The strap of strapper send the band guidance device
Technical field
The utility model relates to the strapper field, relates in particular to the strap Work-feeding means of strapper.
Background technology
Strapper is the equipment with the strap strapping goods, strapper generally comprises and be responsible for to scald the sticking core device of shearing strap, the strap frame mounting around the whipping pitch of the laps, and what strapper also was provided with strap tension roller set and strap before movement sends on the band roller set.When strapper is changed strap, need strap to be passed to send on by hand to be with roller set to pass the tension roller set again, because the space in the strapper is narrow and small, wear very difficulty and time-consuming of band work.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of strap of the strapper of strapper self-threading tape of realizing and send the band guidance device.For this reason, the utility model is by the following technical solutions: it comprises preceding guiding block and the back guiding block between band roller set and the tension roller set of sending on that is in strapper, guiding block is connected with the band roller set that sends on of strapper before described, described back guiding block is connected with the tension roller set of strapper, and described Work-feeding means also comprises the strap stay bearing plate that cooperates with preceding guiding block and back guiding block.Owing to adopt the technical solution of the utility model, the utility model is simple in structure, do not increase the equipment volume of strapper, do not influence other device of strapper in strapper in-to-in layout and installation, when strap enter send the band roller set after, open feed roller, guidance device can be directed to strap the tension roller set, realize the strap self-threading tape, avoided adopting the manual trouble of wearing band and bringing in the past.
Description of drawings
Fig. 1 is in the scheme drawing of the structure of strapper one side for a kind of embodiment of the utility model.
Fig. 2 removes scheme drawing behind the stay bearing plate for Fig. 1.
Fig. 3 is in the scheme drawing of the structure of strapper opposite side for embodiment shown in Figure 1.
Fig. 4 looks enlarged drawing for the master of structure shown in Figure 2.
The specific embodiment
With reference to accompanying drawing.The utility model comprise be in strapper send on band roller set 1 and preceding guiding block 3 and the back guiding block 4 of tension between the roller set 2, guiding block is connected with the band roller set that sends on of strapper before described, described back guiding block is connected with the tension roller set of strapper, and described Work-feeding means also comprises the strap stay bearing plate 5 that cooperates with preceding guiding block and back guiding block.Like this, when strap enter send on the band roller set after, can under the drive that send on the band roller set,, arrive and pass the tension roller set through by the guiding channel between preceding guiding block 3 and back guiding block 4 and the stay bearing plate 5, finish the strap self-threading tape.
Described preceding guiding block is rotatable, and described preceding guiding block makes cohesive end generation lifting when guiding block rotates with the shape that sends on band roller set cohesive end 31.Like this, can further help self-threading tape work.In the present embodiment, described preceding guiding block and the dipping and heaving interlock that sends on the liftable roller 11 in the band roller set.As shown in Figure 3, drawing reference numeral 32 is the axle of preceding guiding block, drawing reference numeral 111 is the axle of liftable roller 11, axle 32 and axle 111 are connected on the fork 6, like this, wear when band when moving fork 6 lifting liftable rollers 11, cohesive end 31 liftings of guiding block before driving simultaneously make things convenient for the self-threading tape operation.
In the present embodiment, described stay bearing plate is the cover plate of preceding guiding block and back guiding block, the integral body of guiding block and back guiding block before this cover plate can cover, also can be as shown in the figure, the guiding position and on every side of guiding block and back guiding block before only covering, described stay bearing plate is the energy displacement on the fore-and-aft direction of strapper, described guidance device is provided with the spring 7 that compresses stay bearing plate on this direction, like this, when strapper moves back band tension operation, cover plate can be retreated strap and be backed down automatically, guarantees that next periodical duty finishes smoothly.
In the drawings, drawing reference numeral 8 is the adapter plate in the strapper, and take-up device is mounted thereon.