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CN-224211319-U - Compact structure's PET area is tied up core

CN224211319UCN 224211319 UCN224211319 UCN 224211319UCN-224211319-U

Abstract

The utility model discloses a PET (polyethylene terephthalate) strapping machine core with a compact structure, which belongs to the technical field of packaging machinery and comprises a frame component, a tightening mechanism, a material belt feeding track, a high-tension wheel component, a feeding wheel component, a cam driving device, a cam transmission component, a detection mechanism and a friction servo motor, wherein the tightening mechanism is rotationally connected with the frame component, the material belt feeding track penetrates through the tightening mechanism and is positioned at the top of the high-tension wheel component, the feeding wheel component is positioned below the high-tension wheel component, the cam driving device is positioned at the right side of the frame component and is connected with the frame component, the cam transmission component is positioned in the frame component, the cam transmission component is connected with the cam driving device, and the detection mechanism is connected with the frame component. The utility model has compact structure, realizes the key actions of precisely coordinating the compaction, the tightening, the cutting and the welding by taking the cam system as the leading part, and improves the automation degree, the stability and the bundling quality of the bundling operation.

Inventors

  • ZHANG ZHIYONG
  • CUI CHEN
  • ZHOU CHENG

Assignees

  • 武汉市美奇斯智能科技有限公司

Dates

Publication Date
20260508
Application Date
20250623

Claims (10)

  1. 1. The PET strapping machine core is characterized by comprising a frame assembly (100), a tightening mechanism (200), a material strap feeding track (300), a high-pulling wheel assembly (400), a feeding wheel assembly (500), a cam driving device (600), a cam transmission assembly (700), a detection mechanism (800) and a friction servo motor (900), wherein the tightening mechanism (200) is rotationally connected with the frame assembly (100), the material strap feeding track (300) penetrates through the tightening mechanism (200) and is positioned at the top of the high-pulling wheel assembly (400), the feeding wheel assembly (500) is positioned below the high-pulling wheel assembly (400), the cam driving device (600) is positioned at the right side of the frame assembly (100) and is connected with the high-pulling wheel assembly, the cam transmission assembly (700) is positioned inside the frame assembly (100), the cam transmission assembly (700) is connected with the cam driving device (600), and the detection mechanism (800) is connected with the frame assembly (100).
  2. 2. The compact PET strapping machine core of claim 1, wherein the frame assembly (100) comprises a case (110), a connecting shaft (120), a high tension support plate (130), a door assembly (140), a big fin assembly (150), a small fin assembly (160) and a top side displacement buffer structure (170), the connecting shaft (120) is connected with the case (110), the high tension support plate (130) is connected with the case (110), the connecting shaft (120) penetrates through the high tension support plate (130), the door assembly (140) is positioned at the front part of the case (110) and is connected with the case, and the top side displacement buffer structure (170) is positioned at the top of the case (110) and is connected with the case.
  3. 3. The compact PET strapping machine core of claim 2, wherein the tightening mechanism (200) comprises a tightening connection plate (210), a tightening pressure plate, a tightening wheel (220) and a tightening gear (230), the tightening connection plate (210) is of an L-shaped structure, and the connection shaft (120) penetrates through the tightening connection plate (210).
  4. 4. A compact PET strapping machine core as in claim 3 wherein the strap track opening slot is provided in the top of the cinching strap (210) through which the strap feed track (300) extends through the cinching strap (210), the strap feed track (300) being fixedly connected to the case (110), the strap feed track (300) being of arcuate configuration.
  5. 5. The PET strapping machine core with compact structure according to claim 3, wherein the high-tension wheel assembly (400) comprises a high-tension servo motor (410), a high-tension speed reducer (420), a high-tension wheel (430) and a high-tension gear (440), one end of the high-tension speed reducer (420) is connected with the high-tension servo motor (410), the other end of the high-tension speed reducer is fixedly connected with the box body (110), and an extension shaft of the high-tension speed reducer (420) sequentially penetrates through the high-tension wheel (430), the high-tension gear (440) and the high-tension support plate (130) and is connected with the high-tension support plate (130) through a bearing, and the modulus of the high-tension gear (440) corresponds to that of the tightening gear (230).
  6. 6. The compact PET strapping machine core of claim 5, wherein the feed roller assembly (500) includes a feed roller (510), a feed servo motor (520) and a tensioning mechanism (530), the feed servo motor (520) is fixedly connected with the case (110), an extension shaft of the feed servo motor (520) penetrates through the feed roller (510) and is connected with the frame assembly (100) through a bearing, and the tensioning mechanism (530) is located at the left side of the feed roller (510) and adjusts the pressure borne by the PET strap through the tensioning mechanism (530).
  7. 7. The compact PET strapping machine core as in claim 6, wherein the cam drive device (600) comprises a cam servo motor (610), a cam reducer (620), a driving pulley (630), a driven pulley (640) and a first belt (650), wherein one end of the cam reducer (620) is connected with the cam servo motor (610), the other end is fixedly connected with the case (110), an extension shaft of the cam reducer (620) penetrates through the driving pulley (630) and is fixedly connected with the driving pulley through a key, and the driving pulley (630) drives the driven pulley (640) to rotate through the first belt (650).
  8. 8. The compact PET strapping machine core of claim 7, wherein the cam transmission assembly (700) comprises a transmission shaft (710), a first cam (720), a second cam (730), a third cam (740), a fourth cam (750), a fifth cam (750 a), a left pressing blade (760), a middle pressing blade (770), a right pressing blade (780) and a blade cavity (790), wherein the right end of the transmission shaft (710) penetrates through the driven pulley (640) and is fixedly connected with the driven pulley through a key, the transmission shaft (710) penetrates through and is connected with the first cam (720), the second cam (730), the third cam (740), the fourth cam (750) and the fifth cam (750 a) in sequence from left to right, the left pressing blade (760) is arranged below the second cam (730), the middle pressing blade (770) is arranged below the third cam (740), the right pressing blade (780) is arranged below the fourth cam (750), and the right pressing blade (780) is connected with the left pressing blade (790) and the right pressing blade (790) in the same direction as the right pressing blade (110).
  9. 9. The PET strapping machine core with a compact structure as in claim 8, wherein the medium-pressure knife (770) comprises a cutting knife (771) and a friction head (772), wherein the cutting knife (771) is located at the left side of the friction head (772), the lowest point of the cutting knife (771) is higher than the lowest point of the friction head (772), the friction servo motor (900) is fixedly connected with the box body (110), and the friction servo motor (900) is connected with the friction head (772) through a second belt, a friction pulley and an eccentric structure, and continuous rotation of the friction servo motor (900) drives the friction head (772) to reciprocate in the front-back direction.
  10. 10. The compact PET strapping machine core of claim 9 wherein the detection-in-place mechanism (800) includes a detection block (810) and an in-place photosensor (820), the in-place photosensor (820) being located on top of the detection block (810).

Description

Compact structure's PET area is tied up core Technical Field The utility model belongs to the technical field of boom cranes, and particularly relates to a PET (polyethylene terephthalate) strapping machine core with a compact structure. Background At present, in the field of goods packaging, a strapping machine is widely used for strapping and fixing goods, wherein the traditional mode is to use a steel belt to be matched with a metal buckle for strapping, and the buckle type steel belt strapping machine head is widely applied, but the defects are increasingly remarkable. Firstly, the steel belt and the metal buckle are used as consumable materials, the material cost is relatively high, secondly, the steel belt is connected by adopting a steel nail stamping mechanism or a complex buckling mechanism, the buckling process is time-consuming and low in speed, the high-rhythm production requirement is difficult to meet, furthermore, the complex buckling mechanical structure not only increases the manufacturing cost of equipment, but also causes the subsequent maintenance and repair work to become difficult, and in order to overcome the defect of steel belt binding, the industry gradually turns to using PET belts as alternative schemes. However, in order to realize a series of complex actions such as belt feeding, tightening, compacting, welding and cutting, the baling machine head in the prior art often depends on a plurality of independent driving sources (such as motors and air cylinders) and a complex control system, and has the problems of insufficient structure, long transmission chain, multiple fault points, low action time sequence matching precision and the like, and particularly has obvious technical blank in the aspects of how to realize centralized and time sequence control of a plurality of core actions by a single power source through exquisite mechanical design, how to perform precise speed and moment control on the belt feeding and pull-back tightening processes and the like. Disclosure of utility model Aiming at the defects of the prior art, the utility model aims to provide the PET strapping machine core with a compact structure, which effectively solves the problems that a plurality of independent driving sources and a complex control system are often relied on in order to realize a series of complex actions such as belt feeding, tightening, compacting, welding, cutting and the like of a strapping machine head in the prior art, the structure is not compact enough, the transmission chain length is long, the fault points are many, the action time sequence matching precision is not high and the like, and particularly, the prior art still has obvious technical blank problems in the aspects of realizing the centralized and time sequence control of a single power source on a plurality of core actions, the accurate speed and moment control on the belt feeding and the back-pulling tightening process and the like through the exquisite mechanical design. The technical scheme is that the PET strapping machine core comprises a frame component, a tightening mechanism, a material strap feeding track, a high-tension wheel component, a feeding wheel component, a cam driving device, a cam transmission component, a detection position mechanism and a friction servo motor, wherein the tightening mechanism is rotatably connected with the frame component, the material strap feeding track penetrates through the tightening mechanism and is positioned at the top of the high-tension wheel component, the feeding wheel component is positioned below the high-tension wheel component, the cam driving device is positioned at the right side of the frame component and is connected with the right side of the frame component, the cam transmission component is positioned in the frame component, the cam transmission component is connected with the cam driving device, and the detection position mechanism is connected with the frame component. Preferably, the frame assembly comprises a box body, a connecting shaft, a high-tension supporting plate, a cabin door assembly, a big fin assembly, a small fin assembly and a top side displacement buffer structure, wherein the connecting shaft is connected with the box body, the high-tension supporting plate is connected with the box body, the connecting shaft penetrates through the high-tension supporting plate, the cabin door assembly is positioned at the front part of the box body and is connected with the box body, and the top side displacement buffer structure is positioned at the top of the box body and is connected with the box body. Preferably, the tightening mechanism comprises a tightening connecting plate, a tightening pressing plate, a tightening wheel and a tightening gear, wherein the tightening connecting plate is of an L-shaped structure, and the connecting shaft penetrates through the tightening connecting plate. Preferably, a material belt track open slot is formed in the to