CN213414340U - Strapping tape swing arm applied to paperboard strapping machine - Google Patents

Abstract

The utility model provides a be applied to strapping swing arm on cardboard strapper, includes swing arm frame, swinging boom mechanism, drive mechanism, drives drive mechanism's actuating mechanism, and swinging boom mechanism includes the spiral arm that can do the torsional motion on the swing arm frame, and drive mechanism includes the link assembly that can move back and forth on the swing arm frame, be equipped with linkage structure on the spiral arm, linkage structure's both ends difference universal connection is on spiral arm and link assembly. The utility model discloses be equipped with linkage structure on the spiral arm, the connecting rod realizes the linkage through linkage structure and spiral arm, drives the spiral arm and makes torsion motion and send into the strapping into in binding the mechanism. The length of the connecting rod can be greatly shortened in the mode, so that the problem that the connecting rod is bent due to swinging is avoided, and the phenomena of locking, action failure and the like of the mechanism are effectively prevented; meanwhile, the connecting rod can be directly connected with the second swinging plate through the third hinge shaft in the mode, so that the connecting cost is low, the problem of damage to the roller can be solved, and the connecting rod is suitable for wide popularization and application.

Description

Strapping tape swing arm applied to paperboard strapping machine

Technical Field

The utility model belongs to the technical field of the cardboard binding apparatus, concretely relates to be applied to strapping swing arm on cardboard strapper.

Background

The prior paperboard packing machine is generally provided with a strapping tape swing arm mechanism which can realize the function of twisting the strapping tape into the strapping mechanism so as to facilitate the strapping mechanism to strap the paperboard.

The prior strapping tape swing arm mechanism generally comprises a swing arm frame, a rotating arm mechanism, a transmission mechanism and a driving mechanism for driving the transmission mechanism, wherein the rotating arm mechanism comprises a rotating arm which can do twisting motion on the swing arm frame, the transmission mechanism comprises a connecting rod assembly which can move back and forth on the swing arm frame, and the rotating arm is directly connected with the connecting rod of the connecting rod assembly through a fisheye joint, so that the twisting motion is generated, and the function of twisting the strapping tape into the strapping mechanism is realized. However, the prior strapping tape swing arm mechanism has the following problems:

1. the spiral arm is directly connected with the fisheye joint on the connecting rod, and under the structure, the connecting rod needs to have enough length, so that the two ends of the connecting rod can swing greatly to realize the twisting action of the spiral arm, however, the connecting rod of the structure is easy to bend and deform, so that the phenomena of jamming, action failure and the like of the mechanism are caused.

2. Under the influence of the direct connection of the swing arm and the fisheye joint on the connecting rod, one end of the connecting rod needs to be rigidly connected with the second swinging plate through the roller of the roller seat to enable the second swinging plate to drive the connecting rod to move, and the mode has high movement cost and is easy to break down when the roller works for a long time.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a be applied to strapping swing arm on cardboard strapper.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a be applied to strapping swing arm on cardboard strapper, includes swing arm frame, swinging boom mechanism, drive mechanism, drives drive mechanism's actuating mechanism, and swinging boom mechanism is including the swing arm that can do the torsional motion on the swing arm frame, and drive mechanism is including the link assembly that can move back-and-forth on the swing arm frame, its characterized in that: the swing arm is provided with a linkage structure, and two ends of the linkage structure are respectively and universally connected to the swing arm and the connecting rod assembly.

In this embodiment, the linkage structure includes a linkage rod, a first universal head connected to the swing arm, and a second universal head connected to the link assembly, where the first universal head and the second universal head are respectively connected to two ends of the linkage rod.

In this embodiment, the transmission mechanism further includes a transmission assembly disposed on the swing arm frame, one end of the transmission assembly is connected and driven by the driving mechanism, and the other end of the transmission assembly is connected and driven by the driving link assembly to move.

In this embodiment, the connecting rod assembly includes a connecting seat provided on the swing arm frame and a connecting rod capable of moving back and forth on the connecting seat, one end of the connecting rod is connected to the second universal head, the other end of the connecting rod is connected and driven by the transmission assembly, and the connecting rod is provided with a return spring for returning after the connecting rod moves.

In this embodiment, the transmission assembly includes a first swing plate, a second swing plate, and a first connection plate, the first swing plate and the second swing plate are both disposed on the swing arm frame and can rotate relative to the swing arm frame, the first swing plate is connected and driven by the driving mechanism, the second swing plate is hinged to the connection rod, and two ends of the first connection plate are hinged to the first swing plate and the second swing plate, respectively.

In this embodiment, the driving mechanism includes a swing block capable of moving forward, backward, leftward and rightward on the swing arm frame, a sliding assembly disposed on the swing block, and a limiting plate in sliding contact with the sliding assembly to drive the swing block to move, and one end of the transmission assembly is fixedly connected to the swing block.

In this embodiment, the limiting plate is provided with a driving area, and the sliding assembly slides in the driving area.

In this embodiment, the driving region includes a first vertical plane, an inclined plane, and a third vertical plane sequentially connected from bottom to top.

In this embodiment, the swing arm frame is connected with a transmission device for driving the swing arm frame to move.

The utility model has the advantages that: the utility model discloses be equipped with linkage structure on the spiral arm, the connecting rod realizes the linkage through linkage structure and spiral arm, drives the spiral arm and makes torsion motion and send into the strapping into in binding the mechanism. The length of the connecting rod can be greatly shortened in the mode, so that the problem that the connecting rod is bent due to swinging is avoided, and the phenomena of locking, action failure and the like of the mechanism are effectively prevented; meanwhile, the connecting rod can be directly connected with the second swinging plate through the third hinge shaft in the mode, so that the connecting cost is low, and the problem of damage to the roller can be solved. To sum up, the utility model has the advantages of simple and reasonable structure, stability is high, can effectively avoid the part to damage, the mechanism card dies, the emergence of phenomenon such as action failure to guarantee that the spiral arm can be stable for a long time, work effectively, be fit for extensively popularizing and applying.

Drawings

The invention will be further explained with reference to the drawings and the embodiments below:

FIG. 1 is a first schematic structural diagram of a rotating arm mechanism;

FIG. 2 is a second schematic structural view of a rotary arm mechanism;

FIG. 3 is a schematic view of the structure of FIG. 2;

FIG. 4 is a third schematic structural view of a rotating arm mechanism;

FIG. 5 is a schematic view of the structure of FIG. 4 at B;

FIG. 6 is a schematic structural diagram of a limiting plate;

FIG. 7 is a first perspective view of the present embodiment;

fig. 8 is a second perspective view of the present embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-5, a strapping tape swing arm applied to a paperboard strapping machine comprises a swing arm frame, a rotating arm mechanism 1, a transmission mechanism 2 and a driving mechanism 3 for driving the transmission mechanism, wherein the swing arm frame comprises a first support rod 4 and a second support rod 5 arranged at the rear end of the first support rod 4. The rotating arm mechanism 1 comprises a fixed seat 11 connected to the first support rod 4 and a rotating arm 12 hinged to the fixed seat 11, of course, the rotating arm 12 can also be directly hinged to the first support rod 4, so that the rotating arm mechanism 1 only comprises the rotating arm 12 capable of performing twisting motion on the swing arm frame, and the purpose of twisting the strapping tape can also be achieved. Meanwhile, the transmission mechanism 2 comprises a connecting rod assembly capable of moving back and forth on the swing arm frame, and the connecting rod assembly is driven by the driving mechanism 3 to move back and forth on the swing arm frame. Furthermore, a linkage structure is arranged on the swing arm 12, and two ends of the linkage structure are respectively and universally connected to the swing arm 12 and the connecting rod assembly, so that transmission between the transmission mechanism 2 and the swing arm 12 is realized, and the transmission mechanism can be used for linking the swing arm 12 to twist on the swing arm frame.

Preferably, the linkage structure includes a linkage rod 6, a first universal head 7 connected to the swing arm 12, and a second universal head 8 connected to the linkage rod assembly, the first universal head 7 and the second universal head 8 are respectively connected to two ends of the linkage rod 6, and in this embodiment, the first universal head 7 is a fisheye joint, and the second universal head 8 is a floating joint; of course, the first universal head 7 and the second universal head 8 are not limited to the selection of this embodiment, and the first universal head 7 and the second universal head 8 may also be a telescopic universal joint, a single-joint universal joint, or a double-joint universal joint, and the purpose of universal transmission can also be achieved.

Preferably, as shown in fig. 2 to 5, the transmission mechanism 2 further includes a transmission assembly disposed on the swing arm frame, one end of the transmission assembly is connected and driven by the driving mechanism 3, and the other end of the transmission assembly is connected and drives the connecting rod assembly to move, so as to transmit the power output by the driving mechanism 3 to the connecting rod assembly, and enable the connecting rod assembly to link the swing arm 12 to move. Further, the connecting rod assembly comprises a connecting seat 24 arranged on the swing arm frame and a connecting rod 21 capable of moving back and forth on the connecting seat 24, one end of the connecting rod 21 is connected to the second universal head 8, the other end of the connecting rod 21 is connected and driven by a transmission assembly, and a return spring 25 for returning after the connecting rod 21 moves is arranged on the connecting rod. Still further, the transmission assembly includes a first swing plate 26, a second swing plate 27, and a first connection plate 28, where the first swing plate 26 and the second swing plate 27 are both disposed on the swing arm frame and can rotate relative to the swing arm frame, the first swing plate 26 is driven by the driving mechanism 3, the second swing plate 27 is hinged to the connection rod 21, and two ends of the first connection plate 28 are respectively hinged to the first swing plate 26 and the second swing plate 27, so as to implement the transmission operation of the transmission assembly.

In the above structure, the connecting seat 24 is disposed on the first support rod 4, one end of the connecting rod 21 passes through the connecting seat 24 and is connected with the second universal joint 8, the other end of the connecting rod 21 is provided with the hinge seat 23, and the second swinging plate 27 is hinged with the hinge seat 23 through the third hinge shaft 2 c; of course, the other end of the connecting rod 21 can also be directly hinged with the second swinging plate 27 through the third hinge shaft 2c, so that the additional hinge seat 23 is not needed, and the cost is reduced. In addition, the right end of the second swinging plate 27 is provided with a hinge hole matched with the third hinge shaft 2c, and the third hinge shaft 2c passes through the hinge hole and the hinge seat 23 to enable the second swinging plate 27 to be hinged on the hinge seat 23. In this embodiment, the return spring 25 is sleeved on the connecting rod 21 and located between the hinge seat 23 and the connecting seat 24, so that when the transmission assembly loses power, the return spring 25 drives the connecting rod 21 to return.

Preferably, the transmission assembly further includes a mounting seat 22 disposed on the swing arm frame, so that the present embodiment further has the following structure: the mounting seat 22 is disposed on the second support rod 5, the first swing plate 26 is hinged to the left end of the mounting seat 22 through a first hinge shaft 2a, and the second swing plate 27 is hinged to the right end of the mounting seat 22 through a second hinge shaft 2 b. Meanwhile, the transmission assembly further comprises a second connecting plate 29, two ends of the second connecting plate 29 are respectively hinged to the first hinge shaft 2a and the second hinge shaft 2b, and the first connecting plate 28 and the second connecting plate 29 are arranged in a crossed manner, so that the stability of the action of the transmission mechanism 2 is enhanced.

In the present embodiment, the mounting seat 22 has a U-shaped cross section, so that the mounting seat 22 includes a left boss 221 and a right boss 222 which are arranged at an interval, the first swinging plate 26 is hinged on the left boss 221 of the mounting seat 22 through a first hinge shaft 2a, and the second swinging plate 27 is hinged on the right boss 222 of the mounting seat 22 through a second hinge shaft 2b, so as to reduce friction between the mounting seat 22 and the first and second swinging plates 26 and 27. Meanwhile, there are two first connection plates 28, one end of the first swing plate 26 is inserted between the two first connection plates 28 and is hinged to one ends of the two first connection plates 28 through a fourth hinge shaft 2d, one end of the second swing plate 27 is inserted between the two first connection plates 28 and is hinged to the other ends of the two first connection plates 28 through a fifth hinge shaft 2e, such that the two first connection plates 28 are arranged in a relatively vertically symmetrical manner, and the first connection plate 28 located below is operated through a free space formed between the left boss 221 and the right boss 222, such that the stability of the transmission mechanism 2 is enhanced by the two first connection plates 28 and the second connection plate 29.

Preferably, the driving mechanism 3 includes a swing block 31 capable of moving forward, backward, leftward and rightward on the swing arm frame, a sliding assembly disposed on the swing block 31, and a limiting plate 33 in sliding contact with the sliding assembly to drive the swing block 31 to move, and one end of the transmission assembly is fixedly connected to the swing block 31. Further, a driving area 34 is arranged on the limiting plate 33, and the sliding assembly slides in the driving area 34; meanwhile, the sliding assembly comprises a ball seat 32 arranged on the swinging block 31 and a ball 35 arranged on the ball seat 32, and the sliding assembly slides in the driving area 34 through the ball 35; when the swing mechanism works, the swing block 31 is driven to move by the contact of the balls 35 with different positions of the driving area 34, and the first swing plate 26 of the transmission assembly is fixedly connected with the swing block 31, so that the swing block 31 is linked with the transmission mechanism 2 to work. In addition, the sliding component can also be a ball head with a smooth surface and arranged on the swinging block 31, and the same purpose can be achieved through the sliding contact of the ball head and the driving area 34.

Preferably, as shown in fig. 6, the driving region 34 includes a first vertical plane 341, an inclined plane 342, and a third vertical plane 343, which are sequentially connected from bottom to top, where the first vertical plane 341, the inclined plane 342, and the third vertical plane 343 are smooth flat surfaces. In addition, in order to enable the balls 35 to slide stably in the driving area 34, a first transition arc surface 344 is arranged at the connection position of the first vertical plane 341 and the inclined plane 342, and a second transition arc surface 345 is arranged at the connection position of the inclined plane 342 and the third vertical plane 343; therefore, as can be seen from the above, the driving region 34 is composed of a first vertical plane 341, a first transition arc surface 344, an inclined plane 342, a second transition arc surface 345, and a third vertical plane 343, which are connected in sequence from bottom to top.

When the ball 35 slides on the third vertical plane 343, the radial arm 12 is in the initial state; when the second support rod 5 swings downwards to make the ball 35 slide on the first vertical plane 341 or/and the inclined plane 342, the ball 35 drives the swing block 31 to act under the action of the first vertical plane 341 or/and the inclined plane 342 so as to link the transmission mechanism 2 and drive the swing arm 12 to rotate.

Preferably, as shown in fig. 7 to 8, the swing arm frame is connected with a transmission device 9 for driving the swing arm frame to swing up and down. Further, the transmission device 9 includes a motor 91, a cam mechanism 92 driven by the motor 91, and a transmission structure capable of driving the swing arm frame to swing up and down and move left and right, and the transmission structure is driven by the cam mechanism 92, so that the transmission structure drives the swing arm frame to swing up and down and move left and right.

Preferably, the transmission structure comprises a transmission seat 93 arranged at the top end of the frame of the packaging machine, a swinging seat 95 hinged on the transmission seat 93 through a first rotating shaft 94, a second rotating shaft 96 rotationally connected to the swinging seat 95, a first transmission structure driving the swinging seat 95 to swing, and a second transmission structure 98 driving the second rotating shaft 96 to rotate, wherein the first transmission structure and the second transmission structure 98 are connected and driven by a cam mechanism 92; the front end of the second rotating shaft 96 is connected with the second support rod 5, so that the swing arm frame swings along with the swing seat 95, and the swing arm frame rotates along with the second rotating shaft 96, so that the driving mechanism 3 makes corresponding action.

In the above structure, the first transmission structure includes the first link 97, the upper end of the first link 97 is connected to the swing seat 95, and the lower end of the first link 97 is connected to the cam mechanism 92 to drive the swing seat 95 to swing around the first rotating shaft 94 as an axis. Similarly, the second transmission structure 98 includes a second connecting rod 981, a third connecting rod 982, a first rocker arm 983 sleeved on the first rotating shaft 94, and a second rocker arm 984 sleeved on the second rotating shaft 96; the first rocker arm 983 is positioned between the transmission seat 93 and the swinging seat 95, and the upper end and the lower end of the third connecting rod 982 are respectively connected with the right end of the first rocker arm 983 and the right end of the second rocker arm 984; the upper end of the second connecting rod 981 is connected with the left end of the first rocker arm 983, so that the lower end of the second connecting rod 981 is connected with the cam mechanism 92 to link the second rocker arm 984 to drive the second rotating shaft 96 to rotate; the second support rod 5 is arranged on the second rotating shaft 96 and driven by the second rotating shaft to rotate.

Preferably, as shown in fig. 2 and 7, a first lock sleeve 51 is disposed at the left end of the second support rod 5, the front end of the second rotating shaft 96 is installed in the first lock sleeve 51, and the first lock sleeve 51 is tightened by a screw so that the second support rod 5 is fixedly connected with the second rotating shaft 96 through the first lock sleeve 51, so that the second rotating shaft 96 can drive the second support rod 5 to rotate. Still further, a second lock sleeve 52 is arranged at the right end of the second support rod 5, the rear end of the first support rod 4 is installed in the second lock sleeve 52, and the second lock sleeve 52 is tightened by a screw so that the second support rod 5 is fixedly connected with the first support rod 4 through the second lock sleeve 52, the second support rod 5 can drive the first support rod 4 to move, and the connection position between the first support rod 4 and the second lock sleeve 52 can be adjusted by locking the second lock sleeve 52 by the screw, thereby facilitating debugging of a machine.

Preferably, the specific connection structure between the limit plate 33 and the transmission seat 93 is as follows: the front side surface of the transmission seat 93 is provided with a plurality of second screw holes, the limiting plate 33 is provided with a plurality of second counter bores 36 matched with the second screw holes, and the plurality of second counter bores 36 are arranged in the first vertical plane 341, so that the screws penetrate through the second counter bores 36 and are in threaded connection with the second screw holes, and the limiting plate 33 is fixed on the front side surface of the transmission seat 93. Further, the limiting plate 33 is provided with an anti-collision bevel 346 to prevent the parts of the transmission device 9 from colliding with the limiting plate 33, so as to ensure that the limiting plate 33 can stably and effectively work.

Preferably, as shown in fig. 2, the linkage rod 6 includes a linkage portion 61 and a screw portion 62 fixed to one end of the linkage portion 61, a locking screw hole is formed in the other end of the linkage portion 61, and the second universal head 8 is connected to the locking screw hole in a threaded manner and locked by a nut on the second universal head 8; the screw rod part 62 is in threaded connection with the first universal head 7, and connection between the linkage rod 6 and the second universal head 8 is completed. In addition, a positioning nut 63 is screwed on the screw part 62 to enhance the stability of the screwing connection between the first universal head 7 and the screw part 62.

The utility model discloses the during operation: when the cam mechanism 92 is started, the swing seat 95 is driven to swing to drive the swing arm frame to move leftwards, the second rotating shaft 96 is driven to drive the swing arm frame to swing downwards to be close to the binding mechanism, and when the swing block 31 moves leftwards and swings downwards along with the swing arm frame in the working process of the cam mechanism 92, the ball 35 on the swing block 31 slides down on the first vertical plane 341 or/and the inclined plane 342 from the third vertical plane 343 to enable the swing block 31 to move, so that the linkage transmission mechanism 2 drives the rotating arm 12 to rotate; when the cam mechanism 92 reaches the maximum driving point, the cam mechanism 92 returns to the original point to reset the swing seat 95 and the rotating shaft by the cam mechanism 92, and drives the swing arm frame to move rightwards and swing upwards to reset, and the swing arm 12 is reset by the reset spring 25.

The above description is only the preferred embodiment of the present invention, and the technical solutions of the objects of the present invention are all within the protection scope of the present invention as long as the objects are achieved by the substantially same means.

Claims (9)

1. The utility model provides a be applied to strapping tape swing arm on cardboard strapper, includes swing arm frame, swinging boom mechanism (1), drive mechanism (2), drives drive mechanism's actuating mechanism (3), and swinging boom mechanism (1) is including can doing torsion action's swing arm (12) on the swing arm frame, and drive mechanism (2) are including the link assembly that can move back and forth on the swing arm frame, its characterized in that: the swing arm (12) is provided with a linkage structure, and two ends of the linkage structure are respectively and universally connected to the swing arm (12) and the connecting rod assembly.

2. The swing arm for a strap applied to a cardboard binding machine of claim 1, characterized in that: the linkage structure comprises a linkage rod (6), a first universal head (7) connected to the swing arm (12) and a second universal head (8) connected to the linkage rod assembly, wherein the first universal head (7) and the second universal head (8) are connected to two ends of the linkage rod (6) respectively.

3. The swing arm for a strap applied to a cardboard binding machine of claim 2, characterized in that: the transmission mechanism (2) further comprises a transmission assembly arranged on the swing arm frame, one end of the transmission assembly is connected and driven by the driving mechanism (3), and the other end of the transmission assembly is connected with the driving connecting rod assembly to act.

4. The swing arm for a strap applied to a cardboard binding machine of claim 3, characterized in that: the connecting rod assembly comprises a connecting seat (24) arranged on the swing arm frame and a connecting rod (21) capable of moving back and forth on the connecting seat (24), one end of the connecting rod (21) is connected to the second universal head (8), the other end of the connecting rod is connected with a driving assembly for driving, and a return spring (25) used for returning after the connecting rod (21) moves is arranged on the connecting rod.

5. The swing arm for a strap applied to a cardboard binding machine of claim 4, characterized in that: the transmission assembly comprises a first swinging plate (26), a second swinging plate (27) and a first connecting plate (28), the first swinging plate (26) and the second swinging plate (27) are arranged on the swing arm frame and can rotate relative to the swing arm frame, the first swinging plate (26) is connected and driven by a driving mechanism (3), the second swinging plate (27) is hinged with a connecting rod (21), and two ends of the first connecting plate (28) are hinged to the first swinging plate (26) and the second swinging plate (27) respectively.

6. The swing arm for a strap applied to a cardboard binding machine of claim 3, characterized in that: the driving mechanism (3) comprises a swinging block (31) capable of moving left and right on the swinging arm frame, a sliding assembly arranged on the swinging block (31), and a limiting plate (33) in sliding contact with the sliding assembly to drive the swinging block (31) to move, wherein one end of the transmission assembly is fixedly connected with the swinging block (31).

7. The swing arm for a strap applied to a cardboard binding machine of claim 6, characterized in that: the limiting plate (33) is provided with a driving area (34), and the sliding assembly slides in the driving area (34).

8. The swing arm for a strap applied to a cardboard binding machine of claim 7, characterized in that: the driving area (34) comprises a first vertical plane (341), an inclined plane (342) and a third vertical plane (343) which are sequentially connected from bottom to top.

9. The swing arm for a strap applied to a cardboard binding machine of claim 1, characterized in that: the swing arm frame is connected with a transmission device (9) for driving the swing arm frame to act.

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