CN211942864U

CN211942864U - AGV lifting pin

Info

Publication number: CN211942864U
Application number: CN202020356640.7U
Authority: CN
Inventors: 朱世波; 马忠庆
Original assignee: Weifang Darsh Automation Equipment Co ltd
Current assignee: Shandong Dashi Automation Technology Co ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2020-11-17
Anticipated expiration: 2030-03-20

Abstract

The utility model discloses a AGV lifting pin, which comprises an upper inverted U-shaped plate and a lower U-shaped plate, wherein a side plate of the inverted U-shaped plate is provided with a long-strip-shaped guide sliding hole, a vertically arranged linear bearing is arranged on a bottom plate of the inverted U-shaped plate, a lifting pin is arranged inside the linear bearing, a cylindrical mounting hole is arranged at the lower end of a main body of the lifting pin, a compression spring is arranged inside the mounting hole, the compression spring is sleeved on a spring support rod, and the spring support rod is vertically fixed on the upper surface of the bottom plate of the U-shaped plate through a screw; a shaft shoulder is arranged outside the lower end of the lifting pin main body, a lifting plate is arranged at the shaft shoulder and fixed through a clamp spring, a convex strip is arranged at one side end of the lifting plate, and the convex strip penetrates through the guide sliding hole; the utility model provides an AGV lifting pin, which can realize automatic butt joint of an AGV tractor and a material vehicle, and avoid the problem that the lifting pin is connected with a lifting plate and is loosened and falls off; the lifting pin does not need to be fastened in the using process.

Description

AGV lifting pin

Technical Field

The utility model relates to a AGV lifting pin belongs to unmanned transport vehicle technical field.

Background

An Automated Guided Vehicle (AGV) is a transportation Vehicle equipped with an electromagnetic or optical automatic guiding device, which can travel along a predetermined guiding path, and has safety protection and various transfer functions. Generally, the traveling route and behavior can be controlled by a computer, or the traveling route can be set up by using an electromagnetic rail, the electromagnetic rail is adhered to the floor, and the unmanned transport vehicle can move and operate according to the information brought by the electromagnetic rail.

Need change the scene of material at the mill, AGV tractor and skip are connected through the AGV lifter pin of locating on the AGV tractor, and there is following technical problem at present AGV lifter pin in the use:

1. the lifting pin of the AGV needs to be lifted for many times during each transfer, the AGV is frequently used, the lifting pin and the lifting plate are fixed by using bolts, and the bolts can be loosened after the AGV is used for a long time, so that the lifting pin and the lifting plate are connected and loosened and even fall off;

2. the lifting pin mechanism is arranged in the vehicle body, so that the bolt fastening is inconvenient, and the cylindrical lifting pin is more inconvenient to fasten;

3. the lifting pin has a relatively complex structure and is inconvenient to maintain.

In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the defects are overcome, and provides an AGV lifting pin which can realize the automatic butt joint of an AGV tractor and a material vehicle, and the problem that the lifting pin is connected with a lifting plate and is loosened and falls off due to long-time use in the butt joint process is solved; the lifting pin does not need to be fastened in the using process; simple and reasonable structure, and convenient later maintenance.

For solving the technical problem, the utility model discloses a following technical scheme:

an AGV lifting pin comprises an inverted U-shaped plate at the upper part and a U-shaped plate at the lower part, wherein a side plate of the inverted U-shaped plate is provided with a long-strip-shaped guide sliding hole, a bottom plate of the inverted U-shaped plate is provided with a vertically arranged linear bearing, a lifting pin is arranged inside the linear bearing, the lower end of a main body of the lifting pin is provided with a cylindrical mounting hole, a compression spring is arranged inside the mounting hole, the compression spring is sleeved on a spring supporting rod, the spring supporting rod and the lifting pin are arranged in a collinear mode along the axis, the lower end part of the spring supporting rod is provided with a screw hole, and the spring supporting rod; a shaft shoulder is arranged outside the lower end of the lifting pin main body, a lifting plate is arranged at the shaft shoulder, and the lifting plate is fixed through a clamp spring; one side end of the lifting plate is provided with a convex strip which is arranged in the guide sliding hole in a penetrating mode.

Further, the motor is arranged outside the right side plate of the inverted U-shaped plate, the motor is fixed to the surface of one side plate of the inverted U-shaped plate through the mounting seat, the axis of the motor output shaft is perpendicular to the axis of the lifting pin, the lifting cam is mounted on the motor output shaft, and the lifting cam is in contact fit with the upper surface of the lifting plate.

Further, the opening of the inverted U-shaped plate is arranged downwards, the opening of the U-shaped plate is arranged upwards, and the open end of the inverted U-shaped plate is fixedly connected with the open end of the U-shaped plate through a bolt.

Furthermore, one side of the upper part of the guide sliding hole is provided with an upper limit switch, one side of the lower part of the guide sliding hole is provided with a lower limit switch, and the upper limit switch and the lower limit switch are positioned on the same side of the guide sliding hole.

Further, the center line of the mounting hole is arranged in line with the axis of the lifting pin.

Further, the central line of the screw hole and the axis of the spring support rod are arranged in a collinear mode.

Further, the guide sliding holes are formed in the length direction of the side plates of the inverted U-shaped plate.

The utility model adopts the above technical scheme after, compare with prior art, have following advantage:

in the AGV lifting pin provided by the utility model, the lifting cam is driven by the motor to rotate, the lifting cam enables the lifting pin to descend by pressing the lifting plate, the lifting pin rises under the resilience force of the compression spring, and the automatic butt joint of the AGV tractor and the material vehicle is realized; the utility model improves the original bolt fixing mode between the lifting pin and the lifting plate, and avoids the problems of loose connection and even falling off of the lifting pin and the lifting plate due to the loose of the bolt; the AGV lifting pin provided by the utility model does not need to be fastened in the using process; the utility model has the advantages of simple and reasonable structure, the use is firm, the maintenance in the later stage of being convenient for, and the cost of manufacture is lower.

The present invention will be described in detail with reference to the accompanying drawings and examples.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a cross-sectional view of the structure of FIG. 1;

fig. 3 is a side view of the present invention;

in the figure, the position of the upper end of the main shaft,

1-inverted U-shaped plate, 101-guide sliding hole, 2-U-shaped plate, 3-linear bearing, 4-lifting pin, 401-mounting hole, 5-compression spring, 6-spring support rod, 61-screw hole, 7-lifting plate, 71-raised strip, 8-clamp spring, 9-upper limit switch, 10-lower limit switch, 11-motor, 12-mounting seat and 13-lifting cam.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.

Embodiment 1 AGV Lift Pin

As shown in fig. 1, 2 and 3, the utility model provides an AGV lifting pin, which comprises an upper inverted U-shaped plate 1 and a lower U-shaped plate 2, wherein the opening of the inverted U-shaped plate 1 is arranged downwards, the opening of the U-shaped plate 2 is arranged upwards, and the open end of the inverted U-shaped plate 1 is fixedly connected with the open end of the U-shaped plate 2 through bolts; a long-strip-shaped guide sliding hole 101 is formed in the left side plate of the inverted U-shaped plate 1, and the guide sliding hole 101 is formed in the length direction of the side plate of the inverted U-shaped plate.

A linear bearing 3 which is vertically arranged is arranged on a bottom plate of the inverted U-shaped plate 1, the linear bearing 3 is fixed through bolts which are uniformly distributed on the circumference, and a lifting pin 4 which is vertically arranged is arranged in the linear bearing 3; the lower end of the main body of the lifting pin 4 is provided with a cylindrical mounting hole 401, and the central line of the mounting hole 401 and the axis of the lifting pin 4 are arranged in a collinear way; a compression spring 5 is arranged in the mounting hole 401, the lifting pin 4 can be lifted by resilience force of the compression spring 5, the compression spring 5 is sleeved on a spring support rod 6, and the spring support rod 6 and the lifting pin 4 are arranged in a collinear manner; the lower end part of the spring supporting rod 6 is provided with a screw hole 61, the central line of the screw hole 61 and the axis of the spring supporting rod 6 are arranged in a collinear manner, the spring supporting rod 6 is vertically fixed on the upper surface of the bottom plate of the U-shaped plate 2 through a screw, and the screw is screwed into the screw hole 61 to fix the spring supporting rod 6.

A shaft shoulder is arranged outside the lower end of the main body of the lifting pin 4, a lifting plate 7 is arranged at the shaft shoulder, the lifting plate 7 is fixed at the lower part of the main body of the lifting pin 4 through a clamp spring 8, and the lifting plate 7 is used for driving the lifting pin 4 to descend; a convex strip 71 is arranged at one side end part of the lifting plate 7, the lifting plate 7 and the convex strip 71 are integrally formed, the convex strip 71 penetrates through the guide sliding hole 101, and the convex strip 71 vertically lifts along the guide sliding hole 101; an upper limit switch 9 is arranged on one side of the upper part of the guide sliding hole 101, a lower limit switch 10 is arranged on one side of the lower part of the guide sliding hole 101, and the upper limit switch 9 and the lower limit switch 10 are positioned on the same side of the guide sliding hole 101; when the convex strip 71 on the lifting plate 7 touches the upper limit switch 9 or the lower limit switch 10, the motor 11 is powered off.

A motor 11 is arranged outside the right side plate of the inverted U-shaped plate 1, and the motor 11 is fixed on the surface of the right side plate of the inverted U-shaped plate 1 through a mounting seat 12; the axis of the output shaft of the motor 11 is perpendicular to the axis of the lifting pin 4, a lifting cam 13 is mounted on the output shaft of the motor 11, and the lifting cam 13 is in contact fit with the upper surface of the lifting plate 7.

The utility model discloses a concrete theory of operation:

when the motor 11 is electrified to drive the lifting cam 13 to rotate, the lifting plate 7 is tightly pressed in the rotating process of the lifting cam 13, so that the lifting plate 7 descends, the lifting pin 4 descends while the lifting plate 7 descends, after the convex strip 71 at the end part of the lifting plate 7 touches the lower limit switch 10, the motor 11 is powered off, the lifting cam 13 stops rotating, the lifting pin 4 finishes descending action, and the compression spring 5 is compressed and stored with descending of the lifting pin 4; when the lifting pin 4 needs to perform lifting action, the motor 11 is powered on to drive the lifting cam 13 to rotate, the lifting cam 13 releases the pressed lifting plate 7, the lifting pin 4 and the lifting plate 7 rise under the action of resilience force of the compression spring 5, after the convex strip 71 at the end part of the lifting plate 7 touches the upper limit switch 9, the motor 11 is powered off, the lifting cam 13 stops rotating, and the lifting pin 4 completes lifting action.

The foregoing is illustrative of the best mode of the invention, and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.

Claims

1. An AGV lifting pin, its characterized in that: the device comprises an inverted U-shaped plate (1) at the upper part and a U-shaped plate (2) at the lower part, wherein a side plate of the inverted U-shaped plate (1) is provided with a long-strip-shaped guide sliding hole (101), a vertically arranged linear bearing (3) is arranged on a bottom plate of the inverted U-shaped plate (1), a lifting pin (4) is arranged inside the linear bearing (3), a cylindrical mounting hole (401) is formed at the lower end of a main body of the lifting pin (4), a compression spring (5) is arranged inside the mounting hole (401), the compression spring (5) is sleeved on a spring support rod (6), the spring support rod (6) and the axis of the lifting pin (4) are arranged in a collinear mode, the lower end part of the spring support rod (6) is provided with a screw hole (61), and the spring support rod (; a shaft shoulder is arranged outside the lower end of the main body of the lifting pin (4), a lifting plate (7) is mounted at the shaft shoulder, and the lifting plate (7) is fixed through a clamp spring (8); one side end of the lifting plate (7) is provided with a convex strip (71), and the convex strip (71) penetrates through the guide sliding hole (101).

2. An AGV lift pin according to claim 1 wherein: the motor (11) is arranged outside the right side plate of the inverted U-shaped plate (1), the motor (11) is fixed on the surface of a side plate of the inverted U-shaped plate (1) through a mounting seat (12), the axis of an output shaft of the motor (11) is perpendicular to the axis of the lifting pin (4), the lifting cam (13) is installed on the output shaft of the motor (11), and the lifting cam (13) is in contact fit with the upper surface of the lifting plate (7).

3. An AGV lift pin according to claim 1 wherein: the opening of the inverted U-shaped plate (1) is arranged downwards, the opening of the U-shaped plate (2) is arranged upwards, and the open end of the inverted U-shaped plate (1) is fixedly connected with the open end of the U-shaped plate (2) through a bolt.

4. An AGV lift pin according to claim 1 wherein: an upper limit switch (9) is arranged on one side of the upper portion of the guide sliding hole (101), a lower limit switch (10) is arranged on one side of the lower portion of the guide sliding hole (101), and the upper limit switch (9) and the lower limit switch (10) are located on the same side of the guide sliding hole (101).

5. An AGV lift pin according to claim 1 wherein: the central line of the mounting hole (401) and the axis of the lifting pin (4) are arranged in a collinear way.

6. An AGV lift pin according to claim 1 wherein: the central line of the screw hole (61) and the axis of the spring support rod (6) are arranged in a collinear way.

7. An AGV lift pin according to claim 1 wherein: the guide sliding holes (101) are formed in the length direction of the side plates of the inverted U-shaped plate.