CN112407413A

CN112407413A - Film coating machine

Info

Publication number: CN112407413A
Application number: CN202011238823.XA
Authority: CN
Inventors: 钟少波
Original assignee: Guangzhou Kangzhuang Cosmetic Co ltd
Current assignee: Guangzhou Kangzhuang Cosmetic Co ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-02-26

Abstract

The invention discloses a film wrapping machine, which comprises a machine table, a side surface film sealing mechanism and an end surface film sealing mechanism, wherein a containing groove and a first concave cavity communicated with the containing groove are concavely arranged on the machine table, the side surface film sealing mechanism comprises a rotary material disc which is partially rotatably arranged in the containing groove and a first heat sealing assembly which is fixed on the machine table and used for sealing the side edge of a packaging box wrapped with a film on the rotary material disc, the end surface film sealing mechanism comprises a first material pushing module, two first guide rails and two second heat sealing assemblies which are respectively used for sealing the two end surfaces of the packaging box wrapped with the film, the two first guide rails and the two second heat sealing assemblies are arranged on the machine table and respectively positioned at the two sides of the first concave cavity, one end of each first guide rail is connected with the corresponding second heat sealing assembly, the other end of each first guide rail is close to the corresponding rotary material disc, a film folding part is, The other end is positioned in the first concave cavity. The film coating machine can package the packaging box wrapped with the film, so that hands are prevented from being scalded.

Description

Film coating machine

Technical Field

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

Background

In order to avoid the product from being dirty or damaged before sale, a layer of transparent film is generally coated on the outer surface of the packaging box, then the film is attached to the packaging box and is heated and packaged, and the packaging comprises the step of respectively sealing the side edge, the upper end face and the lower end face of the packaging box wrapped with the film so as to ensure the tidiness and the attractiveness of the film.

However, when the existing packaging box wrapped with the film is packaged, the packaging box is held by hand, the side edges and two end faces of the packaging box are sealed manually, and hands are easy to scald when the sealed edges are heated.

Disclosure of Invention

The invention aims to provide a film wrapping machine, which solves the problems that the existing packaging box wrapped with a film is held by hand when packaged, the side edge and two end faces of the packaging box are sealed manually, and the hands are easily scalded when the sealed edges are heated.

The invention is realized by adopting the following technical scheme:

the invention provides a film wrapping machine, which comprises a machine table, and a side surface film sealing mechanism and an end surface film sealing mechanism which are fixed on the machine table, wherein a containing groove and a first concave cavity communicated with the containing groove are concavely arranged on the machine table, the side surface film sealing mechanism comprises a rotary tray which is partially rotatably arranged in the containing groove and is used for fixing a plurality of packing boxes wrapped with films, and a first heat sealing component which is fixed on the machine table and is used for sealing the side edge of the packing box wrapped with the films on the rotary tray, the end surface film sealing mechanism comprises a first material pushing module, two first guide rails and two second heat sealing components which are respectively used for sealing the two end surfaces of the packing box wrapped with the films, the two first guide rails and the two second heat sealing components are arranged on the machine table and are respectively positioned on the two sides of the first concave cavity, first guided way one end with the second heat-seal subassembly is connected, the other end is close to rotatory charging tray, the middle part of first guided way is equipped with and is used for carrying out the folding membrane portion of rolling over to the film on the terminal surface of packing carton, first one end that pushes away the material module is located in the holding tank, the other end is located in the first cavity in order to incite somebody to action the parcel has the packing carton warp of film on the rotatory charging tray first guided way propelling movement to two between the second heat-seal subassembly.

Further, the side film sealing mechanism comprises a first driving mechanism arranged on the machine table, the rotary tray comprises a first frame body, a second frame body and a rotary shaft which is rotatably arranged on the machine table and is connected with the output end of the first driving mechanism, the first frame body and the second frame body are respectively fixed at two ends of the rotating shaft, the first frame body is concavely provided with a plurality of first groove bodies arranged at intervals along the circumferential direction, the second frame body is concavely provided with a plurality of second groove bodies arranged at intervals along the circumferential direction, and each first groove body is respectively spaced from and corresponds to each second groove body one by one, one first groove body and one second groove body jointly enclose to form a clamping groove for clamping a packaging box wrapped with a film, first material pushing module one end is located first support body with between the second support body in order to be used for with the parcel in the draw-in groove has the packing carton propelling movement of film to two between the second heat-seal subassembly.

Furthermore, the first material pushing module comprises a second driving mechanism fixed on the machine table, a first chain transmission assembly which is connected with the output end of the second driving mechanism and is rotatably installed on the machine table, and a plurality of first push plates which are installed on the first chain transmission assembly and used for pushing the packaging boxes wrapped with the films on the rotating material disc to a position between the two second heat-sealing assemblies; and/or the presence of a gas in the atmosphere,

the first heat-sealing assembly comprises a third driving mechanism fixed on the machine table and a first electric heating pressing piece connected with the output end of the third driving mechanism and used for performing thermoplastic molding on the side surface of the packaging box wrapped with the film, and the first electric heating pressing piece is arranged above the rotary tray; and/or the presence of a gas in the atmosphere,

the second heat-sealing assembly comprises a fourth driving mechanism fixed on the machine table and a second electric heating pressing piece connected with the output end of the fourth driving mechanism and used for performing thermoplastic molding on the end face of the packaging box wrapped with the film, and the second electric heating pressing piece is connected with the first guide rail.

Furthermore, the side film sealing mechanism further comprises a fifth driving mechanism arranged on the machine table and a pressing plate connected with the output end of the fifth driving mechanism, wherein the pressing plate is positioned above the rotary material disc and positioned on one side, far away from the first guide rail, of the first heat sealing assembly.

Further, first guided way includes first deflector and second deflector, the second deflector is located first deflector with between the second heat-seal subassembly, the orientation of second deflector the top of first deflector one end extremely the distance is greater than between the machine platform the orientation of first deflector the top of second deflector one end extremely the distance between the machine platform, just the orientation of second deflector the one end of first deflector is equipped with first inclined plane, first inclined plane extremely the distance between the machine platform is followed packing carton traffic direction reduces gradually, the orientation of first deflector the one end of second deflector is equipped with the second inclined plane, first inclined plane with second inclined plane interval and parallel arrangement are in order to form film folding portion.

Further, the distance between the two second heat-seal assemblies is greater than or equal to the distance between the two first guide rails, and the distance between the two first guide rails is greater than the width of the first cavity.

Further, the coating machine further comprises a film cutting mechanism, a second material pushing module and two film avoiding grooves, wherein the second guide rails are fixed on the machine table, the machine table is further concavely provided with a second cavity communicated with the containing groove and a film avoiding groove used for avoiding the film and communicated with the middle of the second cavity, the film cutting mechanism comprises a first fixing plate fixed on the machine table, a fifth driving mechanism fixed on the first fixing plate, a second fixing plate spaced from the first fixing plate, and a cutter holder fixedly arranged between the first fixing plate and the second fixing plate, the cutter is connected with the output end of the fifth driving mechanism and can act on the cutter holder, the two second guide rails are respectively positioned on two sides of the second cavity, and one end of the second material pushing module is positioned in the second cavity, The other end is positioned in the accommodating groove and used for pushing the packaging boxes wrapped with the films between the two second guide rails to the rotary tray.

Further, the second guide rail comprises a third guide plate and a fourth guide plate, the fourth guide plate is positioned between the third guide plate and the rotary material tray, and the third guide plate and the fourth guide plate are respectively positioned at two outer sides of the film avoiding groove; and/or the presence of a gas in the atmosphere,

the second pushes away the material module including being fixed in sixth actuating mechanism on the board, two all with sixth actuating mechanism's output is connected and all rotates install in second chain drive assembly on the board, the horizontal pole that a plurality of intervals set up and a plurality of install on the horizontal pole in order to be used for with two parcel between the second guided way has the packing carton propelling movement of film to second push pedal on the rotatory charging tray, the both ends of horizontal pole respectively with two the second chain drive assembly is connected.

Further, the coating machine is still including putting membrane mechanism, it includes seventh actuating mechanism and rotates install in put membrane axle, a plurality of tensioning roller and a plurality of backing roll on the board to put membrane mechanism, seventh actuating mechanism is fixed in on the board, seventh actuating mechanism's output with put the membrane axle and connect.

Furthermore, the coating machine still includes the blowing frame that is used for depositing the packing carton, the blowing frame includes two intervals and locates respectively the mount in the two outsides of second cavity, the mount with the one end that the board is fixed mutually is equipped with the breach, two the breach sets up relatively and encloses into one and supplies the second pushes away the material module and will the packing carton is followed the discharge gate that releases in the blowing frame.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the packaging box wrapped with the film can be clamped on the rotary tray, the side edge of the packaging box wrapped with the film is sealed by the first heat-sealing assembly through the rotation of the rotary tray, the film folding part is arranged in the middle of the first guide rail, the packaging box wrapped with the film on the rotary tray can fold the film on the two end faces of the packaging box at the film folding part under the pushing of the first material pushing module, and then the two second heat-sealing assemblies can respectively carry out thermoplastic shaping on the two end faces of the packaging box to finish the sealing of the two end faces, so that the packaging box wrapped with the film is packaged, and hands are prevented from being scalded.

Drawings

Fig. 1 is a schematic structural diagram of a film coating machine according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of the film placing mechanism, the side film sealing mechanism, the end face film sealing mechanism, the temperature control box and a part of the machine station provided in the embodiment of the present invention after being combined;

fig. 3 is a schematic structural diagram of a film placing mechanism, an end face film sealing mechanism, a temperature control box, a part of machine station, and a part of side face film sealing mechanism provided in the embodiment of the present invention after combination;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is an enlarged view of a portion of FIG. 3 at B;

FIG. 6 is a schematic structural diagram of a rotating tray according to an embodiment of the present invention;

FIG. 7 is an enlarged partial schematic view at C of FIG. 6;

fig. 8 is a schematic structural view of a second frame body and a rotating shaft according to an embodiment of the present invention after being combined;

FIG. 9 is an enlarged partial schematic view of FIG. 8 at D;

fig. 10 is a schematic structural view of a flap according to an embodiment of the present invention;

fig. 11 is a schematic structural diagram of the film cutting mechanism, the second material pushing module, the second guide rail, the second abutting assembly and the material discharging frame provided in the embodiment of the present invention after being combined;

FIG. 12 is an enlarged partial schematic view at E of FIG. 11;

FIG. 13 is a diagram illustrating the steps in the primary wrapping process of the film and package provided by an embodiment of the present invention;

FIG. 14 is a top view of a film and package according to an embodiment of the present invention shown prior to insertion into a card slot;

FIG. 15 is a side view of a film wrapped package according to an embodiment of the present invention shown installed in a pocket;

FIG. 16 is a side view of a film wrapped package according to an embodiment of the present invention after being subjected to a platen press;

FIG. 17 is a side view of a film wrapped package according to an embodiment of the present invention, shown after side sealing;

FIG. 18 is a side view of a film wrapped package according to an embodiment of the present invention shown after placement on a first guide rail;

fig. 19 is a side view of the film wrapped package according to the embodiment of the present invention after being folded at the film folding portion.

In the figure:

10. a machine platform; 11. accommodating grooves; 12. a first cavity; 13. a second cavity; 14. a film avoiding groove; 20. a side surface film sealing mechanism; 21. rotating the material tray; 211. a first frame body; 2111. a first tank body; 2112. rotating the disc; 2113. a first support plate; 2114. folding a sheet; 2115. a tray body; 2116. a convex plate; 2117. a first sheet body; 2118. a second sheet body; 2119. a guide sheet body; 212. a second frame body; 2121. a second tank body; 213. a rotating shaft; 214. a card slot; 215. a socket; 216. a first fastener; 22. a first heat seal assembly; 221. a first electrically heated compression element; 23. pressing a plate; 24. a fourth heat seal assembly; 241. an auxiliary heating plate; 30. an end face film sealing mechanism; 31. a first material pushing module; 311. a first chain drive assembly; 3111. a first sprocket; 3112. a first chain; 312. a first push plate; 32. a first guide rail; 321. a film folding part; 322. a first guide plate; 3221. a second inclined plane; 323. a second guide plate; 3231. a first inclined plane; 33. a second heat seal assembly; 331. a fourth drive mechanism; 332. a second electrically heated press; 34. a first pressing component; 341. a second support plate; 342. a first adjusting transverse plate; 3421. an adjustment hole; 343. a second fastener; 344. a first pressing sheet; 35. a third heat seal assembly; 351. a third support plate; 352. a tenth drive mechanism; 353. a third electrically heated compression element; 354. a first support column; 40. a film; 50. packaging boxes; 60. a film cutting mechanism; 61. a first fixing plate; 62. a second fixing plate; 70. a second material pushing module; 71. a second chain drive assembly; 711. a second sprocket; 712. a second chain; 72. a cross bar; 73. a second push plate; 80. a second guide rail; 81. a third guide plate; 82. a fourth guide plate; 90. a film releasing mechanism; 91. a film releasing shaft; 92. a tension roller; 93. a support roller; 100. a second pressing component; 110. a second adjusting transverse plate; 120. a second pressing sheet; 130. a third fastener; 140. a second support column; 200. a material placing frame; 210. a fixed mount; 300. a temperature control box.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that, in the premise of no conflict, the embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

Referring to fig. 1 to 5 and 13 to 19, the present invention discloses a film wrapping machine, which includes a machine table 10, a side surface film sealing mechanism 20 and an end surface film sealing mechanism 30, wherein the side surface film sealing mechanism 20 and the end surface film sealing mechanism 30 are both fixed on the machine table 10, the side surface film sealing mechanism 20 is used for sealing the side surface of a packaging box 50 wrapped with a film 40, and the end surface film sealing mechanism 30 is used for sealing two end surfaces of the packaging box 50 wrapped with the film 40, which have been sealed at the side surface.

The concave holding tank 11 that is equipped with on board 10 and the first cavity 12 that communicates with holding tank 11, side film sealing mechanism 20 includes a drive mechanism, rotatory charging tray 21 and first heat-seal subassembly 22, a drive mechanism, rotatory charging tray 21 and first heat-seal subassembly 22 are all installed on board 10, a drive mechanism's output is connected with rotatory charging tray 21 and can rotate relative to board 10 with drive rotatory charging tray 21, rotatory charging tray 21 partly is located holding tank 11, another part is exposed outside holding tank 11, treat that rotatory charging tray 21 is rotatory to a certain position after, first heat-seal subassembly 22 can carry out the banding to the side of the packing carton 50 that the parcel has film 40 on the rotatory charging tray 21.

The end face film sealing mechanism 30 includes a first material pushing module 31, two first guide rails 32 and two second heat sealing assemblies 33 for sealing two end faces of the packaging box 50 wrapped with the film 40, the two first guide rails 32 and the two second heat sealing assemblies 33 are both disposed on the machine table 10 and located on two outer sides of the first cavity 12 along the length direction of the first cavity 12, one end of the first guide rail 32 is connected with the second heat sealing assemblies 33, the other end is disposed near the rotary tray 21, a film folding portion 321 for folding the film 40 on the end face of the packaging box 50 is disposed in the middle of the first guide rail 32, one end of the first material pushing module 31 is located in the accommodating groove 11, the other end of the first material pushing module 31 is located in the first cavity 12, the first material pushing module 31 can push the packaging box 50 wrapped with the film 40 on the rotary tray 21 to between the two second heat sealing assemblies 33 through the first guide rails 32, thereby achieving the purpose of sealing both end surfaces of the packing box 50 wrapped with the film 40.

Referring to fig. 6 to 10, in detail, the rotary tray 21 includes a first frame 211, a second frame 212, and a rotary shaft 213 rotatably mounted on the machine 10 and connected to an output end of the first driving mechanism, the first frame 211 and the second frame 212 are respectively fixed to two ends of the rotary shaft 213, the first frame 211 is provided with a plurality of first grooves 2111 at intervals along a circumferential direction thereof, the second frame 212 is provided with a plurality of second grooves 2121 at intervals along a circumferential direction thereof, each first groove 2111 is spaced from each second groove 2121 and corresponds to each second groove 2121 one by one, one first groove 2111 and one second groove 2121 together form a clamping groove 214 for clamping the packaging box 50 wrapped with the film 40, and one end of the first material pushing module 31 is located between the first frame 211 and the second frame 212 to push the packaging box 50 wrapped with the film 40 in the clamping groove 214 to a position between the two second heat sealing assemblies 33.

In this embodiment, the first frame body 211 and the second frame body 212 have the same structure, the first frame body 211 and the second frame body 212 each include a rotating disc 2112 fixed to the rotating shaft 213, a plurality of first supporting plates 2113, and a plurality of folding pieces 2114, the plurality of first supporting plates 2113 and the plurality of folding pieces 2114 are fixed to the rotating disc 2112 along the circumference of the rotating disc 2112, one end of the first supporting plate 2113 away from the rotating shaft 213 is exposed out of the rotating disc 2112, the plurality of folding pieces 2114 are arranged in a group of two at two outer sides of one first supporting plate 2113, and the rotating disc 2112, the two folding pieces 2114, and the first supporting plate 2113 enclose to form the first slot 2111 or the second slot 2121.

In a preferred embodiment, the rotating disc 2112 includes a disc 2115 fixed on the rotating shaft 213 and a plurality of protruding plates 2116 protruding from the outer edge of the disc 2115 along the circumferential direction of the disc 2115, wherein two of the plurality of protruding plates 2116 are respectively disposed in a set of two on the two outer sides of one first supporting plate 2113, the folding piece 2114 is mounted on the protruding plate 2116, and the one disc 2115, the two folding pieces 2114 and the one first supporting plate 2113 are enclosed to form the first slot 2111 or the second slot 2121.

Preferably, the protruding panels 2116, the first supporting panel 2113 and the tray 2115 enclose a slot 215, the slot 215 is "U" shaped, the flap 2114 comprises a first sheet 2117 and a second sheet 2118 perpendicular to the first sheet 2117, the first sheet 2117 is mounted on the side of one protruding panel 2116 remote from the other protruding panel 2116, the second sheet 2118 passes through the slot 215, the first supporting panel 2113 is mounted on the outer side of the tray 2115, so that a step is formed between the first supporting panel 2113 and the tray 2115 to prevent the pack 50 from falling out of the slot 214, in this embodiment, both the flap 2114 and the first supporting panel 2113 can be fixed to the rotating disc 2112 by a plurality of first fasteners 216.

In a preferred embodiment, the flap 2114 further includes a guide tab 2119, the guide tab 2119 being connected to the second tab 2118 and being folded to allow one end of the package 50 wrapped with the film 40 to be inserted into the slot 214.

In this embodiment, the number of the first supporting plates 2113 is sixteen, and the number of the folding pieces 2114 is thirty-two, so the side edge rotary film sealing mechanism of the film wrapping machine has eight clamping grooves 214 in total, and the rotary tray 21 needs to rotate clockwise.

The first heat-sealing assembly 22 includes a third driving mechanism fixed on the machine 10 and a first electrothermal pressing member 221 connected to an output end of the third driving mechanism, the first electrothermal pressing member 221 is used for performing thermoplastic molding on a side surface of the packaging box 50 wrapped with the film 40, and the first electrothermal pressing member 221 is disposed above the rotary tray 21.

The side film sealing mechanism 20 further includes an eighth driving mechanism installed on the machine 10 and a pressing plate 23 connected to an output end of the eighth driving mechanism, the pressing plate 23 is located above the rotating tray 21, the pressing plate 23 is located on a side of the first heat sealing assembly 22 away from the first guide rail 32, and the pressing plate 23 can extrude a side edge of the film 40 during the rotation process, so that the side edge of the film 40 is opposite to the packing box 50.

The side film sealing mechanism 20 further comprises a fourth heat sealing assembly 24, the fourth heat sealing assembly 24 comprises an auxiliary heating plate 241 and a ninth driving mechanism, the auxiliary heating plate 241 is connected with the output end of the ninth driving mechanism, the auxiliary heating plate 241 is located above the rotary tray 21, the third electric heating pressing part 353 is located between the pressing plate 23 and the auxiliary heating plate 241, and the auxiliary heating plate 241 is used for carrying out secondary edge sealing on the side edge of the packaging box 50 which is sealed by the third electric heating pressing part 353 so as to prevent the omission phenomenon.

The first material pushing module 31 includes a second driving mechanism fixed on the machine 10, a first chain transmission assembly 311 connected to an output end of the second driving mechanism and rotatably installed on the machine 10, and a plurality of first pushing plates 312 installed on the first chain transmission assembly 311, the first pushing plates 312 are used for pushing the packaging boxes 50 wrapped with the films 40 on the rotating tray 21 to between the two second heat-sealing assemblies 33, the first chain transmission assembly 311 includes a plurality of first chain wheels 3111 and first chains 3112 annularly arranged on the first chain wheels 3111, one of the first sprockets 3111 is connected to an output end of the second driving mechanism, the first push plate 312 is mounted on the first chain 3112, the first chain 3112 and the first sprocket 3111 are both located in the first cavity 12 and the receiving groove 11, the first push plate 312 partially extends out of the first cavity 12, so as to push the packaging box 50 wrapped with the film 40 on the machine station 10 to move forward when moving together with the first chain 3112.

The second heat sealing assembly 33 includes a fourth driving mechanism 331 and a second heat sealing element 332, the fourth driving mechanism 331 is fixed on the machine table 10, the second heat sealing element 332 is connected to an output end of the fourth driving mechanism 331 for performing thermoplastic molding on an end surface of the package 50 wrapped with the film 40, the second heat sealing element 332 is disposed on a side of the second guide plate 323 away from the first guide plate 322, and the second heat sealing element 332 is connected to the first guide rail 32 and is substantially aligned with the same line.

In this embodiment, the end face film sealing mechanism 30 further includes a first pressing component 34 for limiting the upward tilting of the package box 50 wrapped with the film 40 in the movement, the first pressing component 34 includes two second supporting plates 341, a plurality of first adjusting transverse plates 342, a plurality of second fasteners 343 and two first pressing pieces 344, the two second supporting plates 341 are both mounted on the machine station 10, the two first guide rails 32 are located between the two second supporting plates 341, two ends of the first adjusting transverse plate 342 are respectively connected with the two second supporting plates 341, the first adjusting transverse plate 342 is provided with a plurality of adjusting holes 3421, the adjusting holes 3421 are both long-strip-shaped, the second fasteners 343 pass through the adjusting holes 3421 on the first adjusting transverse plate 342 and are connected with the first pressing pieces 344, the first pressing pieces 344 are located on one side of the first adjusting transverse plate 342 close to the first guide rails 32 to press against the top of the package box 50 wrapped with the film 40, and the first pressing piece 344 and the first guide plate 322 are spaced from each other, so that the film 40 on the packing box 50 wrapped with the film 40 can smoothly pass between the first guide plate 322 and the first pressing piece 344.

The end face film sealing mechanism 30 further includes a third heat sealing assembly 35 for performing thermoplastic molding on the top of the packaged package 50 again, the third heat sealing assembly 35 includes a third supporting plate 351, a tenth driving mechanism 352, a third electrothermal pressing member 353 and two first supporting columns 354, two ends of the third supporting plate 351 are fixed on the machine table 10 through the two first supporting columns 354, the third supporting plate 351 is spaced from the machine table 10 and is located on one side of the second heat sealing assembly 33 away from the first guide rail 32, the third supporting plate 351 is perpendicular to the first guide rail 32, the tenth driving mechanism 352 is fixed on the third supporting plate 351, and an output end of the tenth driving mechanism 352 penetrates through the third supporting plate 351 and is connected with the third electrothermal pressing member 353 to drive the third electrothermal pressing member 353 to lift and lower, so that the third electrothermal pressing member 353 presses against the top of the package 50.

The first guide rail 32 includes a first guide plate 322 and a second guide plate 323, the second guide plate 323 is located between the first guide plate 322 and the second heat-sealing assembly 33, the first guide plate 322, the second guide plate 323 and the second heat-sealing assembly 33 are all spaced apart, and the distance from the top of the second guide plate 323 facing one end of the first guide plate 322 to the machine 10 is greater than the distance from the top of the first guide plate 322 facing one end of the second guide plate 323 to the machine 10, so as to form a height difference, so that the film 40 on the package 50 wrapped with the film 40 will touch the second guide plate 323, and then the film 40 enters the film folding portion 321. The end of the second guiding plate 323 facing the first guiding plate 322 is provided with a first inclined surface 3231, the distance between the first inclined surface 3231 and the machine table 10 gradually decreases along the moving direction of the packing box 50, the end of the first guiding plate 322 facing the second guiding plate 323 is provided with a second inclined surface 3221, the distance between the second inclined surface 3221 and the surface of the machine table 10 gradually increases along the moving direction of the packing box 50, the first inclined surface 3231 and the second inclined surface 3221 are arranged at an interval and in parallel to form a film folding portion 321, and the film 40 is bent after entering the film folding portion 321 and is to be tightly attached to the packing box 50.

The distance between the two second heat-seal assemblies 33 is greater than or equal to the distance between the two first guide rails 32, the distance between the two second heat-seal assemblies 33 is greater than the width of the first cavity 12 in the two second heat-seal assemblies 33, and the distance between the two first guide rails 32 is greater than the width of the first cavity 12 in the two first guide rails 32, so that the package 50 wrapped with the film 40 can be placed on the machine table 10 and located between the two first guide rails 32 and the two second heat-seal assemblies 33.

Referring to fig. 11 to 12, the film wrapping machine further includes a film cutting mechanism 60, a second material pushing module 70, and two second guide rails 80 fixed on the machine 10, the machine 10 further has a second cavity 13 connected to the accommodating groove 11 and a film avoiding groove 14 for avoiding the film 40 and connected to the middle of the second cavity 13, the film cutting mechanism 60 includes a first fixing plate 61, a fifth driving mechanism, a second fixing plate 62, a cutter, and a cutter holder matched with the cutter, the first fixing plate 61 is fixed on the machine 10, the fifth driving mechanism is fixed on the first fixing plate 61, the second fixing plate 62 is spaced from the first fixing plate 61, the cutter and the cutter holder are fixed between the first fixing plate 61 and the second fixing plate 62, the cutter is connected to the output end of the fifth driving mechanism and can act on the cutter holder, the two second guide rails 80 are respectively located at two outer sides of the second cavity 13 along the length direction of the second cavity 13, one end of the second pushing module 70 is located in the second cavity 13, and the other end is located in the accommodating groove 11, so as to push the packaging box 50 wrapped with the film 40 between the two second guide rails 80 to the rotating tray 21.

The second guide rail 80 includes a third guide plate 81 and a fourth guide plate 82, the fourth guide plate 82 is located between the third guide plate 81 and the rotating tray 21, and the third guide plate 81 and the fourth guide plate 82 are respectively located at two outer sides of the film avoiding groove 14, a distance between the two third guide plates 81 is greater than a width of the second cavity 13, a distance between the two fourth guide plates 82 is also greater than a width of the second cavity 13, and the packing box 50 can move on the machine table 10 between the two third guide plates 81 and the two fourth guide plates 82.

The second pushing module 70 includes a sixth driving mechanism fixed on the machine station 10, two second chain transmission assemblies 71 connected to output ends of the sixth driving mechanism and rotatably mounted on the machine station 10, a plurality of cross bars 72 arranged at intervals, and a plurality of second pushing plates 73 mounted on the cross bars 72 for pushing the packaging boxes 50 wrapped with the films 40 between the two second guide rails 80 to the rotating tray 21, two ends of the cross bars 72 are respectively connected to the two second chain transmission assemblies 71, the second chain transmission assemblies 71 and the cross bars 72 are located in the second cavities 13, and portions of the second pushing plates 73 extend out of the second cavities 13. The second chain transmission assembly 71 includes a plurality of second chain wheels 711 and second chains 712 looped over the second chain wheels 711, wherein one of the second chain wheels 711 is connected to an output end of the sixth driving mechanism, and two ends of the cross bar 72 are respectively mounted on the two second chains 712.

The coating machine still includes puts membrane mechanism 90, it includes seventh actuating mechanism to put membrane mechanism 90, put membrane axle 91, a plurality of tensioning rollers 92 and a plurality of backing roll 93 all rotate and install on board 10, seventh actuating mechanism is fixed in on board 10, seventh actuating mechanism's output with put membrane axle 91 and be connected, film 40 is all to be the tube-shape before the use and is fixed in putting on membrane axle 91, film 40 enters into behind bypassing tension roller 92 and backing roll 93 in proper order and cuts in the membrane mechanism 60, cut and also be equipped with a plurality of backing roll 93 in the membrane mechanism 60.

The film wrapping machine further comprises a second pressing component 100, the packaging box 50 wrapped with the film 40 can smoothly enter the clamping groove 214 of the rotating tray 21, the second pressing component 100 comprises a second adjusting transverse plate 110, a second pressing piece 120, a plurality of third fasteners 130 and two second supporting columns 140, the two second supporting columns 140 are mounted on the machine table 10 and located on two outer sides of the two fourth guide plates 82, the two second supporting columns 140 are arranged on one side close to the rotating tray 21, two ends of the second adjusting transverse plate 110 are respectively connected with the two second supporting columns 140, the third fasteners 130 penetrate through the second adjusting transverse plate 110 and then are connected with the second pressing piece 120, and the second pressing piece 120 is located on one side, close to the second guide rail 80, of the second adjusting transverse plate 110 and presses against the top of the packaging box 50 wrapped with the film 40.

The film wrapping machine further comprises a material placing frame 200 for storing the packaging boxes 50, the material placing frame 200 comprises two fixing frames 210 which are spaced and respectively arranged on two outer sides of the second cavity 13, the packaging boxes 50 are stacked between the two fixing frames 210, one end, fixed with the machine table 10, of each fixing frame 210 is provided with a notch, and the two notches are oppositely arranged and form a material outlet for the second material pushing module 70 to push the packaging boxes 50 out of the material placing frame 200 in a surrounding mode.

The film wrapping machine further comprises a temperature control box 300 for controlling heating temperatures, the first heat-sealing assembly 22, the second heat-sealing assembly 33, the third heat-sealing assembly 35 and the fourth heat-sealing assembly 24 are electrically connected with the temperature control box 300, the first driving mechanism, the second driving mechanism, the third driving mechanism, the fifth driving mechanism, the sixth driving mechanism, the seventh driving mechanism, the eighth driving mechanism and the ninth driving mechanism are preferably motors, and the fourth driving mechanism 331 and the tenth driving mechanism 352 are preferably cylinders.

The working principle of the film coating machine is as follows:

the cylindrical film 40 is discharged by the film discharging mechanism 90, part of the film 40 extends into the film avoiding groove 14, the packing box 50 in the film discharging frame 200 is pushed to the lower part of the film cutting mechanism 60 from the discharge hole by the second material pushing module 70, the packing box 50 is positioned between the two third guide plates 81 and close to the film avoiding groove 14 at this time, the film 40 is cut by the cutter on the film cutting mechanism 60, meanwhile, the second material pushing module 70 pushes the packing box 50 into the cut film 40, so that the film 40 is wrapped on the packing box 50, the states of the film 40 and the packing box 50 are shown in figures 13 and 14, the second material pushing module 70 pushes the packing box 50 wrapped with the film 40 into one clamping groove 214 of the rotary tray 21 through the two fourth guide plates 82, the edge of the film 40 is exposed outside at this time, the states of the film 40 and the packing box 50 are shown in figure 15, the first driving mechanism is started, the packing box 50 wrapped with the film 40 moves to the lower part of the pressing plate 23, the eighth driving mechanism drives the pressing plate 23 to move, the pressing plate 23 presses and folds one side edge of the film 40 in the moving process, so that one side edge of the film 40 is opposite to the packaging box 50, at this time, the state of the film 40 and the packaging box 50 is as shown in fig. 16, then the pressing plate 23 is released again, the packaging box 50 wrapped with the film 40 continues to move to the lower side of the first electrothermal pressing member 221, the third driving mechanism drives the first electrothermal pressing member 221 to move, the first electrothermal pressing member 221 presses the other side edge of the film 40 in the moving process, meanwhile, the packaging box 50 wrapped with the film 40 is subjected to primary edge sealing and then released, at this time, the state of the film 40 and the packaging box 50 is as shown in fig. 17, the packaging box 50 wrapped with the film 40 continues to move to the lower side of the auxiliary heating plate 241, the ninth driving mechanism drives the auxiliary heating plate 241 to move, the auxiliary heating plate 241 performs edge sealing again on the side edge of the packaging, then, the film 40 and the package box 50 are loosened, at this time, the states of the film 40 and the package box 50 are still as shown in fig. 17, when the package box 50 with the edge sealed at the side edge runs to the position above the first pushing module 31, the first pushing module 31 pushes the package box 50 out of the clamping groove 214 and transfers the package box 50 to a position between the two first guide rails 32 of the machine station 10, and at this time, the states of the film 40 and the package box 50 are as shown in fig. 18; the film folding portions 321 of the two first guide rails 32 further fold the films 40 on the two end surfaces of the package 50, the states of the films 40 and the package 50 are shown in fig. 19, the package 50 wrapped with the films 40 is moved forward between the two second heat-seal assemblies 33, the two second heat-seal assemblies 33 can respectively perform thermoplastic shaping on the two end surfaces of the package 50 wrapped with the films 40, the two end faces of the packing box 50 wrapped with the film 40 are sealed, the packing box 50 wrapped with the film 40 is further moved forward to the lower side of the third electrothermal pressing member 353, the tenth driving mechanism 352 is started, the top of the packaged package 50 is thermoplastic-molded again, the third electrothermal pressing member 353 is released, the packaged package 50 can be taken out by hand, the packaging is completed, the state of the film 40 and the package 50 is still as shown in fig. 19, and the film 40 is folded in fig. 13 to 19 and is not required to be neat as shown in the figures.

In summary, the present invention can clamp the packaging box 50 wrapped with the film 40 on the rotating tray 21, and then, by the rotation of the rotating tray 21, the first heat-sealing assembly 22 seals the side edges of the packaging box 50 wrapped with the film 40, the middle portion of the first guide rail 32 is provided with the film folding portion 321, the packaging box 50 wrapped with the film 40 on the rotating tray 21 is pushed by the first pushing module 31, the film 40 on the two end surfaces of the packaging box 50 can be folded at the film folding portion 321, and then the two second heat-sealing assemblies 33 can respectively perform thermoplastic molding on the two end surfaces thereof to complete the sealing of the two end surfaces, so as to package the packaging box 50 wrapped with the film 40, thereby avoiding the hand scalding.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims

1. A film wrapping machine is characterized by comprising a machine table, and a side film sealing mechanism and an end surface film sealing mechanism which are fixed on the machine table, wherein the machine table is concavely provided with a holding tank and a first cavity communicated with the holding tank, the side film sealing mechanism comprises a rotary tray which is partially rotatably installed in the holding tank and is used for fixing a plurality of packaging boxes wrapped with films, and a first heat sealing assembly which is fixed on the machine table and is used for sealing the side edges of the packaging boxes wrapped with the films on the rotary tray, the end surface film sealing mechanism comprises a first material pushing module, two first guide rails and two second heat sealing assemblies which are respectively used for sealing the two end surfaces of the packaging boxes wrapped with the films, and the two first guide rails and the two second heat sealing assemblies are arranged on the machine table and are respectively positioned at the two sides of the first cavity, first guided way one end with the second heat-seal subassembly is connected, the other end is close to rotatory charging tray, the middle part of first guided way is equipped with and is used for carrying out the folding membrane portion of rolling over to the film on the terminal surface of packing carton, first one end that pushes away the material module is located in the holding tank, the other end is located in the first cavity in order to incite somebody to action the parcel has the packing carton warp of film on the rotatory charging tray first guided way propelling movement to two between the second heat-seal subassembly.

2. The film wrapping machine according to claim 1, wherein the side face film sealing mechanism comprises a first driving mechanism installed on the machine table, the rotary tray comprises a first frame body, a second frame body and a rotary shaft rotatably installed on the machine table and connected with an output end of the first driving mechanism, the first frame body and the second frame body are respectively fixed at two ends of the rotary shaft, a plurality of first groove bodies arranged at intervals are concavely arranged on the first frame body along the circumferential direction of the first frame body, a plurality of second groove bodies arranged at intervals are concavely arranged on the second frame body along the circumferential direction of the second frame body, the first groove bodies are respectively spaced from and in one-to-one correspondence with the second groove bodies, one first groove body and one second groove body jointly enclose a clamping groove for clamping a packaging box wrapped with a film, and one end of a first material pushing module is located between the first frame body and the second frame body for pushing the packaging box wrapped with the film in the clamping groove To two of said second heat seal assemblies.

3. The film wrapping machine according to claim 1, wherein the first material pushing module comprises a second driving mechanism fixed on the machine table, a first chain transmission assembly connected with an output end of the second driving mechanism and rotatably installed on the machine table, and a plurality of first push plates installed on the first chain transmission assembly and used for pushing the packaging boxes wrapped with the films on the rotating material disc to a position between the two second heat-seal assemblies; and/or the presence of a gas in the atmosphere,

4. The film wrapping machine according to claim 1, wherein the side film sealing mechanism further comprises a fifth driving mechanism installed on the machine table and a pressing plate connected with an output end of the fifth driving mechanism, the pressing plate is located above the rotating tray and located on a side of the first heat-sealing assembly away from the first guide rail.

5. The film wrapping machine according to claim 1, wherein the first guide rail comprises a first guide plate and a second guide plate, the second guide plate is located between the first guide plate and the second heat-sealing assembly, the distance between the top of the second guide plate facing one end of the first guide plate and the machine table is greater than the distance between the top of the first guide plate facing one end of the second guide plate and the machine table, a first inclined plane is arranged at one end of the second guide plate facing the first guide plate, the distance between the first inclined plane and the machine table is gradually reduced along the running direction of the packaging box, a second inclined plane is arranged at one end of the first guide plate facing the second guide plate, and the first inclined plane and the second inclined plane are spaced and arranged in parallel to form the film folding portion.

6. The film wrapping machine of claim 1, wherein the distance between the two second heat seal assemblies is greater than or equal to the distance between the two first guide rails, and the distance between the two first guide rails is greater than the width of the first cavity.

7. The film wrapping machine according to claim 1, further comprising a film cutting mechanism, a second material pushing module and two second guide rails fixed on the machine table, wherein the machine table is further concavely provided with a second cavity communicated with the accommodating groove and a film avoiding groove used for avoiding the film and communicated with the middle part of the second cavity, the film cutting mechanism comprises a first fixing plate fixed on the machine table, a fifth driving mechanism fixed on the first fixing plate, a second fixing plate spaced from the first fixing plate, and a cutter holder fixedly arranged between the first fixing plate and the second fixing plate, the cutter is connected with an output end of the fifth driving mechanism and can act on the cutter holder, the two second guide rails are respectively located at two sides of the second cavity, and one end of the second material pushing module is located in the second cavity, The other end is positioned in the accommodating groove and used for pushing the packaging boxes wrapped with the films between the two second guide rails to the rotary tray.

8. The film wrapping machine according to claim 7, wherein the second guide rail comprises a third guide plate and a fourth guide plate, the fourth guide plate is located between the third guide plate and the rotating tray, and the third guide plate and the fourth guide plate are respectively located at two outer sides of the film avoiding groove; and/or the presence of a gas in the atmosphere,

9. The film coating machine of claim 7, further comprising a film releasing mechanism, wherein the film releasing mechanism comprises a seventh driving mechanism and a film releasing shaft, a plurality of tensioning rollers and a plurality of supporting rollers which are rotatably arranged on the machine table, the seventh driving mechanism is fixed on the machine table, and the output end of the seventh driving mechanism is connected with the film releasing shaft.

10. The film wrapping machine according to claim 7, further comprising a material placing frame for storing the packaging box, wherein the material placing frame comprises two fixing frames which are arranged at intervals and respectively arranged at two outer sides of the second cavity, one end of each fixing frame, which is fixed to the machine table, is provided with a notch, and the two notches are arranged oppositely and form a material outlet for the second material pushing module to push the packaging box out of the material placing frame.