CN113697199B

CN113697199B - Packaging film-covering packer

Info

Publication number: CN113697199B
Application number: CN202111246926.5A
Authority: CN
Inventors: 张国茵
Original assignee: Haimen Qilong Machinery Manufacturing Co ltd
Current assignee: Haimen Qilong Machinery Manufacturing Co ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-07-29
Anticipated expiration: 2041-10-26
Also published as: CN113697199A

Abstract

The invention discloses a packaging film covering and packaging machine, and relates to the field of packaging. This packing tectorial membrane baling press includes baling press frame and heating cabinet, the heating cabinet is installed in the top side of baling press frame, installs the temperature control case on the heating cabinet, installs the conveyer belt in the baling press frame, and the conveyer belt is located the heating cabinet, the equal fixed mounting in both sides of heating cabinet has the slip strip, and equal slidable mounting has down the pressure frame on two slip strips, and one side fixed mounting that two lower pressure frames are close to each other has same barrier plate. According to the plastic packaging machine, due to the arrangement of the blocking plate, when a previous product enters the heating box to be heated, the blocking plate can drive the cutting strip to move downwards, so that a plastic film on the product can be cut off, and meanwhile, a next product can be blocked, so that enough space is reserved between two adjacent products, the plastic film can completely cover the product when the product is subjected to plastic packaging, and the packaging quality of the product can be effectively guaranteed.

Description

Packaging film-covering packer

Technical Field

The invention relates to the technical field of film covering packaging machines, in particular to a packaging film covering packaging machine.

Background

In the packaging process of the product, the film is coated, so that the transparent plastic film can be attached to the surface of a printed matter through hot pressing to play a role in protecting and increasing gloss, and the film coating of the product can be packaged in a full-automatic manner through a film coating packer.

In the prior art, the film covering packer firstly covers the plastic film on the product, and carries out hot-pressing fusion to the front end and the rear end and cuts off, then transport the product to the heating cabinet, make the plastic film receive the thermal contraction can be tight cover on the product, but the product is when entering into the heating cabinet, because do not block, if the distance between the product is too near, cause the mutual contact of product easily, make the plastic film during the contraction, disturbed, can be complete shrink, cause the packing quality poor, simultaneously because the bottom side of product contacts with the conveyer belt, make its bottom side because can not fully be heated, also can cause the packing quality of product to obtain unable assurance, consequently need a packing tectorial membrane baling press to satisfy people's demand.

Disclosure of Invention

The invention aims to provide a packaging film-covering packer, which solves the problems that when products enter a heating box, the products are easy to contact with each other due to no barrier and the plastic film is interfered when being contracted, so that the packaging quality is poor, and meanwhile, because the bottom side of the products is contacted with a conveyor belt, the bottom side of the products cannot be sufficiently heated, the packaging quality of the products cannot be ensured.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a packing tectorial membrane baling press, its includes baling press frame and heating cabinet, the heating cabinet is installed the top side of baling press frame, install the control by temperature change case on the heating cabinet, install the conveyer belt in the baling press frame, the conveyer belt is located in the heating cabinet.

The heating box is characterized in that sliding strips are fixedly mounted on two sides of the heating box, a pressing frame is slidably mounted on each sliding strip, a same blocking plate is fixedly mounted on one side, close to each other, of each pressing frame, cutting strips are fixedly mounted on the bottom side of each blocking plate, and the blocking plates are matched with the heating box.

One side fixed mounting of heating cabinet has driving motor, fixed mounting has the drive shaft on driving motor's the output shaft, the fixed depression bar that has cup jointed in the drive shaft, rotate on the depression bar and install the pinch roller, fixed mounting has the contact lever on the lower pressure frame, the pinch roller with the contact lever contacts, fixed mounting has the mount on the barrier plate, the bottom side fixed mounting of mount has the carriage release lever, the removal hole has been seted up on the top side of heating cabinet, the bottom of carriage release lever is run through removal hole and fixed mounting have U type supporting frame, U type supporting frame is located in the heating cabinet.

The heating box is internally provided with a negative pressure device used for providing a negative pressure environment in the heating box.

Further, in a preferred embodiment of the present invention, the inner walls of both sides of the U-shaped clamping frame are provided with clamping plates, and the bottom sides of the two clamping plates are fixedly provided with arc-shaped plates; the negative pressure device is a variable-frequency speed-regulating exhaust fan communicated with the heating box inner box.

Further, in a preferred embodiment of the present invention, two telescopic translation holes are respectively formed on inner walls of two sides of the U-shaped clamping frame, translation rods are movably mounted in the four telescopic translation holes, one end of each of the two translation rods located on the same side is fixedly mounted on the same clamping plate, one end of each of the two translation rods located on the same side, which is far away from the clamping plate, is fixedly mounted on the same blocking frame, a return spring is sleeved on the translation rod, one end of the return spring is fixedly mounted on the clamping plate, and the other end of the return spring is fixedly mounted on the U-shaped clamping frame.

Further, in a preferred embodiment of the present invention, adapter plates are movably mounted on both sides of the U-shaped clamping frame, pushing rods are rotatably mounted on both the adapter plates, and the two pushing rods are respectively and fixedly mounted on the two blocking frames.

Further, in a preferred embodiment of the present invention, the pushing rod is provided with two pushing holes, two pushing shafts are rotatably installed in the pushing holes, and the two pushing shafts are respectively and fixedly installed on the blocking frame and the adapter plate.

Further, in a preferred embodiment of the present invention, two sliding grooves are formed in the top side of the U-shaped clamping frame, blocking slots are formed in the inner walls of the two sides of each sliding groove, the same T-shaped block is slidably mounted in the two blocking slots, and the adapter plate is fixedly mounted on the T-shaped block.

Further, in a preferred embodiment of the present invention, top sides of the two T-shaped blocks are fixedly mounted with top rods, and the two top rods are adapted to the inner wall of the top side of the heating box.

Further, in a preferred embodiment of the present invention, the sliding bar is provided with a sliding groove, an inner wall of the sliding groove is annularly provided with an arc-shaped slot, the arc-shaped slot is internally and slidably mounted with an anti-falling block, and the anti-falling block is fixedly mounted on the lower pressing frame.

Further, in a preferred embodiment of the present invention, the anti-drop block is provided with a sliding hole, a sliding rod is slidably installed in the sliding hole, a bottom side of the sliding rod is fixedly installed on an inner wall of a bottom side of the arc-shaped slot, the sliding rod is sleeved with a spring, a top end of the spring is fixedly installed on the anti-drop block, and a bottom end of the spring is fixedly installed on the inner wall of the bottom side of the arc-shaped slot.

Further, in a preferred embodiment of the present invention, the lower pressing rod is provided with a mounting groove, the pressing wheel is rotatably mounted in the mounting groove, the inner walls of both sides of the mounting groove are respectively provided with a mounting hole, mounting shafts are rotatably mounted in both the mounting holes, and the two mounting shafts are respectively and fixedly mounted on both sides of the pressing wheel.

The embodiment of the invention provides a packaging film-covering packer, which has the beneficial effects that:

in the embodiment of the invention, through the arrangement of the blocking plate, when the previous product enters the heating box to be heated, the blocking plate can drive the cutting strip to move downwards, so that the plastic film on the product can be cut off, and simultaneously, the next product can be blocked, so that enough space is reserved between the two adjacent products, the plastic film can completely cover the product when the product is plastically packaged, and the product quality can be effectively ensured.

Further, in the embodiment of the invention, through the arrangement of the U-shaped clamping frame, after the product enters the heating box, the product can be lifted, so that a certain gap can be formed between the bottom of the product and the conveying belt, the plastic film at the bottom of the product can be better shrunk, and the quality assurance of the product is further ensured.

Furthermore, in the embodiment of the invention, the negative pressure device is arranged in the heating box, so that when the product in the heating box is heated after being packaged and coated with the film, a negative pressure environment can be formed in the heating box, and the pressure between the product and the coating film can be greater than the pressure in the heating box (outside the coating film), so that the effect of slightly peeling the coating film is achieved, and the coating film is prevented from being attached to the product too tightly due to heating.

Drawings

FIG. 1 is a schematic view of a packaging, film-coating and packaging machine according to the present invention;

FIG. 2 is a schematic view of the internal structure of a heating box of the wrapping and film-covering machine according to the present invention;

FIG. 3 is a schematic structural view of portion A of FIG. 2 of a wrapping and film-wrapping machine according to the present invention;

FIG. 4 is a schematic view of the structure of the lower press frame and the lower press rod of the wrapping and film-covering machine according to the present invention;

FIG. 5 is a schematic structural view of a motor of the wrapping and film-wrapping machine according to the present invention;

FIG. 6 is a schematic view of the connection structure between the lower frame and the sliding rod of the wrapping and film-covering machine according to the present invention;

FIG. 7 is a schematic cross-sectional view of a slider of a wrapping and film-wrapping machine according to the present invention;

FIG. 8 is a schematic structural view of a U-shaped clamp rack of the wrapping and film-covering wrapping machine according to the present invention.

An icon: 1-a packer frame; 2-a conveyor belt; 3-heating the box; 4-temperature control box; 5-a barrier plate; 6-a slide bar; 7-a sliding groove; 8-arc clamping groove; 9-anti-drop block; 10-a slide hole; 11-a slide bar; 12-a pressing frame; 13-a drive motor; 14-a drive shaft; 15-lower compression bar; 16-mounting grooves; 17-a pinch roller; 18-mounting holes; 19-mounting the shaft; 20-cutting the strips; 21-a fixing frame; 22-moving the hole; 23-a moving bar; 24-U-shaped clamping frames; 25-a clamping plate; 26-telescopic translation holes; 27-a translation bar; 28-a return spring; 29-a blocking frame; 30-a sliding groove; 31-an adapter plate; 32-a blocking card slot; 33-a mandril; 34-a push rod; 35-a push hole; 36-a pushing shaft; 37-contact bar; 38-an arc plate; a 39-T block; 40-spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

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, it need not be further defined and explained in subsequent figures.

In addition, in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, which are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely vertical, but may be slightly inclined. Such as "vertical" simply means that its orientation is more vertical than "horizontal" and does not mean that the structure must be perfectly vertical, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

Referring to the attached drawings 1-8 of the specification, the packaging and film covering packaging machine comprises a packaging machine frame 1 and a heating box 3, wherein the heating box 3 is arranged on the top side of the packaging machine frame 1, a temperature control box 4 is arranged on the heating box 3, a conveyor belt 2 is arranged on the packaging machine frame 1, the conveyor belt 2 is positioned in the heating box 3, sliding strips 6 are fixedly arranged on two sides of the heating box 3, lower pressing frames 12 are respectively and slidably arranged on the two sliding strips 6, one side, close to each other, of the two lower pressing frames 12 is fixedly provided with a same blocking plate 5, a cutting strip 20 is fixedly arranged on the bottom side of the blocking plate 5, the blocking plate 5 is matched with the heating box 3, one side of the heating box 3 is fixedly provided with a driving motor 13, an output shaft of the driving motor 13 is fixedly provided with a driving shaft 14, a lower pressing rod 15 is fixedly sleeved on the driving shaft 14, a pressing wheel 17 is rotatably arranged on the lower pressing rod 15, a contact rod 37 is fixedly arranged on the lower pressing frame 12, the pinch roller 17 contacts with the contact rod 37, the fixing frame 21 is fixedly installed on the barrier plate 5, the moving rod 23 is fixedly installed at the bottom side of the fixing frame 21, the moving hole 22 is formed in the top side of the heating box 3, the bottom end of the moving rod 23 penetrates through the moving hole 22 and is fixedly installed with the U-shaped clamping frame 24, the U-shaped clamping frame 24 is located in the heating box 3, through up-and-down movement of the barrier plate 5, when a previous product enters the heating box 3 for heating, the barrier plate 5 can drive the cutting strip 20 to move downwards, so that plastic packages on the products can be guaranteed to be cut off, meanwhile, a next product can be blocked, enough space is left between two adjacent products, when the products are subjected to plastic package, plastic films can completely cover the products, the problem that the plastic films cannot completely cover the products due to mutual contact of the products can be solved, and when the barrier plate 5 moves downwards, the blocking plate 5 drives the moving rod 23 to move downwards through the fixing frame 21, the moving rod 23 can drive the U-shaped clamping frame 24 to move downwards, the U-shaped clamping frame 24 moves to enable the two arc-shaped plates 38 to be in contact with a product, therefore, in the process that the U-shaped clamping frame 24 continuously moves downwards, the product reversely extrudes the two arc-shaped plates 38, the two clamping plates 25 are further extruded, the two clamping plates 25 are extruded to be away from each other, the clamping plates 25 move to drive the two translation rods 27 to move, the two reset springs 28 are stressed to shrink, the product can be clamped at the moment, the product can be clamped, the blocking plate 5 is reset along with the continuous rotation of the pressing rod 15, the U-shaped clamping frame 24 moves upwards along with the clamping plates, the product is clamped at the bottom side, the product can generate a certain distance from the conveying belt 2, at the moment, the plastic film at the bottom side of the product can be effectively heated to shrink, and the plastic film can completely cover the product, the quality of the film can be further ensured. It should be emphasized that the heating box 3 of the wrapping and film-covering machine provided by the embodiment of the present invention is also provided with a negative pressure device inside for providing a negative pressure environment inside the heating box 3. Specifically, the negative pressure device may be a suction fan or other exhaust mechanism communicating with the inner cavity of the heating box, and it may preferably be a variable-frequency speed-regulating suction fan to adjust the negative pressure according to the needs of the actual working environment. Through set up negative pressure device in heating cabinet 3 inside for when heating after the product is packed the tectorial membrane in the heating cabinet 3, can have a negative pressure environment in the heating cabinet 3, make and produce the pressure differential from inside to outside in the heating cabinet 3, thereby make the pressure between product and the tectorial membrane can be greater than the pressure in the heating cabinet 3 (outside the tectorial membrane) slightly, so reach the effect of slightly peeling off the tectorial membrane, so as to avoid the tectorial membrane because the heating and with product tension attach.

Further, in the embodiment of the present invention, the inner walls of the two sides of the U-shaped clamping frame 24 are provided with the clamping plates 25, the arc plates 38 are fixedly mounted on the bottom sides of the two clamping plates 25, and by the arrangement of the arc plates 38, when the U-shaped clamping frame 24 is pressed down, the two arc plates 38 can be firstly contacted with a product, so that the product can be positioned between the two arc plates 38, and the two arc plates 38 are pressed, so that the product can be finally clamped by the two clamping plates 25.

Further, in the embodiment of the present invention, two telescopic translation holes 26 are respectively formed on inner walls of two sides of the U-shaped clamping frame 24, translation rods 27 are movably installed in the four telescopic translation holes 26, one end of each of the two translation rods 27 located on the same side is fixedly installed on the same clamping plate 25, one end of each of the two translation rods 27 located on the same side, which is far away from the clamping plate 25, is fixedly installed on the same blocking frame 29, a return spring 28 is sleeved on the translation rod 27, one end of the return spring 28 is fixedly installed on the clamping plate 25, the other end of the return spring 28 is fixedly installed on the U-shaped clamping frame 24, and when the clamping plate 25 moves, the two translation rods 27 are driven to slide in the two telescopic translation holes 26, and the two return springs 28 are stressed, so that the two clamping plates 25 can move horizontally.

Further, in the embodiment of the present invention, adapter plates 31 are movably mounted on both sides of the U-shaped clamping frame 24, pushing rods 34 are rotatably mounted on both the adapter plates 31, the two pushing rods 34 are respectively and fixedly mounted on the two blocking frames 29, when the two adapter plates 31 move, the two adapter plates 31 can drive the two blocking frames 29 to move through the two pushing rods 34, so as to further realize the movement of the two clamping plates 25.

Further, in the embodiment of the present invention, two pushing holes 35 are formed on the pushing rod 34, two pushing shafts 36 are rotatably mounted in the pushing holes 35, the two pushing shafts 36 are respectively fixedly mounted on the blocking frame 29 and the adapter plate 31, and when the pushing rod 34 moves, the two pushing shafts 36 rotate through the two pushing holes 35.

Further, in the embodiment of the present invention, two sliding grooves 30 are formed on the top side of the U-shaped clamping frame 24, blocking slots 32 are formed on the inner walls of both sides of the sliding grooves 30, the same T-shaped block 39 is slidably mounted in the two blocking slots 32, the adaptor plate 31 is fixedly mounted on the T-shaped block 39, and when the adaptor plate 31 moves, the T-shaped block 39 slides in the two blocking slots 32, so that the adaptor plate 31 is limited to move only in the vertical direction.

Further, in the embodiment of the present invention, top sides of the two T-shaped blocks 39 are both fixedly mounted with the top rods 33, the two top rods 33 are both adapted to the inner wall of the top side of the heating box 3, and by the arrangement of the two top rods 33, when the U-shaped clamping frame 24 is reset, the top rods 33 are in contact with the inner wall of the top side of the heating box 3, so that the two clamping plates 25 can be released, and the product can be dropped conveniently.

Further, in the embodiment of the present invention, the sliding strip 6 is provided with a sliding groove 7, the inner wall of the sliding groove 7 is annularly provided with an arc-shaped slot 8, the arc-shaped slot 8 is internally and slidably provided with an anti-falling block 9, the anti-falling block 9 is fixedly mounted on the lower pressing frame 12, and when the lower pressing frame 12 moves, the lower pressing frame 12 is restricted to only vertically slide by sliding in the arc-shaped slot 8 through the anti-falling block 9.

Further, in the embodiment of the present invention, a sliding hole 10 is formed in the anti-falling block 9, a sliding rod 11 is slidably installed in the sliding hole 10, a bottom side of the sliding rod 11 is fixedly installed on a bottom side inner wall of the arc-shaped clamping groove 8, a spring 40 is sleeved on the sliding rod 11, a top end of the spring 40 is fixedly installed on the anti-falling block 9, a bottom end of the spring 40 is fixedly installed on the bottom side inner wall of the arc-shaped clamping groove 8, and the anti-falling block 9 can be conveniently reset through the arrangement of the spring 40, so that the blocking plate 5 can be conveniently reset.

Further, in the embodiment of the present invention, the lower pressing rod 15 is provided with a mounting groove 16, the pressing wheel 17 is rotatably mounted in the mounting groove 16, the inner walls of both sides of the mounting groove 16 are both provided with mounting holes 18, the two mounting holes 18 are both rotatably mounted with mounting shafts 19, the two mounting shafts 19 are respectively and fixedly mounted on both sides of the pressing wheel 17, and when the lower pressing rod 15 rotates, the lower pressing rod 15 presses the contact rod 37 through the pressing wheel 17 to move, so that the pressing wheel 17 can rotate in the two mounting holes 18 through the two mounting shafts 19, and further friction can be effectively reduced.

The working principle of the invention is as follows:

when a product is packaged with a plastic film and is conveyed into the heating box 3 through the conveyor belt 2, the driving motor 13 is started, the driving shaft 14 drives the lower pressing rod 15 to rotate, the lower pressing rod 15 pushes against the contact rod 37 to move through the pressing wheel 17, the contact rod 37 drives the lower pressing frame 12 to move, the lower pressing frame 12 vertically slides in the arc-shaped clamping groove 8 through the anti-falling block 9, the lower pressing frame 12 moves to drive the blocking plate 5 to move, the blocking plate 5 can drive the other corresponding lower pressing frame 12 to move when moving, the blocking plate 5 moves, when a product enters the heating box 3, the blocking plate 5 can drive the cutting strip 20 to further cut the plastic film of the product, so that the plastic film on the product can be cut off, the packaging quality of the plastic film is ensured, meanwhile, the following product can be blocked, and a sufficient space is reserved between two adjacent products, when the product is subjected to plastic package, the plastic film can completely cover the product, the products cannot be contacted with each other, and the quality is further ensured;

Meanwhile, when the blocking plate 5 moves downwards, the movable rod 23 can be driven by the fixed frame 21 to move, the movable rod 23 drives the U-shaped clamping frame 24 to move downwards, the U-shaped clamping frame 24 moves to enable the two arc-shaped plates 38 to firstly contact with the product, and along with the downward movement of the U-shaped clamping frame 24, the product reversely extrudes the two arc-shaped plates 38 and extrudes the two clamping plates 25, after the two clamping plates 25 are extruded, the two arc-shaped plates can be mutually far away, the clamping plates 25 move to drive the two translation rods 27 to move, and enable the two reset springs 28 to be stressed and contracted so as to clamp the product, and then the blocking plate 5 resets by the continuous rotation of the pressing rod 15, so that the U-shaped clamping frame 24 moves upwards along with the clamping plates and clamps the product, so that the plastic film of the product can be effectively heated and contracted, when the U-shaped clamping frame 24 continuously moves upwards, the two ejector rods 33 are in contact with the inner wall of the top side of the heating box 3, make ejector pin 33 drive T type piece 39 and remove, T type piece 39 removes and drives adapter plate 31 and remove, and adapter plate 31 removes and drives catch bar 34 and remove, and catch bar 34 removes and drives and block frame 29 and remove for two grip blocks 25 keep away from each other, thereby make the product can drop, and then make the product can continue the conveying on conveyer belt 2.

In summary, the packaging and film-covering packaging machine provided by the embodiment of the invention can drive the cutting strip to move downwards through the arrangement of the blocking plate when the previous product enters the heating box to be heated, so that the plastic film on the product can be cut off, and the next product can be blocked, so that a sufficient space is left between two adjacent products, the plastic film can completely cover the product when the product is subjected to plastic packaging, and the quality of the product cannot be effectively guaranteed; through the arrangement of the U-shaped clamping frame, after the product enters the heating box, the product can be lifted, so that a certain gap can be formed between the bottom of the product and the conveying belt, a plastic film at the bottom of the product can be better contracted, and the quality of the product is further ensured; through setting up negative pressure device in heating cabinet inside for when heating after the heating cabinet interior product is wrapped the membrane, can have a negative pressure environment in the heating cabinet, thereby make the pressure between product and the tectorial membrane can be greater than the pressure in the heating cabinet (outside the tectorial membrane) slightly, so reach the effect of slightly peeling off to the tectorial membrane, so as to avoid the tectorial membrane to attach with the product is too tight because of the heating.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A packaging, film covering and packaging machine is characterized by comprising a machine frame and a heating box, wherein the heating box is installed on the top side of the machine frame, a temperature control box is installed on the heating box, a conveying belt is installed on the machine frame, and the conveying belt is located in the heating box;

the heating box is characterized in that sliding strips are fixedly mounted on two sides of the heating box, lower pressing frames are slidably mounted on the two sliding strips, one side, close to each other, of the two lower pressing frames is fixedly provided with the same blocking plate, the bottom side of the blocking plate is fixedly provided with a cutting strip, the blocking plate is matched with the heating box, one side of the heating box is fixedly provided with a driving motor, an output shaft of the driving motor is fixedly provided with a driving shaft, the driving shaft is fixedly sleeved with a lower pressing rod, the lower pressing rod is rotatably provided with a pressing wheel, the lower pressing frame is fixedly provided with a contact rod, the pressing wheel is contacted with the contact rod, the blocking plate is fixedly provided with a fixing frame, the bottom side of the fixing frame is fixedly provided with a moving rod, the top side of the heating box is provided with a moving hole, and the bottom end of the moving rod penetrates through the moving hole and is fixedly provided with a U-shaped clamping frame, the U-shaped clamping frame is positioned in the heating box; clamping plates are arranged on the inner walls of the two sides of the U-shaped clamping frame, and arc-shaped plates are fixedly mounted on the bottom sides of the two clamping plates; two telescopic translation holes are formed in the inner walls of two sides of the U-shaped clamping frame, translation rods are movably mounted in the four telescopic translation holes, one ends of the two translation rods positioned on the same side are fixedly mounted on the same clamping plate, one ends of the two translation rods positioned on the same side, which are far away from the clamping plate, are fixedly mounted on the same blocking frame, a reset spring is sleeved on the translation rods, one end of the reset spring is fixedly mounted on the clamping plate, and the other end of the reset spring is fixedly mounted on the U-shaped clamping frame; adapter plates are movably mounted on two sides of the U-shaped clamping frame, pushing rods are rotatably mounted on the two adapter plates, and the two pushing rods are fixedly mounted on the two blocking frames respectively; two pushing holes are formed in the pushing rod, two pushing shafts are rotatably mounted in the pushing holes, and the two pushing shafts are fixedly mounted on the blocking frame and the adapter plate respectively; the top side of the U-shaped clamping frame is provided with two sliding grooves, the inner wall of each sliding groove is provided with a blocking clamping groove, a T-shaped block is slidably mounted in the blocking clamping groove, and the adapter plate is fixedly mounted on the T-shaped block; and ejector rods are fixedly mounted on the top sides of the two T-shaped blocks and are matched with the inner wall of the top side of the heating box.

2. The packaging, film-coating and packaging machine according to claim 1, wherein the slide bar is provided with a slide groove, the inner wall of the slide groove is provided with an arc-shaped slot, an anti-drop block is slidably mounted in the arc-shaped slot, and the anti-drop block is fixedly mounted on the lower press frame.

3. The packaging, film-coating and packaging machine according to claim 2, wherein the anti-slip block is provided with a slip hole, a slip rod is slidably mounted in the slip hole, the bottom side of the slip rod is fixedly mounted on the bottom side inner wall of the arc-shaped slot, a spring is sleeved on the slip rod, the top end of the spring is fixedly mounted on the anti-slip block, and the bottom end of the spring is fixedly mounted on the bottom side inner wall of the arc-shaped slot.

4. The machine for wrapping and film-covering as claimed in claim 1, wherein said lower pressing rod has a mounting groove, said pressing wheel is rotatably mounted in said mounting groove, mounting holes are respectively formed on inner walls of both sides of said mounting groove, mounting shafts are rotatably mounted in both of said mounting holes, and said mounting shafts are respectively fixedly mounted on both sides of said pressing wheel.