CN209972951U

CN209972951U - Bottom sealing type plastic packaging machine with symmetrically arranged corner cutting mechanisms

Info

Publication number: CN209972951U
Application number: CN201920805539.2U
Authority: CN
Inventors: 程龙
Original assignee: Shenzhen Yongchuang Automation Equipment Co Ltd
Current assignee: Shenzhen Yongchuang Automation Equipment Co Ltd
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-01-21
Anticipated expiration: 2029-05-28

Abstract

The utility model discloses a bottom sealing type plastic packaging machine with symmetrically arranged corner cutting mechanisms, which comprises a frame, a feeding component, a film feeding and bag making component, a belt conveying mechanism and two corner cutting mechanisms; the feeding assembly, the film feeding bag making assembly and the belt conveying mechanism are sequentially arranged on the rack from front to back, corner cutting stations are arranged on the belt conveying mechanism, and the two corner cutting mechanisms are symmetrically arranged on the left side and the right side of the corner cutting stations in a left-right sliding mode and are respectively used for cutting corners and sealing the left side and the right side of a product. The utility model realizes full automation from feeding, film coating, corner cutting to discharging, has high production efficiency, symmetrical design of two corner cutting mechanisms, compact equipment structure, small occupied area, simultaneous corner cutting on the left side and the right side and high processing efficiency; in addition, the belt conveying mechanism is adopted for conveying products, the conveying action is simple, and meanwhile, the required space is small, so that the size of the equipment is further reduced.

Description

Bottom sealing type plastic packaging machine with symmetrically arranged corner cutting mechanisms

Technical Field

The utility model relates to the field of plastic packaging equipment design; in particular to a bottom-sealed plastic packaging machine with symmetrically arranged corner cutting mechanisms.

Background

The plastic packaging film is commonly used on packaging boxes of electronic products, medicines, cosmetics and the like, plays a role in preventing moisture, dust and fading, and is generally used in a bottom-sealed plastic packaging machine or a middle-sealed plastic packaging machine when the packaging boxes are subjected to plastic packaging;

in addition, the bottom-sealing type plastic packaging equipment product in the prior art is basically conveyed between the bag making station and the corner cutting station by means of a mechanical arm, the conveying mode is large in required space, and the installation and the transportation are inconvenient.

Therefore, the prior art is in need of improvement.

SUMMERY OF THE UTILITY MODEL

To the more than one problem that prior art exists, the utility model provides an end seal formula plastic packaging machine that corner cut mechanism symmetry set up, concrete scheme is as follows:

comprises a frame, a feeding component, a film feeding and bag making component, a belt conveying mechanism and two corner cutting mechanisms; the feeding assembly, the film feeding bag making assembly and the belt conveying mechanism are sequentially arranged on the rack from front to back, corner cutting stations are arranged on the belt conveying mechanism, and the two corner cutting mechanisms are symmetrically arranged on the left side and the right side of the corner cutting stations in a left-right sliding mode and are respectively used for cutting corners and sealing the left side and the right side of a product; the feeding assembly is arranged at the foremost end of the rack and is used for conveying products to the film conveying and bag making assembly; the film feeding and bag making assembly is used for providing film materials and wrapping four sides of a product to complete bag making operation; the belt conveying mechanism is used for conveying products on the bag making station to the corner cutting station and conveying the products of which the corner cutting station finishes corner cutting to the tail end of the rack.

Preferably, the belt conveying mechanism comprises two side plates arranged in parallel, two conveying belts arranged at the inner sides of the two side plates and a belt for driving the belts to transmit;

the belt conveying mechanism further comprises a corner cutting jacking cylinder which is arranged below the corner cutting station, and when a product is conveyed to the corner cutting station, the corner cutting jacking cylinder jacks to match the corner cutting mechanism to complete corner cutting operation.

Preferably, the film feeding and bag making assembly comprises a bag making large bottom plate, a film releasing and collecting mechanism, a bag making platform, a jacking assembly, a bag making cutter assembly and a box pushing assembly; the film releasing and receiving mechanism comprises a film feeding assembly and a receiving assembly, the film feeding assembly is mounted on the bag-making large bottom plate and used for drawing and conveying film materials, and the receiving assembly is mounted below the bag-making large bottom plate and used for winding waste film materials; the lower part of the film feeding component of the bag making platform is arranged on the large bag making bottom plate, and the jacking component is arranged in front of the bag making platform and is used for jacking the product conveyed by the feeding component to the height same as that of the bag making platform; the bag-making cutter assembly is used for finishing the film-cutting and bag-making work; the box pushing assembly is used for pushing the products on the jacking assembly to the bag making platform and pushing the coated products on the bag making platform backwards.

Preferably, the film feeding assembly comprises a film feeding left side plate, a film feeding right side plate, a material roll, a film feeding rubber shaft, a film feeding motor, a buffer assembly and a plurality of small rollers; the material roll, the film feeding rubber shaft and the small rollers are rotatably arranged between the film feeding left side plate and the film feeding right side plate and are parallel to each other; the film feeding rubber shaft is used for conveying film materials and is driven to rotate by the film feeding motor; the buffer memory component is arranged between the film left side plate and the film feeding right side plate below the film feeding rubber shaft and is used for buffering the film material to be conveyed; the small roller is used for drawing the film material;

the membrane placing assembly also comprises a puncture assembly, and the puncture assembly comprises a puncture fixed shaft, a puncture swing shaft and a plurality of puncture cylinders sleeved on the puncture swing shaft; the puncture fixed shaft is rotatably arranged between the film feeding left side plate and the film feeding right side plate, two connecting blocks extend out of the puncture fixed shaft to the side face, the puncture pendulum shaft is rotatably arranged between the two connecting blocks and can selectively rotate and swing around the puncture fixed shaft, and during installation, the puncture pendulum shaft and the puncture cylinder are carried on the film feeding rubber shaft by self gravity, namely, the puncture operation is completed by self gravity during working.

Preferably, the buffer component comprises a buffer fixed shaft, two force arms and a buffer pull rod arranged between the two force arms, the buffer fixed shaft is rotatably arranged between the film feeding left side plate and the film feeding right side plate, one end of the buffer fixed shaft extends out of the outer side of the film feeding left side plate, a film placing induction sheet is fixedly arranged at the end of the buffer fixed shaft, and correspondingly, three induction switches in an arc-shaped shooting column are fixedly arranged on the outer side surface of the left side plate through an induction seat;

the position corresponding relation of the three inductive switches is as follows: when the film supply state is normal, the film material swings to a certain height around the buffer pull rod, so that the film placing induction sheet is positioned at the middle induction switch; when the material roll is lack of film materials or the material receiving speed is higher than the film supplying speed, the film materials stretch to pull the buffer pull rod to swing upwards, the film placing induction sheet swings forwards to the foremost induction switch, and the induction switch sends a signal to stop the equipment; when the material receiving speed is lower than the film supplying speed, the buffer pull rod swings under the action of gravity, the film placing induction sheet swings to the induction switch at the last side, and the induction switch feeds back signals.

Preferably, the bag making cutter assembly comprises a bag making cutter liner plate arranged above the bag making cutter assembly in a lifting mode and a bag making hot cutter arranged under the bag making cutter liner plate in a lifting mode, a bag making cutter heat insulation block arranged above the bag making cutter liner plate in a lifting mode is further provided with a groove for the bag making hot cutter to penetrate through, and the bag making cutter heat insulation block is provided with a groove for the bag making hot cutter to penetrate through.

Preferably, the jacking assembly comprises a jacking bottom plate, two jacking sliding plates which can be installed on the jacking bottom plate in a left-right sliding manner and are used for supporting products, two limit sliding plate stoppers which are respectively installed on the two jacking sliding plates, and a jacking cylinder which is installed below the jacking bottom plate; the jacking assembly can adapt to products with different widths by adjusting the jacking sliding plate in a sliding manner; the limit sliding plate stop blocks are used for limiting the left side and the right side of the product; the jacking cylinder is used for jacking a product;

the jacking assembly further comprises an induction baffle arranged behind the jacking bottom plate and used for inducing and blocking the product of the jacking bottom plate.

Preferably, the bag making platform comprises a bag making platform base plate, four bag making platform pillars for supporting and installing the bag making platform base plate, two bag making and film pressing cylinders fixedly installed below the bag making platform base plate, two bag making and film pressing blocks respectively installed on push rods of the two bag making and film pressing cylinders, a bag making and film pressing base plate installed below the bag making platform base plate, and two bag making platform limiting blocks installed on the bag making platform base plate; the position of the bag making platform limiting block can be adjusted, and the bag making platform limiting block can adapt to products with different widths; the bag-making film-pressing cylinder, the bag-making film-pressing block and the bag-making film-pressing base plate are used for pressing films.

Preferably, the box pushing assembly comprises a box pushing slide rail, a box pushing motor and two box pushing rods which are arranged on the box pushing slide rail in parallel front and back; the box pushing motor is used for driving the box pushing rod to move along the box pushing sliding rail, so that the products on the bag making platform are pushed to the box packing fixing frame, and meanwhile, the products on the jacking assembly are pushed to the bag making platform.

Preferably, the corner cutting mechanism comprises a corner cutting base plate, corner cutting lining plate components, lateral hot cutter mechanisms respectively arranged at the left side and the right side of the base plate, and a bottom hot cutter mechanism arranged between the two lateral hot cutter components; the corner cutting lining plate assembly is used for performing film arranging operation before corner cutting, and matching the two lateral hot cutter mechanisms and the bottom hot cutter mechanism to complete corner cutting and sealing operation after film arranging;

the corner cutting lining plate assembly comprises a lining plate mounting frame, a bottom lining sliding plate, a bottom lining arranged below the bottom lining sliding plate, a corner lining film tidying guide rail mounting part and two corner linings capable of sliding left and right and arranged below the corner lining film tidying guide rail mounting part; the bottom lining sliding plates and the corner lining film tidying guide rail installation parts are vertically arranged and can be vertically and slidably installed on the front side of the lining plate installation frame, a tension device is arranged between the two corner lining sliding plates above the bottom hot cutter mechanism, and the bottom lining can push the two corner linings open to move towards two sides when moving downwards.

Preferably, the corner linings are narrow at the top and wide at the bottom, one side edge of each corner lining is vertical, the bottom edge of each corner lining is horizontal, the other side edge of each corner lining is in a three-section broken line shape, the two corner linings are symmetrically arranged, and when the corner linings are closed together under the action of the tension device, a V-shaped opening is formed in the middle of each corner lining;

the bottom lining is positioned above the middle of the two corner linings and is a symmetrical plate with a wide upper part and a narrow lower part, and two sides of the middle part form bevel edges;

the tension device is a tension spring.

Preferably, the corner cutting mechanism further comprises a waste tearing mechanism which comprises a waste tearing mounting frame, a waste tearing bottom plate, a waste tearing sliding plate and a waste clamp arranged on the waste tearing sliding plate; the waste tearing bottom plate is arranged on the waste tearing mounting frame, the waste tearing sliding plate is arranged on the waste tearing bottom plate in a front-back sliding mode, and the front-back sliding is realized through a waste tearing telescopic cylinder; the waste material presss from both sides and is used for getting the waste material.

Preferably, the bottom-sealed plastic packaging machine with the angle cutting mechanisms symmetrically arranged further comprises a protective cover.

Adopt the technical scheme of the utility model, following beneficial effect has:

1. the full automation from feeding, film coating, corner cutting to discharging is realized, the production efficiency is high, the two corner cutting mechanisms are symmetrically designed, the equipment structure is compact, the occupied area is small, the corner cutting on the left side and the right side is simultaneously carried out, and the processing efficiency is high; in addition, the belt conveying mechanism is adopted for conveying the products, the conveying action is simple, and meanwhile, the required space is small, so that the volume of the equipment is further reduced;

2. in the preferred scheme, the corner cutting mechanism, the jacking assembly and the bag making platform mechanism can be adapted to products with different sizes through fine adjustment, so that the bottom sealing type plastic packaging machine with the symmetrically arranged corner cutting mechanisms has high universality;

3. in the preferred scheme, corner cut mechanism still tears waste material mechanism including one, can be to the position action of waste material, can be effectively to the waste material that the position is unsettled, tear the waste material operation like the film form waste material, the compatibility is strong, tears effectual, the degree of automation height of waste material.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic perspective view of another angle of the present invention;

FIG. 3 is a schematic perspective view of the belt conveying mechanism;

FIG. 4 is a schematic perspective view of a film feeding and bag making assembly;

FIG. 5 is a schematic perspective view of another angle of the film feeding and bag making assembly;

FIG. 6 is a schematic perspective view of a film releasing and collecting mechanism;

FIG. 7 is a schematic perspective view of a film feeding assembly;

FIG. 8 is a perspective view of the puncture assembly;

FIG. 9 is a schematic perspective view of a buffer assembly;

FIG. 10 is a perspective view of the jacking assembly;

FIG. 11 is a schematic perspective view of a bag making platform;

FIG. 12 is a schematic perspective view of another angle of the bag-making platform;

FIG. 13 is a perspective view of the bag-making cutter assembly;

FIG. 14 is a perspective view of the pusher block assembly;

FIG. 15 is a perspective view of the corner cutting mechanism;

FIG. 16 is a perspective view of the corner cut liner assembly;

FIG. 17 is a perspective view of the waste tearing mechanism;

FIG. 18 is a schematic perspective view of an alternate angle of the scrap tear mechanism;

figure 19 is a rear view of the tear away waste mechanism.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 2, the utility model provides a bottom-sealed plastic packaging machine with symmetrically arranged corner cutting mechanisms, which comprises a frame 1, a feeding component 2, a film feeding and bag making component 3, a belt conveying mechanism 4 and two corner cutting mechanisms 5; the feeding assembly 2, the film feeding and bag making assembly 3 and the belt conveying mechanism 4 are sequentially arranged on the frame 1 from front to back, a corner cutting station is arranged on the belt conveying mechanism 4, and the two corner cutting mechanisms 5 are symmetrically arranged on the left side and the right side of the corner cutting station in a left-right sliding manner and are respectively used for cutting corners and sealing the left side and the right side of a product; the feeding assembly 2 is arranged at the foremost end of the frame 1 and is used for conveying products to the film-feeding bag-making assembly 3; the film feeding and bag making assembly 3 is used for providing film materials and wrapping four sides of a product to complete bag making operation; the belt conveying mechanism 4 is used for conveying the products on the bag making station to the corner cutting station, and conveying the products of which the corner cutting station finishes corner cutting to the tail end of the rack.

The two corner cutting mechanisms 5 are respectively arranged on the rack through two guide rails facing left and right, and respectively move left and right through a pushing cylinder.

Referring to fig. 3, the front end of the belt conveying mechanism 4 is connected to the film feeding and bag making assembly 3, and the rear end of the belt conveying mechanism 4 extends out of the rear side of the frame 1, the belt conveying mechanism 4 includes two side plates arranged in parallel, two conveying belts 42 installed on the inner sides of the two side plates 41, and a conveying motor 43 for driving the conveying belts 42; the product is driven by a conveying belt 42 to be transported to a corner cutting station from the film feeding and bag making assembly 3, and finally transported out of the plastic packaging machine; the belt conveying mechanism 4 further comprises a corner cutting jacking cylinder 44 which is arranged below the corner cutting station, and when a product is conveyed to the corner cutting station, the product is jacked by the corner cutting jacking cylinder 44 to be matched with the corner cutting mechanism 5 to complete corner cutting operation.

Referring to fig. 4 and 5, the film feeding and bag making assembly 3 includes a bag making large bottom plate 31, a film releasing and receiving mechanism, a bag making platform 33, a jacking assembly 34, a bag making cutter assembly 35 and a box pushing assembly 36; the film releasing and receiving mechanism comprises a film feeding component 32a and a receiving component 32b, the film feeding component 32a is installed on the bag-making large bottom plate 31 and used for pulling and conveying film materials, and the receiving component 32b is installed below the bag-making large bottom plate 31 and used for winding waste film materials; the bag making platform 33 is arranged on the bag making large bottom plate 31 below the film feeding assembly 32a, and the jacking assembly 34 is arranged in front of the bag making platform 33 and used for jacking the products transmitted by the feeding assembly 2 to the same height as the bag making platform 33; the bag-making cutter assembly 35 is used for finishing the film-cutting and bag-making work; the box pushing assembly 36 is used for pushing the products on the jacking assembly 34 to the bag making platform 33, and simultaneously conveying the coated products on the bag making platform 33 to the box fixing frame 8.

Referring to fig. 4 to 9, the film feeding assembly 32a includes a left film feeding plate 321, a right film feeding plate 322, a material roll 323, a film feeding glue shaft 324, a film feeding motor 325, a buffer assembly 326, and three small rollers 327; the material roll 323, the film feeding rubber shaft 324 and the three small rollers 327 are rotatably arranged between the film feeding left side plate 321 and the film feeding right side plate 322 and are parallel to each other; the material roll 323 is arranged at the uppermost part of the left film side plate 321 and the right film feeding side plate 322, the film feeding rubber shaft 324 is arranged below the material roll 323 and used for conveying film materials, and the film feeding rubber shaft 324 is driven to rotate by the film feeding motor 325; the buffer memory component 326 is arranged between the film left side plate 321 and the film feeding right side plate 322 below the film feeding rubber shaft 324 and is used for buffering the film material to be conveyed; the three small rollers 327 are used for drawing the film material, wherein one small roller 327 is installed between the film feeding left side plate 321 and the film feeding right side plate 322 through an adjustable installation block 3271, and the height of the small roller 327 can be adjusted through the adjustable installation block 3271. When the film material is used, the film material is led out from the material roll, and the film material sequentially bypasses the film feeding rubber shaft 324, the buffer storage component 326 and the three small rollers 327 to coat the passed product, and finally the material receiving component 32b winds up the waste material.

Referring to fig. 6 to 8, the film feeding assembly 32a further includes a puncturing assembly 328, which includes a puncturing fixed shaft 3281, a puncturing pendulum shaft 3282, and a plurality of puncturing cylinders 3283 sleeved on the puncturing pendulum shaft 3282; the puncturing fixed shaft 3281 is rotatably arranged between the film feeding left side plate 321 and the film feeding right side plate 322, two connecting blocks extend out of the puncturing fixed shaft 3281 to the side face, the puncturing swinging shaft 3282 is rotatably arranged between the two connecting blocks and can rotate around the puncturing fixed shaft 3281, and during installation, the puncturing swinging shaft 3282 is carried on the film feeding rubber shaft 324 by means of self gravity, namely, puncturing operation is completed by means of self gravity during working. The oscillating bar structure design of the puncturing assembly 328 makes the film penetrating work more convenient.

Referring to fig. 6, 7 and 9, the buffer assembly 326 includes a buffer fixed shaft 3261, two force arms 3262, and a buffer pull rod 3263 installed between the two force arms, the buffer fixed shaft 3261 is rotatably installed between the film feeding left side plate 321 and the film feeding right side plate 322 and is limited by two retaining rings to prevent the buffer fixed shaft from moving, one end of the buffer fixed shaft 3261 extends out of the film feeding left side plate 321, a film placing induction sheet 3264 is fixedly installed at the end, and correspondingly, three induction switches 3266 in an arc-shaped beat array are fixedly installed on the outer side surface of the left side plate 321 through an induction seat 3265. The position relationship and the working principle of the three inductive switches 3266 are as follows: when the film supply state is normal, the film material bypasses the buffer pull rod 3263 and swings to a certain height, so that the film placing induction sheet 3264 is positioned at the middle induction switch 3266; when the material roll lacks film materials or the material receiving speed is higher than the film supplying speed, the film materials stretch to pull the buffer pull rod 3263 to swing upwards, the film placing induction sheet 3264 swings forwards to the foremost induction switch 3266, and the induction switch 3266 sends a signal to stop the equipment; when the material receiving speed is lower than the film feeding speed, the buffer pull rod 3263 swings downwards under the action of gravity, the film placing induction sheet 3264 swings to the induction switch 3266 at the last side, and the induction switch 3266 feeds back signals.

The material receiving assembly 32b comprises a material receiving bottom plate, two material receiving side plates, a film receiving shaft, a small film receiving roller, a material receiving motor and a material receiving press film assembly 329, wherein the two material receiving side plates are erected on the material receiving bottom plate; the film collecting shaft and the small film collecting roller are arranged between the two material collecting side plates and can rotate around a central shaft of the film collecting shaft and the small film collecting roller, the film collecting shaft is used for conveying waste materials under the driving of the material collecting motor, and the small film collecting roller plays a role in traction; the film collecting shaft is rotatably erected in front of the collecting side plate and is used for collecting waste materials under the driving of the collecting motor; the film receiving shaft and the film receiving shaft are driven to rotate by the material receiving motor through two conveying belts at the same time, and the conveying belts are covered by a protective cover; receive material press mold subassembly 329 includes press mold axle, press mold transmission dead axle, press mold pull rod, straining shaft, taut piece and lock nut, the transmission dead axle is installed in the transmission dead axle two receive between the material curb plate, press mold axle, press mold pull rod are through installing two pendulum arm pieces can wind the rotatory installation of transmission dead axle, press mold axle laminating is in receive the epaxial press mold that carries out of film, taut axle one end with press mold pull rod cylinder is connected, and the other end passes through lock nut with taut piece is connected, taut piece fixed mounting in receive on the material bottom plate, through adjusting lock nut can change the press mold pull rod extremely the position of straining the piece, and then the adjustment press mold axle compresses tightly the dynamics.

When the film collecting device is used, the waste films sequentially bypass the film collecting small roller and the film collecting shaft and are finally collected by the film collecting shaft.

Referring to fig. 10, the jacking assembly 34 includes a jacking bottom plate 341, two jacking sliding plates 342 mounted on the jacking bottom plate 341 in a left-right sliding manner for supporting a product, two limiting sliding plate stoppers 343 mounted on the two jacking sliding plates 342, respectively, and a jacking cylinder 344 mounted below the jacking bottom plate 341; by adjusting the jacking sliding plate 342 in a sliding way, the jacking assembly 34 can adapt to products with different widths; the limit sliding plate stoppers 343 are used for limiting the left side and the right side of the product; the jacking cylinder 344 is used for jacking the product. The jacking assembly further comprises an induction baffle 345 arranged behind the jacking bottom plate 341 and used for inducing and blocking the product of the jacking bottom plate 341.

In fig. 11 and 12, the bag making platform 33 includes a bag making platform base plate 331, four bag making platform support posts 332 for supporting and mounting the bag making platform base plate 331, two bag making and pressing film cylinders 334 fixedly mounted below the bag making platform base plate 331, two bag making and pressing film blocks 335 respectively mounted on push rods of the two bag making and pressing film cylinders 334, a bag making and pressing film base plate 336 mounted below the bag making platform base plate 331, and two bag making platform limit blocks 337 mounted on the bag making platform base plate 331; the position of the bag making platform limiting block 337 can be adjusted, so that the bag making platform can adapt to products with different widths; the bag-making and film-pressing cylinder 334, the bag-making and film-pressing block 335, and the bag-making and film-pressing backing plate 336 are used for film pressing.

In fig. 13, the bag making cutter assembly 35 includes a bag making cutter liner 351 installed above and capable of being lifted, and a bag making hot cutter 352 installed below the bag making cutter liner 351 and capable of being lifted, a bag making cutter heat insulation block 353 installed above the bag making cutter liner 351 and capable of being lifted is further provided, and a groove for the bag making hot cutter 352 to pass through is provided on the bag making cutter heat insulation block 353. When the film cutting and bag making are needed, the bag making cutter liner plate 351 and the bag making cutter heat insulation block 353 move up and down to clamp and position the film, and then the bag making hot cutter 352 rises to complete the film cutting and bag making operation.

In fig. 14, the pushing box assembly 36 includes a pushing box slide rail 361, a pushing box motor 362, and two pushing box rods 363 installed on the pushing box slide rail 361 in parallel front and back; the box pushing motor 362 is configured to drive the box pushing rod 363 to move along the box pushing slide rail 361, so as to push the product on the bag making platform 33 to the box packing fixing frame 8, and push the product on the jacking assembly 34 to the bag making platform 33.

Referring to fig. 15 to 19, the corner cutting mechanism 5 includes a corner cutting base plate 51, a corner cutting lining plate assembly 52, lateral

hot cutter mechanisms

53 and 54 respectively installed at left and right sides of the corner cutting base plate 51, and a bottom hot cutter mechanism 55 installed between the two lateral

hot cutter assemblies

53 and 54; the corner cutting lining plate component 52 is used for performing film arranging operation before corner cutting, and matching with the two lateral

hot cutter mechanisms

53 and 54 and the bottom hot cutter mechanism 55 to complete corner cutting and sealing operation after the film is finished.

The corner cutting mechanism 5 further comprises a waste tearing mechanism 56, wherein the waste tearing mechanism 56 is mounted between the upper part and the rear part of the corner cutting bottom plate 51 and is used for tearing off cut waste; the corner cutting liner assembly 52 is mounted on the scrap tearing mechanism 56.

The two lateral

hot cutter mechanisms

53 and 54 and the bottom hot cutter mechanism 55 both comprise a hot cutter, and are driven by a cylinder corner cutting cylinder, the hot cutter edge on the lateral hot cutter mechanism 53 on the left side faces to the right, the hot cutter edge on the lateral hot cutter mechanism 54 on the right side faces to the left, and the hot cutter edge on the bottom hot cutter mechanism 55 faces to the upper; the hot cutters are all installed in a floating mode through a floating piece, and the film cutting is thorough.

The corner cutting lining plate assembly 52 comprises a lining plate mounting frame 521, a bottom lining sliding plate 522, a bottom lining 523 arranged below the bottom lining sliding plate 522, a corner lining film guide rail mounting part 524 and two corner linings 525 slidably arranged below the corner lining film guide rail mounting part 524. The bottom lining sliding plate 522 and the corner lining film guide rail mounting piece 524 are vertically arranged and can be vertically slidably mounted on the front side of the lining plate mounting frame 521, specifically, a pair of lining plate lifting guide rails 5211 are arranged on the front side of the lining plate mounting frame 521, and the bottom lining sliding plate 522 and the corner lining film guide rail mounting piece 524 are respectively vertically slidably mounted on the lining plate lifting guide rails 5211 through a pair of lifting sliders; the bottom lining sliding plate 522 is lifted through a first lifting cylinder 526, the cylinder body of the first lifting cylinder 526 is fixed on the lining plate mounting frame 521, and the telescopic rod of the first lifting cylinder 526 is fixedly connected with the bottom lining sliding plate 522; the angle lining film guide rail installation piece 524 moves up and down through a second lifting cylinder 527, the cylinder body of the second lifting cylinder 527 is fixedly installed on the lining plate installation frame 521, and the telescopic rod of the second lifting cylinder is fixedly connected with the angle lining film guide rail installation piece 524. The bottom liner 523 is a symmetrical plate with a wide upper part and a narrow lower part, and two sides of the middle part form oblique edges. The two corner linings 525 are respectively arranged on the corner lining film guide rail mounting pieces 524 in a left-right sliding manner through a corner lining sliding plate 5251, specifically, a left-right oriented corner lining guide rail 5241 is arranged on the corner lining film guide rail mounting pieces 524, the corner lining sliding plates 5251 are respectively arranged on the corner lining guide rails 5241 in a sliding manner through a corner lining sliding block 5252, and the two corner lining sliding plates 5251 are connected through a tension spring; the angle linings 525 are narrow at the top and wide at the bottom, one side edge of each angle lining is vertical, the bottom edge of each angle lining is horizontal, the other side edge of each angle lining is in a three-section folded line shape, the two angle linings 525 are symmetrically arranged, and when the two angle linings are combined together under the action of the tension springs, the middle of each angle lining is provided with a V-shaped opening. The bottom liner 523 and the corner liner 525 are positioned right above the bottom hot cutter mechanism 55.

The lower end of the lining plate lifting guide rail 5211 is provided with two corner lining lower limit protection glues 5212; two side surfaces of the corner lining film-arranging guide rail mounting piece are respectively provided with a corner lining limiting block 5222; the first lifting cylinder 526 has a larger cylinder diameter than the second lifting cylinder 527.

The work flow and principle of the chamfer liner plate assembly 552 are as follows:

at the beginning, the corner lining film tidying guide rail installation part 524 drives the corner lining 525 to move downwards under the action of the second lifting cylinder 527 to be close to the end face of the product to carry out downward film tidying operation, and the operation is stopped when the bottom lining 523 is aligned with the bottom edge of the product; then, the bottom lining sliding plate 522 moves downwards under the driving of the first lifting cylinder 526, the bottom lining 523 is inserted between the two corner linings 525, and the two corner linings 525 are squeezed open to two sides until the outer sides of the two corner linings 525 are respectively aligned with the two sides of the product, and at this time, the whole film processing operation is completed; and the subsequent corner cutting and sealing operations can be finished by matching with three hot cutters.

The waste tearing mechanism 56 comprises a waste tearing mounting frame 561, a waste tearing bottom plate 562, a waste tearing sliding plate 563, a film pressing block 564 and a swing arm 565; the waste mounting rack 561 is in a gantry shape and comprises a left vertical plate, a right vertical plate and a transverse plate above the vertical plates; the scrap tearing bottom plate 562 is rotatably mounted between the two vertical plates in a vertical plane, specifically, the left side of the scrap tearing bottom plate 562 is rotatably connected with the left vertical plate through a first rotary cylinder 5621, the right side of the scrap tearing bottom plate 562 is connected with the right vertical plate through a rotating shaft, and the first rotary cylinder 5621 is used for driving the scrap tearing bottom plate 562 to rotate and swing; the scrap tearing sliding plate 563 is arranged on the scrap tearing bottom plate 562 in a front-back sliding manner, and the scrap tearing telescopic cylinder 5631 is used for realizing the front-back sliding; the film pressing block 564 is fixedly arranged at the front end of the scrap tearing sliding plate 563; the swing arm 565 is mounted on the scrap tearing sliding plate 563 in a vertically rotatable and swingable manner, and specifically, is mounted on the scrap tearing sliding plate 563 by a second swing cylinder 5651, and is rotated and swung by the second swing cylinder 651, and by swinging the swing arm 565, the actions of clamping and releasing the scrap can be performed in cooperation with the film pressing block 564.

The cylinder body of the waste tearing telescopic cylinder 5631 is fixed, the waste tearing sliding plate 563 is connected with the telescopic rod of the waste tearing telescopic cylinder 5631 in a floating mode through a floating block 5632, and therefore the waste tearing sliding plate 563 is enabled to swing along with the rotation of the waste tearing bottom plate 562 without being affected by the waste tearing telescopic cylinder 5631.

Tear waste material slide 563 bottom be equipped with the slide rail 5633 of the front and back orientation of two parallels, it is corresponding, tear waste material bottom plate 562 upper surface fixed mounting and tear waste material slider 5622, through tear waste material slider 5622, slide rail 5633 realize tearing waste material slide 563 and tear the slidable mounting relatively of waste material bottom plate 562, it is equipped with two slide stopper 5631 to tear waste material slide 563 rear end for the restriction tears the gliding distance forward of waste material slide 563.

The swing arm 565 is in a T-shaped structure, the front end of the swing arm is a clamping end, the film pressing block 564 is positioned to clamp waste materials, and a vacuum suction cup 5652 is arranged on the lower surface of the clamping end and used for adsorbing and grabbing the waste materials; the rear end of the swing arm 565 is connected with a second rotary cylinder 5651, that is, the second rotary cylinder 5651 can drive the swing arm 565 to rotate and swing, so as to complete the clamping and loosening actions of the clamping end of the swing arm 565; two rubber pads 566 are arranged between the film pressing block 564 and the clamping end of the swing arm 565 and are used for buffering impact force; two swing arm limiting blocks 5611 are further arranged on the transverse plate and used for limiting the upward swinging amount of the swing arm 565.

The working flow and principle of the waste tearing mechanism 56 are as follows:

when the waste is required to be torn, the first rotary cylinder 5621 drives the waste tearing bottom plate 562 and the waste tearing sliding plate 563 to rotate for adjusting the angle, then the waste tearing telescopic cylinder 5631 pushes the waste tearing sliding plate 563 to enable the film pressing block 564 and the swing arm 565 to be capable of holding the waste, then the second rotary cylinder 5651 rotates to enable the swing arm 565 to swing upwards, then swing downwards to match with the film pressing block 564 to grab the waste, and then the first rotary cylinder 5621 swings downwards and/or the waste tearing telescopic cylinder 5631 retreats to complete the waste tearing action.

The utility model provides an end-sealing formula plastic packaging machine that corner cut mechanism symmetry set up has following beneficial effect:

2. the corner cutting mechanism 5, the jacking component 34 and the bag making platform 33 mechanism can be adapted to products with different sizes through fine adjustment, so that the bottom sealing type plastic packaging machine with the symmetrically arranged corner cutting mechanisms has high universality;

3. corner cut mechanism 5 is still including one and tears waste material mechanism 56, can be to the position action of waste material, can be effectively to the waste material that the position is unsettled, tears the waste material operation like the film form waste material, and the compatibility is strong, tears effectual, the degree of automation height of waste material.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. The utility model provides a bottom seal formula plastic packaging machine of corner cut mechanism symmetry setting which characterized in that: comprises a frame, a feeding component, a film feeding and bag making component, a belt conveying mechanism and two corner cutting mechanisms; the feeding assembly, the film feeding bag making assembly and the belt conveying mechanism are sequentially arranged on the rack from front to back, corner cutting stations are arranged on the belt conveying mechanism, and the two corner cutting mechanisms are symmetrically arranged on the left side and the right side of the corner cutting stations in a left-right sliding mode and are respectively used for cutting corners and sealing the left side and the right side of a product; the feeding assembly is arranged at the foremost end of the rack and is used for conveying products to the film conveying and bag making assembly; the film feeding and bag making assembly is used for providing film materials and wrapping four sides of a product to complete bag making operation; the belt conveying mechanism is used for conveying products on the bag making station to the corner cutting station and conveying the products of which the corner cutting station finishes corner cutting to the tail end of the rack.

2. The bottom-sealing type plastic packaging machine with the corner cutting mechanism symmetrically arranged according to claim 1, is characterized in that: the belt conveying mechanism comprises two side plates arranged in parallel, two conveying belts arranged on the inner sides of the two side plates and a belt for driving the belts to transmit;

3. The bottom-sealing type plastic packaging machine with the corner cutting mechanism symmetrically arranged according to claim 1, is characterized in that: the film feeding and bag making assembly comprises a large bag making bottom plate, a film releasing and collecting mechanism, a bag making platform, a jacking assembly, a bag making cutter assembly and a box pushing assembly; the film releasing and receiving mechanism comprises a film feeding assembly and a receiving assembly, the film feeding assembly is mounted on the bag-making large bottom plate and used for drawing and conveying film materials, and the receiving assembly is mounted below the bag-making large bottom plate and used for winding waste film materials; the lower part of the film feeding component of the bag making platform is arranged on the large bag making bottom plate, and the jacking component is arranged in front of the bag making platform and is used for jacking the product conveyed by the feeding component to the height same as that of the bag making platform; the bag-making cutter assembly is used for finishing the film-cutting and bag-making work; the box pushing assembly is used for pushing the products on the jacking assembly to the bag making platform and pushing the coated products on the bag making platform backwards.

4. The bottom-sealing type plastic packaging machine with the corner cutting mechanism symmetrically arranged according to claim 3, is characterized in that: the film feeding assembly comprises a film feeding left side plate, a film feeding right side plate, a material roll, a film feeding rubber shaft, a film feeding motor, a buffer assembly and a plurality of small rollers; the material roll, the film feeding rubber shaft and the small rollers are rotatably arranged between the film feeding left side plate and the film feeding right side plate and are parallel to each other; the film feeding rubber shaft is used for conveying film materials and is driven to rotate by the film feeding motor; the buffer memory component is arranged between the film left side plate and the film feeding right side plate below the film feeding rubber shaft and is used for buffering the film material to be conveyed; the small roller is used for drawing the film material;

5. The bottom-sealing type plastic packaging machine with the corner cutting mechanism symmetrically arranged according to claim 4, is characterized in that: the buffer component comprises a buffer fixed shaft, two force arms and a buffer pull rod arranged between the two force arms, the buffer fixed shaft is rotatably arranged between the film feeding left side plate and the film feeding right side plate, one end of the buffer fixed shaft extends out of the outer side of the film feeding left side plate, a film placing induction sheet is fixedly arranged at the end, and correspondingly, three induction switches in an arc-shaped shooting column are fixedly arranged on the outer side surface of the left side plate through an induction seat;

6. The bottom-sealing type plastic packaging machine with the corner cutting mechanism symmetrically arranged according to claim 3, is characterized in that: the bag making cutter assembly comprises a bag making cutter liner plate and a bag making hot cutter, wherein the bag making cutter liner plate is arranged above the bag making cutter assembly in a lifting mode, the bag making hot cutter is arranged under the bag making cutter liner plate in a lifting mode, a bag making cutter heat insulation block is arranged above the bag making cutter liner plate in a lifting mode, and a groove for the bag making hot cutter to penetrate through is formed in the bag making cutter heat insulation block.

7. The bottom-sealing type plastic packaging machine with the corner cutting mechanism symmetrically arranged according to claim 3, is characterized in that: the jacking assembly comprises a jacking bottom plate, two jacking sliding plates which can be arranged on the jacking bottom plate in a left-right sliding mode and are used for supporting products, two limiting sliding plate stop blocks which are respectively arranged on the two jacking sliding plates, and a jacking cylinder which is arranged below the jacking bottom plate; the jacking assembly can adapt to products with different widths by adjusting the jacking sliding plate in a sliding manner; the limit sliding plate stop blocks are used for limiting the left side and the right side of the product; the jacking cylinder is used for jacking a product;

8. The bottom-sealing type plastic packaging machine with the corner cutting mechanism symmetrically arranged according to claim 1, is characterized in that: the corner cutting mechanism comprises a corner cutting base plate, corner cutting lining plate components, lateral hot cutter mechanisms respectively arranged on the left side and the right side of the base plate, and a bottom hot cutter mechanism arranged between the two lateral hot cutter components; the corner cutting lining plate assembly is used for performing film arranging operation before corner cutting, and matching the two lateral hot cutter mechanisms and the bottom hot cutter mechanism to complete corner cutting and sealing operation after film arranging;

9. The bottom-sealing type plastic packaging machine with the corner cutting mechanism symmetrically arranged according to claim 8, is characterized in that: the corner linings are narrow at the top and wide at the bottom, one side edge of each corner lining is vertical, the bottom edge of each corner lining is horizontal, the other side edge of each corner lining is in a three-section broken line shape, the two corner linings are symmetrically arranged, and when the corner linings are combined together under the action of the tension device, a V-shaped opening is formed in the middle of each corner lining;

the tension device is a tension spring.

10. The bottom-sealing type plastic packaging machine with the corner cutting mechanism symmetrically arranged according to claim 8, is characterized in that: the corner cutting mechanism also comprises a waste tearing mechanism which comprises a waste tearing mounting frame, a waste tearing bottom plate, a waste tearing sliding plate and a waste clamp arranged on the waste tearing sliding plate; the waste tearing bottom plate is arranged on the waste tearing mounting frame, the waste tearing sliding plate is arranged on the waste tearing bottom plate in a front-back sliding mode, and the front-back sliding is realized through a waste tearing telescopic cylinder; the waste material presss from both sides and is used for getting the waste material.