CN220221286U - Vacuum packing system - Google Patents

Abstract

The utility model aims to provide a vacuum packing system which can fully automatically finish the processes of opening, loading workpieces, vacuumizing and sealing of a packing bag by using a mechanical device, does not need manual participation, saves time and labor and has high working efficiency. The vacuum packaging system comprises: an operation table; the workpiece conveying device is provided with a bearing groove in which a workpiece to be packaged is arranged, the outlet end of the bearing groove is a workpiece outlet, and the workpiece outlet is arranged towards the operating platform; the packaging bag opening device is arranged on one side of the operating platform, close to the workpiece conveying device, and is provided with a first capturing head and a second capturing head which are oppositely arranged; the air extraction device is provided with an air extraction short pipe communicated with the air extractor, and the air extraction short pipe is arranged at the bottom of the bearing groove; and the packaging bag sealing device is arranged between the operating platform and the workpiece conveying device.

Description

Vacuum packing system

Technical Field

The utility model relates to the technical field of packaging, in particular to a vacuum packaging system.

Background

In the field of packaging technology, the packaging process of an article is generally to place the article to be packaged on an operation table surface, and use a packaging material to package the article. The packing mode adopted by the packing method is different from that of the packing method adopted by the packing method, for example, for some logistic articles, a buffer material and a paper box are generally adopted, packing can be completed only by putting the article packing buffer material into the paper box and sticking the paper box by using adhesive tape, for some mechanical workpieces, the packing can be completed by sealing the packing bag by using a packing bag, and therefore, the opening of the sheet-shaped packing bag needs to be opened firstly, then the workpiece is put into the opening of the packing bag, and finally, the packing can be completed by sealing the opening of the packing bag, and particularly, for some articles which are easy to oxidize or corrode due to contact with air, air in the packing bag needs to be pumped out before sealing, so that the articles can be in a vacuum sealing environment.

However, since the storage state of the packaging bag is generally sheet-shaped, in the existing packaging bag packaging process, the packaging bag is often required to be manually taken from the packaging bag storage device to be opened, articles are filled into the packaging bag through the opening of the packaging bag, the opening of the packaging bag is pumped against the pumping hole of the vacuum pump, the packaging bag is subjected to thermoplastic sealing through the thermoplastic machine after the pumping is completed, the workload is large, the time consumption is long, the packaging bag is required to be manually transferred to the thermoplastic machine after the pumping is completed, gas leakage is easily caused, and the vacuum sealing effect is affected.

Disclosure of Invention

The utility model aims to provide a vacuum packing system which can realize full-automatic packing of workpieces based on packing bags.

The vacuum packaging system provided by the utility model comprises: an operation table; the workpiece conveying device is provided with a bearing groove in which a workpiece to be packaged is arranged, the outlet end of the bearing groove is a workpiece outlet, and the workpiece outlet is arranged towards the operating platform; the packaging bag opening device is arranged on one side of the operating platform, close to the workpiece conveying device, and is provided with a first capturing head and a second capturing head which are oppositely arranged; the air extracting device is provided with an air extracting short pipe communicated with the air extractor, and the air extracting short pipe is arranged at the bottom of the bearing groove.

According to the technical scheme of the utility model, when workpieces are packed, the first catch head and the second catch head of the packing bag opening device catch the two opposite side surfaces of the packing bag on the operation table respectively, the opening of the packing bag is opened, the bearing groove of the workpiece conveying device penetrates through the opening of the packing bag, the workpieces to be packed are conveyed to the packing bag, after the workpieces to be packed enter the packing bag, the packing bag opening device stops working, the air suction short pipe at the bottom of the bearing groove also penetrates through the opening of the packing bag at the moment, the air suction machine is started, the air suction short pipe at the bottom of the bearing groove sucks air from the inside of the packing bag, the opening of the packing bag, the loading of the workpieces and the vacuumizing process are fully automatically completed by utilizing the mechanical device, manual participation is not needed, time and labor are saved, the working efficiency is high, and the air suction short pipe also penetrates through the opening of the packing bag when the bearing groove penetrates through the opening of the packing bag to load the workpieces, and the air suction short pipe can be used for directly sucking air from the packing bag after the workpieces are loaded, and the air suction is fast and convenient.

As a preferred embodiment, the vacuum packing system may further comprise a bag closing device provided between the operation table and the bag opening device.

According to this preferred technical scheme, the nozzle stub of bleeding is when getting into the wrapping bag opening, at first passes the wrapping bag opening entering wrapping bag between first catch head and the second catch head, and need not to pass wrapping bag closing device, consequently can be after accomplishing the evacuation, can directly utilize the wrapping bag closing device to seal, and need not to take out the nozzle stub of bleeding and reseal and lead to the gas leakage, the vacuum is not good.

As a preferable technical scheme, the maximum distance between the air suction short pipe and the bearing groove is not more than half of the distance between the first capturing head and the second capturing head.

According to this preferred solution, when the first catch head and the second catch head catch both sides of the package and open the opening of the package, the opening diameter of the package is substantially equal to the distance between the first catch head and the second catch head, and when the maximum distance between the suction stub and the holding tank is less than half the distance between the first catch head and the second catch head, the workpiece outlet of the holding tank at this time passes through the opening of the package at the center of the opening of the package, and the suction stub is also within the range of the opening of the package, so that no alignment is required, and suction can be performed through the opening of the package between the completion of loading of the holding tank.

As a preferable technical scheme, one end of the air extraction short pipe facing the operation table is formed into a flat air extraction opening.

According to the preferred technical scheme, one end of the short air extraction pipe facing the operation table needs to be detected into the packaging bag in the air extraction process, the packaging bag can be pressed on the surface of the short air extraction pipe by external atmospheric pressure in the air extraction process, external air can be reduced, the air extraction opening of the flat design is more beneficial to pressing and sealing the upper surface and the lower surface of the sheet packaging bag compared with other designs, and the operation efficiency of vacuum extraction is improved.

As the preferable technical scheme, the extraction opening protrudes out of the workpiece outlet of the bearing groove.

According to the technical scheme, when the supporting groove conveys the workpiece into the packaging bag, the flat extraction opening just can completely penetrate through the opening of the packaging bag, so that the extraction efficiency is improved.

As a preferable embodiment, the workpiece conveying device further includes: and the bearing groove is connected with the bearing groove sliding rail in a sliding manner along the length direction of the operating platform.

According to this preferred technical scheme, the bearing groove can be followed the bearing groove slide rail and slided to the operation panel for the work piece export of bearing groove rear end can pass the first wrapping bag opening that catches between head and the second and get into the wrapping bag inside, can retract after the work piece loading finishes simultaneously, avoids influencing subsequent extraction flow.

As a preferred technical solution, the air extracting device further includes: base and expansion plate, wherein the expansion plate includes fixed part and extension, and fixed part is fixed in on the lateral wall of extraction nozzle stub, and the extension is formed by fixed part downwardly extending, and the base passes through horizontal telescopic link intercommunication with the extension of expansion plate, and the flexible direction of horizontal telescopic link is parallel with the length direction of operation panel.

According to the preferred technical scheme, when the bearing groove slides through the opening of the packaging bag and finishes loading of a workpiece to be packaged and withdraws from the packaging bag, the short air suction pipe stretches out to suck air, and after vacuumizing of the packaging bag is finished, the bag can retract, so that the subsequent packaging bag sealing device can be pressed down for sealing. And because the telescopic plate is used for driving the air extraction short pipe to stretch out and draw back, the air extraction short pipe is more stable and is not easy to damage.

Drawings

Fig. 1 is a schematic view of the overall structure of a baling system provided in an embodiment of the present utility model.

Fig. 2 is a schematic diagram showing the cooperation structure of the operation panel, the bag opening device, and the bag closing device of the packing system according to the embodiment of the present utility model.

Fig. 3 is a schematic structural view of a workpiece conveying device provided in an embodiment of the present utility model.

Fig. 4 is a schematic diagram of a mating structure of a push rail and a push rod provided in an embodiment of the present utility model.

Fig. 5 is a schematic structural view of an air extractor of the packaging system according to the embodiment of the present utility model.

Fig. 6 is a schematic cross-sectional view between an operator's station and a conveyor roller provided in an embodiment of the present utility model.

Description of the reference numerals

1-a packaging bag storage device; 11-packaging bag memory; 12-conveying roll shafts; 2-a packaging bag opening device; 21-a first capture head; 22-lifting mechanism; 23-cantilever structure; 24-a slide rail mating member; 3-an operation table; 31-an operation table slide rail; 4-packaging bag sealing device; 5-a workpiece conveying device; 51-workpiece outlet; 52-a supporting groove; 53-pushing the slide rail; 54-pushing mechanism; 541-pushing rod; 5411-push plate; 55-supporting groove sliding rails; 56-an oil nozzle; 6-a lubricating oil pump; 7-an air extracting device; 71-an air extraction short pipe; 711-an extraction opening; 712-base; 713-telescoping plates; 7131-fixing portion; 7132-extension; 714—horizontal telescoping rod; 8-a packaging bag cutting device; 81-a cutting head; 82-a cutting blade; 83-cutting grooves; 9-additional package sealing device.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.

It should be noted that, in the description of the present utility model, terms such as "upper", "lower", "front", "rear", "top", "bottom", and the like, which indicate positional relationships are based on the directions or positional relationships shown in the drawings, are merely for the purpose of facilitating a more visual understanding of the present utility model by those skilled in the art, and do not indicate or imply that the devices or components must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Fig. 1 is a schematic view of the entire structure of the packing system provided in the present embodiment. As shown in fig. 1, the present embodiment provides a packaging system including a bag opening device 2, a console 3, an air suction device 7, and a workpiece conveying device 5, which are disposed in this order.

The operation table 3 may have any structure with a flat operation table surface, and the sheet-shaped packaging bag may be tiled on the operation table 3 for conveying and operating, and the length direction thereof may be identical to the conveying direction of the packaging bag (i.e., the front-rear direction in the drawing).

The packaging bag opening device 2 is arranged on one side of the operation table 3, which is close to the workpiece conveying device 5, and is provided with a first capturing head 21 and a second capturing head which are oppositely arranged, wherein the first capturing head 21 and the second capturing head can respectively capture two opposite side surfaces of the packaging bag so as to open the opening of the packaging bag, the first capturing head 21 and the second capturing head can be any structure which can be stably captured, adhered and fixed on the surface of the packaging bag, such as a mechanical claw, a sucker, a viscous absorption head and the like, and the opening of the packaging bag can be completed only by being oppositely arranged, so that the connecting line between the first capturing head 21 and the second capturing head is only required to be perpendicular to the conveying direction of the packaging bag, preferably, the first capturing head 21 and the second capturing head are all absorption ports which are communicated with air suction equipment such as a vacuum pump, low pressure is generated through air suction, the packaging bag can be firmly absorbed on an absorption mechanism by utilizing external atmospheric pressure, and the packaging bag is more stable, the suction force is controllable, and the opening and closing are convenient. Further, the first catch head 21 and the second catch head are opposed up and down, thereby facilitating the opening of the sheet-like packing bag.

The workpiece conveying device 5 has a holding tank 52 in which a workpiece to be packaged is placed, the outlet end of the holding tank 52 is a workpiece outlet 51, and the workpiece outlet 51 is provided toward the operation table 3, so that the workpiece can be accurately fed.

The air extractor 7 has an air extracting short pipe 71 and an air extractor (not shown), the air extracting short pipe 71 is arranged at the bottom of the supporting groove 52, wherein the air extracting short pipe 71 can be directly fixed at the bottom of the supporting groove 52, or can be fixed on a bottom plate below the supporting groove 52 without contacting with the supporting groove 52, when a workpiece to be packaged in the supporting groove 52 enters the packaging bag from the workpiece outlet 51, the air extracting short pipe 71 can also penetrate through an opening of the packaging bag to enter the packaging bag, and after the workpiece to be packaged completely enters the packaging bag, the air extractor is started to vacuumize the packaging bag.

Wherein the bale system may preferably further comprise a bag storage device 1 and a bag closure device 4.

The bag storing device 1 may include a bag storage 11 and a conveying roller 12, and the bag storage 11 may be any container capable of holding a bag, such as a box, a roll, or the like, and the bag to be held may be a single sheet-like bag or a whole bag to be cut, which is not limited thereto. In fig. 1, the packing bag storage 11 is shown as a packing bag roll, the packing bag roll is disposed on a side of the conveying roller away from the operation table 3, the conveying roller 12 is flush with the upper surface of the operation table 3, and when the packing bag roll and the conveying roller 12 are rotated in a linked manner at the same linear speed, the packing bag on the packing bag roll can be smoothly conveyed to the surface of the operation table 3.

The package sealing device 4 may be any sealing device for a package, for example, a thermoplastic sealing device is described as an example, the thermoplastic sealing device generally needs to be extruded and heated by a thermoplastic head to realize thermoplastic sealing of the package, the package sealing device 4 in the present utility model may be disposed between the operation table 3 and the package opening device 2, and the air suction short tube 71 can pass through the package opening between the first capturing head 21 and the second capturing head to enter the package to suction air, but not pass through the package sealing device 4, so that after the vacuum pumping is completed, the package sealing device 4 can be directly used for sealing, without drawing the air suction short tube 71 to reseal, thereby reducing the risk of sealing failure.

Specifically, when packing the work piece, the package bag roll and the conveying roller 12 in the package bag storage device 1 are linked and rotated, the package bag is smoothly conveyed to the surface of the operation table 3 until the opening of the package bag is conveyed to one side of the operation table 3 close to the work piece conveying device 5, the first capturing head 21 and the second capturing head capture the opposite side surfaces of the package bag respectively, the opening of the package bag is opened, the supporting groove 52 of the work piece conveying device 5 penetrates through the opening of the package bag, the work piece to be packed is conveyed to the package bag, after the work piece to be packed enters the package bag, the work of the package bag opening device 3 is stopped, the air extractor is started, the air extraction short pipe 71 at the bottom of the supporting groove 52 extracts air from the interior of the package bag, and after the air extraction is completed, the thermoplastic head of the package bag sealing device 4 is pressed down to seal the opening of the package bag, so that the full-automatic air extraction packing process of the work piece is completed.

In this embodiment, the air extraction short pipe 71 is disposed at the bottom of the supporting groove 52, so that when the supporting groove 52 passes through the opening of the packaging bag to load the workpiece, the air extraction short pipe 71 can also pass through the opening of the packaging bag, and can directly extract air from the packaging bag after the workpiece is loaded, so that the air extraction short pipe is fast and convenient, and the opening, workpiece loading, vacuumizing and sealing processes of the packaging bag are fully automatically completed by using a mechanical device, so that manual participation is not required, time and labor are saved, and the work efficiency is high.

Hereinafter, a detailed structure of the packing system according to the present embodiment will be described in further detail with reference to the drawings.

Fig. 2 is a schematic diagram showing the fitting structure of the console 3, the bag opening device 3, and the bag closing device 4 of the packing system according to the present embodiment. As seen from fig. 1 and 2, an operation table slide rail 31 is further disposed above the operation table, the first catch head 21 of the packaging bag opening device 2 is mounted in cooperation with the slide rail via the lifting mechanism 22 and the slide rail matching piece 24, wherein one end of the slide rail matching piece 24 is mounted in cooperation with the slide rail, the other end is formed into a cantilever structure 23, the lower side of the cantilever structure 23 is connected with the lifting mechanism 22 through a lifting rod, so that the lifting mechanism 22 can lift up and down above the operation table 3, the packaging bag sealing device 4 and the first catch head 21 are fixed on the lifting mechanism 22, lifting adsorption and lifting sealing processes can be completed by using one lifting mechanism 22, in particular, the packaging bag sealing device 4 is fixed on the lower surface of the lifting mechanism 22, the first catch head 21 is fixed on the side surface of the lifting mechanism 22 far away from the operation table 3, and accordingly, when the slide rail matching piece 24 slides to the foremost end of the operation table slide rail 31 (the end of the operation table 3 near the workpiece conveying device 5), the first catch head 21 and the second catch head are disposed up and down oppositely between the sealing device 4 and the workpiece conveying device 4, and the front end of the packaging bag sealing device 4 can be avoided, and the sealing device can be sealed by the sealing edges of the packaging bag at the front end of the opening position of the first catch head 21.

Fig. 3 is a schematic structural view of the workpiece conveying device provided in the present embodiment. As seen in fig. 1, 3 and 4, the workpiece conveying device 5 includes a holding groove 52, a pushing slide 53, a pushing mechanism 54, a holding groove slide 55 and an oil nozzle 56.

The supporting groove 52 has a storage groove along the front-rear direction, the workpiece to be packaged is placed in the storage groove, the storage groove is preferably formed into a V-shaped groove with two sides gradually recessed towards the middle, the workpiece to be packaged can be ensured to gather in the center of the groove, the outlet end of the supporting groove 52 is a workpiece outlet 51, and the workpiece is directed towards the opening of the packaging bag of the operation table 3, so that the workpiece can be conveyed into the packaging bag.

The pushing slide rail 53 is disposed at a position adjacent to the supporting groove 52 and along the length direction of the operation table, one end of the pushing mechanism 54 is slidably connected with the pushing slide rail 53, the other end is formed into a pushing rod 541, and the pushing rod 541 can be connected with the pushing rod 541 in a cantilever manner, wherein at least part of the pushing rod 541 is disposed corresponding to the shape of the inner surface of the supporting groove 52, preferably, one end of the pushing rod 541 facing the operation table 3 is formed into a pushing plate 5411, and the pushing plate 5411 is formed into a V-shaped plate corresponding to the shape of the inner surface of the supporting groove 52, so that when the pushing rod 541 pushes the workpiece to be packaged backward, the pushing plate 5411 can push the workpiece to the workpiece outlet 51 in a manner of being attached to the inner surface of the supporting groove 52, thereby ensuring that all the workpieces can be pushed into the packaging bag.

The opposite side of bearing groove 52 still is equipped with bearing groove slide rail 55, and bearing groove slide rail 55 sets up along the length direction of operation panel 3, bearing groove 52 and bearing groove slide rail 55 sliding connection, specifically, bearing groove 52 can slide to operation panel 3 along bearing groove slide rail 55 for the work piece export 51 of bearing groove 52 rear end can pass first and catch the wrapping bag opening between the first head 21 and the second and catch the head and get into the wrapping bag inside, can retract after the work piece loading finishes simultaneously, avoids influencing follow-up procedure.

Preferably, fig. 4 is a schematic diagram of the cooperation structure of the pushing rail 53 and the pushing rod 541 in this embodiment. As seen in fig. 1, 3 and 4, the lifting column is arranged below the pushing sliding rail 53, so that the pushing sliding rail 53 can lift up and down, meanwhile, the pushing rod 541 is driven to lift, when the pushing sliding rail 53 lifts up, the pushing rod 541 can be suspended right above the workpiece to be packaged in the supporting groove 52, one or more oil nozzles 56 are formed on the lower surface of the pushing rod 541, and lubricating oil can be pumped in by the lubricating oil pump 6 and sprayed out to the workpiece to be packaged, so that the metal workpiece can be protected from being corroded, and friction between the workpieces and the supporting groove 52 is reduced.

Fig. 5 is a schematic structural view of an air extractor of the packaging system according to the present embodiment. As can be seen from fig. 1 and 5, the suction pipe 71 is disposed at the bottom of the holding tank 52 without contact with the holding tank 52, and the maximum distance between the suction pipe 71 and the holding tank 52 is not more than half the distance between the first catch head 21 and the second catch head, when the first catch head 21 and the second catch head catch both sides of the bag and open the opening of the bag, the diameter of the opening of the bag is substantially equal to the distance between the first catch head 21 and the second catch head, and when the maximum distance between the suction pipe 71 and the holding tank 52 is less than half the distance between the first catch head 21 and the second catch head, the workpiece outlet 51 of the holding tank 52 passes through the opening of the bag at the center of the opening of the bag, and the suction pipe 71 is also within the range of the opening of the bag, so that the suction pipe 71 can pass through the opening of the bag between the holding tank 52 after the loading is completed without alignment.

Preferably, the end of the air extraction short tube 71 facing the operation table 3 may be formed into a flat air extraction opening 711, the end of the air extraction short tube 71 facing the operation table 3 needs to be inserted into the packaging bag during the air extraction process, and the packaging bag is pressed on the surface of the air extraction short tube 71 by the external atmospheric pressure during the air extraction process, so that the entry of external air can be reduced, and the air extraction opening 711 of a flat design is more beneficial to the pressing and sealing of the upper surface and the lower surface of the sheet packaging bag compared with other designs, thereby improving the operation efficiency of vacuum extraction.

Further preferably, the flat extraction opening 711 protrudes from the workpiece outlet 51 of the supporting groove 52, so that when the supporting groove 52 conveys workpieces into the packaging bag, the flat extraction opening 711 just can completely penetrate through the opening of the packaging bag, and the extraction efficiency is improved.

In some preferred embodiments, for the case that the supporting groove 52 can slide on the supporting groove sliding rail 55, the supporting groove 52 can cross the air suction short pipe 71 to cause that the air suction short pipe 71 cannot effectively penetrate into the package bag, in addition, the air suction short pipe 71 is too shallow to affect the vacuumizing effect, and too deep penetration may prevent the package bag sealing device 4 from being pressed down for sealing, so that, preferably, the air suction short pipe 71 is telescopically arranged, and the telescopic direction is parallel to the sliding direction of the supporting groove 52, so that when the supporting groove 52 slides through the package bag opening and completes the loading of the workpiece to be packaged and withdraws from the package bag, the air suction short pipe 71 stretches out to perform air suction, and after the air suction of the package bag is completed, the air suction short pipe 71 can retract to facilitate the subsequent package bag sealing device to press down for sealing.

For example, as shown in fig. 5, the air extractor 7 may include a fixed base 712, the base 712 may be fixed on a fixed bottom plate at the bottom of the supporting groove 52, the expansion plate 713 is fixedly connected below the air extracting short tube 71, the expansion plate 713 includes a fixing portion 7131 and an extending portion 7132, the fixing portion 7131 is fixed on an outer sidewall of the air extracting short tube 71, the extending portion 7132 is connected with the expansion plate 713 through a horizontal expansion rod 714 by a rear end surface of the base 712 formed by the fixing portion extending downward, so the air extracting short tube 71 can expand and contract along the front-rear direction under the pushing of the horizontal expansion rod 714, and the air extracting short tube 71 is driven to expand and contract through the transmission of the expansion plate 713, which is more stable and less prone to damage to the air extracting short tube 71.

Fig. 6 is a schematic cross-sectional view between the operation table and the conveying roller shaft provided in the present embodiment. As shown in fig. 6, the baling system of the present utility model further includes: the packaging bag cutting device 8 is arranged between the operation table 3 and the conveying roller shaft 12, the packaging bag cutting device 8 is provided with a liftable cutting head 81, a cutting blade 82 is formed on the lower surface of the cutting head 81, and a cutting groove 83 is correspondingly formed under the cutting blade 82; an additional package closing device 9 is provided between the package cutting device 8 and the operation table 3. For a strip of packaging bag material, the packaging bag material can be stored and used conveniently by using a packaging bag winding drum, the cost is lower, but the packaging bag material needs to be cut and sealed at two ends, for this reason, the packaging bag system in this embodiment can be further provided with a packaging bag cutting device 8 and an additional packaging bag sealing device 9, wherein the cutting head 81 of the packaging bag cutting device 8 and the thermoplastic head of the additional packaging bag sealing device 9 can be lifted and lowered by two lifting heads respectively, and can also be arranged on the same lifting head, so that after the packaging bag is conveyed to the operation table 3 by the conveying roller shaft 12 to reach a certain size, the packaging bag cutting device 8 is started, the cutting blade 82 moves and cuts along the cutting groove 83, and meanwhile, the additional packaging bag sealing device 9 is pressed downwards at one side of the cutting blade 82 close to the operation table 3 for thermoplastic sealing, so that the cutting and rear end sealing of the packaging bag are realized.

Specifically, as shown in fig. 1 to 6, when the packing system according to the present embodiment is used to pack the workpiece, firstly, the packing bag roll and the conveying roller 12 in the packing bag storage device 1 are rotated in a linked manner, the packing bag is smoothly conveyed to the surface of the operation table 3 at the rear side, after the packing bag conveyed to the operation table 3 reaches a certain size, the packing bag cutting device 8 is pressed down, the cutting blade 82 is cut along the cutting groove 83, and the additional packing bag sealing device 9 is pressed down on the packing bag surface between the cutting blade 82 and the operation table 3, cutting and sealing of the rear end of the packing bag are achieved, and for the cut packing bag, the first catching head 21 is slid along the operation table slide 31 to a position corresponding to the opening of the packing bag at the rear side of the operation table 3, the first catching head 21 is lowered to be adsorbed to the upper surface of the packing bag, then the first catching head 21 is raised and slid forward along the operation table slide 31, the opening of the packing bag is opened by the air drum moved relatively when the height difference of the raising and lowering is moved until the opening of the packing bag is slid to the front end of the operation table slide 31, and the opening of the packing bag is opened beyond the front end of the operation table slide 3, and the opening of the packing bag is completely opened when the first catching head is adsorbed on the front end of the packing bag is opened. On the other hand, the pushing slide rail 53 of the workpiece conveying device 5 is lifted to drive the push rod 541 of the pushing mechanism 54 to lift to a position right above the workpiece to be packaged in the supporting groove 52, the lubricating oil pump 6 supplies lubricating oil to the oil nozzle 56 on the lower surface of the push rod 541, the oil nozzle 56 uniformly sprays lubricating oil to the workpiece to be packaged, then, the supporting groove 52 slides backwards along the supporting groove slide rail 55, the workpiece outlet 51 of the supporting groove 52 enters the packaging bag, the pushing slide rail 53 is lifted until the pushing plate 5411 of the pushing mechanism 54 is attached to the inner surface of the supporting groove 52, the pushing mechanism 54 slides backwards along the pushing slide rail 53 to drive the pushing plate 5411 to push the workpiece to be packaged backwards, meanwhile, the supporting groove 52 retracts along the supporting groove slide rail 55, after the workpiece enters the packaging bag, the air extracting short pipe 71 stretches backwards, the flat air extracting opening 711 stretches into the opening of the packaging bag, the opening device 2 stops adsorbing, the air extractor is started, after the packaging bag vacuumizing process is completed, the air extracting short pipe 71 retracts while the thermoplastic head of the packaging bag sealing device 4 is pressed downwards to seal the opening of the packaging bag, and thus completing the full-automatic packaging process of the workpiece.

In this embodiment, the mechanical device can be utilized to fully automatically complete the processes of conveying the packaging bag, opening, oil spraying, loading, vacuumizing and thermoplastic sealing of the workpiece, so that the mechanical device can be suitable for a more complex packaging flow, and the whole process does not need to be manually participated, so that the operation efficiency is high.

Those of ordinary skill in the art will appreciate that in the various embodiments described above, numerous technical details are set forth in order to provide a better understanding of the present application. However, the technical solutions claimed in the claims of the present application can be basically implemented without these technical details and various changes and modifications based on the above embodiments. Accordingly, in actual practice, various changes may be made in the form and details of the above-described embodiments without departing from the spirit and scope of the utility model.

Claims (7)

1. A vacuum bagging system, comprising:

an operation table;

the workpiece conveying device is provided with a bearing groove capable of internally accommodating a workpiece to be packaged, the outlet end of the bearing groove is a workpiece outlet, and the workpiece outlet is arranged towards the operating platform;

the packaging bag opening device is arranged on one side, close to the workpiece conveying device, of the operating platform and is provided with a first capturing head and a second capturing head which are oppositely arranged;

the air extracting device is provided with an air extracting short pipe communicated with the air extractor, and the air extracting short pipe is arranged at the bottom of the bearing groove.

2. The vacuum bagging system of claim 1, further comprising:

the packaging bag sealing device is arranged between the packaging bag opening device and the operating platform.

3. The vacuum bagging system of claim 2, wherein the maximum distance between the suction nipple and the holding tank is no more than half the distance between the first capture head and the second capture head.

4. The vacuum bagging system of claim 1, wherein an end of the suction nipple facing the console is formed as a flattened suction opening.

5. The vacuum bagging system of claim 4, wherein the suction port protrudes from the workpiece outlet of the holding tank.

6. The vacuum bagging system of claim 1, wherein the workpiece conveying device further comprises:

and the bearing groove sliding rail is arranged along the length direction of the operating platform, and the bearing groove is in sliding connection with the bearing groove sliding rail.

7. The vacuum bagging system of claim 6, wherein the suction device further comprises:

a base;

the expansion plate comprises a fixing part and an extending part, the fixing part is fixed on the outer side wall of the air extraction short pipe, and the extending part is formed by extending downwards from the fixing part;

the base is connected with the extension part of the expansion plate through a horizontal expansion link, and the expansion direction of the horizontal expansion link is parallel to the length direction of the operation table.