CN207029736U - Cut the vacuum sealer of automatic rewinding after bag - Google Patents

Abstract

The utility model discloses the vacuum sealer for cutting automatic rewinding after bag, cut the vacuum sealer of automatic rewinding after bag, upper lid is slidably fitted with an at least cutter, lower upper part of the cover forward position is provided with heat-sealing bar and vacuumizes groove, upper lid or lower cover set marsupial body receiving room, the automatic rewinding axle that can be dismantled is rotatably installed with bag body receiving room, the end of automatic rewinding axle is provided with the elastic unreeling mechanism for driving automatic rewinding axle backrush and the elastic one-way retaining mechanism for locking automatic rewinding axle；Cutter is protruded in the bottom surface of lower cover, and cutting knife moves back and forth in the side of heat-sealing bar or vacuumized the side of groove after upper cover lock is placed on lower cover, for cutting off the bag body being pressed between upper lid and lower cover.The utility model is simple in construction, is realized in the original heat-sealing bar of lower cover or vacuumize at groove and cuts bag, and it is more convenient to cut bag, after bag body cut off, after uncapping vacuum packaging bag volume can automatic rewinding bag body, the operating procedure of user is reduced, using being more convenient.

Description

Cut the vacuum sealer of automatic rewinding after bag

Technical field

Household vacuum sealing machine technical field is the utility model is related to, more particularly, to the vacuum seal for cutting automatic rewinding after bag Mouth machine.

Background technology

Household vacuum sealing machine is provided with lid and lower cover, and lower cover is provided with vacuum tank, when vacuumizing by vacuum packet The sack of the sacks such as pack is inserted at vacuum tank, by vacuum tank to vacuum packaging after the vacuum pump startup of connection vacuum tank The sacks such as bag vacuumize, and seal sack finally by the heat-sealing bar of lower cover, complete sealing action.

It is vacuum-packed for being carried out using package vacuum packaging bag, sack is cut off for convenience of user, vacuum seal Machine is typically provided with knife box in the top surface of upper lid and has slip cutting knife, and China Patent No. is " 201020127855.8 ", proprietary term Referred to as " plastic bag sealer " and China Patent No. are " 201120209473.4 ", patent name is " a kind of cutter device changes Shown in the Chinese utility model patent of the vacuum pumping sealing port machine entered ", vacuum packaging bag used in vacuum sealer is web-like The bag body of both sides closing, therefore, during use needs to be initially switched off one section of bag body to come out, then passes through the heat-sealing bar of vacuum sealer and distinguish The both ends of bag body are sealed and form vacuum packaging sack.Heat-sealing bar will be installed in upper lid and lower cover, it is complicated, into This is also high.

And also inconvenient when in use, it is needed first to be moved at the knife box of upper cover top surface, and volume is vacuum-packed The leading section of the bag body of bag passes through or is pressed in the knife box of upper cover top surface, then is cut off bag body by sliding cutting knife, then again will Cut the bag body come to be transferred at vacuum tank, heat-sealing sealing is first carried out to wherein one end, form the bag that can load food Son, after food is loaded, then the other end is inserted at vacuum tank and is vacuumized and is sealed, using upper cumbersome.

It is number when in use for the vacuum packing machine for the storage chamber that web-like vacuum packaging bag is built in inside It is tired, need first to extract the sack in the storage chamber being placed in vacuum sealer out longer length when cutting off bag body, take out The length of the sack pulled out necessarily much larger than the length for cutting the sack come, could move sack to cutter cut-out, so Also it is set to be retracted back in sack storage chamber, then the one end of bag body is transferred to manually by remaining sack backrush afterwards At vacuum tank, heat-sealing sealing first is carried out to wherein one end, using upper more inconvenient, it is therefore necessary to improved.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of vacuum for cutting automatic rewinding after bag Sealing machine, the automatic rewinding bag body after bag body is cut off, the operating procedure of user is reduced, using more convenient.

To achieve these goals, technical scheme is used by the utility model：Cut the vacuum seal of automatic rewinding after bag Mouth machine, including upper lid, lower cover and cutter, upper lid rotation are installed on lower cover, and upper lid is slidably fitted with an at least cutter, Lower upper part of the cover forward position is provided with heat-sealing bar and vacuumizes groove, and upper lid or lower cover are provided with the vacuum packet for storing web-like The bag body receiving room of volume is packed, the automatic rewinding axle that can be dismantled is rotatably installed with bag body receiving room, web-like is located at for going here and there Vacuum packaging bag volume middle part axocoel in, the end of automatic rewinding axle is provided with the elasticity for driving automatic rewinding axle backrush Unreeling mechanism and the elastic one-way retaining mechanism for locking automatic rewinding axle；Cutter is protruded in the bottom surface of lower cover, Cutting knife moves back and forth in sealing the side of bar or vacuumizing the side of groove after upper cover lock is placed on lower cover, and upper lid is pressed on for cutting off Bag body between lower cover.

In further technical scheme, the rearward end rotation of the upper lid is installed on the rearward end of the lower cover, lower cover The top surface of leading section be provided with the heat-sealing bar and it is described vacuumize groove, heat-sealing bar and vacuumize the spaced and parallel setting of groove and under The length direction extension of lid, the top surface of the rearward end of lower cover are provided with the bag body receiving room, the left and right ends of bag body receiving room Portion is respectively arranged with axis body installation chamber, and activity is embedded in the axis body installation of left and right two respectively in the left and right ends portion of automatic rewinding axle In chamber；The middle and upper part of the cutter is slidably mounted on the inside of the leading section of lid, and the bottom protrusion of cutter exists The bottom surface of the leading section of lower cover, cutter are fixed with cutting knife, and cutting knife moves back and forth in heat-sealing bar after upper cover lock is placed on lower cover And vacuumize the position between groove.

In further technical scheme, the elastic one-way retaining mechanism includes drive, single direction rotation limits lock and The trip lever for limiting the state of lock for changing single direction rotation, drive are fixed on the first end of the automatic rewinding axle, Single direction rotation limits lock and is movably installed in the lower cover, and single direction rotation limits lock elasticity and presses on drive, for limiting The automatic rewinding axle single direction rotation and can only unreel output body；Trip lever is fixed on the upper lid, and cover lock is placed on described Trip lever touches single direction rotation restriction lock after the lower cover, releases single direction rotation and limits locking of the lock to drive.

In further technical scheme, the inside of the leading section of the upper lid is provided with a belt, the leading section of upper lid Top surface or front end face are slidably fitted with least one pushing part for being used to drive belt to move back and forth, and the inner end of pushing part is fixed on Belt, the cutter are fixed on belt, drive cutter to follow belt to move back and forth when belt moves back and forth.

In further technical scheme, the bottom surface of the upper lid offers a limit sliding chutes, and limit sliding chutes are parallel to heat-sealing Bar vacuumizes groove, and the inside of upper lid is provided with some driving columns, and the belt is annular band body, and belt passes through driving column Tightly powered belt body, the band of outer face of the belt away from upper lid are formed into " mouth " font, band body of the belt adjacent to the outer face of upper lid Body forms driven belt body, and powered belt body is fixed in the pushing part, and the cutter is fixed on driven belt body, driven belt body and Cutter slidably reciprocates in limit sliding chutes；The cutter includes knife box and two blades, the side point of two blades Not Ju You a cutting edge, two blades are separately fixed at the left and right sides of knife box, and the cutting edge of two blades is respectively facing outside, and The cutting edge of two blades is inclined.

In further technical scheme, the bottom of the knife box forms a hook portion, and the knife is linked in the middle part of hook portion Box, form one respectively in the left and right sides of the top of hook portion and enter a bag ditch, the cutting edge of two blades protrudes respectively to be entered In bag ditch；The lower cover offers an avoiding hollow groove, and the hook portion is inserted in avoiding hollow groove after cover lock is placed on the lower cover on described In and slidably reciprocate in avoiding hollow groove, be pressed on bag body between lid and lower cover in the height direction positioned at it is described enter bag ditch In opening；The cutting edge is located at the inner end into bag ditch, and it is sharp that one is formed between inclined cutting edge and the bottom surface for entering bag ditch Angle angle.

In further technical scheme, the lower cover offers locking chamber, and the top of locking chamber connects described for storing The top of the axis body installation chamber of the first end of automatic rewinding axle；The single direction rotation limits lock rotation and is installed on lock Room, the leading section that single direction rotation limits lock are extend into adjacent axis body installation chamber through the top of locking chamber；In locking chamber Spring is installed, spring connection single direction rotation limits lock, compresses its elasticity for applying one to single direction rotation restriction lock In the elastic force of drive.

In further technical scheme, the wheel body or wheel face of the drive along the circumferential direction form some briar tooths；Institute State single direction rotation and limit the first side of lock and be molded a latch hook, the second side and form a unblock drive division, unlock on drive division into Type has driver slot position, and the middle part that single direction rotation limits lock is articulated in the lower cover, and the top of latch hook through locking chamber is extend into In adjacent axis body installation chamber, latch hook elasticity presses on the briar tooth of drive, and the lower end of the spring is installed on the bottom of locking chamber Portion, upper end are connected to unblock drive division, for applying a upward elastic acting force to unblock drive division；The cover lock lid on described Trip lever is inserted in driver slot position after the lower cover, for driving latch hook to be moved upward and out briar tooth, releases unidirectional rotation Turn to limit locking of the lock to drive.

In further technical scheme, the elastic unreeling mechanism includes end cap, elastic energy storage element and interior cap assemblies, institute The second end for stating automatic rewinding axle offers embedded room, and interior cap assemblies are fixed in embedded room；End cap rotation is installed on inner cap Component, end cap protrudes the second end in automatic rewinding axle, and end cap active card is embedded in and is used to store the automatic rewinding axle In the axis body installation chamber of the second end, cap assemblies, the second end connection end cap in the first end connection of elastic energy storage element；It is described Interior cap assemblies include inner cap, middle cover and torsion transmitting element, and the side of inner cap offers torsion room, torsion transmitting element rotation peace Loaded in torsion room, the internal face of torsion room is along the circumferential direction molded some depressions, and axis hole is opened up in the middle part of inner cap；Torsion transmits member The side of part towards the end cap is protruding with a torsion shaft, and torsion shaft rotates the axis hole for being installed on inner cap, the outer end of torsion shaft Through axis hole and connect the first end of the elastic energy storage element；Torsion transmitting element extends in a radial direction out at least two tools Flexible elastic snap arm, the outer end of elastic snap arm form convex portion, and convex portion elasticity is resisted against the recessed of the internal face of torsion room In cave；Inner cap is fixed in first side of middle cover, and the inner end rotation of end cap is installed on middle cover, energy-storing chamber is offered in the middle part of middle cover Room, the elastic energy storage element are located in energy storage chamber, and elastic energy storage element is selected in elastic wire, torsion spring, clockwork spring or shell fragment One kind；Through hole is opened up in the middle part of the middle cover, through hole is less than the energy storage chamber, formed in through hole and energy storage chamber abutted surface One clasp, the side of end cap towards middle cover form some button pin, and each button pin is each passed through through hole and active buckle is in clasp, and The lateral surface of each button pin is the arc surface for having same radius, each lateral surface for detaining pin and through hole rotatable engagement；Convex portion and depression It is convex when the elastic force of elastic energy storage element is less than the frictional force of convex portion and depression with stationary fit state and escape mated condition Portion is in stationary fit state with depression, and inner cap, elastic snap arm and torsion shaft rotation, torsion shaft rotation are driven when automatic rewinding axle rotates Elastic energy storage element is in energy storage state when turning；It is convex when the elastic force of elastic energy storage element is more than the frictional force of convex portion and depression Portion is in escape mated condition with depression, drives inner cap to rotate when automatic rewinding axle rotates, and elastic snap arm is substantially static in torsion In room, the convex portion of elastic snap arm jumps to adjacent from the depression currently coordinated during inner cap relative resilient snap arm rotates In next depression.

In further technical scheme, the middle part of the elastic snap arm has at least one elastic zigzag part；The convex portion Lateral surface be the face of cylinder, the depression is the arcwall face that the lateral surface of shape and projection matches；The outer end of the torsion shaft Portion offers cell body, and the first end of the elastic energy storage element is arranged in the first cell body of torsion shaft；The end cap is in Connecting portion is formed in the middle part of the side of lid, the outer end of connecting portion offers the second cell body, the first end of elastic energy storage element It is arranged in the second cell body of connecting portion, each pin of detaining is distributed in the circular annular region of connecting portion outer rim；The automatic rewinding axle Surface offer an at least groove room, length direction extension of the groove room along automatic rewinding axle, groove room is provided with true for being supported on Elastic supporting plate in the axocoel at empty package bag volume middle part, the bottom surface of elastic supporting plate is provided with spring, supported for outside elasticity Push up elastic supporting plate.

The utility model is compared to the prior art advantageously：The utility model is simple in construction, original in lower cover Heat-sealing bar or vacuumize is realized at groove and cuts bag, it is more convenient to cut bag, after bag body cut off, the vacuum packaging bag volume energy after uncapping Enough automatic rewinding bag bodies, the operating procedure of user is reduced, using more convenient.

Brief description of the drawings

The utility model is further illustrated with reference to the accompanying drawings and examples.

Fig. 1 is structural representation of the present utility model.

Fig. 2 is the structural representation after upper lid of the present utility model is opened.

Fig. 3 is internal structure schematic diagram of the present utility model.

Fig. 4 is the partial enlarged drawing at A in Fig. 3.

Fig. 5 is the structural representation for the belt for being provided with pushing part and cutter.

Fig. 6 is the structural representation of cutter of the present utility model.

Fig. 7 is the internal structure schematic diagram of cutter of the present utility model.

Fig. 8 is the structural representation of automatic rewinding axle of the present utility model.

Fig. 9 is the internal structure schematic diagram of automatic rewinding axle of the present utility model.

Figure 10 is the assembling schematic diagram of elastic unreeling mechanism of the present utility model.

In figure：

1st, upper lid 10, vacuum packaging bag volume 11, belt 110, powered belt body 111, driven belt body 12, pushing part 13rd, limit sliding chutes 14, driving column 15, chute 16, bag body receiving room

2nd, lower cover 20, heat-sealing bar 21, vacuumize groove 22, avoiding hollow groove 23, axis body installation chamber 24, locking chamber 25, Spring.

3rd, cutter 30, knife box 301, hook portion 302, enter bag ditch 31, blade 310, cutting edge.

4th, automatic rewinding axle 41, drive 42, single direction rotation limit lock 43, trip lever 44, latch hook 45, unblock Drive division.

5th, elastic supporting plate 50, end cap 501, connecting portion 502, button pin 51, elastic energy storage element 52, inner cap 53, Torsion transmitting element 54, depression 55, torsion shaft 56, elastic snap arm 57, convex portion 58, middle cover 59, clasp.

Embodiment

It is only preferred embodiment of the present utility model below, does not therefore limit the scope of protection of the utility model.

The vacuum sealer of automatic rewinding after bag is cut, shown in Fig. 1 to 10, including upper lid 1 and lower cover 2, the upper rotation of lid 1 installation In lower cover 2, upper lid 1, which slides, is provided with cutter 3, and the forward position on the top of lower cover 2 is provided with heat-sealing bar 20 and vacuumizes groove 21, the vacuum packaging bag that upper lid 1 or lower cover 2 are provided with for storing web-like rolls up 10 bag body receiving room 16, bag body receiving room 16 In be rotatably installed with the automatic rewinding axle 4 that can be dismantled, for go here and there be located at web-like vacuum packaging bag volume 10 middle part axocoel in, Automatic rewinding axle can take out, and flexible unreeling mechanism and elastic one-way retaining mechanism, bullet are installed in the end of automatic rewinding axle 4 Property unreeling mechanism be used to drive the backrush of automatic rewinding axle 4, elastic one-way retaining mechanism is used to lock automatic rewinding axle 4, prevents Backrush under the resilient force of elastic unreeling mechanism, and limit automatic rewinding axle 4 can only single direction rotation.The utility model structure Simply, the automatic rewinding bag body after bag body is cut off, the operating procedure of user is reduced, using more convenient.

Wherein, upper lid 1 is slidably fitted with an at least cutter 3, and cutter 3 is protruded in the bottom surface of lower cover 2, in Shang Gai 1 locking closure cutting knife after lower cover 2 moves back and forth in the side of heat-sealing bar 20 or vacuumized the side of groove 21, is pressed on for cutting off Bag body between lid 1 and lower cover 2.The cut-out and heat-sealing to bag body wherein one end are realized at the heat-sealing bar 20 of lower cover 2, will The inner end of sack or outer end are pulled out at heat-sealing bar 20, and lid 1 is that the inner end to bag body or outer end can be achieved in locking Heat-sealing, slide cutter 3 bag body can be cut come, formed only have one end open vacuum packaging sack, in lower cover 2 Heat-sealing bar 20 and vacuumize vacuumizing and sealing for the sack that one end has sealed, simple in construction, user realized at groove 21 Just.

The utility model changes operating procedure of the vacuum sealer in cut-out bag body and heat-sealing bag end completely, and becomes It is simpler convenient.It is used and operating procedure is as follows,

1) the vacuum packaging bag volume 10 of web-like, is fixed on automatic rewinding axle 4, then the two end portions by automatic rewinding axle 4 The axis body installation chamber 23 of vacuum sealer both sides is not installed on, vacuum packaging bag volume 10 is accommodated in the bag of vacuum sealer In body receiving room 16；

2), by vacuum packaging bag volume 10 pull out suitable lengths bag bodies, bag body across lid 2 top surface and be pulled out to vacuum The outside of sealing machine, and the position that bag body needs are cut off is vacuumized groove 21 1 for what is vacuumized positioned at installed in lower cover 2 Side, when pulling out bag body, automatic rewinding axle 4 follows rotation, will by the elastic unreeling mechanism installed in the end of automatic rewinding axle 4 Automatic rewinding axle 4 rotates the elastic energy storage element 51 that caused part torsion is delivered in elastic unreeling mechanism, returns elasticity Volume mechanism applies one to automatic rewinding axle 4 makes the active force of its counter-rotating, is limited by the single direction rotation installed in lower cover 2 The locking automatic rewinding of lock 42 axle 4 is unable to counter-rotating；

3) the bag body for, keeping pulling out is motionless and locks upper lid 1, compresses bag body by the upper lid 1 for locking onto lower cover 2, passes through Be fixed on lid 1 trip lever 43 compress installed in lower cover 2 single direction rotation limit lock 42, make single direction rotation limit lock 42 release locking to automatic rewinding axle 4, automatic rewinding axle 4 by elastic unreeling mechanism twisting force counter-rotating and tense bag Body, it is tensioned the bag body of the top surface of lower cover 2；

4) bag body, is cut off, opposite side will be slided into from side installed in the cutter 3 of upper lid 1, pass through cutter 3 Protrude the bag body of tensioning is cut off positioned at the cutting knife 31 for vacuumizing the side of groove 21 in the upper bottom surface of lid 1, automatic rewinding axle 4 is by elasticity Counter-rotating under the twisting force of unreeling mechanism, the bag body outside bag body receiving room 16 after cut-out is wrapped back into a bag body automatically On vacuum packaging bag volume 10 in receiving room 16；

5) bag body, is sealed, is used to after vacuumizing being sealed positioned at vacuumizing groove 21 side by installing lower cover 2 Heat-sealing bar 20 seals to the end of bag body, and this step is set as performing automatically after upper lid 1 is locked or being set as making User performs after touching corresponding control button；

6), lid 1 in opening, the trip lever 43 of upper lid 1 leave single direction rotation with the rotation of upper lid 1 and limit lock 42, Elastic one-way retaining mechanism resets and locks automatic rewinding axle 4；

7) the bag body for cutting and, is taken out, completes the end heat-sealing of bag body.

The present invention is that the one end for the bag body for pulling out vacuum packaging bag volume 10 cuts off and sealed, and it is to utilize vacuum seal Machine it is existing heat-sealing bar 20 carry out, after uncapping vacuum packaging bag volume can automatic rewinding bag body, reduce the operation of user Step, operation are simpler, convenient and quick.

After loading food and other items in vacuum packaging bag, vacuum packaging bag is vacuumized and sealed, will be true The opening of empty package bag is inserted into the vacuumizing at groove 21 of vacuum sealer, then locks lid 1, vacuum pump startup, true by taking out The opening of dead slot 21 and vacuum packaging bag vacuumizes to vacuum packaging bag, is then sealed by sealing the opening of bar 20, Completion is vacuumized and sealed.

Automatic rewinding axle 4 follows rotation when pulling out bag body, and torsion is delivered into elastic back winder when automatic rewinding axle 4 rotates Structure, elastic unreeling mechanism is set to possess certain elastic force,

Specifically, the rearward end rotation of upper lid 1 is installed on the rearward end of lower cover 2, the top surface of the leading section of lower cover 2 is provided with Heat-sealing bar 20 and vacuumize groove 21, heat-sealing bar 20 and vacuumize the spaced and parallel setting of groove 21 and extend along the length direction of lower cover 2, The top surface of the rearward end of lower cover 2 sets marsupial body receiving room 16, and the left and right ends portion of bag body receiving room 16 is respectively arranged with axis body Chamber 23 is installed, activity is embedded in the axis bodies installation chambers 23 of left and right two respectively for the left and right ends portion of automatic rewinding axle 4, to Automatic rewinding axle 4 can rotate during outer pull-out bag body.

Elastic one-way retaining mechanism includes drive 41, single direction rotation limits lock 42 and is limited for changing single direction rotation The trip lever 43 of the state of lock 42, drive 41 are fixed on the first end of automatic rewinding axle 4, and single direction rotation limits lock 42 Lower cover 2 is movably installed in, single direction rotation limits 42 elasticity of lock and presses on drive 41, can only for limiting automatic rewinding axle 4 Single direction rotation simultaneously unreels output body；Trip lever 43 is fixed on lid 1, and in the upper locking closure of lid 1, trip lever 43 touches list after lower cover 2 Lock 42 is limited to rotation, releases the locking that single direction rotation limits 42 pairs of drives 41 of lock, drive 41 is in free shape State, the counter-rotating under the resilient force of elastic unreeling mechanism of automatic rewinding axle 4, i.e. backrush, the bag pulled out is wound back Go.

Lower cover 2 offers locking chamber 24, and the top of locking chamber 24 connects the first end for storing automatic rewinding axle 4 Axis body installs the top of chamber 23；Single direction rotation limits the rotation of lock 42 and is installed on locking chamber 24, and single direction rotation limits lock 42 Leading section extend into through the top of locking chamber 24 in adjacent axis body installation chamber 23；Spring 25 is installed in locking chamber 24, Spring 25 connects single direction rotation and limits lock 42, applies an elastic force for limiting lock 42 to single direction rotation, makes single direction rotation Limit 42 elasticity of lock and press on drive 41.

The wheel body or wheel face of drive 41 along the circumferential direction form some briar tooths, and briar tooth can select ratchet, helical teeth, card Tooth, card column, hole clipping or card cave；The first side that single direction rotation limits lock 42 is molded a latch hook 44, the second side forms a unblock Drive division 45, unlock and driver slot position is formed on drive division 45, the middle part that single direction rotation limits lock 42 is articulated in lower cover 2, locks The top of hook 44 through locking chamber 24 is extend into adjacent axis body installation chamber 23, and the elasticity of latch hook 44 presses on the hook of drive 41 Tooth, the lower end of spring 25 is installed on the bottom of locking chamber 24, upper end is connected to unblock drive division 45, for unlocking drive division 45 apply a upward elastic acting force；In the upper locking closure of lid 1, trip lever 43 is inserted in driver slot position after lower cover 2, for driving Latch hook 44 is moved upward and out briar tooth, release the locking that single direction rotation limits 42 pairs of drives 41 of lock.

Elastic unreeling mechanism includes end cap 50, elastic energy storage element 51 and interior cap assemblies, the second end of automatic rewinding axle 4 Portion offers embedded room, and interior cap assemblies are fixed in embedded room；The rotation of end cap 50 is installed on interior cap assemblies, and end cap 50 is protruded certainly The second end of dynamic backrush axle 4, and the active card of end cap 50 is embedded in the axis body installation for the second end for being used to store automatic rewinding axle 4 In chamber 23, cap assemblies, the second end connection end cap 50 in the first end connection of elastic energy storage element 51.

Interior cap assemblies include inner cap 52 and torsion transmitting element 53, and the side of inner cap 52 offers torsion room, torsion transmission The rotation of element 53 is installed in torsion room, and the internal face of torsion room is along the circumferential direction molded some depressions 54, and the middle part of inner cap 52 is opened If axis hole；The side of torsion transmitting element 53 towards end cap 50 is protruding with a torsion shaft 55, and the rotation of torsion shaft 55 is installed on inner cap 52 axis hole, the outer end of torsion shaft 55 through axis hole and connect the first end of elastic energy storage element 51；Torsion transmitting element 53 At least two flexible elastic snap arm 56 are extended in a radial direction out, the middle part of elastic snap arm 56 has at least one elasticity Zigzag part；The outer end of elastic snap arm 56 forms convex portion 57, and the elasticity of convex portion 57 is resisted against the depression 54 of the internal face of torsion room In；Convex portion 57 and depression 54 have stationary fit state and an escape mated condition, and the lateral surface of convex portion 57 is the face of cylinder, depression 54 The arcwall face to match for the lateral surface of shape and projection；The outer end of torsion shaft 55 offers cell body, elastic energy storage element 51 First end be arranged in the first cell body of torsion shaft 55；End cap 50 is towards forming connecting portion in the middle part of the side of middle cover 58 501, each pin 502 of detaining is distributed in the circular annular region of the outer rim of connecting portion 501；The outer end of connecting portion 501 offers the second groove Body, the first end of elastic energy storage element 51 are arranged in the second cell body of connecting portion 501；

When the elastic force of elastic energy storage element 51 is less than the frictional force of convex portion 57 and depression 54 convex portion 57 with depression 54 In stationary fit state, inner cap 52, elastic snap arm 56 and torsion shaft 55 is driven to rotate when automatic rewinding axle 4 rotates, torsion shaft 55 is revolved Elastic energy storage element 51 is in energy storage state when turning；

When the elastic force of elastic energy storage element 51 is more than the frictional force of convex portion 57 and depression 54 convex portion 57 with depression 54 In escape mated condition, inner cap 52 is driven to rotate when automatic rewinding axle 4 rotates, elastic snap arm 56 is substantially static in torsion room, The convex portion 57 of elastic snap arm 56 jumps to from the depression 54 currently coordinated during the relative resilient snap arm 56 of inner cap 52 rotates In adjacent next depression 54.

Interior cap assemblies include middle cover 58, and inner cap 52, the inner end rotation installation of end cap 50 are fixed in the first side of middle cover 58 In middle cover 58, the middle part of middle cover 58 offers energy storage chamber, and elastic energy storage element 51 is located in energy storage chamber, elastic energy storage element 51 From one kind in elastic wire, torsion spring, clockwork spring or shell fragment.

The middle part of middle cover 58 opens up through hole, and through hole is less than energy storage chamber, and a button is formed in through hole and energy storage chamber abutted surface Ring 59, the side of end cap 50 towards middle cover 58 form some button pin 502, and each pin 502 of detaining is each passed through through hole and active buckle In clasp 59, and the lateral surface of each button pin 502 is the arc surface for having same radius, and each lateral surface for detaining pin 502 revolves with through hole Turn to coordinate.

The surface of automatic rewinding axle 4 offers an at least groove room, length direction extension of the groove room along automatic rewinding axle 4, groove Room is provided with the elastic supporting plate 5 for being supported in the axocoel at the middle part of vacuum packaging bag volume 10, the bottom surface of elastic supporting plate 5 Spring 25 is installed, elastic supporting plate 5 is supported for outside elasticity, is adapted to the axocoel vacuum packaging bag with different inner diameters Volume 10.

The rearward end rotation of upper lid 1 is installed on the rearward end of lower cover 2, and the top surface of the leading section of lower cover 2 is provided with heat-sealing bar 20 and vacuumize groove 21, heat-sealing bar 20 and vacuumize the spaced and parallel setting of groove 21 and extend along the length direction of lower cover 2, cutting knife dress Put 3 middle and upper part be slidably mounted on lid 1 leading section inside, the bottom of cutter 3 is protruded in the leading section of lower cover 2 Bottom surface, cutter 3 are fixed with cutting knife, and in the upper locking closure of lid 1, cutting knife moves back and forth in heat-sealing bar 20 and vacuumizes groove after lower cover 2 Position between 21.

The inside of the leading section of upper lid 1 is provided with a belt 11, and the top surface or front end face of the leading section of upper lid 1 are slidably installed There is at least one pushing part 12 for being used to drive belt 11 to move back and forth, pushing part 12 can be arranged to plectrum, button or push rod, push away The inner end in dynamic portion 12 is fixed on belt 11, and cutter 3 is fixed on belt 11, and cutting knife dress is driven when belt 11 moves back and forth Putting 3 follows belt 11 to move back and forth, and the front end face of the upper lid 1 offers chute 15, and the pushing part 12 is slidably mounted on cunning In groove 15.Drag or promote back and forth pushing part 12, you can dragging belt 11 moves back and forth, and cutter 3 is driven by belt 11 Move back and forth.

The bottom surface of upper lid 1 offers a limit sliding chutes 13, and limit sliding chutes 13 are parallel to heat-sealing bar 20 or vacuumize groove 21, on The inside of lid 1 is provided with some driving columns 14, and belt 11 is annular band body, and belt 11 tensions into " mouth " word by driving column 14 Shape, band body of the belt 11 adjacent to the outer face of upper lid 1 form powered belt body 110, the band body of outer face of the belt 11 away from upper lid 1 Driven belt body 111 is formed, powered belt body 110 is fixed in pushing part 12, and cutter 3 is fixed on driven belt body 111, driven belt body 111 and cutter 3 slidably reciprocate in limit sliding chutes 13, the moving direction of powered belt body 110 and driven belt body 111 on the contrary, For example, when dragging to the left or promoting pushing part 12, powered belt body 110 is moved to the left, and driven belt body 111 then drives cutter 3 move right.

Cutter 3 includes knife box 30 and two blades 31, and the side of two blades 31 has a cutting edge 310, knife respectively Piece 31 can select the single-unit cutter hub for fractureing out by its folding line by the blade of carving knife of prior art, be not required to particularly customized and production Blade 31, cost is lower.Two blades 31 are separately fixed at the left and right sides of knife box 30, and the cutting edge 310 of two blades 31 divides Not towards outside, and the cutting edge 310 of two blades 31 is inclined.Cutting knife moves cut-off bag body to any one side.Knife The bottom of box 30 forms a hook portion 301, and the middle part of hook portion 301 is linked to knife box 30, in the left and right sides of the top of hook portion 301 One is formed respectively and enters bag ditch 302, and the cutting edge 310 of two blades 31 protrudes in bag ditch 302 is entered respectively.Cutting edge 310 is located at into bag The inner end of ditch 302, an acute angle, i.e. blade are formed between inclined cutting edge 310 and the bottom surface for entering bag ditch 302 31 and cutting edge 310 be hidden in bag ditch 302, prevent blade 31 cutting edge 310 scratch human hand.

Lower cover 2 offers an avoiding hollow groove 22, and in the upper locking closure of lid 1, hook portion 301 is inserted in avoiding hollow groove 22 and come after lower cover 2 Return and slide in avoiding hollow groove 22, avoiding hollow groove 22 is positioned at heat-sealing bar 20 and vacuumizes between groove 21.Be pressed on lid 1 and lower cover 2 it Between bag body be located in the height direction in the opening of bag ditch 302.When cutter 3 moves to bag body, the edge of bag body Automatically it is slideably inserted into bag ditch 302, by entering the Bag body of bag ditch 302 and powerful support bag body edge, avoids bag body from running Position, a bag body can be swimmingly cut off when cutting knife moves, cut-out bag body is more laborsaving, and the cutoff action of bag body is more stable.

Above content is only preferred embodiment of the present utility model, for one of ordinary skill in the art, according to this reality With new thought, there will be changes, this specification content should not be construed as in specific embodiments and applications To limitation of the present utility model.

Claims (10)

1. the vacuum sealer of automatic rewinding after bag is cut, including upper lid (1), lower cover (2) and cutter (3), upper lid (1) rotation Lower cover (2) is installed on, upper lid (1) is slidably fitted with an at least cutter (3), and the forward position on lower cover (2) top is provided with Heat-sealing bar and vacuumizes groove (21) at (20), and upper lid (1) or lower cover (2) are provided with the vacuum packaging bag volume (10) for storing web-like Bag body receiving room (16), it is characterised in that：The automatic rewinding axle that can be dismantled is rotatably installed with bag body receiving room (16) (4), it is located at for going here and there in the axocoel in the middle part of the vacuum packaging bag volume (10) of web-like, the end of automatic rewinding axle (4) is provided with use Locked in the elastic unreeling mechanism for driving automatic rewinding axle (4) backrush and the elastic one-way for locking automatic rewinding axle (4) Mechanism；Cutter (3) is protruded in the bottom surface of lower cover (2), and in Shang Gai (1) locking closures, in lower cover (2), cutting knife moves back and forth in heat afterwards The side of strip of paper used for sealing (20) or the side for vacuumizing groove (21), for cutting off the bag body being pressed between upper lid (1) and lower cover (2).

2. the vacuum sealer according to claim 1 for cutting automatic rewinding after bag, it is characterised in that：The upper lid (1) Rearward end rotates the rearward end for being installed on the lower cover (2), and the top surface of the leading section of lower cover (2) is provided with the heat-sealing bar (20) Groove (21) is vacuumized with described, heat-sealing bar (20) and vacuumizes that groove (21) is spaced and parallel to be set and along the length direction of lower cover (2) Extension, the top surface of the rearward end of lower cover (2) are provided with the bag body receiving room (16), the left and right ends portion of bag body receiving room (16) Axis body installation chamber (23) is respectively arranged with, activity is embedded in two axles in left and right respectively in the left and right ends portion of automatic rewinding axle (4) In body installation chamber (23)；The middle and upper part of the cutter (3) is slidably mounted on the inside of the leading section of lid (1), cutting knife The bottom of device (3) is protruded is fixed with cutting knife in the bottom surface of the leading section of lower cover (2), cutter (3), in Shang Gai (1) locking closure In lower cover (2), cutting knife moves back and forth in heat-sealing bar (20) and vacuumizes the position between groove (21) afterwards.

3. the vacuum sealer according to claim 2 for cutting automatic rewinding after bag, it is characterised in that：The elastic one-way lock Tight mechanism includes drive (41), single direction rotation limits lock (42) and the state of lock (42) is limited for changing single direction rotation Trip lever (43), drive (41) is fixed on the first end of the automatic rewinding axle (4), and single direction rotation limits lock (42) Be movably installed in the lower cover (2), single direction rotation limits lock (42) elasticity and presses on drive (41), for limit it is described from Dynamic backrush axle (4) single direction rotation and can only unreel output body；Trip lever (43) is fixed on the upper lid (1), and (1) is covered on described In the lower cover (2), trip lever (43) touches single direction rotation restriction lock (42) to locking closure afterwards, releases single direction rotation and limits lock (42) to the locking of drive (41).

4. the vacuum sealer according to claim 3 for cutting automatic rewinding after bag, it is characterised in that：The upper lid (1) The inside of leading section is provided with a belt (11), and the top surface or front end face of the leading section of upper lid (1) are slidably fitted with least one use In the pushing part (12) for driving belt (11) to move back and forth, the inner end of pushing part (12) is fixed on belt (11), the cutting knife Device (3) is fixed on belt (11), drives cutter (3) to follow belt (11) to move back when belt (11) moves back and forth It is dynamic.

5. the vacuum sealer according to claim 4 for cutting automatic rewinding after bag, it is characterised in that：The upper lid (1) Bottom surface offers a limit sliding chutes (13), and limit sliding chutes (13) are parallel to heat-sealing bar (20) or vacuumize groove (21), upper lid (1) Inside is provided with some driving columns (14), and the belt (11) is annular band body, and belt (11) passes through driving column (14) and is tensioned Into " mouth " font, the band body of the outer face of the neighbouring upper lid (1) of belt (11) forms powered belt body (110), and belt (11) is away from upper The band body for covering the outer face of (1) forms driven belt body (111), and the pushing part (12) is fixed on powered belt body (110), described to cut Knife system (3) is fixed on driven belt body (111), and driven belt body (111) and cutter (3) slidably reciprocate in limit sliding chutes (13) In；

The cutter (3) includes knife box (30) and two blades (31), and the side of two blades (31) has a sword respectively Mouth (310), two blades (31) are separately fixed at the left and right sides of knife box (30), and the cutting edge (310) of two blades (31) point Not towards outside, and the cutting edge (310) of two blades (31) is inclined.

6. the vacuum sealer according to claim 5 for cutting automatic rewinding after bag, it is characterised in that：The knife box (30) Bottom forms a hook portion (301), the knife box (30) is linked in the middle part of hook portion (301), on a left side for the top of hook portion (301) Right both sides form one and enter a bag ditch (302) respectively, and the cutting edge (310) of two blades (31) protrudes respectively is entering a bag ditch (302) in；

The lower cover (2) offers an avoiding hollow groove (22), and (1) locking closure hook portion after the lower cover (2) is covered on described (301) it is inserted in avoiding hollow groove (22) and slidably reciprocates in avoiding hollow groove (22), is pressed between lid (1) and lower cover (2) Bag body enters described in the opening of bag ditch (302) in the height direction；

The cutting edge (310) is located at the inner end into a bag ditch (302), and inclined cutting edge (310) is with entering a bag ditch (302) An acute angle is formed between bottom surface.

7. the vacuum sealer for cutting automatic rewinding after bag according to one of claim 3 to 6, it is characterised in that：Under described Lid (2) offers locking chamber (24), and the top of locking chamber (24) connects the first end for storing the automatic rewinding axle (4) Axis body installation chamber (23) top；The single direction rotation limits lock (42) rotation and is installed on locking chamber (24), unidirectional rotation The leading section for turning to limit lock (42) is extend into adjacent axis body installation chamber (23) through the top of locking chamber (24)；Locking chamber (24) spring (25) is installed, spring (25) connection single direction rotation limits lock (42), latched for limiting single direction rotation in (42) elastic force for making its elasticity press on drive (41) is applied.

8. the vacuum sealer according to claim 7 for cutting automatic rewinding after bag, it is characterised in that：The drive (41) Wheel body or wheel face along the circumferential direction form some briar tooths；

The first side that the single direction rotation limits lock (42) is molded a latch hook (44), the second side forms a unblock drive division (45), unlock on drive division (45) and form driver slot position,

Single direction rotation limits and the lower cover (2) is articulated in the middle part of lock (42), and latch hook (44) passes through the top of locking chamber (24) It extend into adjacent axis body installation chamber (23), latch hook (44) elasticity presses on the briar tooth of drive (41),

The lower end of the spring (25) is installed on the bottom of locking chamber (24), upper end be connected to unblock drive division (45), for pair Unlock drive division (45) and apply a upward elastic acting force；

(1) locking closure is covered on described, and in the lower cover (2), trip lever (43) is inserted in driver slot position afterwards, for driving latch hook (44) briar tooth is moved upward and out, single direction rotation is released and limits locking of the lock (42) to drive (41).

9. the vacuum sealer according to claim 8 for cutting automatic rewinding after bag, it is characterised in that：The elastic back winder Structure includes end cap (50), elastic energy storage element (51) and interior cap assemblies, and the second end of the automatic rewinding axle (4) offers embedding Enter the room, interior cap assemblies are fixed in embedded room；End cap (50) rotation is installed on interior cap assemblies, and end cap (50) is protruded in automatic rewinding The second end of axle (4), and end cap (50) active card is embedded in the axis body for the second end for being used to store the automatic rewinding axle (4) Install in chamber (23), cap assemblies, the second end connection end cap (50) in the first end connection of elastic energy storage element (51)；

The interior cap assemblies include inner cap (52), middle cover (58) and torsion transmitting element (53), and the side of inner cap (52) offers Torsion room, torsion transmitting element (53) rotation are installed in torsion room, and the internal face of torsion room is along the circumferential direction molded some recessed Cave (54), inner cap (52) middle part open up axis hole；The side of torsion transmitting element (53) towards the end cap (50) is protruding with a torsion Power axle (55), torsion shaft (55) rotate the axis hole for being installed on inner cap (52), and the outer end of torsion shaft (55) through axis hole and connects The first end of the elastic energy storage element (51)；It is flexible that torsion transmitting element (53) extends in a radial direction out at least two Elastic snap arm (56), the outer end of elastic snap arm (56) forms convex portion (57), and convex portion (57) elasticity is resisted against torsion room In the depression (54) of internal face；Inner cap (52) is fixed in first side of middle cover (58), and the inner end rotation of end cap (50) is installed on Middle cover (58), middle cover (58) middle part offer energy storage chamber, and the elastic energy storage element (51) is located in energy storage chamber, elasticity storage One kind that energy element (51) is selected in elastic wire, torsion spring, clockwork spring or shell fragment；

Through hole is opened up in the middle part of the middle cover (58), through hole is less than the energy storage chamber, in through hole and energy storage chamber abutted surface shape Into a clasp (59), the side of end cap (50) towards middle cover (58) forms some button pin (502), respectively detains pin (502) and wears respectively Cross through hole and active buckle is in clasp (59), and the lateral surface for respectively detaining pin (502) is the arc surface for having same radius, respectively detains pin (502) lateral surface and through hole rotatable engagement；

Convex portion (57) has stationary fit state and escape mated condition with depression (54),

Convex portion (57) and depression when the elastic force of elastic energy storage element (51) is less than convex portion (57) and the frictional force of depression (54) (54) stationary fit state is in, inner cap (52), elastic snap arm (56) and torsion shaft (55) rotation are driven when automatic rewinding axle (4) rotates Turn, elastic energy storage element (51) is in energy storage state when torsion shaft (55) rotates；

Convex portion (57) and depression when the elastic force of elastic energy storage element (51) is more than convex portion (57) and the frictional force of depression (54) (54) escape mated condition is in, drives inner cap (52) to rotate when automatic rewinding axle (4) rotates, elastic snap arm (56) is substantially static In torsion room, the convex portion (57) of elastic snap arm (56) is from current during inner cap (52) relative resilient snap arm (56) rotates The depression (54) of cooperation is jumped in adjacent next depression (54).

10. according to the vacuum sealer for cutting automatic rewinding after bag described in claim 9, it is characterised in that：The elastic snap arm (56) middle part has at least one elastic zigzag part；The lateral surface of the convex portion (57) is the face of cylinder, and the depression (54) is The arcwall face that the lateral surface of shape and projection matches；The outer end of the torsion shaft (55) offers cell body, the elasticity storage The first end of energy element (51) is arranged in the first cell body of torsion shaft (55)；Side of the end cap (50) towards middle cover (58) Middle part form connecting portion (501), the outer end of connecting portion (501) offers the second cell body, elastic energy storage element (51) First end is arranged in the second cell body of connecting portion (501), respectively detains the annular that pin (502) is distributed in connecting portion (501) outer rim In region；The surface of the automatic rewinding axle (4) offers an at least groove room, length direction of the groove room along automatic rewinding axle (4) Extension, groove room are provided with the elastic supporting plate (5) for being supported in the axocoel in the middle part of vacuum packaging bag volume (10), resilient support The bottom surface of plate (5) is provided with spring (25), and elastic supporting plate (5) is supported for outside elasticity.