CN107235193B - Vacuum sealing machine and bag cutting and sealing method - Google Patents
Vacuum sealing machine and bag cutting and sealing method Download PDFInfo
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- CN107235193B CN107235193B CN201710474003.2A CN201710474003A CN107235193B CN 107235193 B CN107235193 B CN 107235193B CN 201710474003 A CN201710474003 A CN 201710474003A CN 107235193 B CN107235193 B CN 107235193B
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- cover
- elastic
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- upper cover
- lower cover
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
- B65B61/04—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages
- B65B61/06—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
- B65B31/04—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied
- B65B31/06—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied the nozzle being arranged for insertion into, and withdrawal from, the mouth of a filled container and operating in conjunction with means for sealing the container mouth
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B41/00—Supplying or feeding container-forming sheets or wrapping material
- B65B41/12—Feeding webs from rolls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/10—Applying or generating heat or pressure or combinations thereof
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a vacuum sealing machine and a bag cutting and sealing method, wherein the vacuum sealing machine is provided with an upper cover, at least one cutter device is arranged on the upper cover in a sliding way, a heat seal and a vacuum pumping groove are arranged at the front side of the upper part of a lower cover, a bag body accommodating chamber is arranged on the upper cover or the lower cover, an automatic rewinding shaft which can be detached is rotatably arranged in the bag body accommodating chamber, and an elastic rewinding mechanism for driving the automatic rewinding shaft to rewind and an elastic unidirectional locking mechanism for locking the automatic rewinding shaft are arranged at the end part of the automatic rewinding shaft; the cutter device protrudes out of the bottom surface of the lower cover, and after the upper cover is locked and covered on the lower cover, the cutter moves back and forth on one side of the heat sealing strip or one side of the vacuumizing groove and is used for cutting off the bag body pressed between the upper cover and the lower cover. The invention has simple structure, realizes bag cutting at the original heat seal or vacuumizing groove of the lower cover, is more convenient to cut bags, can automatically rewind the bag after the bag body is cut off and the vacuum package bag roll is opened, reduces the operation steps of users, and is simpler, more convenient and quicker to operate.
Description
Technical Field
The invention relates to the technical field of household vacuum sealing machines, in particular to a vacuum sealing machine and a bag cutting and sealing method of the vacuum sealing machine.
Background
The household vacuum sealing machine is provided with an upper cover and a lower cover, wherein the lower cover is provided with a vacuum groove, a bag opening of a vacuum packaging bag and the like is inserted into the vacuum groove when vacuumizing, a vacuum pump communicated with the vacuum groove is started, the vacuum packaging bag and the like is vacuumized through the vacuum groove, and finally the bag opening is heat-sealed through a heat seal of the lower cover, so that sealing action is completed.
For vacuum packaging by using a package vacuum packaging bag, in order to facilitate a user to cut off the bag, a cutter box and a sliding cutter are generally arranged on the top surface of an upper cover of a vacuum sealing machine, and the Chinese patent number is 201020127855.8, the Chinese patent number is 201120209473.4, and the vacuum packaging bag used by the vacuum sealing machine is a bag body with two closed sides in a roll shape. The upper cover and the lower cover are both provided with heat seals, so that the structure is complex and the cost is high.
The bag body of the coiled vacuum packaging bag is cut off by the sliding cutter, then the cut bag body is transferred to the vacuum groove, one end of the cut bag body is sealed by heat sealing, so that a bag capable of containing food is formed, and after the food is contained, the other end of the cut bag body is inserted into the vacuum groove for vacuumizing and heat sealing, so that the bag is troublesome to use.
To the vacuum packaging machine of placing the vacuum packaging bag of roll form in the inside accomodate cavity, it is more troublesome when using, need earlier take out longer length with the sack of placing in the accomodate cavity in the vacuum capper when cutting off the bag body, the length of the sack that pulls out must be greater than the length of the sack that cuts off, just can pull the sack to the cutter department and cut off, then still need manual the back-winding of remaining sack, make its shrink get back to the sack accomodate cavity in, transfer the one end of the bag body to vacuum tank department again, carry out the heat seal to one of them tip earlier, it is more inconvenient in the use, consequently, it is necessary to improve.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a vacuum sealing machine which automatically rolls back the bag body after cutting off the bag body, reduces the operation steps of a user and is more convenient to use.
Aiming at the defects existing in the prior art, the invention aims to provide a bag cutting and sealing method of a vacuum sealing machine, which reduces the operation steps of users and is simpler, more convenient and faster to operate.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the bag cutting and sealing method of the vacuum sealing machine comprises the following steps,
1) Fixing the coiled vacuum packaging bag on an automatic rewinding shaft, and respectively installing two ends of the automatic rewinding shaft in shaft body installation cavities at two sides of a vacuum sealing machine to enable the vacuum packaging bag to be contained in a bag body containing chamber of the vacuum sealing machine;
2) Pulling out a bag body with proper length from the vacuum packaging bag, wherein the bag body stretches across the top surface of the cover and is pulled out of the vacuum sealing machine, the position of the bag body to be cut off is positioned on one side of a vacuumizing groove arranged on the lower cover and used for vacuumizing, when the bag body is pulled out, the automatic rewinding shaft rotates along with the bag body, part of torsion generated when the automatic rewinding shaft rotates is transmitted to an elastic energy storage element in the elastic rewinding mechanism through an elastic rewinding mechanism arranged at the end part of the automatic rewinding shaft, so that the elastic rewinding mechanism applies an acting force for enabling the automatic rewinding shaft to reversely rotate, and the automatic rewinding shaft cannot reversely rotate through the unidirectional rotation limiting lock catch arranged on the lower cover;
3) The pulled bag body is kept motionless and locked to the upper cover, the bag body is tightly pressed by the upper cover which is locked to the lower cover, the unidirectional rotation limiting lock catch which is arranged on the lower cover in a propping way is pressed by the unlocking rod which is fixed on the upper cover, so that the unidirectional rotation limiting lock catch releases the locking of the automatic rewinding shaft, and the automatic rewinding shaft reversely rotates and tightens the bag body under the torsion action of the elastic rewinding mechanism, so that the bag body on the top surface of the lower cover 2 is tensioned;
4) Cutting off the bag body, sliding the cutter device arranged on the upper cover from one side to the other side, cutting off the tensioned bag body by the cutter device protruding out of the bottom surface of the upper cover and positioned at one side of the vacuumizing groove, reversely rotating the automatic rewinding shaft under the torsion action of the elastic rewinding mechanism, and automatically rewinding the cut bag body positioned outside the bag body accommodating chamber onto the vacuum packaging bag roll in the bag body accommodating chamber;
5) The bag body is heat-sealed, the end part of the bag body is heat-sealed through a heat sealing strip which is arranged on one side of the vacuumizing groove and is used for carrying out heat sealing after vacuumizing, and the step is set to be automatically executed after the upper cover is locked or set to be executed after a user touches a corresponding control key;
6) Opening the upper cover, wherein the unlocking rod of the upper cover leaves the unidirectional rotation limiting lock catch along with the rotation of the upper cover, and the elastic unidirectional locking mechanism resets and locks the automatic rewinding shaft;
7) And taking out the cut bag body to finish the end heat sealing of the bag body.
The vacuum sealing machine comprises an upper cover, a lower cover and a cutter device, wherein the upper cover is rotatably arranged on the lower cover, the upper cover is slidably provided with at least one cutter device, a heat seal and a vacuum pumping groove are arranged at the front side position of the upper part of the lower cover, and the upper cover or the lower cover is provided with a bag body accommodating chamber for accommodating a coiled vacuum package bag roll, and is characterized in that: the automatic rewinding shaft is rotatably arranged in the bag body accommodating chamber and is used for being connected in a shaft cavity in the middle of the coiled vacuum package bag roll, and an elastic rewinding mechanism for driving the automatic rewinding shaft to rewind and an elastic unidirectional locking mechanism for locking the automatic rewinding shaft are arranged at the end part of the automatic rewinding shaft; the cutter device protrudes out of the bottom surface of the lower cover, and after the upper cover is locked and covered on the lower cover, the cutter moves back and forth on one side of the heat sealing strip or one side of the vacuumizing groove and is used for cutting off the bag body pressed between the upper cover and the lower cover.
The vacuum sealing machine comprises an upper cover, a lower cover and a cutter device, wherein the upper cover is rotatably arranged on the lower cover, the upper cover is slidably provided with at least one cutter device, a heat seal and a vacuum pumping groove are arranged at the front side position of the upper part of the lower cover, the upper cover or the lower cover is provided with a bag body accommodating chamber for accommodating a coiled vacuum package bag roll, an automatic rewinding shaft which can be detached is rotatably arranged in the bag body accommodating chamber and is used for being connected in a shaft cavity in the middle of the coiled vacuum package bag roll in series, and the end part of the automatic rewinding shaft is provided with an elastic rewinding mechanism for driving the automatic rewinding shaft to rewind and an elastic unidirectional locking mechanism for locking the automatic rewinding shaft; the cutter device protrudes out of the bottom surface of the lower cover, and after the upper cover is locked and covered on the lower cover, the cutter moves back and forth on one side of the heat sealing strip or one side of the vacuumizing groove and is used for cutting off the bag body pressed between the upper cover and the lower cover.
In a further technical scheme, the rear end part of the upper cover is rotatably arranged at the rear end part of the lower cover, the top surface of the front end part of the lower cover is provided with the heat seal and the vacuumizing groove, the heat seal and the vacuumizing groove are arranged in parallel at intervals and extend along the length direction of the lower cover, the top surface of the rear end part of the lower cover is provided with the bag body accommodating chamber, the left end and the right end of the bag body accommodating chamber are respectively provided with shaft body mounting chambers, and the left end and the right end of the automatic rewinding shaft are respectively movably arranged in the left shaft body mounting chamber and the right shaft body mounting chamber; the middle upper part of the cutter device is slidably arranged in the front end part of the upper cover, the lower part of the cutter device protrudes out of the bottom surface of the front end part of the lower cover, the cutter device is fixedly provided with a cutter, and the cutter moves back and forth between the heat sealing strip and the vacuumizing groove after the upper cover is locked and covered on the lower cover.
In a further technical scheme, the elastic unidirectional locking mechanism comprises a driving wheel, a unidirectional rotation limiting lock catch and an unlocking rod for changing the state of the unidirectional rotation limiting lock catch, wherein the driving wheel is fixed at the first end part of the automatic rewinding shaft, the unidirectional rotation limiting lock catch is movably arranged on the lower cover, and the unidirectional rotation limiting lock catch is elastically pressed against the driving wheel and used for limiting the automatic rewinding shaft to only rotate unidirectionally and unwind a bag body; the unlocking rod is fixed on the upper cover, and after the upper cover is locked on the lower cover, the unlocking rod triggers the unidirectional rotation limiting lock catch to unlock the driving wheel of the unidirectional rotation limiting lock catch;
In a further technical scheme, the belt is arranged in the front end part of the upper cover, at least one pushing part for driving the belt to move back and forth is slidably arranged on the top surface or the front end surface of the front end part of the upper cover, the inner end part of the pushing part is fixed on the belt, and the cutter device is fixed on the belt and drives the cutter device to move back and forth along with the belt when the belt moves back and forth.
In a further technical scheme, a limiting chute is formed in the bottom surface of the upper cover, the limiting chute is parallel to the heat sealing strip or the vacuumizing groove, a plurality of transmission columns are arranged in the upper cover, the belt is an annular belt body, the belt is tensioned into a shape of a 'mouth' through the transmission columns, the belt body adjacent to the outer end surface of the upper cover forms a power belt body, the belt body far away from the outer end surface of the upper cover forms a driven belt body, the pushing part is fixed on the power belt body, and the cutter device is fixed on the driven belt body, and the driven belt body and the cutter device slide back and forth in the limiting chute; the cutter device comprises a cutter box and two blades, one sides of the two blades are respectively provided with a cutting edge, the two blades are respectively fixed on the left side and the right side of the cutter box, the cutting edges of the two blades face to the outer side respectively, and the cutting edges of the two blades are in an inclined state.
In a further technical scheme, a hook part is formed at the lower part of the knife box, the middle part of the hook part is connected with the knife box, a bag entering groove is respectively formed at the left side and the right side above the hook part, and the cutting edges of the two blades are respectively protruded in the bag entering groove; the lower cover is provided with a clearance groove, the hook part is inserted into the clearance groove after the upper cover is locked and covered on the lower cover and slides back and forth in the clearance groove, and the bag body pressed between the upper cover and the lower cover is positioned in the opening of the bag entering groove in the height direction; the cutting edge is positioned at the inner end part of the bag entering groove, and an acute included angle is formed between the cutting edge in an inclined state and the bottom surface of the bag entering groove.
In a further technical scheme, the lower cover is provided with a lock catch chamber, and the upper part of the lock catch chamber is communicated with the upper part of a shaft body installation chamber for accommodating the first end part of the automatic rewinding shaft; the unidirectional rotation limiting lock catch is rotatably arranged in the lock catch chamber, and the front end part of the unidirectional rotation limiting lock catch penetrates through the upper part of the lock catch chamber and stretches into the adjacent shaft body installation chamber; the lock catch chamber is internally provided with a spring which is connected with the unidirectional rotation limiting lock catch and is used for applying an elastic force for elastically pressing the unidirectional rotation limiting lock catch against the driving wheel.
In a further technical scheme, a plurality of hook teeth are formed on the wheel body or the wheel surface of the driving wheel along the circumferential direction; the first side of the unidirectional rotation limiting lock catch is provided with a locking hook, the second side of the unidirectional rotation limiting lock catch is provided with an unlocking driving part, the unlocking driving part is provided with a driving groove, the middle part of the unidirectional rotation limiting lock catch is pivoted to the lower cover, the locking hook penetrates through the upper part of the lock catch chamber and stretches into the adjacent shaft body installation cavity, the locking hook is elastically pressed against the hook tooth of the driving wheel, the lower end of the spring is arranged at the bottom of the lock catch chamber, the upper end of the spring is connected with the unlocking driving part, and the spring is used for applying an upward elastic acting force to the unlocking driving part; the unlocking rod is inserted into the driving groove after the upper cover is locked and covered on the lower cover and is used for driving the lock hook to move upwards and leave the hook teeth, and the locking of the unidirectional rotation limiting lock catch to the driving wheel is released.
In a further technical scheme, the elastic rewinding mechanism comprises an end cover, an elastic energy storage element and an inner cover assembly, an embedding chamber is formed in the second end part of the automatic rewinding shaft, and the inner cover assembly is fixed in the embedding chamber; the end cover is rotatably arranged on the inner cover assembly, the end cover protrudes out of the second end part of the automatic rewinding shaft, the end cover is movably clamped in a shaft body installation cavity for accommodating the second end part of the automatic rewinding shaft, and the first end of the elastic energy storage element is connected with the inner cover assembly and the second end of the elastic energy storage element is connected with the end cover; the inner cover assembly comprises an inner cover, a middle cover and a torsion transmission element, wherein a torsion chamber is formed in one side of the inner cover, the torsion transmission element is rotatably arranged in the torsion chamber, a plurality of concave cavities are formed in the inner wall surface of the torsion chamber along the circumferential direction, and a shaft hole is formed in the middle of the inner cover; the torsion transmission element protrudes towards one side of the end cover and is provided with a torsion shaft which is rotatably arranged in the shaft hole of the inner cover, and the outer end part of the torsion shaft penetrates through the shaft hole and is connected with the first end of the elastic energy storage element; the torque force transmission element extends at least two elastic clamping arms with elasticity along the radial direction, the outer end parts of the elastic clamping arms are formed with convex parts, and the convex parts elastically prop against the concave cavities of the inner wall surface of the torque force chamber; the first side of the middle cover is fixed on the inner cover, the inner end part of the end cover is rotatably arranged on the middle cover, the middle part of the middle cover is provided with an energy storage cavity, the elastic energy storage element is positioned in the energy storage cavity, and the elastic energy storage element is one of an elastic steel wire, a torsion spring, a spring or an elastic sheet; the middle part of the middle cover is provided with a through hole which is smaller than the energy storage cavity, a retaining ring is formed on the joint surface of the through hole and the energy storage cavity, a plurality of buckling feet are formed on one side of the end cover facing the middle cover, each buckling foot penetrates through the through hole and is movably buckled on the retaining ring, the outer side surface of each buckling foot is an arc surface with the same radius, and the outer side surface of each buckling foot is in rotary fit with the through hole; the convex part and the concave cavity are in an interference fit state and a trip fit state, when the elastic force of the elastic energy storage element is smaller than the friction force of the convex part and the concave cavity, the convex part and the concave cavity are in the interference fit state, the inner cover, the elastic clamping arm and the torsion shaft are driven to rotate when the automatic rewinding shaft rotates, and the elastic energy storage element is in an energy storage state when the torsion shaft rotates; when the elastic force of the elastic energy storage element is larger than the friction force of the convex part and the concave cavity, the convex part and the concave cavity are in a tripping fit state, the inner cover is driven to rotate when the automatic rewinding shaft rotates, the elastic clamping arm is basically static in the torsion chamber, and the convex part of the elastic clamping arm jumps from the currently matched concave cavity to the next adjacent concave cavity in the process that the inner cover rotates relative to the elastic clamping arm;
In a further technical scheme, the middle part of the elastic clamping arm is provided with at least one elastic bending part; the outer side surface of the convex part is a cylindrical surface, and the concave cavity is an arc-shaped surface with the shape matched with the outer side surface of the convex column; the outer end part of the torsion shaft is provided with a groove body, and the first end of the elastic energy storage element is clamped in the first groove body of the torsion shaft; the middle part of one side of the end cover facing the middle cover is provided with a connecting part, the outer end part of the connecting part is provided with a second groove body, the first end of the elastic energy storage element is clamped in the second groove body of the connecting part, and each buckling pin is distributed in a circular area at the outer edge of the connecting part; at least one groove chamber is formed in the surface of the automatic rewinding shaft, the groove chamber extends along the length direction of the automatic rewinding shaft, an elastic supporting plate used for supporting in a shaft cavity in the middle of the vacuum packaging bag roll is installed in the groove chamber, and a spring is installed on the bottom surface of the elastic supporting plate and used for elastically propping against the elastic supporting plate outwards.
Compared with the prior art, the invention has the advantages that: the bag cutting and heat sealing are more convenient, after the bag body is cut off, the vacuum package bag roll can automatically roll the bag body back after the cover is opened, so that the operation steps of a user are reduced, and the operation is simpler, more convenient and quicker.
The vacuum sealing machine has a simple structure, realizes bag cutting at the original heat seal or vacuumizing groove of the lower cover, is more convenient to cut, and can automatically reel the bag after the bag body is cut off and the vacuum package bag reel can automatically reel the bag body after the cover is opened, so that the operation steps of a user are reduced, and the operation is simpler, more convenient and quicker.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the structure of the upper cover of the present invention after opening.
Fig. 3 is a schematic view of the internal structure of the present invention.
Fig. 4 is a partial enlarged view at a in fig. 3.
Fig. 5 is a schematic view of the structure of the belt with the pushing part and the cutter device installed.
Fig. 6 is a schematic structural view of the cutter device of the present invention.
Figure 7 is a schematic view of the internal structure of the cutter device of the present invention.
Fig. 8 is a schematic structural view of the automatic rewinding shaft of the present invention.
Fig. 9 is a schematic view of the internal structure of the automatic rewinding shaft of the present invention.
Fig. 10 is an assembled schematic view of the elastic rewind mechanism of the present invention.
In the figure:
1. upper cover 10, vacuum package bag roll 11, belt 110, power belt body 111, driven belt body 12, pushing part 13, limit chute 14, transmission column 15, chute 16, and bag body storage room
2. The lower cover 20, the heat seal 21, the vacuumizing groove 22, the empty avoiding groove 23, the shaft body mounting chamber 24, the locking chamber 25 and the spring.
3. Cutter device 30, knife box 301, hook 302, pocket 31, blade 310, blade edge.
4. The automatic rewinding shaft 41, the driving wheel 42, the unidirectional rotation limiting lock catch 43, the unlocking lever 44, the lock hook 45 and the unlocking driving part.
5. The elastic support plate 50, the end cap 501, the connecting portion 502, the buckle leg 51, the elastic energy storage element 52, the inner cap 53, the torque transmission element 54, the recess 55, the torsion shaft 56, the elastic clip arm 57, the protrusion 58, the middle cap 59, and the buckle.
Detailed Description
The following are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention.
Example 1
The bag cutting and sealing method of the vacuum sealing machine comprises the following steps,
1) Fixing the rolled vacuum package bag roll 10 on the automatic rewinding shaft 4, and respectively installing two ends of the automatic rewinding shaft 4 in shaft installation cavities 23 at two sides of the vacuum sealing machine to enable the vacuum package bag roll 10 to be accommodated in a bag accommodating chamber 16 of the vacuum sealing machine;
2) Pulling out the vacuum package bag roll 10 to a proper length of a bag body, wherein the bag body stretches across the top surface of the cover 2 and is pulled out of the vacuum sealing machine, the position of the bag body to be cut off is positioned on one side of a vacuum pumping groove 21 for vacuumizing, which is arranged on the lower cover 2, the automatic rewinding shaft 4 rotates along with the bag body when the bag body is pulled out, partial torsion generated when the automatic rewinding shaft 4 rotates is transmitted to an elastic energy storage element 51 in the elastic rewinding mechanism through the elastic rewinding mechanism arranged at the end part of the automatic rewinding shaft 4, so that the elastic rewinding mechanism applies a force for reversely rotating the automatic rewinding shaft 4, and the automatic rewinding shaft 4 is locked to be incapable of reversely rotating through a unidirectional rotation limiting lock catch 42 arranged on the lower cover 2;
3) The pulled bag body is kept motionless and locked to the upper cover 1, the bag body is pressed by the upper cover 1 locked to the lower cover 2, the unlocking rod 43 fixed to the upper cover 1 is pressed against the unidirectional rotation limiting lock catch 42 arranged on the lower cover 2, the unidirectional rotation limiting lock catch 42 is unlocked to the automatic rewinding shaft 4, the automatic rewinding shaft 4 reversely rotates under the torsion action of the elastic rewinding mechanism and tightens the bag body, and the bag body on the top surface of the lower cover 2 is tensioned;
4) Cutting off the bag body, sliding the cutter device 3 arranged on the upper cover 1 from one side to the other side, cutting off the tensioned bag body by the cutter 31 protruding out of the bottom surface of the upper cover 1 and positioned at one side of the vacuumizing groove 21 through the cutter device 3, reversely rotating the automatic rewinding shaft 4 under the torsion action of the elastic rewinding mechanism, and automatically rewinding the cut bag body positioned outside the bag body accommodating chamber 16 onto the vacuum packaging bag roll 10 in the bag body accommodating chamber 16;
5) The end of the bag body is heat-sealed by a heat sealing strip 20 which is arranged on one side of the vacuumizing groove 21 of the lower cover 2 and is used for heat sealing after vacuumizing, and the step is set to be automatically executed after the upper cover 1 is locked or to be executed after a user touches a corresponding control key;
6) Opening the upper cover 1, wherein the unlocking rod 43 of the upper cover 1 leaves the unidirectional rotation limiting lock catch 42 along with the rotation of the upper cover 1, and the elastic unidirectional locking mechanism resets and locks the automatic rewinding shaft 4;
7) And taking out the cut bag body to finish the end heat sealing of the bag body.
The invention cuts off and heat-seals one end of the bag body pulled out of the vacuum package bag roll 10, which is carried out by using the existing heat sealing strip 20 of the vacuum sealing machine, and the vacuum package bag roll can automatically roll back the bag body after the cover is opened, thereby reducing the operation steps of users, and the operation is simpler, more convenient and faster. The related structure of the vacuum sealing machine involved in the steps of the invention is shown in the second embodiment.
After food and other articles are filled in the vacuum packaging bag, vacuumizing and heat-sealing are carried out on the vacuum packaging bag, an opening of the vacuum packaging bag is inserted into a vacuumizing groove 21 of a vacuum sealing machine, an upper cover 1 is locked, a vacuum pump is started, vacuumizing is carried out on the vacuum packaging bag through the vacuumizing groove 21 and the opening of the vacuum packaging bag, and then heat-sealing is carried out through an opening of a heat seal 20, so that vacuumizing and heat-sealing are completed.
Example two
The vacuum sealing machine is shown in fig. 1 to 10, and comprises an upper cover 1 and a lower cover 2, wherein the upper cover 1 is rotatably arranged on the lower cover 2, a cutter device 3 is slidably arranged on the upper cover 1, a heat seal 20 and a vacuum pumping groove 21 are arranged at the front side position of the upper part of the lower cover 2, a bag body accommodating chamber 16 for accommodating a coiled vacuum package bag roll 10 is arranged on the upper cover 1 or the lower cover 2, an automatic rewinding shaft 4 which can be detached is rotatably arranged in the bag body accommodating chamber 16 and is used for being connected in a shaft cavity in the middle of the coiled vacuum package bag roll 10 in a stringing manner, the automatic rewinding shaft can be taken out, an elastic rewinding mechanism and an elastic unidirectional locking mechanism are arranged at the end part of the automatic rewinding shaft 4, the elastic unidirectional locking mechanism is used for locking the automatic rewinding shaft 4, rewinding is prevented under the action of the elastic force of the elastic rewinding mechanism, and the automatic rewinding shaft 4 is limited to rotate only unidirectionally. The automatic bag winding machine is simple in structure, and is convenient to use, and the bag body is automatically rewound after being cut off, so that the operation steps of a user are reduced.
Wherein, upper cover 1 slidable mounting has at least one cutters 3, and cutters 3 protrusion are in the bottom surface of lower cover 2, and the cutter round trip movement is in one side of heat-seal strip 20 or one side of evacuation groove 21 after upper cover 1 locks the lid in lower cover 2 for cut off the bag body that compresses tightly between upper cover 1 and lower cover 2. The heat sealing strip 20 of the lower cover 2 is used for cutting off and heat sealing one end part of the bag body, the inner end part or the outer end part of the bag is pulled out to the heat sealing strip 20, the upper cover 1 is locked, the heat sealing of the inner end part or the outer end part of the bag body can be realized, the bag body can be cut off by the sliding cutter device 3, a vacuum packaging bag with only one end opening is formed, and the vacuumizing and heat sealing of the bag with one end heat sealed are realized at the heat sealing strip 20 and the vacuumizing groove 21 of the lower cover 2. The invention completely changes the operation steps of the vacuum sealing machine in cutting off the bag body and heat sealing the bag ends, and is simpler and more convenient, and the use and operation steps are shown in the first embodiment.
When the bag body is pulled out, the automatic rewinding shaft 4 rotates along with the bag body, and when the automatic rewinding shaft 4 rotates, torsion is transmitted to the elastic rewinding mechanism, so that the elastic rewinding mechanism has certain elastic force.
Specifically, the rear end of the upper cover 1 is rotatably mounted at the rear end of the lower cover 2, the top surface of the front end of the lower cover 2 is provided with a heat sealing strip 20 and a vacuumizing groove 21, the heat sealing strip 20 and the vacuumizing groove 21 are arranged in parallel at intervals and extend along the length direction of the lower cover 2, the top surface of the rear end of the lower cover 2 is provided with a bag body accommodating chamber 16, the left end and the right end of the bag body accommodating chamber 16 are respectively provided with a shaft body mounting chamber 23, the left end and the right end of the automatic rewinding shaft 4 are respectively movably arranged in the left shaft body mounting chamber 23 and the right shaft body mounting chamber 23, and the automatic rewinding shaft 4 rotates when the bag body is pulled outwards.
The elastic unidirectional locking mechanism comprises a driving wheel 41, a unidirectional rotation limiting lock catch 42 and an unlocking rod 43 for changing the state of the unidirectional rotation limiting lock catch 42, wherein the driving wheel 41 is fixed at the first end part of the automatic rewinding shaft 4, the unidirectional rotation limiting lock catch 42 is movably arranged on the lower cover 2, and the unidirectional rotation limiting lock catch 42 is elastically pressed against the driving wheel 41 and is used for limiting the automatic rewinding shaft 4 to only rotate unidirectionally and unwind a bag body; the unlocking rod 43 is fixed on the upper cover 1, after the upper cover 1 is locked on the lower cover 2, the unlocking rod 43 triggers the unidirectional rotation limiting lock catch 42 to unlock the unidirectional rotation limiting lock catch 42 from locking the transmission wheel 41, the transmission wheel 41 is in a free state, the automatic rewinding shaft 4 reversely rotates under the action of the elastic force of the elastic rewinding mechanism, namely, rolls back, and rolls back the pulled bag.
The lower cover 2 is provided with a lock catch chamber 24, and the upper part of the lock catch chamber 24 is communicated with the upper part of a shaft body installation chamber 23 for accommodating the first end part of the automatic rewinding shaft 4; the unidirectional rotation limiting lock catch 42 is rotatably installed in the lock catch chamber 24, and the front end portion of the unidirectional rotation limiting lock catch 42 extends into the adjacent shaft body installation chamber 23 through the upper portion of the lock catch chamber 24; the latch chamber 24 is provided with a spring 25, and the spring 25 is connected with a unidirectional rotation limiting latch 42 for applying an elastic force to the unidirectional rotation limiting latch 42 so that the unidirectional rotation limiting latch 42 elastically presses against the driving wheel 41.
The wheel body or wheel surface of the driving wheel 41 is provided with a plurality of hook teeth along the circumferential direction, and the hook teeth can be selected from ratchets, helical teeth, clamping columns, clamping holes or clamping holes; a latch hook 44 is formed on the first side of the unidirectional rotation limiting latch 42, an unlocking driving part 45 is formed on the second side of the unidirectional rotation limiting latch 42, a driving groove is formed on the unlocking driving part 45, the middle part of the unidirectional rotation limiting latch 42 is pivoted to the lower cover 2, the latch hook 44 penetrates through the upper part of the latch chamber 24 and stretches into the adjacent shaft body mounting cavity 23, the latch hook 44 elastically abuts against a latch tooth of the driving wheel 41, the lower end of the spring 25 is mounted at the bottom of the latch chamber 24, the upper end of the spring is connected with the unlocking driving part 45, and the spring is used for applying an upward elastic acting force to the unlocking driving part 45; after the upper cover 1 is locked to the lower cover 2, the unlocking lever 43 is inserted into the driving slot for driving the latch hook 44 to move upward and separate from the hook teeth, and unlocking the driving wheel 41 by the unidirectional rotation limiting latch 42.
The elastic rewinding mechanism comprises an end cover 50, an elastic energy storage element 51 and an inner cover assembly, an embedding chamber is formed at the second end part of the automatic rewinding shaft 4, and the inner cover assembly is fixed in the embedding chamber; the end cover 50 is rotatably mounted on the inner cover assembly, the end cover 50 protrudes from the second end of the automatic rewinding shaft 4, the end cover 50 is movably clamped in the shaft body mounting cavity 23 for accommodating the second end of the automatic rewinding shaft 4, and the first end of the elastic energy storage element 51 is connected with the inner cover assembly, and the second end of the elastic energy storage element is connected with the end cover 50.
The inner cover assembly comprises an inner cover 52 and a torsion transmission element 53, a torsion chamber is formed on one side of the inner cover 52, the torsion transmission element 53 is rotatably arranged in the torsion chamber, a plurality of concave cavities 54 are formed on the inner wall surface of the torsion chamber along the circumferential direction, and a shaft hole is formed in the middle of the inner cover 52; the torsion transmission element 53 protrudes toward one side of the end cap 50 with a torsion shaft 55, the torsion shaft 55 is rotatably installed in the shaft hole of the inner cap 52, and the outer end of the torsion shaft 55 passes through the shaft hole and is connected with the first end of the elastic energy storage element 51; the torque transmission element 53 extends at least two elastic clamping arms 56 with elasticity along the radial direction, and the middle part of the elastic clamping arms 56 is provided with at least one elastic bending part; the outer end of the elastic clamping arm 56 is provided with a convex part 57, and the convex part 57 elastically props against the concave cavity 54 of the inner wall surface of the torsion chamber; the convex part 57 and the concave part 54 have an static fit state and a trip fit state, the outer side surface of the convex part 57 is a cylindrical surface, and the concave part 54 is an arc-shaped surface with the shape matched with the outer side surface of the convex column; the outer end of the torsion shaft 55 is provided with a groove body, and the first end of the elastic energy storage element 51 is clamped in the first groove body of the torsion shaft 55; the middle part of one side of the end cover 50 facing the middle cover 58 is provided with a connecting part 501, and each buckling pin 502 is distributed in a circular area at the outer edge of the connecting part 501; the outer end of the connecting part 501 is provided with a second groove body, and the first end of the elastic energy storage element 51 is clamped in the second groove body of the connecting part 501;
When the elastic force of the elastic energy storage element 51 is smaller than the friction force of the convex part 57 and the concave cavity 54, the convex part 57 and the concave cavity 54 are in an static fit state, the inner cover 52, the elastic clamping arm 56 and the torsion shaft 55 are driven to rotate when the automatic rewinding shaft 4 rotates, and the elastic energy storage element 51 is in an energy storage state when the torsion shaft 55 rotates;
when the elastic force of the elastic energy storage element 51 is greater than the friction force of the convex part 57 and the concave part 54, the convex part 57 and the concave part 54 are in a trip matching state, the inner cover 52 is driven to rotate when the automatic rewinding shaft 4 rotates, the elastic clamping arm 56 is basically static in the torsion chamber, and the convex part 57 of the elastic clamping arm 56 jumps from the currently matched concave part 54 to the adjacent next concave part 54 in the process that the inner cover 52 rotates relative to the elastic clamping arm 56.
The inner cover assembly comprises a middle cover 58, a first side of the middle cover 58 is fixed on the inner cover 52, an inner end part of the end cover 50 is rotatably arranged on the middle cover 58, an energy storage cavity is formed in the middle of the middle cover 58, the elastic energy storage element 51 is located in the energy storage cavity, and the elastic energy storage element 51 is one of an elastic steel wire, a torsion spring, a clockwork spring or a shrapnel.
The middle part of the middle cover 58 is provided with a through hole which is smaller than the energy storage cavity, a retaining ring 59 is formed at the joint surface of the through hole and the energy storage cavity, a plurality of buckling feet 502 are formed at one side of the end cover 50 facing the middle cover 58, each buckling foot 502 respectively penetrates through the through hole and is movably buckled on the retaining ring 59, the outer side surface of each buckling foot 502 is an arc surface with the same radius, and the outer side surface of each buckling foot 502 is in rotary fit with the through hole.
At least one groove chamber is formed in the surface of the automatic rewinding shaft 4, the groove chamber extends along the length direction of the automatic rewinding shaft 4, an elastic supporting plate 5 used for supporting in a shaft cavity in the middle of the vacuum packaging bag roll 10 is installed in the groove chamber, a spring 25 is installed on the bottom surface of the elastic supporting plate 5 and used for elastically propping against the elastic supporting plate 5 outwards, and the vacuum packaging bag roll 10 with the shaft cavities of different inner diameters can be adapted.
The rear end of the upper cover 1 is rotatably arranged at the rear end of the lower cover 2, the top surface of the front end of the lower cover 2 is provided with a heat sealing strip 20 and a vacuumizing groove 21, the heat sealing strip 20 and the vacuumizing groove 21 are arranged in parallel at intervals and extend along the length direction of the lower cover 2, the middle upper part of the cutter device 3 is slidably arranged inside the front end of the upper cover 1, the lower part of the cutter device 3 protrudes out of the bottom surface of the front end of the lower cover 2, the cutter device 3 is fixedly provided with a cutter, and the cutter moves back and forth between the heat sealing strip 20 and the vacuumizing groove 21 after the upper cover 1 is locked and covered on the lower cover 2.
The internally mounted of the front end of upper cover 1 has a belt 11, and the top surface or the preceding terminal surface slidable mounting of the front end of upper cover 1 has at least one pushing part 12 that is used for driving belt 11 round trip movement, and pushing part 12 can be set up into plectrum, button or push rod, and pushing part 12's inner end is fixed in belt 11, and cutters 3 are fixed at belt 11, drive cutters 3 and follow belt 11 round trip movement when belt 11 round trip movement, spout 15 has been seted up to the preceding terminal surface of upper cover 1, pushing part 12 slidable mounting is in spout 15. The pushing part 12 is dragged or pushed back and forth, the belt 11 can be dragged to move back and forth, and the cutter device 3 is driven to move back and forth through the belt 11.
A limiting chute 13 is formed in the bottom surface of the upper cover 1, the limiting chute 13 is parallel to the heat sealing strip 20 or the vacuumizing groove 21, a plurality of transmission columns 14 are arranged in the upper cover 1, the belt 11 is an annular belt body, the belt 11 is tensioned into a shape of a mouth through the transmission columns 14, the belt 11 is adjacent to the belt body 110 of the outer end face of the upper cover 1, the belt body of the belt 11, which is far away from the outer end face of the upper cover 1, forms a driven belt body 111, the pushing part 12 is fixed to the power belt body 110, the cutter device 3 is fixed to the driven belt body 111, the driven belt body 111 and the cutter device 3 slide back and forth in the limiting chute 13, the power belt body 110 moves in the opposite direction to the driven belt body 111, for example, when the pushing part 12 is dragged or pushed leftwards, the power belt body 110 moves leftwards, and the driven belt body 111 drives the cutter device 3 to move rightwards.
The cutter device 3 comprises a cutter box 30 and two blades 31, one side of each blade 31 is provided with a cutting edge 310, the blades 31 can be single-section cutter bodies broken by art cutters according to folds, the blades 31 do not need to be specially customized and produced, and the cost is lower. The two blades 31 are respectively fixed at the left and right sides of the blade case 30, and the cutting edges 310 of the two blades 31 are respectively directed outward, and the cutting edges 310 of the two blades 31 are in an inclined state. The cutter can cut off the bag body when moving to any side. The lower part of the knife box 30 is formed with a hook 301, the middle part of the hook 301 is connected with the knife box 30, a pocket groove 302 is respectively formed at the left side and the right side above the hook 301, and the cutting edges 310 of the two blades 31 respectively protrude into the pocket groove 302. The cutting edge 310 is located at the inner end of the bag-entering groove 302, and an acute included angle is formed between the cutting edge 310 in an inclined state and the bottom surface of the bag-entering groove 302, namely, the blade 31 and the cutting edge 310 are hidden in the bag-entering groove 302, so that the cutting edge 310 of the blade 31 is prevented from scratching hands.
The lower cover 2 is provided with a clearance groove 22, the hook 301 is inserted into the clearance groove 22 after the upper cover 1 is locked and covered on the lower cover 2 and slides back and forth in the clearance groove 22, and the clearance groove 22 is positioned between the heat seal 20 and the vacuumizing groove 21. The bag body compressed between the upper cover 1 and the lower cover 2 is positioned in the opening of the bag-in groove 302 in the height direction. When the cutter device 3 moves towards the bag body, the edge of the bag body is automatically inserted into the bag inlet groove 302 in a sliding manner, the bag body is positioned through the bag inlet groove 302, the edge of the bag body is forcefully supported, the position of the bag body is prevented from being deviated, the bag body can be smoothly cut off when the cutter moves, the bag body cutting-off is more labor-saving, and the cutting-off action of the bag body is more stable.
The foregoing is merely exemplary of the present invention, and those skilled in the art should not be considered as limiting the invention, since modifications may be made in the specific embodiments and application scope of the invention in light of the teachings of the present invention.
Claims (10)
1. The bag cutting and sealing method of the vacuum sealing machine is characterized by comprising the following steps of: comprises the steps of,
1) Fixing a roll-shaped vacuum package bag roll (10) on an automatic rewinding shaft (4), and respectively installing two ends of the automatic rewinding shaft (4) in shaft body installation cavities (23) at two sides of a vacuum sealing machine to enable the vacuum package bag roll (10) to be contained in a bag body containing chamber (16) of the vacuum sealing machine;
2) Pulling out a bag body with proper length from a vacuum package bag roll (10), wherein the bag body stretches across the top surface of a lower cover (2) and is pulled out of a vacuum sealing machine, the position of the bag body to be cut off is positioned on one side of a vacuumizing groove (21) which is arranged on the lower cover (2) and is used for vacuumizing, an automatic rewinding shaft (4) rotates along with the bag body when the bag body is pulled out, partial torsion generated when the automatic rewinding shaft (4) rotates is transmitted to an elastic energy storage element (51) in the elastic rewinding mechanism through an elastic rewinding mechanism arranged at the end part of the automatic rewinding shaft (4), so that the elastic rewinding mechanism applies a force for reversely rotating the automatic rewinding shaft (4), and a unidirectional rotation limiting lock catch (42) arranged on the lower cover (2) locks the automatic rewinding shaft (4) so as not to reversely rotate;
3) The pulled bag body is kept motionless and locked to the upper cover (1), the bag body is tightly pressed by the upper cover (1) locked to the lower cover (2), the unlocking rod (43) fixed on the upper cover (1) is propped against the unidirectional rotation limiting lock catch (42) arranged on the lower cover (2), the unidirectional rotation limiting lock catch (42) is used for unlocking the automatic rewinding shaft (4), and the automatic rewinding shaft (4) reversely rotates under the torque action of the elastic rewinding mechanism and tightens the bag body, so that the bag body on the top surface of the lower cover (2) is tensioned;
4) Cutting off the bag body, sliding a cutter device (3) arranged on the upper cover (1) from one side to the other side, cutting off the tensioned bag body by a blade (31) which is arranged on one side of the vacuumizing groove (21) and protrudes out of the bottom surface of the upper cover (1) through the cutter device (3), reversely rotating an automatic rewinding shaft (4) under the torque force of an elastic rewinding mechanism, and automatically rewinding the cut bag body positioned outside the bag body accommodating chamber (16) onto a vacuum packaging bag roll (10) in the bag body accommodating chamber (16);
5) The bag body is heat-sealed, the end part of the bag body is heat-sealed through a heat sealing strip (20) which is arranged on one side of the vacuumizing groove (21) of the lower cover (2) and is used for carrying out heat sealing after vacuumizing, and the step is set to be automatically executed after the upper cover (1) is locked or to be executed after a user touches a corresponding control key;
6) Opening the upper cover (1), wherein an unlocking rod (43) of the upper cover (1) leaves the unidirectional rotation limiting lock catch (42) along with the rotation of the upper cover (1), and an elastic unidirectional locking mechanism resets and locks the automatic rewinding shaft (4);
7) And taking out the cut bag body to finish the end heat sealing of the bag body.
2. The utility model provides a vacuum capper, including upper cover (1), lower cover (2) and cutters (3), upper cover (1) rotary mounting is in lower cover (2), and upper cover (1) slidable mounting has at least one cutters (3), and the front side position on lower cover (2) upper portion is provided with heat seal (20) and evacuation groove (21), and upper cover (1) or lower cover (2) are provided with bag body accommodating chamber (16) that are used for accomodating vacuum packaging bag roll (10) of roll form, its characterized in that: the automatic rewinding shaft (4) capable of being detached is rotatably arranged in the bag body accommodating chamber (16) and is used for being arranged in a shaft cavity in the middle of the coiled vacuum package bag roll (10) in a stringing mode, and an elastic rewinding mechanism for driving the automatic rewinding shaft (4) to rewind and an elastic unidirectional locking mechanism for locking the automatic rewinding shaft (4) are arranged at the end part of the automatic rewinding shaft (4); the cutter device (3) protrudes out of the bottom surface of the lower cover (2), and after the upper cover (1) is locked on the lower cover (2), the cutter moves back and forth on one side of the heat sealing strip (20) or one side of the vacuumizing groove (21) and is used for cutting off a bag body pressed between the upper cover (1) and the lower cover (2).
3. The vacuum sealer as claimed in claim 2, wherein: the rear end part of the upper cover (1) is rotatably arranged at the rear end part of the lower cover (2), the top surface of the front end part of the lower cover (2) is provided with the heat seal (20) and the vacuumizing groove (21), the heat seal (20) and the vacuumizing groove (21) are arranged in parallel at intervals and extend along the length direction of the lower cover (2), the top surface of the rear end part of the lower cover (2) is provided with the bag body accommodating chamber (16), the left end part and the right end part of the bag body accommodating chamber (16) are respectively provided with the shaft body installing chambers (23), and the left end part and the right end part of the automatic rewinding shaft (4) are respectively movably arranged in the left shaft body installing chamber and the right shaft body installing chamber (23); the middle upper portion of cutters (3) slidable mounting is in the inside of the front end of upper cover (1), and the lower part protrusion of cutters (3) is in the bottom surface of the front end of lower cover (2), and cutters (3) are fixed with the cutter, and cutter round trip movement is in the position between heat-seal strip (20) and evacuation groove (21) behind upper cover (1) locking closure in lower cover (2).
4. A vacuum sealer as claimed in claim 3, wherein: the elastic unidirectional locking mechanism comprises a driving wheel (41), a unidirectional rotation limiting lock catch (42) and an unlocking rod (43) for changing the state of the unidirectional rotation limiting lock catch (42), the driving wheel (41) is fixed at the first end part of the automatic rewinding shaft (4), the unidirectional rotation limiting lock catch (42) is movably arranged on the lower cover (2), and the unidirectional rotation limiting lock catch (42) is elastically pressed against the driving wheel (41) and used for limiting the automatic rewinding shaft (4) to rotate unidirectionally and unwind a bag body; the unlocking rod (43) is fixed on the upper cover (1), and after the upper cover (1) is locked on the lower cover (2), the unlocking rod (43) triggers the unidirectional rotation limiting lock catch (42) to unlock the unidirectional rotation limiting lock catch (42) from the transmission wheel (41);
The inner part of the front end part of the upper cover (1) is provided with a belt (11), the top surface or the front end surface of the front end part of the upper cover (1) is slidably provided with at least one pushing part (12) for driving the belt (11) to move back and forth, the inner end part of the pushing part (12) is fixed on the belt (11), the cutter device (3) is fixed on the belt (11), and the cutter device (3) is driven to move back and forth along with the belt (11) when the belt (11) moves back and forth.
5. The vacuum sealer as claimed in claim 4, wherein: a limiting chute (13) is formed in the bottom surface of the upper cover (1), the limiting chute (13) is parallel to the heat sealing strip (20) or the vacuumizing groove (21), a plurality of transmission columns (14) are arranged in the upper cover (1), the belt (11) is an annular belt body, the belt (11) is tensioned into a shape of a 'mouth' through the transmission columns (14), the belt body (110) adjacent to the outer end surface of the upper cover (1) is formed by the belt body (11), the belt body (11) is far away from the outer end surface of the upper cover (1) and forms a driven belt body (111), the pushing part (12) is fixed on the power belt body (110), and the cutter device (3) is fixed in the driven belt body (111), and the driven belt body (111) and the cutter device (3) slide back and forth in the limiting chute (13);
The cutter device (3) comprises a cutter box (30) and two blades (31), one sides of the two blades (31) are respectively provided with a cutting edge (310), the two blades (31) are respectively fixed on the left side and the right side of the cutter box (30), the cutting edges (310) of the two blades (31) face to the outer side respectively, and the cutting edges (310) of the two blades (31) are in an inclined state.
6. The vacuum sealer as claimed in claim 5, wherein: the lower part of the knife box (30) is provided with a hook part (301), the middle part of the hook part (301) is connected with the knife box (30), a bag entering groove (302) is respectively formed at the left side and the right side above the hook part (301), and the cutting edges (310) of the two blades (31) are respectively protruded in the bag entering groove (302);
the blade (31) is a single-section blade body broken by an art designer blade according to folds;
the lower cover (2) is provided with a clearance groove (22), the hook part (301) is inserted into the clearance groove (22) after the upper cover (1) is locked on the lower cover (2) and slides back and forth in the clearance groove (22), and a bag body pressed between the upper cover (1) and the lower cover (2) is positioned in the opening of the bag entering groove (302) in the height direction;
The cutting edge (310) is positioned at the inner end part of the bag entering groove (302), and an acute included angle is formed between the cutting edge (310) in an inclined state and the bottom surface of the bag entering groove (302).
7. Vacuum sealer according to one of the claims 4 to 6, characterized in that: the lower cover (2) is provided with a lock catch chamber (24), and the upper part of the lock catch chamber (24) is communicated with the upper part of a shaft body installation chamber (23) for accommodating the first end part of the automatic rewinding shaft (4); the unidirectional rotation limiting lock catch (42) is rotatably arranged in the lock catch chamber (24), and the front end part of the unidirectional rotation limiting lock catch (42) penetrates through the upper part of the lock catch chamber (24) and stretches into the adjacent shaft body installation chamber (23); a spring (25) is arranged in the lock catch chamber (24), and the spring (25) is connected with a unidirectional rotation limiting lock catch (42) and is used for applying an elastic force for elastically pressing the unidirectional rotation limiting lock catch (42) against the driving wheel (41).
8. The vacuum sealer as claimed in claim 7, wherein: the wheel body or the wheel surface of the driving wheel (41) is provided with a plurality of hook teeth along the circumferential direction;
the first side of the unidirectional rotation limiting lock catch (42) is provided with a lock hook (44) and the second side is provided with an unlocking driving part (45), the unlocking driving part (45) is provided with a driving groove,
The middle part of the unidirectional rotation limiting lock catch (42) is pivoted on the lower cover (2), the lock hook (44) penetrates through the upper part of the lock catch chamber (24) and stretches into the adjacent shaft body installation chamber (23), the lock hook (44) elastically presses against the hook teeth of the driving wheel (41),
the lower end of the spring (25) is arranged at the bottom of the lock catch chamber (24), and the upper end of the spring is connected with the unlocking driving part (45) and is used for applying an upward elastic acting force to the unlocking driving part (45);
after the upper cover (1) is locked on the lower cover (2), an unlocking rod (43) is inserted into the driving groove and used for driving a lock hook (44) to move upwards and separate from the hook teeth, and the locking of the unidirectional rotation limiting lock catch (42) on the driving wheel (41) is released.
9. The vacuum sealer as claimed in claim 8, wherein: the elastic rewinding mechanism comprises an end cover (50), an elastic energy storage element (51) and an inner cover assembly, an embedding chamber is formed at the second end part of the automatic rewinding shaft (4), and the inner cover assembly is fixed in the embedding chamber; the end cover (50) is rotatably arranged on the inner cover assembly, the end cover (50) protrudes out of the second end part of the automatic rewinding shaft (4), the end cover (50) is movably clamped in a shaft body installation cavity (23) for accommodating the second end part of the automatic rewinding shaft (4), and the first end of the elastic energy storage element (51) is connected with the inner cover assembly and the second end of the elastic energy storage element is connected with the end cover (50);
The inner cover assembly comprises an inner cover (52), a middle cover (58) and a torsion transmission element (53), wherein a torsion chamber is formed in one side of the inner cover (52), the torsion transmission element (53) is rotatably arranged in the torsion chamber, a plurality of concave cavities (54) are formed in the inner wall surface of the torsion chamber along the circumferential direction, and a shaft hole is formed in the middle of the inner cover (52); the torsion transmission element (53) protrudes towards one side of the end cover (50) to form a torsion shaft (55), the torsion shaft (55) is rotatably arranged in the shaft hole of the inner cover (52), and the outer end part of the torsion shaft (55) penetrates through the shaft hole and is connected with the first end of the elastic energy storage element (51); the torque transmission element (53) extends at least two elastic clamping arms (56) with elasticity along the radial direction, the outer end parts of the elastic clamping arms (56) are formed with convex parts (57), and the convex parts (57) elastically abut against the concave cavities (54) of the inner wall surface of the torque chamber; the first side of the middle cover (58) is fixed on the inner cover (52), the inner end part of the end cover (50) is rotatably arranged on the middle cover (58), an energy storage cavity is formed in the middle of the middle cover (58), the elastic energy storage element (51) is positioned in the energy storage cavity, and the elastic energy storage element (51) is one of an elastic steel wire, a torsion spring, a spring or an elastic sheet;
The middle part of the middle cover (58) is provided with a through hole which is smaller than the energy storage cavity, a retaining ring (59) is formed on the joint surface of the through hole and the energy storage cavity, a plurality of retaining legs (502) are formed on one side of the end cover (50) facing the middle cover (58), each retaining leg (502) respectively penetrates through the through hole and is movably fastened to the retaining ring (59), the outer side surface of each retaining leg (502) is an arc surface with the same radius, and the outer side surface of each retaining leg (502) is in rotary fit with the through hole;
the convex part (57) and the concave part (54) have an static fit state and a tripping fit state,
when the elastic force of the elastic energy storage element (51) is smaller than the friction force of the convex part (57) and the concave cavity (54), the convex part (57) and the concave cavity (54) are in an interference fit state, the inner cover (52), the elastic clamping arm (56) and the torsion shaft (55) are driven to rotate when the automatic rewinding shaft (4) rotates, and the elastic energy storage element (51) is in an energy storage state when the torsion shaft (55) rotates;
when the elastic force of the elastic energy storage element (51) is larger than the friction force of the convex part (57) and the concave cavity (54), the convex part (57) and the concave cavity (54) are in a tripping fit state, the inner cover (52) is driven to rotate when the automatic rewinding shaft (4) rotates, the elastic clamping arm (56) is basically static in the torsion chamber, and the convex part (57) of the elastic clamping arm (56) jumps from the currently matched concave cavity (54) to the adjacent next concave cavity (54) in the process that the inner cover (52) rotates relative to the elastic clamping arm (56).
10. The vacuum sealer as claimed in claim 9 wherein: the middle part of the elastic clamping arm (56) is provided with at least one elastic bending part; the outer side surface of the convex part (57) is a cylindrical surface, and the concave cavity (54) is an arc-shaped surface with the shape matched with the outer side surface of the convex column; the outer end of the torsion shaft (55) is provided with a groove body, and the first end of the elastic energy storage element (51) is clamped in the first groove body of the torsion shaft (55); the middle part of one side of the end cover (50) facing the middle cover (58) is provided with a connecting part (501), the outer end part of the connecting part (501) is provided with a second groove body, the first end of the elastic energy storage element (51) is clamped in the second groove body of the connecting part (501), and each buckling pin (502) is distributed in a circular area at the outer edge of the connecting part (501); at least one groove chamber is formed in the surface of the automatic rewinding shaft (4), the groove chamber extends along the length direction of the automatic rewinding shaft (4), an elastic supporting plate (5) used for being supported in a shaft cavity in the middle of the vacuum packaging bag roll (10) is installed in the groove chamber, and a spring (25) is installed on the bottom surface of the elastic supporting plate (5) and used for elastically propping against the elastic supporting plate (5) outwards.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710474003.2A CN107235193B (en) | 2017-06-21 | 2017-06-21 | Vacuum sealing machine and bag cutting and sealing method |
| US15/680,356 US10822130B2 (en) | 2017-06-21 | 2017-08-18 | Household vacuum sealer and bag-cutting sealing method |
| EP17188923.1A EP3418035B1 (en) | 2017-06-21 | 2017-09-01 | Household vacuum sealer and bag-cutting sealing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710474003.2A CN107235193B (en) | 2017-06-21 | 2017-06-21 | Vacuum sealing machine and bag cutting and sealing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107235193A CN107235193A (en) | 2017-10-10 |
| CN107235193B true CN107235193B (en) | 2023-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710474003.2A Active CN107235193B (en) | 2017-06-21 | 2017-06-21 | Vacuum sealing machine and bag cutting and sealing method |
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| CN (1) | CN107235193B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107867429A (en) * | 2017-12-25 | 2018-04-03 | 浙江万联电器有限公司 | Vacuum pumping sealing port machine and automatic control system and control method |
| CN109080921B (en) * | 2018-07-24 | 2020-04-28 | 南京旭羽睿材料科技有限公司 | Equipment is taken to supermarket plastic bag |
| CN109677673B (en) * | 2019-02-01 | 2023-11-10 | 广东邦泽创科电器股份有限公司 | Automatic locking vacuum sealing machine with upper cover limiting mechanism |
| CN109729986A (en) * | 2019-02-03 | 2019-05-10 | 深圳市小萌宠物科技有限公司 | The equipment for being packaged pet excrement |
| CN114228157B (en) * | 2021-12-16 | 2023-09-01 | 南通天维机械设备有限公司 | Medical disposable plastic product hot-pressing die and processing method thereof |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2275442A (en) * | 1993-02-25 | 1994-08-31 | Kwonnie Electrical Products Lt | Vacuum sealing plastics bags |
| US7003928B2 (en) * | 2002-10-04 | 2006-02-28 | Jcs/Thg, Llc | Appliance for vacuum sealing food containers |
| KR100486640B1 (en) * | 2003-09-09 | 2005-05-03 | (주)씨에스이 | Vacuum saver |
| CN201660156U (en) * | 2010-03-11 | 2010-12-01 | 厦门优尔电器有限公司 | Plastic bag sealing machine |
| KR20130002830A (en) * | 2011-06-29 | 2013-01-08 | 주식회사 제로팩 | Vacuum packing apparatus having cutting function |
| US9352864B2 (en) * | 2011-10-21 | 2016-05-31 | Sunbeam Products, Inc. | Vacuum packaging and sealing appliance with double seal |
| CN203601616U (en) * | 2013-11-19 | 2014-05-21 | 东莞市盈尔电器有限公司 | Cavity-type vacuum sealer |
| CN207029736U (en) * | 2017-06-21 | 2018-02-23 | 东莞市邦泽电子有限公司 | Cut the vacuum sealer of automatic rewinding after bag |
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