CN217970075U - Product packaging vacuumizing shaping device capable of being stably pressurized and automatic production line - Google Patents

Abstract

The utility model discloses a product packaging vacuumizing shaping device capable of being stably pressurized and an automatic production line, wherein the product packaging vacuumizing shaping device capable of being stably pressurized comprises a conveying belt, an upper shell arranged above the conveying belt, a lifting mechanism used for driving the upper shell to move up and down, a shaping mechanism used for pressing down a product to be packaged on the conveying belt, and a locking mechanism arranged below the conveying belt; go up the casing and be used for lock to the conveyer belt on and enclose jointly into first cavity with the conveyer belt, go up the casing and be equipped with the first gas coupling with first cavity intercommunication, first gas coupling is used for being connected with the vacuum pump, and locking mechanism is used for being fixed in the conveyer belt with last casing locking. The utility model provides a can stabilize pressor product packaging evacuation shaping device accessible locking mechanism will go up the casing locking and be fixed in the conveyer belt on, effectively avoid going up the relative conveyer belt of casing and remove the pine and take off, promote the stability of casing, guarantee to go up the sealed effect between casing and the conveyer belt.

Description

Product packaging vacuumizing and shaping device capable of stably pressurizing and automatic production line

Technical Field

The utility model relates to a vacuum packaging equipment technical field especially relates to a can stabilize pressor product packaging evacuation shaping device and adopt can stabilize pressor product packaging evacuation shaping device's automatic production line.

Background

At present, vacuum packaging products are regular and flat in shape, convenient to stack and store and attractive and elegant in appearance, and the air in the vacuum packaging products is evacuated, so that the vacuum packaging products are more favorable for product preservation, the quality guarantee period is prolonged, and people's favor is gradually gained. The traditional vacuum-pumping shaping equipment generally arranges a box body which can be lifted and moved above a product conveying belt, and arranges a shaping mechanism in the box body. The working principle is that the product to be packaged is firstly transmitted to the conveying belt, then the box body is driven to descend and is buckled on the product to be packaged of the conveying belt, the box body and the conveying belt jointly form a sealed cavity through enclosing, the product to be packaged is pressed downwards through a shaping mechanism in the sealed cavity, the product to be packaged is subjected to flat pressing, extruding and leveling forming, and finally the sealed cavity is subjected to vacuum pumping treatment, so that the vacuum pumping process of the product to be packaged is completed.

However, because plastic mechanism can reverse the push-up box at the in-process of pressing down and treating the packing product, cause the box to break away from the conveyer belt, influence the sealed effect between box and the conveyer belt, consequently need provide bigger holding down force for the box and just can guarantee the inseparable lock of box on the conveyer belt, not only improved equipment cost and use cost, still can be because two elevating system's effect opposite direction and mutual interference, influence life to lead to the plastic dynamics inequality, influence the plastic effect.

SUMMERY OF THE UTILITY MODEL

The utility model discloses it is first-hand to provide a can stabilize pressor product packaging evacuation shaping device to solve the sealed effect of current evacuation shaping device poor and the technical problem of the unable accurate control of plastic pressure.

The utility model also provides an automatic production line adopts above-mentioned pressor product packaging evacuation shaping device of can stabilizing.

According to a first aspect of the present invention, a vacuum-pumping shaping device for packaging products capable of being stably pressurized is provided, which comprises a conveying belt for conveying products to be packaged, an upper housing disposed above the conveying belt, a lifting mechanism connected to the upper housing and used for driving the upper housing to move up and down, and a shaping mechanism disposed inside the upper housing and used for pressing down the products to be packaged on the conveying belt;

the upper shell is used for being buckled on the conveying belt and enclosing with the conveying belt to form a first cavity, a first gas pipe joint communicated with the first cavity is arranged on the upper shell, and the first gas pipe joint is used for being connected with a vacuum pump;

the product packaging vacuumizing and shaping device capable of stably pressurizing further comprises a locking mechanism arranged below the conveying surface of the conveying belt, and the locking mechanism is used for locking and fixing the upper shell on the conveying belt.

Preferably, a lock catch assembly is arranged on the side wall of the upper shell, and the lock catch assembly is used for being driven by the upper shell when the upper shell is buckled on the conveying belt so as to extend into the lower part of the conveying surface of the conveying belt from the lateral direction of the conveying belt;

the locking mechanism comprises a locking driving assembly and a bolt connected with the locking driving assembly, and the locking driving assembly is used for driving the bolt to be inserted into or separated from the lock catch assembly.

Furthermore, the two ends of the upper shell along the width direction of the upper shell are respectively provided with the locking components, and the locking mechanisms and the locking components are arranged in a one-to-one correspondence manner.

Furthermore, locking mechanism still includes along the direction of movement extension setting's of bolt guide assembly, the bolt is worn to locate in the guide assembly and is used for along guide assembly direction slip.

Preferably, the bottom edge of the upper shell is provided with a clamping groove, and the product packaging vacuumizing and shaping device capable of stably pressurizing further comprises a sealing strip which is embedded in the clamping groove and used for abutting against the conveying belt.

Preferably, the product packaging vacuumizing and shaping device capable of stably pressurizing further comprises a lower shell arranged below the conveying surface of the conveying belt, the lower shell abuts against the bottom surface of the conveying belt and is provided with a second cavity, a plurality of adsorption holes communicated with the second cavity are distributed in the top surface of the lower shell, the lower shell is provided with a second air pipe joint communicated with the second cavity, and the second air pipe joint is used for being connected with the vacuum pump;

the locking mechanism is arranged on the lower shell and used for interlocking and fastening the upper shell and the lower shell.

Preferably, the bottom surface of the lower shell is provided with an installation groove, and the locking mechanism is installed in the installation groove.

Preferably, the lower casing includes an outer casing and an inner casing disposed in the outer casing, the second cavity is enclosed by the inner casing, the outer casing extends in a horizontal direction to form a support section, and a vertical projection of the support section on the conveyor belt is located outside a vertical projection of the upper casing on the conveyor belt.

Preferably, the outer shell is provided with a third cavity, the inner shell and the locking mechanism are both arranged in the third cavity, and the locking mechanism is arranged outside the second cavity.

According to the utility model discloses a second aspect still provides an automatic production line, including the aforesaid can stabilize pressor product packaging evacuation shaping device.

The utility model discloses following beneficial effect has:

the utility model provides a can stabilize pressor product packaging evacuation shaping device is equipped with locking mechanism in the transfer surface below of conveyer belt, on last casing lock to conveyer belt and with the conveyer belt enclose synthetic first cavity jointly, will go up casing locking through locking mechanism and be fixed in on the conveyer belt, effectively avoid going up the relative conveyer belt of casing and remove the pine and take off, promote the stability of casing, guarantee the sealed effect between casing and the conveyer belt, in-process with waiting to pack the product at the plastic mechanism pushes down can not reverse promotion go up the casing, need not to provide bigger pushing down force for last casing and resist plastic mechanism's reverse effort, effectively reduce equipment cost and use cost, and make elevating system and plastic mechanism's effort can not interfere each other, promote life, make plastic mechanism can realize stable pressurization, guarantee that the plastic dynamics is even, promote the plastic effect.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:

fig. 1 is a perspective view of a vacuum-pumping shaping device for packaging a product which can be stably pressurized according to an embodiment of the present invention;

FIG. 2 is a top view of the stable pressurized product package vacuum forming device shown in FIG. 1;

FIG. 3 isbase:Sub>A cross-sectional view A-A of the stable pressurized product package vacuum forming device of FIG. 2;

fig. 4 is a cross-sectional view of the stable pressurized product package vacuum forming device shown in fig. 2 taken along the direction B-B.

Illustration of the drawings:

1000. a product packaging vacuumizing and shaping device capable of stably pressurizing; 1. a conveyor belt; 2. an upper housing; 21. a first cavity; 22. a first gas pipe connection; 23. a guide hole; 24. a card slot; 25. a latch assembly; 251. a pin hole; 3. a lifting mechanism; 31. a lifting cylinder; 4. a shaping mechanism; 41. a lift drive assembly; 411. a shaping cylinder; 42. flattening the plate; 5. a lower housing; 501. a housing; 502. an inner shell; 51. a second cavity; 52. an adsorption hole; 53. a second air pipe joint; 54. a support section; 55. a third cavity; 56. mounting grooves; 6. a locking mechanism; 61. locking the driving assembly; 62. a bolt; 63. a guide assembly; 2000. and (5) packaging the product.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered below.

Fig. 1 to fig. 4 show jointly that the embodiment of the utility model provides a can stabilize pressor product packaging evacuation shaping device, it is used for treating the packing product and carries out plastic and evacuation packing operation, can guarantee that product packaging's shape and plane degree meet the requirements, ensures that the packing is level and smooth, promotes the packing effect.

As shown in fig. 1 and 2, the apparatus 1000 for vacuum-pumping and shaping a product package capable of being stably pressurized includes a conveyor belt 1, an upper housing 2, a lifting mechanism 3, a shaping mechanism 4, and a lower housing 5. The conveying belt 1 is used for placing a product 2000 to be packaged and driving the product 2000 to be packaged to move along a predetermined track, so as to convey the product 2000 to be packaged from a previous process to a next process. Go up casing 2 and locate the top of conveyer belt 1, the bottom surface of going up casing 2 is equipped with the opening, go up casing 2 be used for the lock extremely on the conveyer belt 1 and with conveyer belt 1 encloses jointly synthetic first cavity 21 (shown in fig. 3 and 4), go up casing 2 be equipped with the first coupling of air pipe 22 of first cavity 21 intercommunication. The lifting mechanism 3 is connected to the upper housing 2 and is configured to drive the upper housing 2 to move up and down, so as to drive the upper housing 2 to descend to a state buckled on the conveyor belt 1, or drive the upper housing 2 to ascend to a state separated from the conveyor belt 1. The shaping mechanism 4 is disposed in the upper housing 2 and is used for pressing down the product 2000 to be packaged on the conveyor belt 1, so as to perform flat pressing, extruding, leveling and forming on the product 2000 to be packaged on the conveyor belt 1.

Further, the conveyer belt 1 includes a conveying surface and a revolution surface that form a closed loop structure by connecting end to end, the conveying surface is used for supporting the product 2000 to be packaged and driving the product 2000 to be packaged to move, the revolution surface is arranged at an interval relative to the conveying surface, the revolution surface is specifically arranged below the conveying surface or arranged on a side edge of the conveying surface, and the upper shell 2 is used for enclosing the first cavity 21 together with the conveying surface of the conveyer belt 1.

Referring to fig. 3, the lower housing 5 is disposed below the conveying surface of the conveyor belt 1, the lower housing 5 abuts against the bottom surface of the conveyor belt 1 and is provided with a second cavity 51 (shown in fig. 3), a plurality of adsorption holes 52 communicated with the second cavity 51 are distributed on the top surface of the lower housing 5, the lower housing 5 is provided with a second air pipe joint 53 communicated with the second cavity 51, and the first air pipe joint 22 and the second air pipe joint 53 are both used for connecting with a vacuum pump (not shown, the same below).

Specifically, the working process of the vacuum shaping device 1000 for packaging products capable of being stably pressurized is as follows: the product 2000 to be packaged is conveyed to a preset position through the conveying belt 1, then the lifting mechanism 3 drives the upper shell 2 to descend to buckle the product 2000 to be packaged on the conveying belt 1, so that the product 2000 to be packaged is placed in the first cavity 21, then the shaping mechanism 4 extrudes and shapes the product 2000 to be packaged in the first cavity 21, so that the upper surface and the lower surface of the product 2000 to be packaged are both flattened, and finally the first cavity 21 is pumped out along the first air pipe joint 22 through a vacuum pump so as to pump out the gas in the product 2000 to be packaged to realize vacuum pumping.

It should be noted that, while the first cavity 21 is evacuated, the second cavity 51 is also evacuated along the second air tube joint 53 by the vacuum pump, so that the adsorption holes 52 generate an adsorption force to adsorb the conveyer belt 1 to the top surface of the lower housing 5, the flat state of the conveyer belt 1 is maintained, and the bottom surface of the product to be packaged 2000 is prevented from being deformed.

The product packaging vacuumizing shaping device 1000 capable of stably pressurizing is arranged below the conveying belt 1, the lower shell 5 is communicated with the second cavity 51 in the lower shell 5 through negative pressure gas, so that the plurality of adsorption holes 52 in the lower shell 5 can simultaneously generate suction force, the whole suction force is uniform and stable, the conveying belt 1 is firmly adsorbed on the top surface of the lower shell 5, the conveying belt 1 is kept in a flat state, and further, when vacuumizing operation is performed on a product 2000 to be packaged in the first cavity 21, the conveying belt 1 is effectively prevented from being deformed under the action of vacuum adsorption force in the first cavity 21, one surface, attached to the conveying belt 1, of a product package can be kept flat, the shape and the flatness of the vacuum package are guaranteed to meet requirements, and the packaging effect is improved. Secondly, the conveyer belt 1 can be stably adsorbed to a fixed position by utilizing the adsorption force generated by the lower shell 5, the operation of the conveyer belt 1 can be stopped in time when the product 2000 to be packaged moves to a preset position, the brake is carried out in time, the product 2000 to be packaged is prevented from continuously moving forwards due to inertia, the accuracy of the shaping and vacuumizing positions is ensured, and the packaging effect is further improved.

In practical application, the first air pipe joint 22 and the second air pipe joint 53 may be respectively butted with different vacuum pumps, so as to respectively evacuate the first cavity 21 and the second cavity 51 through the different vacuum pumps, so that the air pressures in the first cavity 21 and the second cavity 51 are different, and the requirements of the product 2000 to be packaged for vacuum-pumping treatment and the requirements of the conveyor belt 1 for suction force can be respectively met.

In other embodiments, the first air pipe joint 22 and the second air pipe joint 53 may also be connected to the same vacuum pump, and two sets of air exhaust pipelines are disposed on the vacuum pump and are respectively connected to the first air pipe joint 22 and the second air pipe joint 53, and corresponding valves are disposed on the air exhaust pipelines to control the air flow of each set of air exhaust pipelines, so that the air exhaust speeds of the first cavity 21 and the second cavity 51 can also be independently controlled, and different air exhaust requirements can be met.

Further, the deformation-preventing vacuum shaping device 1000 for product packaging further comprises a first bracket (not shown, the same below) for supporting the upper housing 2 and a second bracket (not shown, the same below) for supporting the lower housing 5, and the upper housing 2 and the lower housing 5 are respectively supported and fixed by the first bracket and the second bracket, so that the upper housing 2 and the lower housing 5 are independently mounted with respect to the conveyor belt 1.

As shown in fig. 3, preferably, the top surface of the lower casing 5 covers the vertical projection of the upper casing 2 on the conveyor belt 1, that is, the area of the vertical projection of the lower casing 5 on the conveyor belt 1 is equal to or larger than the area of the vertical projection of the upper casing 2 on the conveyor belt 1, and the vertical projection of the lower casing 5 on the conveyor belt 1 completely covers the vertical projection of the upper casing 2 on the conveyor belt 1, so that the top surface of the lower casing 5 can completely support the area of the conveyor belt 1 on the upper casing 2, thereby improving the stability of the conveyor belt 1, further improving the stability of the upper casing 2, and avoiding the upper casing 2 from loosening.

Further, the lower shell 5 includes an outer shell 501 and an inner shell 502 disposed in the outer shell 501, the second cavity 51 is enclosed by the inner shell 502, the outer shell 501 extends in the horizontal direction to form a support section 54, and a vertical projection of the support section 54 on the conveyor belt 1 is located outside a vertical projection of the upper shell 2 on the conveyor belt 1. Through the outer shell 501 extends to form the support section 54, the position of the conveying belt 1 corresponding to the outside of the upper shell 2 is reinforced and supported, the stability of the conveying belt 1 and the upper shell 2 is further improved, the inner shell 502 is covered by the outer shell 501, air leakage of the inner shell 502 is avoided, the sealing effect of the second cavity 51 is improved, and the stable and uniform adsorption force of the adsorption holes 52 is ensured.

Further, the outer shell 501 is provided with a third cavity 55, the inner shell 502 is arranged in the third cavity 55, the second cavity 51 is wrapped by the third cavity 55, the sealing effect of the second cavity 51 is further ensured, and when the inner shell 502 has an air leakage problem, the surrounding effect of the third cavity 55 can be utilized to prevent the second cavity 51 from being directly communicated with the outside, so that double-layer insurance is realized.

Preferably, the adsorption holes 52 are uniformly arranged in the region of the lower shell 5 facing the first cavity 21, so that the region of the conveyor belt 1 in the first cavity 21 can be stably adsorbed on the lower shell 5 to be kept flat, and the deformation of the conveyor belt 1 is effectively avoided.

It should be understood that, in the present embodiment, the arrangement density of the adsorption holes 52 at different positions on the conveying belt 1 is identical, so as to ensure uniform and stable adsorption force. However, in other embodiments, the arrangement density of the suction holes 52 at different positions on the conveyor belt 1 may also be different, for example, the arrangement density is greater in the region facing the product 2000 to be packaged, and the arrangement density is smaller in the region between the product 2000 to be packaged and the side wall of the upper housing 2, so as to distribute the suction force generated by the second cavity 51 more to the position where the conveyor belt 1 faces the product 2000 to be packaged, and ensure that the position on the conveyor belt 1 supporting the product 2000 to be packaged is flat and not deformed.

Further, the lifting mechanism 3 includes at least two lifting cylinders 31, the at least two lifting cylinders 31 are symmetrically distributed along the center of the upper housing 2 and are connected to the upper housing 2, the plurality of lifting cylinders 31 simultaneously drive the upper housing 2 to move up and down, so that the moving stability and moving precision of the upper housing 2 can be ensured, the downward pressure of the upper housing 2 can be increased, and the upper housing 2 can be tightly pressed on the conveyor belt 1.

Further, the shaping mechanism 4 includes a lifting drive assembly 41 connected to the upper housing 2, and a flat pressing plate 42 disposed in the first cavity 21 and connected to the lifting drive assembly 41, wherein the lifting drive assembly 41 is configured to drive the flat pressing plate 42 to move up and down, and the flat pressing plate 42 presses down the top surface of the product 2000 to be packaged, so as to flatten the top surface of the product 2000 to be packaged, thereby achieving the shaping effect.

Preferably, the lifting driving assembly 41 includes a plurality of shaping cylinders 411 symmetrically disposed with respect to the center of the flat pressing plate 42, the top surface of the upper housing 2 is provided with a guide hole 23, the cylinder body of the shaping cylinder 411 is mounted outside the upper housing 2, and the piston rod of the shaping cylinder 411 is inserted into the first cavity 21 along the guide hole 23 and connected to the flat pressing plate 42. The lifting driving assembly 41 drives the flat pressing plate 42 to move up and down through the plurality of shaping cylinders 411, so that the moving stability and the moving precision of the flat pressing plate 42 can be ensured, the downward pressure of the flat pressing plate 42 is improved, the shaping effect is ensured, in addition, as the cylinder body of the shaping cylinder 411 is arranged outside the upper shell 2, the vacuumizing operation of the first cavity 21 cannot influence the shaping cylinder 411, the conventional cylinder can be configured for use, the equipment cost is reduced, secondly, as the piston rod of the shaping cylinder 411 penetrates through the guide hole 23, the guide limiting effect can be also realized on the piston rod of the shaping cylinder 411 through the guide hole 23, and the moving stability and the moving precision of the flat pressing plate 42 are further improved.

Preferably, the shaping mechanism 4 further comprises a vibration component (not shown in the figure, the same below) connected with the flat pressing plate 42, wherein the vibration component is used for driving the flat pressing plate 42 to vibrate at a certain frequency, the material in the product to be packaged is uniform through a vibrating effect, the lifting driving component 41 drives the flat pressing plate 42 to flatten the product to be packaged, and the shaping effect is improved.

As shown in fig. 1, a plurality of first air pipe joints 22 are provided, and the plurality of first air pipe joints 22 are arranged at intervals along the conveying direction of the conveying belt 1, so that air suction operations can be performed simultaneously at different positions of the upper housing 2 along the conveying direction of the conveying belt 1, the vacuum suction efficiency is improved, and the air pressures at different positions of the first cavity 21 are kept uniform.

Furthermore, a plurality of second air pipe joints 53 are provided, and the plurality of second air pipe joints 53 are arranged at intervals along the conveying direction of the conveyor belt 1, so that air can be simultaneously extracted from different positions of the lower housing 2 along the conveying direction of the conveyor belt 1, and the adsorption force of the adsorption holes 52 of the lower housing 5 corresponding to different positions of the conveyor belt 1 is kept uniform.

As shown in fig. 3 and 4, a clamping groove 24 is formed at a bottom edge of the upper housing 2, the stable pressurized product packaging vacuum-pumping shaping device 1000 further includes a sealing strip (not shown, the same below) embedded in the clamping groove 24 and used for abutting against the conveyor belt 1, the sealing strip is made of an elastic material, a part of the sealing strip is embedded in the clamping groove 24, and another part of the sealing strip is exposed out of the clamping groove 24 and used for abutting against the conveyor belt 1, so as to seal a gap between the upper housing 2 and the conveyor belt 1, and improve a sealing effect of the first cavity 21.

As shown in fig. 4, the vacuum shaping apparatus 1000 for packaging products capable of being pressurized stably further includes a locking mechanism 6 disposed below the conveying surface of the conveying belt 1, and the locking mechanism 6 is used for locking and fixing the upper housing 2 on the conveying belt 1.

The product packaging vacuumizing shaping device 1000 capable of stably pressurizing is provided with the locking mechanism 6 below the conveying surface of the conveying belt 1, when the upper shell 2 is fastened to the conveying belt 1 and surrounds with the conveying belt 1 to form the first cavity 21, the upper shell 2 is locked and fixed on the conveying belt 1 through the locking mechanism 6, the upper shell 2 is effectively prevented from moving and loosening relative to the conveying belt 1, the stability of the upper shell 2 is improved, the sealing effect between the upper shell 2 and the conveying belt 1 is ensured, the upper shell 2 cannot be reversely pushed in the process of pressing the product 2000 to be packaged by the shaping mechanism 4, a larger pressing force is not required to be provided for the upper shell 2 to resist the reverse acting force of the shaping mechanism 4, the equipment cost and the use cost are effectively reduced, the acting forces of the lifting mechanism 3 and the shaping mechanism 4 cannot interfere with each other, the service life is prolonged, the shaping mechanism 4 can realize stable pressurizing, the shaping force is ensured to be uniform, and the shaping effect is improved.

Preferably, a locking component 25 is disposed on a side wall of the upper housing 2, and the locking component 25 is configured to be driven by the upper housing 2 when the upper housing 2 is fastened on the conveyor belt 1, so as to extend into a position below the conveyor belt 1 from a lateral direction of the conveyor belt 1. The locking mechanism 6 comprises a locking driving component 61 and a bolt 62, wherein the locking driving component 61 is connected with the bolt 62 and is used for driving the bolt 62 to move in a linear direction to be inserted into or separated from the locking component 25, so that the locking component 25 and the upper shell 2 can be locked and fixed when the bolt 62 is inserted into the locking component 25, and the upper shell 2 is prevented from being loosened relative to the conveying belt 1.

Further, go up casing 2 and all be equipped with along its width direction's both ends hasp subassembly 25, locking mechanism 6 corresponds and is equipped with a plurality ofly, and is a plurality of locking mechanism 6 and a plurality of hasp subassembly 25 one-to-one sets up to it is fixed to lock simultaneously through the one-to-one cooperation of a plurality of locking mechanism 6 and a plurality of hasp subassembly 25 go up the relative both ends of casing 2, further promote go up casing 2's stability.

Further, locking mechanism 6 still includes along the direction of movement of bolt 62 extends the direction of setting and leads the subassembly 63, bolt 62 wears to locate in the direction subassembly 63 and be used for following direction subassembly 63 direction slip, direction subassembly 63 specifically can adopt guide rail, spout or guide cylinder structure, in order to the direction of movement of bolt 62 leads spacingly, promotes bolt 62's mobility stability, makes bolt 62 can accurately insert in the hasp subassembly 25.

Preferably, the locking assembly 25 is provided with a pin hole 251, the plug 62 is used for being inserted into the pin hole 251, one end of the plug 62 facing the locking assembly 25 is provided with a guiding conical surface, and the plug 62 can be inserted into the pin hole 251 through the guiding conical surface when moving in the direction facing the pin hole 251, so that the plug 62 can also be guided into the pin hole 251 when slightly dislocated relative to the pin hole 251, and the occurrence of jamming is avoided.

Preferably, the lifting mechanism 3 is connected to the latch assembly 25 and is configured to drive the latch assembly 25 to move up and down, so that the upper housing 2 is driven to move up and down by the latch assembly 25. Because elevating system 3 directly with locking mechanism 25 is connected, can drive the accurate lift of locking mechanism 25 removes, makes locking mechanism 25 can with locking mechanism 6 accurate cooperation.

Preferably, locking mechanism 6 is located on lower casing 5 and be used for with go up casing 2 with lower casing 5 locks fixedly each other, through locking mechanism 6 will go up casing 2 locking fixed downwards in the time, can also with lower casing 5 locks fixedly upwards, thereby makes go up casing 2 with lower casing 5 homoenergetic closely laminate in on the conveyer belt 1, promote lower casing 5 is right the support and the adsorption effect of conveyer belt 1.

As shown in fig. 3, preferably, the bottom surface of the lower housing 5 is provided with a mounting groove 56, the locking mechanism 6 is mounted in the mounting groove 56, and the mounting groove 56 accommodates the locking mechanism 6, so that the locking mechanism 6 can be prevented from protruding outwards relative to the bottom surface of the lower housing 5, the locking mechanism 6 is effectively protected, the overall thickness of the product package vacuum shaping device 1000 capable of stably pressurizing can be reduced, and the layout and installation are facilitated.

Further, the locking mechanism 6 is disposed in the third cavity 55 and outside the second cavity 51, the locking mechanism 6 is surrounded and protected by the third cavity 55, and the locking mechanism 6 and the second cavity 51 are separated from each other, so that the influence of the air exhaust process in the second cavity 51 on the normal operation of the locking mechanism 6 is avoided.

It should be understood that, in the present embodiment, the locking mechanism 6 is mounted on the lower housing 5, which can achieve locking and fixing of the upper housing 2 and the lower housing 5 at the same time, and has a better locking effect, but cannot be regarded as a limitation on a specific mounting manner of the locking mechanism 6. In other embodiments, when the stably pressurizable product packaging vacuum shaping device 1000 is not provided with the lower shell 5, the locking mechanism 6 may also be directly and fixedly installed below the conveyor belt 1, and the upper shell 2 may also be locked and fixed on the conveyor belt 1 by the cooperation of the locking mechanism 6 and the locking assembly 25, so as to stably fix the upper shell 2.

As a second aspect, the present embodiment further provides an automatic production line (not shown, the same applies below), which includes the above-mentioned product packaging vacuum shaping device 1000 capable of stably pressurizing, and the automatic production line performs shaping and vacuum packaging operations on the product to be packaged 2000 through the product packaging vacuum shaping device 1000 capable of stably pressurizing, so as to ensure that the shape and the flatness of the product packaging meet requirements, ensure that the packaging is flat, and improve the packaging effect.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A product packaging vacuumizing shaping device capable of being stably pressurized is characterized by comprising a conveying belt (1) for conveying a product (2000) to be packaged, an upper shell (2) arranged above the conveying belt (1), a lifting mechanism (3) connected with the upper shell (2) and used for driving the upper shell (2) to move up and down, and a shaping mechanism (4) arranged in the upper shell (2) and used for pressing the product (2000) to be packaged on the conveying belt (1) downwards;

the upper shell (2) is used for being buckled to the conveying belt (1) and enclosing with the conveying belt (1) to form a first cavity (21), the upper shell (2) is provided with a first gas pipe joint (22) communicated with the first cavity (21), and the first gas pipe joint (22) is used for being connected with a vacuum pump;

the product packaging vacuumizing and shaping device capable of stably pressurizing further comprises a locking mechanism (6) arranged below the conveying surface of the conveying belt (1), and the locking mechanism (6) is used for locking and fixing the upper shell (2) on the conveying belt (1).

2. The vacuumizing and shaping device for packaging products capable of being pressurized stably according to claim 1, wherein a locking component (25) is disposed on a side wall of the upper housing (2), and the locking component (25) is used for being driven by the upper housing (2) when the upper housing (2) is locked on the conveyor belt (1) and further extending into a position below a conveying surface of the conveyor belt (1) from a lateral direction of the conveyor belt (1);

the locking mechanism (6) comprises a locking driving component (61) and a bolt (62) connected with the locking driving component (61), and the locking driving component (61) is used for driving the bolt (62) to be inserted into or separated from the lock catch component (25).

3. The apparatus for vacuum shaping of stable pressurized product package as claimed in claim 2, wherein said locking assemblies (25) are provided at both ends of said upper housing (2) in the width direction thereof, and said locking mechanisms (6) and said locking assemblies (25) are provided in one-to-one correspondence.

4. The apparatus for vacuum shaping packaging of products capable of being pressurized stably according to claim 2, wherein said locking mechanism (6) further comprises a guiding component (63) extending along the moving direction of said bolt (62), and said bolt (62) is inserted into said guiding component (63) and is used for guiding and sliding along said guiding component (63).

5. The apparatus according to claim 1, wherein a slot (24) is provided at the bottom edge of the upper housing (2), and the apparatus further comprises a sealing strip embedded in the slot (24) and adapted to abut against the conveyor belt (1).

6. The device for vacuum-pumping and shaping of stably pressurized product packages according to claim 1, further comprising a lower housing (5) disposed below the conveying surface of the conveyor belt (1), wherein the lower housing (5) abuts against the bottom surface of the conveyor belt (1) and is provided with a second cavity (51), the top surface of the lower housing (5) is distributed with a plurality of adsorption holes (52) communicated with the second cavity (51), the lower housing (5) is provided with a second air pipe joint (53) communicated with the second cavity (51), and the second air pipe joint (53) is used for connecting with the vacuum pump;

the locking mechanism (6) is arranged on the lower shell (5) and used for locking and fixing the upper shell (2) and the lower shell (5) mutually.

7. The apparatus for vacuum shaping of stable pressurized product package as claimed in claim 6, wherein the bottom surface of the lower housing (5) is provided with a mounting groove (56), and the locking mechanism (6) is mounted in the mounting groove (56).

8. The apparatus according to claim 6, wherein the lower housing (5) comprises an outer housing (501) and an inner housing (502) disposed inside the outer housing (501), the second cavity (51) is defined by the inner housing (502), the outer housing (501) extends in a horizontal direction to form a support section (54), and a vertical projection of the support section (54) on the conveyor belt (1) is located outside a vertical projection of the upper housing (2) on the conveyor belt (1).

9. The apparatus for vacuum shaping of packaging of products capable of stable pressurization according to claim 8, characterized in that said outer shell (501) is provided with a third cavity (55), said inner shell (502) and said locking mechanism (6) are both provided in said third cavity (55), and said locking mechanism (6) is provided outside said second cavity (51).

10. An automated manufacturing line comprising a vacuum shaping device for stably pressurizable product packages as claimed in any one of claims 1 to 9.

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