CN220200667U - Tongs for workpiece transportation - Google Patents

Abstract

The utility model discloses a gripper for workpiece transportation, which relates to the field of workpiece grippers and comprises a frame, wherein the frame is formed by vertically crossing a plurality of frame bodies to form a matrix-shaped frame body structure, a plurality of vacuum chucks which are arranged and distributed in a matrix manner are arranged below the frame, the operation states of the vacuum chucks at different positions are switched to implement adsorption and grabbing operations on workpieces with different specifications, the top of the frame is provided with a positioning beam, and two ends of the positioning beam are detachably connected with a balancing unit. The utility model can carry out adsorption and grabbing operations on workpieces with different specifications by switching the operating states of the vacuum chucks at different positions, and the workpiece conveying gripper is suitable for plates with different specifications, if all the vacuum chucks are required to be moved to grab workpieces with larger specifications, the workpieces can be quickly connected with the workpiece lifting gripper through the balancing unit after the workpiece lifting gripper lifts the workpieces, thereby ensuring the stability of the workpieces in the moving process and improving the safety of grabbing workpieces with large specifications.

Description

Tongs for workpiece transportation

Technical Field

The utility model relates to the field of workpiece grippers, in particular to a gripper for workpiece transportation.

Background

Refrigerators are a kind of refrigerating apparatus that maintains a constant low temperature, and also a kind of civil products that maintain foods or other objects in a constant low temperature cold state. The box body is internally provided with a compressor, a cabinet or a box for freezing by an ice maker and a storage box with a refrigerating device. The refrigerator plate is a main component of the refrigerator, the refrigerator plate needs to be positioned by using a stamping die in the processing process, and is stamped on the refrigerator plate by using a stamping module, and in the production line of the refrigerator, the transfer operation is mostly carried out on the plate by a manipulator so as to drive the plate to reach different processing stations.

The existing handles applied to the movement of the plate workpieces of the ice boxes are generally only suitable for plates with specified specifications and cannot be adjusted according to the sizes of the plates. In the process of carrying out adsorption operation on all vacuum chuck workpieces on the grippers, because the lengths of the air suction pipelines are different, a certain time is required for transferring all vacuum chuck air suction operation, and the phenomenon of partial vacuum chuck air suction delay is easy to occur, so that the grippers are easy to fall in the process of grabbing the workpieces and moving to a processing station.

Disclosure of Invention

To above-mentioned problem, the present application provides a tongs for workpiece transportation.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a tongs for work piece transportation, includes the frame, the frame comprises a plurality of support body perpendicular alternately, forms matrix form support body structure, and the below of frame is provided with a plurality of matrix form arrangement distribution's vacuum chuck, through the running state of switching vacuum chuck in different positions, can carry out absorption, snatch the operation to the work piece of different specifications.

The top of frame is installed the locating beam, the both ends of locating beam are all dismantled and are connected with balanced unit, balanced unit is used for contacting with the tip of work piece, along with the synchronous removal of frame.

The balance unit comprises a butt joint sleeve frame arranged at the end part of the positioning beam, the end part of the butt joint sleeve frame is fixedly connected with an extension arm, the bottom end of the extension arm is connected with a swinging arm through a rotating shaft, the bottom end of the swinging arm is provided with a positioning roller I through a screw, when the vacuum chuck adsorbs a workpiece, the swinging arm obliquely extends below the workpiece, and the positioning roller I is propped against the lower surface of the workpiece.

Further, the bottom of the butt joint sleeve frame is provided with an air cylinder, a push rod of the air cylinder is arranged on the surface of the swing arm to control the inclination state of the swing arm, and the extension arm is provided with a channel for accommodating the air cylinder to pass through.

Further, the balance unit further comprises a pair of alignment rods detachably connected to the surface of the extension arm, the bottom ends of the pair of alignment rods are provided with a second positioning roller through screws, in a natural state, the pair of alignment rods obliquely extend above the workpiece, and the second positioning roller is abutted to the upper surface of the workpiece.

Further, the vacuum chuck top is fixed with the connecting pipe that link up rather than, the surface threaded connection of connecting pipe has the installation plate, the tip upward extension of installation plate has a turn-ups portion, turn-ups portion laminating is in the surface of frame and is connected through the bolt dismantlement.

Further, a threaded sleeve is connected to the portion, extending to the upper portion of the mounting plate, of the connecting pipe, and an air pipe connector capable of being connected with an air exhaust hose is arranged on the portion, extending to the upper portion of the mounting plate, of the connecting pipe.

In summary, the utility model has the technical effects and advantages that:

the utility model can carry out adsorption and grabbing operations on workpieces with different specifications by switching the operating states of the vacuum chucks at different positions, and the workpiece conveying gripper is suitable for plates with different specifications, if all the vacuum chucks are required to be moved to grab workpieces with larger specifications, the workpieces can be quickly connected with the workpiece lifting gripper through the balancing unit after the workpiece lifting gripper lifts the workpieces, thereby ensuring the stability of the workpieces in the moving process and improving the safety of grabbing the workpieces with the maximum specifications during the moving process.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic diagram of the front view structure of the present utility model.

Fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

FIG. 4 is a schematic view of the position of the extension arm, swing arm and alignment lever of the present utility model.

FIG. 5 is a schematic diagram of the first and second positioning roller positions according to the present utility model.

In the figure: 1. a frame; 2. a vacuum chuck; 3. positioning a beam; 4. a butt joint sleeve frame; 5. an extension arm; 6. a swing arm; 7. positioning a first roller; 8. an alignment rod; 9. positioning a second roller; 10. a cylinder; 11. a connecting pipe; 12. mounting a plate; 13. a thread sleeve; 14. a tracheal interface.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: referring to fig. 1 and 2, a gripper for transporting workpieces includes a frame 1, wherein the frame 1 is formed by a plurality of frame bodies vertically crossing each other to form a matrix-shaped frame body structure, a plurality of vacuum chucks 2 distributed in a matrix-shaped arrangement are arranged below the frame 1, and the operation states of the vacuum chucks 2 at different positions are switched to perform the operations of adsorbing and grabbing workpieces of different specifications.

When the plate with the largest specification is clamped, all the vacuum chucks 2 are required to be moved for exhausting, and the workpiece is adsorbed, however, due to the length of an exhausting pipeline, a certain time is required for exhausting operation of all the vacuum chucks 2, the phenomenon of delay of exhausting of part of the vacuum chucks 2 is easy to occur, and when the frame 1 moves along with the mechanical arm, the workpiece is easy to fall off when being grabbed and moved to a processing station. Therefore, the top of the frame 1 is provided with the positioning beam 3, and both ends of the positioning beam 3 are detachably connected with the balancing units which are used for contacting with the end parts of the workpieces. With the frame 1 moving synchronously. After the workpiece can be lifted, the workpiece is quickly connected with the workpiece through the balance unit, so that the stability of the workpiece in the moving process is ensured, the safety of grabbing the workpiece with the maximum specification during moving is improved,

as shown in fig. 2 and 5, the balancing unit comprises a butt-joint sleeve frame 4 installed at the end part of a positioning beam 3, an extension arm 5 is fixedly connected to the end part of the butt-joint sleeve frame 4, a swing arm 6 is connected to the bottom end of the extension arm 5 through a rotating shaft, a positioning roller I7 is installed at the bottom end of the swing arm 6 through a screw, when a workpiece is adsorbed by a vacuum chuck 2, the swing arm 6 obliquely extends below the workpiece, and the positioning roller I7 is abutted to the lower surface of the workpiece. Along with the movement of the frame 1, the combined operation of the first positioning roller 7 and the vacuum unit can quickly lift the workpiece, so that the balance of the workpiece in the lifting process is ensured, the falling phenomenon of the workpiece is avoided, and the workpiece transportation efficiency is improved.

As shown in fig. 4 and 5, an air cylinder 10 is mounted at the bottom of the butt joint sleeve frame 4, a push rod of the air cylinder 10 is mounted on the surface of the swing arm 6, the air cylinder 10 can drive the push rod to push the swing arm 6 to rotate in the operation process, and then the inclination state of the swing arm 6 can be controlled, so that the purposes of driving the swing arm 6 to move to the lower side of a workpiece, positioning the first roller 7 to prop against the lower surface of the workpiece are achieved, and a channel for accommodating the air cylinder 10 to pass through is formed in the extension arm 5.

As shown in fig. 4 and 5, when the first positioning roller 7 abuts against the lower surface of the workpiece, the edge of the workpiece is collided and extruded by the first positioning roller 7, so that a skew phenomenon is easily generated, and the distribution state of the workpiece under the vacuum chuck 2 is changed. The phenomenon that the workpiece is inclined under the collision and extrusion acting force of the positioning roller I7 can be avoided, and the stability of the workpiece when the workpiece contacts with the balancing unit and the vacuum chuck 2 is ensured.

As shown in fig. 3, the top of the vacuum chuck 2 is fixed with a connecting pipe 11 communicated with the top of the vacuum chuck 2, the outer surface of the connecting pipe 11 is in threaded connection with an installation plate 12, the end part of the installation plate 12 extends upwards to form a flanging part, the flanging part is attached to the outer surface of the frame 1 and is connected through a bolt in a detachable mode, and the installation plate 12 can be installed at a designated position of the frame 1 according to requirements so as to achieve the purpose of flexibly adjusting the position of the vacuum chuck 2.

As shown in fig. 3, a threaded sleeve 13 is connected to a portion of the connection pipe 11 extending above the mounting plate 12, and a gas pipe connection 14 to which a suction hose can be connected is mounted to a portion of the connection pipe 11 extending above the mounting plate 12. The thread sleeve 13 can prevent the connecting pipe 11 from loosening and separating from the mounting plate 12, the air pipe connector 14 can be connected with an air exhaust hose in air exhaust equipment, so that the communication of pipelines is realized, and the adsorption operation on a workpiece is smoothly implemented.

Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (5)

1. The utility model provides a tongs for work piece transportation, includes frame (1), its characterized in that: the machine frame (1) is formed by vertically crossing a plurality of frame bodies to form a matrix-shaped frame body structure, a plurality of vacuum chucks (2) which are arranged and distributed in a matrix shape are arranged below the machine frame (1), and workpieces with different specifications can be adsorbed and grabbed by switching the running states of the vacuum chucks (2) at different positions;

a positioning beam (3) is arranged at the top of the frame (1), two ends of the positioning beam (3) are detachably connected with a balancing unit, and the balancing unit is used for contacting with the end part of a workpiece and synchronously moving along with the frame (1);

the balance unit comprises a butt joint sleeve frame (4) arranged at the end part of a positioning beam (3), an extension arm (5) is fixedly connected to the end part of the butt joint sleeve frame (4), a swing arm (6) is connected to the bottom end of the extension arm (5) through a rotating shaft, a positioning roller I (7) is arranged at the bottom end of the swing arm (6) through a screw, and when a workpiece is adsorbed by the vacuum chuck (2), the swing arm (6) obliquely extends below the workpiece, and the positioning roller I (7) is propped against the lower surface of the workpiece.

2. The hand grip for transporting workpieces according to claim 1, wherein: the bottom of the butt joint sleeve frame (4) is provided with an air cylinder (10), a push rod of the air cylinder (10) is arranged on the surface of the swing arm (6) to control the inclination state of the swing arm (6), and the extension arm (5) is provided with a channel for accommodating the air cylinder (10) to pass through.

3. The hand grip for transporting workpieces according to claim 2, wherein: the balance unit further comprises a pair of alignment rods (8) which are detachably connected to the surface of the extension arm (5), the bottom ends of the alignment rods (8) are provided with a second positioning roller (9) through screws, and in a natural state, the alignment rods (8) obliquely extend above the workpiece, and the second positioning roller (9) is abutted against the upper surface of the workpiece.

4. The hand grip for transporting workpieces according to claim 1, wherein: the vacuum chuck is characterized in that a connecting pipe (11) communicated with the vacuum chuck is fixed at the top of the vacuum chuck (2), an installation plate (12) is connected to the outer surface of the connecting pipe (11) in a threaded mode, a flanging part is upwards extended from the end portion of the installation plate (12), and the flanging part is attached to the outer surface of the frame (1) and is connected through bolts in a detachable mode.

5. The hand grip for transporting workpieces according to claim 4, wherein: the part of the connecting pipe (11) extending to the upper part of the mounting plate (12) is connected with a threaded sleeve (13), and the part of the connecting pipe (11) extending to the upper part of the mounting plate (12) is provided with a gas pipe connector (14) which can be connected with a gas exhaust hose.