CN204096120U - Vacuum packing machine - Google Patents

Abstract

The utility model relates to a kind of vacuum packing machine, it comprises: main frame, main frame is shaped to the holding tank with opening, body interior is provided with vacuum elements, the control assembly of the action of cam pack and control vacuum elements and cam pack, energy sealed type covers the lid of holding tank opening, the aspirating hole be communicated with vacuum elements is provided with in the sealing area of main frame, the face that is sealed and matched of main frame and lid is fixedly installed heating box, inner lid is provided with holding down assembly of matching with heating box, hold down assembly can be driven by cam pack under the control of control assembly and can away from or close to heating box.According to vacuum packing machine compact conformation of the present utility model, be applicable to family and use.

Description

Vacuum packing machine

Technical field

The utility model relates to a kind of Article packaging machines, particularly a kind of vacuum packing machine.

Background technology

Present human lives is more and more abundanter, food gets more and more, for preventing food from occurring rotten, infested or other problems, or in order to food be preserved for a long time and save in the direct holding chamber of refrigerator space, food being carried out vacuum packaging and fresh-keepingly becoming a kind of trend.Therefore, the vacuum packing machine being applicable to family expenses also just becomes the necessity of family gradually.

Utility model content

For above-mentioned technical matters existing in prior art, the utility model proposes a kind of vacuum packing machine, according to vacuum packing machine compact conformation of the present utility model, be applicable to family and use.

According to the utility model, propose a kind of vacuum packing machine, comprise: main frame, main frame is shaped to the holding tank with opening, body interior is provided with vacuum elements, cam pack, energy sealed type covers the lid of holding tank opening, the region that lid covers forms the sealing area of main frame, the aspirating hole be communicated with vacuum elements is provided with in the sealing area of main frame, the face that is sealed and matched of main frame and lid is fixedly installed heating box, inner lid is provided with holding down assembly of matching with heating box, hold down assembly can be driven by cam pack and can away from or close to heating box.

According to vacuum packing machine of the present utility model, hold down assembly to be driven by cam pack and can away from or close to heating box, and by heating box and hold down assembly the opening compresses of sack and sealing, vacuum packing machine of the present utility model like this can be applicable to various commercially available freshness protection package or sack, facilitates people and uses.Vacuum packing machine of the present utility model also realizes bleeding to sack, compress and sealing by control assembly, facilitates the operation of people.In addition, the cam pack structure as actuator is simple, is convenient to safeguard.

In one embodiment, lid edge matches with holding tank edge, is provided with seal ring to realize sealing in lid edge and/or holding tank edge.

In one embodiment, lid is provided with the external pore of self-sealing.Use conduit to be connected by container to be sealed to external pore and outside, can use, according to vacuum packing machine of the present utility model, sack is not limited to other container vacuum-pumping, expand the range of use of vacuum packing machine of the present utility model.

In one embodiment, hold down assembly comprise with can away from or close to the mode of heating box and the movable back-up block be connected of lid and the compression bar driven by back-up block, wherein on back-up block, be provided with through hole, back-up block can move along through this through hole and the guide pillar be fixedly connected with lid.Cam pack comprises motor, Transmission, cam and by cam-actuated push rod, and wherein push rod can protrude drives back-up block to drive compression bar move from the position corresponding with back-up block.In a preferred embodiment, between back-up block and lid, be also provided with the elastic component of the direction applying elastic force along guide pillar.By the combined action of elastic component and cam pack, can realize holding down assembly automatically away from heating box or close to heating box, namely achieve the automatic motion held down assembly, facilitate the operation of user.In addition, elastic component, cam pack are all resistance to appliances, and service life is longer, reduce the probability broken down according to vacuum packing machine of the present utility model.In addition, the structure of elastic component, cam pack is also fairly simple, is convenient to produce, assemble and miniaturization.

In a preferred embodiment, the quantity of back-up block is two, and be arranged on the two ends of compression bar, cam pack comprises the first cam and second cam of two synchronous axial system, and the first cam and the second cam are respectively arranged with the push rod matched with two back-up blocks.More steady by arranging the motion that two back-up blocks and two cam packs can make to hold down assembly.

In one embodiment, cam pack also comprises the first micro-switch and the second micro-switch, and two micro-switchs and a cam engagement are to control the running of motor and vacuum elements.In the initial state, push rod is in extreme lower position, and the first micro-switch is triggered and sends the first signal and makes motor rotation.When push rod moves to extreme higher position, the second micro-switch is triggered and motor is stopped, and vacuum elements starts to bleed simultaneously.After terminating when bleeding, vacuum elements stops, simultaneously motor rotation.When extreme lower position arrive in push rod motion again, the first micro-switch is triggered and sends secondary signal motor is stopped, while heating box generate heat with sealed bag opening.

In another embodiment, cam pack also comprises the first micro-switch and the second micro-switch, and the first micro-switch matches with the first cam, and the second micro-switch matches with the second cam the running controlling motor and vacuum elements.In the initial state, push rod is in extreme lower position, and the first micro-switch is triggered by the first cam and makes motor rotation.When push rod moves to extreme higher position, the second micro-switch is triggered by the second cam and motor is stopped, and vacuum elements starts to bleed simultaneously.After terminating when bleeding, vacuum elements stops, simultaneously motor rotation.When extreme lower position is arrived in push rod motion again, the first micro-switch is sent secondary signal by the first cam triggering and makes motor stalls, makes heating box generate heat with sealed bag opening simultaneously.Cam and micro-switch combined action make vacuum packing machine achieve automatically to carry out bleeding and sealing, this facilitate that the use of user.

In a preferred embodiment, the compression bar support that comprises rigidity and the elastic adhesive tape that is fixedly assembled together with support.Under the effect of squeese pressure, elastic adhesive tape also can be out of shape thus be compressed by sack, so that heated sealant with heating box close contact.In addition, the support of rigidity can be played a supporting role to elastic adhesive tape, avoids elastic adhesive tape generation plastic deformation, and the support of rigidity is convenient to apply application force to make elastic adhesive tape meeting and heating box close contact to elastic adhesive tape.

In one embodiment, between seal ring and heating box, be also provided with bag opening positioning groove, aspirating hole is positioned at holding tank edge and the region be in inside seal ring and depart from bag opening positioning groove.By arranging bag opening positioning groove, user can determine the placement location of bag opening, facilitates use.The setting position of aspirating hole effectively can prevent aspirating hole to be received the article blocking in groove and cause and bleed slowly, the problem even can not bled.

In this application, state when term " initial condition " refers to starting up.

The utility model has the advantage of, vacuum packing machine of the present utility model employs elastic component, cam pack drives compression bar motion to drive back-up block, and this structure is simple, compact, is applicable to the vacuum packing machine of household small-size.Elastic component, cam pack are all resistance to appliances, and service life is longer, reduce the probability broken down according to vacuum packing machine of the present utility model.In addition, between seal ring and heating box, be also provided with bag opening positioning groove, user can determine the placement location of bag opening thus, facilitates use.

Accompanying drawing explanation

Below in conjunction with accompanying drawing, the utility model is described in further detail, wherein:

Fig. 1 is the decomposition view held down assembly according to vacuum packing machine of the present utility model;

Fig. 2 is the schematic diagram of the cam pack according to vacuum packing machine of the present utility model;

Fig. 3 is the schematic diagram of the back-up block according to vacuum packing machine of the present utility model;

Fig. 4 is the schematic diagram of the vacuum elements according to vacuum packing machine of the present utility model;

Fig. 5 is the A-A section drawing of the vacuum packing machine of Fig. 1;

Fig. 6 is the birds-eye view of the main frame according to vacuum packing machine of the present utility model;

Fig. 7-10 uses the method schematic diagram according to vacuum packing machine of the present utility model.

In the accompanying drawings, identical parts use identical Reference numeral.Accompanying drawing is not according to the scale of reality.

Detailed description of the invention

Below in conjunction with accompanying drawing, the utility model is described further.

Fig. 1 show schematically show holding down assembly according to vacuum packing machine 10 of the present utility model.As shown in Figure 1, vacuum packing machine 10 comprises main frame 100 and lid 200.In the inner side of lid 200, hook 201 is installed, has the shift knob 105 matched with hook 201 in the arranged outside of main frame 100.Covered after on main frame 100 by lid 200, hook 201 and shift knob 105 can connected to each otherly stably cover to realize lid 200.Main frame 100 is shaped to the holding tank 101 with opening, and inner at main frame 100, the below of holding tank 101 is provided with cam pack 300 (see Fig. 2), vacuum elements 400 (see Fig. 4).Can also arrange control assembly, wherein control assembly can control the action of vacuum elements 400 and cam pack 300, and this will be described in more detail below.

Lid 200 is connected with main frame 100 rotary type by hinge 102.The size configurations of lid 200 is that it can seal the top surface (that is, the surface of holding tank 101 opening) covering main body 100, to realize holding tank 101 to seal.In a preferred situation, the edge (not shown) of lid 200 matches with the edge 103 of holding tank 101, and in the edge 103 of holding tank, arranges seal ring 111 to realize sealing purpose mentioned above.Should be appreciated that, also seal ring can be set in the edge of lid 200, or in the edge of lid and holding tank edge 103, all seal ring is set.

Be provided with aspirating hole 104 at main frame 100 by the region that seals, aspirating hole 104 is communicated with vacuum elements 400 to realize vacuumizing sack (not shown) to be sealed or holding tank 101.In a preferred situation, aspirating hole 104 is arranged in holding tank edge 103, and is in the inner side of seal ring 111, the article of holding tank 101 can be avoided like this to be blocked by aspirating hole 104.

In the edge 103 of main frame 100, the inner side of seal ring 111 is fixedly installed heating box 106, movablely on the inwall of lid 200 is provided with holding down assembly of mating with heating box 106 of being driven by cam pack 300.During by the vacuum seal of sack (not shown), the main body of sack can be in holding tank 101, and the opening of sack is in the position between heating box 106 and seal ring 111.After cover lid 200, hold down assembly and can compress heating box 106, in order to realize being vacuumized by bag interior, needing to hold down assembly lifts slightly; After vacuumizing end, hold down assembly and need again to compress heating box 106, therefore will hold down assembly is set to activity.

When shown in Fig. 1, hold down assembly and comprise two back-up blocks 202,202 ' and the compression bar that supported by back-up block 202,202 '.The support 205 that compression bar comprises rigidity and the elastic adhesive tape 206 coordinated with heating box 106.When by sack heated sealant, can there is elastic deformation in elastic adhesive tape 206 under the effect of squeese pressure, thus improve the sealing quality of sack.Because elastic adhesive tape 206 is for matching to be compressed and heated sealant by sack with heating box 106, therefore the position of elastic adhesive tape 206 should match with the position of heating box 106, as shown in Figure 5.Support 205 is configured with mounting groove 208 along its length, elastic adhesive tape 206 is configured with installation projection 209 along its length, realize elastic adhesive tape 206 and support 205 to be fixedly assembled together thus.The support 205 of rigidity can avoid elastic adhesive tape 206 that undesirable distortion occurs, to improve sealing quality.

Back-up block 202,202 ' identical, be only described for back-up block 202 below.As shown in Figure 3, back-up block 202 is configured to substantially become " convex " shape, and the part of projection forms projection 210, is lower platform 212 and 213 in the both sides of projection 210.All be configured with through hole 203 in platform 212 and 213 part of back-up block 202, and on projection 210, overlap flexible 214, such as spring (as shown in Figure 1).Lid 200 is configured with the guide pillar (not shown) coordinated with back-up block 202.In confined state, projection 210 is towards lid 200, and such spring 214 is just between projection 210 and lid 200, and can apply elastic force along the direction of guide pillar.Back-up block 202 is movable by means of through hole 203 to be located on guide pillar, thus back-up block 202 can near or move away from lid 200.Guide pillar is greater than the screw of the length of back-up block 202 and realizes by length, can certainly realize by other means, repeat no more here.

Back-up block 202 is provided with installing port 207, and back-up block 202,202 ' can be assemblied in the two ends place of support 205 thus.When back-up block 202,202 ' near or when moving away from lid 200, support 205 and elastic adhesive tape 206 also can produce identical motion, namely elastic adhesive tape 206 can near or move away from heating box 106, slightly lift or hold down assembly compress the action of heating box 106 to achieve mentioned above holding down assembly.Although it should be noted that the situation that there has been described and arrange two back-up blocks, in fact, the quantity of back-up block can also be one or be multiple, and this can determine according to actual design structure.

Fig. 2 shows the cam pack 300 matched with holding down assembly in Fig. 1, and cam pack 300 is for driving the motion of back-up block 202,202 '.As shown in Figure 2, the transmission Transmission that cam pack 300 comprises motor 301, is made up of two gears 302,303, the first cam 304, second cam 305 and by two each self-driven push rods 306 and 307 of cam.Push rod 306 and 307 can from protruding with back-up block 202, the 202 ' corresponding position (hole in such as Fig. 6 110 and 110 ') main frame 100 surface, to move thus drive compression bar to move to drive back-up block 202,202 ' along guide pillar.First cam 304 is connected by drive link 308 with the second cam 305 and realizes synchronous axial system, push rod 306 and 307 can be realized like this protrude simultaneously and retract, and then achieve being synchronized with the movement of back-up block 202,202 ', make the motion that holds down assembly more steady.Should be appreciated that, if the quantity of back-up block is one or more, then should make corresponding change to the quantity of cam.

Only for back-up block 202, the motion process held down assembly is described below.When vacuumizing sack, when the first cam 304 is when turning to vertex, back-up block 202 lifts by push rod 306, and elastic adhesive tape 206 leaves heating box 106 slightly so that bleed to sack, and at this moment spring 214 is compressed.Bleed after terminating, push rod 306 arrives its extreme lower position gradually along with the first being rotated further of cam 304, back-up block 202 resets under spring 214 acts on during this period, and elastic adhesive tape 206 and heating box 106 realize close contact to carry out heating thus by pouch seal.The motion process of back-up block 202 ' is identical therewith, no longer describes here.Thus, by the combined action of spring and cam pack 300, hold down assembly can automatically away from or close to heating box 106, namely achieve the automatic motion held down assembly, facilitate the operation of user.

Fig. 4 show schematically show the vacuum elements 400 for vacuum packing machine 10.Vacuum elements 400 comprises air pump 401 and pipeline 402, and wherein pipeline 402 is connected with aspirating hole 104 mentioned above.Vacuum elements 400 is known by those skilled in the art, repeats no more here.

In order to realize can automatically carrying out vacuumizing and sealing according to vacuum packing machine 10 of the present utility model, cam pack 300 also comprises the first micro-switch 220 and the second micro-switch 221, and the first micro-switch 220 and the first cam 304 are used in combination, the second micro-switch 221 and the second cam 305 are used in combination.As shown in Figure 2, the first micro-switch 220 is arranged on the top of the first cam 304, and the second micro-switch 221 is arranged on the below of the second cam 305.

In use, the mouth of sack to be sealed is arranged between seal ring 111 and heating box 106.Start power supply, at this moment push rod 306 and 307 is all in its extreme lower position, and the first cam 304 can trigger the first micro-switch 220 and send the first signal motor 301 is operated.When the first cam 304 and the second cam 305 rotate 180 °, namely when push rod 306 and 307 all arrives its extreme higher position, back-up block 202,202 ' is by jack-up, elastic adhesive tape 206 is slightly spaced apart with heating box 106, second micro-switch 221 is triggered by the second cam 305 and motor 301 is stopped operating, and air pump 401 operates to bleed to sack simultaneously.After terminating when bleeding, air pump 401 stops, and motor 301 operates simultaneously.When the first cam 304 and the second cam 305 are rotated further 180 °, namely when push rod 306 and 307 all arrives its extreme lower position, back-up block 202,202 ' is returned to its extreme lower position, elastic adhesive tape 206 and heating box 106 close contact, at this moment the first micro-switch 220 is triggered by the first cam 304 and sends secondary signal and motor 301 is stopped operating, and makes heating box 106 electrified regulation to seal sack simultaneously.Achieve the automatic operation of vacuum packing machine 10 thus by means of cam and micro-switch, this facilitate that the use of user.

In one embodiment, control assembly can process the data from the first micro-switch 220, second micro-switch 221 and pressure sensor.Control assembly also comprises the pressure sensor (not shown) for detecting in air pump 401 pumping chamber (not shown).

It should be noted that, two micro-switchs and a cam engagement can also be made to use, and be arranged on the top of this cam by one of them micro-switch, another micro-switch is arranged on the below of this cam.The operating process of vacuum packing machine 10 with describe identical above, repeat no more here.

Because the spacing of seal ring 111 and heating box 106 is less, be difficult to the position accurately determining bag mouth, therefore between seal ring 111 and heating box 106, be provided with bag opening positioning groove 112, as shown in Figure 6.Like this, user only needs bag mouth to be set in positioning groove 112, and can ensure the excellent sealing of sack, this greatly facilitates use.In this case, aspirating hole 104 should depart from positioning groove 112 with ensure bleed smooth and easy.

Fig. 7-10 show schematically show the method used according to vacuum packing machine 10 of the present utility model.Fig. 7 shows sack 701 and is in situation in holding tank 101, can make the sack of the face of using up or burr type in this case.Fig. 8 shows sack 801 and is in outside vacuum packing machine 10, only bag mouth is set to the situation carrying out in vacuum packing machine 10 sealing, only can uses the sack of burr type in this case.Fig. 9 shows the situation being placed into by container 901 and carrying out in holding tank 101 vacuumizing.Figure 10 shows the situation being placed on by container 1001 and carrying out outside vacuum packing machine 10 vacuumizing, and in this case, needs to be connected with container 1001 by external for the self-sealing on lid 200 pore 230 by conduit 1002.

In this application, sack is preferably food preserving bag, and the packaging bag of certain other types also can use.

Although be described the utility model with reference to preferred embodiment, when not departing from scope of the present utility model, various improvement can be carried out to it and parts wherein can be replaced with equivalent.Especially, only otherwise there is structural hazard, the every technical characteristic mentioned in each embodiment all can combine in any way.The utility model is not limited to specific embodiment disclosed in literary composition, but comprises all technical schemes fallen in the scope of claim.

Claims (10)

1. a vacuum packing machine, is characterized in that, comprising:

Main frame, described main frame is shaped to the holding tank with opening, and described body interior is provided with vacuum elements, cam pack,

Energy sealed type covers the lid of described holding tank opening, and the region that described lid covers forms the sealing area of described main frame,

The aspirating hole be communicated with described vacuum elements is provided with in the sealing area of described main frame, the face that is sealed and matched of described main frame and described lid is fixedly installed heating box, described inner lid is provided with holding down assembly of matching with described heating box, described in hold down assembly can be driven by described cam pack and can away from or close to described heating box.

2. vacuum packing machine according to claim 1, is characterized in that, described lid edge matches with described holding tank edge, in lid edge and/or holding tank edge, be provided with seal ring.

3. vacuum packing machine according to claim 2, is characterized in that, described in hold down assembly comprise with can away from or close to the mode of heating box and the movable back-up block be connected of described lid and the compression bar driven by described back-up block,

Wherein on described back-up block, be provided with through hole, described back-up block can move along through this through hole and the guide pillar be fixedly connected with lid.

4. vacuum packing machine according to claim 3, is characterized in that, described cam pack comprises motor, Transmission, cam and by cam-actuated push rod,

Wherein said push rod can protrude to drive described back-up block to drive described compression bar to move from the position corresponding with described back-up block.

5. vacuum packing machine according to claim 4, is characterized in that, the quantity of described back-up block is two, and is arranged on the two ends of described compression bar,

Described cam pack comprises the first cam and second cam of two synchronous axial system, and described first cam and the second cam are respectively arranged with the push rod matched with described two back-up blocks.

6. the vacuum packing machine according to any one of claim 3 to 5, is characterized in that, is also provided with the elastic component of the direction applying elastic force along described guide pillar between described back-up block and described lid.

7. vacuum packing machine according to claim 6, is characterized in that, the support that described compression bar comprises rigidity and the elastic adhesive tape be fixedly assembled together with described support.

8. the vacuum packing machine according to any one of claim 3 to 5, it is characterized in that, between described seal ring and described heating box, be also provided with bag opening positioning groove, described aspirating hole is positioned at described holding tank edge and the region be in inside described seal ring and depart from described bag opening positioning groove.

9. vacuum packing machine according to claim 5, is characterized in that, described cam pack also comprises the first micro-switch and the second micro-switch, and described two micro-switchs and a cam engagement are to control the running of described motor and vacuum elements.

10. vacuum packing machine according to claim 5, it is characterized in that, described cam pack also comprises the first micro-switch and the second micro-switch, and the first micro-switch matches with the first cam, the second micro-switch matches with the second cam the running controlling described motor and vacuum elements.