CN212290448U - Cold film sleeving machine - Google Patents

Abstract

A cold film sleeving machine belongs to the technical field of film sleeving machines. The method is characterized in that: including supplying membrane device (1), covering membrane device (2) and conveyor, covering membrane device (2) set up in the packaging film output side that supplies membrane device (1), covering membrane device (2) are connected with and promote its at conveyor and supply the thrust unit of reciprocating motion between membrane device (1), last being provided with of conveyor with covering membrane device (2) matched with let the position portion, all be provided with heat-seal between the packaging film output side and conveyor and covering membrane device (2) that supply membrane device (1) and cut membrane device (9). This cold cover membrane machine has realized the covering membrane of product at the in-process of product horizontal transport to cut the heat-seal of membrane device through the heat-seal and cut off that the membrane has realized the packaging membrane, realized the full-seal packing to the product, let the convenient covering membrane device of position and conveyor cooperation, thrust unit promotes covering membrane device reciprocating motion, thereby has realized continuous covering membrane, job stabilization.

Description

Cold film sleeving machine

Technical Field

A cold film sleeving machine belongs to the technical field of film sleeving machines.

Background

The film sleeving machine is mainly used for sleeving, sealing and cutting and packaging large articles such as food, beverage, local specialty and ceramic. The articles to be packaged are put into the pushing support to be manually pushed in and then sealed and cut. The applicable packaging material is a PE film, and compared with the traditional carton packaging, the packaging cost is greatly saved. Chinese utility model patent application No. 201620596211.0 discloses a cold drawing formula cover membrane machine, it is after propping the mouth with the packaging film, outside the upside cover to the product by the product that piles up, but because there is the support in the bottom of product, consequently can't seal the bottom of packaging film, and this just leads to its unable sealed packing that realizes.

Disclosure of Invention

The to-be-solved technical problem of the utility model is: overcome prior art's not enough, provide one kind and realized horizontal mantle, and then can carry out the cold mantle machine of full-sealed packing to the product.

The utility model provides a technical scheme that its technical problem adopted is: this cold coating machine, its characterized in that: including supplying membrane device, covering membrane device and conveyor, covering membrane device sets up in the packaging film output side that supplies the membrane device, and covering membrane device is connected with and promotes its at conveyor and supply reciprocating motion's between the membrane device thrust unit, last being provided with of conveyor with covering membrane device matched with let the position portion, all be provided with the heat-seal between the packaging film output side that supplies the membrane device and conveyor and covering membrane device and cut the membrane device.

Preferably, the conveying device includes an input conveying device and an output conveying device, and the input conveying device and the output conveying device are arranged on two sides of the film covering device to form the relief portion.

Preferably, the output end of the input conveying device is provided with a movable conveying device, the movable conveying device is connected with the input conveying device in a sliding manner, and the movable conveying device is connected with a power device for pushing the movable conveying device to move back and forth between the input conveying device and the output conveying device.

Preferably, the film covering device comprises at least three film supporting devices and at least three film retracting devices, the film retracting devices surround a circular or polygonal frame, each film retracting device is connected with the film supporting device and moves towards the direction close to or far away from the middle part of the frame along with the film supporting device, and the pushing device is connected with the film supporting device.

Preferably, the film supporting device comprises a horizontal film supporting device and a vertical film supporting device, the vertical film supporting device is installed on the horizontal film supporting device, at least two film receiving and releasing devices are installed on the horizontal film supporting device, and the rest film receiving and releasing devices are installed on the vertical film supporting device.

Preferably, the film collecting and releasing device comprises a first conveying device and a second conveying device, the first conveying device and the second conveying device are arranged side by side at intervals, and the first conveying device or the second conveying device is connected with a swinging device for driving the first conveying device or the second conveying device to swing, so that an extrusion conveying part is formed between the first conveying device and the second conveying device.

Preferably, supply the membrane device including compress tightly the frame, prop a mouthful frame, roll up the membrane frame and be used for dragging the draw gear who draws the packaging film, prop a mouthful frame and be independent of and compress tightly the frame and float the setting, compress tightly the frame setting and be propping a mouthful frame outside, prop a mouthful frame and be provided with the location portion that is used for the location on compressing tightly the frame, roll up the setting of membrane frame and be propping a mouthful frame one side.

Preferably, prop the relative both sides of mouthful frame and all be provided with first location axle and second location axle side by side, first location axle and second location axle parallel arrangement compress tightly the frame and set up between first location axle and second location axle to compress tightly first location axle and second location axle simultaneously.

Preferably, the first positioning shaft or the second positioning shaft is provided with a transverse positioning wheel, the pressing frame is provided with a limiting part, and the transverse positioning wheel is matched with the limiting part to position the opening support.

Preferably, air blowing devices are arranged on two sides of each heat-sealing film cutting device.

Compared with the prior art, the utility model discloses the beneficial effect who has is:

1. this cold cover membrane machine's confession membrane device will prop the packaging film after the mouth and carry to keeping in on the cover membrane device, then the cover membrane device cooperatees with conveyor again, the cover membrane of product has been realized at the in-process of product horizontal transport to cut the heat-seal that the membrane device realized the packaging film through the heat-seal and cut off, realized the totally enclosed packing to the product, the portion of stepping down makes things convenient for cover membrane device and conveyor cooperation, thrust unit promotes cover membrane device reciprocating motion, thereby continuous cover membrane has been realized, job stabilization.

2. The input conveying device and the output conveying device are arranged on two sides of the film covering device, so that the film covering device can move between the input conveying device and the output conveying device conveniently, and film covering of products is achieved.

3. The power device pushes the movable conveying device to move, so that the movable conveying device can stretch into a packaging film when the product is coated with the film, and is butted with the output conveying device, the continuous conveying of the product is guaranteed, the cushion block at the bottom of the product is prevented from falling off, and the stable and smooth continuous conveying of the product can be guaranteed.

4. Receive and release the membrane device and enclose into circular or polygon frame, prop the membrane device and drive and receive and release the membrane device and remove to realized propping the membrane, receive and release the membrane device and can enough realize carrying out the function of keeping in to the packaging film who struts, can realize the release function of packaging film again, and then can cooperate with the product on the conveyor chain, realized the cover membrane of product, and can carry out sealed packing to the product.

5. The horizontal film supporting device can support the packaging film in the horizontal direction, and the vertical film supporting device can support the packaging film in the vertical direction, so that the packaging film can be completely supported, and the packaging film can be conveniently sleeved on a product.

6. The swinging device drives the first conveying device or the second conveying device to swing, so that the end parts of the first conveying device and the second conveying device are contacted alternately, the packaging film can be conveniently fed into the space between the first conveying device and the second conveying device when the packaging film is received, and the packaging film can be completely released when the packaging film is released, automatic collection and release of the packaging film are realized, the movement of the packaging film is facilitated, products can be conveniently moved into the packaging film, and sealed packaging of the products is realized.

7. Prop the frame of mouthful independent of compressing tightly the frame and float the setting, prop the frame setting in the packaging film, and compress tightly on propping the frame of mouthful through compressing tightly the frame, thereby realized propping the mouth of packaging film, cooperation draw gear is to the pulling of packaging film, realized continuous mouthful, and can guarantee to strut the packaging film completely, solved among the prior art and propped the insecure problem of mouthful, the stability is greatly improved, location portion can make and prop a frame location and compress tightly the frame, guarantee to prop a frame stable in position, conveniently carry out next packing process.

8. The compressing frame is arranged between the first positioning shaft and the second positioning shaft, and the positioning is realized through the matching of the first positioning shaft and the second positioning shaft with the compressing frame, so that the positioning of the mouth support in the direction perpendicular to the plane where the mouth support is located is realized, and the positioning in the vertical direction of the mouth support is also realized.

9. The transverse positioning wheel is matched with the limiting part, so that the left and right positioning of the mouth support frame is realized, the positioning is reliable, and the positioning structure is simple.

10. Blowing device can cut off when sealing at the packaging film, carries out the plastic to the both sides of packaging film to guarantee that sealing of packaging film is more pleasing to the eye.

Drawings

Fig. 1 is a schematic perspective view of a cold laminator.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a partially enlarged view of B in fig. 1.

Fig. 4 is a perspective view of a film supply device.

Fig. 5 is a partially enlarged view of C in fig. 4.

Fig. 6 is a schematic top view of a film supply apparatus.

Fig. 7 is a perspective view of the film covering device.

Fig. 8 is a partial enlarged view of fig. 7 at D.

Fig. 9 is a partial enlarged view at E in fig. 7.

Fig. 10 is a perspective view of the film storing and releasing device.

In the figure: 1. the film feeding device 2, the film covering device 3, the input conveying chain 4, the moving conveying chain 5, the excess material collecting box 6, the collecting opening 7, the heat sealing frame 8, the heat sealing motor 9, the heat sealing film cutting device 10, the output conveying belt 11, the heat sealing die 12, the cutter 13, the heat sealing synchronous belt 14, the moving frame 15, the film feeding frame 16, the film rolling shaft 17, the damping belt 18, the counterweight 19, the opening support 20, the pressing shaft 21, the limiting wheel 22, the guide rod 23, the first positioning shaft 24, the second positioning shaft 25, the second longitudinal positioning wheel 26, the first longitudinal positioning wheel 27, the transverse positioning wheel 28, the limiting sleeve 29, the film feeding motor 30, the damping belt mounting shaft 31, the upper film feeding roller 32, the meter counter 33, the lower film feeding roller 34, the film covering frame 35, the translation motor 36, the translation frame 37, the lifting frame 38, The film collecting and releasing device comprises a vertical film supporting oil cylinder 39, a film collecting and releasing device 40, a lower guide rail 41, an upper guide rail 42, a guide wheel 43, a guide frame 44, a horizontal film supporting oil cylinder 45, a mounting frame 46, a swing air cylinder 47, a film collecting and releasing motor 48, a swing frame 49, a conveying synchronous belt 50, a first synchronous belt wheel 51, a first roller wheel 52, a second roller wheel 53 and a second synchronous belt wheel.

Detailed Description

Fig. 1 to 10 are preferred embodiments of the present invention, and the present invention will be further explained with reference to fig. 1 to 10.

The utility model provides a cold covering membrane machine, is including supplying membrane device 1, covering membrane device 2 and conveyor, and covering membrane device 2 sets up in the packaging film output side that supplies membrane device 1, and covering membrane device 2 is connected with and promotes its at conveyor and supply the thrust unit of reciprocating motion between membrane device 1, is provided with on the conveyor and lets the position portion with covering membrane device 2 matched with, all is provided with the heat-seal between the packaging film output side that supplies membrane device 1 and conveyor and covering membrane device 2 and cuts membrane device 9. This cold cover membrane machine supply membrane device 1 will prop the packaging film after the mouth and carry to covering membrane device 2 on and keep in, then covering membrane device 2 cooperatees with conveyor again, the covering membrane of product has been realized at the in-process of product horizontal transport, and cut membrane device 9 through the heat-seal and realized that the heat-seal of packaging film cuts off, realized the full-seal packing to the product, the portion of stepping down makes things convenient for covering membrane device and conveyor cooperation, thrust unit promotes covering membrane device 2 reciprocating motion, thereby continuous covering membrane has been realized, job stabilization.

The present invention is further described with reference to specific embodiments, however, it will be understood by those skilled in the art that the detailed description given herein with respect to the drawings is for better explanation and that the present invention is necessarily to be construed as limited to those embodiments, and equivalents or common means thereof will not be described in detail but will fall within the scope of the present application.

Specifically, the method comprises the following steps: as shown in FIGS. 1 to 3: the film supply device 1 and the conveying device are arranged side by side, the film covering device 2 is arranged on the packaging film output side of the film supply device 1, and the pushing device is connected with the film covering device 2 and pushes the film covering device to move back and forth between the yielding parts of the film supply device 1 and the conveying device.

The film supply device 1 is provided with a heat-sealing film cutting device 9 on the output side of the packaging film, which can cut and seal the packaging film when the packaging film is conveyed to the film covering device 2, and a hot air film cutting device 9 is also arranged on the yielding part side of the conveying device, which can cut and seal the packaging film after the film covering is finished.

Both sides of cutting membrane device 9 at every heat-seal all are provided with blast apparatus to can play the effect of plastic when to the packaging film heat-seal, guarantee that the appearance after the packaging film heat-seal is more pleasing to the eye. The blowing device can be a fan or an air injection pipe connected with compressed air.

Conveyor includes input conveyor and output conveyor, and input conveyor and output conveyor interval set up to set up in the both sides of covering membrane device 2, thereby form between input conveyor and the output conveyor and let the position portion, let the position for covering membrane device 2, make things convenient for covering membrane device 2 to remove to between input conveyor and the output conveyor along with thrust unit, realize the covering membrane of product. In this embodiment, the input conveyor is an input conveyor chain 3, the output conveyor is an output conveyor chain 10, and both the input conveyor and the output conveyor may be conveyor belts.

The output end of the input conveying device is provided with a movable conveying device, the movable conveying device is arranged in the middle of the input conveying device, the movable conveying device is installed on a movable frame 14, and the movable frame 14 is connected with the input conveying device in a sliding mode. The moving frame 14 is connected with a power device for pushing the moving frame to horizontally reciprocate, so that butt joint between the input conveying device and the output conveying device can be guaranteed, product conveying is guaranteed to be smoother and more stable, and cushion blocks are prevented from falling off. In this embodiment, the power device is a moving cylinder, and a piston rod of the moving cylinder is connected to the moving frame 14 and pushes the moving frame to translate. In this embodiment, the mobile conveyor is a mobile conveyor chain 4, and the mobile conveyor may also be a conveyor belt.

The upper side of the input end of the output conveying device is provided with a heat sealing frame 7, the heat sealing frame 7 is a portal frame, and a heat sealing film cutting device 9 on the upper side of the conveying device is installed on the heat sealing frame 7.

The heat-seal film cutting device 9 comprises a heat-seal motor 8, a heat-seal die 11 and a cutter 12, the cutter 12 is arranged right above the heat-seal die 11, the heat-seal die 11 and the cutter 12 are arranged in a sliding mode, the heat-seal motor 8 is connected with a heat-seal synchronous belt 13 of a vertical arrangement, the cutter 12 and the heat-seal die 11 are respectively connected with two sides of the heat-seal synchronous belt 13, therefore, the cutter 12 and the heat-seal die 11 are synchronously moved to opposite directions, the cutter 12 is matched with the heat-seal die 11, sealing of the packaging film is realized, and cutting of the packaging film is realized.

Be provided with clout collecting box 5 between input conveyor and output conveyor, clout collecting box 5 is the cuboid box, clout collecting box 5 sets up the downside at cover membrane device 2, the top of clout collecting box 5 is provided with collects mouthful 6, clout collecting box 5 still is connected with fan or vacuum pump to maintain the negative pressure state in making clout collecting box 5, the part that the packaging film sealed the back and downcut inhales clout collecting box 5 in through collecting mouthful 6, thereby the automatic collection of clout has been accomplished.

As shown in FIGS. 4-6: supply membrane device 1 including compress tightly the frame, prop a mouthful frame 19, roll up the membrane frame and be used for dragging the draw gear who draws the packaging film, prop a mouthful frame 19 and be independent of and compress tightly the frame and float the setting, compress tightly the frame setting and be propping a mouthful frame 19 outside, prop a mouthful frame 19 and be provided with the location portion that is used for the location on compressing tightly the frame, roll up the membrane frame and set up and be propping a mouthful 19 one side. Prop a mouthful frame 19 and be independent of the floating setting of compressing tightly the frame, prop a mouthful frame 19 and set up in the packaging film, the packaging film compresses tightly on propping a mouthful frame 19 through compressing tightly the frame, thereby realized the mouth that props of packaging film, cooperation draw gear is to the pulling of packaging film, continuous mouthful of propping has been realized, and can guarantee to strut the packaging film completely, the unreliable problem of mouthful mouth that props among the prior art has been solved, the stability is greatly improved, location portion can make and prop a mouthful frame 19 location on compressing tightly the frame, guarantee to prop a mouthful frame 19 stable in position, conveniently carry out next packing process.

The pressing frame is arranged on the film supply frame 15, the traction device is also arranged on the film supply frame 15, and the film rolling frame is arranged on one side of the film supply frame 15 far away from the opening frame 5.

Roll up and install the horizontally and roll up membrane axle 16 on the membrane frame, roll up 16 level settings of membrane axle, the both ends rotation of roll up membrane axle 16 is installed on rolling up the membrane frame, and roll up the both ends detachable of membrane axle 16 and roll up the membrane frame and link to each other, roll up the membrane and install on rolling up membrane axle 16 to can realize free rotation, thereby realized that the packaging film is moved the release.

And a damping device is arranged between the film supply frame 15 and the rolled film, and at least two damping devices are arranged side by side. The damping device can increase the resistance of the roll film rotation, thereby ensuring that the roll film is tightly supported by the packaging film between the roll film and the mouth opening support frame 19, and avoiding the packaging film from being folded between the roll film and the mouth opening support frame 19 to obstruct the mouth opening of the packaging film.

Damping device includes damping area 17 and counter weight 18, and damping area 17 is made by flexible material, and upper portion is provided with horizontally damping area installation axle 30 in supplying membrane frame 15, and damping area installation axle 30 level sets up, and the both ends of damping area installation axle 30 all with supply membrane frame 15 detachable to be connected. One end of the damping belt 17 is mounted on the damping belt mounting shaft 30, the other end of the damping belt 17 is connected with the counterweight 18 after passing around the wound film from the upper side of the wound film, and under the action of gravity of the counterweight 18, the damping belt 17 compresses the wound film, so that resistance force for preventing the wound film from rotating is applied to the wound film. The damping strip mounting shaft 30 can also function as a mouth support for the packaging film.

The film feeding roller 31 is installed on the upper side of the middle of the film feeding frame 15, the film feeding roller 33 is installed on the lower side of the middle of the film feeding frame 15, the film feeding roller 31 and the two ends of the film feeding roller 33 are detachably installed on the film feeding frame 15, the film feeding roller 31 and the film feeding roller 33 are matched, the film feeding effect is achieved, the packaging film is prevented from being directly sleeved on the opening supporting frame 19 to support the opening, and the packaging film is damaged.

Install meter rice ware 32 on sending membrane roller 31 last, can accurately measure the length that the packaging film propped the mouth through meter rice ware 32, convenient accurate control packaging film's length avoids causing the packaging film extravagant.

In this embodiment, prop a mouthful frame 19 and be square frame, the upside and the downside that prop a mouthful frame 19 all are provided with first location axle 23 and second location axle 24, first location axle 23 and the equal level setting of second location axle 24, and first location axle 23 and second location axle 24 parallel arrangement, the both ends of first location axle 23 and second location axle 24 all with prop a mouthful frame 19 and link to each other, and lie in and prop a mouthful frame 19 and all set up at the interval on the horizontal plane with first location axle 23 and second location axle 24 of one side.

The first positioning shaft 23 is provided with a first longitudinal positioning wheel 26, the first longitudinal positioning wheel 26 has at least two spaced wheels, in this embodiment, the first longitudinal positioning wheel 26 has two wheels symmetrically disposed at two ends of the first positioning shaft 23. The first positioning shaft 23 is further provided with two transverse positioning wheels 27, in this embodiment, the two transverse positioning wheels 27 are symmetrically arranged at two ends of the first positioning shaft 23, and the transverse positioning wheels 27 are arranged inside the first longitudinal positioning wheel 26 at the corresponding end of the first positioning shaft 23. The transverse positioning wheel 27 may also be mounted on the second positioning shaft 24.

The second positioning shaft 24 is provided with at least two second longitudinal positioning wheels 25, the number of the second longitudinal positioning wheels 25 is four, and the four second longitudinal positioning wheels 25 are symmetrically arranged at two ends of the second positioning shaft 24.

Both ends of first positioning shaft 23 all are provided with stop collar 28, and stop collar 28 sets up the inboard at the horizontal positioning wheel 27 of corresponding end to carry on spacingly to horizontal positioning wheel 27. The two ends of the second positioning shaft 24 are also symmetrically provided with a limiting sleeve 28, and the limiting sleeve 28 is arranged on the inner side of the second longitudinal positioning wheel 25 at the corresponding end, so as to limit the second longitudinal positioning wheel 25.

The pressing frame comprises pressing shafts 20, the pressing shafts 20 are provided with at least two spaced parts, in the embodiment, the pressing shafts 20 are symmetrically arranged on the upper side and the lower side of the opening supporting frame 19, and two ends of each pressing shaft 20 are rotatably arranged on the film supplying frame 15. The pressing shafts 20 are provided with limiting wheels 21, and in the present embodiment, the limiting wheels 21 are symmetrically provided at both ends of each pressing shaft 20.

The width of spacing wheel 21 is greater than the width of first vertical locating wheel 26, also is greater than the width of second vertical locating wheel 25, spacing wheel 21 sets up between the first vertical spacing wheel 26 and the second vertical spacing wheel 25 of corresponding side, and two second vertical locating wheels 25 that are located the same end of second location axle 24 compress tightly the both sides of the spacing wheel 21 of corresponding side respectively, first vertical locating wheel 26 compresses tightly the spacing wheel 21 of corresponding side to spacing in the upper and lower direction to prop mouthful frame 19, also spacing in the direction of being perpendicular to the plane that props mouthful frame 19 and place.

The transverse positioning wheel 27 is arranged on the inner side of the limiting wheel 21 on the corresponding side, and the end face of the transverse positioning wheel 27 is tightly pressed on the end face of the limiting wheel 21 on the corresponding side, so that the left and right directions of the opening support 19 are limited, and the obstruction to the opening support of the packaging film is avoided.

In this embodiment, the pressing shaft 20 is connected with the film supply motor 29 which drives the pressing shaft to rotate, so as to form a traction device, the pressing shaft 20 corresponds to the film supply motor 29 one by one, and the film supply motor 29 is installed on the film supply frame 15, so that the packaging film is pulled, and continuous opening is realized.

One side of propping a mouthful frame 19 and keeping away from the roll membrane frame is provided with guide bar 22, and guide bar 22 encircles and props a mouthful frame 19 interval equipartition and has four, and four guide bar 22 surround into with prop a square of mouthful frame 19 coincidence, and guide bar 22 one end links to each other with propping a mouthful frame 19, and other end protrusion is in supplying the setting of membrane frame 15 to can carry the packaging film after propping a mouthful to next process.

As shown in FIGS. 7 to 9: the film covering device 2 comprises at least three film supporting devices and at least three film collecting and releasing devices 39, the film collecting and releasing devices 39 surround a circular or polygonal frame, and each film collecting and releasing device 39 is connected with the film supporting device and moves towards the direction close to or far away from the middle part of the frame along with the film supporting device. The film supporting device is encircled to form a circular or polygonal frame, the film supporting device drives the film folding and unfolding device 39 to move, so that film supporting is achieved, the film folding and unfolding device 39 can achieve the function of temporarily storing unfolded packaging films, the releasing function of the packaging films can be achieved, the product can be matched with products on the conveying chain, the film covering of the products is achieved, and sealed packaging can be conducted on the products.

The film covering device further comprises a film covering frame 34 and a pushing device, the pushing device is installed at the bottom of the film covering frame 34, the film supporting device is installed on the film covering frame 34 in a sliding mode, and the pushing device is connected with the film supporting device and drives the film supporting device to move horizontally.

Thrust unit includes translation motor 35 and translation hold-in range, and the bottom both sides of cover membrane frame 34 are all rotated and are installed synchronous pulley, and the both ends of translation hold-in range mesh with the synchronous pulley that corresponds the side respectively mutually, and translation motor 35 installs on cover membrane frame 34, and the output shaft of translation motor 35 links to each other with the synchronous pulley of right-hand member to drive its rotation, and then realized the motion of translation hold-in range, the translation hold-in range level sets up. The film supporting device is connected with the translation synchronous belt and moves synchronously with the translation synchronous belt. The translation device can also be realized directly through a linear module, or through an electric cylinder, an oil cylinder or an air cylinder; the translational timing belt can also be replaced by a chain.

The film supporting device comprises a horizontal film supporting device and a vertical film supporting device, the horizontal film supporting device is slidably mounted on the film sleeving frame 34, the horizontal film supporting device is connected with the translation synchronous belt and moves synchronously with the translation synchronous belt, and the vertical film supporting device is mounted on the transverse film supporting device. In this embodiment, there are four film collecting and releasing devices 39, and four film collecting and releasing devices 39 surround a horizontally arranged square frame, wherein two film collecting and releasing devices 39 are arranged on the horizontal film supporting devices, and the other two film collecting and releasing devices 39 are arranged on the vertical film supporting devices.

The horizontal film supporting device comprises a translation frame 36 and two horizontal film supporting oil cylinders 44, the translation frame 36 is vertically arranged, a horizontal lower guide rail 40 is arranged at the bottom of the film sleeving frame 34, a horizontal upper guide rail 41 is arranged at the top of the film sleeving frame, and the lower guide rail 10 is arranged in parallel to the upper guide rail 41. The lower side of the translation frame 36 is provided with a slide block, and the slide block is slidably mounted on the lower guide rail 41, so that the bottom of the translation frame 36 is guided. The top of the translation frame 36 is provided with a guide frame 43, the guide frame 43 is provided with guide wheels 42, the guide wheels 42 have a plurality of pairs, in this embodiment, the guide wheels 42 are provided with two pairs at intervals along the translation direction of the translation frame 36, each pair comprises two guide wheels 42, and the two guide wheels 42 of each pair are symmetrically arranged on two sides of the upper guide rail 41 and press the upper guide rail 41, so that the top of the translation frame 36 is guided. The translation frame 36 positioned on the left side is connected with the translation synchronous belt and moves synchronously along with the translation synchronous belt, the horizontal film supporting oil cylinder 44 is horizontally arranged on the translation frame 36 on the left side, and a piston rod of the horizontal film supporting oil cylinder 44 is connected with the translation frame 36 on the right side, so that the two translation frames 36 are synchronously translated along with the translation synchronous belt, the two translation frames 36 move in opposite directions synchronously, and the packaging films are supported in the horizontal direction. The horizontal film supporting oil cylinder 44 can be replaced by an air cylinder or an electric cylinder.

The vertical film supporting devices correspond to the horizontal film supporting devices one by one and are arranged on the corresponding horizontal film supporting devices. The vertical film supporting device comprises a lifting frame 37 and a vertical film supporting oil cylinder 38, a vertical lifting guide rail is arranged on the upper portion of the translation frame 36, the lifting frame 37 is slidably mounted on the corresponding lifting guide rail, the vertical film supporting oil cylinder 38 is vertically mounted on the corresponding translation frame 36, and a piston rod of the vertical film supporting oil cylinder 38 is connected with the corresponding lifting frame 37 and drives the lifting frame 37 to lift. The vertical film supporting oil cylinder 38 can be replaced by an electric cylinder or an air cylinder.

The bottom of each translation frame 36 is provided with a film collecting and releasing device 39, and each lifting frame 37 is also provided with a film collecting and releasing device 39, so that the temporary storage, the expansion and the release of the packaging film are realized through the four film collecting and releasing devices 39.

As shown in fig. 10: the film collecting and releasing device 39 includes a first conveying device and a second conveying device, the first conveying device and the second conveying device are arranged side by side and at an interval, and the first conveying device or the second conveying device is connected with a swinging device for driving the first conveying device or the second conveying device to swing, so that an extrusion conveying portion is formed between the first conveying device and the second conveying device. The swinging device drives the first conveying device or the second conveying device to swing, so that the end parts of the first conveying device and the second conveying device are contacted alternately, the packaging film can be conveniently fed into the space between the first conveying device and the second conveying device when the packaging film is received, and the packaging film can be completely released when the packaging film is released, automatic collection and release of the packaging film are realized, the movement of the packaging film is facilitated, products can be conveniently moved into the packaging film, and sealed packaging of the products is realized.

Receive and release membrane device 39 still includes mounting bracket 45, first conveyor and second conveyor are all installed on mounting bracket 45, first conveyor and second conveyor are just to setting up, pendulous device installs on mounting bracket 45, pendulous device links to each other with first conveyor or second conveyor, and drive its swing, thereby make first conveyor and second conveyor's tip contact in turn, and form extrusion conveying part in both ends in turn, conveniently send the packaging film into between first conveyor and the second conveyor when collecting the packaging film, can be with the whole releases of packaging film when releasing the packaging film.

In this embodiment, the first conveying device is an active conveying device, the second conveying device is a passive conveying device, and the swinging device is connected with the first conveying device and drives the first conveying device to swing.

The swinging device comprises a swinging cylinder 46 and a swinging frame 48, the section of the swinging frame 48 is triangular, the swinging frame 48 is hinged with the mounting frame 45, the end part of the swinging cylinder 46 is hinged on the mounting frame 45, and a piston rod of the swinging cylinder 46 is hinged with the top part of the swinging frame 48 and pushes the swinging frame 48 to swing. The first conveyor is mounted at the bottom of the swing frame 48 and the second conveyor is mounted on the mounting frame 45 directly below the first conveyor. The swing device may include only the swing cylinder 46; the swing cylinder 46 may also be replaced with an electric cylinder or an oil cylinder.

The first conveying device comprises a conveying synchronous belt 49 and a film collecting and releasing motor 47, a first synchronous belt pulley 50 is rotatably mounted on the right side of the bottom of the swing frame 48, a second synchronous belt pulley 53 is rotatably mounted on the left side of the bottom of the swing frame 48, and the first synchronous belt pulley 50 and the second synchronous belt pulley 53 are respectively meshed with two ends of the conveying synchronous belt 49. The middle part of the swing frame 48 is provided with a tensioning synchronous pulley, two ends of the tensioning synchronous pulley are rotatably arranged on the swing frame 48 through bearings, the tensioning synchronous pulley is meshed with the upper side of the conveying synchronous belt 49, an output shaft of the film collecting and releasing motor 47 is connected with the tensioning synchronous pulley and drives the synchronous belt to rotate, tensioning of the conveying synchronous belt 49 can be achieved, and the conveying synchronous belt 49 is reliably meshed with the first synchronous pulley 50 and the second synchronous pulley 53. The conveying timing belt 49 may be replaced with a conveying belt.

The second conveying device comprises rollers, at least two rollers are arranged side by side along the moving direction of the conveying synchronous belt 49, in the embodiment, the two rollers comprise a first roller 51 and a second roller 52, the first roller 51 and the second roller 52 are both rotatably installed on the installation frame 45, the first roller 51 and the second roller 52 are arranged at intervals along the conveying direction of the conveying synchronous belt 49, the distance between the first roller 51 and the second roller 52 is smaller than the distance between the first synchronous pulley 50 and the second synchronous pulley 53, the first roller 51 and the second roller 52 are arranged on the lower side of the conveying synchronous belt 49, and the first roller 51 and the second roller 52 are symmetrically arranged on two sides of the conveying synchronous belt 49.

The working method of the cold film coating machine comprises the following steps: preferably, the film roll is mounted on the film roll shaft 16 and then mounted on the film roll stand. The damping strip 17 is then pressed against the upper side of the roll film. The end part of the coiled film is manually opened, the opening frame 19 is positioned in the opening packaging film, and the pressing frame and the opening frame 19 are matched to press the packaging film. And starting the film supply motor 29 to realize continuous opening of the packaging film, measuring the length of the packaging film, and conveying the opened packaging film to the next process through the guide rod 22.

The translation motor 35 drives the two translation frames 36 to move synchronously, the translation frames are aligned with the film supply equipment, then the horizontal film supporting oil cylinders 44 and the vertical film supporting oil cylinders 38 act to enable the film collecting and releasing devices 39 to move and reduce the distance between the adjacent film collecting and releasing devices 39, then the horizontal film collecting and releasing devices are in butt joint with the film supply equipment, the opening-supported packaging films are temporarily stored on the film collecting and releasing devices 39, and when the packaging films are transferred to the film collecting and releasing devices 39, the packaging films are guaranteed to be conveyed stably through the guiding of the guide rods 22.

When collecting the packaging film who props after the mouth, swing cylinder 46 drives the swing span 48 swing, makes second gyro wheel 52 and conveying hold-in range 49 interval set up, waits to prop the packaging film after the mouth and enters into conveying hold-in range 49 and second gyro wheel 52 between the back, and swing cylinder 46 drives the swing span 48 swing, makes second gyro wheel 52 and conveying hold-in range 49 cooperate and compress tightly the packaging film. The film receiving and releasing motor 47 works and receives and releases the packaging film.

When the length of the packaging film collected by the film collecting and releasing device 39 reaches the designated length and sealing is completed, the horizontal film supporting oil cylinder 44 and the vertical film supporting oil cylinder 38 act to move the film collecting and releasing device 39 and increase the distance between the adjacent film collecting and releasing devices 39, so that the packaging film is spread and is separated from the film supply equipment.

The translation motor 35 works and drives the translation frame 36 to move between the input conveying device and the output conveying device, and products on the input conveying device are aligned with the middle of a frame surrounded by the four film collecting and releasing devices 39. The power device drives the mobile conveying device to move, so that the output end of the mobile conveying device extends into the packaging film and is in butt joint with the output end of the output conveying device.

The input conveying device, the moving conveying device and the output conveying device are matched to convey products, meanwhile, the swing air cylinder 46 drives the swing frame 49 to swing, the second idler wheel 52 is matched with the conveying synchronous belt 49 to compress the packaging film, then the film receiving and releasing motor 47 rotates reversely, the packaging film is released, and the packaging film is sleeved outside the products. After the packaging film is completely sleeved outside the product, the heat-sealing film cutting device 9 outside the conveying device seals and cuts off the packaging film, and the cut excess materials are sucked into the excess material collecting box 5 to complete the full-sealing packaging of the product.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims (10)

1. The utility model provides a cold coating machine which characterized in that: including supplying membrane device (1), covering membrane device (2) and conveyor, covering membrane device (2) set up in the packaging film output side that supplies membrane device (1), covering membrane device (2) are connected with and promote its at conveyor and supply the thrust unit of reciprocating motion between membrane device (1), last being provided with of conveyor with covering membrane device (2) matched with let the position portion, all be provided with heat-seal between the packaging film output side and conveyor and covering membrane device (2) that supply membrane device (1) and cut membrane device (9).

2. The cold film sleeving machine of claim 1, wherein: the conveying device comprises an input conveying device and an output conveying device, and the input conveying device and the output conveying device are arranged on two sides of the film covering device (2) to form the yielding part.

3. The cold film sleeving machine of claim 2, wherein: the output end of the input conveying device is provided with a movable conveying device, the movable conveying device is connected with the input conveying device in a sliding mode, and the movable conveying device is connected with a power device for pushing the movable conveying device to move back and forth between the input conveying device and the output conveying device.

4. The cold film sleeving machine of claim 1 or 2, wherein: the film covering device (2) comprises film supporting devices and film collecting and releasing devices (39), at least three film collecting and releasing devices (39) are arranged, the film collecting and releasing devices (39) surround a circular or polygonal frame, each film collecting and releasing device (39) is connected with the film supporting device and moves towards the direction close to or far away from the middle of the frame along with the film supporting device, and the pushing device is connected with the film supporting device.

5. The cold film sleeving machine of claim 4, wherein: the film supporting device comprises a horizontal film supporting device and a vertical film supporting device, the vertical film supporting device is installed on the horizontal film supporting device, at least two film folding and unfolding devices (39) are installed on the horizontal film supporting device, and the rest film folding and unfolding devices (39) are installed on the vertical film supporting device.

6. The cold film sleeving machine of claim 4, wherein: the film collecting and releasing device (39) comprises a first conveying device and a second conveying device, the first conveying device and the second conveying device are arranged side by side at intervals, and the first conveying device or the second conveying device is connected with a swinging device for driving the first conveying device or the second conveying device to swing, so that an extrusion conveying part is formed between the first conveying device and the second conveying device.

7. The cold film sleeving machine of claim 1, wherein: supply membrane device (1) including compressing tightly the frame, prop a mouthful frame (19), roll up the membrane frame and be used for dragging the draw gear who draws the packaging film, prop a mouthful frame (19) and be independent of and compress tightly the frame and float the setting, compress tightly the frame and set up and prop a mouthful frame (19) outside, prop a mouthful frame (19) and be provided with the location portion that is used for fixing a position on compressing tightly the frame, roll up the setting of membrane frame and be propping a mouthful frame (19) one side.

8. The cold film sleeving machine of claim 7, wherein: prop the relative both sides of mouthful frame (19) and all be provided with first location axle (23) and second location axle (24) side by side, first location axle (23) and second location axle (24) parallel arrangement compress tightly the frame and set up between first location axle (23) and second location axle (24) to compress tightly first location axle (23) and second location axle (24) simultaneously.

9. The cold film sleeving machine of claim 8, wherein: the first positioning shaft (23) or the second positioning shaft (24) is provided with a transverse positioning wheel (27), the pressing frame is provided with a limiting part, and the transverse positioning wheel (27) is matched with the limiting part to position the opening support (19).

10. The cold film sleeving machine of claim 1, wherein: and blowing devices are arranged on two sides of each heat-sealing film cutting device (9).

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