is fixed with one Dish, ring flange (8) combination with cylinder body (6) makes cylinder body be vertically fixed on the upper beam center. Have two on the cylinder body Individual hydraulic joint hole (7) can be connected conducting with the joint of hydraulic oil supply system. Plunger (5) in the cylinder body passes through Ring flange (9) is connected with sliding beam (4), and " well " word center of sliding beam has fixing ring flange equally, and is logical Cross the fixing of two ring flanges plunger and sliding beam are connected into integral body, plunger drives sliding beam about the column work Lifting is slided. It is upper that " well " font strengthens that the base of structure and sliding beam must be at mattress before the mattress compression Lower laying thin plate makes the mattress compression process stressed evenly.

Plunger (5) top in the cylinder body (6) is provided with the fairlead I (14) by fastening nuts, this fairlead I with Inboard wall of cylinder block slides and matches, and is provided with seal I (13), when the hydraulic joint hole of hydraulic oil from the cylinder body top When entering, promote the work done of plunger decline compression mattress. The cylinder body bottom is provided with the fairlead that slides and match with plunger II (15) is provided with seal II (16) between fairlead II and the plunger, when the hydraulic pressure of hydraulic oil from the cylinder body below When nipple orifice enters, promote plunger and rise, arranging of fairlead and seal guarantees that the upper and lower operation of plunger certainly As causing seepage.

Sliding beam (4) is done elevating movement along column (1), is provided with by bearing bracket stand (3) in the junction with column Upper and lower two movable pulleies (17) that link to each other, this movable pulley can be bearing or pulley, present embodiment adopts axle Hold, the bearing bracket stand that is fixed on the sliding beam passes through one group of sleeve (19), connecting axle (18) and coupling assembling (20 ) (comprising pad, nut) be connected with bearing.

The lifting of sliding beam (4) is located at limit switch (12) control on the column, and limit switch passes through lead Link to each other with oil supply system, height and the sliding beam of limit switch after the position on the column is according to the mattress compression moves back The height that goes out performs location and fastening in advance.

During from original high compression to 5-8 centimetre, the compressor operating pressure must be more than 60T to the mattress of 150 * 200cm specification for compressor of mattress, and compressor pressure oil operating pressure of the present invention is 150kg/cm², compression Tonnage reaches 120T.

Claims (8)

1. Compressino package technology for soft mattress is characterized in that:

A. check valve is made in prepackage by oneself on the aspirating hole of packing film;

B. with above-mentioned film the moulding mattress is cladded, and on plastic welder, the film periphery is carried out adhesive seal;

C. the mattress of sealing mouth moves to and carries out enforce compression on the special-purpose compressor of mattress;

When treating that d. mattress is compressed to thickness 5-8 centimetre, connect vacuum pump at the check valve place and vacuumize;

E. work as degree of vacuum and reach 10 ^-2During torr check valve is carried out encapsulation process, then compressed mattress release is taken off, can enter the storage transportation.

2. Compressino package technology for soft mattress according to claim 1, it is characterized in that described film clad available 3 faces the bag film of adhesive seal make monolateral adhesive seal, or around the thin layer of laying up and down of mattress is done adhesive seal.

3. Compressino package technology for soft mattress according to claim 1 and 2 is characterized in that described film is that tensile strength is greater than 5kgf/mm ², thickness is greater than the high strength polyurethane laminated film of 0.1mm.

4. compressor of mattress, it is characterized in that by put the beams in place (2), column (1), base (10) is formed frame, cylinder body (6) is vertically fixed on the upper beam center by flange (8), cylinder body is provided with, following two hydraulic joint holes (7), plunger (5) in the cylinder body connects into integral body by flange (9) and sliding beam (4), sliding beam is done dipping and heaving along column, with the junction of column be provided with link to each other by bearing frame (3) on, following two sliding wheels (17), the lifting of sliding beam is located at limit switch (12) control on the column, and limit switch links to each other with fuel-feed system by lead.

5. compressor of mattress according to claim 4, it is characterized in that plunger (5) top in the described cylinder body (6) is provided with fixing orienting sleeve I (14), this orienting sleeve I and inboard wall of cylinder block slide and match, and be provided with sealing member I (13), cylinder body (6) bottom is provided with the orienting sleeve II (15) that slides and match with plunger (5), is provided with sealing member II (16) between orienting sleeve II and the plunger.

6. compressor of mattress according to claim 4 is characterized in that described bearing frame (3) is connected with sliding wheel (17) by one group of sleeve (19), adapter shaft (18) and coupling assembling (20).

7. according to claim 4 or 6 described compressor of mattress, it is characterized in that described sliding wheel (17) can be a bearing, also can be pulley.

8. compressor of mattress according to claim 4 is characterized in that described upper beam (2), sliding beam (4), base (10) all have the additional strengthening (11) of " well " font.

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