CN210588360U

CN210588360U - Push-pull clamping mechanism

Info

Publication number: CN210588360U
Application number: CN201921257212.2U
Authority: CN
Inventors: 杨旭; 郝一鸣; 李奇放
Original assignee: Huaxiao Precision Suzhou Co ltd
Current assignee: Huaxiao Precision Suzhou Co ltd
Priority date: 2019-08-05
Filing date: 2019-08-05
Publication date: 2020-05-22
Anticipated expiration: 2029-08-05

Abstract

The utility model provides a push-and-pull clamping mechanism belongs to automatic production line technical field, include: the supporting seat structure is suitable for being fixed on the ground between the starting point and the end point of the movement of the trolley; the moving platform is arranged on the supporting seat structure and can move back and forth along the supporting seat structure under the action of the translation driving mechanism; the clamping swing arm is connected to the moving platform and is provided with two clamping jaws which are rotatably connected through a rotating shaft, the clamping jaws extend towards the front end of the moving platform, which is used for being close to the trolley, and the two clamping jaws are clamped or opened through rotating around the rotating shaft under the action of the opening and clamping driving device; the utility model discloses a push-and-pull clamping mechanism makes parking angle and the position accurate determination of platform truck, and the position of parking of platform truck at every turn does not have the change basically, consequently, can be as little as possible with the push-and-pull clamping mechanism's of adjacent position interval setting to the interval of saving the station.

Description

Push-pull clamping mechanism

Technical Field

The utility model relates to an automation line technical field, concretely relates to push-and-pull clamping mechanism.

Background

With the rise of the manufacturing industry in China, the logistics industry is developed rapidly, and the production line of an enterprise is quietly transited from a fixed production line which can only produce one product to a flexible production line with strong adaptability.

The logistics trolley is also called a cargo trolley or a cage trolley, and a turnover trolley, and is a unit moving container device which is provided with four trundles and used for transporting and storing materials. Is commonly used for logistics turnover between factory processes. The logistics trolley is a transportation tool in the logistics industry and the production industry, and can ensure that the production line space runs as much as possible. The assembly and disassembly are labor-saving; and due to the arrangement of the caster wheels, the push is greatly facilitated.

In the prior art, for the movement of the trolley between the fixed point and the fixed point, most of the trolleys are manually pushed, or a small number of trolleys are provided with the AGV under each trolley, so that the movement of the trolley is controlled, but after the trolleys controlled by the trolleys reach the terminal, the position of the trolley is required to be adjusted for many times, and then the trolley can be accurately placed at the required angle and position, particularly when the trolleys are parked at two sides and the required position at the rear side is accurately parked in the middle, the manual pushing is more difficult to realize.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the invention is to overcome the defect that the trolley cannot be accurately parked after being conveyed to a terminal point in the prior art, and thus, the push-pull clamping mechanism is provided.

In order to solve the technical problem, the utility model provides a push-and-pull clamping mechanism, include:

the supporting seat structure is suitable for being fixed on the ground between the starting point and the end point of the movement of the trolley;

the moving platform is arranged on the supporting seat structure and can move back and forth along the supporting seat structure under the action of the translation driving mechanism;

press from both sides tight swing arm, connect on the moving platform, have two clamping jaws of rotating the connection through the pivot, the clamping jaw orientation moving platform's the front end that is used for being close to the platform truck stretches out, two the clamping jaw is under the effect of opening and pressing from both sides drive arrangement, through revolving the rotation of axis and pressing from both sides tightly or open.

Preferably, the mobile platform includes:

a platform frame for being perpendicular to the support seat structure proximate a front end edge of the trolley.

Preferably, the tensioning and clamping driving device is fixed on the platform frame, and the driving end is connected with the two clamping jaws through sliding blocks; the sliding block with the clamping jaw is connected through first pivot rotation.

Preferably, the middle of the clamping jaw is connected with the platform frame in a sliding mode through a connecting rod, one end of the connecting rod is connected with the platform frame in a rotating mode through a second rotating shaft, and the other end of the connecting rod is connected with the clamping jaw in a rotating mode through a third rotating shaft.

Preferably, the mobile platform further comprises:

and the trolley detection system is provided with a distance sensor arranged at the front end close to the platform frame, and the distance sensor is electrically connected with the controller of the translation driving mechanism and/or the tensioning and clamping driving device.

Preferably, the distance sensor is fixedly connected with the platform frame through a vertical plate arranged on the platform frame, and two ends of the vertical plate, which are located on the distance sensor, are provided with protection blocks.

Preferably, the method further comprises the following steps:

and the positioning sensors are connected at two ends of the supporting seat structure and are electrically connected with the translation driving mechanism and/or the controller of the tension driving device.

Preferably, two positioning sensors are respectively and sequentially arranged at each end of the supporting seat structure.

Preferably, the supporting seat structure includes:

a support frame;

the two sliding rails are respectively connected with the two side edges of the supporting frame;

the ground foot components are provided with a plurality of ground foot components which are uniformly distributed on two sides of the supporting frame, the upper ends of the ground foot components are adjustably connected with the supporting frame, and the lower ends of the ground foot components are fixedly connected with the ground.

Preferably, a rack is fixed on the support frame along the direction of the slide rail;

the moving platform is provided with a gear matched with the rack, and the gear is driven by a motor.

The technical scheme of the utility model, following advantage has:

1. the utility model provides a push-and-pull clamping mechanism, press from both sides the platform truck through pressing from both sides tight swing arm and press from both sides tightly, make the platform truck be connected with moving platform, moving platform removes along supporting seat structure under translation actuating mechanism's effect, under supporting seat structure's guide, can transport the terminal point with the accurate starting point from supporting seat structure of platform truck, park angle and position accurate definite with the platform truck, and add the position after target in place at every turn and basically not change, therefore, can be as little as possible with the interval setting of adjacent position's push-and-pull clamping mechanism's interval, with the interval of saving the station, and simultaneously, after the interval is little, the probability that personnel's mistake was gone into diminishes, the security obtains great assurance.

2. The utility model provides a push-and-pull clamping mechanism, moving platform's the front end border that is used for being close to the platform truck, the perpendicular to supporting seat structure is pressing from both sides tight swing arm and is pressing from both sides tight platform truck after, and the platform truck is withstood to platform frame's front end, can finely tune the angle of platform truck for platform truck perpendicular to supporting seat structure moves the back along supporting seat structure, can the accurate parking in the terminal point of angle.

3. The utility model provides a push-pull clamping mechanism, the front end of the clamping jaw is rotationally connected with a sliding block through a rotating shaft, the middle part is connected with a platform frame through a connecting rod in a sliding way, an opening and clamping driving device drives the sliding block to move, drives the clamping jaw to open and close, and realizes the clamping and the opening of a trolley; one end of the connecting rod is rotatably connected with the platform frame through a rotating shaft; when the clamping swing arm clamps the trolley, the front and back stress directions of the trolley and the rotating point of the clamping swing arm are basically collinear, so that the force arm is greatly reduced, the trolley is not easy to shake after being clamped, and the trolley is convenient for personnel to operate.

4. The utility model provides a push-pull clamping mechanism, the mobile platform also comprises a trolley detection system, a distance sensor and a controller, wherein the distance sensor is arranged near the front end of the platform frame, when the distance sensor touches the trolley, a signal is transmitted to the controller, the mobile platform stops moving, and a clamping swing arm clamps the trolley; the whole process is more intelligent.

5. The utility model provides a push-and-pull clamping mechanism still includes: the positioning sensors are connected to two ends of the supporting seat structure, two positioning sensors are arranged at each end of the supporting seat structure in sequence, and when the mobile platform reaches a specified position, the positioning sensors transmit signals to control the mobile platform to stop, so that the mobile platform is automated.

6. The utility model provides a push-and-pull clamping mechanism, supporting seat structure includes: the supporting frame is provided with racks along the direction of the sliding rail, the meshing surface of the rack assembly is adjusted to a vertical surface through angle conversion of an output shaft of the quadrature axis motor, and the possibility of clamping stagnation is greatly reduced.

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 perspective view of the present invention.

Fig. 2 is a perspective structural view of the mobile platform of the present invention.

Fig. 3 is an exploded view of the mobile platform of the present invention.

Fig. 4 is a three-dimensional structure diagram of the supporting seat structure of the present invention.

Fig. 5 is a partially enlarged view of a portion a in fig. 4.

Description of reference numerals:

1. a support base structure; 2. a mobile platform; 3. a translation drive mechanism; 4. a clamping jaw; 5. a folder driving device; 6. a platform frame; 7. a slider; 8. a connecting rod; 9. a distance sensor; 10. a positioning sensor; 11. a support frame; 12. a slide rail; 13. a foot margin assembly; 14. a rack; 15. a first rotating shaft; 16. a second rotating shaft; 17. and a third 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.

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 double-layer push-pull clamping mechanism provided by the embodiment, as shown in fig. 1, includes: the device comprises a supporting seat structure 1, a moving platform 2 and a clamping swing arm;

the supporting seat structure 1 is fixed on the ground between the starting point and the end point of the trolley movement, the upper end of the supporting seat structure is provided with a moving platform 2, the moving platform 2 moves back and forth along the supporting seat structure under the action of a translation driving mechanism 3, and a clamping swing arm is arranged on the moving platform 2.

As shown in fig. 2, the moving platform 2 includes a platform frame 6 and a trolley detection system, the platform frame 6 is used for being close to the front edge of the trolley and perpendicular to the supporting seat structure, an opening and clamping driving device 5 is fixedly arranged on the upper surface of the platform frame 6, a driving end of the opening and clamping driving device 5 is fixedly connected with a sliding block 7, and the sliding block 7 is slidably arranged on the platform frame 6. The slide block 7 is pushed by the tension drive device 5 and moves. The upper surface of sliding block 7 is rotated through the one end of first pivot 15 with clamping jaw 4 and is connected, and the other end of clamping jaw 4 stretches out towards the front end that is used for being close to the platform truck of moving platform 2, and the middle part of clamping jaw 4 and the one end of connecting rod 8 are passed through third pivot 17 and are rotated and be connected, and the other end of connecting rod 8 rotates through second pivot 16 and platform frame 6 and is connected. The opening and clamping driving device 5 can adopt an air cylinder, when the air cylinder pushes the sliding block 7 forwards to move, the sliding block 7 drives the clamping jaw 4 to rotate along the third rotating shaft 17, and simultaneously drives the connecting rod 8 to move along the second rotating shaft 16 to the direction far away from the moving platform 2, so that the clamping jaw is opened; when the sliding block 7 is pulled backwards by the cylinder, the clamping jaws are closed, and the trolley is clamped.

When pressing from both sides tight swing arm and being in the clamping state to the platform truck, no matter the platform truck is in any position for the supporting seat structure, the stress direction is in the same line basically with the rotation point who presss from both sides tight swing arm around the platform truck in the structure, the arm of force that significantly reduces for when pressing from both sides tight back platform truck and receiving the external force of left right direction, the platform frame can bear most power.

As shown in fig. 3, a translation driving mechanism 3 is arranged at the rear end of the platform frame 6, the translation driving mechanism 3 is a quadrature axis motor, and the output end of the quadrature axis motor is connected with a gear which is meshed with a rack on the supporting seat structure; the orthogonal axis motor adjusts the meshing surface of the rack assembly to a vertical surface through the angle conversion of the plurality of axes, and the possibility of clamping stagnation is greatly reduced. The front end of the platform frame is provided with a trolley detection system, the trolley detection system is provided with a distance sensor 9 arranged at the front end close to the platform frame, and the distance sensor 9 is electrically connected with the translation driving mechanism 3 and a controller of the tension clamping driving device 5.

As shown in fig. 4, the supporting seat structure includes: a support frame 11, a slide rail 12 and a foot assembly 13; specifically, the ground foot components 13 are provided with a plurality of ground foot components, the lower ends of the ground foot components are fixedly connected with the ground, the upper ends of the ground foot components are connected with the supporting frame 11 in an adjustable mode, the supporting frame 11 is connected with a starting point and an end point of movement of the trolley, two side edges of the upper end of the supporting frame 11 are respectively and fixedly connected with sliding rails 12, racks 14 are fixed in the extending direction of the sliding rails 12, and the racks 14 are matched with gears driven by a motor.

As shown in fig. 5, the two ends of the supporting frame 11 are provided with positioning sensors 10, and the positioning sensors 10 are electrically connected with the controllers of the translation driving mechanism 3 and the tension drive device 5, respectively. Two positioning sensors 10 are sequentially arranged at two ends of the supporting seat structure close to the starting point and the end point.

Method of use and principles

When the mobile platform 2 is positioned at one end of the supporting seat structure 1 far away from the trolley, the motor of the translation driving mechanism 3 is started to drive the gear at the output end of the motor to rotate, the gear is meshed with the rack to drive the mobile platform to move towards the direction close to the trolley along the slide rail 12, the distance sensor 9 of the trolley detection system transmits the distance to the trolley in real time, when the positioning sensor 10 detects that the mobile platform 2 reaches the edge of the supporting frame, the motor is controlled to stop rotating, after the distance sensor 9 detects the distance of the trolley, the opening and clamping driving device 5 is started to push the sliding block 7 to move forwards, so as to drive the clamping jaw 4 to move along the third rotating shaft in the direction far away from the platform frame 6, meanwhile, the connecting rod 8 is pushed to rotate along the second rotating shaft 16, the clamping jaw 4 is opened and simultaneously touches the trolley, and the opening and clamping driving device 5 pulls the sliding block 7, so that the clamping jaw is closed and the trolley is clamped; the motor starts to drive the trolley to move, after the trolley is moved to a proper position, a worker completes operation, the clamping jaw is opened, and the trolley is loosened to complete operation.

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. Push-and-pull clamping mechanism, its characterized in that includes:

the supporting seat structure (1) is suitable for being fixed on the ground between the starting point and the end point of the movement of the trolley;

the moving platform (2) is arranged on the supporting seat structure and can move back and forth along the supporting seat structure (1) under the action of the translation driving mechanism (3);

press from both sides tight swing arm, connect on the moving platform, have two clamping jaws (4) of rotating the connection through the pivot, the clamping jaw orientation the front end that is used for being close to the platform truck of moving platform (2) stretches out, two the clamping jaw is under the effect of opening clamp drive arrangement (5), presss from both sides tightly or opens through revolving the rotation of axes.

2. The push-pull clamping mechanism as claimed in claim 1 wherein the moving platform comprises:

a platform frame (6) for being perpendicular to the support seat structure proximate a front end edge of the trolley.

3. Push-pull clamping mechanism according to claim 2, characterized in that the tensioning drive (5) is fixed to the platform frame (6), the drive being connected to the two clamping jaws (4) by means of sliding blocks (7);

the sliding block (7) is rotationally connected with the clamping jaw (4) through a first rotating shaft.

4. Push-pull clamping mechanism according to claim 3, characterized in that the middle of the jaw is slidably connected to the platform frame (6) by means of a connecting rod (8), one end of the connecting rod (8) being rotatably connected to the platform frame (6) by means of a second rotating shaft (16), the other end of the connecting rod (8) being rotatably connected to the jaw by means of a third rotating shaft (17).

5. The push-pull clamping mechanism as recited in claim 2 wherein the moving platform further comprises:

the trolley detection system is provided with a distance sensor (9) which is arranged at the front end close to the platform frame (6), and the distance sensor is electrically connected with the controller of the translation driving mechanism (3) and/or the stretching and clamping driving device (5).

6. Push-pull clamping mechanism according to claim 5, characterized in that the distance sensor (9) is fixedly connected by means of vertical plates provided on the platform frame (6), which vertical plates are provided with a protection block at both ends of the distance sensor.

7. The push-pull clamping mechanism as recited in claim 1, further comprising:

and the positioning sensors (10) are connected to the two ends of the supporting seat structure (1) and are electrically connected with the translation driving mechanism (3) and/or the controller of the tension driving device (5).

8. Push-pull clamping mechanism according to claim 7, characterised in that two positioning sensors are provided one after the other at each end of the supporting seat structure (1).

9. The push-pull clamping mechanism as claimed in claim 1 wherein said support shoe structure comprises:

a support frame (11);

two slide rails (12) respectively connected with two sides of the support frame;

the ground foot components (13) are uniformly distributed on two sides of the supporting frame, the upper ends of the ground foot components are adjustably connected with the supporting frame, and the lower ends of the ground foot components are fixedly connected with the ground.

10. The push-pull clamping mechanism as claimed in claim 9 wherein the support frame has a rack fixed thereto along the track;