CN2101024U

CN2101024U - Miniature vacuum package muchine

Info

Publication number: CN2101024U
Application number: CN 91202040
Authority: CN
Inventors: 田开铧
Original assignee: Individual
Current assignee: Individual
Priority date: 1991-02-07
Filing date: 1991-02-07
Publication date: 1992-04-08

Abstract

The utility model belongs to a miniature vacuum packaging machine. The existing relatively advanced miniature vacuum package machine has the defects that a plurality of components such as the gas nozzle, etc. and the main casing are made into a whole body; or the position and the direction, etc. Of the miniature vacuum package machine are constrained by the main casing; so in case the miniature vacuum packaging machine appears faults, the maintenance of the miniature vacuum packaging machine is unable. The utility model makes improvement and is characterized in that the gas nozzle and the bracing frame of the gas nozzle are made into a whole body which is independent of the main casing and can be used for being assembled on various miniature vacuum packaging machines and sealing machines; the manufacture and the maintenance are equally convenient. The operation of the whole machine is controlled by the program switch, and the control mechanism is arranged inside the machine. The utility model has the advantages of simpleness, firmness, reliability, multiple pump body, reasonable model selection, rapid pumping and high vacuum degree. The plug of the gas nozzle can be dismounted and installed, and the gas nozzle is easily cleaned and disinfected.

Description

Miniature vacuum package muchine

The utility model belongs to the small size vacuum packing device, particularly the family expenses vacuum packaging equipment.

Aspect the small design vacuum packaging equipment, the HQ-200P of the Sharp vacuum packing machine (Japanese vacuum packing machine made in abbreviation) of Japan's production at present is comparatively advanced.Replaced motor blower fan formula vacuum pump with the block form electro-magnetic pump, and, improved pumping speed and degree of vacuum, reduced noise, guaranteed seal quality with electronic circuit control sealing temperature and the flat heated filament that freely stretches.But this vacuum packing machine still has its weak point (seeing Fig. 1-1, Fig. 1-2 and Fig. 1-3).Because valve is positioned on the dolly, wheel with main casing injection moulding all-in-one-piece chute in slide; The valve control punch is annotated on main casing; The valve spring connects and is fixed on the screw column on dolly and the main casing, thereby the position of valve and advance and retreat are retrained by main casing in many aspects, and leaving main casing can not work alone.Respectively control trigger point (4), (5), (6) on the loam cake pressure handle, because of controlled position (2), (7), (8) are positioned on the main casing, its length, position and direction are limited by main casing, and cooperate accurately, are difficult to make.Expose outside the machine trigger point, thin and tender and lovely, damages easily; Controlled position is revealed poroid, easily advances dust and foreign matter, and can't clear up.Therefore, Japanese vacuum packing machine complex structure is made difficulty, not easy-maintaining.For overcoming these shortcomings, designed the utility model.

The purpose of this utility model provides a kind of valve and can work alone, and has commonality, and control mechanism is simple and reliable and simple in structure, makes easily the small size vacuum packing device of being convenient to keep in repair.

The utility model is to realize by the vacuum pumping system and the control mechanism that change vacuum packaging equipment.

Below in conjunction with description of drawings the utility model.Shown in Fig. 2-1, the utility model is made up of housing ［ 1 ］ (comprise main casing 21, loam cake 27 and low cover 28), vacuum pumping system ［ 2 ］ (1. partly ［ 2 ］ 2. with vacuum pump to comprise valve part ［ 2 ］), electronic circuit ［ 3 ］ (component part has wiring board 32, vacuum-pump power supply button 33, seals indicator lamp 34 and seals time adjusting knob 35), closure part ［ 4 ］ (form seal voltage transformer 36, seal rubber press strip and heated filament 37 and foam seal press strip 38) and control mechanism ［ 5 ］.The valve part (seeing that Fig. 2-2 is to Fig. 2-5) of vacuum pumping system becomes an integral body that is independent of main casing by valve with the valve supporting frame group, the advance and retreat of valve are not retrained by main casing, control mechanism is a sequence switch, is installed in main casing inside, does not have tight association with upper and lower cover.

The valve of valve part has valve body 1, and the valve hook 2 and the extraction pipe 3 of a pair of shape symmetry arranged respectively in the front and rear both sides of valve body 1, and extraction pipe 3 also can be located at (shown in Fig. 2-9) on the valve piston 4 by consent 40.The valve front end is flat suction inlet 12.Extraction pipe 3 links to each other with vacuum pump by vacuum hose.Have valve joint pin 5 perpendicular thirty years of age in the center of valve body 1, pull bar 24 crosses joint pin 5, and is fixing with valve card 6, and pull bar 24 outer casing springs 23 move usefulness for driving valve.Spring 23 also can be fixed on bracing frame afterbody hook 39 and the valve card 6 (as Fig. 2-9).Whole valve forms with plastic injection-moulded, and also the available metal material is made.The valve bracing frame has frame body 7 and four frame legs 9, and by screw 10(Fig. 2-2) the fixed mount leg is installed on the main casing column.Frame body 7 is one and falls flute profile, mouth down, and fabric width is wide identical with the valve body in its mouthful, makes the valve body just in time be positioned at groove, and makes valve can stably carry out the horizontal slip of fore-and-aft direction under the effect of power.Frame body bottom land has an oblong openings 26(Fig. 2-4).Valve joint pin 5 promptly inserts in wherein.Oblong openings 26 plays a part to stablize the valve motion.Respectively there is the valve hook plate 8 of a shape symmetry frame body both sides.When valve stretched out the main casing valve and exports 11, valve hook 2 promptly was stuck on the valve hook plate 8, makes valve be the state of stretching out, so that bleed.Bracing frame is stamped to form with 0.7-1.5 millimeter sheetmetal, and is also available nontoxic, oil resistant, and the glass-felt plastic and the composite material of acid and alkali resistance are made.Valve and bracing frame are installed on various small size vacuum wrapping machine and the capper as an independently whole available conventional method and use, the type of its form and size visual vacuum wrapping machine and capper and deciding.The cross section of valve can be rounded, oval or square.

Sequence check switch has button 14.Under button, be with stage clip 15 on the thinner post.Both are arranged in the garden cylindricality cavity 31 of recessed housing together.Below cavity 31, trigger sheet 30 for multiple spot.Button and multiple spot trigger sheet is fixed on cavity with connecting screw 16 upper and lower both sides.The lower end of triggering sheet is hook trigger point 17(first trigger point), be used to trigger the valve hook and break off relations.A top end is circuit triggers point 20(second trigger point), being lined with time-delay pad 25 down, for trigger circuit change-over switch button 19 usefulness.Circuit changing switch 18 and shift knob 19 are positioned at the certain distance of time-delay pad below, and the time-delay pad is made with rubber or foamed plastic elastomeric material.Its thickness depends on the distance between second trigger point and source switch.Distance is big, fills up thicker; Distance is little, fills up thinlyyer, can trigger simultaneously to guarantee two trigger points, to remedy the error of production size.The position of each trigger point can be decided according to entire machine design.Sequence switch can be made with plastics, metal or composite material.

The vacuum pump part of extract system is made up of vacuum pump and actuator institute (seeing Fig. 3, Fig. 4-1).Vacuum pump can be with general vacuum pump, and is better with block form electro-magnetic pump (seeing 8 among Fig. 3,9), the most handy conjuncted two bowl ELECTROMAGNETIC VACUUM pumps (5,6 among Fig. 4-1 and Fig. 4-2).Adopt conjuncted two bowl ELECTROMAGNETIC VACUUM pump, when electromagnetic field effect, the power of shaking of two vibrating reeds will strengthen pump housing strength with joint efforts in a conjuncted leather cup, helps gas clean-up and pumping speed.Because the pump housing is little, used part reduces relatively.The vibrating reed of the pump housing and leather cup both sides can be with (the seeing 3 among 3 among Fig. 3 and Fig. 4-3) of straight chip, and suitable form is dioptric type or bending-type (seeing 4 among 4 and the Fig. 4-3 among Fig. 4-1).Adopt dioptric type or flexural vibration sheet, amplitude increases during vibration, and the outstanding position in knee is goed deep into having strengthened the extension amplitude of leather cup in the leather cup (seeing Fig. 4-4), has improved pumping speed and degree of vacuum.The tortuous number of times of vibrating reed can be once also can be repeatedly.Tortuous angle and crooked radian also are various.The magnet steel of vibrating reed end (iron) can be deltiod (seeing 1 among 1 among Fig. 3 and Fig. 4-3), and optimum is prolate bar shaped (seeing 2 among 2 and the Fig. 4-3 among Fig. 4-1).The prolate bar magnet is more more superior than deltiod.Because the width of iron block reduces relatively, the distance of magnet and actuator is dwindled, and has increased the power of shaking (shown in Fig. 4-5).

Valve is terminal with gas nozzle plug 4 sealings.Gas nozzle plug can gum down, and is not removable.Also can be removable,, mouth plug jam-pack be got final product without the glue envelope.The removable cleaning valve that is beneficial to.For this reason, at main casing 21 back sides one valve cleaning eye 13 is arranged.Put in cleaning eye 13 with tweezers during cleaning, folder outlet nozzle plug 4 can clean and sterilizes valve inside and filtering net.

In the machine thorax, also can load onto inflation mechanism, so that to packing container filling nitrogen.

The utility model is rational in infrastructure, simple structure.Valve in the extract system has become an integral body that is independent of main casing with the valve supporting frame group, the position of valve in shell and advance and retreat are limited by bracing frame only, not retrained by main casing, leave main casing and still can work alone.Valve and bracing frame use as independently whole suitable being assemblied on any kind of small size vacuum wrapping machine and the capper, make, install easily, and be easy to maintenance.The pump housing is various, and type selecting is reasonable, and vibratory force is big, pumping speed height, degree of vacuum height.Complete machine work is controlled with sequence switch, and control mechanism is located in the machine, and is sturdy and durable, and reliable operation has also been avoided making wrapping machine easily advance the shortcoming of dust owing to have a plurality of apertures on the main casing simultaneously.Gas nozzle plug is dismantled and assembled, is beneficial to the cleaning and the sterilization of valve.Used part is few during making, and productive costs is low.Processing ease during use, profit goes into to promote.

Description of drawings: Fig. 1-1 covers outside drawing for Japanese vacuum packing machine closes, (11) loam cake pressure handle among the figure, (12) valve sliding handle, (14) loam cake, Fig. 1-2 is the spacious lid figure of Japanese vacuum packing machine, valve is for stretching out state among the figure, (1) valve, (2) valve hook control punch, (3) vacuum-pump power supply button, (4) seal power supply control trigger point, (5) valve hook unhook trigger point, (6) general supply trigger point, (7) vacuum-pump power supply button, (8) general supply hole, (9) rubber hold-down strip, (10) two-wire seals heated filament, (13) seal indicator lamp, (15) main casing, (16) foamed plastic press strip, (1) valve among Fig. 1-3, (12) handle, (15) main casing, (17) hook, (18) dolly, (19) chute, (20) spring, (21) screw, (22) screw column, Fig. 1-3 are Japanese vacuum packing machine inner structure scheme drawing; Fig. 2-1 is the utility model five most of structural representations, Fig. 2-2 is the utility model inner structure scheme drawing, valve is for stretching out state among the figure, 1. valve body, 2. valve osmanthus hook, 3. extraction pipe, 4. gas nozzle plug, 5. joint pin, 6. valve card, 7. bracing frame body, 8. valve hook plate, 9. bracing frame leg, 10. bracing frame check screw, 11. main casing valve outlet, 12. valve suction inlet, 13. valve cleaning eye, 14. sequence switch button, 15. sequence switch stage clip, 16. switch connecting screw, 17. hook trigger point, 18. circuit changing switch, 19. circuit changing switch button, 20. circuit triggers point, 21. main casing, 22. main casing column, 23. spring, 24. pull bar, 25. time-delay pad, 30. triggering sheet, 31. garden cylindricality cavity, Fig. 2-3 is valve birds-eye view and front view, ()/() is range of sizes among the figure, dimensional units is a millimeter, Fig. 2-4 is valve bracing frame birds-eye view and front view, ()/() represented range of sizes among the figure, dimensional units is a millimeter, Fig. 2-5 is valve and valve bracing frame assembling scheme drawing, Fig. 2-6 is the sequence check switch structural representation, Fig. 2-7 is a sequence check switch press-button structure scheme drawing, Fig. 2-8 triggers the sheet scheme drawing for multiple spot, and Fig. 2-9 is valve and the valve support frame structure scheme drawing of spring at afterbody; Fig. 3 is a block form ELECTROMAGNETIC VACUUM pump configuration scheme drawing; Fig. 4-1 is conjuncted two bowl ELECTROMAGNETIC VACUUM pump configuration scheme drawing, Fig. 4-2 is conjuncted two bowl design drawing, Fig. 4-3 is vibrating reed and magnet steel scheme drawing, 2,4 are respectively dioptric type or flexural vibration sheet and prolate bar magnet among the figure, 1,3 is respectively straight chip vibrating sheet and deltiod magnet, Fig. 4-4 is a vibrating reed diaphragm graphoid, a among the figure ₂Be the amplitude of dioptric type or flexural vibration sheet, a ₁Be the amplitude of straight chip vibrating sheet, Fig. 4-5 is magnet and driver pitch mimetic diagram, h among the figure ₂Be the spacing of prolate bar magnet and actuator, h ₁Spacing for deltiod magnet and actuator; Fig. 5 covers outside drawing for the new shape of this practicality is closed, and valve is for stretching out state among the figure.

Optimum dimension of the present utility model is: long 342 millimeters of housing, wide 135 millimeters, high 75 millimeters, 95 millimeters (wherein the valve height is 43 millimeters for the valve length overall, long 52 millimeters of suction nozzle and suction inlet), thick 2.7 millimeters of valve, thick 1.5 millimeters of mouth front end, bleed 10 millimeters of pipe ranges, 6 millimeters of external diameters, 4 millimeters of internal diameters, 38 millimeters of valve hook length overalls, wide 7 millimeters, 89 millimeters of bracing frame frame heights, wide 18 millimeters, 16 millimeters of frame body slot openings, groove nation is high 7.5 millimeters, oblong openings is long 40 millimeters on the bottom land, wide 6 millimeters, 14 millimeters of oblong openings and frame body afterbody spacings, the frame leg is high 16 millimeters, wide 10 millimeters, before, centre distance is 65 millimeters between back leg, centre distance is 28 millimeters between the leg of the left and right sides, 10 millimeters of hook lengths of a film, wide 9 millimeters.

According to above-mentioned size, make and assemble valve part (comprising valve and valve bracing frame) ［ 2 ］ 1. according to Fig. 2-5; Assemble vacuum pump part ［ 2 ］ 2. according to Fig. 4-1, and be ready to the sequence switch element.Then main casing 21 back-offs that perform are come, make the chamber thorax up, and according to Fig. 2-1 with valve part ［ 2 ］ 1., vacuum pump part ［ 2 ］ 2., sequence switch ［ 5 ］ (also by Fig. 2-6) and voltage transformer ［ 4 ］ 36 be installed in the thorax of chamber, insert electronic circuit board ［ 3 ］ 32, by last vacuum-pump power supply shift knob ［ 3 ］ 33, seal indicator lamp ［ 3 ］ 34 and seal time adjusting knob ［ 3 ］ 35.Continue it,, buckle bottom 28, again main casing 21 is turned over button together with mounted parts and come just to put by the gentle body pipeline of last electric wire.Then connect loam cake rear axle and main casing rear axle, make loam cake 27 and main casing 21 be linked to be a complete housing ［ 1 ］ with wearing silk.Loam cake 27 can free opening and closing.At last rubber hold-down strip ［ 4 ］ 37, foam seal press strip ［ 4 ］ 38 are contained in the loam cake 27 and get final product.The vacuum packing machine of making, its profile as shown in Figure 5.

The utility model carries out work according to following principle (can with reference to Fig. 2-2).Will this novel 220V power supply that connects.Open its loam cake 27, outwards spur pull bar 24, the spring 23 on it is compressed immediately, and drives valve joint pin 5, and that continues pulls out valve by post 5.When valve hook 2 hung on the valve bracing frame hook plate 8, valve promptly was the state of stretching out.At this moment the flexible container that article are housed, lie on the heated filament 37 as plastic packaging bag etc., and valve is inserted in the container, loam cake 27 closes, the right hand is pressed vacuum-pump power supply button 33, connects the circuit of bleeding, and vacuum pump is promptly extracted the air in the packing container rapidly out by extraction pipe 3 and valve.Then, press loam cake pressure handle 29 after two, packing container and heated filament are close to.Continue it, depress sequence switch button 14, following spring is that pressurized shortens, multiple spot triggers sheet 30 and moves down, and makes second trigger point 20 by following elastomeric material 25 trigger circuit change-over switch buttons 19, cuts off the circuit of bleeding, connect the heat-sealing circuit, the heat-sealing beginning, it is shinny to seal indicator lamp.Move down first trigger point 17 because multiple spot triggers sheet 30 simultaneously, trigger the valve hook and break away from bracing frame hook plate 8, the spring 23 on the pull bar 24 unclamps elongation, makes valve return original position, stops to bleed.Seal indicator lamp and extinguish expression heat-sealing end.Lamp goes out the back for a moment, can unclamp loam cake pressure handle 29, opens loam cake 27, takes out packing container.Article in the container just can be under the vacuum condition fresh-keeping for a long time.

Claims

1, a kind of small size vacuum wrapping machine, (comprise main casing by housing, loam cake and bottom), vacuum pumping system (comprising valve partial sum vacuum pump part), (constituent elements has wiring board to electronic circuit, the vacuum-pump power supply button, seal indicator lamp and seal the time adjusting knob), (composition seals voltage transformer to closure part, seal rubber press strip and foam seal press strip) and control mechanism five most of compositions, the valve part that it is characterized by vacuum pumping system becomes an integral body that is independent of main casing by valve with the valve supporting frame group, the advance and retreat of valve are not retrained by main casing, can work alone, control mechanism is a sequence switch, be installed in main casing inside, with last, lower cover does not have tight association.

2, vacuum packing machine according to claim 1 is characterized by:

(1) valve of valve part has a valve body, the front and rear both sides of body have the valve hook and the extraction pipe of a pair of shape symmetry respectively, the valve front end is a flat suction inlet, extraction pipe links to each other with vacuum pump by vacuum hose, the valve joint pin that stands vertically is arranged in the center of valve body, aperture is arranged on the post, cross a pull bar, fix with the valve card, bar is with spring outward, moves usefulness for driving valve, and the valve bracing frame has a body and four frame legs, with screw fixed mount leg bracing frame is contained on the main casing column, bracing frame is one and falls flute profile, and fabric width is wide identical with the valve body in the notch, makes valve just in time be positioned at groove, bottom land has an oblong openings, the valve joint pin promptly inserts in wherein, plays a part to stablize the valve motion, and also respectively there is a hook plate frame body both sides, when the overhanging valve hook of valve was stuck on the valve hook plate, valve promptly kept stretching out state;

(2) sequence check switch has button, under button, be with stage clip on the thinner post, both are arranged in the garden cylindrical cavity of recessed housing together, and then be under cavity that multiple spot triggers sheet, button and multiple spot trigger sheet and are fixed on the upper and lower both sides of aperture with connecting screw, and the lower end of triggering sheet is the hook trigger point, be used to trigger valve and break away from hook plate, a top end is the circuit triggers point, being lined with the time-delay pad down, for the circuit changing switch button in its below certain distance of triggering;

3, vacuum packing machine according to claim 2 is characterized by extraction pipe and also can be arranged in gas nozzle plug by the gas nozzle plug consent.

4, vacuum packing machine according to claim 2 is characterized by spring and also can be fixed on bracing frame afterbody hook and the valve card.

5, according to claim 1 and 2 described vacuum packing machines, it is characterized by valve and form with plastic injection-moulded, also the available metal material is made.

6, according to claim 1 and 2 described vacuum packing machines, it is characterized by the valve bracing frame and form with metal stamping, also available nontoxic, oil resistant, the glass-felt plastic and the composite material of acid and alkali resistance are made.

7, according to claim 1 and 2 described vacuum packing machines, it is characterized by valve and bracing frame as one independently integral body can be assemblied on various small size vacuum wrapping machine and the capper and use, the type of its form and size visual vacuum wrapping machine and capper and changing.

8, according to claim 1 and 2 described vacuum packing machines.It is characterized by vacuum pump can use the block form electro-magnetic pump better with general vacuum pump, the most handy conjuncted two bowl ELECTROMAGNETIC VACUUM pumps.

9, vacuum packing machine according to claim 1, the vibrating reed that it is characterized by the pump housing and leather cup both sides can be straight chip, is preferably dioptric type or bending-type, the magnet of vibrating reed end is deltiod, is preferably the prolate bar shaped.

10, according to claim 1,7 described vacuum packing machines, it is characterized by the valve end gas nozzle plug is housed, the blended rubber sealing, the mouth plug can not dismounting, also can be can dismounting, promptly seals without glue, mouth plug jam-pack is got final product, and one aperture is arranged in the corresponding position of the main casing back side and gas nozzle plug, for opening gas nozzle plug, clean and the sterilization valve is used.