Six-side ironing, conveying, box pushing, heating and shaping mechanism and transparent film packaging machine

Abstract

The utility model belongs to the field of packaging machines, and relates to a six-face ironing conveying box pushing heating shaping mechanism and a transparent film packaging machine, and the six-face ironing conveying box pushing heating shaping mechanism comprises a conveying unit used for conveying a packaging box wrapped with a transparent film; the heating and shaping unit is located on the side edge of the conveying unit; the box pushing unit is arranged on the heating and shaping unit; the box pushing unit pushes the packaging box which is located at the discharging end of the conveying unit and wrapped with the transparent film to a preset area of the heating and shaping unit, and the heating and shaping unit heats and seals the transparent film wrapping the packaging box. After the structure is adopted, the sealing and ironing device has the beneficial effects that the whole structure is simple and compact, the size is small, the sealing and ironing device can be connected with various types of transparent film packaging machines, a packaging box of which the front long side seal is not in place is sealed and ironed again, and the defect of poor packaging and forming effects caused by insufficient sealing and ironing time of the front long side seal is effectively overcome; and the defective product rate of products in actual production is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of packaging machines, in particular to a six-sided hot conveying box pushing heating and shaping mechanism and a transparent film packaging machine. Background Art

[0002] Transparent film packaging machine is also called three-dimensional packaging machine or three-dimensional transparent film packaging machine. It uses BOPP film or PVC film as packaging material and forms the packaged box into a three-dimensional hexahedron folded package. It is widely used in cosmetics, medicines, food, health care products, audio-visual products, stationery, daily necessities and other transparent film three-dimensional skin packaging outside the box, which plays the role of anti-counterfeiting, moisture-proof, dust-proof and scratch-proof.

[0003] However, in actual production, due to reasons such as packaging materials and products, the packaging effect may be poor, such as wrinkles and scratches on the surface. Among these packaging problems, the product defects on the long side seal of the packaging box are the most obvious, so it is necessary to make improvements. Utility Model Content

[0004] In order to solve the above problems in the prior art, the utility model provides a six-sided ironing conveying box pushing heating and shaping mechanism and a transparent film packaging machine, which have simple structure and strong practicality.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] As one aspect of the utility model, a six-sided ironing conveying and pushing box heating and shaping mechanism is proposed, which comprises:

[0007] A conveying unit, used for conveying packaging boxes wrapped with transparent films;

[0008] The heating and shaping unit is located on the side of the conveying unit; the heating workbench surface of the heating and shaping unit is flush with the conveying surface of the conveying unit;

[0009] The box pushing unit is arranged on the heating and shaping unit; the box pushing unit pushes the packaging box wrapped with a transparent film at the discharge end of the conveying unit to a preset area of ​​the heating and shaping unit, and the heating and shaping unit heats and seals the transparent film wrapped around the packaging box.

[0010] Optionally, it further comprises a material blocking assembly, wherein the material blocking assembly is connected to the conveying unit; a conveying channel for conveying the packaging box is formed between the material blocking assembly and the conveying surface of the conveying unit;

[0011] The material baffle assembly includes a side baffle bracket detachably connected to the conveying unit, and the side baffle bracket is detachably connected to a side baffle movable shaft; the side baffle movable shaft is slidably connected to two side baffle hangers arranged at intervals, and the distance between the two side baffle hangers is adapted to the long side of the packaging box; each side baffle hanger is connected to a side baffle piece close to the conveying unit; the side baffle piece is detachably connected to a feed extension baffle plate on the feed end close to the conveying unit; the other end of the side baffle piece close to the heating and shaping unit is detachably connected to a front plate fixed side baffle piece, and the other end of the side baffle piece away from the heating and shaping unit is slidably connected to a front plate movable side baffle piece; a front plate connecting piece is provided on the front plate movable side baffle piece, and the front plate connecting piece is slidably connected to the side baffle limiting groove on the corresponding side baffle piece, and the front plate connecting piece and the side baffle limiting groove cooperate with each other.

[0012] Optionally, the heating and shaping unit includes a table, the surface of which is flush with the conveying surface of the conveying unit; a first base and a second base are provided on the table at intervals, at least two first guide shafts provided at intervals are connected between the first base and the second base, a first linear bearing is slidably connected to the first guide shaft; a cylinder base is connected to the first linear bearing; a driving member is provided on the cylinder base; one end of the cylinder base extends to the top of the conveying surface of the conveying unit to form an extension section, a linear guide rail is connected to the extension section, the box pushing unit is slidably connected to the linear guide rail, and the box pushing unit is connected to the movable end of the driving member;

[0013] The cylinder base is connected to a first ironing plate via an ironing plate bracket, and the second base is connected to a power piece; the movable end of the power piece is connected to a second ironing plate, and the second ironing plate is located on the inner side of the second base; a sealing area is formed between the second ironing plate and the first ironing plate.

[0014] Optionally, the second ironing plate is connected to the second base via a guide assembly, which includes at least two second linear bearings arranged at intervals on the second base, a second guide shaft being slidably connected to the second linear bearing, a bridge plate being connected between at least two of the second guide shafts, and the movable end of the power member being connected to the bridge plate; the second ironing plate is connected to the bridge plate.

[0015] Optionally, a blocking plate is connected to the extension section; the blocking plate is located above the discharge end of the conveying unit, and there is a gap between the bottom surface of the blocking plate and the conveying surface of the conveying unit that is less than the height of the packaging box.

[0016] Optionally, an adjusting unit is also included, which includes a screw rod, both ends of which are rotatably connected to the first base and the second base through bearings respectively; one end of the screw rod close to the first base extends to the outside of the first base and is connected to a handwheel; a screw rod flange nut is threadedly connected to the screw rod, and the screw rod flange nut is detachably connected to the cylinder base.

[0017] Optionally, a discharge baffle is provided on the table.

[0018] Optionally, a first ironing board heat-insulating column is provided on the first ironing board, and the first ironing board heat-insulating column is connected to the ironing board bracket via a first fastener; a second ironing board heat-insulating column is provided on the second ironing board, and the second ironing board heat-insulating column is connected to the bridging plate via a second fastener.

[0019] Optionally, the box pusher unit includes a box pusher bracket slidably connected to the linear guide rail through a linear guide slider, and the box pusher bracket is rotatably connected to the movable end of the driving member; a box pusher baffle is connected to the lower part of the box pusher bracket; the box pusher baffle is connected to the box pusher bracket through a connecting component;

[0020] The connecting assembly includes a push box connecting block, a push box connecting piece is connected to the push box connecting block, and the push box baffle is connected to the lower end of the push box connecting piece; the upper end of the push box connecting piece is connected to the push box connecting block; the push box connecting block and the push box bracket are detachably connected via a third adjustable tightening handle; the push box bracket is provided with a travel hole for the connecting part of the third adjustable tightening handle to pass through; the connecting part of the third adjustable tightening handle is connected to the push box connecting block after passing through the long travel hole.

[0021] As another aspect of the present invention, a transparent film packaging machine is provided, which comprises a frame, to which the above-mentioned six-sided ironing conveying box pushing heating and shaping mechanism is connected.

[0022] The beneficial effects of the six-sided ironing conveying, pushing and heating shaping mechanism and transparent film packaging machine of the utility model are specifically reflected in: 1. The overall structure is simple and compact, and the volume is small. It can be connected with various types of transparent film packaging machines to re-seal and iron the packaging boxes whose long sides are not sealed and ironed in the previous process, effectively solving the defect of poor packaging forming effect caused by insufficient sealing and ironing time on the long sides in the previous process, and reducing the defective rate of products in actual production; 2. The design of the adjustment unit is adopted to adjust the corresponding transmission channel according to the specifications of the packaging boxes, which can meet the long side sealing and ironing requirements of packaging boxes of different specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The drawings in the specification, which constitute a part of the present application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0024] Figure 1 It is a structural three-dimensional front view of the heating and shaping mechanism of the six-sided ironing conveying and pushing box of the utility model;

[0025] Figure 2 It is a three-dimensional rear view of the structure of the six-sided ironing conveying and pushing box heating and shaping mechanism of the utility model;

[0026] Figure 3 The utility model is a three-dimensional top view of the structure of the six-sided ironing conveying and pushing box heating and shaping mechanism Figure 1 ;

[0027] Figure 4 The utility model is a three-dimensional top view of the structure of the six-sided ironing conveying and pushing box heating and shaping mechanism Figure 2 ;

[0028] Figure 5 It is a structural stereogram of the transparent film packaging machine of the utility model. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in combination with the specific embodiments of the utility model and the corresponding drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0030] A six-sided ironing conveying and pushing box heating and shaping mechanism according to an embodiment of the present application is as follows: Figure 1-Figure 4 As shown, it comprises: a conveying unit 1, used for conveying a packaging box wrapped with a transparent film, the conveying unit 1 is a belt conveyor, and its structure is the prior art, which will not be described in detail;

[0031] The heating and shaping unit 2 is located at the side of the conveying unit 1; the heating workbench surface of the heating and shaping unit 2 is flush with the conveying surface of the conveying unit 1;

[0032] The box pushing unit 3 is arranged on the heating and shaping unit 2; the box pushing unit 3 pushes the packaging box wrapped with a transparent film at the discharge end of the conveying unit 1 to the preset area of ​​the heating and shaping unit 2, and the heating and shaping unit 2 heats and seals the transparent film wrapped around the packaging box, so that the transparent film shrinks and fits the packaging box completely, and there are no wrinkles or scratches on the surface of the packaging box after sealing.

[0033] In one embodiment, if Figure 1 As shown, it also includes a material blocking component 4, which is connected to the conveying unit 1; a conveying channel for conveying the packaging box is formed between the material blocking component 4 and the conveying surface of the conveying unit 1; the material blocking component 4 can be adjusted according to the size of the packaging box.

[0034] In one embodiment, if Figure 1 As shown, the material baffle assembly 4 includes a side baffle bracket 41 detachably connected to the conveying unit 1, and the side baffle bracket 41 is detachably connected to a side baffle movable shaft 42, and the number of the side baffle movable shaft 42 increases according to the length of the conveying unit 1; the side baffle movable shaft 42 is slidably connected to two side baffle hangers 43 arranged at intervals, and the distance between the two side baffle hangers 43 is adapted to the long side of the packaging box; each side baffle hanger 43 is connected to a side baffle piece 44 near the conveying unit 1; the side baffle piece 44 is detachably connected to a feed extension baffle plate 45 on the feed end near the conveying unit 1; wherein, the other end of the side baffle piece 44 near the heating and shaping unit 2 is detachably connected to a front The front plate fixed side guard member 46 is arc-shaped, which is convenient for the packaging box to enter the heating and shaping unit 2; the other end of the side guard member 44 away from the heating and shaping unit 2 is slidably connected with the front plate movable side guard member 47; the front plate movable side guard member 47 is provided with a front plate connecting member 48, and the front plate connecting member 48 is slidably connected to the side guard limiting groove 49 on the corresponding side guard member 44, and the front plate connecting member 48 and the side guard limiting groove 49 cooperate with each other to limit the sliding stroke of the front plate movable side guard member 47; the side guard member 44 is provided with a side guard slide groove that slidably cooperates with the front plate movable side guard member 47, so that the front plate movable side guard member 47 slides on the corresponding side guard member 44.

[0035] In one embodiment, if Figure 1 As shown, the side guard hanger 43 is provided with a first adjustable tightening handle 410 that is movably connected. The structure of the first adjustable tightening handle 410 is prior art and is not described in detail. When the side guard hanger 43 slides to a preset position, the first adjustable tightening handle 410 tightens the side guard hanger 43 to prevent the side guard hanger 43 from sliding during work and affecting normal operation.

[0036] In one embodiment, if Figure 1-Figure 4As shown, the heating and shaping unit 2 includes a table 21, the surface of the table 21 is flush with the conveying surface of the conveying unit 1, which is convenient for pushing the packaging box; a first base 22 and a second base 23 are arranged at intervals on the table 21, at least two first guide shafts 24 arranged at intervals are connected between the first base 22 and the second base 23, and a first linear bearing 25 is slidably connected to the first guide shaft 24; a cylinder base 26 is connected to the first linear bearing 25, and the cylinder base 26 is close to the first base 22; the cylinder base 26 is provided with The driving member is a cylinder, but is not limited to a cylinder, and can realize the extension and retraction functions, for example: a telescopic motor; one end of the cylinder base 26 extends to the top of the conveying surface of the conveying unit 1 to form an extension section, and a linear guide rail 27 is connected to the extension section. The box pushing unit 3 is slidably connected to the linear guide rail 27, and the box pushing unit 3 is connected to the movable end of the driving member. When the driving member works, it drives the box pushing unit 3 to move on the linear guide rail 27, thereby pushing the packaging box on the conveying unit 1 to the preset area of ​​the heating and shaping unit 2 for sealing.

[0037] Furthermore, the extension section is connected with a blocking plate 28 for blocking the packaging box to facilitate the pushing of the box pushing unit 3; the blocking plate 28 is located above the discharge end of the conveying unit 1, and there is a gap between the bottom surface of the blocking plate 28 and the conveying surface of the conveying unit 1 that is less than the height of the packaging box, so as to block the packaging box; the blocking plate 28 is connected with a sensor 29 on the conveying surface close to the conveying unit 1, which is used to sense whether the packaging box has arrived; it should be noted that the sensor 29 is a capacitive cylindrical proximity switch, and its structure and working principle are prior art and will not be repeated here; when the sensor 29 senses that the packaging box has arrived at the preset position, the driving member works to drive the box pushing unit 3 to move on the linear guide rail 27, thereby pushing the packaging box on the conveying unit 1 to the preset area of ​​the heating and shaping unit 2 for sealing.

[0038] Specifically, the cylinder base 26 is connected to a first ironing plate 211 through an ironing plate bracket 210, and the first ironing plate 211 is provided with a first ironing plate heat-insulating column 212, and the first ironing plate heat-insulating column 212 is connected to the ironing plate bracket 210 through a first fastener 213, so that the heat of the first ironing plate 211 will not be directly conducted to the ironing plate bracket 210; the second base 23 is connected to a power member 214, and the power member 214 is a cylinder or a motor, but is not limited to a cylinder or a motor, as long as it can achieve the telescopic function; the movable end of the power member 214 is connected to a second ironing plate 215, and the second ironing plate 215 is located on the inner side of the second base 23; a sealing area is formed between the second ironing plate 215 and the first ironing plate 211; it should be noted that the second ironing plate 215 and the first ironing plate 211 are respectively connected to a power source, which is used for heating the second ironing plate 215 and the first ironing plate 211 to achieve sealing work. This working process and principle are existing technologies and will not be repeated here;

[0039] The second ironing plate 215 is connected to the second base 23 via a guide assembly, and the guide assembly includes at least two second linear bearings 216 arranged at intervals on the second base 23, and a second guide shaft 217 is slidably connected to the second linear bearing 216, and a bridge plate 218 is connected between at least two of the second guide shafts 217. For the convenience of installation, the movable end of the power member 214 is connected to the bridge plate 218; the second ironing plate 215 is connected to the bridge plate 218; a second ironing plate heat insulation column 222 is provided on the second ironing plate 215, and the second ironing plate heat insulation column 222 is connected to the bridge plate 218 through a second fastener to reduce the heat conduction of the second ironing plate 215; the power member 214 works to drive the second ironing plate 215 to approach the first ironing plate 211, and perform a sealing operation on the transparent film on the packaging box between the second ironing plate 215 and the first ironing plate 211.

[0040] In one embodiment, if Figure 2-Figure 4 As shown, it also includes an adjusting unit 5, and the cylinder base 26 is moved closer to or farther away from the second base 23 through the adjusting unit 5, so that the first ironing plate 211 is moved closer to or farther away from the second ironing plate 215; the adjusting unit 5 includes a screw rod 51, and the two ends of the screw rod 51 are rotatably connected to the first base 22 and the second base 23 through bearings respectively; the end of the screw rod 51 close to the first base 22 extends to the outside of the first base 22 and is connected to a handwheel 52, and the handwheel 52 is used for manual operation of the screw rod 51; a screw rod flange nut 53 is threadedly connected to the screw rod 51, and the screw rod flange nut 53 is detachably connected to the cylinder base 26; when the handwheel 52 works, the screw rod 51 rotates to drive the screw rod flange nut 53 to move closer to or farther away from the second ironing plate 215.

[0041] In one embodiment, if Figure 3As shown, a second adjustable tightening handle 219 is movably connected to the first base 22 . The structure of the second adjustable tightening handle 219 is prior art and will not be described in detail. When the screw rod 51 rotates to a preset position, the second adjustable tightening handle 219 tightens the screw rod 51 .

[0042] In one embodiment, if Figure 4 As shown, a discharging baffle 220 is provided on the platform 21 to facilitate the discharging of the packaging boxes.

[0043] In one embodiment, if Figure 2 As shown, the box pushing unit 3 includes a box pushing bracket 32 ​​slidably connected to the linear guide 27 through a linear guide slider 31, and the box pushing bracket 32 ​​is rotatably connected to the movable end of the driving member; the lower part of the box pushing bracket 32 ​​is connected to a box pushing baffle 33 for pushing the packaging box; the box pushing baffle 33 is connected to the box pushing bracket 32 ​​through a connecting component; the connecting component includes a box pushing connecting block 34, and the box pushing connecting member 35 is connected to the box pushing connecting block 34, and the box pushing baffle 33 is connected to the lower end of the box pushing connecting member 35; the upper end of the box pushing connecting member 35 is connected to the box pushing connecting block 34; the box pushing connecting block 34 is connected to The push box brackets 32 are detachably connected via a third adjustable tightening handle 36; the structure of the third adjustable tightening handle 36 is prior art and will not be described in detail; the push box bracket 32 ​​is provided with a travel hole 37 for the connecting portion of the third adjustable tightening handle 36 to pass through; the connecting portion of the third adjustable tightening handle 36 passes through the travel strip hole 37 and is connected to the push box connecting block 34, so that the push box connecting block 34 is fixed on the push box bracket 32; according to the requirements of the push box, the position of the push box connecting block 34 in the travel strip hole 37 on the push box bracket 32 ​​is adjusted by the third adjustable tightening handle 36, thereby realizing the adjustment of different positions of the push box baffle 33.

[0044] A transparent film packaging machine according to an embodiment of the present application, such as Figure 5 As shown, it includes a frame 6, to which the six-sided hot conveying, pushing and heating shaping mechanism as described above is connected, and a discharge hole 61 for discharging materials is provided on the frame 6, and the discharge hole 61 cooperates with the discharge end of the table 21; universal casters 7 are provided at the bottom of the frame 6 to facilitate the movement of the packaging machine; foot cups 8 are provided at the bottom of the frame 6, and when the packaging machine moves to a preset position, the foot cups 8 are adjusted to make the packaging machine relatively fixed; at least one of the foot cups 8 is connected to a foot cup fixing seat 9 to further strengthen the relative fixation of the packaging machine; it should be noted that when the packaging machine is to be moved, the foot cup fixing seat 9 and the foot cup 8 must be separated from the ground before moving.

[0045] To sum up, the overall structure of the present application is simple and compact, with a small size. It can be connected to various types of transparent film packaging machines to re-seal and heat the packaging boxes whose long sides are not sealed or hot enough in the previous process, effectively solving the defect of poor packaging forming effect caused by insufficient sealing and heating time on the long sides in the previous process, and reducing the defective rate of products in actual production. The present application adopts the design of an adjustment unit to adjust the corresponding transmission channel according to the specifications and dimensions of the packaging boxes, which can adapt to the long side sealing and heating requirements of packaging boxes of different specifications.

[0046] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0047] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the present application. Meanwhile, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be considered as a part of the specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0048] In the description of the present application, it should be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present application; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0049] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" may include both "above" and "below". The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0050] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application.

[0051] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0052] The above description is only a preferred embodiment of the present invention. All equivalent changes and modifications made according to the scope of the patent application of the present invention should fall within the scope of the present invention.

Claims

1. A six-sided ironing conveying and pushing box heating and shaping mechanism, characterized in that: It includes: A conveying unit, used for conveying packaging boxes wrapped with transparent films; A heating and shaping unit is located on the side of the conveying unit; The box pushing unit is arranged on the heating and shaping unit; the box pushing unit pushes the packaging box wrapped with a transparent film at the discharge end of the conveying unit to a preset area of ​​the heating and shaping unit, and the heating and shaping unit heats and seals the transparent film wrapped around the packaging box.

2. The six-sided ironing conveying and pushing box heating and shaping mechanism according to claim 1 is characterized in that: It also includes a material blocking assembly, which is connected to the conveying unit; a conveying channel for conveying the packaging box is formed between the material blocking assembly and the conveying surface of the conveying unit; The material baffle assembly includes a side baffle bracket detachably connected to the conveying unit, and the side baffle bracket is detachably connected to a side baffle movable shaft; the side baffle movable shaft is slidably connected to two side baffle hangers arranged at intervals, and the distance between the two side baffle hangers is adapted to the long side of the packaging box; each side baffle hanger is connected to a side baffle piece close to the conveying unit; the side baffle piece is detachably connected to a feed extension baffle plate on the feed end close to the conveying unit; the other end of the side baffle piece close to the heating and shaping unit is detachably connected to a front plate fixed side baffle piece, and the other end of the side baffle piece away from the heating and shaping unit is slidably connected to a front plate movable side baffle piece; a front plate connecting piece is provided on the front plate movable side baffle piece, and the front plate connecting piece is slidably connected to the side baffle limiting groove on the corresponding side baffle piece, and the front plate connecting piece and the side baffle limiting groove cooperate with each other.

3. The six-sided ironing conveying and pushing box heating and shaping mechanism according to claim 1 is characterized in that: The heating and shaping unit comprises a table, the surface of which is flush with the conveying surface of the conveying unit; a first base and a second base are arranged at intervals on the table, at least two first guide shafts arranged at intervals are connected between the first base and the second base, a first linear bearing is slidably connected to the first guide shaft; a cylinder base is connected to the first linear bearing; a driving member is arranged on the cylinder base; one end of the cylinder base extends to the upper part of the conveying surface of the conveying unit to form an extension section, a linear guide rail is connected to the extension section, the box pushing unit is slidably connected to the linear guide rail, and the box pushing unit is connected to the movable end of the driving member; The cylinder base is connected to a first ironing plate via an ironing plate bracket, and the second base is connected to a power piece; the movable end of the power piece is connected to a second ironing plate, and the second ironing plate is located on the inner side of the second base; a sealing area is formed between the second ironing plate and the first ironing plate.

4. The six-sided ironing conveying and pushing box heating and shaping mechanism as claimed in claim 3 is characterized in that: The second ironing plate is connected to the second base via a guide assembly, which includes at least two second linear bearings arranged at intervals on the second base, a second guide shaft being slidably connected to the second linear bearing, a bridge plate being connected between at least two of the second guide shafts, and the movable end of the power member being connected to the bridge plate; the second ironing plate is connected to the bridge plate.

5. The six-sided ironing conveying and pushing box heating and shaping mechanism as claimed in claim 3, characterized in that: The extending section is connected with a blocking plate; the blocking plate is located above the discharge end of the conveying unit, and there is a gap between the bottom surface of the blocking plate and the conveying surface of the conveying unit that is less than the height of the packaging box.

6. The six-sided ironing conveying and pushing box heating and shaping mechanism as claimed in claim 3, characterized in that: It also includes an adjusting unit, which includes a screw rod, both ends of which are rotatably connected to the first base and the second base through bearings respectively; one end of the screw rod close to the first base extends to the outside of the first base and is connected to a handwheel; a screw rod flange nut is threadedly connected to the screw rod, and the screw rod flange nut is detachably connected to the cylinder base.

7. The six-sided ironing conveying and pushing box heating and shaping mechanism as claimed in claim 3, characterized in that: A discharging baffle is arranged on the table.

8. The six-sided ironing conveying and pushing box heating and shaping mechanism as claimed in claim 4, characterized in that: The first ironing board is provided with a first ironing board insulation column, which is connected to the ironing board bracket via a first fastener; the second ironing board is provided with a second ironing board insulation column, which is connected to the bridging board via a second fastener.

9. The six-sided ironing conveying and pushing box heating and shaping mechanism according to claim 1, characterized in that: The box pushing unit comprises a box pushing bracket slidably connected to the linear guide rail, and the box pushing bracket is rotatably connected to the movable end of the driving member; the lower part of the box pushing bracket is connected to a box pushing baffle; The push box baffle is connected to the push box bracket through a connecting component; The connecting assembly includes a push box connecting block, a push box connecting piece is connected to the push box connecting block, and the push box baffle is connected to the lower end of the push box connecting piece; the upper end of the push box connecting piece is connected to the push box connecting block; the push box connecting block and the push box bracket are detachably connected via a third adjustable tightening handle; the push box bracket is provided with a travel hole for the connecting part of the third adjustable tightening handle to pass through; the connecting part of the third adjustable tightening handle is connected to the push box connecting block after passing through the long travel hole.

10. A transparent film packaging machine, characterized in that: It comprises a frame, to which is connected the six-sided ironing conveying and pushing box heating and shaping mechanism as described in any one of claims 1 to 9.

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