Blister air displacement device and blister packaging mechanism

Abstract

The application discloses an air replacement device in a blister eye, and relates to the technical field of packaging equipment, comprising two enclosing parts, the two enclosing parts are used for being fixedly arranged on the two sides of the width direction of upper packaging and lower packaging of a heat sealing tool, and the two opposite inner wall surfaces of the two enclosing parts and the lower side surface of the upper packaging and the upper side surface of the lower packaging enclose a replacement cavity, and the replacement cavity is used for continuously introducing protective gas. The air replacement device in the blister eye can replace the air in the blister eye, and improves the preservation effect of the article. The application further provides a blister packaging mechanism.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of packaging equipment, in particular to an air replacement device in blister eye and a blister packaging mechanism. BACKGROUND

[0002] The aluminum plastic plate or double aluminum plate is usually formed by a blister packaging mechanism, which packages the upper aluminum foil material and the lower plastic or soft aluminum packaging material, mainly by a heat sealing device to realize heat sealing of the upper and lower packaging materials. The lower plastic or soft aluminum packaging material is provided with a blister eye, and the blister eye can be used to put medicines and other articles for packaging. For example, the aluminum plastic blister packaging machine provided in patent CN208021812U is provided with continuously conveyed aluminum foil and PVC bubble film passing through the gap between the heat sealing workbench. The PVC bubble film is provided with a bubble film groove, i.e., a blister eye. The heat sealing workbench makes the upper and lower work modules extrude to heat seal the aluminum foil and the PVC bubble film. However, after such heat sealing, there is air in the blister eye, which can easily affect the articles in the blister eye and affect the storage life. SUMMARY

[0003] The purpose of the present application is to provide an air replacement device in a blister eye and a blister packaging mechanism to solve the problems existing in the prior art and to replace the air in the blister eye to improve the storage effect of the articles.

[0004] To achieve the above-mentioned purpose, the present application provides the following solutions:

[0005] The present application provides an air replacement device in a blister eye, which comprises two enclosing parts. The two enclosing parts are used to be fixedly arranged on both sides of the width direction of the upper packaging and the lower packaging of the heat sealing tool. The opposite inner walls of the two enclosing parts and the lower side of the upper packaging and the upper side of the lower packaging form a replacement cavity. The replacement cavity is used to continuously introduce protective gas.

[0006] Preferably, the two enclosing parts are fixedly connected with the rack.

[0007] Preferably, the inner walls of the two enclosing parts are used to abut the two sides of the width direction of the upper packaging and the lower packaging, respectively.

[0008] Preferably, the cross section of the two enclosing parts is C-shaped.

[0009] Preferably, the two enclosing parts are made of stainless steel.

[0010] Preferably, the air blowing pipe is fixedly arranged between the two enclosing parts and is used to be arranged between the upper packaging and the lower packaging. The air blowing pipe is connected with the external gas supply device and is used to blow protective gas into the replacement cavity.

[0011] Preferably, the length direction of the blowing pipe is used along the width direction of the lower layer package, and the blowing pipe is provided with a plurality of blowing holes distributed along the length direction.

[0012] Preferably, both of the two surrounding pieces can extend to the front end of the heat sealing tool along the conveying direction away from the upper layer package and the lower layer package, the blowing pipe is arranged between the portions of the two surrounding pieces located at the front end of the heat sealing tool, and the blowing holes are arranged on the side of the blowing pipe close to the heat sealing tool and the lower layer package.

[0013] Preferably, an exhaust pipe is further arranged between the portions of the two surrounding pieces located at the front end of the heat sealing tool and used for being arranged between the upper layer package and the lower layer package; the exhaust pipe is used for being connected with an external air suction device and used for sucking the protective gas in the displacement cavity.

[0014] The application further provides a blister packaging mechanism comprising a rack, a heat sealing tool and the blister cavity air displacement device as described above; the heat sealing tool is arranged on the rack, and the upper layer package and the lower layer package are conveyed on the rack.

[0015] The application has the following technical effects relative to the prior art:

[0016] The blister cavity air displacement device provided by the application can form a displacement cavity between the surrounding pieces and the upper layer package and the lower layer package by arranging two surrounding pieces to surround both sides of the upper layer package and the lower layer package in the width direction of the heat sealing tool, and can keep the upper layer package and the lower layer package located in the middle of the heat sealing tool under positive pressure of the protective gas by continuously supplying air into the displacement cavity, so that the air in the blister cavity of the lower layer package is displaced by the protective gas, the blister cavity is filled with the protective gas after heat sealing, and the preservation effect of the goods in the blister cavity is improved; and the surrounding pieces are arranged on both sides of the upper layer package and the lower layer package in the width direction, and do not affect the conveying of the upper layer package and the lower layer package and the heat sealing action of the heat sealing tool.

[0017] The blister packaging mechanism provided by the application can keep the upper layer package and the lower layer package located in the middle of the heat sealing tool under positive pressure of the protective gas, so that the air in the blister cavity of the lower layer package is displaced by the protective gas, the blister cavity is filled with the protective gas after heat sealing, and the preservation effect of the goods in the blister cavity is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the following will briefly introduce the drawings needed in the embodiments. Obviously, the drawings described below are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative effort.

[0019] Figure 1 A front view schematic diagram of the air replacement device in the blister eye provided for example one;

[0020] Figure 2 A left view schematic diagram of the air replacement device in the blister eye provided for example one.

[0021] Figure legend: 10-air replacement device in the blister eye; 11-enclosure; 12-replacement cavity; 13-purging pipe; 14-blowing hole; 15-exhaust pipe; 20-heat sealing tool; 30-upper packaging; 40-lower packaging. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] The purpose of the present application is to provide an air replacement device in the blister eye and a blister packaging mechanism to solve the problems existing in the prior art, which can replace the air in the blister eye and improve the preservation effect of the goods.

[0024] In order to make the above-mentioned purposes, characteristics and advantages of the present application more obvious and easy to understand, the present application will be further described in detail below in combination with the drawings and specific embodiments.

[0025] Example one

[0026] The present embodiment provides an air replacement device 10 in the blister eye, please see Figure 1 and Figure 2 , including two enclosure 11, two enclosure 11 for fixedly arranged in the width direction of the heat sealing tool 20 on the upper packaging 30 and lower packaging 40 both sides, and the two inner wall surface of two enclosure 11 and the lower side of the upper packaging 30 and the upper side of the lower packaging 40 form a replacement cavity 12, the replacement cavity 12 is used for continuously into the protective gas.

[0027] The two enclosing pieces 11 are arranged on both sides of the width direction of the upper layer package 30 and the lower layer package 40 in the heat sealing tool 20, so that the enclosing piece 11 and the upper layer package 30 and the lower layer package 40 can form the replacement cavity 12, and the replacement cavity 12 is continuously supplied with air, so that the upper layer package 30 and the lower layer package 40 in the middle of the heat sealing tool 20 are kept in positive pressure protection gas, the air in the bubble eye of the lower layer package 30 is replaced by the protection gas, the bubble eye is filled with the protection gas after heat sealing, and the storage effect of the product in the bubble eye is improved; and since the width of the upper layer package 30 and the lower layer package 40 between the heat sealing tools 20 is usually greater than the width of the formed aluminum-plastic plate or double aluminum plate, the enclosing piece 11 is arranged on both sides of the width direction of the upper layer package 30 and the lower layer package 40, which does not affect the conveying of the upper layer package 30 and the lower layer package 40 and the downward heat sealing or upward heat sealing action of the heat sealing tool 20.

[0028] Specifically, the protection gas can be nitrogen.

[0029] In an optional solution of the embodiment, preferably, the two enclosing pieces 11 are fixedly connected with the rack, so that the position of the enclosing piece 11 is kept, and when the upper layer package 30 and the lower layer package 40 are conveyed to the heat sealing tool 20, the enclosing piece 11 can enclose the replacement cavity 12 with the upper layer package 30 and the lower layer package 40, so as to facilitate the replacement of the protection gas.

[0030] In an optional solution of the embodiment, preferably, the inner walls of the two enclosing pieces 11 are respectively abutted with both sides of the width direction of the upper layer package 30 and the lower layer package 40, so that the two sides of the replacement cavity 12 are kept sealed, the two sides of the replacement cavity 12 along the conveying direction are kept in communication with the outside, and the air replacement is completed.

[0031] In an optional solution of the embodiment, preferably, the two enclosing pieces 11 are arranged in a C-shaped cross section, which can enclose both sides of the width direction of the upper layer package 30 and the lower layer package 40; further, the two enclosing pieces 11 are made of stainless steel, which has heat resistance.

[0032] Specifically, the enclosing piece 11 can be a C-shaped steel, which is fixedly connected with the rack through a connecting rod, and the specific size of the C-shaped steel can avoid the heat sealing action of the heat sealing tool 20.

[0033] In addition, the enclosing piece 11 is not limited to the above shape, but can also be arranged in a flat plate shape, which can also enclose both sides of the width direction of the upper layer package 30 and the lower layer package 40.

[0034] In an optional solution of the embodiment, preferably, the air replacement device 10 provided by the embodiment further comprises a purge pipe 13 fixedly arranged between the two enclosing members 11 and arranged between the upper layer package 30 and the lower layer package 40, the purge pipe 13 is used for being connected with an external gas supply device and blowing protective gas into the replacement cavity 12, and the replacement efficiency is improved by arranging the purge pipe 13; wherein the external gas supply device can be a nitrogen tank capable of being controlled to open and close.

[0035] Specifically, one end of the purge pipe 13 is fixedly connected with one enclosing member 11 and closed, and the other end is connected with the external gas supply device through the other enclosing member 11.

[0036] Further preferably, the length direction of the purge pipe 13 is used for the width direction of the lower layer package 40, and a plurality of gas blowing holes 14 are arranged on the length direction of the purge pipe 13, the plurality of gas blowing holes 14 are distributed along the length direction, and the air replacement efficiency in the replacement cavity 12 is further improved.

[0037] Further preferably, the two enclosing members 11 can extend to the front end of the heat sealing tool 20 along the conveying direction away from the upper layer package 30 and the lower layer package 40, that is, the length of the replacement cavity 12 is extended, the purge pipe 13 is arranged between the portions of the two enclosing members 11 located at the front end of the heat sealing tool 20, and the gas blowing holes 14 are arranged on the side of the purge pipe 13 close to the heat sealing tool 20 and the lower layer package 40. Figure 1 Specifically, the plurality of gas blowing holes 14 are arranged on the right side and the lower side of the purge pipe 13, and can directly blow into the bubble eye, thereby improving the air replacement efficiency of the bubble eye; the purge pipe 13 is arranged at the front end of the heat sealing tool 20, thereby avoiding affecting the action of the heat sealing tool 20.

[0038] Further preferably, the air replacement device 10 provided by the embodiment further comprises an exhaust pipe 15 arranged between the portions of the two enclosing members 11 located at the front end of the heat sealing tool 20 and arranged between the upper layer package 30 and the lower layer package 40; the exhaust pipe 15 is used for being connected with an external gas suction device and sucking the protective gas in the replacement cavity 12, wherein the structure of the exhaust pipe 15 can be arranged the same as the purge pipe 13, and the difference is that the exhaust pipe 15 is used for being connected with the external gas suction device, and after the action of the heat sealing tool 20 is completed, the remaining protective gas in the replacement cavity 12 can be recovered or sucked away by the external gas suction device; specifically, the external gas suction device can be a negative pressure device.

[0039] Embodiment two

[0040] The embodiment provides a blister packaging mechanism, which comprises a rack, a heat sealing tool 20 and the blister eye inner air replacement device 10 provided in the embodiment one; the heat sealing tool 20 is arranged on the rack, and the upper layer packaging 30 and the lower layer packaging 40 are conveyed on the rack; the specific structure of the rack of the blister packaging mechanism and the heat sealing tool 20 and the like are conventional structures, which are mentioned in the patent CN208021812U, and will not be repeated here.

[0041] The principles and implementation manners of the present application are described by using specific examples in the present application, and the above embodiment description is only used for helping to understand the method and core idea of the present application; meanwhile, for the general technical personnel in the field, the specific implementation manners and application ranges will be changed according to the idea of the present application. In conclusion, the content of the specification should not be understood as the limitation of the present application.

Claims

1. An intra-lenticule air displacement device, characterized by: The device comprises a blowing pipe (13) and two enclosing pieces (11), the two enclosing pieces (11) are arranged on both sides of the upper layer package (30) and the lower layer package (40) in the width direction of the heat sealing tool (20), the inner walls of the two enclosing pieces (11) are respectively arranged in abutment with both sides of the upper layer package (30) and the lower layer package (40) in the width direction, and the opposite inner walls of the two enclosing pieces (11) enclose a replacement cavity (12) with the lower side of the upper layer package (30) and the upper side of the lower layer package (40), the replacement cavity (12) is sealed on both sides and keeps in communication with the outside along the two sides in the conveying direction; The blowing pipe (13) is arranged between the two enclosing pieces (11) and between the upper layer package (30) and the lower layer package (40), the length direction of the blowing pipe (13) is arranged along the width direction of the lower layer package (40), the blowing pipe (13) is provided with a plurality of blowing holes (14) distributed along the length direction, the blowing holes (14) are arranged on the side of the blowing pipe (13) close to the heat sealing tool (20) and the lower layer package (40), the blowing pipe (13) is connected with an external gas supply device and blows the protective gas in the replacement cavity (12) through the blowing holes (14), and the blowing holes (14) can directly blow into the bubble eye; The cross section of the two enclosing pieces (11) is C-shaped, and the two enclosing pieces (11) can extend to the front end of the heat sealing tool (20) along the conveying direction away from the upper layer package (30) and the lower layer package (40), and the blowing pipe (13) is arranged between the parts of the two enclosing pieces (11) at the front end of the heat sealing tool (20).

2. The intraocular lens air displacement device of claim 1, wherein: The two enclosing pieces (11) are fixedly connected with the rack.

3. The intraocular lens air displacement device of claim 1, wherein: The two enclosing pieces (11) are made of stainless steel.

4. The intraocular lens air displacement device of claim 1, wherein: The device further comprises an exhaust pipe (15) arranged between the parts of the two enclosing pieces (11) at the front end of the heat sealing tool (20) and between the upper layer package (30) and the lower layer package (40), the exhaust pipe (15) is connected with an external air suction device and is used for sucking the protective gas in the replacement cavity (12).

5. A blister pack mechanism characterized by: The device comprises a rack, a heat sealing tool (20) and the bubble eye air replacement device (10) according to any one of claims 1-4, the heat sealing tool (20) is arranged on the rack, and the upper layer package (30) and the lower layer package (40) are conveyed on the rack.

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