Packaging equipment

Abstract

The utility model discloses a packaging device, which is characterized in that a bag body comprises a containing part for materials to fall on the lower part of the bag body and a vacant part on the upper part of the bag body, and the packaging device comprises a bag placing bin, a bearing assembly and a bag pressing assembly, the bag pressing assembly is arranged in the bag placing bin, and a bag pressing track and a bag pressing piece are arranged in the bag placing bin; the bag pressing driving part is used for independently clamping and lifting a bag body, the bag pressing part is used for shaping the bag body on the upper edge of the bag containing bin, the overall size and weight of the driven bag pressing part are lower than the mass of the bag containing bin, energy consumption needed by driving is reduced, the shaping speed and the working efficiency can be improved conveniently, and the labor intensity of workers is lowered. And under the condition of accidental bag pressing failure, the possibility that the bag body is directly pulled and damaged can be reduced by reducing the driving force.

Description

TECHNICAL FIELD

[0001] The utility model relates to product packaging technical field especially packaging equipment. BACKGROUND

[0002] At present, along with the market demand of large quantity improvement, the market needs a large number of products to carry out mechanized packaging and sealing operation to adapt to the demand of a large number of products, among which tea is taken as an example, the present tea packaging bag not only requires tea to be well packaged and multilayer sealed, but also requires the shape of the packaged tea packaging bag to be regular to facilitate arrangement and further in-box placement.

[0003] Common tea packaging bag structure includes the top edge area of the upper part of the packaging bag, the packaging area of the middle part and the bottom edge area at the bottom of the packaging bag, and the packaging area is square in shape, that is, cuboid shape, to accommodate the material to be packaged.

[0004] The existing bag body whole packaging equipment such as 202310175641.X directly utilizes the upper edge of the bag placing bin to press the bag body in the process of vacuumizing, and this method needs to relatively move away the whole bag placing bin and the sealing block, the driving power is large, the energy consumption is high, the speed is slow, and the bag body is prone to damage due to the excessive driving power and the pressure generated by driving the bag placing bin. INVENTION CONTENTS

[0005] In view of the above problems, the present application provides a solution to the problem of moving away the whole bag placing bin and the sealing block, the large driving power, the high energy consumption, the slow speed, and the damage of the bag body due to the excessive driving power and the pressure generated by driving the bag placing bin.

[0006] To achieve the above-mentioned purpose, the present application provides a packaging equipment, the bag body includes a material falling in the containing part of the lower part of the bag body, and the upper part of the bag body is empty, including a bag placing bin, a supporting assembly and a bag pressing assembly;

[0007] The bag placing bin has a bag placing cavity containing the containing part, the bag placing bin includes a first bin body, a second bin body and a first air outlet, the first bin body and the second bin body are relatively reciprocatingly arranged in the horizontal direction, the containing part is located between the first bin body and the second bin body when the first bin body and the second bin body are folded in the horizontal direction, the first bin body and the second bin body are airtight, the first bin body and the second bin body are surrounded to form a bag placing cavity, the first air outlet is connected with the air path of the vacuumizing mechanism, and the air outlet is used to extract the gas in the bag placing bin;

[0008] The supporting assembly is arranged in the bag placing cavity when the first and second bodies are folded in the horizontal direction, and comprises a bag receiving seat and a displacement assembly. The bag receiving seat is used for supporting the bag body, and the displacement assembly is arranged in the bag placing cavity. The bag receiving seat is in transmission connection with the displacement assembly, and the displacement assembly is used for driving the bag receiving seat to move in the height direction and / or the horizontal direction.

[0009] The bag pressing assembly is arranged in the bag placing cavity, and comprises a bag pressing track, a bag pressing member and a bag pressing driving member. The bag pressing track is arranged on the inner side of each of the first and second bodies. The bag pressing member is in sliding connection with the bag pressing track. The bag pressing members arranged on the bag pressing tracks of the first and second bodies are oppositely arranged. The bag pressing driving member is in transmission connection with the bag pressing member, and is used for driving the bag pressing member to move along the bag pressing track.

[0010] In some preferred embodiments, the sealing assembly is arranged above the bag placing cavity. The sealing assembly is provided with a sealing cavity and a second air outlet. The sealing cavity is provided with a sealing block which is matched with the empty part. The second air outlet is in air path connection with the vacuumizing mechanism, and is used for extracting the air in the sealing cavity.

[0011] In some preferred embodiments, the sealing block comprises a first sealing block and a second sealing block. The first sealing block is arranged above the first body, and the second sealing block is arranged above the second body.

[0012] The first sealing block and the second sealing block are arranged in opposite reciprocating motion in the horizontal direction. When the first sealing block and the second sealing block are folded in the horizontal direction, the empty part of the bag body is located between the first sealing block and the second sealing block.

[0013] In some preferred embodiments, the sealing cavity comprises a first vacuum block and a second vacuum block. The first vacuum block comprises a first vacuum cavity, and the second vacuum block comprises a second vacuum cavity. When the first vacuum cavity and the second vacuum cavity are closed, a vacuum chamber is formed.

[0014] In some preferred embodiments, the displacement assembly further comprises a lifting mechanism. The bag receiving seat is connected with the lifting mechanism, and the lifting mechanism is used for driving the bag receiving seat to move in the height direction.

[0015] In some preferred embodiments, the displacement assembly further comprises a translation mechanism which is used for driving the bag receiving seat to move in the horizontal direction. When the first and second bodies are folded in the horizontal direction, the translation mechanism drives the bag receiving seat to move to a position corresponding to the folding position of the first and second bodies. When the first and second bodies are separated in the horizontal direction, the translation mechanism drives the bag receiving seat to move to the exposed space between the first and second bodies.

[0016] In some preferred embodiments, the translation mechanism comprises a top rod and a reset member;

[0017] The top rod is arranged towards the direction of the second bin body and is in transmission connection with the bag receiving seat, and one end of the top rod towards the second bin body is in abutment with the inner wall of the second bin body. When the top rod is in abutment with the inner wall of the second bin body during the folding process of the first bin body and the second bin body in the horizontal direction, the bag receiving seat is pushed to move towards the direction of the first bin body;

[0018] When the top rod is not in abutment with the inner wall of the second bin body, the reset member pushes the bag receiving seat to move towards the direction of the second bin body.

[0019] In some preferred embodiments, the translation mechanism is arranged in the first bin body.

[0020] In some preferred embodiments, the bag pressing driving member is selected from an electric push rod, a pneumatic push rod or a hydraulic push rod.

[0021] Unlike the prior art, in the above technical solution, the bag pressing assembly is arranged in the bag placing bin, the bag pressing track and the bag pressing member are arranged in the bag placing bin, the bag pressing driving member is used to independently perform the clamping and lifting operation of the bag body, the bag body is shaped by the upper edge of the bag pressing member in the bag placing bin, the overall size and weight of the driven bag pressing member are lower than the mass of the bag placing bin, the energy consumption required for driving is reduced, and the shaping speed and working efficiency are improved. In the case of accidental bag pressing failure, the possibility of direct tearing and damage of the bag body is reduced by reducing the driving force.

[0022] The above description is only a summary of the technical solutions of the present application. In order to more clearly understand the technical means of the present application, the content of the specification can be implemented, and in order to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the following specific embodiments of the present application are described. BRIEF DESCRIPTION OF DRAWINGS

[0023] Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The accompanying drawings are included to provide a better understanding of the preferred embodiments, and are not considered limiting of the present application. Moreover, in the entire description and claims, similar reference numerals are used to denote similar components throughout the several views. In the drawings:

[0024] Figure 1 It is a schematic diagram of the opening state of the packaging equipment in the embodiment of the present application;

[0025] Figure 2 It is a schematic diagram of the closing state of the packaging equipment in the embodiment of the present application;

[0026] Figure 3 Figure 1 is a first working state schematic diagram of the packaging equipment in the embodiment of the present application;

[0027] Figure 4 Figure 2 is a second working state schematic diagram of the packaging equipment in the embodiment of the present application;

[0028] Figure 5 Figure 3 is a detailed structure schematic diagram of the sealing assembly in the embodiment of the present application.

[0029] Explanation of reference signs:

[0030] 10, bag body;

[0031] 11, containing part; 12, empty part;

[0032] 20, bag storage bin;

[0033] 21, bag storage cavity; 22, first bin body; 23, second bin body; 24, first air outlet;

[0034] 30, supporting assembly;

[0035] 31, bag receiving seat; 32, lifting mechanism; 33, translation mechanism; 34, top rod; 35, reset member;

[0036] 40, bag pressing assembly;

[0037] 41, bag pressing track; 42, bag pressing member; 43, bag pressing driving member;

[0038] 50, sealing assembly;

[0039] 51, sealing cavity; 52, second air outlet; 53, sealing block; 54, first sealing block;

[0040] 55, second sealing block; 56, first vacuum block; 57, second vacuum block;

[0041] 58, first vacuum cavity; 59, second vacuum cavity. DETAILED DESCRIPTION

[0042] The embodiments of the technical scheme of the present application will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical scheme of the present application, and therefore only serve as examples, and cannot limit the protection scope of the present application.

[0043] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of this application; the use of the terms "including," "comprising," or "having" and variations thereof herein is intended to be broad and encompass the terms "consisting of" and "consisting essentially of" and variations thereof. Unless otherwise noted, the terms "including" and "comprising" are open-ended and do not exclude the presence of unrecited elements or limitations.

[0044] In the description of the embodiments of the present application, the technical terms "first", "second", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly and specifically limited.

[0045] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearance of the phrase in various places in the specification does not necessarily all refer to the same embodiment, nor is it necessarily independent or alternative embodiments to each other. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0046] In the description of the embodiments of the present application, the term "and / or" is only a description of the association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B, which can represent the three cases of A alone, A and B together, and B alone. In addition, the character " / " herein generally represents an "or" relationship between the front and rear associated objects.

[0047] In the description of the embodiments of the present application, the term "a plurality of" refers to two or more (including two), and similarly, "a plurality of groups" refers to two or more groups (including two groups), and "a plurality of pieces" refers to two or more pieces (including two pieces).

[0048] In the description of the embodiments of the present application, the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the embodiments of the present application.

[0049] In the description of the embodiments of the present application, unless otherwise explicitly specified and limited, the technical terms "mounting", "connecting", "connecting", "fixing" and other terms should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0050] Please refer to Figures 1 to 5 The present application provides a packaging device, a bag body 10 includes a material falling in the lower part of the bag body, and the upper part of the bag body 10 is empty, including a bag placing bin 20, a supporting assembly 30 and a bag pressing assembly 40. The bag placing bin 20 has a bag placing cavity 21 accommodating the accommodating part 11 of the bag body 10, the bag placing bin 20 includes a first bin body 22, a second bin body 23 and a first air outlet 24, the first bin body 22 and the second bin body 23 are reciprocally arranged in the horizontal direction, the accommodating part 11 is located between the first bin body 22 and the second bin body 23 when the first bin body 22 and the second bin body 23 are folded in the horizontal direction, the first bin body 22 and the second bin body 23 are airtight, the first bin body 22 and the second bin body 23 are surrounded to form the bag placing cavity 21, the first air outlet 24 is connected with the air path of the vacuumizing mechanism, and the air outlet is used for extracting the gas in the bag placing bin. The supporting assembly 30 is placed in the bag placing cavity 21 when the first bin body 22 and the second bin body 23 are folded in the horizontal direction, including a bag receiving seat 31 and a displacement assembly, the bag receiving seat 31 is used for supporting the bag body 10, the displacement assembly is arranged in the bag placing bin 20, the bag receiving seat 31 is drivingly connected with the displacement assembly, and the displacement assembly is used for driving the bag receiving seat to move in the height direction and / or the horizontal direction;

[0051] The bag pressing assembly 40 is arranged in the bag placing bin 20, including a bag pressing rail 41, a bag pressing piece 42 and a bag pressing driving piece 43, the bag pressing rail 41 is arranged on the inner side of the first bin body 22 and the second bin body 23 respectively, the bag pressing piece 42 is slidingly connected on the bag pressing rail 41, and the bag pressing pieces 42 arranged on the bag pressing rails 41 of the first bin body 22 and the second bin body 23 are oppositely arranged, the bag pressing driving piece 43 is drivingly connected with the bag pressing piece 42, and is used for driving the bag pressing piece 42 to move along the bag pressing rail 41.

[0052] Please refer to Figures 1 to 5In some preferred embodiments, a sealing assembly 50 is further included, which is arranged above the bag placing bin 20. The sealing assembly 50 is provided with a sealing cavity 51 and a second air outlet 52. The sealing cavity 51 is provided with a sealing block 53 which is matched with the empty part 12. The second air outlet 52 is connected with the air path of the vacuumizing mechanism, and is used to extract the air in the sealing cavity 51.

[0053] Please refer to Figures 1 to 5 In some preferred embodiments, the sealing block 53 includes a first sealing block 54 and a second sealing block 55. The first sealing block 54 is arranged above the first bin body 22, and the second sealing block 55 is arranged above the second bin body 23.

[0054] The first sealing block 54 and the second sealing block 55 are arranged in reciprocal movement in the horizontal direction. When the first sealing block 54 and the second sealing block 55 are folded in the horizontal direction, the empty part of the bag body 10 is located between the first sealing block 54 and the second sealing block 55.

[0055] In actual use, when the empty part of the bag body needs to be fixed, the first sealing block and the second sealing block are fixedly attached to the empty part, which facilitates the fixation, negative pressure suction and sealing treatment of the empty part of the bag body.

[0056] Please refer to Figures 1 to 5 In some preferred embodiments, the sealing cavity 51 includes a first vacuum block 56 and a second vacuum block 57. The first vacuum block 56 includes a first vacuum cavity 58, and the second vacuum block 57 includes a second vacuum cavity 59. When the first vacuum cavity 58 and the second vacuum cavity 59 are closed, a vacuum chamber is formed. In actual use, the empty part of the bag body is inserted between the first vacuum block and the second vacuum block. The first vacuum block and the second vacuum block are attached to each other to clamp the empty part of the bag body. The first vacuum cavity and the second vacuum cavity are connected to each other to form a vacuum chamber. Then, the second air outlet starts to work to suck the air in the first vacuum cavity and the second vacuum cavity of the first vacuum block and the second vacuum block. After the air in the empty part and the content part of the bag body is sucked, the first sealing block and the second sealing block are used for sealing treatment.

[0057] Please refer to Figures 1 to 5 In some preferred embodiments, the displacement assembly further includes a lifting mechanism 32. The bag receiving seat 31 is connected with the lifting mechanism 32. The lifting mechanism 32 is used to drive the bag receiving seat 31 to move in the height direction.

[0058] Please refer to Figures 1 to 5In some preferred embodiments, the displacement assembly further comprises a translation mechanism for moving the bag receiving seat 31 in a horizontal direction; when the first housing 22 and the second housing 23 are closed in the horizontal direction, the translation mechanism 33 moves the bag receiving seat 31 to a position corresponding to the closing position of the first housing 22 and the second housing 23; when the first housing 22 and the second housing 23 are separated in the horizontal direction, the translation mechanism 33 moves the bag receiving seat 31 to the exposed space between the first housing 22 and the second housing 23. This facilitates the operation of the operator or the mechanical clamping, the mechanical clamping and the suction cup structure to extract and reposition the completed packaging bag.

[0059] For a better understanding of the present application, reference will be made to the following drawings: Figures 1 to 5 In some preferred embodiments, the translation mechanism comprises a jack 34 and a return member 35; the jack 34 is arranged towards the second housing 23 and is in transmission connection with the bag receiving seat 31, and one end of the jack 34 towards the second housing 23 is in abutting fit with the inner wall of the second housing 23; when the jack 34 abuts against the inner wall of the second housing 23 during the closing process of the first housing 22 and the second housing 23 in the horizontal direction, the jack 34 pushes the bag receiving seat 31 to move towards the first housing 22.

[0060] When the jack 34 does not abut against the inner wall of the second housing 23, the return member 35 pushes the bag receiving seat 31 to move towards the second housing 23.

[0061] In the above embodiments, the return member is a spring.

[0062] In some preferred embodiments, the translation mechanism 33 is arranged in the first housing 22.

[0063] In some preferred embodiments, the bag pressing driving member is an electric push rod, a pneumatic push rod or a hydraulic push rod.

[0064] According to the above structure, in the actual use process of the packaging device, when only the vacuumizing operation is needed, the bag is placed on the bag receiving seat, the containing part of the bag is placed with the material, the bag receiving seat is adjusted in height by the lifting mechanism. Then the first housing and the second housing clamp the containing part of the bag, and form a bag placing cavity between the first housing and the second housing, the translation mechanism further adjusts the relative position of the bag receiving seat, the containing part is placed in the bag placing cavity, the space of the first vacuum cavity and the second vacuum cavity is combined with each other to form a vacuum chamber, one end of the containing part of the bag is opened in the vacuum chamber, the second air outlet works to form a negative pressure in the vacuum chamber, the air in the bag between the first vacuum cavity and the second vacuum cavity is extracted, and then the first sealing block and the second sealing block are clamped and fixed to seal the containing part.

[0065] When it is needed to shape the bag during the process of bagging and vacuumizing, the bag is placed on the bag receiving seat, and the containing part of the bag is placed with materials, and the bag receiving seat is adjusted in height by the lifting mechanism. Then the first bin body and the second bin body clamp the empty part of the bag, and a bag placing cavity is formed between the first bin body and the second bin body, and the relative position of the bag receiving seat is further adjusted by the translation mechanism, and the containing part is placed in the bag placing cavity, and the first air outlet extracts the air in the bag placing cavity to perform vacuumizing operation, and the air in the bag placing cavity is extracted to make the containing part of the bag expand and form. After the expansion is completed, the first air outlet stops working, and the air pressure of the bag placing cavity is restored. The bag pressing part of the bag pressing assembly is opposite to and contacts the empty part, and under the action of the bag pressing driving part, moves downward along the bag pressing track to the specified setting position, and further processes the containing part of the bag (one end of the empty part of the bag is opened in the vacuum chamber). The space of the first vacuum cavity and the second vacuum cavity is combined with each other to form a vacuum chamber, the second air outlet works and forms negative pressure in the vacuum chamber, and the air in the bag between the first vacuum cavity and the second vacuum cavity is extracted, so that when the air amount of the containing part is insufficient to make the bag expand during the shaping process, the air is input to the containing part from the empty part under the negative pressure state of the bag placing cavity to supplement the air expansion of the containing part, and when the air in the bag containing cavity is too much, the sealing cavity is under negative pressure (one end of the empty part of the bag is opened in the vacuum chamber), and the vacuum chamber performs negative pressure suction on the empty part to extract the excess gas of the containing part through the empty part of the bag. The bag pressing part further cooperates to extract the air and shape the containing part of the bag, and then the first sealing block and the second sealing block are relied on to clamp and fix to seal the empty part. In some preferred embodiments, if it is needed to fill nitrogen in the containing part of the bag to protect the materials in the bag, the air in the containing part and the empty part is first extracted by the vacuum chamber, and when the gas is refilled in the vacuum chamber, the nitrogen is filled, the first air outlet in the bag placing cavity works to make the containing part of the bag expand, and the nitrogen in the vacuum chamber is sucked into the containing part to complete the nitrogen filling, and the subsequent shaping of the containing part, and optionally the extraction of the containing part or no extraction of the containing part, and then the first sealing block and the second sealing block of the sealing assembly are relied on to seal the empty part of the bag.

[0066] In the above embodiments, the packaging device includes any one of a tea leaf packaging device, a flour packaging device, a salt packaging device, and a rice packaging device.

[0067] In the above embodiments, the packaging device can be controlled by the port connection controller through the electric wire and the signal line. The controller is responsible for the flow management of the program. According to the program pre-programmed by the user, the controller takes each instruction from the memory in turn, places it in the instruction register, determines what operation should be performed through instruction decoding (analysis), and then sends micro-operation control signals to the corresponding components according to the determined time sequence through the operation controller. The computer program in the embodiments can be stored in the computer readable storage medium in the controller. The storage medium is an electronic element with data storage function, including but not limited to: RAM, ROM, magnetic disk, magnetic tape, optical disk, flash memory, U disk, mobile hard disk, memory card, memory stick, etc. It can also be read from the server or the cloud through the network.

[0068] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should be covered in the scope of the claims and the specification of the present application. Especially, as long as there is no structural conflict, the technical features mentioned in each embodiment can be combined in any way. The present application is not limited to the specific embodiments disclosed in the text, but includes all technical solutions falling within the scope of the claims.

Claims

1. A packaging apparatus, a bag body including a receiving portion in which a material falls in a lower portion of the bag body, and an empty portion in an upper portion of the bag body, characterized by, The bag placing bin, the supporting assembly and the bag pressing assembly are included. The bag placing bin has a bag placing cavity accommodating the accommodating part, and the bag placing bin includes a first bin body and a second bin body. The first bin body and the second bin body are arranged to reciprocate relative to each other in the horizontal direction. When the first bin body and the second bin body are folded in the horizontal direction, the accommodating part is located between the first bin body and the second bin body. The first bin body and the second bin body are in airtight fit. The first bin body and the second bin body enclose the bag placing cavity. The first air outlet is connected with the air path of the vacuumizing mechanism, and the first air outlet is used to extract the gas in the bag placing bin. The supporting assembly is located in the bag placing cavity when the first bin body and the second bin body are folded in the horizontal direction. The supporting assembly includes a bag receiving seat and a displacement assembly. The bag receiving seat is used to support the bag body. The displacement assembly is arranged in the bag placing bin. The bag receiving seat is in transmission connection with the displacement assembly. The displacement assembly is used to drive the bag receiving seat to move in the height direction and / or the horizontal direction. The bag pressing assembly is arranged in the bag placing bin. The bag pressing assembly includes a bag pressing track, a bag pressing piece and a bag pressing driving piece. The bag pressing track is arranged on the inner side of the first bin body and the second bin body respectively. The bag pressing piece is in sliding connection with the bag pressing track. The bag pressing pieces arranged on the bag pressing tracks of the first bin body and the second bin body are arranged opposite to each other. The bag pressing driving piece is in transmission connection with the bag pressing piece, and is used to drive the bag pressing piece to move along the bag pressing track.

2. The packaging apparatus of claim 1, wherein, The sealing assembly is arranged above the bag placing bin. The sealing assembly is provided with a sealing cavity and a second air outlet. The sealing cavity is provided with a sealing block. The sealing block is matched with the empty part. The second air outlet is connected with the air path of the vacuumizing mechanism. The second air outlet is used to extract the gas in the sealing cavity.

3. The packaging apparatus of claim 2, wherein, The sealing block includes a first sealing block and a second sealing block. The first sealing block is arranged above the first bin body. The second sealing block is arranged above the second bin body. The first sealing block and the second sealing block are arranged to reciprocate relative to each other in the horizontal direction. When the first sealing block and the second sealing block are folded in the horizontal direction, the empty part of the bag body is located between the first sealing block and the second sealing block.

4. The packaging apparatus of claim 2, wherein, The sealing cavity includes a first vacuum block and a second vacuum block. The first vacuum block includes a first vacuum cavity. The second vacuum block includes a second vacuum cavity. When the first vacuum cavity and the second vacuum cavity are closed, a vacuum chamber is formed.

5. The packaging apparatus of claim 1, wherein, The displacement assembly further includes a lifting mechanism. The bag receiving seat is connected with the lifting mechanism. The lifting mechanism is used to drive the bag receiving seat to move in the height direction.

6. The packaging apparatus of claim 1, wherein, The displacement assembly further includes a translation mechanism. The translation mechanism is used to drive the bag receiving seat to move in the horizontal direction. When the first bin body and the second bin body are folded in the horizontal direction, the translation mechanism drives the bag receiving seat to move to a position corresponding to the folding position of the first bin body and the second bin body. When the first bin body and the second bin body are separated in the horizontal direction, the translation mechanism drives the bag receiving seat to move to the exposed space between the first bin body and the second bin body.

7. The packaging apparatus of claim 6, wherein, The translation mechanism includes a top rod and a reset piece. The top rod is arranged towards the second bin body and is in transmission connection with the bag receiving seat, and one end of the top rod towards the second bin body is in abutting fit with the inner wall of the second bin body. When the top rod abuts against the inner wall of the second bin body during the folding of the first bin body and the second bin body in the horizontal direction, the bag receiving seat is pushed to move towards the first bin body. When the top rod does not abut against the inner wall of the second bin body, the reset member pushes the bag receiving seat to move towards the second bin body.

8. The packaging apparatus of claim 7, wherein, The translation mechanism is arranged in the first bin body.

9. The packaging apparatus of claim 7, wherein, The bag pressing driving member is selected from an electric push rod, a pneumatic push rod or a hydraulic push rod.

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