Bale strapping apparatus
阅读：440发布：2024-01-05
专利汇可以提供Bale strapping apparatus专利检索，专利查询，专利分析的服务。并且The improved strapping apparatus comprising the present invention has been designed primarily in connection with the strapping of springy fibrous materials such as cotton or synthetic fibers while the same are held in bale form and under compression in the press box chamber of a baling press. The invention is however capable of other uses and strapping apparatus embodying the principles of the present invention may be found useful in connection with the strapping of a wide variety of other articles to which multiple strapping loops are to be applied at longitudinally spaced regions therealong. Irrespective however of the particular use to which the invention may be put, the essential features are at all times preserved.，下面是Bale strapping apparatus专利的具体信息内容。
1. In a strapping apparatus for successively applying strapping loops to an article at longitudinally spaced locations therealong, a framework establishing a strapping station, a guide chute section at each location for conducting strapping endwise across said station to establish a loop thereat, a longitudinally shiftable carriage on said framework, a strapping head mounted on said carriage for feeding lengths of strapping endwise into said chutes, means yieldingly baising said caRriage in one longitudinal direction along the framework to bring the strapping head into successive register with said chute sections for strap feeding purposes, and retractible limit stop means effective between the framework and carriage for arresting movement of the latter at each strapping region at such time as the strapping head moves into effective register with the chute section at such region.
1. In a strapping apparatus for successively applying strapping loops to an article at longitudinally spaced locations therealong, a framework establishing a strapping station, a guide chute section at each location for conducting strapping endwise across said station to establish a loop thereat, a longitudinally shiftable carriage on said framework, a strapping head mounted on said carriage for feeding lengths of strapping endwise into said chutes, means yieldingly baising said caRriage in one longitudinal direction along the framework to bring the strapping head into successive register with said chute sections for strap feeding purposes, and retractible limit stop means effective between the framework and carriage for arresting movement of the latter at each strapping region at such time as the strapping head moves into effective register with the chute section at such region.
2. In a strapping apparatus, the combination set forth in claim 1, wherein said retractible limit stop means comprises a plunger mounted on the carriage for movement between a projected and a retracted position, a plurality of longitudinally spaced impact surfaces on the framework and normally positioned in the path of movement of the plunger when the latter is projected and the carriage moves in said one direction, and means for moving said plunger between its projected and its retracted positions.
3. In a strapping apparatus, the combination set forth in claim 2, wherein said impact surfaces are individually retractible out of said path of movement of the projected plunger, and means are provided for selectively maintaining said impact surfaces in their retracted positions.
4. In a strapping apparatus, the combination set forth in claim 1, wherein said retractible limit stop means comprises a plunger mounted on the carriage for movement between a projected and a retracted positions, means normally maintaining said plunger in its projected position, a row of longitudinally spaced stop pins on the framework and normally positioned in the path of movement of the plunger when the latter is projected and the carriage moves in said one direction, and means automatically effective upon engagement of said plunger with each stop pin for momentarily retracting the plunger to restore the same from such engagement and immediately restoring it to its projected position for subsequent engagement with the next succeeding stop pin in the row.
5. In a strapping apparatus, the combination set forth in claim 4, wherein said plunger is provided with an anti-friction roller on its outer end, and each stop pin is formed with a planar impact surface which is normal to the direction of movement of the roller and which is designed for engagement with the latter.
6. In a strapping apparatus, the combination set forth in claim 4, wherein said stop pins are individually retractible out of the path of movement of the projected plunger, and detent means are provided for selectively maintaining said stop pins in their normal and their retracted positions.
7. Apparatus for successively applying strapping loops at longitudinally spaced locations to a bale of fibrous material which is maintained under compression within the press box of a baling machine by means of a fixed upper platen and a vertically reciprocable lower platen, said platens being provided with a pair of cooperating transversely extending upper and lower horizontal guide chute sections at each location for conducting strapping transversely across the press box during establishment of a loop, said apparatus comprising a longitudinally extending guide rail disposed above the press box, a carriage tractionally supported on said rail and having front and rear depending side legs which straddle the press box, a strapping head mounted on said front leg and having upper and lower vertical front chute sections thereon designed for successive register with said horizontal chute sections, a vertical rear chute section on said rear leg and likewise designed for successive register with said horizontal chute sections, said rear chute section being in transverse alignment with said front chute sections whereby simultaneous register of the front and rear chute sections with each pair of horizontal chute sections is attained and means for moving said carriage along said guide rail to bring said front and rear chute sections successively into register with the horizontal chute sections.
8. Apparatus for successively applying strapping loops tO a bale of fibrous material as set forth in claim 7, wherein said means for moving the carriage comprises an pneumatic means normally and yieldingly biasing said carriage in one longitudinal direction, releasable limit stop means effective between the carriage and guide rail for arresting movement of the former at such time as the front and rear chute sections assume positions of register with said horizontal chute sections.
9. Apparatus for successively applying strapping loops to a bale of fibrous material as set forth in claim 8, wherein said releasable limit stop means comprises a stop plunger mounted on said carriage for movement between a projected and a retracted position, and a row of longitudinally spaced stop pins mounted on said rail and normally positioned in the path of movement of said plunger when the latter is in its projected position, means normally maintaining said plunger in its projected position, and means automatically effective upon engagement of the plunger with a stop pin for momentarily retracting the plunger and immediately thereafter restoring the same to its projected position.
10. Apparatus for successively applying strapping loops at longitudinally spaced locations to an article positioned at a strapping action, a framework establishing said station, guide chutes at each location through which strapping material is adapted to be projected endwise to establish said loops, a carriage movable longitudinally on said framework, a strapping head mounted on said carriage and movable bodily therewith, means for shifting said carriage longitudinally in one direction to move the strapping head through the strapping station in linear fashion and bring the same into successive register with said guide chutes for projection of strapping material thereto and thereafter to shift the strapping head beyond said strapping station, and means automatically effective after said head has moved beyond said strapping station for shifting the same on said carriage to a position which is transversely offset from its longitudinal path of travel through the strapping station.
11. Apparatus as set forth in claim 10, wherein said strapping head is pivoted to the carriage for swinging movement about a horizontal axis, toward and way from said path of travel, and said automatically effective means constrains the head to swing away from said path of travel.
12. Apparatus as set forth in claim 10, wherein said automatically effective means comprises a link pivotally connected at one end to the carriage and on which the strapping head is fixedly mounted, and cam means effective between said framework and link for swinging the latter, and consequently the head, outwardly away from said path of travel.
13. Apparatus as set forth in claim 10, wherein said automatically effective means comprises an articulated four bar linkage system mounted on said carriage and including a fixed bar, a pair of swinging bars pivoted at their proximate ends to said fixed bar, and a rocker bar pivoted at its ends to the distal ends of the pivoted bars, said strapping head being mounted one one of said pivoted bars, and an abutment on said framework and engageable with the other pivoted bar for effecting articulation of the linkage system to thus shift the strapping head to said offset position.
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