CN217945796U - Product packaging vacuumizing and shaping device for preventing deformation and automatic production line - Google Patents

Abstract

The utility model discloses an anti-deformation product packaging vacuumizing shaping device and an automatic production line, wherein the anti-deformation product packaging vacuumizing shaping device 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 lower shell arranged below the conveying belt; go up the casing and be used for lock to conveyer belt on and enclose synthetic first cavity jointly with the conveyer belt, the casing supports the bottom surface that leans on the conveyer belt and is equipped with the second cavity down, and a plurality of absorption holes have been laid to the top surface of casing down, goes up the casing and is equipped with first air pipe joint, and the casing is equipped with the second air pipe joint down, and first, second air pipe joint all is used for with vacuum pump connection. The utility model provides a product packaging evacuation shaping device of preapring for an unfavorable turn of events shape can firmly adsorb the conveyer belt on the top surface of casing under, makes the conveyer belt keep leveling to avoid product packaging to take place to warp, promote the packing effect.

Description

Product packaging vacuumizing and shaping device for preventing deformation and automatic production line

Technical Field

The utility model relates to a vacuum packaging equipment technical field especially relates to a product packaging evacuation shaping device of preapring for an unfavorable turn of events shape and adoption the automatic production line of the product packaging evacuation shaping device of preapring for an unfavorable turn of events shape.

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 the conveyer belt adopts elastic belt usually, at the in-process with the quick evacuation of seal chamber, the conveyer belt can be driven and draw close, shrink toward the centre to cause and treat that the packing product takes place to warp, make its one side towards the conveyer belt become the circular arc curved surface, can't keep leveling, influence packing effect.

SUMMERY OF THE UTILITY MODEL

The utility model discloses it is first of all provided a product packaging evacuation shaping device of preapring for an unfavorable turn of events shape to solve current evacuation shaping device and lead to product packaging to take place the technical problem of deformation easily.

The utility model also provides an automatic production line adopts the above-mentioned product packaging evacuation shaping device of preapring for an unfavorable turn of events shape.

According to a first aspect of the present invention, there is provided an anti-deformation vacuum-pumping shaping device for packaging products, comprising 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, a shaping mechanism disposed in the upper housing and used for pressing down the products to be packaged on the conveying belt, and a lower housing disposed below a conveying surface of the conveying belt;

the upper shell is used for being buckled to the conveying belt and being enclosed into a first cavity together with the conveying belt, the lower shell is abutted 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 upper shell is provided with a first air pipe joint communicated with the first cavity, the lower shell is provided with a second air pipe joint communicated with the second cavity, and the first air pipe joint and the second air pipe joint are both used for being connected with a vacuum pump.

Preferably, the top surface of the lower housing covers a vertical projection of the upper housing on the conveyor belt.

Further, the lower shell comprises an outer shell and an inner shell arranged in the outer shell, the second cavity is formed by enclosing the inner shell, the outer shell extends along the horizontal direction to form a supporting section, and the vertical projection of the supporting section on the conveying belt is located outside the vertical projection of the upper shell on the conveying belt.

Further, the outer shell is provided with a third cavity, and the inner shell is arranged in the third cavity.

Preferably, the adsorption holes are uniformly distributed in the area of the lower shell, which is just opposite to the first cavity.

Furthermore, the shaping mechanism comprises a lifting driving assembly connected with the upper shell and a flat pressing plate arranged in the first cavity and connected with the lifting driving assembly, and the lifting driving assembly is used for driving the flat pressing plate to move in a lifting mode.

Preferably, the lifting driving assembly comprises a plurality of shaping cylinders symmetrically arranged relative to the center of the flat pressing plate, the top surface of the upper shell is provided with a guide hole, the cylinder body of each shaping cylinder is mounted outside the upper shell, and the piston rod of each shaping cylinder extends into the first cavity along the guide Kong Chuanshe and is connected with the flat pressing plate.

Preferably, the first gas pipe joints are arranged in plurality at intervals along the conveying direction of the conveying belt; and/or the second air pipe joints are provided with a plurality of air pipe joints, and the second air pipe joints are arranged at intervals along the conveying direction of the conveying belt.

Preferably, the bottom edge of going up the casing is equipped with the draw-in groove, the product packaging evacuation plastic device of preapring for an unfavorable turn of events shape still including inlay locate in the draw-in groove and be used for the butt the sealing strip of conveyer belt.

According to the utility model discloses a second aspect still provides an automatic production line, including the above-mentioned product packaging evacuation shaping device of preapring for an unfavorable turn of events shape.

The utility model discloses following beneficial effect has:

the utility model provides a product packaging evacuation shaping device of preapring for an unfavorable turn of events shape is equipped with down the casing in the below of conveyer belt, it is gaseous through leading to the negative pressure to the second cavity in the casing down, alright make a plurality of absorption holes on the casing produce suction simultaneously down, and guarantee that whole face suction is even stable, thereby firmly adsorb the conveyer belt on the top surface of casing down, make the conveyer belt keep the temper mill, and then when carrying out evacuation operation to the product of waiting to pack in the first cavity, effectively avoid the vacuum adsorption effort in the first cavity to drive the conveyer belt and take place to warp, the one side of the laminating conveyer belt on the messenger's product packaging can keep leveling, guarantee that vacuum packaging's shape and plane degree meet the requirements, promote the packing effect. Secondly, the adsorption affinity that the casing produced can also be with stable absorption to fixed position of conveyer belt down in the utilization, treat that the operation that can in time stop the conveyer belt when the packing product removes to predetermineeing the position, in time brake avoids treating that the packing product continues to move along because of inertia, ensures the accuracy of plastic and evacuation position, further promotes the packing 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 incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

fig. 1 is a perspective view of a deformation-preventing product packaging vacuumizing and shaping device provided by an embodiment of the present invention;

FIG. 2 is a top view of the deformation prevention product package vacuuming and shaping device shown in FIG. 1;

FIG. 3 isbase:Sub>A cross-sectional view taken along A-A of the deformation prevention vacuum shaping device for the product package shown in FIG. 2;

fig. 4 is a sectional view of the deformation prevention product package vacuum shaping device in the direction of B-B shown in fig. 2.

Illustration of the drawings:

1000. a product packaging vacuumizing and shaping device for preventing deformation; 1. a conveyor belt; 2. an upper housing; 21. a first cavity; 22. a first gas pipe joint; 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 product packaging evacuation shaping device of preapring for an unfavorable turn of events shape, it is used for treating the packing product and carries out plastic and evacuation packing operation, can guarantee 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 deformation-preventing vacuum shaping device 1000 for product packaging comprises a conveyor belt 1, an upper housing 2, a lifting mechanism 3, a shaping mechanism 4 and a lower housing 5. The conveyor 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. The upper shell 2 is arranged above the conveying belt 1, an opening is formed in the bottom surface of the upper shell 2, the upper shell 2 is used for being buckled on the conveying belt 1 and enclosing a first cavity 21 (shown in fig. 3 and 4) together with the conveying belt 1, and the upper shell 2 is provided with a first air pipe joint 22 communicated with the first cavity 21. 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 deformation-preventing product packaging vacuumizing and shaping device 1000 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 anti-deformation product packaging vacuumizing shaping device 1000 is arranged below the conveying belt 1, the lower shell 5 is communicated with a second cavity 51 in the lower shell 5 through negative pressure gas, so that suction can be generated in a plurality of suction holes 52 in the lower shell 5 at the same time, and the whole suction is ensured to be uniform and stable, so that 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 the product 2000 to be packaged in the first cavity 21 is vacuumized, the phenomenon that the conveying belt 1 is deformed under the action of vacuum adsorption in the first cavity 21 is effectively avoided, so that the conveying belt 1 is attached to the product packaging, one surface of the conveying belt 1 can be kept flat, the shape and the flatness of the vacuum packaging are ensured 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 casing 5 includes an outer casing 501 and an inner casing 502 disposed in the outer casing 501, the second cavity 51 is enclosed by the inner casing 502, the outer casing 501 extends along the horizontal direction to form a supporting section 54, and a vertical projection of the supporting section 54 on the conveyor belt 1 is located outside a vertical projection of the upper casing 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 the surrounding effect of the third cavity 55 can be utilized to prevent the second cavity 51 from being directly communicated with the outside when the inner shell 502 has an air leakage problem, so that double-layer safety 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 conveyor 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 at the area facing the product to be packaged 2000 is higher, and the arrangement density at the area between the product to be packaged 2000 and the side wall of the upper housing 2 is lower, so as to distribute the suction force generated by the second cavity 51 to the position facing the product to be packaged 2000 more, and ensure that the position on the conveyor belt 1 supporting the product to be packaged 2000 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 comprises a lifting driving component 41 connected with the upper shell 2 and a flat pressing plate 42 arranged in the first cavity 21 and connected with the lifting driving component 41, the lifting driving component 41 is used for driving 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 that the top surface of the product 2000 to be packaged can be flattened, and the shaping effect is realized.

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 a plurality of shaping cylinders 411, so that the moving stability and the moving precision of the flat pressing plate 42 can be guaranteed, the downward pressure of the flat pressing plate 42 is improved, the shaping effect is guaranteed, the cylinder body of the shaping cylinder 411 is mounted outside the upper shell 2, the vacuumizing operation of the first cavity 21 cannot affect the shaping cylinder 411, the shaping cylinder 411 can be configured with a conventional cylinder for use, the equipment cost is reduced, and secondly, the piston rod of the shaping cylinder 411 penetrates through the guide hole 23 and can play a guiding and limiting role through the guide hole 23 on the piston rod of the shaping cylinder 411, so that 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 simultaneously performed 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 pressure at different positions of the first cavity 21 is 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 pumped at 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.

Both shown in fig. 3 and fig. 4, the bottom edge of the upper housing 2 is provided with a clamping groove 24, the anti-deformation 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 conveying 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 the other part of the sealing strip is exposed out of the clamping groove 24 and used for abutting against the conveying belt 1, so as to seal a gap between the upper housing 2 and the conveying belt 1, and improve the sealing effect of the first cavity 21.

As shown in fig. 4, preferably, the deformation-preventing vacuum shaping device 1000 for packaging products 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 anti-deformation product packaging vacuumizing shaping device 1000 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 encloses 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 pressurization, 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 used for being driven by the upper housing 2 when the upper housing 2 is fastened on the conveyor belt 1, so as to extend into a lower portion of the conveyor belt 1 from a side 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 when the bolt 62 is inserted into the locking component 25, the locking component 25 and the upper shell 2 can be locked and fixed, 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 pin 62 is used for being inserted into the pin hole 251, one end of the plug pin 62 facing the locking assembly 25 is provided with a guiding conical surface, and the plug pin 62 can be inserted into the pin hole 251 through the guiding action of the guiding conical surface when moving in the direction facing the pin hole 251, so that the plug pin 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 component 25 is connected, can drive the accurate lifting movement of locking component 25 makes locking component 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 deformation-preventing product package vacuum shaping device 1000 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 to achieve locking and fixing of the upper housing 2 and the lower housing 5 at the same time, and have 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 deformation-preventing product package vacuum shaping device 1000 is not provided with the lower housing 5, the locking mechanism 6 may also be directly fixedly mounted below the conveyor belt 1, and the upper housing 2 may also be locked and fixed to the conveyor belt 1 by the mutual cooperation of the locking mechanism 6 and the locking assembly 25, so as to achieve stable fixing of the upper housing 2.

As a second aspect, the present embodiment further provides an automatic production line (not shown, the same below), including the above-mentioned product packaging vacuum-pumping shaping device 1000 that prevents deformation, the automatic production line carries out shaping and vacuum-pumping packaging operations on the product to be packaged 2000 through the product packaging vacuum-pumping shaping device 1000 that prevents deformation, can ensure that the shape and the flatness of the product packaging meet the requirements, ensure that the packaging is smooth, 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. The anti-deformation product packaging vacuumizing shaping device 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, 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, and a lower shell (5) arranged below a conveying surface of the conveying belt (1);

the upper shell (2) is used for being buckled on the conveying belt (1) and enclosing into a first cavity (21) together with the conveying belt (1), the lower shell (5) abuts against the bottom surface of the conveying belt (1) and is provided with a second cavity (51), a plurality of adsorption holes (52) communicated with the second cavity (51) are distributed in the top surface of the lower shell (5), the upper shell (2) is provided with a first air pipe connector (22) communicated with the first cavity (21), the lower shell (5) is provided with a second air pipe connector (53) communicated with the second cavity (51), and the first air pipe connector (22) and the second air pipe connector (53) are both used for being connected with a vacuum pump.

2. The deformation preventing product package vacuumizing and shaping device according to claim 1, wherein the top surface of the lower housing (5) covers the vertical projection of the upper housing (2) on the conveyor belt (1).

3. The deformation-preventing vacuum shaping device for product packaging is characterized in that the lower shell (5) comprises an outer shell (501) and an inner shell (502) arranged in the outer shell (501), the second cavity (51) is formed by enclosing the inner shell (502), the outer shell (501) extends along the horizontal direction to form a support section (54), and the vertical projection of the support section (54) on the conveyor belt (1) is positioned outside the vertical projection of the upper shell (2) on the conveyor belt (1).

4. The vacuum forming device for preventing deformation of product package according to claim 3, wherein the outer shell (501) is provided with a third cavity (55), and the inner shell (502) is provided in the third cavity (55).

5. The deformation preventing product packaging vacuumizing and shaping device according to claim 1, wherein the suction holes (52) are uniformly arranged in an area of the lower housing (5) facing the first cavity (21).

6. The deformation-preventing vacuum-pumping shaping device for the product package according to claim 1, wherein the shaping mechanism (4) comprises a lifting driving 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 driving assembly (41), and the lifting driving assembly (41) is used for driving the flat pressing plate (42) to move up and down.

7. The vacuum pumping shaping device for the deformation-preventing product package according to claim 6, wherein the lifting driving assembly (41) comprises a plurality of shaping cylinders (411) symmetrically arranged relative 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 with the flat pressing plate (42).

8. The deformation-preventing product packaging vacuumizing and shaping device according to claim 1, wherein 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); and/or the second air pipe joints (53) are provided in plurality, and the second air pipe joints (53) are arranged at intervals along the conveying direction of the conveying belt (1).

9. The deformation-preventing product packaging vacuumizing and shaping device according to claim 1, wherein a clamping groove (24) is formed in the bottom edge of the upper shell (2), and a sealing strip which is embedded in the clamping groove (24) and used for abutting against the conveying belt (1) is further included.

10. An automatic production line, characterized by comprising the deformation-preventing vacuum-shaping device for product packages according to any one of claims 1 to 9.

Images