Product Packaging Tape Winding Device and Product Packaging System

Abstract

A product packaging tape winding device includes a moving bracket, a rotating shaft which is rotatably mounted on the moving bracket, and two groups of reels. The rotating shaft has two shaft parts extending from both sides of the moving bracket. The two groups of reels are installed on respective ones of the two shaft parts of the rotating shaft to rotate with the rotating shaft. The device is adapted such that when one group of reels has been fully wound with the product packaging tape, the moving bracket is moved to move the one group of reels from a working position to a standby position and move the other group of reels from the standby position to the working position, so as to continue winding the product packaging tape with the other group of reels.

What is claimed is: 
     
         1 . A product packaging tape winding device, comprising:
 a moving bracket;   a rotating shaft rotatably mounted on the moving bracket and has two shaft parts extending from both sides of the moving bracket; and   two groups of reels, each group of reels installed on a respective one of the two shaft parts of the rotating shaft to rotate with the rotating shaft, the device is adapted such that when one group of reels has been fully wound with the product packaging tape, the moving bracket is moved to move the one group of reels from a working position to a standby position and move the other group of reels from the standby position to the working position.   
     
     
         2 . The product packaging tape winding device according to  claim 1 , wherein after one group of full reels that has been fully wound with the product packaging tape is moved to the standby position, the group of full reels is removed from the shaft part of the rotating shaft, and a group of empty reels is installed on the shaft part of the rotating shaft. 
     
     
         3 . The product packaging tape winding device according to  claim 1 , wherein each group of reels includes a plurality of reels arranged side by side, each reel has a mounting hole matched with the shaft part of the rotating shaft to install the reel on the shaft part of the rotating shaft. 
     
     
         4 . The product packaging tape winding device according to  claim 3 , further comprising two limit pieces detachably connected to ends of the two shaft parts of the rotating shaft and adapted to retain the two groups of reels on the two shaft parts of the rotating shaft. 
     
     
         5 . The product packaging tape winding device according to  claim 1 , wherein the moving bracket is moved in a first horizontal direction, and the rotating shaft is rotated around a horizontal axis parallel to the first horizontal direction. 
     
     
         6 . The product packaging tape winding device according to  claim 5 , further comprising a driving device adapted to drive the moving bracket to move in the first horizontal direction. 
     
     
         7 . The product packaging tape winding device according to  claim 6 , wherein the driving device includes:
 a fixed bracket on which the moving bracket is movably installed;   a drive motor fixedly installed on the fixed bracket; and   a transmission mechanism installed on the fixed bracket and connected with the drive motor and the moving bracket, the transmission mechanism is adapted to convert rotary motion of the drive motor into linear motion of the moving bracket.   
     
     
         8 . The product packaging tape winding device according to  claim 1 , further comprising an adhesive device adapted to apply an adhesive layer of a double-layer adhesive tape onto a front end and a rear end of a product packaging tape that will be coiled on the reel, wherein:
 when winding the front end part of the product packaging tape, the inner coil and the outer coil of the coiled front end part are bonded to each other by the adhesive layer on the front end of the product packaging tape to fix the front end part of the product packaging tape to the reel; and   when winding the rear end part of the product packaging tape, the inner coil and outer coil of the coiled rear end part are bonded to each other by the adhesive layer on the rear end of the product packaging tape to prevent the product packaging tape that has been coiled on the reel from loosening.   
     
     
         9 . The product packaging tape winding device according to  claim 8 , wherein the adhesive device includes:
 a mounting plate;   a supply reel rotatably mounted on the mounting plate and supplying the double-layer adhesive tape;   a recovery reel rotatably mounted on the mounting plate and recovering a base material layer of the double-layer adhesive tape;   a plurality of rollers rotatably mounted on the mounting plate and guiding the double-layer adhesive tape to run along a predetermined path; and   a drive mechanism installed on the mounting plate and driving the recovery reel to rotate.   
     
     
         10 . The product packaging tape winding device according to  claim 8 , wherein when the front end or the rear end of the product packaging tape is moved to a tape pasting station, the drive mechanism drags the double-layer adhesive tape to move synchronously with the product packaging tape to bond the adhesive layer of the double-layer adhesive tape onto the front end or the rear end of the product packaging tape. 
     
     
         11 . The product packaging tape winding device according to  claim 10 , wherein when the adhesive layer has been bonded to the front end or the rear end of the product packaging tape, the drive mechanism stops dragging the double-layer adhesive tape, and the adhesive layer is broken under the pulling of the product packaging tape and is separated from the double-layer adhesive tape. 
     
     
         12 . The product packaging tape winding device according to  claim 11 , further comprising an adhesive tape separating device fixed on the mounting plate and having a wedge-shaped end, wherein:
 the double-layer adhesive tape is guided by the rollers through the wedge-shaped end of the adhesive tape separating device; and   when the adhesive layer has been bonded to the front end or the rear end of the product packaging tape, the adhesive layer is cut off by the edge of the wedge-shaped end under the pull of the product packaging tape to realize the separation of the adhesive layer from the double-layer tape.   
     
     
         13 . The product packaging tape winding device according to  claim 1 , further comprising a conveying device adapted to convey the product packaging tape loaded with products to the reel, including:
 a frame;   a conveying channel installed on the frame and extending to the reel; and   a drive unit installed on the frame to drive the product packaging tape to move along the conveying channel towards the reel.   
     
     
         14 . The product packaging tape winding device according to  claim 13 , wherein the drive unit includes:
 a gear rotatably mounted on the frame and having gear teeth adapted to engage with locating holes on the product packaging tape; and   a motor fixedly mounted on the frame and connected with the gear for driving the gear to rotate.   
     
     
         15 . The product packaging tape winding device according to  claim 14 , further comprising a tensioning device including:
 a mounting bracket rotatably mounted on the frame; and   a tensioning wheel rotatably mounted on the mounting bracket, wherein:
 the product packaging tape passes through the tensioning wheel, and the tensioning wheel applies a predetermined tension force on the product packaging tape by its own weight; and 
 the tensioning device is located between an outlet end of the conveying channel and the reel. 
   
     
     
         16 . The product packaging tape winding device according to  claim 14 , wherein the conveying channel extends along a second horizontal direction, and the reel rotates around a horizontal axis perpendicular to the second horizontal direction. 
     
     
         17 . The product packaging tape winding device according to  claim 13 , further comprising an identification device installed on the frame and adapted to identify a cutting part on the product packaging tape being transported. 
     
     
         18 . The product packaging tape winding device according to  claim 17 , further comprising a cutting device installed on the frame and adapted to cut off the cutting part to cut a continuous product packaging tape into multiple product packaging tapes with predetermined length. 
     
     
         19 . The product packaging tape winding device according to  claim 18 , wherein the product packaging tape includes cavities which are continuously arranged along the length direction of the product packaging tape and are adapted to contain the products. 
     
     
         20 . The product packaging tape winding device according to  claim 19 , wherein the identification device is adapted to identify an empty cavity on the product packaging tape without the product, and the cutting device is used to cut off the identified empty cavity.