CN212553888U

CN212553888U - Modular plane floating mechanism for grabbing

Info

Publication number: CN212553888U
Application number: CN202021344638.4U
Authority: CN
Inventors: 刘伟军; 王静; 姜楠
Original assignee: Shenyang Huiyuan Automation Equipment Co ltd
Current assignee: Shenyang Huiyuan Automation Equipment Co ltd
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2021-02-19
Anticipated expiration: 2030-07-08

Abstract

The utility model particularly relates to a modularization plane relocation mechanism for snatching automobile parts. The method is characterized in that: the device comprises a lower plate assembly, a sliding assembly, a limiting assembly and a locking assembly; the lower plate assembly, the sliding assembly and the limiting assembly are connected together through bolts; the limiting assembly is provided with an adjusting unit which limits the position of the lower plate assembly; the sliding component is in point-to-point contact with the limiting component and the lower plate component; the lower plate component is provided with a fixing device, and the locking component is arranged on the limiting component, penetrates through the limiting component and is connected with the fixing device. This device can be connected at terminal positions such as manipulator, truss, through setting up spacing subassembly, the subassembly that slides and locking Assembly, can avoid the work piece to snatch and the hard collision between the work piece when assembling, reduces work piece damage compact structure, and occupation space is little, extensive applicability, and the practicality is strong.

Description

Modular plane floating mechanism for grabbing

Technical Field

The utility model belongs to the technical field of the automobile parts work piece snatchs, concretely relates to modularization plane relocation mechanism for snatching automobile parts.

Background

Along with the development of economy in China, the production and assembly of automobiles are also developed quickly, and meanwhile, a plurality of problems are caused, for example, when an engine cylinder cover is grabbed by a manipulator, pin positioning is generally adopted, and the consistency of grabbing positions is not high; due to the fact that the pin and the hole cannot be butted due to accumulated errors, if the manipulator grabs according to a preset program, hard collision between the positioning pin and the positioning hole of the workpiece is avoided, and the workpiece is gouged or scratched. In order to enable a manipulator to efficiently and easily grab a workpiece, a modular plane floating mechanism for grabbing needs to be designed.

SUMMERY OF THE UTILITY MODEL

The purpose of the invention is as follows:

the utility model provides a modularization plane relocation mechanism for snatch, its aim at snatch and the assembly time work piece between the hard collision and lead to the work piece to collide with the problem that the damage exists to the work piece.

The technical scheme is as follows:

a modular plane floating mechanism for grabbing comprises a lower plate assembly, a sliding assembly, a limiting assembly and a locking assembly; the lower plate assembly, the sliding assembly and the limiting assembly are connected together through bolts; the limiting assembly is provided with an adjusting unit which limits the position of the lower plate assembly; the sliding component is in point-to-point contact with the limiting component and the lower plate component; the lower plate component is provided with a fixing device, and the locking component is arranged on the limiting component, penetrates through the limiting component and is connected with the fixing device.

The sliding component comprises a supporting plate and rolling bodies, the supporting plate is a torus, and a plurality of rolling bodies which are distributed circumferentially are embedded in the upper surface and the lower surface of the solid part of the torus; the sliding assemblies are four and are arranged at four corners of the lower plate assembly and the limiting assembly, the hollow part of the ring body connects the lower plate assembly and the limiting assembly together through bolts, and the lower plate assembly and the limiting assembly are in point-to-point contact with rolling bodies of the sliding assemblies.

The periphery of the limiting assembly is provided with an adjusting unit, the adjusting unit is fixed on the limiting assembly and comprises a baffle plate and an adjusting bolt, the baffle plate and the lower plate assembly are arranged perpendicularly, the adjusting bolt penetrates through the baffle plate, and the lower plate assembly is limited by the bolt.

The locking assembly comprises a driving unit, a locking pin and a connecting seat, the driving unit is arranged on the connecting seat, the connecting seat is arranged on the limiting assembly, the fixing device on the lower plate assembly is a locking sleeve, one end of the locking pin is connected with the driving unit, the locking pin penetrates through the connecting seat and the limiting assembly, and the other end of the locking pin is connected with the locking sleeve.

The advantages and effects are as follows:

1. the utility model has the advantages of reasonable structural design, compact and reliable structure and small occupied space;

2. the device can move in any direction in a plane, the response is rapid, and the friction force is small;

3. a certain floating amount is provided during grabbing, so that workpieces are prevented from being gouged;

4. has a locking function; the device can be connected to the tail end parts of a mechanical arm, a truss and the like, and can avoid hard collision between workpieces during workpiece grabbing and assembling and reduce workpiece damage by arranging the limiting assembly, the sliding assembly and the locking assembly.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front view of the orthographic projection of the present invention;

fig. 3 is a schematic structural view of the limiting assembly and the locking assembly of the present invention;

FIG. 4 is a front projection sectional view of the present invention;

fig. 5 is a schematic structural view of the sliding assembly of the present invention.

Reference numerals: 1. lower plate assembly, 11, bottom plate, 12, lock sleeve, 2, slip subassembly, 21, backup pad, 22, rolling element, 3, spacing subassembly, 31, baffle, 32, connecting plate, 4, locking subassembly, 41, fitting pin, 42, connecting seat, 43, drive unit, 5, the fitting pin.

Detailed Description

The invention will be further explained with reference to the drawings:

as shown in fig. 1-5, a modular plane floating mechanism for grabbing comprises a lower plate component 1, a sliding component 2, a limiting component 3 and a locking component 4; the lower plate assembly 1, the sliding assembly 2 and the limiting assembly 3 are connected together through bolts; the limiting assembly 3 is provided with an adjusting unit which limits the position of the lower plate assembly 1; the sliding component 2 is in point-to-point contact with the limiting component 3 and the lower plate component 1; the lower plate component 1 is provided with a fixing device, and the locking component 4 is arranged on the limiting component 3, penetrates through the limiting component 3 and is connected with the fixing device.

Specifically, the lower plate assembly 1, the sliding assembly 2 and the limiting assembly 3 are connected in series by the connecting pin 5 and locked by the locking nut; certain gaps exist among the connecting pin 5, the lower plate assembly 1, the sliding assembly 2 and the limiting assembly 3, so that the moving distance is ensured not to be too large; this device can be connected at terminal positions such as manipulator, truss, through setting up spacing subassembly 3, subassembly 2 and locking Assembly 4 that slide, can avoid the work piece to snatch and the hard collision between the work piece when assembling, reduces the work piece damage, also shows its compact structure simultaneously, and occupation space is little, extensive applicability, and the practicality is strong.

The sliding component 2 comprises a support plate 21 and rolling bodies 22, the support plate 21 is a circular ring body, and a plurality of rolling bodies 22 which are distributed circumferentially are embedded on the upper surface and the lower surface of a solid part of the circular ring body; the four sliding assemblies 2 are arranged at four angular positions of the lower plate assembly 1 and the limiting assembly 3, the hollow part of the torus connects the lower plate assembly 1 and the limiting assembly 3 together through bolts, and the lower plate assembly 1 and the limiting assembly 3 are in point-to-point contact with the rolling bodies 22 of the sliding assemblies 2.

Specifically, the relative motion of subassembly 1 and spacing subassembly 3 can be increased to the subassembly 2 that slides, directly reduces the friction between subassembly 1 and spacing subassembly 3 down, through the setting of four subassemblies that slide, relative motion can be more stable and nimble when making spacing subassembly 3 carry out the fine adjustment to subassembly 1 down, prevents that contact failure from causing the motion of subassembly 1 down not steady.

The peripheral end surfaces of the limiting assemblies 3 are respectively provided with an adjusting unit, and the adjusting units are fastened with the connecting plate 32 through bolts; the adjusting unit comprises a baffle plate and an adjusting bolt, the baffle plate 31 is perpendicular to the lower plate assembly 1, two threaded holes are horizontally formed in each baffle plate, and the threaded holes are used for penetrating through the adjusting bolt to limit the lower plate assembly 1.

The limiting component 3 is a connecting plate 32, and the four connecting pins 5 sequentially penetrate through the first pin holes of the lower plate component 1, the supporting plate 21 and the connecting plate 32 from bottom to top respectively. Through the setting of connecting pin 5, make the holistic stability of this device good, convenient dismantlement.

Specifically, the adjusting unit can finely adjust the lower plate assembly 1 and the gripped workpiece by screwing in and out the adjusting bolt, thereby reducing hard collision.

More specifically, each rolling body 22 can freely rotate in any direction in a plane, and the rolling bodies 22 are in point-to-point contact with the lower plate assembly 1 and the limiting assembly 3, so that the sliding in any direction in the plane can be quickly realized, the friction force is small, the arrangement of the rolling bodies is beneficial to offsetting a clamped object, and hard collision is reduced; the limiting component 3 can be directly replaced by an inner ring of a thrust ball bearing or a plurality of bull's eye bearings.

The locking assembly 4 comprises a driving unit 43, a locking pin 41 and a connecting seat 42, a locking sleeve 12 is arranged on the upper surface of the connecting plate 32, the driving unit 43 is arranged on the connecting seat 42, the connecting seat 42 is fixed on the limiting assembly 3, one end of the locking pin 41 is connected with the driving unit 43 and then penetrates through a second pin hole of the connecting seat 42 and the connecting plate 32, and the other end of the locking pin 41 is connected and fixed with the locking sleeve 12 of the lower plate assembly 1.

Specifically, the connecting seat 42 is connected with the connecting plate 32 through a screw and a pin; the driving unit 43 can be a pneumatic or electric element or other elements without limitation, the connecting seat 42 and the locking pin 41 have a certain matching relationship, the locking pin 41 can move up and down along the connecting seat 42, and when the pneumatic or electric element is locked, the locking assembly 4, the limiting assembly 3 and the lower plate assembly 1 are locked, so that the positioning precision during locking is ensured; the pneumatic or electric element drives the locking pin 41 to have a certain floating amount when grabbing the workpiece, so that the position can be stably changed, and the workpiece is prevented from being gouged.

The lower plate assembly 1 comprises a bottom plate 11 and a locking sleeve 12, wherein the locking sleeve 12 is arranged at the center of the upper surface of the bottom plate 11 and corresponds to the second pin hole.

In particular, the locking sleeve 12 is used to define the locking pin 41, and the lower plate assembly 1 may be directly connected to the grasping mechanism by welding/riveting/bolting, connecting, etc.

The specific using method comprises the following steps: when the locking assembly 4 is loosened, the lower plate assembly 1 and the limiting assembly 3 can move relatively in any direction in a plane, the limiting assembly 3 limits the lower plate assembly 1 to move in a certain range, and the limiting range of the limiting assembly 3 can be adjusted through the adjusting bolt, so that collision and friction among workpieces during grabbing and assembling are reduced, and the grabbing butt joint accuracy is improved; when the locking assembly 4 is locked, the locking pin 41 is inserted into the locking sleeve 12 to lock and fix the whole device, so that displacement is avoided in the movement process, and stable operation is ensured.

Claims

1. A modular planar floatation mechanism for grasping, characterized by: comprises a lower plate component (1), a sliding component (2), a limiting component (3) and a locking component (4); the lower plate component (1), the sliding component (2) and the limiting component (3) are connected together through bolts; the limiting assembly (3) is provided with an adjusting unit which limits the position of the lower plate assembly (1); the sliding component (2) is in point-to-point contact with the limiting component (3) and the lower plate component (1); the lower plate component (1) is provided with a fixing device, and the locking component (4) is arranged on the limiting component (3), penetrates through the limiting component (3) and is connected with the fixing device.

2. The modular planar floatation mechanism for gripping according to claim 1, wherein: the sliding component (2) comprises a support plate (21) and rolling bodies (22), the support plate (21) is a torus, and a plurality of rolling bodies (22) which are distributed circumferentially are embedded in the upper surface and the lower surface of a solid part of the torus; the four sliding assemblies (2) are arranged at four angular positions of the lower plate assembly (1) and the limiting assembly (3), the hollow part of the ring body connects the lower plate assembly (1) and the limiting assembly (3) together through bolts, and the lower plate assembly (1) and the limiting assembly (3) are in point-to-point contact with a rolling body (22) of the sliding assembly (2).

3. The modular planar floatation mechanism for gripping according to claim 1, wherein: the adjusting unit is arranged around the limiting assembly (3) and fixed on the limiting assembly (3), the adjusting unit comprises a baffle and an adjusting bolt, the baffle is perpendicular to the lower plate assembly (1), the adjusting bolt penetrates through the baffle, and the lower plate assembly (1) is limited by the bolt.

4. The modular planar floatation mechanism for gripping according to claim 1, wherein: locking Assembly (4) include drive unit (43), fitting pin (41) and connecting seat (42), drive unit (43) set up on connecting seat (42), connecting seat (42) set up on spacing subassembly (3), fixing device on hypoplastron subassembly (1) is a lock sleeve (12), the one end and the drive unit (43) of fitting pin (41) are connected, fitting pin (41) pass connecting seat (42) and spacing subassembly (3), the other end and the lock sleeve (12) of fitting pin (41) are connected.