CN204895980U - Bagging machine tool hand - Google Patents

Abstract

The utility model provides a bagging manipulator, which includes a servo motor, a cross bar, a connecting rod, two cylinders and two oppositely arranged mechanical arms. The two mechanical arms respectively include a free end and a connecting end. The free ends of the two mechanical arms are Each end is connected to a clamping part. The connection ends of the two mechanical arms are respectively rotatably connected to the cross bar. The two cylinders respectively include a push-out end and a fixed end. The fixed end of each cylinder is rotatably connected to the corresponding In the middle of the mechanical arm, the push-out ends of the two cylinders are fixedly connected, and the two ends of the connecting rod are respectively rotatably connected to the positions near the connecting ends of the two mechanical arms, and the connecting rod and the cross bar are intersected. A rotating shaft that is attached to one end of the crossbar and rotates synchronously. The clamping position of the two mechanical arms of the bagging manipulator provided by the utility model is increased to four, which can assist in completing more complicated tasks such as bag support and bag return, and can replace manual bagging, thereby improving productivity.

Description

Bagging manipulator

technical field

The utility model relates to a bagging manipulator in the field of packaging machinery, which can stretch a bag opening and transfer it to a discharge port.

Background technique

The bagging manipulator of packaging machinery generally needs to complete the following process steps. First, the manipulator moves from the original position to the bag mouth, then stretches the bag, stretches the packaging bag, and then moves to the discharge port. After loading the bag, the manipulator stretches out from the bag mouth. out, and return to the original position. Because there are many processes and the actions are more complicated, the existing bagging work is generally completed manually, and the efficiency is low.

Utility model content

The technical problem solved by the utility model is to provide a high-efficiency automatic bagging manipulator.

The technical solution of the utility model to solve the above-mentioned technical problems is to provide a bagging manipulator, including a servo motor, a cross bar, a connecting rod, two cylinders and two oppositely arranged mechanical arms, and the two mechanical arms respectively include a free end and a Connecting ends, the free ends of the two mechanical arms are respectively connected to a clamping portion, the connecting ends of the two mechanical arms are respectively rotatably connected to the cross bar, the two cylinders respectively include a push-out end and a fixed end, each cylinder The fixed end of the connecting rod is rotatably connected to the middle part of the corresponding mechanical arm. The push-out ends of the two cylinders are fixedly connected. It is provided that the servo motor includes a driven and rotatable rotating shaft, and the rotating shaft is connected with one end of the cross bar and rotates synchronously.

Preferably, the cross-section of the cross bar is square or rectangular.

Preferably, the clamping part includes an extension part that is perpendicular to the mechanical arm and protrudes to one side.

Preferably, the push-out strokes of the two cylinders are different.

Preferably, the mechanical arm includes two splints clamped in parallel on both sides of the cross bar, and the middle of the two splints is bolted to the fixed end of the corresponding cylinder through a rotating shaft.

Preferably, the distance from the position where one mechanical arm is connected to the connecting rod to the cross bar is equal to the distance from the position where the other mechanical arm is connected to the connecting rod to the cross bar.

Preferably, a connecting piece is also included, and the two ends of the connecting piece are provided with internal threaded holes that can be threadedly connected with the push-out ends of the two cylinders.

The bagging manipulator provided by the utility model can increase the clamping positions of the two manipulator arms to four by arranging two relatively connected cylinders between the two manipulator arms, and can assist in completing more complicated tasks such as bag support and bag return. And the horizontal bar is connected with the servo motor, which can transfer the clamped packaging bags to the corresponding outlets. The whole bagging manipulator cooperates with various mechanisms, which can replace manual bagging and improve productivity.

Description of drawings

Fig. 1 is a three-dimensional structural schematic diagram of a bagging manipulator provided by an embodiment of the present invention.

Detailed ways

The utility model will be described in further detail below through specific embodiments in conjunction with the accompanying drawings.

Please refer to FIG. 1 , an embodiment of the present invention provides a bagging manipulator, including a servo motor 1 , a cross bar 3 , a connecting piece 8 , two cylinders 4 and two oppositely disposed manipulator arms 7 . It is defined that the two mechanical arms 7 respectively include a connecting end 71 and a free end 72 , wherein the free ends 72 of the two mechanical arms 7 are respectively connected to a clamping portion 2 for penetrating into the opening of the bag to expand the opening of the bag. The connecting ends 71 of the two mechanical arms 7 are respectively rotatably connected to the crossbar 3 . In this embodiment, the rotation axis of the mechanical arm 7 is substantially perpendicular to the extending direction of the crossbar 3 .

The two air cylinders 4 respectively include a push-out end 42 and a fixed end 41 , and the fixed end 41 of each air cylinder 4 is rotatably connected to the middle part of the corresponding mechanical arm 7 . The push-out ends 42 of the two cylinders 4 are respectively fixedly connected with the two ends of the connecting piece 8 . In this embodiment, the push-out ends 42 of the two cylinders 4 are connected to the connecting piece 8 and arranged roughly on a straight line. The two ends of the connecting rod 6 are respectively rotatably connected to the positions of the two mechanical arms 7 close to the connecting ends 71, and the connecting rod 6 is intersected with the cross bar 3, and the position where a mechanical arm 7 is connected to the connecting rod 6 is connected to the cross bar. The distance of 3 is equal to the distance from the connecting position of another mechanical arm 7 and the connecting rod 6 to the cross bar 3, so that the two mechanical arms 7 can keep moving synchronously when pushed by the two cylinders 4, and each mechanical arm 7 opens The included angle remains the same size. In other embodiments, the above two distances may also be slightly different, as long as the positions where the two ends of the connecting rod 6 are connected to the two mechanical arms 7 are distributed on both sides of the cross bar 3 . Simultaneous clamping or synchronized phase separation movement. The servo motor 1 includes a driven and rotatable shaft (not labeled), which is connected to one end of the cross bar 3 and rotates synchronously.

The mechanical arm 7 also includes two splints 73 clamped in parallel on both sides of the cross bar. The middle of the two splints 73 is bolted to the fixed end 41 of the corresponding cylinder 4 through a rotating shaft (not labeled). The clamping portion 2 is sickle-shaped and includes an extension portion 21 perpendicular to the mechanical arm 7 and protruding to one side.

The section of the cross bar 3 is square or rectangular, so as to drive the mechanical arm 7 to swing together.

The connecting piece 8 is a relatively short cylindrical rod structure, and its two ends are provided with internal threaded holes (not shown) that can be threadedly connected with the push-out ends of the two cylinders. In other embodiments, the push-out ends 42 of the two cylinders 4 may also be directly fixedly connected.

Preferably, the two cylinders 4 adopt cylinders with different specifications, and the push-out strokes of the two cylinders 4 are different.

The bagging manipulator provided by the utility model can increase the clamping positions of the two mechanical arms 7 to four by arranging two relatively connected cylinders 4 between the two mechanical arms 7 (each cylinder has two states of pushing out and retracting) , the combination of two cylinders with different strokes has four states, so that there are four clamping positions of the corresponding mechanical arm 7), which can assist in completing more complicated tasks such as bag support and bag return, and the cross bar 3 and The servo motor 1 is connected, and the servo motor 1 drives the crossbar 3 to rotate, so that the two mechanical arms 7 can be swung to the corresponding outlets, so that the mechanical arms 7 can clamp the clamped packaging bags to the corresponding outlets, and the corresponding The discharge port is docked to complete the bagging work. The whole bagging manipulator cooperates with various mechanisms, which can replace manual bagging and improve productivity.

The above content is a further detailed description of the utility model in conjunction with specific implementation methods, and it cannot be determined that the specific implementation of the utility model is only limited to these descriptions. For those of ordinary skill in the technical field to which the utility model belongs, some simple deduction or replacement can also be made without departing from the concept of the utility model.

Claims (7)

1. A bagging manipulator is characterized in that, comprises servomotor, cross bar, connecting rod, two cylinders and two oppositely arranged mechanical arms, and these two mechanical arms comprise a free end and a connection end respectively, and these two mechanical arms The free ends of the two mechanical arms are respectively connected to a clamping part. The connecting ends of the two mechanical arms are respectively rotatably connected to the cross bar. The two cylinders respectively include a push-out end and a fixed end. In the middle of the corresponding mechanical arm, the push-out ends of the two cylinders are fixedly connected, and the two ends of the connecting rod are respectively rotatably connected to the positions near the connecting ends of the two mechanical arms, and the connecting rod and the cross bar are intersected. The servo motor includes a A rotatable shaft is driven, which is connected to one end of the crossbar and rotates synchronously. 2. The bagging manipulator according to claim 1, wherein the cross-section of the cross bar is square or rectangular. 3. The bagging manipulator according to claim 1, wherein the clamping portion comprises an extension portion perpendicular to the manipulator arm and protruding to one side. 4. The bagging manipulator as claimed in claim 1, wherein the two cylinders have different pushing strokes. 5. The bagging manipulator according to claim 1, wherein the mechanical arm comprises two splints clamped in parallel on both sides of the cross bar, and the middle of the two splints is bolted to the fixed end of the corresponding cylinder through a rotating shaft. . 6. The bagging manipulator according to claim 1, wherein the distance from the position where one mechanical arm is connected to the connecting rod to the cross bar is the same as the distance from the position where the other mechanical arm is connected to the connecting rod to the cross bar equal. 7. The bagging manipulator according to any one of claims 1-6, further comprising a connecting piece, the two ends of the connecting piece are provided with internally threaded holes which can be threadedly connected with the push-out ends of the two cylinders.