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CN-224224448-U - Mechanical claw mechanism for grabbing materials

CN224224448UCN 224224448 UCN224224448 UCN 224224448UCN-224224448-U

Abstract

The utility model discloses a mechanical claw mechanism for grabbing materials, which belongs to the technical field of injection molding processing and material taking equipment and particularly comprises a connecting disc, wherein a plurality of suction nozzle mounting assemblies for mounting vacuum suction nozzle assemblies are arranged at the edge of the connecting disc, a hinging seat is fixed at the top of the connecting disc, and a turnover mechanism is rotatably mounted on the inner side of the hinging seat through a bolt shaft. According to the utility model, the installation assembly for installing the vacuum suction nozzle assemblies is independently designed, and a rotatable and telescopic design is adopted, so that the extension or extension angle and length of the vacuum suction units can be freely adjusted according to the layout design of the injection mold, the flexibility of adjustment and the suitability of the vacuum suction nozzle assemblies for molds and products are higher than those of the traditional simple bracket, each vacuum suction nozzle assembly adopts a buffer design, the mechanical claw structure including the vacuum suction nozzle assemblies can be protected, and the fault tolerance of the whole carrying mechanical arm in the moving process can be improved.

Inventors

  • KE CHANGXING
  • GUO ZIHONG

Assignees

  • 武汉晟烽塑模有限公司

Dates

Publication Date
20260512
Application Date
20250610

Claims (8)

  1. 1. The mechanical claw mechanism for grabbing materials is characterized by comprising a connecting disc (1), wherein a plurality of suction nozzle installation components for installing a vacuum suction nozzle component (8) are horizontally arranged at the edge of the connecting disc (1) around the circumference at equal intervals, a hinging seat (10) is fixed at the top of the connecting disc (1), and a turnover mechanism is rotatably installed on the inner side of the hinging seat (10) through a pin shaft (11); The suction nozzle mounting assembly comprises a mounting arm (2), a primary support arm (4) and a secondary support arm (5), wherein the tail end of the mounting arm (2) is fixed at the edge of the connecting disc (1), the secondary support arm (5) is in sliding plug-in fit with the primary support arm (4), and the side surface of the primary support arm (4) is fixedly connected with the mounting arm (2) through a locking bolt (3); The vacuum suction nozzle assembly (8) is slidably mounted on the secondary support arm (5).
  2. 2. The mechanical gripper mechanism for grabbing materials according to claim 1, wherein the middle of the secondary support arm (5) is provided with a long-strip-shaped slotted hole (6), the secondary support arm (5) is inserted into the primary support arm (4), a locking bolt (7) is arranged on the outer side of one end, close to the vacuum nozzle assembly (8), of the primary support arm (4), and a plurality of buckles (9) are further arranged on the outer side of the primary support arm (4).
  3. 3. The mechanical gripper mechanism for grabbing materials according to claim 1, wherein the turnover mechanism comprises a primary rotating arm (12) which is in rotating fit with a hinge seat (10) through a plug pin shaft (11), a secondary rotating arm (20) is arranged at the top end of the primary rotating arm (12), a turnover driving servo motor (16) is transversely arranged on the side face of the primary rotating arm (12), a driving wheel (17) is arranged on an output shaft of the turnover driving servo motor (16), a driven wheel (15) which is designed coaxially with the plug pin shaft (11) is fixedly arranged on one face of the same side of the hinge seat (10) as the driving wheel (17) through bolts, and the driven wheel (15) is in transmission connection with the driving wheel (17) through a driving belt (18).
  4. 4. A gripper mechanism for gripping materials according to claim 3, wherein the inside of the secondary rotating arm (20) is designed as a T-shaped cylindrical cavity, the top end of the primary rotating arm (12) is in running fit with the secondary rotating arm (20) through a bearing (19), an anti-drop disc (24) is horizontally arranged at one end of the primary rotating arm (12) inserted into the inside of the secondary rotating arm (20), a horizontal rotation driving servo motor (21) is fixed in the cavity inside the secondary rotating arm (20), and the output shaft of the horizontal rotation driving servo motor (21) is connected with the top end of the primary rotating arm (12) through a key.
  5. 5. The mechanical gripper mechanism for grabbing materials according to claim 4, wherein a connecting flange seat (23) for assembling with a carrying mechanical arm is further installed at the top end of the secondary rotating arm (20), a controller (22) for controlling a horizontal rotation driving servo motor (21) and a turnover driving servo motor (16) is further installed at the outer side of the secondary rotating arm (20), and a PLC programmable control module is adopted for the controller (22).
  6. 6. The mechanical gripper mechanism for grabbing materials according to claim 1, wherein a turnover angle monitoring assembly is further arranged on the other side of the hinging seat (10) and the primary rotating arm (12), the turnover angle monitoring assembly specifically comprises an angle measuring disc (13) which is vertically arranged on the top of the connecting disc (1) and is parallel to the side face of the hinging seat (10) and is of a semicircular design, an angle sensor (14) which is arranged on the side face of the primary rotating arm (12) and is matched with the angle measuring disc (13) is adopted by the angle sensor (14), the angle sensor (14) is electrically connected with a controller (22), the angle measuring disc (13) is designed to be coaxial with the bolt shaft (11), and a perforation is formed in the edge of the angle measuring disc (13) from left to right every time in an inclined mode so that a detection light source emitted by the angle sensor (14) can pass through.
  7. 7. The mechanical gripper mechanism for grabbing materials according to claim 1, wherein the vacuum suction nozzle assembly (8) comprises a connecting seat (801) which is in sliding fit with a slotted hole (6) formed in the secondary support arm (5), an adjusting bolt (802) is arranged on the connecting seat (801), an installing clamping seat (803) is arranged on the front surface of the connecting seat (801), a hollow pipe (804) is slidably penetrated in the middle of the installing clamping seat (803), a tray (806) is fixed at the position, which is located outside the inner side part of the installing clamping seat (803) and is close to one side of the installing clamping seat (803), a buffer spring (807) sleeved outside the hollow pipe (804) is arranged between the top of the tray (806) and the inner wall of the other side of the installing clamping seat (803), an adjusting nut (805) is screwed on the top end of the hollow pipe (804), and a vacuum quick plug connector (808) is further fixed on the top end of the hollow pipe (804).
  8. 8. The mechanical gripper mechanism for material grabbing according to claim 7, wherein the vacuum nozzle assembly (8) further comprises an adjusting tube (809), threads matched with each other are respectively arranged on the outer side of the adjusting tube (809) and the inner side of the hollow tube (804), the top end of the adjusting tube (809) is assembled on the inner side of the bottom end of the hollow tube (804) through threads, a screwing nut (810) is integrally formed on the outer side of the bottom end of the adjusting tube (809), a locking nut (811) is further sleeved on the outer side of the adjusting tube (809) through an integrally formed connecting ball head, and the vacuum chuck (812) is mounted on the bottom end of the adjusting tube (809).

Description

Mechanical claw mechanism for grabbing materials Technical Field The utility model belongs to the technical field of injection molding processing and material taking equipment, and particularly relates to a mechanical claw mechanism for grabbing materials. Background After injection molding of some precision instruments or electronic products, plastic spare and accessory parts are often required to be removed from an injection mold by using a mechanical arm, and then transferred to a conveying belt so as to facilitate finishing processing of subsequent burrs, at present, a mechanical claw mechanism in the mechanical arm for transferring injection products from the mold is mainly used for taking materials by vacuum negative pressure suction, a mechanical claw for installing a vacuum suction nozzle is mainly designed by using a fixed metal bracket, the vacuum suction nozzle can only be simply adjusted in the horizontal or vertical direction, the adjustment flexibility is limited, free angle adjustment cannot be carried out according to different product models, sizes and mold designs, and at present, the vacuum suction nozzle and the bracket for carrying the products are rigidly connected, no buffer exists between the vacuum suction nozzle and the bracket, and the fault tolerance rate for setting the movement parameters of the carrying mechanical arm is low. Therefore, we propose a multi-angle freely adjustable mechanical claw mechanism for grabbing materials. Disclosure of utility model The utility model aims to provide a multi-angle freely adjustable mechanical claw mechanism for grabbing materials, which is used for solving the problems in the prior art. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The utility model provides a gripper mechanism for material snatchs, includes the connection pad, the border of connection pad is provided with a plurality of suction nozzle installation components that are used for installing vacuum suction nozzle subassembly around circumference equidistance level, the top of connection pad is fixed with articulated seat, articulated seat's inboard is installed tilting mechanism through the bolt axle rotation. The suction nozzle mounting assembly comprises a mounting arm, a primary support arm and a secondary support arm, wherein the tail end of the mounting arm is fixed at the edge of the connecting disc, the secondary support arm is in sliding insertion fit with the primary support arm, and the side face of the primary support arm is fixedly connected with the mounting arm through a locking bolt. Further, the vacuum nozzle assembly is slidably mounted on the secondary arm. Further, a long-strip-shaped slotted hole is formed in the middle of the secondary support arm, the secondary support arm is inserted into the primary support arm, a locking bolt is arranged on the outer side of one end, close to the vacuum suction nozzle assembly, of the primary support arm, and a plurality of buckles are further arranged on the outer side of the primary support arm. Further, the turnover mechanism comprises a primary rotating arm which is in running fit with the hinging seat through a pin shaft, a secondary rotating arm is arranged at the top end of the primary rotating arm, a turnover driving servo motor is transversely arranged on the side face of the primary rotating arm, a driving wheel is arranged on an output shaft of the turnover driving servo motor, a driven wheel which is designed in the same axis with the pin shaft is fixedly arranged on one face of the hinging seat and the same side of the driving wheel through a bolt, and the driven wheel is connected with the driving wheel through a driving belt in a transmission mode. Furthermore, the inside of second grade rocking arm is the cylindric cavity design of T shape, normal running fit is passed through between bearing and the second grade rocking arm on one side rocking arm top, and one end horizontal installation that the one side rocking arm inserted the inside of second grade rocking arm has an anticreep dish, be fixed with a horizontal rotation drive servo motor in the inside cavity of second grade rocking arm, key connection between the output shaft of horizontal rotation drive servo motor and the top of one side rocking arm. Furthermore, a connecting flange seat for assembling with the carrying mechanical arm is further arranged at the top end of the secondary rotating arm, a controller for controlling the horizontal rotation driving servo motor and the overturning driving servo motor is further arranged at the outer side of the secondary rotating arm, and the controller adopts a PLC programmable control module. Further, articulated seat and one-level rocking arm's opposite side still is equipped with upset angle monitoring component, and its upset angle monitoring component specifically includes perpendicularly installs at the connection pad top and in articulated