CN117141806B - Vacuum sealing machine for packaging - Google Patents
Vacuum sealing machine for packaging Download PDFInfo
- Publication number
- CN117141806B CN117141806B CN202311411677.XA CN202311411677A CN117141806B CN 117141806 B CN117141806 B CN 117141806B CN 202311411677 A CN202311411677 A CN 202311411677A CN 117141806 B CN117141806 B CN 117141806B
- Authority
- CN
- China
- Prior art keywords
- base
- touch plate
- cover body
- strip
- packaging bag
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 75
- 238000007789 sealing Methods 0.000 title claims abstract description 70
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 7
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 7
- 230000006698 induction Effects 0.000 claims description 16
- 238000012856 packing Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 6
- 230000001965 increasing effect Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 22
- 238000000034 method Methods 0.000 abstract description 21
- 238000005086 pumping Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- GQWNECFJGBQMBO-UHFFFAOYSA-N Molindone hydrochloride Chemical compound Cl.O=C1C=2C(CC)=C(C)NC=2CCC1CN1CCOCC1 GQWNECFJGBQMBO-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
- B65B31/02—Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas
-
- 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
- B65B51/14—Applying or generating heat or pressure or combinations thereof by reciprocating or oscillating members
- B65B51/146—Closing bags
-
- 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
- B65B57/00—Automatic control, checking, warning, or safety devices
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Vacuum Packaging (AREA)
Abstract
The application relates to a vacuum sealing machine for packaging, including base and lid, rotate on the lid and be connected with two vaulting poles, be connected with the torsional spring between vaulting pole and the lid, the one end that the lid was kept away from to the vaulting pole rotates and is connected with the touch panel, sliding connection has down the touch panel on the base, starts the vacuum pump after rotating the lock lid and takes out the air in the wrapping bag, opens the heating strip and thermoplastic sealing with the opening part of wrapping bag, can accomplish the vacuum sealing process. In the process that the cover body rotates to the base to be buckled, the two upper contact plates are respectively contacted with the packaging bag, the contact points are respectively positioned at two sides of the packaging bag, the upper contact plates and the lower contact plates are matched to clamp the packaging bag, the packaging bag is dragged along with the rotation of the cover body, and the opening part of the packaging bag is leveled before the cover body is buckled. This application has the fold of eliminating wrapping bag opening part, improves sealed effect's effect.
Description
Technical Field
The application relates to the field of vacuum sealing machines, in particular to a vacuum sealing machine for packaging.
Background
The vacuum sealing machine is a device frequently used when food is stored, the food is filled into the packaging bag when the vacuum sealing machine is used, firstly, the air in the packaging bag is pumped out by the vacuum sealing machine, after the packaging bag reaches a preset vacuum degree, the opening of the packaging bag is sealed, the vacuum low-oxygen environment in the packaging bag is maintained, and the storage time of the food is prolonged.
The related art can refer to Chinese patent publication No. CN108313368A for disclosing a vacuum sealing machine, comprising a base, a cover and a vacuum pump, wherein a cavity is formed between the base and the cover in a matched manner; an air outlet channel with an air release valve is arranged on the base; a locking structure is arranged between the base and the cover body, the locking structure comprises a lock seat and a lock hook, the lock seat comprises a cover body, a lock cylinder and a first elastic piece, the lock cylinder is arranged in the cover body in a sliding manner, and the first elastic piece is abutted between the cover body and the lock cylinder; the lock core comprises a pair of clamping pieces which can be combined under the constraint of the cover body; the cover body is provided with a limit groove, the limit groove comprises a locking position and a disengaging position, the disengaging position is positioned below the locking position, and the lock core is provided with a limit piece. The limiting piece is controlled to slide into or slide out of the limiting groove, so that the clamping piece is controlled to be folded or opened, and the cover body is opened or closed.
To above-mentioned related art, need place the packing between base and the lid when vacuum seal, the lock lid begins vacuum seal work after compressing tightly the wrapping bag, and the wrapping bag is after installing article, and the surface can be to a certain extent uplifted, and the opening part also can form the fold of a certain extent, if directly compress tightly the wrapping bag mouth of fold and take out vacuum and thermoplastic seal, can influence the sealed effect of sealing department.
Disclosure of Invention
In order to improve the sealing effect of the thermoplastic sealing, the application provides a vacuum sealing machine for packaging.
The application provides a vacuum sealing machine for packaging, adopts following technical scheme:
the utility model provides a vacuum sealing machine for packing, includes the base and rotates the lid of being connected on the base, has offered sealed chamber on the base, is equipped with the vacuum pump that is used for evacuating in the sealed chamber, all is equipped with joint strip on base and the lid, all is equipped with the heating strip that is used for thermoplastic sealing on base and the lid, rotate the axis of rotation perpendicular to lid that is connected with two vaulting poles and vaulting pole on the lid, be connected with the torsional spring between vaulting pole and the lid, when the torsional spring is in natural state, the vaulting pole is kept away from lid one end and is to the direction slope of keeping away from another vaulting pole, and the one end rotation that the lid was kept away from to the vaulting pole is connected with the axis of rotation perpendicular to lid that is used for dragging the last touch panel of wrapping bag and goes up the touch panel, and sliding connection has the lower touch panel that is used for joining in marriage on the base and drags the wrapping bag, and the direction of sliding of lower touch panel is on being parallel to the axis of lid.
By adopting the technical scheme, one end of the opening of the packaging bag filled with the articles is arranged on the base, and the opening of the packaging bag is arranged in the range of the sealing rubber strip. After the buckling cover body is rotated, the vacuum pump is started to pump out air in the packaging bag, and the heating strip is started to thermoplastically seal the opening of the packaging bag, so that the vacuum sealing process can be completed. In the process that the cover body rotates to the base to be buckled, the two upper contact plates are respectively contacted with the packaging bag, the contact points are respectively positioned at two sides of the packaging bag, the upper contact plates and the lower contact plates are matched to clamp the packaging bag, the packaging bag is dragged along with the rotation of the cover body, and the opening part of the packaging bag is leveled before the cover body is buckled. The folding of the opening part of the packaging bag is eliminated, and the sealing effect is improved.
Optionally, sliding connection has the buffer board that is used for connecting the vaulting pole on the lid, and the slip direction of buffer board is parallel with the slip direction of lower touch board, is connected with first elastic component on the buffer board, and the length direction of first elastic component is parallel with the slip direction of buffer board, and buffer board one end is kept away from to first elastic component is connected with the lid.
Through adopting above-mentioned technical scheme, when the upper touch plate cooperatees down the touch plate and pulls the wrapping bag, if the wrapping bag is flattened in advance, continue to pull and have the possibility of damage wrapping bag. The buffer plate is arranged and the first elastic piece is arranged, after the packaging bag is leveled, if the cover body is continuously rotated, the buffer plate and the cover body can slide relatively, so that the situation that the upper touch plate applies excessive tension to the packaging bag is avoided, and the packaging bag is protected.
Optionally, the lower touch plate is connected with a second elastic element, the length direction of the second elastic element is parallel to the sliding direction of the lower touch plate, one end of the second elastic element, which is far away from the lower touch plate, is connected with the base, and when the second elastic element is in a natural state, the lower touch plate is positioned at a position matched with the upper touch plate.
By adopting the technical scheme, after one vacuum sealing is finished, the lower touch plate needs to be manually reset before the sealing work of the next packaging bag is carried out, so that one operation step is added, and the sealing efficiency is affected. The second elastic piece is arranged, when the lower touch plate slides, the second elastic piece generates elastic deformation and stores energy, after sealing is completed, the upper touch plate is separated from the lower touch plate, the second elastic piece rebounds, and the lower touch plate can automatically reset under the driving of the second elastic piece, so that the operation steps are reduced, and the convenience of the vacuum sealing machine is improved.
Optionally, the upper touch plate is rotatably connected with an adjusting block for connecting the stay bar, and the rotation axis of the adjusting block is perpendicular to the rotation axis of the upper touch plate.
Through adopting above-mentioned technical scheme, along with the rotation of lid, the space orientation of the lower surface of going up the touch panel also can constantly change, is difficult to laminate completely with lower touch panel at lid lock in-process, and the effective area of contact to the wrapping bag is not enough, probably leads to the partial tensile strength that bears of wrapping bag too big and damage the wrapping bag, influences the sealing effect. The adjusting block is arranged, the rotation axis of the adjusting block is perpendicular to the rotation axis of the upper touch plate, the lower surface of the upper touch plate can be kept in the space orientation parallel to the upper touch plate all the time in the cover body buckling process, and the sealing effect can be improved through the complete fitting of the lower touch plate all the time.
Optionally, the upper touch plate is close to the lower touch plate side and the lower touch plate is close to the upper touch plate side and is equipped with the slipmat that is used for increasing the coefficient of friction with the wrapping bag.
Through adopting above-mentioned technical scheme, the slipmat adopts soft rubber material to make, has higher coefficient of friction, can increase the biggest static friction between upper touch plate and lower touch plate and the wrapping bag under the same pressure, helps pulling the wrapping bag more firmly to provide certain protection to the wrapping bag.
Optionally, the spout has been seted up on the diapire of sealed chamber, sliding connection has the piston in the spout, sealed chamber one end is kept away from to the piston is connected with first rack, the length direction of first rack is on a parallel with the slip direction of piston, rotate on the base be connected with first gear of first rack meshing, first gear coaxial fixedly connected with first belt pulley, the heating strip is including setting up the upper stripe on the lid and setting up the lower stripe on the base, lower stripe sliding connection is perpendicular with the upper surface of base on the base and the slip direction of lower stripe, be connected with the second rack on the lower stripe, the length direction of second rack is on a parallel with the slip direction of lower stripe, rotate on the base be connected with the second gear of second rack meshing, second gear coaxial fixedly connected with second belt pulley, be connected with the belt that is used for the transmission between first belt pulley and the second belt pulley, when the piston slides to being close to sealed chamber direction, lower stripe slides to being close to the upper stripe direction.
Through adopting above-mentioned technical scheme, lid and base lock back, the wrapping bag is pressed from both sides between two heating strips, in order to guarantee sealed effect, and the clearance between upper stripe and the lower stripe is less that the usual setting, and air passing efficiency is lower, influences the efficiency of evacuation. The lower strip sliding connection is on the base, and the lid is after base lock, and the upper strip is not contacted with the lower strip, along with the progression of evacuation process, and the pressure in the sealed chamber reduces, and the piston slides to being close to sealed chamber direction, and the lower strip slides to being close to the upper strip direction to the cooperation with the upper strip is with the wrapping bag fastening gradually, not only does not influence the effect of sealing, still helps improving the efficiency of evacuation.
Optionally, an air pressure sensor for measuring air pressure in the sealing cavity is arranged on the base.
Through adopting above-mentioned technical scheme, set up air pressure sensor, help monitoring at any time sealed chamber and the interior atmospheric pressure intensity of packing, and then master the progress of evacuation work.
Optionally, a detection control circuit is arranged on the base, and the detection control circuit comprises an induction module, a comparison module and a control module:
the sensing module comprises an air pressure sensor, wherein the air pressure sensor is arranged on the base, is used for measuring the air pressure in the sealing cavity and outputting a sensing signal;
the comparison module is electrically connected with the induction module and is used for receiving an induction signal of the induction module, when the comparison module receives the induction signal, the voltage value corresponding to the induction signal is compared with a preset voltage value, if the voltage value of the induction signal is smaller than the preset voltage value, the comparison module outputs a starting signal, and the preset voltage value corresponds to the air pressure intensity in the sealing cavity when the vacuumizing work is completed;
the control module is electrically connected with the comparison module and is used for receiving a starting signal of the comparison module, and when the control module receives the starting signal, the control module outputs a control signal which controls the heating strip to be started.
Through adopting above-mentioned technical scheme, the atmospheric pressure sensor of response module measures the atmospheric pressure in the sealed chamber and exports the response signal, comparison module receives the response signal, comparison module compares the voltage value of received response signal with predetermineeing the voltage value, predetermineeing the voltage value and corresponding the atmospheric pressure intensity in the sealed chamber when the evacuation work is accomplished, if the voltage value that the response signal corresponds is less than predetermineeing the voltage value, then output start signal, control module receives start signal, output control signal, control signal control heating strip is opened, seal the wrapping bag, can open the heating strip automatically when the evacuation work is accomplished and seal the work, help reducing the operation step, strengthen convenient degree.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the packaging bag opening part has a certain degree of folds, the direct vacuumizing thermoplastic sealing can influence the sealing effect, a supporting rod is arranged and is connected with an upper touch plate, the touch plate is continuously close to the packaging bag and a lower touch plate in the process of rotating and buckling the cover body to the base until the two upper touch plates are respectively contacted with the packaging bag, the contact points are respectively positioned at two sides of the packaging bag, the upper touch plate and the lower touch plate are matched to clamp the packaging bag, and the packaging bag is dragged along with the continuous rotation of the cover body, the opening part of the packaging bag is leveled before the cover body is buckled, so that the folds of the opening part of the packaging bag are eliminated, and the sealing effect is improved;
2. the space orientation of the upper touch plate is also changed continuously in the process of rotating and buckling the cover body to the base, the upper touch plate is difficult to be completely attached to the lower touch plate in the process of buckling the cover body, the effective contact area of the packaging bag is insufficient, the packaging bag is possibly damaged, the adjusting block is arranged, the rotating axis of the adjusting block is perpendicular to the rotating axis of the upper touch plate, the angle of the upper touch plate can be adjusted in the process of buckling the cover body, the lower surface of the upper touch plate is always kept to be parallel to the space orientation of the upper touch plate, and then the lower touch plate is always completely attached to the upper touch plate, so that the sealing effect is improved;
3. under lid and the base lock state, the wrapping bag is pressed from both sides between two heating strips, in order to make the wrapping bag be heated fully and then guarantee sealed effect, the clearance between upper and lower strips is less that the clearance generally set up, result in the air in the wrapping bag to pass through inefficiency, influence the efficiency of evacuation, lower strip sliding connection is on the base, lid and base lock back, the upper strip does not contact with lower strip, along with the progression of evacuation process, the pressure in the sealed chamber reduces, the piston slides to being close to sealed chamber direction, lower strip slides to being close to the upper strip direction, gradually with the cooperation of upper strip with the wrapping bag step up, not only do not influence the sealed effect, still help improving the efficiency of evacuation.
Drawings
Fig. 1 is a schematic overall structure of an embodiment of the present application.
Fig. 2 is an enlarged schematic view of the portion a in fig. 1.
Fig. 3 is a schematic view showing the structure of the buffer plate in the embodiment of the present application.
Fig. 4 is an enlarged schematic view of a portion B in fig. 3.
Fig. 5 is a schematic view showing an internal structure of a chute according to an embodiment of the present application.
Fig. 6 is a schematic view for showing the internal structure of the first pulley in the embodiment of the present application.
Fig. 7 is a schematic view showing the structure of a belt in the embodiment of the present application.
Fig. 8 is a schematic diagram for showing the sensing module, the comparing module and the control module in the embodiment of the present application.
Reference numerals illustrate: 1. a base; 11. sealing the cavity; 111. a vacuum pump; 112. a chute; 113. a piston; 12. a sealing rubber strip; 13. a lower touch plate; 131. an anti-slip pad; 14. a second elastic member; 15. an air pressure sensor; 2. a cover body; 21. a brace rod; 211. an upper touch plate; 212. an adjusting block; 22. a torsion spring; 23. a buffer plate; 24. a first elastic member; 3. a heating strip; 31. winding; 32. blanking; 41. a first rack; 42. a first gear; 43. a first pulley; 51. a second rack; 52. a second gear; 53. a second pulley; 6. a belt; 7. an induction module; 8. a comparison module; 9. and a control module.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
The embodiment of the application discloses a vacuum sealing machine for packaging.
Referring to fig. 1, a vacuum sealing machine for packaging comprises a base 1 and a cover 2, wherein the cover 2 is rotatably connected to the base 1, and the cover 2 and the base 1 can be opened and closed by rotation. The upper surface of the base 1 is provided with a sealing cavity 11, and a vacuum pump 111 is arranged in the sealing cavity 11 to pump out air in the sealing cavity 11. And sealing rubber strips 12 are arranged on the base 1 and the cover body 2, and the sealing rubber strips 12 are arranged in a head-to-tail mode. And the base 1 and the cover body 2 are provided with heating strips 3 for heating the plastic package bags. The opening part of the packaging bag can form a certain degree of folds, and if the folded packaging bag opening is directly pressed and vacuumized for thermoplastic sealing, the sealing effect of the sealing can be affected. This application is provided with two upper touch panels 211 and two lower touch panels 13, at the lid 2 to the in-process of base 1 rotation lock, two upper touch panels 211 respectively with the wrapping bag contact, the contact point is located the both sides of wrapping bag respectively, upper touch panel 211 and 13 cooperation centre gripping wrapping bag down to pull the wrapping bag gradually along with the rotation of lid 2, draw the wrapping bag opening part flat, help eliminating the fold of wrapping bag opening part, improve sealed effect.
Referring to fig. 2 and 3, one end of the cover 2, which is close to the base 1, is rotatably connected with two supporting rods 21, the two supporting rods 21 are respectively located at two sides of the length direction of the cover 2, the rotation axis of each supporting rod 21 is perpendicular to the rotation axis of the cover 2, a torsion spring 22 is connected between each supporting rod 21 and the cover 2, and is used for limiting the initial inclination angle of each supporting rod 21, and when the torsion spring 22 is in a natural state, one end, which is far away from the cover 2, of each supporting rod 21 is inclined towards a direction away from the other supporting rod 21. The upper touch plate 211 is rotatably connected to one end of the supporting rod 21 far away from the cover 2, the rotation axis of the upper touch plate 211 is perpendicular to the rotation axis of the cover 2, the lower touch plate 13 is slidably connected to the base 1, and the sliding direction of the lower touch plate 13 is parallel to the rotation axis of the cover 2. In the process of rotating and buckling the cover body 2 to the base 1, after the upper contact plate 211 and the lower contact plate 13 are in interval package abutting connection, the inclination angle of the supporting rod 21 is gradually increased, the upper contact plate 211 is driven to move, and the upper contact plate 211 moves the lower contact plate 13 to slide in the same direction to match with and drag the packaging bag.
Referring to fig. 2 and 4, when the upper touch panel 211 cooperates with the lower touch panel 13 to drag the package bag, if the package bag is leveled before the cover 2 is fastened with the base 1, the remaining fastening process will continue to drag the package bag, which may damage the package bag. The cover body 2 is slidably connected with a buffer plate 23, the stay bar 21 is rotatably connected with the buffer plate 23, and the sliding direction of the buffer plate 23 is the same as that of the lower touch plate 13. The buffer plate 23 is connected with the first elastic piece 24, the length direction of the first elastic piece 24 is parallel with the sliding direction of the buffer plate 23, one end of the first elastic piece 24, which is far away from the buffer plate 23, is connected with the cover body 2, after the packaging bag is leveled, if the cover body 2 is continuously rotated, relative sliding can occur between the buffer plate 23 and the cover body 2, the buffer effect is achieved, the excessive pulling force applied to the packaging bag by the upper touch plate 211 is avoided, and the risk that the packaging bag is damaged is reduced.
Referring to fig. 2, after completing one vacuum pumping and sealing operation, before performing the sealing operation of the next package, an operator is required to manually reset the lower touch panel 13 so as to be able to continue to cooperate with the upper touch panel 211 during the next sealing operation, which increases the complexity of the operation and affects the sealing efficiency. The lower touch plate 13 is connected with a second elastic piece 14, the second elastic piece 14 is made of a spring, the length direction of the second elastic piece 14 is parallel to the sliding direction of the lower touch plate 13, and one end, away from the lower touch plate 13, of the second elastic piece 14 is connected with the base 1. When the lower touch plate 13 slides, the second elastic piece 14 generates elastic deformation and stores energy, after sealing is completed, the upper touch plate 211 is separated from the lower touch plate 13, the second elastic piece 14 rebounds and gradually returns to a natural state, and the lower touch plate 13 automatically returns to a position matched with the upper touch plate 211, so that the operation steps are reduced, and the convenience of the vacuum sealing machine is improved.
Referring to fig. 2, during the rotation of the cover 2, the space orientation of the upper touch plate 211 is also changed continuously, and the upper touch plate 211 is difficult to be attached to the lower touch plate 13 in a complete parallel manner during the buckling process of the cover 2, so that the effective force application area of the packaging bag is insufficient, the packaging bag may be damaged, an adjusting block 212 for connecting the supporting rod 21 is connected to the upper touch plate 211 in a rotating manner, and the rotating axis of the adjusting block 212 is perpendicular to the rotating axis of the upper touch plate 211. The lower surface of the upper touch plate 211 can always keep the space orientation parallel to the upper touch plate 211 in the buckling process of the cover body 2, and then always completely fit with the lower touch plate 13, thereby being beneficial to improving the sealing effect.
Referring to fig. 2, the side of the upper touch plate 211 close to the lower touch plate 13 and the side of the lower touch plate 13 close to the upper touch plate 211 are both provided with an anti-slip pad 131, the anti-slip pad 131 is made of soft rubber material, and has a higher friction coefficient, and the maximum static friction force between the upper touch plate 211 and the lower touch plate 13 and the packaging bag can be increased under the same pressure, so that the packaging bag can be pulled more firmly, and a certain protection is provided for the packaging bag.
Referring to fig. 5, 6 and 7, after the cover body 2 is buckled with the base 1, the packaging bag is clamped between the two heating strips 3, in order to enable the heating strips 3 to be clung to the packaging bag when in heating plastic packaging and further guarantee sealing effect, a gap between the two heating strips 3 is usually smaller, the packaging bag can be clamped between the two heating strips 3, and the efficiency of air in the packaging bag passing through the position is lower, so that the vacuumizing efficiency is affected. The bottom wall of the sealing cavity 11 is provided with a chute 112 communicated with the outside of the base 1, the chute 112 is connected with a piston 113 in a sliding manner, and the piston 113 can slide along with the air pressure difference at two ends. The end of the piston 113 remote from the seal chamber 11 is connected to a first rack 41, and the length direction of the first rack 41 is parallel to the sliding direction of the piston 113. The base 1 is rotatably connected with a first gear 42 meshed with the first rack 41, and the first gear 42 is coaxially and fixedly connected with a first belt pulley 43. The heating strip 3 includes an upper strip 31 and a lower strip 32, the upper strip 31 is mounted on the cover 2, the lower strip 32 is slidably connected to the base 1, and a sliding direction of the lower strip 32 is perpendicular to an upper surface of the base 1. The lower strip 32 is connected with a second rack 51, the length direction of the second rack 51 is parallel to the sliding direction of the lower strip 32, the base 1 is rotatably connected with a second gear 52 meshed with the second rack 51, the second gear 52 is coaxially and fixedly connected with a second belt pulley 53, and a belt 6 is connected between the first belt pulley 43 and the second belt pulley 53 and used for transmission between the first belt pulley 43 and the second belt pulley 53.
Referring to fig. 5 and 7, after the cover 2 is buckled with the base 1, the upper strip 31 is not contacted with the lower strip 32, along with the vacuum pumping process, the pressure in the sealing cavity 11 is reduced, the piston 113 slides towards the direction close to the sealing cavity 11 to drive the first rack 41 to move in the same direction, the first gear 42 and the first belt pulley 43 are driven to rotate, the first belt pulley 43 drives the second belt pulley 53 to rotate through the belt 6, the second gear 52 rotates along with the second belt pulley 53 to drive the second rack 51 to drive the lower strip 32 to slide towards the direction close to the upper strip 31, the lower strip 32 is gradually matched with the upper strip 31 to tighten the packaging bag, the upper strip 31 is not abutted with the lower strip 32 in the vacuum pumping process, the air passing efficiency is high, the sealing effect is not affected, and the vacuum pumping efficiency is improved.
Referring to fig. 1, a base 1 is provided with an air pressure sensor 15 for measuring the air pressure in a sealed chamber 11. The air pressure intensity in the sealing cavity 11 and the package can be monitored at any time, so that the progress of the vacuumizing operation can be mastered.
Referring to fig. 1 and 8, a detection control circuit is provided on the base 1, and the detection control circuit includes an induction module 7, a comparison module 8 and a control module 9:
the sensing module 7 comprises an air pressure sensor 15 for detecting air pressure in the sealing cavity 11 and outputting a sensing signal;
a comparison module 8 comprising:
the positive input end of the comparator T is electrically connected with the output end of the air pressure sensor 15;
the base electrode of the triode Q is electrically connected with the output end of the comparator T;
the resistor R1, one end of the resistor R1 is electrically connected with the collector electrode of the triode Q, and the other end of the resistor R1 is electrically connected with the power supply VCC;
an electromagnetic coil KA1 of the relay, wherein one end of the electromagnetic coil KA1 of the relay is electrically connected with an emitter of the triode Q;
one end of the resistor R2 is electrically connected with one end of the electromagnetic coil KA1 of the relay, which is far away from the triode Q, and the other end of the resistor R2 is grounded;
a control module 9 comprising:
one end of the normally open switch KA1-1 of the relay is electrically connected between the electromagnetic coil KA1 and the resistor R2 of the relay;
the heating strip 3, one end of the heating strip 3 is electrically connected with one end of a normally open switch KA1-1 of the relay, which is far away from the resistor R2;
and one end of the resistor R3 is electrically connected with one end of the heating strip 3, which is far away from the normally open switch KA1-1 of the relay, and the other end of the resistor R3 is grounded.
Referring to fig. 1 and 8, the air pressure sensor 15 of the sensing module 7 measures the air pressure in the sealed cavity 11 and outputs a sensing signal, the comparing module 8 receives the sensing signal, the comparing module 8 compares the voltage value of the received sensing signal with a preset voltage value, the preset voltage value corresponds to the air pressure in the sealed cavity 11 when the vacuumizing operation is completed, if the voltage value corresponding to the sensing signal is smaller than the preset voltage value, a start signal is output, the control module 9 receives the start signal, outputs a control signal, controls the heating strip 3 to be opened, seals the packaging bag, can automatically open the heating strip 3 to seal when the vacuumizing operation is completed, and is beneficial to reducing operation steps, enhancing convenience and reducing operation errors.
The implementation principle of the vacuum sealing machine for packaging is as follows: the articles are packed into the packing bag, one open end of the packing bag is arranged on the upper surface of the base 1, and the opening of the packing bag is arranged in the range of the sealing rubber strip 12. The buckling cover body 2 is rotated towards the direction of the base 1, in the process that the cover body 2 is rotated towards the base 1 to be buckled, the two upper contact plates 211 are respectively contacted with the packaging bag in the moving process, the contact points are respectively positioned at two sides of the packaging bag, the upper contact plates 211 and the lower contact plates 13 are matched to clamp the packaging bag, along with the rotation of the cover body 2, the inclination angle of the supporting rod 21 is gradually reduced and gradually tends to be horizontal, the upper contact plates 211 and the lower contact plates 13 are driven to be matched to drag the packaging bag, and the opening part of the packaging bag is leveled before the cover body 2 is buckled. The folding of the opening part of the packaging bag is eliminated, and the sealing effect is improved.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (6)
1. The utility model provides a vacuum capper for packing, includes base (1) and rotates lid (2) of being connected on base (1), has seted up sealed chamber (11) on base (1), is equipped with vacuum pump (111) that are used for the evacuation in sealed chamber (11), all is equipped with joint strip (12) on base (1) and lid (2), all is equipped with on base (1) and the lid (2) and is used for thermoplastic sealed heating strip (3), its characterized in that: the cover body (2) is rotationally connected with two support rods (21) and the rotation axis of the support rods (21) is perpendicular to the rotation axis of the cover body (2), a torsion spring (22) is connected between the support rods (21) and the cover body (2), when the torsion spring (22) is in a natural state, one end of the support rods (21) far away from the cover body (2) inclines towards the direction far away from the other support rods (21), one end of the support rods (21) far away from the cover body (2) is rotationally connected with an upper touch plate (211) for dragging a packaging bag, the rotation axis of the upper touch plate (211) is perpendicular to the rotation axis of the cover body (2), the base (1) is slidingly connected with a lower touch plate (13) for matching the upper touch plate (211) to drag the packaging bag, the sliding direction of the lower touch plate (13) is parallel to the rotation axis of the cover body (2), the cover body (2) is slidingly connected with a buffer plate (23) for connecting the support rods (21), the sliding direction of the buffer plate (23) is parallel to the sliding direction of the lower touch plate (13), the buffer plate (23) is connected with a first elastic piece (24) and the first elastic piece (24) is parallel to the first elastic piece (24) and is parallel to the first end (24) of the buffer piece (24), an adjusting block (212) used for connecting the supporting rod (21) is rotatably connected to the upper touch plate (211), and the rotation axis of the adjusting block (212) is perpendicular to the rotation axis of the upper touch plate (211).
2. A vacuum sealer for packaging as claimed in claim 1, wherein: the lower touch plate (13) is connected with a second elastic piece (14), the length direction of the second elastic piece (14) is parallel to the sliding direction of the lower touch plate (13), one end, away from the lower touch plate (13), of the second elastic piece (14) is connected with the base (1), and when the second elastic piece (14) is in a natural state, the lower touch plate (13) is located at a position matched with the upper touch plate (211).
3. A vacuum sealer for packaging as claimed in claim 1, wherein: and the side of the upper touch plate (211) close to the lower touch plate (13) and the side of the lower touch plate (13) close to the upper touch plate (211) are respectively provided with an anti-slip pad (131) for increasing the friction coefficient with the packaging bag.
4. A vacuum sealer for packaging as claimed in claim 1, wherein: a sliding groove (112) is formed in the bottom wall of the sealing cavity (11), a piston (113) is connected in the sliding way in the sliding groove (112), one end, far away from the sealing cavity (11), of the piston (113) is connected with a first rack (41), the length direction of the first rack (41) is parallel to the sliding direction of the piston (113), a first gear (42) meshed with the first rack (41) is connected to the base (1) in a rotating way, a first belt pulley (43) is fixedly connected to the first gear (42) in a coaxial way, the heating strip (3) comprises an upper strip (31) arranged on the cover body (2) and a lower strip (32) arranged on the base (1), the lower strip (32) is connected to the base (1) in a sliding way, the sliding direction of the lower strip (32) is perpendicular to the upper surface of the base (1), a second rack (51) is connected to the lower strip (32), a second gear (52) meshed with the second rack (51) is connected to the base (1) in a rotating way, the second gear (52) is connected to the second gear (52) in a coaxial way, and the second gear (52) is fixedly connected to the second belt pulley (53) in a sliding way, and is close to the second belt pulley (53) and is connected to the second belt pulley (11) in a sliding way, and is close to the second belt pulley (53), the lower strip (32) slides in a direction approaching the upper strip (31).
5. A vacuum sealer for packaging as claimed in claim 1, wherein: the base (1) is provided with an air pressure sensor (15) for measuring the air pressure of the sealing cavity (11).
6. A vacuum sealer for packaging as claimed in claim 5, wherein: the base (1) is provided with a detection control circuit, and the detection control circuit comprises an induction module (7), a comparison module (8) and a control module (9):
the sensing module (7) comprises an air pressure sensor (15), wherein the air pressure sensor (15) is arranged on the base (1) and is used for measuring the air pressure in the sealing cavity (11) and outputting a sensing signal;
the comparison module (8), the comparison module (8) is electrically connected with the induction module (7), the comparison module (8) is used for receiving an induction signal of the induction module (7), when the comparison module (8) receives the induction signal, the voltage value corresponding to the induction signal is compared with a preset voltage value, if the voltage value of the induction signal is smaller than the preset voltage value, the comparison module (8) outputs a starting signal, and the preset voltage value corresponds to the air pressure intensity in the sealing cavity (11) when the vacuumizing work is completed;
the control module (9), control module (9) are connected with comparison module (8) electricity, and control module (9) are used for receiving the start signal of comparison module (8), and when control module (9) received the start signal, output control signal, control signal control heating strip (3) are opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311411677.XA CN117141806B (en) | 2023-10-30 | 2023-10-30 | Vacuum sealing machine for packaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311411677.XA CN117141806B (en) | 2023-10-30 | 2023-10-30 | Vacuum sealing machine for packaging |
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| CN117141806A CN117141806A (en) | 2023-12-01 |
| CN117141806B true CN117141806B (en) | 2024-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN112623343A (en) * | 2020-11-25 | 2021-04-09 | 申凯宁 | Vacuum sealing packaging machine |
| CN216154118U (en) * | 2021-09-15 | 2022-04-01 | 冯梅军 | Multifunctional vacuum sealing machine |
| CN219447428U (en) * | 2023-03-15 | 2023-08-01 | 铜陵美子园农特产品加工有限公司 | Vacuum packaging equipment for processing pickled food |
| CN219619462U (en) * | 2023-04-17 | 2023-09-01 | 厦门琢成电器有限公司 | Vacuum sealing machine capable of ensuring heat sealing effect |
| CN116714831A (en) * | 2023-08-09 | 2023-09-08 | 苏州吉辉机电科技有限公司 | Small vacuum packing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10822130B2 (en) * | 2017-06-21 | 2020-11-03 | Bonsen Electronics Limited | Household vacuum sealer and bag-cutting sealing method |
| US11753196B2 (en) * | 2020-11-11 | 2023-09-12 | Hamilton Beach Brands, Inc. | Vacuum sealer and method of sealing same |
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2023
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112623343A (en) * | 2020-11-25 | 2021-04-09 | 申凯宁 | Vacuum sealing packaging machine |
| CN216154118U (en) * | 2021-09-15 | 2022-04-01 | 冯梅军 | Multifunctional vacuum sealing machine |
| CN219447428U (en) * | 2023-03-15 | 2023-08-01 | 铜陵美子园农特产品加工有限公司 | Vacuum packaging equipment for processing pickled food |
| CN219619462U (en) * | 2023-04-17 | 2023-09-01 | 厦门琢成电器有限公司 | Vacuum sealing machine capable of ensuring heat sealing effect |
| CN116714831A (en) * | 2023-08-09 | 2023-09-08 | 苏州吉辉机电科技有限公司 | Small vacuum packing machine |
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