CN217453961U - Robot arm sucker - Google Patents

Abstract

The utility model discloses a suction cup device for a robot arm, which comprises a suction cup, a fixing ring is fixedly installed on the side of the suction cup, a first positioning column and a second positioning column are symmetrically fixed at the top of the fixing ring, and the first positioning column and the second positioning column are fixedly installed. The top is provided with a thread with a size smaller than that of the cylinder, and is fixedly installed on the base through the first nut and the second nut. The middle position of the base is fixedly installed with a stepper motor through a fixing screw, and the motor shaft of the stepper motor is installed on the base. A stud is fixedly installed, a threaded sleeve is rotatably connected to the stud, and the threaded sleeve is fixedly installed on the top of the suction cup. The utility model relates to a suction cup device for a robot arm. The first positioning column and the second positioning column are fixed on the base, so that the The suction cup and the base are fixed together, the rotation of the motor drives the threaded column to rotate, the threaded column moves forward and backward to move the threaded sleeve up and down, the threaded sleeve drives the suction cup to move, the threaded sleeve moves up the suction cup to absorb the object, and the threaded sleeve moves down the suction cup to release the object.

Description

A robotic arm suction cup

technical field

The utility model relates to a sucker, in particular to a robot arm sucker.

Background technique

With the development of network skills, the problem of network operation of manipulators is also the direction of future development. Industrial robot is a kind of high-tech automatic production equipment developed in recent decades. Industrial manipulators are an important branch of industrial robots. Its characteristic is that it can be programmed to complete various expected tasks, and it has both the advantages of man and machine in terms of structure and performance, and especially reflects human intelligence and adaptability. The accuracy of manipulator operations and the ability to complete operations in various environments have broad prospects for development in various fields of the national economy.

Robot arm suction cups are widely used in the industrial field. The suction cups are mounted on the robot arm and can be used to grab objects with smooth surfaces such as glass and ceramic tiles. The suction cups require greater suction to prevent objects from falling when in use.

When the suction cup grabs the object, because the material of the suction cup itself is relatively soft, the goods will inevitably shake when handling the goods. Excessive shaking can easily lead to the phenomenon of the goods falling.

Utility model content

The purpose of the present invention is to provide a suction cup device for a robot arm to solve the problems of insufficient suction force of the suction cup and shaking of objects proposed in the above-mentioned background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: a robot arm suction cup device, comprising a suction cup, a fixing ring is fixedly installed on the periphery of the suction cup, a threaded sleeve is fixedly installed on the top of the suction cup, and the top of the threaded sleeve is movable A base is connected, and a first positioning column and a second positioning column are symmetrically screwed on both sides of the top of the base, and the first positioning column and the second positioning column are respectively movably installed through the second nut and the first nut On the base, a stepper motor is fixedly connected to the top of the base, the stepper motor is fixedly installed on the base through four fixing screws, and the top of the base and the top of the stepper motor are fixedly installed with flange.

As a preferred technical solution of the present invention, a first positioning column is fixedly installed on the top of the fixing ring, and a second positioning column is fixedly installed on the fixing ring at a symmetrical position with respect to the first positioning column.

As a preferred technical solution of the present invention, a guide post is fixedly installed on the top of the suction cup, and the guide post is located at the center of the threaded sleeve, the stud is inserted on the guide post, and the stud The swivel connection is inside the threaded sleeve.

As a preferred technical solution of the present invention, the top ends of the first positioning column and the second positioning column are respectively sleeved with a first spring and a second spring, and the first spring and the second spring are respectively fixed and installed on the first and second positioning columns. The first support ring and the second support ring on a positioning column and the second positioning column are supported.

As a preferred technical solution of the present invention, a first retaining ring and a second retaining ring are fixedly installed on the base near the first spring and the second spring, respectively.

As a preferred technical solution of the present invention, the top of the base is located between the first nut and the second nut, and is fixedly installed with a first support column and a second support column on both sides of the stepping motor.

As a preferred technical solution of the present invention, the top of the flange is evenly provided with four fixing holes around the inner circle.

Compared with the prior art, the beneficial effects of the present utility model are:

1. The utility model is fixedly installed on the periphery of the suction cup by setting a fixing ring. The fixing ring is made of stainless steel. The top of the fixing ring is fixedly installed with a first positioning column, and the fixed ring is fixedly installed with a second positioning column at the symmetrical position of the first positioning column. Column, the first positioning column and the second positioning column are respectively fixed on the base through the second nut and the first nut. Through the above structure, the suction cup and the base are fixedly installed together, which effectively avoids the suction cup during the operation of the device. shaking situation.

2. The utility model is provided with a threaded sleeve, the middle of the threaded sleeve is hollow design, the upper and lower are two rings respectively, the bottom ring is fixedly installed on the suction cup, the top ring is provided with a thread, and the stud is rotatably connected inside the threaded sleeve, The top of the stud is fixed on the motor shaft, and the rotation of the motor drives the stud to rotate. Through the positive and negative rotation of the stud, the up and down movement of the threaded sleeve can be controlled to control the shape of the suction cup to change the pressure difference between the inside and outside of the suction cup. Purpose.

3. The present utility model designs a guide post, which is a cylinder with a long length and is fixedly installed at the center of the bottom of the threaded sleeve. The center of the stud is provided with a through hole that is clearance-fitted with the guide post, and the stud is inserted. On the guide post, the outer side of the stud is rotatably connected to the inside of the threaded sleeve. In order to prevent the threaded sleeve from falling too much and squeezing and damaging the goods under the suction cup, the length of the stud is appropriately reduced. The post will disengage from the threaded sleeve, and the guide post allows the stud to be detached from the threaded sleeve and then re-threaded into the threaded sleeve along the guide post.

Description of drawings

Fig. 1 is the structural representation of the left isometric side of the utility model;

Fig. 2 is the structural representation of the right isometric side of the utility model;

3 is a schematic diagram of the structure of the suction cup of the present invention.

In the figure: 1, suction cup; 2, fixing ring; 3, first positioning column; 4, second positioning column; 5, threaded sleeve; 6, abutment; 7, first nut; 8, second nut; 9, the first support column; 10, the second support column; 11, the flange; 12, the stud; 13, the guide column; 14, the fixing screw; 15, the stepping motor; 16, the fixing hole; 17, the first support ring; 18, first spring; 19, second spring; 20, second support ring; 21, first retainer; 22, second retainer.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Figures 1-3, the present utility model provides a technical solution of a robotic arm suction cup device:

Example 1:

As shown in FIG. 1 and FIG. 2 , a robot arm suction cup device includes a fixing ring 2 fixedly installed around the suction cup 1 , and the fixing ring 2 is made of metal to ensure that the surrounding area of the suction cup 1 will not be deformed, thereby affecting the sealing performance of the suction cup 1 , the top of the suction cup 1 is fixedly installed with a threaded sleeve 5, the middle of the threaded sleeve 5 is hollow design, the upper and lower are two rings, the bottom ring is fixedly installed on the suction cup 1, the top ring is internally provided with threads, and the stud 12 is rotatably connected to Inside the threaded sleeve 5, a guide post 13 is fixedly installed on the top of the suction cup 1. The guide post 1 is a metal cylinder with a relatively long length, and the guide post 13 is located at the center of the threaded sleeve 5, and the stud 12 is inserted on the guide post 13. , and the stud 12 is rotatably connected to the threaded sleeve 5 and the top of the threaded sleeve 5 is movably connected to the base 6. The top of the base 6 is symmetrically screwed with a first positioning column 3 and a second positioning column 4. The first positioning column 3 The top of the second positioning column 4 is provided with a thread whose size is smaller than that of the column, so that a step is generated between the column and the thread, and the step is against the bottom of the base 6. The first positioning column 3 and the second positioning column 4 are on the base. The top of the base 6 is fixedly installed by the second nut 8 and the first nut 7 respectively, the top of the base 6 is fixedly connected with a stepper motor 15, and the top of the base 6 is located between the first nut 7 and the second nut 8 And the first support column 9 and the second support column 10 are fixedly installed on both sides of the stepping motor 15 , and a flange 11 is fixedly installed on the top of the base 6 and on the top of the stepping motor 15 , and the top of the flange 11 surrounds the inner circle. Four fixing holes 16 are evenly arranged.

In specific use, the utility model is a robot arm sucker, the flange 11 is provided with four fixing holes 16, and the flange 11 is fixedly installed on the robot arm with screws, because the device is connected by supporting and positioning to form a Overall, the robotic arm can drive the entire device to move freely, and the device moves to the designated position through the robotic arm to perform the next action.

Embodiment 2:

On the basis of the first embodiment, as shown in FIG. 1 and FIG. 3 , the top of the fixing ring 2 is fixedly installed with a first positioning column 3 , and the first positioning column 3 is fixedly installed with a second positioning column relative to the symmetrical position of the fixing ring 2 . 4. The top ends of the first positioning column 3 and the second positioning column 4 are respectively sleeved with a first spring 18 and a second spring 19. The first spring 18 and the second spring 19 are respectively fixed and installed on the first positioning column 3 and the second positioning column. The first support ring 17 and the second support ring 20 on the positioning column 4 are supported, and the base 6 is fixedly installed with a first retainer 21 and a second retainer at the positions close to the first spring 18 and the second spring 19, respectively. 22, so that when the robot arm contacts the goods, relying on the buffering of the spring can effectively prevent the goods from being damaged, the top of the suction cup 1 is fixedly installed with a guide post 13, and the guide post 13 is located at the center of the threaded sleeve 5, and the stud 12 is inserted. Connected to the guide post 13 , the fit between the inner hole of the stud 12 and the guide post 13 is a clearance fit, the stud 12 can move freely on the guide post 13 , and the stud 12 is rotatably connected inside the threaded sleeve 5 . The stepping motor 15 is fixedly mounted on the base 6 by four fixing screws 14 .

In specific use, the utility model is a robot arm sucker. After the device is moved to a designated position by the mechanical arm, the stepping motor 15 starts to rotate, and the stepping motor 15 rotates to drive the stud 12 to rotate, and then the stud 12 drives the threaded sleeve. 5. Move up and down along the stud 12. When the stud 12 moves upward, the inside of the suction cup 1 is negative pressure, and the suction cup 1 can suck the surface of the goods. At this time, the robot arm can carry the goods to the designated low point. When the stud 12 When the negative pressure in the suction cup 1 is moved down, the suction cup 1 can easily leave the goods, and the robot arm drives the device to leave the goods, and the unloading process can be completed.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated The device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In the present utility model, unless otherwise expressly specified and limited, for example, it may be a fixed connection, a detachable connection, or an integrated body; it may be a mechanical connection or an electrical connection; it may be a direct connection, or a It can be indirectly connected through an intermediate medium, it can be the communication between two elements or the interaction relationship between the two elements, unless otherwise clearly defined, for those of ordinary skill in the art, the above terms can be understood according to the specific situation in this document. The specific meaning in the utility model.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. A suction cup device for a robot arm, comprising a suction cup (1), characterized in that: a fixing ring (2) is fixedly installed on the periphery of the suction cup (1), and a threaded sleeve (5) is fixedly installed on the top of the suction cup (1). ), a base (6) is movably connected to the top of the threaded sleeve (5), and a first positioning column (3) and a second positioning column (4) are symmetrically screwed on both sides of the top of the base (6), so The first positioning column (3) and the second positioning column (4) are respectively movably installed on the base (6) through the second nut (8) and the first nut (7), and the base (6) The top is fixedly connected with a stepper motor (15), the stepper motor (15) is fixedly mounted on the base (6) through four fixing screws (14), and the top of the base (6) is located in the stepper A flange (11) is fixedly mounted on the top of the motor (15). 2 . The suction cup device for a robot arm according to claim 1 , wherein a first positioning column ( 3 ) is fixedly installed on the top of the fixing ring ( 2 ), and the fixing ring ( 2 ) is about the first positioning A second positioning column (4) is fixedly installed at the symmetrical position of the column (3). 3 . The robot arm suction cup device according to claim 1 , wherein a guide post ( 13 ) is fixedly installed on the top of the suction cup ( 1 ), and the guide post ( 13 ) is located on the threaded sleeve ( 5 ). 4 . At the center position, the guide post (13) is inserted on the stud (12), and the stud (12) is rotatably connected inside the threaded sleeve (5). 4. A robot arm suction cup device according to claim 1, characterized in that: the tops of the first positioning column (3) and the second positioning column (4) are respectively sleeved with a first spring (18) and a Two springs (19), the first spring (18) and the second spring (19) respectively rely on the first support ring (17) fixedly installed on the first positioning column (3) and the second positioning column (4) Supported with the second support ring (20). 5 . The robot arm suction cup device according to claim 1 , wherein the base ( 6 ) is fixedly installed with a first guard at a position close to the first spring ( 18 ) and the second spring ( 19 ). 6 . Ring (21) and second retainer (22). 6 . The robot arm suction cup according to claim 1 , wherein the top of the base ( 6 ) is located between the first nut ( 7 ) and the second nut ( 8 ) and is located in the stepper. 7 . A first support column (9) and a second support column (10) are fixedly installed on both sides of the motor (15). 7 . The suction cup device for a robot arm according to claim 1 , wherein four fixing holes ( 16 ) are evenly arranged on the top of the flange ( 11 ) around the inner circle. 8 .

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