CN108688902B

CN108688902B - Packaging system

Info

Publication number: CN108688902B
Application number: CN201810361823.5A
Authority: CN
Inventors: 李家顺
Original assignee: Shenzhen Zhuobo Robot Co ltd; Shenzhen Zhuoyi Zhizao Co ltd; Shenzhen Zowee Technology Co Ltd
Current assignee: Shenzhen Zhuobo Robot Co ltd; Shenzhen Zhuoyi Zhizao Co ltd; Shenzhen Zowee Technology Co Ltd
Priority date: 2018-04-20
Filing date: 2018-04-20
Publication date: 2024-04-09
Anticipated expiration: 2038-04-20
Also published as: CN108688902A

Abstract

The invention discloses a packaging system, which comprises a film sleeving machine, a sealing machine and an angle shearing machine which are sequentially arranged from upstream to downstream, wherein the angle shearing machine comprises two shearing devices, and the two shearing devices are used for shearing the residual material angles at two sides of a bag film respectively; the shearing device comprises an included angle mechanism, an angle cutting mechanism positioned at one side of the included angle mechanism and a material blocking mechanism; the included angle mechanism comprises two symmetrically arranged angle clamping assemblies, the angle cutting mechanism comprises two symmetrically arranged cutting assemblies, and the cutting assemblies respectively correspond to the angle clamping assemblies; a storage plate is arranged between the two cutting assemblies, a baffle plate is arranged on the storage plate, and the material blocking device comprises a baffle plate and a baffle plate driving assembly connected with the baffle plate. According to the corner shearing machine, by arranging the two groups of shearing devices, the residual material corners on two opposite sides of a product are sheared in two steps, so that the yield of the product is improved; the baffle and the baffle are mutually clamped and matched to position the product on the object placing plate, so that the positioning accuracy of the product is improved, and the shearing quality of the product is improved.

Description

Packaging system

Technical Field

The invention relates to the technical field of packaging, in particular to a packaging system.

Background

With the development of economy, the variety and number of products are increasing, and many products need to be packaged using an overwrap film. In order to improve packaging efficiency, a lot of automatic packaging systems for packaging appear on the market, corner cutting procedures are indispensable in the operation process of the packaging systems, namely after a product is coated, residual materials exist in primary packaging, the whole coating work can be completed after the residual materials are cut off, at the moment, the corner cutting machine is required to cut off the residual materials of four corners of the product, the sealing of the cut residual materials can be tightly attached to the four corners of the product through the cooperation of each mechanism, the sealing is smooth and linear, and the corner cutting procedures are realized through the corner cutting machine.

The angle shearing machine of the existing packaging system has complex structure and high manufacturing cost; in the shearing process, the product is positioned inaccurately, and the shearing angle quality is difficult to ensure; and the surplus materials of the four edges and corners of the product are sheared simultaneously, so that when the product is positioned inaccurately, the shearing failure of the four edges and corners of the product can be caused, and the yield is low.

Disclosure of Invention

In view of the above, a packaging system for shearing quality of a cullet corner that can be applied to a bag film of a product is provided.

In order to implement the above purpose, the present invention adopts the following technical scheme:

a packaging system comprising, in order from upstream to downstream:

the film sleeving machine is used for packaging the packaging film on a product and hot-cutting the packaging film into a bag film;

the sealing machine is used for receiving the product sleeved with the unsealed pocket film and sealing the pocket film;

the corner shearing machine is used for receiving the product sleeved with the sealed bag film and cutting off the bag film residual material corners, and comprises two shearing devices, wherein the two shearing devices are used for shearing the residual material corners on two sides of the bag film respectively; the shearing device comprises an included angle mechanism, an angle cutting mechanism positioned at one side of the included angle mechanism and a material blocking mechanism; the included angle mechanism comprises two symmetrically arranged angle clamping assemblies, the angle cutting mechanism comprises two symmetrically arranged cutting assemblies, and the cutting assemblies respectively correspond to the angle clamping assemblies; and a storage plate is arranged between the cutting assemblies, a partition plate is arranged on the storage plate, and the material blocking device comprises a baffle and a baffle driving assembly connected with the baffle.

According to the packaging machine, the corner shearing machine is provided with the two groups of shearing devices, one group of shearing devices shears the residual material angles at two ends of one side of a product, the other group of shearing devices shears the residual material angles at two ends of the other side of the product, so that the residual material angles at two opposite sides of the product are sheared in two steps, the shearing effect of the other shearing device on the residual material angles of the product is not influenced even if the shearing device of the former group is unqualified, and the yield of the product is improved; the baffle and the baffle are mutually clamped and matched to position the product on the object placing plate, so that the positioning accuracy of the product is improved, and the shearing quality of the product is improved.

In one embodiment, the corner clamp assembly includes a base, a riser and a clamp plate drive mounted to the base, and a clamp plate mounted to the clamp plate drive.

In one embodiment, a non-slip mat is arranged on one side of the vertical plate facing the clamping plate.

In one embodiment, the clamping plate driving member comprises a bottom plate arranged on the base, a rotating shaft pivoted on the bottom plate, a clamping gear sleeved on the rotating shaft, a clamping rack meshed with the clamping gear, and a clamping cylinder connected with the clamping rack, wherein the clamping plate comprises a swinging part sleeved on the rotating shaft and a clamping part connected with the swinging part; the clamping part corresponds to the vertical plate.

In one embodiment, the bottom plate is slidably disposed on the base, and a pushing cylinder is further disposed on the base and connected to the bottom plate.

In one embodiment, the angle mechanism further includes a first driving component connected to the two angle clamping components, and the first driving component is used for driving the two angle clamping components to be close to each other or far away from each other.

In one embodiment, the film sleeving machine comprises a product supply device, a pushing device, a film outlet device, a film separating device, a film pressing device, a packaging device and a film sleeving discharging device which are sequentially arranged from upstream to downstream; the product supply device is arranged corresponding to the film separating device and is used for supplying products to the film separating device; the pushing device is used for pushing the product from the film separating device to the packaging device; the discharge end of the mantle discharge device is arranged corresponding to the corner shearing machine.

In one embodiment, the packaging device comprises a film cutting mechanism positioned at the downstream of the film pressing device, an angle adjusting mechanism positioned above the film cutting mechanism, a product positioning mechanism positioned at the downstream of the film cutting mechanism, and a film pulling mechanism positioned above the product positioning mechanism, wherein the product positioning mechanism is bordered by a film covering discharging device.

In one embodiment, the sealing machine comprises a hot-cutting sealing device, a material sucking rotary transfer device arranged corresponding to the film sleeving device, a sealing feeding device arranged between the sealing feeding device and the material sucking rotary transfer device, a carrying device arranged between the sealing feeding device and the corner shearing machine, and a bag straightening device and a waste film treatment device arranged on one side of the hot-cutting sealing device away from the sealing feeding device.

In one embodiment, the material sucking rotary transfer device comprises a rotary mounting bracket, a rotary piece and a rotary driving piece which are mounted on the rotary mounting bracket, and a sucking piece arranged on the rotary piece, wherein the rotary driving piece is connected with the rotary piece.

Drawings

FIG. 1 is a schematic view of a packaging system according to a preferred embodiment of the present invention;

FIG. 2 is a schematic perspective view of the film sleeving machine in FIG. 1;

FIG. 3 is a schematic perspective view of the packaging unit of FIG. 2;

FIG. 4 is a left side view of the packaging unit shown in FIG. 3;

FIG. 5 is a schematic perspective view of the sealing machine in FIG. 1;

FIG. 6 is a schematic perspective view of the hot seal device of FIG. 5;

FIG. 7 is a front view of the seal hot cutting mechanism of the sealing machine of the present invention in one embodiment;

FIG. 8 is an enlarged view of the area encircled by circle A in FIG. 7;

FIG. 9 is a schematic perspective view of the bagging apparatus of FIG. 5;

FIG. 10 is an assembled view of the bag holder, upper rack, lower rack and push-blade gear of FIG. 9;

FIG. 11 is a schematic view of a portion of a bag pulling knife of a bag pulling device of a sealing machine according to an embodiment of the present invention;

FIG. 12 is a schematic view of a portion of a bag pulling knife of a bag pulling device of a sealing machine according to another embodiment of the present invention;

FIG. 13 is a schematic perspective view of the seal handling and transferring device in FIG. 5;

FIG. 14 is a schematic view of a part of a carrying and clamping mechanism of a product carrying device of a sealing machine according to an embodiment of the invention;

FIG. 15 is a schematic perspective view of the suction rotary transfer device of FIG. 5;

FIG. 16 is a schematic perspective view of the corner shearing machine of FIG. 1;

FIG. 17 is a schematic perspective view of the angle mechanism of FIG. 16;

FIG. 18 is a schematic perspective view of an angle clamping assembly on the angle mechanism of FIG. 17;

FIG. 19 is a schematic perspective view of the corner cutting mechanism of FIG. 16;

fig. 20 is a schematic flow chart of a packaging film forming pouch film packaging product.

The meaning of the reference numerals in the drawings are:

10. a film sleeving machine; 11. a film sleeving workbench; 12. a product supply device; 121. a product conveying mechanism; 122. a product handling mechanism; 13. a pushing device; 131. a pushing plate; 132. a pushing driving piece; 14. a film discharging device; 15. a membrane separating device; 151. a first film separating mechanism; 152. a second film separating mechanism; 16. a film pressing device; 17. a packaging device; 170. packaging a bracket; 171. a film cutting mechanism; 172. a mantle hot cutting assembly; 173. an angle finishing mechanism; 174. a pressing plate; 175. a platen lifting drive; 176. a product positioning mechanism; 1761. positioning clamping plates; 1762. positioning the cleat drive assembly; 177. a film pulling mechanism; 178. a film pulling clamping driving assembly; 179. a film pulling clamping assembly; 18. a mantle discharging device;

20. A sealing machine; 21. a sealing workbench; 22. a hot cutting and sealing device; 220. a hot cutting frame; 221. a sealing hot cutting driving mechanism; 222. a sealing hot cutting mechanism; 223. a hot cutter; 224. a fixed cutter block; 225. a lightening hole; 226. a first connection assembly; 227. a bag supporting mechanism; 228. a supporting plate; 229. a second connection assembly; 23. a buffer assembly; 231. a guide rod; 232. a stop block; 233. a buffer spring; 24. a waste film treatment device; 25. sealing the feeding device; 26. a material sucking rotary transfer device; 261. rotating the mounting bracket; 262. a rotating member; 263. a first rotating plate; 264. a second rotating plate; 265. a suction member; 266. a rotary driving member; 30. a bag stroking device; 31. a bag straightening frame; 311. a frame first end; 312. a second end of the frame; 313. a chute; 314. a receiving groove; 32. a pushing frame mechanism; 33. a slide bar; 34. a push-broach motor; 351. the rack is arranged on the bag; 352. a rack is arranged under the bag; 353. a push-broach gear; 361. a first carriage; 362. a second carriage; 37. a bag pulling knife; 371. a pressure sensing sheet; 372. an elastic buffer block; 40. a seal carrying and transferring device; 41. a transport rack;

42. a horizontal conveyance driving mechanism; 43. a moving rack; 44. lifting and carrying driving parts; 45. carrying a clamping mechanism; 46. carrying the clamping driving assembly; 47. carrying clamping plates; 471. an elastic pad; 472. an accommodation hole; 48. a pressure sensor.

50. An angle shearing machine; 51. a shear angle transfer device; 52. a cutting angle feeding device; 53. a corner cutting discharging device; 54. a shearing device; 60. an included angle mechanism; 61. an included angle rack; 62. a first drive assembly; 63. an angle clamping assembly; 64. a base; 65. a vertical plate; 66. a clamping plate; 661. a swinging part; 662. a clamping part; 67. a pushing cylinder; 681. a bottom plate; 682. a rotating shaft; 683. a clamping cylinder; 684. a clamping gear; 685. clamping a rack; 686. a guide block; 70. a corner cutting mechanism; 71. an adjustment assembly; 72. a base; 73. a bottom block; 74. adjusting the drive unit; 76. a second drive assembly; 77. a cutting assembly; 78. a storage plate; 79. a partition plate; 80. a material blocking device; 81. a baffle; 82. a material blocking driving mechanism;

100. a product; 200. and (5) packaging films.

Detailed Description

The present invention will be described more fully hereinafter in order to facilitate an understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1, a packaging system according to a preferred embodiment of the present invention includes a film sleeving machine 10, a sealing machine 20 and a corner cutting machine 50, which are sequentially arranged from upstream to downstream, wherein the film sleeving machine 10 is used for packaging a packaging film 200 on a product 100 and hot cutting the packaging film 200 into a bag film, and the sealing machine 20 is used for receiving the product 100 sleeved with an unsealed bag film and sealing the bag film; the corner shears 50 are used to receive the product 100 covered with the sealed bag film and cut the bag film trim corners.

Referring to fig. 2, the film laminating machine 10 includes a film laminating table 11, a product supply device 12 and a pushing device 13 disposed on the film laminating table 11, and a film discharging device 14, a film separating device 15, a film pressing device 16, a packaging device 17 and a film laminating discharging device 18 sequentially disposed on the film laminating table 11 from upstream to downstream. The product supply device 12 is arranged corresponding to the film separating device 15 and is used for supplying the product 100 to the film separating device 15, the pushing device 13 is used for pushing the product 100 from the film separating device 15 to the packaging device 17, and the discharging end of the film covering discharging device 18 is arranged corresponding to the corner cutting machine 50.

The product supply device 12 includes a product conveying mechanism 121 and a product conveying mechanism 122 at an output end of the product conveying mechanism 121, the product conveying mechanism 122 being for conveying the product 100 from the product conveying mechanism 121 to the film separating device 15.

The pushing device 13 is used for pushing the product 100 placed on the second film separating mechanism 152 onto the packaging device 17, and specifically, the pushing device 13 includes a pushing plate 131 and a pushing driving member 132 for driving the pushing plate 131 to make a back-and-forth linear motion between the film separating device 15 and the packaging device 17.

The film dispenser 14 is used to provide a packaging film 200. The film separating device 15 is used for separating the packaging film 200 provided by the film discharging device 14, and before the packaging film 200 is not separated, the packaging film is in double-layer superposition, one side of the double-layer structure is connected, and the other side is not connected; in this embodiment, as shown in fig. 20, the lower end side of the packaging film 200 is connected, and the upper end side is not connected.

Further, the film separating device 15 includes a first film separating mechanism 151 located downstream of the film discharging device 14 and a second film separating mechanism 152 located downstream of the first film separating mechanism 151. The first film separating mechanism 151 is used for preliminary separation of the packaging film 200, i.e., separation of the packaging film 200 into a V-shaped configuration (viewed in a cross section perpendicular to the path of travel of the packaging film 200). The second film separating mechanism 152 is located downstream of the first film separating mechanism 151, and the second film separating mechanism 152 is used for further separating the packaging film 200 separated by the first film separating mechanism 151, and separating the packaging film 200 having a V-shaped structure into a U-shaped structure (also viewed in a cross section perpendicular to the path of travel of the packaging film 200), so that the packaging film 200 forms a U-shaped channel on the second film separating mechanism 152, and the unpackaged product 100 is fed into the U-shaped channel.

The film pressing device 16 is located downstream of the second film dividing mechanism 152, and the film pressing device 16 borders the second film dividing mechanism 152, and the film pressing device 16 is used for pressing two layers of the packaging film 200 transferred from the second film dividing mechanism 152 to fit the product 100.

Referring again to fig. 3 and 4, the wrapping device 17 is located downstream of the film pressing device 16; specifically, the packaging device 17 includes a film cutting mechanism 171 located downstream of the film pressing device 16, a corner finishing mechanism 173 located above the film cutting mechanism 171, a product positioning mechanism 176 located downstream of the film cutting mechanism 171, a film tearing mechanism 177 located above the product positioning mechanism 176, and a packaging stand 170.

Referring to fig. 3 again, the film cutting mechanism 171 is located on the upstream side of the package support 170, and the film cutting mechanism 171 is used for thermally cutting the packaging film 200 on one side of the product 100, and further, the film cutting mechanism 171 includes two film covering hot cutting assemblies 172 disposed opposite to each other, and the two film covering hot cutting assemblies 172 cooperate to cut the packaging film 200.

The corner finishing mechanism 173 is used for finishing the packaging film 200 on one side of the product 100 so that the packaging film 200 forms a triangular chamfer at the bottom of the product 100, and further, the corner finishing mechanism 173 comprises a pressing plate 174 positioned between two sets of film hot-cutting assemblies 172 and a pressing plate lifting driving piece 175 used for driving the pressing plate 174 to perform lifting movement; the pressing plate lifting driving member 175 is located at the upstream side of the packaging support 170, and when in operation, the pressing plate lifting driving member 175 drives the pressing plate 174 to move downwards, and the pressing plate 174 presses down the packaging film 200 at the bottom between the sleeve film hot cutting assemblies 172, so that a triangular chamfer is formed at one side of the packaging film 200 at the bottom of the product 100.

Referring again to fig. 4, a product positioning mechanism 176 is located on the downstream side of the package support 170, the product positioning mechanism 176 being configured to secure the product 100 for cutting by the film cutting mechanism 171. Further, the product positioning mechanism 176 includes two positioning clamping plates 1761 disposed opposite to each other and a positioning clamping plate driving assembly 1762 for driving the two positioning clamping plates 1761 to close to each other and to separate from each other, wherein one side of the positioning clamping plate 1761 is identical to one side of the film hot cutting assembly 172, and the other side of the positioning clamping plate 1761 is identical to the other side of the film hot cutting assembly 172.

The tear film mechanism 177 includes a tear film grip assembly 179 and a tear film grip drive assembly 178 for driving the tear film grip assembly 179 away from or toward the product positioning mechanism 176. In operation, the tear film clamping assembly 179 is positioned between the two locating clamp plates 1761; when the product 100 is clamped by the film pulling clamping assembly 179, the film pulling clamping driving assembly 178 drives the film pulling clamping assembly 179 to approach the product 100, and the film pulling clamping assembly 179 clamps the packaging film 200 extending from one end of the product 100, so that the packaging film 200 is in a stretched state, and the packaging film 200 sleeved on the product 100 is prevented from being wrinkled, which is beneficial to improving the film sleeving quality of the product 100.

The film sleeving and discharging device 18 is bordered by a product positioning mechanism 176, and the film sleeving and discharging device 18 is used for conveying the product 100 after film sleeving to the sealing machine 20.

The specific working principle of the film sleeving machine 10 is as follows: referring to fig. 2, 3, 4 and 20 again, when the film sleeving machine 10 is in use, the packaging film 200 conveyed by the film discharging device 14 is separated by the first film separating mechanism 151 and the second film separating mechanism 152 and then extends onto the film pressing device 16; the product conveying mechanism 122 conveys the unpackaged product 100 conveyed by the product conveying mechanism 121 into the U-shaped channel formed in the second film separating mechanism 152 by the packaging film 200; the pushing driving piece 132 drives the pushing plate 131 to push the product 100 to the downstream end of the packaging film 200 on the film pressing device 16, the product 100 is in contact with the packaging film 200, the double-layer structure of the packaging film 200 at the downstream end is re-bonded together after the last product 100 is packaged, then the pushing plate 131 continues to push, when the product is pushed downstream, the packaging film 200 is received in front, the upstream film discharging device 14 can correspondingly supply films, the pushing plate 131 pushes the product 100 and the packaging film 200 to a designated position between the two positioning clamping plates 1761 under the driving of the pushing driving piece 132, the positioning clamping plate driving assembly 1762 drives the positioning clamping plates 1761 to fix the product 100, and at the moment, the pushing plate 131 returns to the initial position; the film pressing device 16 presses the packaging film 200 to reduce the interval between two layers of the packaging film 200; the pressing plate lifting driving piece 175 drives the pressing plate 174 to press down to a first fixed point, and meanwhile the film pulling driving component 178 drives the film pulling clamping component 179 to be close to the product 100, and the film pulling clamping component 179 clamps the packaging film 200 extending from one end of the product 100; the two film hot cutting assemblies 172 automatically draw together to clamp the packaging film 200 in the first stage; the pressing plate lifting driving piece 175 drives the pressing plate 174 to press down to a second fixed point; the film pressing device 16 resets, and simultaneously the pressing plate lifting driving piece 175 drives the pressing plate 174 to reset to an initial starting point; the second section of the film hot cutting assembly 172 is clamped, at this time, the packaging film 200 is cut off, and two layers of the packaging film 200 are bonded together, at this time, the film coating of the product 100 is completed, and the packaging film 200 at one end of the product 100 is in an opening shape; the locating clamp plate 1761, the pulling membrane clamping assembly 179 and the mantle hot cutting assembly 172 are all reset to wait for the next working instruction.

The film sleeving machine 10 realizes the integrated operations of feeding, film discharging, film separating, packaging, film cutting and discharging of the product 100 by arranging the product supply device 12, the material pushing device 13, and the film discharging device 14, the film separating device 15, the film pressing device 16, the packaging device 17 and the film sleeving discharging device 18 which are sequentially arranged from upstream to downstream, and is beneficial to improving the film sleeving efficiency of the product 100; in the film cutting process, the packaging film 200 extending out from one end of the product 100 is clamped by the film tearing mechanism 177, so that the packaging film 200 sleeved on the product 100 is prevented from being wrinkled, and the film sleeving quality of the product 100 is improved.

Referring to fig. 5, the sealing machine 20 includes a sealing table 21, a hot-cutting sealing device 22, a sealing feeding device 25, a bagging device 24, a carrying device 40 and a waste film treatment device 24; the hot-cut sealing device 22, the sealing feeding device 25 and the carrying device 40 are all arranged on the sealing workbench 21, and the bagging device 30 and the waste film treatment device 24 are all arranged on the hot-cut sealing device 22.

The hot-cut sealing device 22 is used for hot-cutting and sealing the unsealed end of the bag film, as shown in fig. 6, the hot-cut sealing device 22 comprises a hot-cut frame 220, a hot-cut sealing driving mechanism 221 installed on the hot-cut frame 220, and a hot-cut sealing mechanism 222 and a bag supporting mechanism 227 connected with the hot-cut sealing driving mechanism 221, wherein the hot-cut sealing driving mechanism 221 is used for driving the hot-cut sealing mechanism 222 and the bag supporting mechanism 227 to clamp the unsealed end of the bag film so that the hot-cut sealing mechanism 222 and the bag supporting mechanism 227 are matched with each other to realize heat sealing.

The sealing hot cutting mechanism 222 comprises a hot cutter 223 positioned at one side of the sealing hot cutting driving mechanism 221, a fixed cutter block 224 connected with the hot cutter 223, and first connecting components 226 respectively connected with two ends of the fixed cutter block 224; the fixed cutter block 224 is provided with a lightening hole 225 for lightening the weight of the fixed cutter block 224; each first link assembly 226 is connected to the hot-cutting driving mechanism 221, and each first link assembly 226 is slidably connected to the hot-cutting frame 220 in order to allow the hot-cutting knife 223 to perform stable linear motion.

In one embodiment, as shown in fig. 7 and 8, the hot knife 223 and the fixed knife block 224 are connected through a plurality of buffer assemblies 23, and the buffer assemblies 23 are used for buffering the impact force between the hot knife 223 and the supporting plate 228, so as to avoid the impact of the hot knife 223 on the hot-cut sealing effect of the hot knife 223 on the port of the bag film caused by the damage of the hot knife 223 caused by the overlarge impact. Specifically, each buffer component 23 includes a guide rod 231 and a buffer spring 233, one end of the guide rod 231 is connected with the hot cutter 223, the other end passes through the fixed cutter block 224 and extends into the weight-reducing hole 225, and a stop block 232 is arranged at the end of the guide rod 231 extending into the weight-reducing hole 225; the buffer spring 233 is located between the hot knife 223 and the fixed knife block 224. When the hot cutter 223 is pressed on the bag supporting mechanism 227, the impact force of the hot cutter 223 on the bag supporting mechanism 227 is buffered by compressing the buffer spring 233.

Referring again to fig. 6, the bag supporting mechanism 227 is located at one side of the sealing hot-cutting driving mechanism 221 close to the hot-cutting knife 223; the bag supporting mechanism 227 comprises a supporting plate 228 arranged opposite to the hot cutter 223 and second connecting components 229 respectively connected with two ends of the supporting plate 228, the supporting plate 228 is positioned below the hot cutter 223, two ends of the supporting plate 228 are connected with the hot cutting frame 220 in a sliding manner, and each second connecting component 229 is connected with the sealing hot cutting driving mechanism 221 and is connected with the hot cutting frame 220 in a sliding manner so that the supporting plate 228 can perform stable linear motion; the supporting plate 228 is used for supporting the end of the bag film, so that the hot cutting knife 223 can extrude the end of the bag film on the supporting plate 228 at high temperature, further the port hot cutting sealing of the bag film is realized, and an anti-sticking layer is arranged on the side surface of the supporting plate 228, which is close to the hot cutting knife 223, for preventing the port of the bag film from sticking to the supporting plate 228 after the port of the bag film is hot-cut sealed.

The hot-cut sealing device 22 has the following specific working principle: when the hot cutting and sealing work is carried out, firstly, the hot cutting and sealing mechanism 222 and the bag supporting mechanism 227 are driven by the hot cutting and sealing driving mechanism 221 to be close to the unsealed end part of the bag film, and when the hot cutting knife 223 of the hot cutting and sealing mechanism 222 presses the unsealed end part of the bag film on the supporting plate 228 of the bag supporting mechanism 227, the unsealed end part of the bag film is cut off and thermally sealed under the extrusion of the hot cutting knife 223 with high temperature due to the high temperature of the hot cutting knife 223, so that the purpose of sealing the end part of the bag film is achieved, and the end part of the bag film is formed into a neat edge; after the hot seal is completed, the seal hot seal drive mechanism 221 drives the bag holding mechanism 227 and the seal cutting mechanism 222 away from the product 100.

A seal feed 25 is positioned between the hot seal 22 and the suction rotary transfer device 26 for transporting the bag film covered product 100 adjacent to the hot seal 22. In this embodiment, the seal feeding device 25 includes two adjacent belt conveying mechanisms, and the specific structure is not described.

As shown in fig. 9, the bagging apparatus 30 is located on the side of the hot seal device 22 remote from the seal feed device 25 for stretching the ends of the bag film prior to hot sealing so that the ends of the bag film form corners. As shown in fig. 5, the bagging apparatus 30 includes a bagging frame 31 mounted on the hot cutting frame 220 away from the seal feeding device 25, a pushing frame mechanism 32 connected to the bagging frame 31, a push blade motor 34 mounted on a side of the bagging frame 31 away from the seal feeding device 25, a slide bar 33 mounted on a side of the bagging frame 31 near the seal feeding device 25, a bagging upper rack 351 and a bagging lower rack 352 arranged in parallel, a push blade gear 353 connected to an output shaft of the push blade motor 34, a first carriage 361 and a second carriage 362 sliding the slide bar 33, and a bagging blade 37 respectively provided on the first carriage 361 and the second carriage 362.

As shown in fig. 10, the bag stroking frame 31 has a frame first end 311 and a frame second end 312 which are oppositely arranged, one side of the bag stroking frame 31 far away from the push-type knife motor 34 is formed with two oppositely arranged sliding grooves 313 and accommodating grooves 314 communicated with the sliding grooves 313, the sliding grooves 313 extend along the length direction of the bag stroking frame 31 and are respectively positioned at two sides of the sliding bar 33, and the accommodating grooves 314 are arranged corresponding to the sliding bar 33 and are used for accommodating push-type knife gears 353.

The pushing frame mechanism 32 is used for pushing the bag pulling knife 37 to be close to the bag film and inserted into the bag film. The upper and lower stroking racks 351 and 352 are slidably disposed in the two slide grooves 313, respectively, and the push-broach gear 353 is disposed in the accommodating groove 314 and engages with the upper and lower stroking racks 351 and 352, respectively. When the bag film is to be opened, the push-type knife motor 34 drives the push-type knife gear 353 to push the bag-stroking upper rack 351 and the bag-stroking lower rack 352 to move back, so that the lower bag-poking knife 37 and the upper bag-poking knife 37 can realize the opening of the bag film.

The first carriage 361 and the second carriage 362 are respectively connected with the lower bag rack 352 and the upper bag rack 351, and respectively press on the upper bag rack 351 and the lower bag rack 352, so that the upper bag rack 351 and the lower bag rack 352 are blocked in the chute 313 and cannot be separated from the bag rack 31, and vibration caused by pushing of the upper bag rack 351 and the lower bag rack 352 by the push knife gear 353 in the bag film opening process is reduced, and the bag film opening knife 37 is facilitated to accurately open the bag film due to the increase of the distance between the first carriage 361 and the second carriage 362. In this embodiment, the first carriage 361 is connected to the end of the lower bag rack 352 near the first end 311 of the frame, and the second carriage 362 is connected to the end of the upper bag rack 351 far from the first end 311 of the frame, which helps to maximize the movement stroke of both the first carriage 361 and the second carriage 362.

In one embodiment, the outer surface of the bag pulling knife 37 is provided with an anti-adhesion layer, so that the bag film is not easy to adhere to the bag pulling knife 37, and the bag pulling knife 37 cannot tear the bag film when the unsealed end of the bag film is pulled open. The anti-sticking layer is a polyfluoro-silicon anti-sticking layer, a teflon anti-sticking layer, a polytetrafluoroethylene anti-sticking layer, a thermoplastic polyurethane anti-sticking layer or other anti-sticking layers. The top surface and the bottom surface of the bag pulling knife 37 are respectively provided with a plurality of hemispherical bulges, and the contact area between the anti-sticking layer and the bag film can be reduced by arranging a plurality of hemispherical bulges on the surface of the anti-sticking layer, so that the bag film is not easy to adhere to the bag pulling knife 37.

In one embodiment, as shown in fig. 11, the sides of the two bag pulling knives 37 away from each other are respectively provided with a pressure sensing piece 371, and in the process of opening the port of the bag film by the bag pulling knives 37, the pressure sensing pieces 371 are used for sensing the force applied by the bag pulling knives 37 on the bag film, when the force applied by the bag pulling knives 37 on the bag film reaches the specified force, the push knife motor 34 stops working, so that the bag pulling knives 37 stop moving in opposite directions, and the bag pulling knives 37 are prevented from opening the bag film.

In one embodiment, as shown in fig. 12, an elastic buffer 372 is disposed on the end of each bag pulling knife 37 away from the sliding strip 33, and the bag pulling knife 37 is prevented from damaging the product 100 by providing an elastic buffer 372 on the end of each bag pulling knife 37 away from the sliding strip 33, because the bag pulling device 30 is moved to the hot cutting position before the product 100 is conveyed to the hot cutting position by the seal feeding device 25, so as to stop the product 100 at the hot cutting position.

Specific working principle of the bagging device 30: when the bag film is opened, the pushing frame mechanism 32 drives the bag pulling knife 37 to move towards the bag film until the bag pulling knife 37 moves to the hot cutting position, and when the product 100 moves to the hot cutting position, the bag pulling knife 37 is inserted into the bag film to block the product 100 at the hot cutting position; then, the push-type knife motor 34 drives the push-type knife gear 353 to rotate in the forward direction, the bag-stroking upper rack 351 and the bag-stroking lower rack 352 move back, and the bag-poking knife 37 moves back to open the port of the bag film, so that the unsealed end of the bag film forms corners.

According to the bagging device 30, the first sliding frame 361 and the second sliding frame 362 are connected in a sliding manner to the sliding bar 33, the two sliding grooves 313 respectively arranged on two sides of the sliding bar 33 are formed in the bagging frame 31, the upper bagging racks 351 and the lower bagging racks 352 are respectively arranged in the two sliding grooves 313, the first sliding frame 361 and the second sliding frame 362 are respectively connected with the lower bagging racks 352 and the upper bagging racks 351, and the first sliding frame 361 and the second sliding frame 362 are respectively pressed on the upper bagging racks 351 and the lower bagging racks 352, so that the upper bagging racks 351 and the lower bagging racks 352 are blocked in the sliding grooves 313 by the first sliding frame 361 and the second sliding frame 362, the bag straightening frame 31 cannot be separated, the sliding bars 33 are not required to be respectively arranged for the upper bagging racks 351 and the lower bagging racks 352, the number of the sliding bars 33 is reduced, and the cost is reduced.

The seal handling and transferring device 40 is located between the seal feeding device 25 and the corner shearing machine 50, and is used for fixing the product 100 stopped at the hot cutting position before the bag stroking device 30 opens the bag film, avoiding the product 100 from moving when opening the packaging film 200 and hot cutting the seal, enabling the bag film sleeved on the product 100 to be accurately sealed, and handling the product 100 from the seal feeding device 25 to the corner shearing machine 50. As shown in fig. 13, the sealing transfer device 40 includes a carrier 41, a horizontal carrier drive mechanism 42 fixed to the carrier 41, a movable frame 43 connected to the horizontal carrier drive mechanism 42, a lifting carrier drive member 44 mounted to the movable frame 43, and a carrier clamp mechanism 45 connected to the lifting carrier drive member 44, the carrier clamp mechanism 45 including a carrier clamp drive assembly 46 connected to the lifting carrier drive member 44 and two carrier clamp plates 47 connected to the carrier clamp drive assembly 46, the carrier clamp drive assembly 46 being for driving the two carrier clamp plates 47 to clamp the product 100. When the product 100 is carried, the carrying and clamping mechanism 45 is driven by the horizontal carrying driving mechanism 42 and the lifting and lowering driving member 44 to approach the product 100, then the carrying and clamping mechanism 45 clamps the product 100, and after the product 100 is clamped, the horizontal carrying driving mechanism 42 and the lifting and lowering driving member 44 drive the carrying and clamping mechanism 45 to carry the product 100 to the corner shearing machine 50.

In one embodiment, as shown in fig. 14, the sides of the two carrying boards 47 facing each other are provided with elastic pads 471 for buffering the impact force of the carrying boards 47 on the product 100 when contacting the product 100, so as to avoid the carrying boards 47 from damaging the product 100. The elastic pad 471 is adhered to the carrying clamping plate 47 by glue or glue. One of the elastic pads 471 is provided with a receiving hole 472, the receiving hole 472 is internally provided with a pressure sensor 48 fixed on the carrying clamping plate 47, the pressure sensor 48 is used for measuring the force of the carrying clamping plate 47 for clamping the product 100, when the pressure sensor 48 measures that the force of the carrying clamping plate 47 clamped on the product 100 reaches the specified force, the carrying clamping driving assembly 46 stops working, and the clamping mechanism 45 can selectively apply proper clamping force on the product 100 according to the softness of the product 100, so that the product 100 is not easy to squeeze and deform, and the product 100 is not easy to separate from the clamping mechanism 45 in the carrying process.

The waste film treatment device 24 is located at a side of the hot cutting and sealing device 22 away from the sealing and feeding device 25, and is used for clamping the waste film thermally cut from the bag film by the hot cutting and sealing device 22, so that the waste film is prevented from being stuck on the hot cutting knife 223, and the hot cutting and sealing of the following bag film by the hot cutting knife 223 are prevented.

Referring to fig. 15, the material sucking rotary transfer device 26 is disposed corresponding to the film sleeving machine 10, the material sucking rotary transfer device 26 includes a rotary mounting bracket 261 fixed on the sealing workbench 21, a rotary member 262 and a rotary driving member 266 mounted on the rotary mounting bracket 261, and a suction member 265 disposed on the rotary member 262, the rotary member 262 includes a first rotary plate 263 and a second rotary plate 264 vertically connected, a product placement cavity is formed between the first rotary plate 263 and the second rotary plate 264, the suction member 265 is mounted on the first rotary plate 263, and the rotary driving member 266 is connected with the second rotary plate 264. When the product placement cavity faces the discharge end of the film coating and sealing device of the film coating machine 10, the first rotary plate 263 is vertical and the second rotary plate 264 is horizontal. In operation, the suction member 265 generates suction force, the product 100 moving to the discharge end of the film sleeving and discharging device 18 moves into the product placing cavity under the suction force of the suction member 265 and is tightly absorbed by the suction member 265, and then the rotary driving member 266 drives the rotary member 262 to rotate 90 degrees towards the sealing and feeding device 25 with the product 100, so that the unsealed end of the bag film sleeved on the product 100 faces towards the hot-cut sealing device 22; when the product 100 is fully loaded onto the closure feed 25, the rotary drive 266 drives the rotary member 262 90 ° toward the sleeve take-off 18 for the next flip-over transfer of the product 100.

The specific working principle of the sealing machine 20 is as follows: referring to fig. 5, 6, 9, 10 and 20, the suction rotary transfer device 26 generates suction force to suck the product 100 moving to the outlet end of the film sleeving discharging device 18 of the film sleeving machine 10, and turns over the product 100, so that the non-closed end of the bag film sleeved on the product 100 faces the hot-cut sealing device 22, after the turning over, the suction force to the product 100 is removed by the suction rotary transfer device 26, the product 100 falls onto the seal feeding device 25, the seal feeding device 25 conveys the product 100 to the hot-cut sealing device 22, meanwhile, the bag straightening device 30 moves to the hot-cut sealing position, and when the product 100 moves to the hot-cut sealing position, the bag straightening device 30 passes through the non-closed end of the bag film and enters the product 100 in the packaging bag, so that the product 100 stops at the hot-cut position; subsequently, the seal carrying and transferring device 40 clamps and fixes the product 100, so that the product 100 does not move; subsequently, the bag stroking device 30 spreads open the unsealed end of the bag film to form corners at the unsealed end of the packaging bag, and then the sealing hot-cutting driving mechanism 221 of the hot-cutting sealing device 22 drives the sealing hot-cutting mechanism 222 and the bag supporting mechanism 227 to approach the bag film until the distance between the sealing hot-cutting mechanism 222 and the bag supporting mechanism 227 is a first designated distance; then, the bagging device 30 withdraws from the bag; after the bag stroking device 30 withdraws from the bag film, the sealing hot cutting driving mechanism 221 drives the sealing hot cutting mechanism 222 and the bag supporting mechanism 227 to be completely folded, so that the hot cutting sealing of the bag film is realized; after the hot-cutting and sealing is completed, the waste film processing device 24 firstly removes the waste film cut by heat, then the sealing hot-cutting driving mechanism 221 drives the sealing hot-cutting mechanism 222 and the bag supporting mechanism 227 to separate and return to the original positions, and finally the sealing conveying and transferring device 40 conveys the product 100 to the corner shearing machine 50.

Referring to fig. 16, the corner cutting machine 50 includes a corner cutting transfer device 51, two stop devices 80 mounted on the corner cutting transfer device 51, a corner cutting feeding device 52, a corner cutting discharging device 53 and two cutting devices 54 located at one side of the corner cutting transfer device 51; the two shearing devices 54 are positioned between the shearing angle feeding device 52 and the shearing angle discharging device 53 and are arranged in parallel, wherein one group of shearing devices 54 shear the residual material angles at two ends of one side of the product 100, and the other group of shearing devices 54 shear the residual material angles at two ends of the other side of the product 100; the feeding end of the corner cutting feeding device is arranged corresponding to the sealing conveying and transferring device 40 of the sealing machine 20, so that the sealing conveying and transferring device 40 conveys the sealed product 100 to the corner cutting feeding device 52; the shear angle feed 52 is used to transport the product 100 adjacent to the shear 54; the shear angle transferring device 51 is used for transferring the product 100 at the positions of the shear angle feeding device 52, the two shearing devices 54 and the shear angle discharging device 53; the stop devices 80 are arranged in one-to-one correspondence with the shearing devices 54 and are used for positioning the products 100 carried on the shearing devices 54.

Referring to fig. 17 and 18 again, the angle mechanism 60 includes an angle frame 61, a two-angle clamping assembly 63 slidably disposed on the angle frame 61, and a first driving assembly 62 connected to the two-angle clamping assembly 63, wherein the first driving assembly 62 is used for driving the two-angle clamping assembly 63 to be close to or far away from each other.

The triangular clamping components 63 are symmetrically arranged. The corner clamp assembly 63 includes a base 64 slidably mounted on the angled housing 61, a riser 65 and a clamp plate drive mounted on the base 64, and a clamp plate 66 mounted on the clamp plate drive. The base 64 is also provided with a pushing cylinder 67, and the pushing cylinder 67 is used for driving the clamping plate driving member to be close to or far away from the vertical plate 65. The riser 65 is provided with the slipmat towards the one side of clamping plate 66, is favorable to improving the stability of clamping product 100 clout angle.

The clamp plate drive is used to drive the clamp plate 66 toward or away from the riser 65. The clamping plate driving member comprises a bottom plate 681 slidably arranged on the base 64, a rotating shaft 682 pivoted on the bottom plate 681, a clamping gear 684 sleeved on the rotating shaft 682, a clamping rack 685 meshed with the clamping gear 684, a clamping cylinder 683 connected with the clamping rack 685, and a guide block 686 arranged on the base 64.

One end of the bottom plate 681 is connected with the pushing cylinder 67, the pushing cylinder 67 pushes and pulls the bottom plate 681 to be close to or far away from the vertical plate 65, and then the parallel distance between the clamping plate 66 and the vertical plate 65 is adjusted, so that the parallel distance between the clamping plate 66 and the vertical plate 65 can be adjusted by pushing and pulling the bottom plate 681 through the pushing cylinder 67 according to the thickness of the residual material angle, and the application range of the included angle mechanism 60 is improved.

The guide block 686 is provided with a guide groove, and the clamping rack 685 is slidably arranged in the guide groove. One end of the clamping plate 66 is sleeved on the rotating shaft 682; specifically, the clamping plate 66 includes a swinging portion 661 sleeved on the rotating shaft 682 and a clamping portion 662 connected to the swinging portion 661; the clamping part 662 corresponds to the vertical plate 65, the effect of clamping the waste angle is realized through the interaction of the clamping part 662 and the vertical plate 65, and the clamping part 662 corresponds to the anti-slip pad when clamping the waste angle; in the present embodiment, the clamping portion 662 is provided in a triangle shape, and when clamping the scrap angle, the clamping portion 662 is provided in parallel with the vertical plate 65 toward one side of the vertical plate 65; further, the clamping portion 662 is provided with an anti-slip groove 313 on a side facing the vertical plate 65, which is beneficial to improving the stability of the residual angle of the clamped product 100.

When the clamping driving piece works, the clamping cylinder 683 pushes and pulls the clamping rack 685 to perform linear motion along the guide groove of the guide block 686, the clamping rack 685 drives the clamping gear 684 to rotate, the clamping gear 684 drives the rotating shaft 682 to rotate, and the rotating shaft 682 drives the clamping plate 66 to be far away from or close to the vertical plate 65.

When the included angle mechanism 60 is used, the product 100 is placed between the two corner clamping components 63, and the residual material angles at two ends of one side of the product 100 are respectively positioned between the vertical plate 65 and the material clamping plate 66 on the two corner clamping components 63; the clamping cylinder 683 drives the clamping plate 66 to be far away from or close to the vertical plate 65 through the clamping rack 684, the clamping gear 685 and the rotating shaft 682; when the clamping plate 66 is close to the vertical plate 65, the clamping plate 66 and the vertical plate 65 are mutually matched to realize the function of clamping the residual material angle of the product 100, and the corner cutting mechanism 70 cuts off the clamped residual material angle; after the cutting of the excess material angle, when the material clamping plate 66 is far away from the vertical plate 65, the cut excess material angle is discharged from between the material clamping plate 66 and the vertical plate 65.

Referring again to fig. 19, the corner cutting mechanism 70 includes an adjusting component 71, two cutting components 77 slidably disposed on the adjusting component 71, and a second driving component 76 connected to the two cutting components 77, wherein the second driving component 76 is connected to the adjusting component 71.

The adjustment assembly 71 is used to urge the cutting assembly 77 toward or away from the corresponding corner clamp assembly 63. The adjusting component 71 comprises two bases 72, a bottom block 73 slidably arranged on the two bases 72, and an adjusting driving unit 74 connected with the bottom block 73; the adjustment drive unit 74 drives the base plate 681 toward or away from the corresponding corner clamp assembly 63 to adjust the distance between the cutting assembly 77 and the corner clamp assembly 63.

The two cutting assemblies 77 are symmetrically arranged, a storage plate 78 is arranged between the two cutting assemblies 77, the storage plate 78 is used for storing a product 100 to be cut, and a partition 79 is arranged at one end of the storage plate 78.

The second driving component 76 is used for driving the two cutting components 77 to be close to or far away from each other, so as to adjust the distance between the two cutting components 77 to adapt to products 100 with different sizes.

When the corner cutting mechanism 70 is used, the distance between the two cutting assemblies 7772 is adjusted through the second driving assembly 76 according to the size of the product 100; the product 100 is placed on the placement area, two end angles at one side of the product 100 correspond to the channel openings of the two cutting assemblies 77 respectively, and the included angle mechanism 60 clamps the surplus material angles of the packaging film 200 of the product 100; each cutting assembly 77 is activated, and the cutting assembly 77 performs hot-cut edge sealing on the remaining corners of the packaging film 200 on the product 100.

Referring again to fig. 16, the stop device 80 includes a stop plate 81 and a stop plate driving assembly 82 connected to the stop plate 81, wherein the stop plate 81 is located at one end of the storage plate 78 far away from the partition 79, and the stop plate 81 and the partition 79 are clamped and matched with each other to position the product 100 on the storage plate 78. The baffle drive assembly 82 is used to drive the baffle 81 away from or toward the baffle 79. When the product 100 to be cut is placed on the storage plate 78, the driving member of the baffle 81 drives the baffle 81 to approach the storage plate 78, so that the baffle 81 is located at one side of the product 100 away from the partition 79, and the rear driving member drives the baffle 81 to approach the partition 79, so that the baffle 81 cooperates with the partition 79 to clamp the product 100, and the product 100 is positioned on the storage plate 78. After the product 100 is cut, the baffle 81 driving piece drives the baffle 81 to reset, and the next working instruction is waited.

The corner cutting feed device 52 is connected with the object placing plate 78 of the upstream cutting device 54, and is used for conveying the product 100 to be cut to the object placing plate 78, and the corner cutting discharge device 53 is connected with the object placing plate 78 of the downstream cutting device 54, and is used for conveying the product 100 after corner cutting to the next procedure.

The working principle of the angle shearing machine 50 is specifically as follows: referring to fig. 16 to 20, after the bag film of the packaged product 100 is sealed, the seal transporting and transferring device 40 of the sealing machine 20 transports the product 100 to the corner cutting and feeding device 52, and the corner cutting and feeding device 52 transports the product 100 to approach the cutting device 54; when the product 100 approaches the shearing device 54, the shearing angle transferring device 51 conveys the product 100 from the shearing angle feeding device to the object placing plate 78 of the upstream shearing device 54, and the angle clamping assemblies 63 on the upstream shearing device 54 are started, and the angle clamping assemblies 63 respectively clamp the excess material angles at two ends of one side of the product 100; starting a cutting assembly 77 on the upstream shearing device 54, and performing hot cutting edge sealing on the residual material corners clamped by the clamping assembly 63 by the cutting assembly 77 respectively to realize corner cutting on two ends of one side of the bag film; after the side cutting is completed, the corner cutting transfer device 51 conveys the product 100 to the object placing plate 78 of the downstream cutting device 54; starting the angle clamping assemblies 63 on the upstream shearing device 54, wherein the angle clamping assemblies 63 respectively clamp the residual material angles at two ends of the other side of the product 100; starting a cutting assembly 77 on the upstream shearing device 54, and performing hot cutting edge sealing on the residual material angles clamped by the diagonal clamping assemblies 63 by the cutting assembly 77 respectively; at this time, the four corners of the product 100 are cut, and the product 100 is packaged; thereafter, the corner cut transfer device 51 conveys the product 100 with all the corners cut to the corner cut discharging device 53, and the corner cut discharging device 53 conveys the packaged product 100.

Referring to fig. 20, a packaging flow chart of the product 100 of the present invention is shown in the following schematic steps:

the process is as follows: separating the double-layered packaging films 200 by a film sleeving machine 10 to form a U-shaped channel of the packaging films 200, placing the product 100 in the U-shaped channel by the film sleeving machine 10, pressing films on two sides of the product 100 on the product 100 by the film sleeving machine 10, and hot-cutting and sealing the unsealed packaging film 200 parts on two opposite sides of the product 100 by the film sleeving machine 10 to form a bag film with only one unsealed end;

a second flow: the only one non-closed end of the bag film sleeved on the product 100 is subjected to hot cutting by the sealing machine 20 so that the only one non-closed end of the bag film is sealed;

and a process III: the leftover bits and pieces at the two ends of one side of the bag film are cut off by a cutting device 54 of the corner cutting machine 50, and then the leftover bits and pieces at the two ends of the other side of the packaging bag are cut off by another cutting device 54 of the bag film, so that the product 100 is packaged.

According to the packaging machine, the corner shearing machine 50 is provided with the two groups of shearing devices 54, wherein one group of shearing devices 54 shears the residual material angles at two ends of one side of the product 100, and the other group of shearing devices 54 shears the residual material angles at two ends of the other side of the product 100, so that the residual material angles at two opposite sides of the product 100 are sheared in two steps, and even if the shearing of the previous group of shearing devices 54 is failed, the shearing effect of the other shearing device 54 on the residual material angles of the product 100 is not influenced, and the yield of the product 100 is improved; the baffle 81 and the baffle 79 are clamped and matched mutually to position the product 100 on the object placing plate 78, so that the positioning accuracy of the product 100 is improved, and the shearing quality of the product 100 is improved.

The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims

1. A packaging system comprising, in order from upstream to downstream:

the corner shearing machine is used for receiving the product sleeved with the sealed bag film and cutting off the residual material corners of the bag film, and comprises two shearing devices and two material blocking devices, wherein the two shearing devices are used for shearing the residual material corners on two sides of the bag film respectively; the shearing device comprises an included angle mechanism, an angle cutting mechanism positioned at one side of the included angle mechanism and a material blocking mechanism; the included angle mechanism comprises two symmetrically arranged angle clamping assemblies, the angle cutting mechanism comprises two symmetrically arranged cutting assemblies, and the cutting assemblies respectively correspond to the angle clamping assemblies; a storage plate is arranged between the two cutting assemblies, a partition plate is arranged on the storage plate, and the material blocking device comprises a baffle plate and a baffle plate driving assembly connected with the baffle plate; wherein,

The sealing machine comprises a sealing workbench, a hot-cutting sealing device, a sealing feeding device, a bag smoothing device, a carrying device and a waste film treatment device; the hot cutting sealing device, the sealing feeding device and the carrying device are all arranged on the sealing workbench, and the bag straightening device and the waste film treatment device are all arranged on the hot cutting sealing device;

the bag straightening device is positioned at one side of the hot-cutting sealing device, which is far away from the sealing feeding device, and is used for stretching the end part of the bag film before hot-cutting sealing so as to form corners at the end part of the bag film; the bag straightening device comprises a bag straightening frame arranged on a hot cutting frame and far away from the sealing feeding device, a pushing frame mechanism connected with the bag straightening frame, a push knife motor arranged on one side of the bag straightening frame far away from the sealing feeding device, a sliding strip arranged on one side of the bag straightening frame close to the sealing feeding device, a bag straightening upper rack and a bag straightening lower rack which are arranged in parallel, a push knife gear connected with an output shaft of the push knife motor, a first sliding frame and a second sliding frame which are connected with the sliding strip in a sliding mode, and a bag pulling knife respectively arranged on the first sliding frame and the second sliding frame; the bag straightening frame is provided with two sliding grooves and containing grooves, wherein the two sliding grooves are arranged on one side of the bag straightening frame, which is far away from the push-type knife motor, and the containing grooves are communicated with the sliding grooves, extend along the length direction of the bag straightening frame and are respectively positioned on two sides of the sliding strip, and the containing grooves are arranged corresponding to the sliding strip and are used for containing push-type knife gears.

2. The packaging system of claim 1, wherein the corner clip assembly comprises a base, a riser and a clip panel drive mounted on the base, and a clip panel mounted on the clip panel drive.

3. The packaging system according to claim 2, wherein the side of the riser facing the clamping plate is provided with a non-slip mat.

4. The packaging system of claim 2, wherein the clamping plate driving member comprises a bottom plate arranged on the base, a rotating shaft pivoted on the bottom plate, a clamping gear sleeved on the rotating shaft, a clamping rack meshed with the clamping gear, and a clamping cylinder connected with the clamping rack, and the clamping plate comprises a swinging part sleeved on the rotating shaft and a clamping part connected with the swinging part; the clamping part corresponds to the vertical plate.

5. The packaging system of claim 4, wherein the base plate is slidably disposed on the base, and a push cylinder is further disposed on the base and is connected to the base plate.

6. The packaging system of claim 1, wherein the angle mechanism further comprises a first drive assembly connecting two of the angle clamping assemblies, the first drive assembly being configured to drive the angle clamping assemblies toward or away from each other.

7. The packaging system according to claim 1, wherein the film sleeving machine comprises a product supply device, a pushing device, a film discharging device, a film separating device, a film pressing device, a packaging device and a film sleeving discharging device which are arranged in sequence from upstream to downstream; the product supply device is arranged corresponding to the film separating device and is used for supplying products to the film separating device; the pushing device is used for pushing the product from the film separating device to the packaging device; the discharge end of the mantle discharge device is arranged corresponding to the corner shearing machine.

8. The packaging system of claim 7, wherein the packaging device includes a film cutting mechanism downstream of the film pressing device, an angle setting mechanism above the film cutting mechanism, a product positioning mechanism downstream of the film cutting mechanism, and a film pulling mechanism above the product positioning mechanism, the product positioning mechanism bordering the film covering discharge device.

9. The packaging system of claim 1, wherein the capper includes a suction rotary transfer device disposed in correspondence of the film sleeving device; the bag straightening device and the waste film treatment device are positioned at one side of the hot cutting and sealing device, which is far away from the sealing feeding device; the sealing feeding device is positioned between the sealing feeding device and the material sucking rotary transferring device; the carrying device is positioned between the sealing feeding device and the corner shearing machine.

10. The packaging system of claim 9, wherein the suction rotary transfer device comprises a rotary mounting bracket, a rotary member and a rotary drive member mounted on the rotary mounting bracket, and a suction member disposed on the rotary member, the rotary drive member being coupled to the rotary member.