CN210047716U

CN210047716U - Exhaust device and sealing equipment with same

Info

Publication number: CN210047716U
Application number: CN201920645551.1U
Authority: CN
Inventors: 吴汉森; 罗坚; 周大威; 郑龙; 吴列; 张斌才
Original assignee: Maider Medical Industry Equipment Co Ltd
Current assignee: Maider Medical Industry Equipment Co Ltd
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-02-11
Anticipated expiration: 2029-04-30

Abstract

The utility model provides an exhaust apparatus and have its sealing equipment, this exhaust apparatus is used for exhausting so that seal the wrapping bag, and exhaust apparatus includes: the first exhaust assembly and the second exhaust assembly are arranged relatively movably; a clamping space is formed between the first exhaust assembly and the second exhaust assembly so as to clamp the packaging bag in the clamping space for exhausting when the first exhaust assembly and the second exhaust assembly move relatively close to each other; the leak detection assembly is arranged on the first exhaust assembly or the second exhaust assembly to detect whether articles are contained in the packaging bag located in the clamping space. The utility model discloses an exhaust apparatus has solved the wrapping bag among the prior art and has not loaded the problem that is sealed promptly.

Description

Exhaust device and sealing equipment with same

Technical Field

The utility model relates to the field of packaging technology, particularly, relate to an exhaust apparatus and have its sealing equipment.

Background

The current medical catheter need put into the wrapping bag after selling and using to guarantee sterile environment, but the pipe is when going on the bagging-off, can have the phenomenon of neglected loading in some wrapping bags, leads to the wrapping bag not to put into the pipe and seal the problem that the mouth carries out the sale promptly, even the later stage inspects the wrapping bag neglected loading when the inspection of going out on the spot and also can cause the unable continuation of use of wrapping bag, extravagant material.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an exhaust apparatus and have its sealing equipment to the wrapping bag of solving among the prior art does not feed and is sealed the problem promptly.

In order to achieve the above object, according to an aspect of the present invention, there is provided an exhaust apparatus for exhausting a packing bag so as to seal the opening, the exhaust apparatus comprising: the first exhaust assembly and the second exhaust assembly are arranged relatively movably; a clamping space is formed between the first exhaust assembly and the second exhaust assembly so as to clamp the packaging bag in the clamping space for exhausting when the first exhaust assembly and the second exhaust assembly move relatively close to each other; the leak detection assembly is arranged on the first exhaust assembly or the second exhaust assembly to detect whether articles are contained in the packaging bag located in the clamping space.

Further, the exhaust apparatus further includes: the first driving assembly is connected with the first exhaust assembly and/or the second exhaust assembly respectively so as to drive the first exhaust assembly and the second exhaust assembly to be relatively close to or relatively far away from each other.

Further, the exhaust apparatus further includes: the buffer assembly is arranged on the first exhaust assembly and/or the second exhaust assembly, so that when the first exhaust assembly and the second exhaust assembly move relatively close to each other, the first exhaust assembly and/or the second exhaust assembly clamp the packaging bag through the buffer assembly respectively.

Further, the buffer assembly includes: the first buffer piece is arranged on one side, close to the second exhaust assembly, of the first exhaust assembly; the second buffer piece is arranged on one side, close to the first exhaust assembly, of the second exhaust assembly; wherein, first exhaust subassembly and second exhaust subassembly are close to the removal relatively to drive first bolster and second bolster and be close to each other in order to discharge the gas with wrapping bag centre gripping in centre gripping space and in making the wrapping bag.

Further, exhaust apparatus still includes the mounting panel, and first exhaust subassembly is fixed on the mounting panel, and the leak hunting subassembly includes: the detection plate is movably arranged on the mounting plate and is provided with a charging position and an empty bag position; wherein the second vent assembly moves adjacent to the first vent assembly to urge the sensing plate to move to either the loading position or the empty bag position.

Further, the leak detection assembly further comprises: and the detection sensor is arranged on the mounting plate and used for judging whether articles exist in the packaging bag or not by detecting the position information of the detection plate.

According to another aspect of the present invention, there is provided a sealing apparatus, comprising an exhaust device, a printing device and a sealing device, wherein the exhaust device is the above exhaust device.

Further, the sealing apparatus further includes: and the moving mechanism is respectively connected with the printing device and the sealing device to grab the packaging bag in the clamping space and drive the packaging bag to move into the printing device for printing, and meanwhile, the packaging bag printed in the printing device is transferred into the sealing device for sealing.

Further, the moving mechanism includes: a second drive assembly; the first grabbing assembly is used for grabbing the packaging bag in the exhaust device and driving the packaging bag to move into the printing device; the second grabbing assembly is used for grabbing the packaging bag in the printing device and driving the packaging bag to move into the sealing device; the second driving assembly is connected with the first grabbing assembly and the second grabbing assembly respectively so as to drive the first grabbing assembly and the second grabbing assembly to move simultaneously.

Further, the printing apparatus includes: the printing head is used for printing the packaging bag; a first auxiliary plate movably disposed with respect to the print head; a printing space is formed between the printing head and the first auxiliary plate; and the third driving assembly is respectively connected with the printing head and the first auxiliary plate so as to simultaneously drive the printing head and the first auxiliary plate to move close to each other to print the packaging bags in the printing space.

Further, the sealing device includes: the welding head is used for sealing the packaging bag; the second auxiliary plate is movably arranged on the butt joint; a welding space is formed between the welding head and the second auxiliary plate; and the fourth driving assembly is respectively connected with the welding head and the second auxiliary plate so as to simultaneously drive the welding head and the second auxiliary plate to move close to each other to seal the packaging bag in the welding space.

Use the technical scheme of the utility model's exhaust apparatus mainly uses in the wrapping bag field to medical supplies to with the gas escape in the wrapping bag, this exhaust apparatus includes the exhaust subassembly of two relative settings: first exhaust subassembly and second exhaust subassembly, form the centre gripping space between first exhaust subassembly and the second exhaust subassembly, in the centre gripping space was put to the wrapping bag, thereby first exhaust subassembly and second exhaust subassembly are close to each other and remove the gas outgoing in making the wrapping bag with the extrusion wrapping bag, in addition, the utility model discloses an exhaust apparatus still is equipped with leak hunting subassembly, and leak hunting subassembly sets up on first exhaust subassembly to whether medical supplies have been equipped with in the wrapping bag according to first exhaust subassembly at the pressure of extrusion wrapping bag in-process or with the distance between the second exhaust subassembly, thereby can in time judge the wrapping bag that does not feed, avoid sealing it, cause the waste.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural view of an embodiment of a sealing device according to the invention;

FIG. 2 shows a front view of FIG. 1;

fig. 3 shows a schematic structural view of an embodiment of the sealing device according to the invention;

fig. 4 shows a schematic structural view of an embodiment of the exhaust device of the present invention;

fig. 5 shows a schematic structural view of an embodiment of the printing unit of the sealing device of the present invention;

fig. 6 shows a schematic structural view of an embodiment of the sealing device of the sealing apparatus of the present invention.

Wherein the figures include the following reference numerals:

10. a first exhaust assembly; 20. a second exhaust assembly; 30. a leak detection assembly; 31. detecting a plate; 32. a detection sensor; 40. a buffer assembly; 50. an exhaust device; 60. a printing device; 61. a print head; 62. a first auxiliary plate; 70. a sealing device; 71. welding a head; 72. a second auxiliary plate; 80. a moving mechanism; 90. a feeding device.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The utility model provides an exhaust apparatus for to the wrapping bag exhaust so that seal, please refer to fig. 1 to fig. 6, exhaust apparatus includes: the exhaust gas purification device comprises a first exhaust assembly 10 and a second exhaust assembly 20, wherein the second exhaust assembly 20 and the first exhaust assembly 10 are arranged in a relatively movable mode; a clamping space is formed between the first exhaust assembly 10 and the second exhaust assembly 20, so that the packaging bag is clamped in the clamping space for exhausting when the first exhaust assembly 10 and the second exhaust assembly 20 move relatively close to each other; and a leak detection assembly 30, wherein the leak detection assembly 30 is arranged on the first exhaust assembly 10 or the second exhaust assembly 20 to detect whether the packaging bag positioned in the clamping space is filled with articles.

The utility model discloses an exhaust apparatus mainly uses in to medical supplies wrapping bag field to with the gas outgoing in the wrapping bag, this exhaust apparatus includes the exhaust subassembly of two relative settings: first exhaust subassembly 10 and second exhaust subassembly 20, form the centre gripping space between first exhaust subassembly 10 and the second exhaust subassembly 20, the centre gripping space is put to the wrapping bag, thereby first exhaust subassembly 10 and second exhaust subassembly 20 are close to each other and remove the gas outgoing in making the wrapping bag with the extrusion wrapping bag, in addition, the utility model discloses an exhaust apparatus still is equipped with leak hunting subassembly 30, and leak hunting subassembly 30 sets up on first exhaust subassembly 10 to whether medical supplies have been equipped with in judging the wrapping bag according to first exhaust subassembly 10 at the pressure of extrusion wrapping bag in-process or with the distance between second exhaust subassembly 20, thereby can in time judge the wrapping bag that does not feed into, avoid sealing it, cause the waste.

The exhaust apparatus further includes: and the first driving assembly is connected with the first exhaust assembly 10 and/or the second exhaust assembly 20 respectively so as to drive the first exhaust assembly 10 and the second exhaust assembly 20 to be relatively close to or relatively far away from each other.

The exhaust apparatus further includes: and the buffer assembly 40, wherein the buffer assembly 40 is arranged on the first exhaust assembly 10 and/or the second exhaust assembly 20, so that when the first exhaust assembly 10 and the second exhaust assembly 20 move relatively close to each other, the first exhaust assembly 10 and/or the second exhaust assembly 20 respectively clamp the packaging bag through the buffer assembly 40. The buffer assembly 40 includes: the first buffer piece is arranged on one side of the first exhaust assembly 10 close to the second exhaust assembly 20; the second buffer piece is arranged on one side, close to the first exhaust assembly 10, of the second exhaust assembly 20; the first exhaust assembly 10 and the second exhaust assembly 20 move relatively close to each other to drive the first buffer member and the second buffer member to approach each other to clamp the packaging bag in the clamping space and exhaust the gas in the packaging bag.

As shown in fig. 3 and 4, the air exhausting device in this embodiment is further provided with a buffering assembly 40, the buffering assembly 40 includes a first buffering member and a second buffering member, the first buffering member is disposed on the first air exhausting assembly 10, the second buffering member is disposed on the second air exhausting assembly 20, the first driving assembly drives the first air exhausting assembly 10 and the second air exhausting assembly 20 to approach each other, so as to drive the first buffering member and the second buffering member to squeeze the packaging bag, thereby exhausting air in the packaging bag, and simultaneously protecting the medical supplies in the packaging bag from being damaged by squeezing, and preferably, the first buffering member and the second buffering member both adopt sponge blocks.

Exhaust apparatus further includes a mounting plate on which first exhaust assembly 10 is fixed, and leak detection assembly 30 includes: a detection plate 31, the detection plate 31 being movably disposed on the mounting plate, the detection plate 31 having a charging position and an empty bag position; wherein the second exhaust assembly 20 moves adjacent to the first exhaust assembly 10 to push the detection plate 31 to move to the charging position or the empty bag position. Leak detection assembly 30 further includes: and a detection sensor 32, wherein the detection sensor 32 is arranged on the mounting plate so as to judge whether the article is in the packaging bag or not by detecting the position information of the detection plate.

As shown in fig. 3 and 4, the exhaust apparatus in this embodiment includes a mounting plate, the first exhaust assembly 10 is a clamping plate, the clamping plate is fixed on the mounting plate, the leakage detection assembly 30 includes a detection plate 31, the detection plate 31 penetrates the clamping plate, one end of the detection plate 31 is flush with the surface of the first buffer member, when the first buffer member squeezes the packaging bag, if there is medical supplies in the packaging bag, the detection plate moves backward, so as to move from an empty bag position to a charging position, the detection plate moves to drive a detection rod connected with the detection plate to move, the detection sensor 32 detects the position movement of the detection rod to determine that medical supplies are contained in the packaging bag, and if the detection sensor 32 does not detect the movement of the detection rod, it is determined that there is no medical supplies in the packaging bag, and it.

The utility model also provides a sealing equipment, including exhaust apparatus 50, printing device 60 and sealing device 70, exhaust apparatus 50 is foretell exhaust apparatus 50. The sealing apparatus further includes: and the moving mechanism 80, the moving mechanism 80 is respectively connected with the printing device 60 and the sealing device 70 so as to grab the packaging bag in the clamping space and drive the packaging bag to move into the printing device 60 for printing, and meanwhile, the packaging bag printed in the printing device 60 is transferred into the sealing device 70 for sealing.

As shown in fig. 1 to 3, the utility model provides a sealing equipment mainly is applied to and seals medical packaging bag, and this equipment includes exhaust apparatus 50, printing device 60 and sealing device 70, and exhaust apparatus 50 is used for gas outgoing in the packaging bag, and printing device 60 is used for printing the packaging bag, the utility model discloses a sealing equipment is with medical supplies after the packaging bag printing, goes into medical catheter and packs into in the packaging bag, seals the processing to the packaging bag, has guaranteed like this that packaging bag printing effect is better, and this sealing equipment still includes moving mechanism 80, and moving mechanism 80 moves the packaging bag after exhaust apparatus 50 exhausts and prints to printing device 60 on to move the packaging bag to seal on sealing device 70 after the packaging bag printing.

The moving mechanism 80 includes: a second drive assembly; the first grabbing assembly is used for grabbing the packaging bag in the exhaust device 50 and driving the packaging bag to move into the printing device 60; the second grabbing component is used for grabbing the packaging bag in the printing device 60 and driving the packaging bag to move into the sealing device 70; the second driving assembly is connected with the first grabbing assembly and the second grabbing assembly respectively so as to drive the first grabbing assembly and the second grabbing assembly to move simultaneously.

The moving mechanism 80 in this embodiment includes a second driving assembly, and the second driving assembly is connected to both the first grasping assembly and the second grasping assembly to move the packaging bag in the exhaust device 50 into the printing device 60, and move the packaging bag in the printing device 60 to the sealing device 70, and two actions are simultaneously completed by one driving assembly, so that only one packaging bag is ensured in each process, and the overlapping problem does not occur.

The printing device 60 includes: a printing head 61, the printing head 61 being used for performing a printing operation on the packaging bag; a first auxiliary plate 62, the first auxiliary plate 62 being movably disposed with respect to the print head 61; a printing space is formed between the print head 61 and the first auxiliary plate 62; and a third driving assembly respectively connected to the printing head 61 and the first auxiliary plate 62 to simultaneously drive the printing head 61 and the first auxiliary plate 62 to move close to each other to print the packing bags in the printing space.

As shown in fig. 5, the printing device 60 in this embodiment includes a printing head and a first auxiliary plate 62, and the printing head 61 and the first auxiliary plate 62 are oppositely disposed so that the printing head 61 is close to the first auxiliary plate 62 to print the envelope after the envelope is placed in the printing space.

The sealing device 70 includes: a welding head 71, wherein the welding head 71 is used for sealing the packaging bag; a second auxiliary plate 72, the second auxiliary plate 72 being movably provided with respect to the bonding head 71; a welding space is formed between the welding head 71 and the second auxiliary plate 72; and a fourth driving assembly respectively connected to the welding head 71 and the second auxiliary plate 72 to simultaneously drive the welding head 71 and the second auxiliary plate 72 to move close to each other to seal the packing bag in the welding space.

As shown in fig. 6, the sealing device 70 in this embodiment includes a welding head 71 and a second auxiliary plate 72, and the fourth driving unit drives the welding head 71 and the second auxiliary plate 72 to approach each other so that the welding head performs a welding and sealing process on the packaging bag in the welding space.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

bag taking, air exhausting and neglected loading detection:

the supply device 90 moves the packaging bag in the bag-taking waiting position to the waiting position of the air-discharging device. Exhaust apparatus's first drive assembly drives second exhaust assembly and removes to first exhaust assembly, forms the extrusion to the wrapping bag, reaches exhaust effect. The first exhaust assembly and the second exhaust assembly are respectively provided with a sponge, so that the packaging bag is protected, the medical catheter in the packaging bag is prevented from deforming, and the exhaust effect can be enhanced. The detection plate is arranged on the same plane of the lower side of the first exhaust component and the sponge, and when the detection plate touches a packaging bag provided with a guide pipe, the detection plate retreats to drive the detection rod connected with the detection plate to retreat at the same time to be detected by the detection sensor. So as to detect whether the materials are in the packaging bag.

The moving mechanism is connected with the first grabbing component and the second grabbing component, the moving mechanism can drive the first grabbing component and the second grabbing component to move simultaneously, so that the first grabbing component grabs the packaging bag in the exhaust device and moves into the printing device, and meanwhile, the second grabbing component is driven to move so that the second grabbing component grabs the packaging bag in the printing device and moves into the sealing device.

The packaging bag is conveyed to a determined position between the printing head and the first auxiliary plate by the moving mechanism. The third driving assembly pushes the first auxiliary plate to move towards the printing head direction. The first auxiliary plate and the printing head clamp the packaging bag, so that one surface of the packaging bag is tightly attached to the printing head character module. The print head is energized and heated to complete printing.

The packaging bag is conveyed to a determined position between the welding head and the second auxiliary plate by the moving mechanism. The fourth driving component pushes the welding head to move towards the direction of the second auxiliary plate. The second auxiliary plate and the welding head clamp the packaging bag tightly, so that two sides of the packaging bag are tightly attached. And electrifying the welding head and heating to complete the bag sealing.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

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

Claims

1. A vent apparatus for venting a package for sealing, the vent apparatus comprising:

a first exhaust assembly (10) and a second exhaust assembly (20), the second exhaust assembly (20) and the first exhaust assembly (10) being relatively movably disposed; a clamping space is formed between the first exhaust assembly (10) and the second exhaust assembly (20) so as to clamp the packaging bag in the clamping space for exhausting when the first exhaust assembly (10) and the second exhaust assembly (20) move relatively close to each other;

a leak detection assembly (30), the leak detection assembly (30) being disposed on the first vent assembly (10) or the second vent assembly (20) to detect whether an article is contained in the packaging bag located in the holding space.

2. The exhaust apparatus of claim 1, further comprising:

a first driving assembly connected with the first exhaust assembly (10) and/or the second exhaust assembly (20) respectively to drive the first exhaust assembly (10) and the second exhaust assembly (20) relatively close to or relatively far away from each other.

3. The exhaust apparatus of claim 1, further comprising:

buffer unit (40), buffer unit (40) set up first exhaust subassembly (10) and/or on second exhaust subassembly (20), with when first exhaust subassembly (10) with second exhaust subassembly (20) are close to relatively and move, first exhaust subassembly (10) and/or second exhaust subassembly (20) pass through respectively buffer unit (40) centre gripping the wrapping bag.

4. The exhaust apparatus of claim 3, wherein the buffer assembly (40) comprises:

the first buffer piece is arranged on one side, close to the second exhaust assembly (20), of the first exhaust assembly (10);

the second buffer piece is arranged on one side, close to the first exhaust assembly (10), of the second exhaust assembly (20);

the first exhaust assembly (10) and the second exhaust assembly (20) move close to each other relatively to drive the first buffer piece and the second buffer piece to be close to each other to clamp the packaging bag in the clamping space and enable the gas in the packaging bag to be exhausted.

5. The vent apparatus of claim 4, further comprising a mounting plate to which the first vent assembly (10) is secured, the leak-detection assembly (30) comprising:

a detection plate (31), said detection plate (31) being movably disposed on said mounting plate, said detection plate (31) having a loading position and an empty bag position;

wherein the second vent assembly (20) moves adjacent to the first vent assembly (10) to urge the detection plate (31) to move to the loading position or the empty bag position.

6. The vent apparatus of claim 5, wherein the leak detection assembly (30) further comprises:

and the detection sensor (32) is arranged on the mounting plate so as to judge whether articles exist in the packaging bag by detecting the position information of the detection plate.

7. A sealing apparatus comprising a venting device (50), a printing device (60) and a sealing device (70), characterized in that the venting device (50) is a venting device (50) according to any one of claims 1 to 6.

8. The sealing apparatus of claim 7, further comprising:

moving mechanism (80), moving mechanism (80) respectively with printing device (60) with sealing device (70) link to each other to snatch in the centre gripping space the wrapping bag and drive the wrapping bag removes to print in printing device (60), simultaneously with wrapping bag after the printing in printing device (60) is transferred to seal in sealing device (70).

9. The sealing apparatus according to claim 8, wherein the moving mechanism (80) comprises:

a second drive assembly;

the first grabbing assembly is used for grabbing the packaging bag in the exhaust device (50) and driving the packaging bag to move into the printing device (60);

the second grabbing assembly is used for grabbing the packaging bag in the printing device (60) and driving the packaging bag to move into the sealing device (70);

the second driving assembly is respectively connected with the first grabbing assembly and the second grabbing assembly so as to drive the first grabbing assembly and the second grabbing assembly to move simultaneously.

10. The sealing apparatus according to claim 7, characterized in that said printing device (60) comprises:

a printing head (61), the printing head (61) being used for performing a printing operation on the packaging bag;

a first auxiliary plate (62), the first auxiliary plate (62) being movably arranged with respect to the print head (61); a printing space is formed between the printing head (61) and the first auxiliary plate (62);

a third driving assembly respectively connected with the printing head (61) and the first auxiliary plate (62) to simultaneously drive the printing head (61) and the first auxiliary plate (62) to move close to each other to print the packaging bags in the printing space.

11. The sealing apparatus according to claim 7, characterized in that the sealing means (70) comprise:

a welding head (71), wherein the welding head (71) is used for sealing the packaging bag;

a second auxiliary plate (72), the second auxiliary plate (72) being movably provided with respect to the welding head (71); a welding space is formed between the welding head (71) and the second auxiliary plate (72);

and the fourth driving assembly is respectively connected with the welding head (71) and the second auxiliary plate (72) so as to simultaneously drive the welding head (71) and the second auxiliary plate (72) to move close to each other to seal the packaging bag in the welding space.