CN212267988U

CN212267988U - Automatic blister packaging machine

Info

Publication number: CN212267988U
Application number: CN202022138017.7U
Authority: CN
Inventors: 蔡利康; 阮志伍
Original assignee: Zhejiang Haichen Machinery Co ltd
Current assignee: Zhejiang Haichen Machinery Co ltd
Priority date: 2020-09-26
Filing date: 2020-09-26
Publication date: 2021-01-01
Anticipated expiration: 2030-09-26

Abstract

The utility model relates to a fashioned technical field of bubble cap discloses an automatic bubble cap packaging machine, when automatic bubble cap packaging machine shut down, it slides along the guide pillar in order to drive preheating mechanism wholly to keep away from forming mechanism to preheat the first actuating mechanism drive riser of mechanism accessible, then slide from top to bottom along the linear rail through second actuating mechanism and third actuating mechanism drive upper bracket and lower carriage respectively, make the upper heating plate separate each other and open with lower hot plate, thereby avoid the bubble cap membrane between upper heating plate and the lower hot plate to damage because of continuous heating, a structure is simple, the operation is convenient, and the control of being convenient for.

Description

Automatic blister packaging machine

Technical Field

The utility model relates to a fashioned technical field of bubble cap especially relates to an automatic bubble cap packaging machine.

Background

Blister packaging machines are machines which form blisters from a transparent plastic film or sheet and then seal the product between the blister and a cover film by heat sealing, gluing, or the like. The working principle of the method is that a bubble cap film is heated and softened by a preheating mechanism, then a forming mechanism forms a bubble cap, a packaged object is filled into the bubble cap by a filling device, then a heat sealing device seals a covering film on the surface of a material with the bubble cap under proper temperature and pressure, the packaged object is sealed in the bubble cap, and then waste materials are cut off by a cutting mechanism.

The preheating mechanism and the forming mechanism of the existing blister packaging machine are butted, and the preheating mechanism stretches into the frame of the forming mechanism to realize the close-distance conveying with the forming mechanism, so that the quality of a blister is prevented from being influenced by stretching a preheated blister film, however, when the blister packaging machine needs to be stopped, at the moment, the blister film in the preheating mechanism is easily damaged due to the continuous heating by preheating, the performance of the blister film is further influenced, meanwhile, the forming mechanism, the heat sealing mechanism and the cutting mechanism are inconvenient to adjust, and the positioning precision is low.

Disclosure of Invention

The utility model aims at providing an automatic blister packaging machine to solve current blister packaging machine shut down lead to always preheating the bubble cap membrane in the mechanism and the bubble cap membrane is sustained heating and damage and forming mechanism, heat-seal mechanism and cut the mechanism adjustment inconvenient, the problem that positioning accuracy is low.

In order to solve the problem, the utility model provides an automatic blister packaging machine, which comprises a frame, be provided with the wallboard in the frame, be equipped with in proper order on the wallboard and be used for the blister membrane to unreel hold material mechanism, be used for the feeding mechanism of blister membrane pay-off, be used for the preheating mechanism that the blister membrane preheats, be used for the shaping forming mechanism of blister membrane, be used for carrying the first drive mechanism of the blister after the shaping, be used for the unwinding mechanism that the heat-seal membrane unreeled, be used for the heat-seal mechanism of the blister behind the filler material, be used for carrying the second drive mechanism of the good blister of heat-seal, be used for cutting the mechanism that cuts the good blister of heat-seal, be used for carrying the transport mechanism that the good blister that will cut and be used for handling the waste material processing mechanism that cuts the waste material, be equipped with the guide pillar along blister advancing direction level on the wallboard, it, The rear end face of the vertical plate is connected with the guide block, the first driving mechanism is connected to the vertical plate and used for driving the vertical plate to slide along the guide post, a pair of vertically arranged line rails are arranged on the front end face of the vertical plate, a pair of upper sliders and a pair of lower sliders are respectively arranged in the line rails in a sliding mode, the upper heating plate is connected with the pair of upper sliders through an upper support, the lower heating plate is connected with the pair of lower sliders through a lower support, the second driving mechanism is connected to the upper support and used for driving the upper support to slide along the line rails, and the third driving mechanism is connected to the lower support and used for driving the lower support to slide along the line rails;

the forming mechanism, the heat sealing mechanism and the cutting mechanism are all provided with adjusting mechanisms for adjusting the positions of the forming mechanism, the heat sealing mechanism and the cutting mechanism in the advancing direction of the bubble cap;

every adjustment mechanism all includes and adjusts seat, screw-nut subassembly and is used for the drive the fourth actuating mechanism of screw-nut subassembly, the lead screw of screw-nut subassembly is located adjust on the seat, it fixes and locates to adjust the seat on the wallboard.

Furthermore, the two guide posts are arranged on the wall plate at intervals from top to bottom, the upper end and the lower end of the vertical plate are respectively connected to the corresponding guide blocks on the two guide posts, and the two ends of each guide post are respectively connected with the wall plate through a fixing seat.

Further, the forming mechanism, the heat sealing mechanism and the cutting mechanism are movably arranged on the wallboard along the advancing direction of the bubble cap.

Further, the forming mechanism the heat-sealing mechanism and the cutting mechanism all comprise a die carrier, sliding blocks are arranged at the upper end and the lower end of the die carrier respectively, the sliding blocks are arranged on the wall plates in a corresponding mode and are provided with guide rails, the sliding blocks are arranged on the guide rails in a sliding mode, connecting blocks are further arranged on the die carrier, and the connecting blocks are connected with nuts of the lead screw nut assemblies.

Furthermore, a fourth driving mechanism is arranged on one side of the adjusting seat, the fourth driving mechanism comprises a servo motor, a driving wheel, a driven wheel and a conveying belt for connecting the driving wheel and the driven wheel, the driving wheel is connected with the output end of the servo motor, and the driven wheel is connected with a lead screw of the lead screw nut assembly.

Further, automatic blister packaging machine still includes the compensation mechanism of rectifying, the compensation mechanism of rectifying is located second drive mechanism with cut between the mechanism, the compensation mechanism of rectifying is including the groove of rectifying that is used for rectifying the blister, rectify groove both ends respectively with second drive mechanism with it links up to cut the mechanism, it is equipped with photoelectric sensor to rectify the groove end.

Further, automatic blister packaging machine still includes cooling body, cooling body locates heat-seal machine constructs the exit, cooling body includes backup pad, stock guide, cooling plate and fifth actuating mechanism, the backup pad connect in the wallboard, the stock guide is located in the backup pad, be equipped with a plurality of guide slots on the stock guide parallelly, the both sides of stock guide are equipped with first slide rail and second slide rail respectively, the cooling plate is located the stock guide top, just the both sides of cooling plate correspond respectively to slide to be located first slide rail with in the second slide rail, fifth actuating mechanism connect in the cooling plate is used for the drive the cooling plate is followed first slide rail with the second slide rail slides in order to stretch out to in the heat-seal machine structure or retract.

The utility model provides an automatic blister packaging machine, when automatic blister packaging machine shut down, preheat the first actuating mechanism drive riser of mechanism accessible and slide along the guide pillar in order to drive and preheat the whole forming mechanism of keeping away from of mechanism, then drive upper bracket and lower carriage through second actuating mechanism and third actuating mechanism respectively and slide from top to bottom along the linear rail for go up the hot plate and separate each other with hot plate down and open, thereby avoid going up the hot plate and damaging because of continuous heating with the blister membrane between the hot plate down, a structure is simple, the operation is convenient, and the control is convenient.

Drawings

Fig. 1 is a schematic plan view of an automatic blister packaging machine according to an embodiment of the present invention.

Fig. 2 is a schematic perspective view of an automatic blister packaging machine according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of the preheating mechanism in the embodiment of the present invention.

Fig. 4 is a schematic structural diagram of another view angle of the preheating mechanism in the embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a molding mechanism in an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of another view angle of the forming mechanism in the embodiment of the present invention.

Fig. 7 is a schematic structural view of a heat sealing mechanism in an embodiment of the present invention.

Fig. 8 is a schematic structural diagram of a cutting mechanism in an embodiment of the present invention.

Fig. 9 is a schematic structural diagram of a cooling mechanism in an embodiment of the present invention.

Fig. 10 is a partially enlarged view of a portion a in fig. 1.

Fig. 11 is a partial enlarged view of fig. 2 at B.

In the figure, 1, a frame; 2. a wallboard; 3. a material bearing mechanism; 4. a feeding mechanism; 41. a docking mechanism; 5. a preheating mechanism; 6. a molding mechanism; 7. a first traction mechanism; 8. an unwinding mechanism; 9. a heat sealing mechanism; 10. a second traction mechanism; 11. a cutting mechanism; 12. a conveying mechanism; 13. a waste treatment mechanism; 14. a compensation and deviation rectification mechanism; 15. a cooling mechanism; 201. a guide post; 202. a guide block; 501. a vertical plate; 502. an upper heating plate; 503. a lower heating plate; 504. a first drive mechanism; 505. a second drive mechanism; 506. a third drive mechanism; 507. a wire track; 508. an upper slide block; 509. a lower slide block; 510. an upper bracket; 511. a lower bracket; 512. a fixed seat; 601. a mold frame; 602. a slider; 603. a guide rail; 604. an adjusting seat; 605. a screw rod; 606. a nut; 607. a fourth drive mechanism; 608. connecting blocks; 6071. a servo motor; 6072. a driving wheel; 6073. a driven wheel; 151. a support plate; 152. a material guide plate; 153. a cooling plate; 154. a fifth drive mechanism; 155. a guide groove; 156. a first slide rail; 157. a second slide rail; 1401. a deviation rectifying groove; 1402. a photoelectric sensor.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Referring to fig. 1 to 11, an automatic blister packaging machine according to an embodiment of the present invention is schematically shown, which includes a frame 1, a wall plate 2 is disposed on the frame 1, a material holding mechanism 3 for unwinding a blister film, a material feeding mechanism 4 for feeding the blister film, a preheating mechanism 5 for preheating the blister film, a forming mechanism 6 for forming the blister film, a first drawing mechanism 7 for conveying the formed blister, an unwinding mechanism 8 for unwinding the heat-seal film, a heat-sealing mechanism 9 for heat-sealing the filled blister, a second drawing mechanism 10 for conveying the heat-sealed blister, a cutting mechanism 11 for cutting the heat-sealed blister, a conveying mechanism 12 for conveying the cut blister, and a waste material processing mechanism 13 for processing the cut waste material are sequentially disposed on the wall plate 2, a roll of the blister film is unwound through the material holding mechanism 3, then the material is conveyed to a preheating mechanism 5 through a feeding mechanism 4, wherein when the current material roll is used up and a new material roll is unreeled, material receiving processing can be carried out at a butting mechanism 41, a bubble cap film is heated through the preheating mechanism 5, the heated bubble cap film is formed into a bubble cap through a forming mechanism 6 and is conveyed through a first traction mechanism 7, the first traction mechanism 7 conveys the formed bubble cap through a material area, a material adding device is generally arranged in the material area, the material adding device fills the material into the bubble cap and then conveys the material into a heat sealing mechanism 9, the heat sealing mechanism 9 thermally seals the heat sealing film on the bubble cap filled with the material to form a seal, the bubble cap after thermal sealing is conveyed to a cutting mechanism 11 through a second traction mechanism 10 to be cut so as to cut the continuous bubble cap into a size capable of commercialized circulation, and the cut bubble cap is conveyed to the next procedure for arrangement and packaging through a conveying mechanism 12, the waste left after cutting is processed by the waste processing mechanism 13.

Specifically, a guide post 201 is horizontally arranged on the wall board 2 along the blister advancing direction, a guide block 202 is slidably arranged on the guide post 201, the preheating mechanism 5 includes a vertical board 501, an upper heating plate 502, a lower heating plate 503, a first driving mechanism 504, a second driving mechanism 505 and a third driving mechanism 506, the first driving mechanism 504, the second driving mechanism 505 and the third driving mechanism 506 in this embodiment are all air cylinders, the rear end surface of the vertical board 501 is connected with the guide block 202, the first driving mechanism 504 is connected to the vertical board 501 and is used for driving the vertical board 501 to slide along the guide post 201, the front end surface of the vertical board 501 is provided with a pair of vertically arranged linear rails 507, a pair of upper sliders 508 and a pair of lower sliders 509 are respectively slidably arranged in the linear rails 507, the upper heating plate 502 is connected with the pair of upper sliders 508 through an upper bracket 510, the lower heating plate 503 is connected with the pair of lower sliders 509 through a lower bracket 511, the second driving mechanism 505 is connected to the, the third driving mechanism 506 is connected to the lower bracket 511 and is used for driving the lower bracket 511 to slide along the linear rail 507, so that when the automatic blister packaging machine is stopped, the preheating mechanism 5 can drive the vertical plate 501 to slide along the guide post 201 through the first driving mechanism 504 to drive the whole preheating mechanism 5 to be away from the forming mechanism 6, and then the upper bracket 510 and the lower bracket 511 are respectively driven to slide up and down along the linear rail 507 through the second driving mechanism 505 and the third driving mechanism 506, so that the upper heating plate 502 and the lower heating plate 503 are separated from each other to be opened, thereby preventing the blister film between the upper heating plate 502 and the lower heating plate 503 from being damaged due to continuous heating;

as an example, the forming mechanism 6, the heat-sealing mechanism 9, and the cutting mechanism 11 are each provided with an adjusting mechanism for adjusting the positions of the forming mechanism 6, the heat-sealing mechanism 9, and the cutting mechanism 11 in the blister traveling direction;

each adjusting mechanism comprises an adjusting seat 604, a screw nut assembly and a fourth driving mechanism 607 for driving the screw nut assembly, a screw 605 of the screw nut assembly is arranged on the adjusting seat 604, and the adjusting seat 604 is fixedly arranged on the wall plate 2.

Through the arrangement, the distance positions between the forming mechanism 6, the heat sealing mechanism 9 and the cutting mechanism 11 can be conveniently adjusted to adapt to different bubble cap sizes, the positioning precision is high, and the adjustment is convenient.

Further, the guide pillars 201 are arranged on the wall plate 2 at intervals from top to bottom, the upper end and the lower end of the vertical plate 501 are connected to the corresponding guide blocks 202 on the two guide pillars 201, and the two ends of each guide pillar 201 are connected with the wall plate 2 through the fixing seats 512, so that the guide pillars 201 and the wall plate 2 are connected and fixed, and the stability is good.

Preferably, forming mechanism 6, heat-seal mechanism 9 and cut mechanism 11 and all install on the wallboard movably along blister advancing direction, forming mechanism 6, heat-seal mechanism 9 and cut mechanism 11 and all be connected with adjustment mechanism, can adjust forming mechanism 6, heat-seal mechanism 9 and cut mechanism 11 and carry out the position of direction along the blister separately on wallboard 2 through adjustment mechanism to match the different blister packaging demands of adaptation, increase adaptability, in this embodiment, forming mechanism 6, heat-seal mechanism 9 and the adjustment mechanism who cuts mechanism 11's structure and principle are all the same. Specifically, the forming mechanism 6, the heat sealing mechanism 9 and the cutting mechanism 11 each include a mold frame 601, the upper and lower ends of the mold frame 601 are respectively provided with a sliding block 602, the wall plate 2 is provided with a guide rail 603 corresponding to the sliding block 602, the sliding block 602 is slidably disposed in the guide rail 603, the adjusting mechanism comprises an adjusting seat 604, a screw-nut assembly and a fourth driving mechanism 607 for driving the screw-nut assembly, a screw 605 of the screw-nut assembly is arranged on the adjusting seat 604, a connecting block 608 is arranged on the mould frame 601, the connecting block 608 is connected with a nut 606 of the screw-nut assembly, when the forming mechanism 6, the heat sealing mechanism 9 or the cutting mechanism 11 needs to be adjusted, the screw rod 605 is directly driven to rotate by the fourth driving mechanism 607, the nut 606 is driven to move along the screw rod 605, thereby driving the corresponding mold frame 601 of the forming mechanism 6, the heat-sealing mechanism 9 or the cutting mechanism 11 to slide along the guide rail 603 to change the position on the wall board 2.

Furthermore, a fourth driving mechanism 607 is arranged at one side of the adjusting seat 604, the fourth driving mechanism 607 comprises a servo motor 6071, a driving wheel 6072, a driven wheel 6073 and a conveyor belt connecting the driving wheel 6072 and the driven wheel 6073, the driving wheel 6072 is connected with the output end of the servo motor 6071, the driven wheel 6073 is connected with the screw rod 605 of the screw rod 605 nut component, the servo motor 6071 drives the driving wheel 6072 to rotate to drive the driven wheel 6073 to rotate so as to drive the screw rod 605 to rotate, so as to drive the mould frame 601 connected with the nut of the screw rod 605 nut component to move, wherein the axis of the screw rod 605 is parallel to the guide rail 603, the servo motor 6071 is used as a driving power source, can be conveniently connected with an electric control system (not shown) of the automatic blister packaging machine, and can rapidly and accurately adjust and position the forming mechanism 6, the heat sealing mechanism 9 and the cutting mechanism 11 in, the device has the advantages of convenient adjustment and setting and accurate positioning.

In the embodiment, the automatic blister packaging machine further comprises a compensation and deviation-rectifying mechanism 14, the compensation and deviation-rectifying mechanism 14 is arranged between the second traction mechanism 10 and the cutting mechanism 11, the compensation and deviation-rectifying mechanism 14 comprises a deviation-rectifying groove 1401 for rectifying the deviation of the blister, two ends of the deviation-rectifying groove 1401 are respectively connected with the second traction mechanism 10 and the cutting mechanism 11, the tail end of the deviation-rectifying groove 1401 is provided with a photoelectric sensor 1402, the compensation and deviation-rectifying mechanism 14 is arranged to compensate and rectify the blister conveyed by the second traction mechanism 10, so as to ensure the cutting accuracy of the cutting mechanism 11 and further ensure the cutting quality of the blister, the specific blister advances along the deviation-rectifying groove 1401 to prevent the blister from deviating and shifting, the photoelectric sensor 1402 detects the advancing position of the blister, and sends a real-time position signal to the electric control system, further controls the traction speed of the second traction mechanism 10, so as to accurately, realize rectifying and feeding the compensation, guarantee the bubble cap and cut the quality.

In this embodiment, the automatic blister packaging machine further includes a cooling mechanism 15, the cooling mechanism 15 is disposed at the outlet of the heat sealing mechanism 9, the cooling mechanism 15 includes a supporting plate 151, a material guiding plate 152, a cooling plate 153 and a fifth driving mechanism 154, generally, the fifth driving mechanism 154 is an air cylinder, the supporting plate 151 is connected to the wall plate 2, the material guiding plate 152 is disposed on the supporting plate 151, the material guiding plate 152 is provided with a plurality of guiding grooves 155 in parallel, two sides of the material guiding plate 152 are respectively provided with a first sliding rail 156 and a second sliding rail 157, the cooling plate 153 is disposed above the material guiding plate 152, two sides of the cooling plate 153 are respectively slidably disposed in the first sliding rail 156 and the second sliding rail 157, the fifth driving mechanism 154 is connected to the cooling plate 153 and is configured to drive the cooling plate 153 to slide along the first sliding rail 156 and the second sliding rail 157 to extend into or retract into the heat sealing mechanism 9, when the automatic blister packaging machine normally operates, the, the bubble cap gets into next process through guide slot 155 on the stock guide 152 after heat-seal mechanism 9 heat-seals, when automatic blister packaging machine shut down, need open heat-seal mechanism 9's last mould and lower mould, at this moment, fifth actuating mechanism 154 starts and drives cooling plate 153 and slides along first slide rail 156 and second slide rail 157 in order to stretch out to between heat-seal mechanism 9's the last mould and the lower mould, stretch into heat-seal mechanism 9 through cooling plate 153 and cut off the heat transfer of going up the mould to the bubble cap of upper mould top, thereby avoid stopping the bubble cap in the heat-seal region because of the long-time continuous heating influence by the performance of packing article, the steam generator is simple in structure, the operation is convenient and the bubble cap that has the material to pack has carried out effectual protection.

It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. An automatic blister packaging machine is characterized by comprising a rack, wherein a wallboard is arranged on the rack, and a material bearing mechanism for unreeling a blister film, a feeding mechanism for feeding the blister film, a preheating mechanism for preheating the blister film, a forming mechanism for forming the blister film, a first traction mechanism for conveying formed blisters, an unreeling mechanism for unreeling a heat-sealing film, a heat-sealing mechanism for heat-sealing blisters filled with materials, a second traction mechanism for conveying the heat-sealed blisters, a cutting mechanism for cutting the heat-sealed blisters, a conveying mechanism for conveying the cut blisters and a waste treatment mechanism for treating cut waste materials are sequentially arranged on the wallboard;

a guide post is horizontally arranged on the wall board along the advancing direction of the bubble cap, a guide block is arranged on the guide post in a sliding way, the preheating mechanism comprises a vertical plate, an upper heating plate, a lower heating plate, a first driving mechanism, a second driving mechanism and a third driving mechanism, the rear end surface of the vertical plate is connected with the guide block, the first driving mechanism is connected with the vertical plate and is used for driving the vertical plate to slide along the guide post, the front end surface of the vertical plate is provided with a pair of vertically arranged linear rails, the linear rails are respectively provided with a pair of upper slide blocks and a pair of lower slide blocks in a sliding way, the upper heating plate is connected with the pair of upper sliding blocks through an upper bracket, the lower heating plate is connected with the pair of lower sliding blocks through a lower bracket, the second driving mechanism is connected to the upper bracket and is used for driving the upper bracket to slide along the linear rail, the third driving mechanism is connected to the lower bracket and is used for driving the lower bracket to slide along the linear rail;

2. The automatic blister packaging machine according to claim 1, wherein two guide posts are provided on the wall plate at intervals, the upper and lower ends of the vertical plate are respectively connected to the corresponding guide blocks on the two guide posts, and the two ends of each guide post are respectively connected to the wall plate through fixing seats.

3. The automatic blister packaging machine of claim 1 wherein said forming mechanism, said heat sealing mechanism and said cutting mechanism are movably mounted to said wall panel in a blister advance direction.

4. The automatic blister packaging machine according to claim 3, wherein the forming mechanism, the heat sealing mechanism and the cutting mechanism each comprise a mold frame, slide blocks are respectively disposed at the upper end and the lower end of the mold frame, guide rails are disposed on the wall plate corresponding to the slide blocks, the slide blocks are slidably disposed on the guide rails, a connecting block is further disposed on the mold frame, and the connecting block is connected with a nut of the screw-nut assembly corresponding to the adjusting mechanism.

5. The automatic blister packaging machine according to claim 4, wherein the fourth driving mechanism is provided at one side of the adjusting seat, the fourth driving mechanism comprises a servo motor, a driving wheel, a driven wheel and a conveyor belt connecting the driving wheel and the driven wheel, the driving wheel is connected to an output end of the servo motor, and the driven wheel is connected to the lead screw of the lead screw nut assembly.

6. The automatic blister packaging machine according to claim 5, further comprising a correction mechanism disposed between the second traction mechanism and the cutting mechanism, wherein the correction mechanism comprises a correction slot for correcting the blister, two ends of the correction slot are respectively connected to the second traction mechanism and the cutting mechanism, and a photoelectric sensor is disposed at the end of the correction slot.

7. The automatic blister packaging machine of claim 6, further comprising a cooling mechanism, the cooling mechanism is arranged at the outlet of the heat sealing mechanism and comprises a supporting plate, a material guide plate, a cooling plate and a fifth driving mechanism, the supporting plate is connected with the wall plate, the material guide plate is arranged on the supporting plate, a plurality of guide grooves are arranged on the material guide plate in parallel, a first slide rail and a second slide rail are respectively arranged at two sides of the material guide plate, the cooling plate is positioned above the material guide plate, and the two sides of the cooling plate are respectively and correspondingly arranged in the first slide rail and the second slide rail in a sliding way, the fifth driving mechanism is connected to the cooling plate and used for driving the cooling plate to slide along the first sliding rail and the second sliding rail so as to extend into the heat sealing mechanism or retract.