CN213650001U - Fresh film wrapping machine - Google Patents

Abstract

The utility model discloses a give birth to bright wrapping machine, last electric heat piece and the lower electric heat piece of liftable of frame, unwinding mechanism, liftable are equipped with in the frame and wrap up in membrane conveyer belt and draw membrane mechanism. The film-wrapped conveyer belt can be used for conveying the tray filled with fresh food. The unwinding mechanism is including unreeling and changeing the roller, unreel and change the roller and all locate the frame, change and be equipped with many pricks on the roller, unreel the membrane that is used for releasing the lapping, change the roller and be used for supporting on the membrane, the prick needle can prick the membrane, the membrane turns right and turns over in order to form first membrane and second membrane. The film pulling mechanism is used for driving the upper half film and the lower half film to move above the film wrapping conveying belt along the conveying direction of the film wrapping conveying belt. The upper electric heating block is L-shaped, is arranged on the rack and is positioned in front of and at the right of the film wrapping conveying belt; the lower electric heating block is L-shaped, the lower electric heating block is arranged on the rack, and the lower electric heating block and the upper electric heating block are arranged up and down correspondingly. The film wrapping machine replaces manual film wrapping, is high in speed and is suitable for large-batch fresh film wrapping.

Description

Fresh film wrapping machine

Technical Field

The utility model relates to a equipment for packing field, in particular to give birth to bright wrapping machine.

Background

Fresh products include fruits, vegetables and meat, and along with the improvement of people's standard of living, people sharply increase to the demand of fresh products, in order to keep fresh products's freshness, in time with the product transportation sell to consumer's hand, avoid the product to lose moisture and corruption too soon, so packaging, transportation, deposit and the sale of fresh products are a very big challenge. In order to be matched with products to be sold to consumers, a plurality of products are packaged in a quantitative small bag mode, a certain amount of products are placed in a tray, and then the products and the tray are coated together by films such as preservative films, a large amount of labor force is needed in the process, the film coating speed is low, and the requirement of mass production cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a film wrapping machine for fresh food, which can wrap the tray containing the fresh food in the film.

According to the utility model discloses a give birth to bright wrapping machine, the last electric heat piece of going up and the lower electric heat piece of liftable including frame, unwinding mechanism, liftable, be equipped with in the frame and wrap up in the membrane conveyer belt and draw membrane mechanism. The film wrapping conveying belt can be used for conveying a tray filled with fresh food. The unwinding mechanism is including unreeling and changeing the roller, unreel with it all locates to change the roller in the frame, it is equipped with many prick needles on the roller to change, unreel the membrane that is used for releasing the lapping, it is used for supporting to change the roller on the membrane, the prick needle can be pricked and worn the membrane, the membrane turns right to turn over and turns over in order to form first membrane and second membrane. The film pulling mechanism is used for driving the upper half film and the lower half film to move above the film wrapping conveying belt along the conveying direction of the film wrapping conveying belt. The upper electric heating block is L-shaped, and is arranged on the rack and positioned in front of and at the right of the film wrapping conveying belt; the lower electric heating block is L-shaped, the lower electric heating block is arranged on the rack, and the lower electric heating block and the upper electric heating block are arranged up and down correspondingly.

The film feeding direction is the same as the conveying direction of the film wrapping conveying belt, the film is folded rightwards along the width direction of the film wrapping conveying belt, so that an upper half film and a lower half film are formed, then the film is coiled into a roll shape, and the coiled film is placed on an unreeling machine. Unreel and be used for releasing the membrane, the membrane walk around change behind the roller by draw membrane mechanism pulling, draw membrane mechanism to order about first membrane and second membrane to be in wrap up in membrane conveyer belt top edge wrap up in the direction of delivery of membrane conveyer belt and remove, because change and be equipped with many prick needles on the roller, so prick needle and will first membrane and second membrane and prick and have worn a plurality of apertures. First membrane is in with second membrane wrap up in membrane conveyer belt top and follow when wrapping up in the direction of delivery of membrane conveyer belt and removing, arrange a plurality of trays in proper order in first membrane and second between the membrane, the tray will be half membrane pressure down on wrapping up in the membrane conveyer belt under the effect of gravity, wrap up in the membrane conveyer belt and can drive second membrane and tray and remove. Initially, the upper electric heating block is at the highest position, the lower electric heating block is at the lowest position, and the film-wrapped conveying belt is arranged between the upper electric heating block and the lower electric heating block.

According to the utility model discloses give birth to bright wrapping machine has following beneficial effect at least: the tray is in between half membrane and the lower half membrane and press when wrapping up in the membrane conveyer belt, goes up the decline of electric heat piece, and lower electric heat piece rises, goes up electric heat piece and lower electric heat piece butt joint half membrane and half membrane down respectively, goes up electric heat piece and electric heat piece down with half membrane from horizontal and vertical fusing and hot pressing together half membrane down for the front end of tray, the rear end tunic of right-hand member and another tray are sealed, analogize to this, finally make a tray wrap up in proper order the membrane. And because the upper half film and the lower half film are punctured with a plurality of small holes, air wrapped in the films can be discharged through the small holes, and the films are prevented from wrapping a large amount of air and the trays together. The film wrapping machine replaces manual film wrapping, is high in speed and is suitable for large-batch fresh film wrapping.

According to the utility model discloses a some embodiments still include last pressure frame and the frame of pushing down that can open and shut, it articulates to go up the pressure frame in the frame and can cover and establish wrap up in the front end of membrane conveyer belt, go up the electric heat piece and locate on the last pressure frame, the frame of pushing down articulates just can cover in the frame and establish wrap up in the front end of membrane conveyer belt, the electric heat piece is located down on the pressure frame.

According to some embodiments of the utility model, go up the electric heat piece with down the electric heat piece respectively through a plurality of first elastic component and a plurality of second elastic component with go up press the frame with press the frame to connect down.

According to the utility model discloses a some embodiments, still be equipped with actuating mechanism in the frame, actuating mechanism with on press the frame is connected in order to order about on press the frame with it opens and shuts to press the frame down.

According to the utility model discloses a some embodiments, actuating mechanism is including locating pivot in the frame, be equipped with first connecting rod and second connecting rod in the pivot, first connecting rod with the second connecting rod is parallel to each other, it has the third connecting rod to articulate on the first connecting rod, the third connecting rod with it is articulated to go up to press the frame, it has the fourth connecting rod to articulate on the second connecting rod, the fourth connecting rod with it is articulated to press the frame down.

According to some embodiments of the utility model, actuating mechanism is still including locating cylinder in the frame, still be equipped with the fifth connecting rod in the pivot, the piston rod of cylinder with the fifth connecting rod is articulated.

According to some embodiments of the utility model, still be equipped with in the frame and throw the material conveyer belt, throw the material conveyer belt with wrap up in the setting of membrane conveyer belt along the fore-and-aft direction.

According to some embodiments of the utility model, the top and the below of throwing the material conveyer belt are equipped with deflector and lower deflector respectively, go up the deflector with the deflector can guide respectively down first membrane with second membrane is followed respectively throw the top and the below process of expecting the conveyer belt.

According to some embodiments of the utility model, unreel with it all locates to change the roller throw the left of material conveyer belt and all with the direction of delivery of throwing the material conveyer belt is parallel, go up the leading flank of deflector the leading flank of lower deflector with the direction of delivery of throwing the material conveyer belt is the acute angle, go up the leading flank of deflector with the leading flank of lower deflector can respectively with first membrane with second membrane butt, so that first membrane with the direction of delivery of second membrane with the direction of delivery of throwing the material conveyer belt is the same.

According to the utility model discloses a some embodiments, unwinding mechanism still includes the bracing piece, be equipped with two spouts, two in the frame the spout is parallel to each other, the spout with it is in the coplanar, two to unreel the spout is kept away from all be equipped with the third elastic component in the one end of unreeling, the both ends of bracing piece are installed in two respectively can slide in the spout and the butt the third elastic component.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a fresh food film wrapping machine according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of the film wrapping machine shown in FIG. 1;

FIG. 3 is a schematic structural view of a film wrapping conveyer belt, an upper pressing frame and a lower pressing frame of the fresh film wrapping machine shown in FIG. 1;

fig. 4 is a schematic structural view of a film pulling mechanism of the fresh film wrapping machine shown in fig. 1.

Reference numerals:

the film-wrapping machine comprises a frame 100, a film-wrapping conveying belt 110, an upper pressing frame 120, a first elastic piece 121, a lower pressing frame 130, a second elastic piece 131, a feeding conveying belt 140, an upper guide plate 141, a lower guide plate 142, a chute 150, an unreeling mechanism 200, an unreeling 210, a rotating roller 220, a pricking pin 221, a supporting rod 230, a film-pulling mechanism 300, a driving wheel 310, a driven wheel 320, a first auxiliary wheel 330, a second auxiliary wheel 340, an upper electric heating block 400, a lower electric heating block 500, a rotating shaft 600, a first connecting rod 610, a third connecting rod 611, a second connecting rod 620, a fourth connecting rod 621, a fifth connecting rod 630, an air cylinder 700 and a waste material reeling 800.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to the orientation description, such as the directions of up, down, front, back, left, right, etc., may be the orientation or positional relationship shown on the drawings, only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the present number, and the terms greater than, less than, within, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 3, the utility model discloses a fresh film wrapping machine, including frame 100, unwinding mechanism 200, the last electric heat piece 400 of liftable and the lower electric heat piece 500 of liftable, be equipped with on the frame 100 and wrap up in membrane conveyer belt 110 and draw membrane mechanism 300.

Wherein, the film wrapping conveyer belt 110 can be used for conveying the tray containing the fresh food. Unwinding mechanism 200 is including unreeling 210 and changeing roller 220, unreels 210 and changes roller 220 and all locate frame 100 on, changes and is equipped with many prick needles 221 on the roller 220, unreels 210 and is used for releasing the membrane of lapping, changes roller 220 and is used for supporting on the membrane, and prick needle 221 can prick the membrane, and the membrane turns right to turn over in order to form half membrane and half membrane down. The film drawing mechanism 300 is used for driving the upper half film and the lower half film to move above the film wrapping conveying belt 110 along the conveying direction of the film wrapping conveying belt 110. The upper electric heating block 400 is L-shaped, and the upper electric heating block 400 is arranged on the rack 100 and is positioned in front of and at the right of the film wrapping conveying belt 110; the lower electric heating block 500 is L-shaped, the lower electric heating block 500 is disposed on the frame 100, and the lower electric heating block 500 and the upper electric heating block 400 are disposed up and down correspondingly.

The film feeding direction is the same as the conveying direction of the film wrapping conveyor 110, the film is folded right along its own width direction to form an upper film half and a lower film half, and then the film is rolled up in a roll shape, and the rolled film is placed on the unwinding roll 210. Unreel 210 and be used for releasing the membrane, the membrane is walked around and is changeed the roller 220 back and is pulled by drawing membrane mechanism 300, draws membrane mechanism 300 and drives first membrane and second membrane and move along the direction of delivery of wrapping up in membrane conveyer belt 110 above wrapping up in membrane conveyer belt 110, because it is equipped with many prick needles 221 to change roller 220, so prick first membrane and second membrane and have a plurality of apertures. When the upper half film and the lower half film move above the film wrapping conveying belt 110 along the conveying direction of the film wrapping conveying belt 110, a plurality of trays are sequentially arranged between the upper half film and the lower half film, the lower half film is pressed on the film wrapping conveying belt 110 by the trays under the action of gravity, and the lower half film and the trays can be driven to move by the film wrapping conveying belt 110. Initially, the upper electric heating block 400 is at the highest position, the lower electric heating block 500 is at the lowest position, and the film wrapping tape 110 is between the upper electric heating block 400 and the lower electric heating block 500.

The tray is in between half membrane and the lower half membrane and when pressing on wrapping up in membrane conveyer belt 110, goes up electric heat block 400 and descends, and lower electric heat block 500 rises, goes up electric heat block 400 and lower electric heat block 500 butt half membrane and half membrane down respectively, goes up electric heat block 400 and electric heat block 500 with half membrane and half membrane down from horizontal and vertical fusing and hot pressing together for the front end of tray, the rear end capsule of right-hand member and another tray are sealed, so on and so on, make finally that a tray wraps up in the membrane in proper order. And because the upper half film and the lower half film are punctured with a plurality of small holes, air wrapped in the films can be discharged through the small holes, and the films are prevented from wrapping a large amount of air and the trays together. The film wrapping machine replaces manual film wrapping, is high in speed and is suitable for large-batch fresh film wrapping.

The utility model discloses an in some embodiments, the film wrapping machine still includes last pressure frame 120 and the lower pressure frame 130 that can open and shut, goes up pressure frame 120 and articulates in frame 100 and can cover the front end of establishing at the film wrapping conveyer belt 110, goes up on the last pressure frame 120 is located to electric heat piece 400, and lower pressure frame 130 articulates in frame 100 and can cover the front end of establishing at the film wrapping conveyer belt 110, and lower electric heat piece 500 is located on lower pressure frame 130. When the upper pressing frame 120 and the lower pressing frame 130 are combined together, the upper electric heating block 400 and the lower electric heating block 500 can be abutted on the left, right and front of the front end of the film wrapping conveying belt 110, and the upper half film and the lower half film can be fused and hot pressed together along the transverse direction and the longitudinal direction of the upper electric heating block 400 and the lower electric heating block 500. The upper pressing frame 120 and the lower pressing frame 130 are both connected to the frame 100 in a hinged manner, that is, the upper pressing frame 120 and the lower pressing frame 130 can swing to open and close the upper pressing frame 120 and the lower pressing frame 130.

In some embodiments of the present invention, the upper electric heating block 400 and the lower electric heating block 500 are respectively connected to the upper pressing frame 120 and the lower pressing frame 130 through the plurality of first elastic members 121 and the plurality of second elastic members 131. The first elastic member 121 and the second elastic member 131 both have a contracting function, and the arrangement of the plurality of elastic members can keep the upper electric heating block 400 and the lower electric heating block 500 horizontal when encountering external force, so as to finally ensure that the upper electric heating block 400 can be tightly attached to the lower electric heating block 500 to fuse the film and thermally fuse the upper half film and the lower half film together.

In some embodiments of the present invention, the first elastic member 121 and the second elastic member 131 may be springs.

In some embodiments of the present invention, the frame 100 is further provided with a driving mechanism, and the driving mechanism is connected to the upper pressing frame 120 and the lower pressing frame 130 to drive the upper pressing frame 120 and the lower pressing frame 130 to open and close. The driving mechanism drives the upper pressing frame 120 and the lower pressing frame 130 to rotate around the hinge point, so that the upper electric heating block 400 and the lower electric heating block 500 can be driven to be close to or far away from each other, and the sealing of the front end film, the rear end film and the right end film of the tray is further completed. The whole upper pressing frame 120 and the whole lower pressing frame 130 do not need to be driven to integrally lift, so that the requirement of the film wrapping machine on the power of the driving mechanism is low.

It is understood that the upper frame 120 and the lower frame 130 may be symmetrically disposed with respect to the upper surface of the film wrapping tape 110, and when the upper frame 120 and the lower frame 130 are combined, the junction of the upper frame 120 and the lower frame 130 is flush with the upper surface of the film wrapping tape 110.

The utility model discloses an in some embodiments, go up and press frame 120 to include the diaphragm and locate left side board and right side board on the diaphragm both ends, left side board and right side board all are perpendicular with the diaphragm, and the one end that the diaphragm was kept away from to the one end, the right side board of diaphragm were kept away from to the left side board all is articulated with frame 100, and left side board and right side board can be in respectively and wrap up in the left and right-hand of membrane conveyer belt 110, and the diaphragm is portable to wrapping up in the place ahead of membrane conveyer belt 110, goes up electric heat piece 400 and locates on diaphragm. When the upper pressing frame 120 rotates to move the free end of the upper pressing frame 120 downward, i.e., the horizontal plate downward, the left side plate, the right side plate, and the horizontal plate are respectively located at the left, right, and front of the film wrapping conveying belt 110, i.e., the upper pressing frame 120 can be sleeved on the front end of the film wrapping conveying belt 110. The upper pressing frame 120 has a symmetrical structure, so that the upper pressing frame is balanced in stress and high in structural strength. Similarly, the lower press frame 130 may have the same or similar structure as the upper press frame 120.

It can also be understood that the upper pressing frame 120 and the lower pressing frame 130 are both U-shaped, the open end of the upper pressing frame 120 is hinged to the frame 100, the open end of the lower pressing frame 130 is also hinged to the frame 100, the upper pressing frame 120 and the lower pressing frame 130 can be sleeved on the front end of the film wrapping conveying belt 110, and when the upper half film and the lower half film clamp the tray to enter the film wrapping conveying belt 110, the upper pressing frame 120 and the lower pressing frame 130 are combined immediately, so that the film wrapping of the tray is completed.

The utility model discloses an in some embodiments, actuating mechanism is including locating pivot 600 in frame 100, is equipped with first connecting rod 610 and second connecting rod 620 on pivot 600, and first connecting rod 610 and second connecting rod 620 are parallel to each other, and it has third connecting rod 611 to articulate on the first connecting rod 610, and third connecting rod 611 is articulated with last frame 120 that presses, and it has fourth connecting rod 621 to articulate on the second connecting rod 620, and fourth connecting rod 621 and frame 130 that presses down are articulated.

When the rotating shaft 600 rotates, the first link 610 and the second link 620 are driven to rotate, and the first link 610 and the second link 620 drive the upper pressing frame 120 and the lower pressing frame 500 to rotate through the third link 611 and the fourth link 621, respectively. Since the first link 610 and the second link 620 are parallel to each other, the rotation directions of the upper frame 120 and the lower frame 500 are opposite, that is, the upper frame 120 and the lower frame 500 are opened or closed.

The utility model discloses an in some embodiments, actuating mechanism still includes the cylinder 700 of locating on frame 100, still is equipped with fifth connecting rod 630 in the pivot 600, and the piston rod and the fifth connecting rod 630 of cylinder 700 are articulated. The cylinder 700 drives the shaft 600 to rotate back and forth around its central axis through the fifth link 630, and the cylinder 700 itself drives the shaft to move back and forth or back and forth, which is most suitable for this purpose.

Specifically, two first links 610, two second links 620, two third links 611, and two fourth links 621 are provided. A first link 610, a second link 620, a third link 611, and a fourth link 621 are located to the left of the lower pressure frame 130; the other first link 610, the other second link 620, the other third link 611 and the other fourth link 621 are located at the right side of the lower pressure frame 130, such arrangement can make the left and right sides of the upper pressure frame 120 and the lower pressure frame 130 stressed in a balanced manner, avoid the upper pressure frame 120 and the lower pressure frame 130 from deforming, and prolong the service life of the upper pressure frame 120 and the lower pressure frame 130.

In some embodiments of the present invention, the frame 100 is further provided with a feeding conveyer belt 140, and the feeding conveyer belt 140 and the film wrapping conveyer belt 110 are arranged along the front-back direction. The tray containing fresh food can be directly put on the feeding conveyer belt 140, then the tray is fed between the upper half film and the lower half film through the feeding conveyer belt 140 and falls on the film wrapping conveyer belt 110, and the feeding conveyer belt 140 can conveniently put the tray.

The utility model discloses an in some embodiments, the top and the below of throwing material conveyer belt 140 are equipped with deflector 141 and lower deflector 142 respectively, and upper deflector 141 and lower deflector 142 can guide first half membrane and second half membrane respectively from throwing the top and the below process of material conveyer belt 140. The upper and lower film halves are as if the upper and lower film halves were wrapped around the feeding conveyor 140, i.e., the upper and lower film halves are wrapped around the pallet, so that the pallet is already sandwiched between the upper and lower film halves when it is transferred to the wrapping conveyor 110.

The utility model discloses an in some embodiments, unreel 210 and change roller 220 and all locate the left of throwing material conveyer belt 140 and all be parallel with the direction of delivery who throws material conveyer belt 140, go up the leading flank of deflector 141, the leading flank of lower deflector 142 is the acute angle with the direction of delivery who throws material conveyer belt 140, the leading flank of going up deflector 141 and the leading flank of lower deflector 142 can be respectively with first membrane and second membrane butt to make the direction of delivery of first membrane and second membrane and the direction of delivery who throws material conveyer belt 140 the same.

The upper half film and the lower half film pass above and below the feeding conveyer belt 140, respectively, and when a tray is placed on the feeding conveyer belt 140, the tray is already positioned between the upper half film and the lower half film. Because the front side of the upper guide plate 141 and the front side of the lower guide plate 142 form an acute angle with the conveying direction of the feeding conveyor belt 140, that is, the front of the front side of the upper guide plate 141 is a vacant area, a tray can be conveniently and directly placed in the vacant area. Because the membrane is folded in half to form the part between the upper half membrane and the lower half membrane, the connection part of the upper half membrane and the lower half membrane is a sealing area. Since the unwinding roll 210 and the rotating roll 220 are both disposed at the left of the feeding conveyor belt 140, the sealing area of the film released from the unwinding roll 210 faces the front of the feeding conveyor belt 140, and since the front side of the upper guide plate 141 and the front side of the lower guide plate 142 form an acute angle with the conveying direction of the feeding conveyor belt 140, the upper half film changes the conveying direction of the upper half film by reversing the inner side and the outer side in the area of the upper guide plate 141, and the lower half film changes the conveying direction of the upper half film by reversing the inner side and the outer side in the area of the lower guide plate 142.

The utility model discloses an in some embodiments, unwinding mechanism 200 still includes bracing piece 230, is equipped with two spouts 150 in frame 100, and two spouts 150 are parallel to each other, and spout 150 with unreel 210 and be in the coplanar, and two spouts 150 are kept away from and are all equipped with the third elastic component in the one end of unreeling 210, and the both ends of bracing piece 230 can install in two spouts 150 and butt third elastic component respectively with sliding.

Since the chute 150 and the unwinding reel 210 are located on the same plane, that is, the length direction of the chute 150 is perpendicular to the length direction of the unwinding reel 210, the third elastic member pushes the supporting rod 230 toward the unwinding reel 210. When the rolled film is placed on the unwinding roll 210, the third elastic member drives the supporting rod 230 to press on the rolled film, so that the film is pressed, and resistance is provided to the release of the film, so that the film released by the film is kept in a tensioned state. The third elastic member may be a spring.

With further reference to fig. 4, the film drawing mechanism 300 includes a motor and a driven wheel 320 disposed on the frame 100, the motor is provided with a driving wheel 310 engaged with the driven wheel 320, and the driving wheel 310 and the driven wheel 320 are disposed at the right side of the film wrapping conveying belt 110 and can simultaneously clamp and drive the upper half film and the lower half film. The motor drives the driving wheel 310 and the driven wheel 320 to rotate, so that the upper half film and the lower half film are driven to move along the conveying direction of the film wrapping conveying belt 110.

When the upper half film and the lower half film are longitudinally fused and hot-pressed together by the upper electric heating block 400 and the lower electric heating block 500, the upper half film and the lower half film are fused, the upper half film and the lower half film at the part which is not wrapped by the tray are waste films, and the driving wheel 310 and the driven wheel 320 can clamp and pull the waste films.

It can be understood that the film drawing mechanism 300 further includes a first auxiliary wheel 330 and a second auxiliary wheel 340 disposed on the frame 100, a first belt is disposed around the driving wheel 310 and the first auxiliary wheel 330, a second belt is disposed around the driven wheel 320 and the second auxiliary wheel 340, the first belt and the second belt abut against each other and can clamp the upper film and the lower film, and the first belt and the second belt rotate to draw the films to move along the conveying direction of the film wrapping conveying belt 110.

In some embodiments of the present invention, a waste material roll 800 is disposed on the frame 100, and the waste material roll 800 can be used to store waste material films. Waste rolling 800 rolls up the waste film, avoids the waste film to occupy too much workshop space, makes things convenient for the collection and the unified processing of waste film.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (10)

1. A fresh film wrapping machine, comprising:

the fresh food packaging machine comprises a rack (100), wherein a film wrapping conveying belt (110) is arranged on the rack (100), and the film wrapping conveying belt (110) can be used for conveying a tray containing fresh food;

the unwinding mechanism (200) comprises an unwinding roller (210) and a rotating roller (220), the unwinding roller (210) and the rotating roller (220) are both arranged on the rack (100), a plurality of puncturing needles (221) are arranged on the rotating roller (220), the unwinding roller (210) is used for releasing a coiled film, the film is folded to the right to form an upper half film and a lower half film, the rotating roller (220) is used for abutting against the film, and the puncturing needles (221) can puncture the film;

the film drawing mechanism (300) is arranged on the rack (100), and the film drawing mechanism (300) is used for driving the upper half film and the lower half film to move above the film wrapping conveying belt (110) along the conveying direction of the film wrapping conveying belt (110);

the lifting upper electric heating block (400), the upper electric heating block (400) is L-shaped, and the upper electric heating block (400) is arranged on the rack (100) and is positioned in front of and at the right of the film wrapping conveying belt (110);

liftable lower electric heat piece (500), lower electric heat piece (500) are the L type, electric heat piece (500) are located down on frame (100), just electric heat piece (500) down with go up electric heat piece (400) corresponding setting from top to bottom.

2. The fresh film wrapping machine of claim 1, wherein: still including last pressure frame (120) and the frame (130) that push down that can open and shut, go up pressure frame (120) articulate in frame (100) are gone up and can be covered and establish wrap up in the front end of membrane conveyer belt (110), go up electric heat piece (400) and locate go up on pressure frame (120), push down frame (130) articulate in frame (100) are gone up and can be covered and establish wrap up in the front end of membrane conveyer belt (110), electric heat piece (500) are located down on pressure frame (130).

3. The fresh film wrapping machine of claim 2, wherein: the upper electric heating block (400) and the lower electric heating block (500) are respectively connected with the upper pressure frame (120) and the lower pressure frame (130) through a plurality of first elastic pieces (121) and a plurality of second elastic pieces (131).

4. A fresh film wrapper according to claim 2 or 3, wherein: the rack (100) is also provided with a driving mechanism, and the driving mechanism is connected with the upper pressing frame (120) and the lower pressing frame (130) to drive the upper pressing frame (120) and the lower pressing frame (130) to open and close.

5. The fresh film wrapping machine of claim 4, wherein: the actuating mechanism is including locating pivot (600) in frame (100), be equipped with first connecting rod (610) and second connecting rod (620) on pivot (600), first connecting rod (610) with second connecting rod (620) are parallel to each other, it has third connecting rod (611) to articulate on first connecting rod (610), third connecting rod (611) with it is articulated to go up to press frame (120), it has fourth connecting rod (621) to articulate on second connecting rod (620), fourth connecting rod (621) with it is articulated to press frame (130) down.

6. The fresh film wrapping machine of claim 5, wherein: the driving mechanism further comprises an air cylinder (700) arranged on the rack (100), a fifth connecting rod (630) is further arranged on the rotating shaft (600), and a piston rod of the air cylinder (700) is hinged to the fifth connecting rod (630).

7. The fresh film wrapping machine of claim 1, wherein: the frame (100) is also provided with a feeding conveyer belt (140), and the feeding conveyer belt (140) and the film wrapping conveyer belt (110) are arranged along the front-back direction.

8. The fresh film wrapping machine of claim 7, wherein: an upper guide plate (141) and a lower guide plate (142) are respectively arranged above and below the feeding conveying belt (140), and the upper guide plate (141) and the lower guide plate (142) can respectively guide the upper half film and the lower half film to respectively pass through the upper side and the lower side of the feeding conveying belt (140).

9. The fresh film wrapping machine of claim 8, wherein: the unreeling device is characterized in that the unreeling device (210) and the rotating roller (220) are arranged on the left side of the feeding conveying belt (140) and are parallel to the conveying direction of the feeding conveying belt (140), the front side surface of the upper guide plate (141), the front side surface of the lower guide plate (142) and the conveying direction of the feeding conveying belt (140) form acute angles, and the front side surface of the upper guide plate (141) and the front side surface of the lower guide plate (142) can be respectively abutted against the upper half film and the lower half film, so that the conveying directions of the upper half film and the lower half film are the same as the conveying direction of the feeding conveying belt (140).

10. The fresh film wrapping machine of claim 1, wherein: unwinding mechanism (200) still includes bracing piece (230), be equipped with two spout (150) on frame (100), two spout (150) are parallel to each other, spout (150) with unreel (210) and be in the coplanar, two spout (150) are kept away from all be equipped with the third elastic component in the one end of unreeling (210), the both ends of bracing piece (230) can install in two respectively with sliding and the butt in spout (150) the third elastic component.

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