CN210592224U

CN210592224U - Blocking mechanism

Info

Publication number: CN210592224U
Application number: CN201921337932.XU
Authority: CN
Inventors: 刘勉; 毛连春; 杨文�
Original assignee: Huaxiao Precision Suzhou Co ltd
Current assignee: Huaxiao Precision Suzhou Co ltd
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2020-05-22
Anticipated expiration: 2029-08-16

Abstract

The utility model provides a blocking mechanism, include: the device comprises a base plate, a blocking block, a connecting plate, a connecting block and a limiting block; the blocking block is rotationally connected to the substrate and has a blocking state vertical to the substrate and a passable state parallel to the substrate; the connecting plate is connected with the blocking block, and one end of the connecting plate is rotationally connected to the substrate; one end of the connecting rod is rotatably connected with the connecting block; the connecting block is arranged along the base plate in a parallel sliding manner and is rotatably connected with the other end of the connecting rod; the distance between the third rotating shaft and the substrate is smaller than that between the first rotating shaft and the substrate, and when the connecting block slides towards the blocking direction, the connecting rod pulls the blocking block from the blocking state to the passable state; the limiting block is fixed on the substrate and is positioned behind the connecting block or the third rotating shaft; when the blocking block is in a blocking state, the third rotating shaft is positioned behind the second rotating shaft, and the distance between the third rotating shaft and the second rotating shaft is smaller than the distance between the second rotating shaft and the substrate; the utility model discloses a stop mechanism can provide enough big power of blockking for blockking the piece through the stopper.

Description

Blocking mechanism

Technical Field

The utility model relates to a AGV skip location technical field, concretely relates to stop mechanism.

Background

AGVs (automated Guided vehicles), also known as automated Guided vehicles, can replace workers to transport materials and complete material transport and transfer between stations and warehouses. Wherein, a block for advancing line location to the AGV skip, need nimble setting, stop it when needs the AGV skip to stop promptly, when needs the AGV skip to get into next station, can remove stopping to the AGV, make the AGV skip normally function.

In the prior art, the stop block for positioning the AGV skip is mostly driven by the air cylinder, so that the stop block can be changed between a stop position and a position for stopping removal, and the normal operation of the AGV skip is ensured.

However, in the prior art, after the air cylinder for driving the blocking block moves the blocking block to the blocking position, the blocking block needs to block the workpiece by means of the thrust of the air cylinder, and therefore the blocking block often cannot provide a sufficient blocking force.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the present invention lies in overcoming the blocking mechanism for AGV skip location in the prior art, and only relies on the cylinder to provide the blocking force, resulting in the defect that the blocking force is not big enough, thereby providing a blocking mechanism capable of solving or improving the above problems.

In order to solve the technical problem, the utility model provides a stop gear, include:

a substrate;

the blocking block is rotationally connected to the substrate and has a blocking state vertical to the substrate and a passable state parallel to the substrate;

the connecting plate is connected with the blocking block, and one end of the connecting plate is rotatably connected to the base plate through a first rotating shaft;

one end of the connecting rod is rotatably connected with the other end of the connecting block, which is opposite to the first rotating shaft, through a second rotating shaft;

the connecting block is arranged along the substrate in a parallel sliding manner and is rotationally connected with the other end of the connecting rod through a third rotating shaft; the distance between the third rotating shaft and the base plate is smaller than that between the first rotating shaft and the base plate, and when the connecting block slides towards the blocking direction of the blocking block, the blocking block is pulled to be in a passing state from a blocking state through the connecting rod;

the limiting block is fixed on the substrate and is positioned behind the connecting block or the third rotating shaft; when the stop block is in the stop state, the third rotating shaft is located behind the second rotating shaft, the distance between the third rotating shaft and the second rotating shaft is smaller than that between the second rotating shaft and the substrate, and the limiting block stops at the connecting block or behind the third rotating shaft.

Preferably, the third connecting shaft is provided with a blocking portion extending out of the connecting rod towards at least one side in the axial direction, and the limiting block is arranged behind the blocking portion.

Preferably, a polyurethane plate is arranged on one surface of the blocking block facing to the blocking direction.

Preferably, the method further comprises the following steps:

and the driving assembly is connected to the substrate and is provided with a linear driving end, and the linear driving end is connected with the rear part of the connecting block.

Preferably, the drive assembly comprises a pneumatic cylinder.

Preferably, the method further comprises the following steps:

the rotating wheel is rotatably connected to the connecting block, so that the connecting block is supported on the base plate through the rotating wheel;

and the wear-resisting plate is connected to the base plate and is positioned between the rotating wheel and the base plate.

Preferably, the runner is a bearing.

Preferably, the method further comprises the following steps:

and the fixing plates are fixedly arranged on two sides of the connecting block of the base plate, and the upper parts of the fixing plates are rotatably connected with the connecting plate through first rotating shafts.

Preferably, a flange for connecting with the first rotating shaft is arranged above the fixed plate.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a stop gear, include: the device comprises a base plate, a stop block, a connecting plate, a connecting rod, a connecting block and a limiting block; the blocking block is rotationally connected to the substrate and has a blocking state vertical to the substrate and a passable state parallel to the substrate; the connecting plate is connected with the blocking block, and one end of the connecting plate is rotatably connected to the base plate through a first rotating shaft; one end of the connecting rod is rotatably connected with one end of the connecting block through a second rotating shaft; the connecting block is arranged along the substrate in a parallel sliding manner and is rotationally connected with the other end of the connecting rod through a third rotating shaft; the distance between the third rotating shaft and the substrate is smaller than that between the first rotating shaft and the substrate, and when the connecting block slides towards the blocking direction of the blocking block, the blocking block is pulled to be in a passing state from the blocking state through the connecting rod; the limiting block is fixed on the substrate and is positioned behind the connecting block or the third rotating shaft; when the stop block is in the stop state, the third rotating shaft is located behind the second rotating shaft, the distance between the third rotating shaft and the second rotating shaft is smaller than that between the second rotating shaft and the substrate, and the limiting block stops at the connecting block or behind the third rotating shaft. The blocking effect is realized by the matching of the blocking block and the limiting block, and the limiting block is fixedly connected with the substrate, so that enough blocking force can be provided for the blocking block; the stop block can be horizontally retracted, and sufficient passing space is provided for the passage of the skip car.

2. The utility model provides a blocking mechanism, the third connecting shaft is provided with a blocking part extending out of the connecting rod towards at least one side along the axial direction, and the limiting block is arranged behind the blocking part; the limiting block limits the third connecting shaft to move towards the direction of the limiting block, and blocking force is provided for the vertical blocking state of the blocking block.

3. The utility model provides a stop mechanism, the orientation that blocks the piece blocks the one side that the direction is equipped with the polyurethane board, the polyurethane board plays protection and cushioning effect for blockking the collision.

4. The blocking mechanism provided by the utility model also comprises a driving component which is connected on the base plate and is provided with a linear driving end, and the linear driving end is connected with the rear part of the connecting block; the driving assembly provides driving force for horizontal retraction of the blocking block, and automatic retraction and avoidance can be achieved.

5. The utility model provides a stop gear, drive assembly include the cylinder, and the cylinder action is very fast, can drive the connecting block and dodge rapidly, saves the transit time.

6. The utility model provides a stop gear still includes: a runner and a wear plate; the rotating wheel is rotationally connected to the connecting block, so that the connecting block is supported on the base plate through the rotating wheel and moves in a matching manner with the wear-resisting plate; the friction force is reduced by the rotating wheel, the avoidance requirement can be met by using the cylinder with smaller driving force, and the cost and the arrangement space are saved.

7. The utility model provides a stop gear, the runner adopts the bearing, and the wearability of bearing is better to can bear certain radial force.

8. The utility model provides a stop gear still includes: the fixing plates are fixedly arranged on two sides of the connecting block of the substrate, and the upper parts of the fixing plates are rotationally connected with the connecting plate through a first rotating shaft; the connecting plate is connected with the base plate through the fixing plate, so that the stop block can swing around the rotating shaft of the fixing plate.

9. The utility model provides a blocking mechanism, the top of the fixed plate is provided with a flange used for connecting with the first rotating shaft; the flange is beneficial to the horizontal retraction of the blocking block, and an avoidance space is provided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a blocking mechanism in a blocking state;

FIG. 2 is a schematic structural view of a blocking mechanism in a parallel state;

FIG. 3 is a front view of the fixing plate of FIG. 1 with one side omitted;

fig. 4 is a front view of the fixing plate of fig. 2 with one side omitted.

Description of reference numerals:

1. a blocking portion; 2. a connecting rod; 3. a second rotating shaft; 4. a blocking block; 5. a limiting block; 6. a cylinder; 7. A floating joint; 8. connecting blocks; 9. a rotating wheel; 10. a wear plate; 11. a substrate; 12. a fixing plate; 13. a connecting plate; 14. a first rotating shaft.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

The blocking mechanism provided by the embodiment comprises: base plate 11, stop block 4, connecting plate 13, connecting rod 2, connecting block 8 and stopper 5.

As shown in fig. 1, two fixing plates 12 are symmetrically and vertically connected to a substrate 11, and a flange is disposed above the fixing plates 12; one end of each of the two connecting plates 13 penetrates through and is fixedly connected to the first rotating shaft 14, and is rotatably connected to the side edges with flanges of the two fixing plates 12 through the first rotating shaft 14; the blocking blocks 4 are symmetrically connected at the two connecting plates 13, and the blocking surfaces of the blocking blocks are connected with polyurethane plates, so that the blocking blocks 4 can rotate around the axes of the flanges; the other ends of the two fixing plates 12 are respectively connected with one end parts of the two connecting rods 2 through second rotating shafts 3 in a rotating way; the other ends of the two connecting rods 2 are respectively connected with the two ends of a third rotating shaft in a rotating way, wherein the vertical distance between the third rotating shaft and the substrate 11 is smaller than the vertical distance between the first rotating shaft 14 and the substrate 11, so that the blocking block 4 can be driven to rotate around the shaft by driving the third rotating shaft to move.

As shown in fig. 1, the middle part of the third rotating shaft is connected to the driving end of a driving assembly through a connecting block 8, wherein the driving assembly adopts a cylinder 6, the cylinder 6 is horizontally and fixedly connected to a substrate 11, and the driving end of the cylinder is provided with a floating joint 7; wherein, the middle part of the third rotating shaft is connected with a rotating wheel 9, the rotating wheel 9 is a bearing, the rotating wheel 9 is positioned inside the connecting block 8, and the rotating wheel 9 supports the connecting block 8 and makes the bottom part separate from the base plate 11; the air cylinder 6 drives the connecting block 8 to move, so that the rotating wheel 9 slides along the wear-resisting plate 10 laid on the base plate 11, the third rotating shaft is driven to horizontally move along the direction of the driving force, and finally the barrier block 4 swings around the axis of the flange; wherein, the symmetry is equipped with two stopper 5 on the base plate 11, just stopper 5 is located the rear of third pivot all the time.

The stop block 4 has two holding states, when the cylinder 6 is in a contraction state, as shown in fig. 1 and fig. 3, the stop block 4 and the substrate 11 are kept in a vertical state, and the distance between the third rotating shaft and the second rotating shaft 3 is smaller than the distance between the second rotating shaft 3 and the substrate 11; the blocking parts 1 extending out of the two ends of the third rotating shaft are close to the limiting block 5, and the limiting block 5 provides blocking force for the blocking block 4.

When the cylinder 6 is in an extended state, as shown in fig. 2 and 4, the blocking block 4 is in a horizontal state, and the distance between the third rotating shaft and the second rotating shaft 3 is greater than the distance between the second rotating shaft 3 and the substrate 11; the blocking parts 1 extending out of the two ends of the third rotating shaft are far away from the limiting block 5.

The using method comprises the following steps:

when the skip car needs to be blocked, when the air cylinder 6 contracts to enable the blocking part 1 to abut against the limiting block 5, the air cylinder 6 pushes the third rotating shaft to move towards a position close to the limiting block, and then the connecting rod 2 drives the blocking block 4 to rotate to a vertical position, and the limiting block 5 provides blocking force for the blocking part 1; when the skip needs to pass, the cylinder 6 extends to make the blocking part 1 be away from the limiting block 5, the cylinder 6 pushes the third rotating shaft to move towards the position away from the limiting block, and then the connecting rod 2 drives the blocking block 4 to rotate to the horizontal position to avoid the skip.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A blocking mechanism, comprising:

a substrate (11);

the blocking block (4) is rotationally connected to the base plate (11) and has a blocking state vertical to the base plate (11) and a passable state parallel to the base plate (11);

the connecting plate (13) is connected with the stop block (4), and one end of the connecting plate is rotatably connected to the base plate (11) through a first rotating shaft (14);

one end of the connecting rod (2) is rotatably connected with the other end, opposite to the first rotating shaft (14), of the connecting block (8) through the second rotating shaft (3);

the connecting block (8) is arranged along the base plate (11) in a parallel sliding mode and is rotatably connected with the other end of the connecting rod (2) through a third rotating shaft; the distance between the third rotating shaft and the base plate (11) is smaller than the distance between the first rotating shaft (14) and the base plate (11), and when the connecting block (8) slides towards the direction blocking the blocking block (4), the blocking block (4) is pulled to be in a passable state from a blocking state through the connecting rod (2);

the limiting block (5) is fixed on the substrate (11) and is positioned behind the connecting block (8) or the third rotating shaft; when the blocking block (4) is located at a blocking state, the third rotating shaft is located at the rear of the second rotating shaft (3), the distance between the third rotating shaft and the second rotating shaft (3) is smaller than the distance between the second rotating shaft (3) and the substrate (11), and the limiting block (5) blocks the rear of the connecting block (8) or the third rotating shaft.

2. The blocking mechanism according to claim 1, characterized in that the third axis of rotation has a blocking portion (1) that protrudes axially towards at least one side of the connecting rod (2), the stop block (5) being arranged behind the blocking portion (1).

3. Blocking mechanism according to claim 1, characterized in that the blocking tab (4) is provided with a polyurethane plate on its side facing in the blocking direction.

4. The blocking mechanism of claim 1, further comprising:

the driving assembly is connected to the base plate (11) and is provided with a linear driving end, and the linear driving end is connected with the rear part of the connecting block (8).

5. Blocking mechanism according to claim 4, characterized in that the drive assembly comprises a cylinder (6).

6. The blocking mechanism of claim 1, further comprising:

the rotating wheel (9) is rotatably connected to the connecting block (8), so that the connecting block (8) is supported on the base plate (11) through the rotating wheel (9);

and the wear plate (10) is connected to the base plate (11) and is positioned between the rotating wheel (9) and the base plate (11).

7. A blocking mechanism according to claim 6, characterized in that the runner (9) is implemented as a bearing.

8. The blocking mechanism of claim 1, further comprising:

and the fixing plates (12) are fixedly arranged on two sides of the connecting block (8) of the base plate (11), and the upper parts of the fixing plates are rotationally connected with the connecting plate (13) through a first rotating shaft (14).

9. Blocking mechanism according to claim 8, characterized in that the fixing plate (12) has a flange above it for connection to the first rotation axis (14).