CN216509549U - Heat-shrinkable packaging machine - Google Patents
Heat-shrinkable packaging machine Download PDFInfo
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- CN216509549U CN216509549U CN202120816136.5U CN202120816136U CN216509549U CN 216509549 U CN216509549 U CN 216509549U CN 202120816136 U CN202120816136 U CN 202120816136U CN 216509549 U CN216509549 U CN 216509549U
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Abstract
The utility model discloses a heat shrink packaging machine, which comprises a material conveying mechanism, a forming mechanism, a slitting mechanism, a traction mechanism, a transverse cutting mechanism and an output mechanism, wherein the material conveying mechanism comprises a front conveying belt; the forming mechanism comprises a material supporting plate, a left forming plate and a right forming plate, the rear end of the material supporting plate is connected with the front conveying belt, gaps are reserved between the left forming plate and the material supporting plate and between the right forming plate and the material supporting plate, a longitudinally arranged furling groove is formed in the material supporting plate, and the furling groove is formed between the left baffle and the right baffle. The material is sent to the material supporting plate, the two side ends of the film respectively bypass the left forming plate and the right forming plate and pass through the gap and the gathering groove to enter a longitudinal cutting station, the film covers the material at the moment, the traction mechanism pulls the covered material forwards, the two side ends of the film are longitudinally sealed along with the forward movement of the film and the material, the material is sent to a transverse cutting station by the traction mechanism to be transversely sealed and cut to form the material which is singly packaged by the film, and finally the material is sent out by a rear conveying belt.
Description
Technical Field
The utility model relates to packaging equipment, in particular to a heat shrink packaging machine.
Background
The heat shrink packaging machine can be used for packaging irregular articles, such as tubs, instant noodles, and the like. The continuous film is longitudinally folded to wrap materials, the packaging can be completed only by longitudinal sealing and cutting, transverse sealing and cutting and thermal shrinkage after primary wrapping, the longitudinal sealing and cutting are to longitudinally seal the two side edges of the film and cut the waste edges, and the existing thermal shrinkage packaging machine has the following problems: 1. the material is pressed and deformed in the traction process, so that the product quality is influenced; 2. the waste edges generated by longitudinal sealing and cutting affect the material conveying; 3. the transverse cutting mechanism moves intermittently, the conveying of the conveying belt is stopped during transverse cutting, and the conveying is finished and then the conveying is finished, so that the speed is low and the efficiency is low.
Disclosure of Invention
In view of the technical problems in the background art, the technical problem to be solved by the present invention is to provide a heat shrink packaging machine which not only improves the production efficiency and the product quality.
In order to solve the technical problems, the utility model adopts the following technical scheme: this kind of heat shrink packagine machine, its characterized in that: comprises that
The material conveying mechanism comprises a front conveying belt, and the front conveying belt is longitudinally arranged;
the film rack comprises a discharging shaft;
the forming mechanism comprises a material supporting plate, a left forming plate and a right forming plate, the rear end of the material supporting plate is connected with the front conveying belt, gaps are reserved between the left forming plate and the material supporting plate, a longitudinally arranged furling groove is formed in the material supporting plate, and the furling groove is formed between the left baffle and the right baffle;
the longitudinal cutting mechanism comprises a first longitudinal sealing wheel and a second longitudinal sealing wheel, and the first longitudinal sealing wheel and the second longitudinal sealing wheel are arranged below the furling groove;
the traction mechanism comprises an upper conveying component and a lower conveying component;
the transverse cutting mechanism comprises an upper cutter component, a lower cutter component and a material supporting component;
and an output mechanism, which comprises a rear conveyer belt;
along the material conveying direction, forming mechanism, drive mechanism, crosscut mechanism and output mechanism set gradually.
The material is conveyed to the material supporting plate by the front conveying belt, the two side ends of the film respectively bypass the left forming plate and the right forming plate, penetrate through a gap between the left forming plate and the right forming plate and the material supporting plate, penetrate through the furling groove and finally enter a space between the first longitudinal sealing wheel and the second longitudinal sealing wheel, the film covers the material at the moment, the traction mechanism pulls the covered material forwards, the two side ends of the film are longitudinally sealed along with the forward movement of the film and the material, the material is conveyed to the transverse cutting station by the traction mechanism to be transversely sealed and cut, the material with the film packaged independently is formed, and the material is finally conveyed out by the rear conveying belt.
Preferably, a plurality of rollers are arranged on two sides of the front conveying belt, and the rollers are vertically arranged; the surface layer of the roller is provided with a flexible material. The roller can be used as a side baffle to prevent the materials from separating from the front conveying belt, meanwhile, the roller is in rolling contact with the materials, friction is reduced, the materials are conveyed stably, and the materials are in contact with the flexible materials and cannot be damaged.
Preferably, the upper conveying component comprises an upper conveying belt, the upper conveying belt is arranged on the upper transmission roller, and a flexible protective layer is arranged on the surface of the upper conveying belt;
the lower conveying component comprises a lower conveying belt, the lower conveying belt is arranged on the lower transmission roller, and the upper conveying belt and the lower conveying belt are in synchronous transmission.
Go up the conveyer belt surface and set up flexible protective layer, when upper and lower conveyer belt presss from both sides the material and moves forward, protective layer and material flexible contact have the buffering effect, avoid hard collision to cause the damage to the material, remain great frictional force between protective layer and the material moreover, go up the conveyer belt and press from both sides the material with lower conveyer belt and stably carry forward.
Preferably, the protective layer is divided laterally into a plurality of unit blocks, the unit blocks are uniformly arranged on the upper conveyor belt, and gaps are formed between adjacent unit blocks. The protective layer has thickness, goes up the conveyer belt and is circular-arc with last driving roller contact site, transversely cuts apart into the protective layer unit piece then avoids the protective layer to be stretched in the turn surface, and the setting in clearance then gives the space that the unit piece warp, and adjacent unit piece can not receive the influence, has so both prolonged the life of protective layer, can guarantee towed stability again.
Preferably, the traction mechanism further comprises an adjusting component for adjusting the distance between the upper conveying belt and the lower conveying belt. The distance between the upper conveying belt and the lower conveying belt is adjusted according to the height of the materials, so that the optimal traction effect is achieved.
Preferably, the adjusting component comprises a screw rod and a nut matched with the screw rod, the screw rod is vertically installed on the rack, the nut is connected with a first gear, and a guide piece is arranged on the rack; the lower transmission roller is rotatably installed on the rack, the upper transmission roller is rotatably installed on the installation seat, the installation seat is in sliding fit with the guide piece, the installation seat is rotatably provided with the driving shaft, one end of the driving shaft is a driving end, the other end of the driving shaft is a transmission end, a second gear is installed at the transmission end, and the first gear is meshed with the second gear.
Preferably, the upper knife component comprises an upper knife holder, the upper knife holder is mounted on the upper roller, and two ends of the upper roller are rotatably mounted on the rack;
the lower cutter component comprises a lower cutter seat, the lower cutter seat is arranged on the lower roller, and two ends of the lower roller are rotatably arranged on the rack;
the material supporting part comprises a left transmission chain and a right transmission chain, the left transmission chain is arranged on a left transmission wheel, the right transmission chain is arranged on a right transmission wheel, the left transmission wheel and the right transmission wheel are coaxially arranged, a plurality of supporting rods are arranged between the left transmission chain and the right transmission chain, the supporting rods form a supporting table at a sealing and cutting position, the supporting table is connected with a rear conveying belt, and the left transmission chain and the right transmission chain are provided with notches for sealing and cutting.
The transverse cutting and sealing are carried out in the conveying process, so that the speed is higher and the efficiency is high; when the crosscut, the saddle that the die-pin formed holds the material, and lower seal sword then passes breach and last seal sword interlock and cuts off the involution with the packaging film, and the material after sealing and cutting is directly carried and is sent to the back conveyer belt on, because of the material is held by the saddle, therefore is applicable to the material of different specifications, avoids the material to drop, and direct after accomplishing the crosscut is sent the material to the conveyer belt on in addition, links up intact.
Preferably, a supporting plate is arranged between the first driving wheel and the second driving wheel, and the supporting plate is arranged below the left driving chain and the right driving chain of the sealing and cutting station; the front and the rear of the occlusion part of the upper cutter component and the lower cutter component are both provided with cutter blocking plates, and the cutter blocking plates are transversely arranged on the rack. The left and right transmission chains are supported by the supporting plate, and the supporting platform of the sealing and cutting station is ensured to be in a horizontal state, so that the material placed on the supporting platform is more stable, and the transverse sealing and cutting effect is better; the knife edge of the upper sealing-cutting knife and the knife edge of the lower sealing-cutting knife are blocked by the knife blocking plate, so that workers are prevented from contacting the knife edges, and potential safety hazards are eliminated.
Preferably, the both ends of going up the drive wheel are passed through the bearing and are installed on the slide, be equipped with vertical setting spout in the frame, the slide sets up in the spout, the upper end of spout is equipped with the fixing base, fixing base threaded connection has the adjusting bolt, the vertical setting of adjusting bolt just passes the fixing base, be equipped with the spring between adjusting bolt and the slide. When the upper sealing knife and the lower sealing knife are meshed, the spring plays a role in buffering, the phenomenon that the edge of the knife is damaged due to rigid impact of the upper sealing knife and the lower sealing knife is avoided, the first gear and the second gear are completely meshed through the elastic force of the spring, the upper transmission roller and the lower transmission roller are completely synchronous, the spring can also adjust the elastic force through the adjusting bolt, the adjusting bolt moves downwards, the spring is pressed, the elastic force of the spring is increased, and otherwise, the elastic force of the spring is reduced.
Preferably, the heat-shrinkable packing machine further comprises a waste collecting device, the waste collecting device is arranged in front of the slitting device along the film conveying direction, and the waste collecting device comprises a waste collecting shaft, a guide roller and a motor for driving the waste collecting shaft to rotate. The slitter edge is collected by receiving the useless axle initiatively, avoids slitter edge heap collection, winding influence material to carry.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the traction mechanism of the present invention.
Fig. 3 is a cross-sectional view of the traction mechanism of the present invention.
Fig. 4 is a partial schematic view of the traction mechanism of the present invention.
FIG. 5 is a schematic view of the present invention traversing mechanism.
Fig. 6 is a left side view of the crosscutting mechanism of the present invention.
Fig. 7 is a cross-sectional view of the present invention taken along line a-a of fig. 6.
FIG. 8 is a schematic view of a forming mechanism of the present invention.
Detailed Description
The following describes details and operational principles of embodiments and examples of the present invention with reference to the drawings. The heat-shrinkable packaging machine comprises a material conveying mechanism 22, a film rack 23, a forming mechanism 27, a longitudinal cutting mechanism 28, a traction mechanism 24, a transverse cutting mechanism 25 and an output mechanism 26, wherein the material conveying mechanism comprises a front conveying belt which is longitudinally arranged, a plurality of rollers are arranged on two sides of the front conveying belt, the rollers are not shown in the figure, and the rollers are vertically arranged; the roller is characterized in that a flexible material is arranged on the surface layer of the roller, the flexible material can be polytetrafluoroethylene, nylon, engineering plastics and the like, the roller can be used as a side baffle to prevent materials from separating from a front conveying belt, meanwhile, the roller is in rolling contact with the materials to reduce friction, the material conveying is stable, and the materials are in contact with the flexible material and cannot be damaged; the film rack comprises a discharging shaft 29, and a winding drum core of a coiled material is arranged on the discharging shaft; the forming mechanism comprises a material supporting plate 52, a left forming plate 50 and a right forming plate 51, the rear end of the material supporting plate is connected with a front conveying belt, gaps are arranged between the left forming plate and the material supporting plate, a furling groove 53 which is longitudinally arranged is formed in the material supporting plate 52 and is arranged between a left baffle 50 and a right baffle 51, the left forming plate and the right forming plate form a material channel, materials enter the material channel from the front conveying belt, two side ends of a film respectively enter from the outer sides of the left forming plate and the right forming plate, penetrate through the gaps between the film and the material supporting plate and then enter the furling groove 53, and the film is coated outside the materials; the longitudinal cutting mechanism comprises a first longitudinal sealing wheel and a second longitudinal sealing wheel, and the first longitudinal sealing wheel and the second longitudinal sealing wheel are arranged below the furling groove; the traction mechanism comprises an upper conveying component and a lower conveying component, the upper conveying component and the lower conveying component clamp materials wrapped with films and convey the materials forwards, the upper conveying component and the lower conveying component can adopt conveying belts, in the embodiment, the upper conveying component comprises an upper conveying belt 33, the upper conveying belt is arranged on an upper driving roller 42, a flexible protective layer 32 is arranged on the surface of the upper conveying belt, and the flexible protective layer can adopt sponge; the lower conveying part comprises a lower conveying belt 41, the lower conveying belt is arranged on the lower driving roller 40, the upper conveying belt and the lower conveying belt are in synchronous transmission, the front end of the feeding plate 52 is connected with the lower conveying belt 41, when the upper conveying belt and the lower conveying belt clamp materials to move forwards, the protective layer 32 is in flexible contact with the materials, the buffer effect is achieved, the materials are prevented from being damaged due to hard collision, large friction force is reserved between the protective layer and the materials, and the materials are stably conveyed forwards by the upper conveying belt and the lower conveying belt; the transverse cutting mechanism 25 comprises an upper cutter component, a lower cutter component and a material supporting component; the output mechanism 26 comprises a rear conveyor belt; the forming mechanism 27, the traction mechanism 24, the transverse cutting mechanism 25 and the output mechanism 26 are arranged in sequence along the material conveying direction. The material is sent to the material supporting plate 52 by the front conveyor belt, the two side ends of the film respectively bypass the left forming plate 50 and the right forming plate 51 and pass through the clearance between the left forming plate and the right forming plate and the material supporting plate, enter the drawing groove 53, and finally enter the space between the first longitudinal sealing wheel and the second longitudinal sealing wheel below the drawing groove, the film coats the material on the material supporting plate, the drawing mechanism draws the coated material forwards, the first sealing and cutting wheel and the second sealing and cutting wheel rotate to longitudinally seal the two side ends of the moved film along with the forward movement of the film and the material, the film is still a continuous film at the moment, the material is sent to the transverse cutting station by the drawing mechanism to be transversely sealed and cut, the material is supported by the material supporting part, the continuous film is sealed and cut into unit packaging films by the upper knife part and the lower knife part, and finally, the material packaged by the film independently is sent out by the rear conveyor belt; the front end of the rear conveying belt can be connected with a heat shrinking mechanism, and the material packaged by the film enters the heat shrinking mechanism to be shrunk.
The traction mechanism 24 further comprises an adjusting component for adjusting the distance between the upper conveying belt and the lower conveying belt, and the adjusting component can adjust the distance between the upper conveying belt and the lower conveying belt according to the height of the material so as to achieve the optimal traction effect. The adjusting component comprises a screw rod 44 and a nut 47 matched with the screw rod, the screw rod is vertically arranged on the rack, the nut is connected with a first gear 46, and a guide piece is arranged on the rack; the lower transmission roller 40 is rotatably mounted on the rack, the upper transmission roller 42 is rotatably mounted on the mounting seat 38, the mounting seat is in sliding fit with the guide piece, namely, the mounting seat 38 moves up and down along the guide piece, the guide piece can adopt a guide rod which is vertically arranged, a guide hole matched with the guide rod is formed in the mounting seat, the guide piece can also adopt a linear guide rail, a sliding seat matched with the linear guide rail is arranged on the mounting seat, in the embodiment, the guide piece is a guide groove 34 which is vertically arranged, a sliding block 35 matched with the guide groove is arranged on the mounting seat 38, and the sliding block of the mounting seat vertically moves in the guide groove 34; and a driving shaft 36 is rotatably arranged on the mounting seat, one end of the driving shaft is a driving end, the other end of the driving shaft is a transmission end, a second gear 43 is arranged at the transmission end, and the first gear 46 is meshed with the second gear 43. The driving shaft 36 rotates to drive the first gear to rotate through the second gear, and then the nut 47 is driven to rotate, so that the nut moves on the screw rod 44, the mounting base 8 connected with the nut is lifted along the guide piece, the upper conveying belt 33 moves up and down relative to the lower conveying belt 41, and the distance between the upper conveying belt and the lower conveying belt is adjusted. In order to facilitate the operation of the worker, the driving shaft 36 is transversely arranged, referring to fig. 3, the upper conveying belt 33 is arranged on the upper transmission roller to form a ring, the driving shaft transversely penetrates through the upper conveying belt, two ends of the driving shaft are arranged on the left side and the right side of the upper conveying belt, the driving end of the driving shaft is not shielded and limited, the driving shaft is more convenient for the worker to operate, the hand wheel 37 is arranged at the driving end of the driving shaft, and the first gear and the second gear are bevel gears. The staff rotates the hand wheel and drives drive shaft 36 to rotate, realizes pulling the regulation of interval, and the operation is very simple and convenient. The protective layer 32 is transversely divided into a plurality of unit blocks which are uniformly arranged on the upper conveyor belt, and gaps 1 are formed between adjacent unit blocks. The protective layer has thickness, the upper conveyer belt 33 and upper driving roller 42 contact the position to be circular arc, if the protective layer sets up integrally, will be stretched on the surface of the protective layer of the turning, influence the life time of the protective layer, the utility model will protect the surface of the layer to be not stretched on the horizontal dividing of protective layer 32 into unit block, the upper conveyer belt 33 is in the turning, the adjacent unit block forms the included angle, the protective layer surface; the arrangement of the gap gives a space for the unit blocks to deform, so that the adjacent unit blocks are not affected, and the traction stability is ensured.
The heat-shrinkable packing machine is still including the useless device of collection, along film direction of delivery, the useless device setting of collection is in the place ahead of rip cutting device 28, the material is carried forward, the slitter edge is then collected by the useless device of collection, the useless device of collection is including receiving useless axle 48, deflector roll 49 and drive and receive useless axle pivoted motor, the both sides end of film is indulged the slitter edge that the seal of sealing wheel and second was produced after indulging to seal and is walked around the deflector roll and coil on receiving useless axle 48 through first, motor drive receives useless axle rotation, and the slitter plate is collected in the initiative, avoids slitter edge pile, twines and influence the material and carry.
The upper knife part and the lower knife part can adopt an upper sealing knife and a lower sealing knife which can be lifted up and down, and the films are sealed and cut when the upper sealing knife and the lower sealing knife are occluded; referring to fig. 5, in the embodiment, the upper knife component includes an upper knife holder 2, the upper knife holder is used for mounting an upper sealing knife, the upper knife holder is mounted on an upper roller 1, two ends of the upper roller are rotatably mounted on a frame, and one end of the upper roller 1 is mounted with a first gear 12; the lower cutter component comprises a lower cutter seat 3, the lower cutter seat is used for mounting a lower sealing cutter, the lower cutter seat is mounted on a lower roller 14, two ends of the lower roller are rotatably mounted on the rack, one end of the lower roller is provided with a second gear 13, the second gear is meshed with a first gear 12, and the upper roller 1 or the lower roller 14 is connected with a motor to realize synchronous rotation of the upper roller and the lower roller; the material supporting part comprises a left transmission chain 7, a right transmission chain 9, a left transmission wheel 10 and a right transmission wheel 11, the left transmission chain is arranged on the left transmission wheel, the right transmission chain is arranged on the right transmission wheel, the left transmission wheel and the right transmission wheel are coaxially arranged, a plurality of supporting rods 8 are arranged between the left transmission chain 7 and the right transmission chain 9, the supporting rods, the left transmission chain and the right transmission chain form a conveying belt, the supporting rods 7 form a supporting platform 4 at a sealing and cutting station, namely the section of the conveying belt at the sealing and cutting station is the supporting platform, the supporting platform supports materials, the left transmission chain and the right transmission chain are provided with notches 5 for sealing and cutting, at the sealing and cutting station, the notches move to the sealing and cutting station, and the lower sealing cutter passes through the notches 5 to be meshed with the upper sealing cutter; the conveying part comprises a conveying belt, and the conveying belt is connected with the supporting table 4. The conveying belt of the utility model continuously transmits, the upper sealing knife and the lower sealing knife rotate along with the upper roller 1 and the lower roller 14, transverse sealing and cutting operation is carried out once per revolution, during transverse cutting, longitudinally sealed materials are sent to the supporting platform 4, the gap 5 occupies part of the supporting platform, therefore, the supporting platform can still support the materials, the transverse cutting part of the packaging film corresponds to the gap 5, the lower sealing knife passes through the gap and is occluded to carry out transverse cutting and sealing cutting on the packaging film, the sealed and cut materials are coated by an independent packaging film, the conveying belt sends the materials to the conveying belt, and the conveying belt sends the materials to the next process. The utility model carries out cross cutting sealing and cutting in the conveying process without stopping the machine for sealing and cutting, thereby having higher speed and higher efficiency.
The left driving wheel 10 and the right driving wheel 11 both comprise an upper driving wheel and a lower driving wheel, the upper driving wheel comprises a first driving wheel and a second driving wheel 22 which are arranged at equal heights, a conveyor belt between the first driving wheel and the second driving wheel forms a supporting table 4, the lower driving wheel is arranged on a main shaft 15, and the main shaft is connected with a motor driving the main shaft to rotate, namely, the motor drives the left driving chain and the right driving chain to synchronously drive. And a supporting plate 6 is arranged between the first driving wheel and the second driving wheel, and the supporting plate is arranged below a left driving chain 10 and a right driving chain 11 of the sealing and cutting station. The left and right transmission chains of the sealing and cutting station are supported by the supporting plate, so that the support table is prevented from sagging, the support table of the sealing and cutting station is ensured to be in a horizontal state, the material placed on the support table is more stable, and the transverse sealing and cutting effect is better. Go up the place ahead and the rear of sword part and lower sword part interlock department and all be equipped with fender cutting board 23, fender cutting board transversely installs in the frame, and fender cutting board 23 will seal the blade point of cutting the upper slitter and seal and cut the lower sword and block, prevents that the staff from contacting the blade point, uses safelyr. The utility model discloses a vertical setting of frame, including last drive wheel 1, frame, fixing base, adjusting bolt, spring 18, fixing base, adjusting bolt, bearing installation is passed through on slide 21 at the both ends of going up drive wheel 1, be equipped with vertical setting spout 19 in the frame, the slide sets up in the spout, the upper end of spout is equipped with fixing base 17, fixing base threaded connection has adjusting bolt 16, the vertical setting of adjusting bolt just passes the fixing base, be equipped with spring 18 between adjusting bolt 16 and the slide 21. The elastic force of the spring enables the first gear 12 and the second gear 13 to be completely meshed, so that the upper roller 1 and the lower roller 14 are completely synchronous, and if a gap exists between the first gear and the second gear, the transmission of the upper roller and the lower roller has errors and can not be completely synchronous; when the upper sealing knife and the lower sealing knife are occluded, the spring plays a role in buffering, the damage of the knife edge caused by hard impact of the upper sealing knife and the lower sealing knife is avoided, in addition, the spring can also adjust the elastic force through the adjusting bolt 16, the adjusting bolt moves downwards, the distance between the adjusting bolt and the sliding seat becomes smaller, the spring is pressed greatly, the elastic force of the spring is larger, otherwise, the adjusting bolt moves upwards, the distance between the adjusting bolt and the sliding seat becomes larger, and the elastic force of the spring becomes smaller.
Claims (10)
1. A heat shrink packaging machine characterized by: comprises that
The material conveying mechanism comprises a front conveying belt, and the front conveying belt is longitudinally arranged;
the film rack comprises a discharging shaft;
the forming mechanism comprises a material supporting plate, a left forming plate and a right forming plate, the rear end of the material supporting plate is connected with the front conveying belt, gaps are reserved between the left forming plate and the material supporting plate, a longitudinally arranged furling groove is formed in the material supporting plate, and the furling groove is formed between the left baffle and the right baffle;
the longitudinal cutting mechanism comprises a first longitudinal sealing wheel and a second longitudinal sealing wheel, and the first longitudinal sealing wheel and the second longitudinal sealing wheel are arranged below the furling groove;
the traction mechanism comprises an upper conveying component and a lower conveying component;
the transverse cutting mechanism comprises an upper cutter component, a lower cutter component and a material supporting component;
and an output mechanism, which comprises a rear conveyer belt;
along the material conveying direction, forming mechanism, drive mechanism, crosscut mechanism and output mechanism set gradually.
2. The heat shrink wrapping machine of claim 1, wherein: a plurality of rollers are arranged on two sides of the front conveying belt and are vertically arranged; the surface layer of the roller is provided with a flexible material.
3. The heat shrink wrapping machine of claim 1, wherein:
the upper conveying component comprises an upper conveying belt, the upper conveying belt is arranged on the upper transmission roller, and a flexible protective layer is arranged on the surface of the upper conveying belt;
the lower conveying part comprises a lower conveying belt, the lower conveying belt is arranged on the lower transmission roller, and the upper conveying belt and the lower conveying belt are in synchronous transmission.
4. The heat shrink wrapping machine of claim 3, wherein: the protective layer is transversely divided into a plurality of unit blocks, the unit blocks are uniformly arranged on the upper conveying belt, and gaps are formed between the adjacent unit blocks.
5. The heat shrink wrapping machine of claim 3, wherein: the traction mechanism also comprises an adjusting component used for adjusting the distance between the upper conveying belt and the lower conveying belt.
6. The heat shrink wrapping machine of claim 5, wherein: the adjusting component comprises a screw rod and a nut matched with the screw rod, the screw rod is vertically installed on the rack, the nut is connected with a first gear, and a guide piece is arranged on the rack; the lower transmission roller is rotatably installed on the rack, the upper transmission roller is rotatably installed on the installation seat, the installation seat is in sliding fit with the guide piece, the installation seat is rotatably provided with the driving shaft, one end of the driving shaft is a driving end, the other end of the driving shaft is a transmission end, a second gear is installed at the transmission end, and the first gear is meshed with the second gear.
7. The heat shrink wrapping machine of claim 1, wherein:
the upper cutter component comprises an upper cutter holder, the upper cutter holder is arranged on the upper roller, and two ends of the upper roller are rotatably arranged on the rack;
the lower cutter component comprises a lower cutter seat, the lower cutter seat is arranged on the lower roller, and two ends of the lower roller are rotatably arranged on the rack;
the material supporting part comprises a left transmission chain and a right transmission chain, the left transmission chain is arranged on a left transmission wheel, the right transmission chain is arranged on a right transmission wheel, the left transmission wheel and the right transmission wheel are coaxially arranged, a plurality of supporting rods are arranged between the left transmission chain and the right transmission chain, the supporting rods form a supporting table at a sealing and cutting position, the supporting table is connected with a rear conveying belt, and the left transmission chain and the right transmission chain are provided with notches for sealing and cutting.
8. The heat shrink wrapping machine of claim 7, wherein: the left driving wheel and the right driving wheel respectively comprise an upper driving wheel and a lower driving wheel, the upper driving wheel comprises a first driving wheel and a second driving wheel which are arranged at the same height, a supporting plate is arranged between the first driving wheel and the second driving wheel, and the supporting plate is arranged below the left driving chain and the right driving chain of the sealing and cutting station; the front and the rear of the occlusion part of the upper cutter component and the lower cutter component are both provided with cutter blocking plates, and the cutter blocking plates are transversely arranged on the rack.
9. The heat shrink wrapping machine of claim 8, wherein: the improved automatic transmission device is characterized in that the two ends of the upper transmission wheel are mounted on the sliding seat through bearings, a vertical sliding groove is formed in the rack, the sliding seat is arranged in the sliding groove, a fixing seat is arranged at the upper end of the sliding groove, a regulating bolt is connected to the fixing seat through threads, the regulating bolt is vertically arranged and penetrates through the fixing seat, and a spring is arranged between the regulating bolt and the sliding seat.
10. The heat shrink wrapping machine of claim 1, wherein: the heat-shrinkable packaging machine is characterized by further comprising a waste collecting device, wherein the waste collecting device is arranged in front of the longitudinal cutting device along the film conveying direction, and the waste collecting device comprises a waste collecting shaft, a guide roller and a motor for driving the waste collecting shaft to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120816136.5U CN216509549U (en) | 2021-04-21 | 2021-04-21 | Heat-shrinkable packaging machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120816136.5U CN216509549U (en) | 2021-04-21 | 2021-04-21 | Heat-shrinkable packaging machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216509549U true CN216509549U (en) | 2022-05-13 |
Family
ID=81461147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120816136.5U Active CN216509549U (en) | 2021-04-21 | 2021-04-21 | Heat-shrinkable packaging machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216509549U (en) |
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2021
- 2021-04-21 CN CN202120816136.5U patent/CN216509549U/en active Active
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