CN221047686U - Abnormal shape slider link mechanism - Google Patents

Abstract

The application discloses a special-shaped sliding block connecting rod mechanism, which is applied to the technical field of clamps and is used for controlling the distance when welding an automobile welding piece based on a swing-in swing-out type operation mode. And the positioning module is used for positioning the swinging-in and swinging-out of the special-shaped sliding block connecting rod mechanism. And the braking module is used for setting and controlling the special-shaped sliding block connecting rod mechanism. The driving module is used for providing driving force for the swing-in and swing-out type operation mode of the special-shaped sliding block connecting rod mechanism. The connecting module is used for mechanically connecting the braking module, the positioning module and the driving module. The technical problem that the welding fixture in the prior art is large in occupied space of device arrangement and low in durability under a large amount of splashing environment is solved.

Description

Abnormal shape slider link mechanism

Technical Field

The application relates to the technical field of clamps, in particular to a special-shaped sliding block connecting rod mechanism.

Background

The welding of the automobile parts is an important procedure for automobile production, a welding fixture for robot welding is also important equipment essential for welding the automobile parts, and the mechanism design and the selection on the welding fixture are very important for the quality control of the welding of the automobile parts. The assembly of automobile parts such as front and rear auxiliary frames, control arms and bumpers involves the need to maintain accurate spacing between welding parts for use in mounting other parts. The spacing required to be maintained during welding is ensured by the mechanism setting of the welding fixture, so that the dimensional accuracy after welding is met, and the influence of welding and other factors on quality is avoided. In the prior art, the clamp commonly used is a slide block straight-in clamp, and the occupation space of the device is larger due to the adoption of a straight-in mode, so that the high-density arrangement of the machine position is not facilitated, and meanwhile, the structure of the slide block straight-in clamp is exposed, so that the clamp is high in use abrasion under a large amount of splashing environments, and the positioning precision of the clamp is affected.

Therefore, in the prior art, the welding fixture has the technical problems that the occupied space of the device is large, and the durability of the welding fixture in a large amount of splashing environment is low.

Disclosure of Invention

The utility model provides a special-shaped slider link mechanism, has solved the welding jig in prior art and has had occupation space that the device set up big, and the welding jig is lower technical problem of durability under a large amount of environment that splashes.

In order to solve the problems, the application provides a special-shaped sliding block connecting rod mechanism, which is used for controlling the interval when welding an automobile welding piece based on a swing-in and swing-out type operation mode, and comprises a positioning module, wherein the positioning module is used for positioning and braking the swing-in and swing-out of the special-shaped sliding block connecting rod mechanism, the braking module is used for setting a control driving module for the special-shaped sliding block connecting rod mechanism, the driving module is used for providing a driving force connecting module for the swing-in and swing-out type operation mode of the special-shaped sliding block connecting rod mechanism, and the connecting module is used for mechanically connecting the braking module, the positioning module and the driving module.

Preferably, the positioning module further comprises a positioning block, the positioning block comprising: the upper swing positioning block is positioned above the lower swing positioning block; and the lower swing positioning block is positioned below the upper swing positioning block. The positioning module further comprises a compression spring, and the compression spring is located between the upper swing positioning block and the lower swing positioning block. The positioning module further includes a stop assembly comprising: an upper stop block for defining an upper swing amplitude of the upper swing positioning block; the lower stop block is used for limiting the lower swing amplitude of the lower swing positioning block, and is positioned below the upper stop block; and the upper stop block connecting bracket is used for connecting and supporting the upper stop block.

Preferably, the braking module comprises:

The first micro switch is used for regulating and controlling the position of the lower stop block;

The second micro switch is used for regulating and controlling the position of the upper stop block, and is positioned above the first micro switch;

The connecting bracket is used for connecting and supporting the first micro switch.

Preferably, the driving module further comprises:

The driving cylinder is used for providing driving force for the swing-in and swing-out type operation mode of the special-shaped sliding block connecting rod mechanism;

The cylinder rod is positioned above the driving cylinder, and the driving cylinder provides power for swinging in and out for the positioning block through the cylinder rod;

And the cylinder lower hinge support is positioned below the driving cylinder and used for supporting the driving cylinder.

Preferably, the profiled slider link mechanism further comprises a base, and the connection module further comprises:

the first hinge rotating shaft is used for mechanically connecting the brake module with the base;

The second hinge rotating shaft is used for mechanically connecting the positioning module and the driving module;

The third hinge rotating shaft is used for mechanically connecting the upper swing positioning block and the lower swing positioning block in the positioning module;

the fourth hinge rotating shaft is used for mechanically connecting the lower cylinder hinge support in the driving module with the base;

The first hinge rotating shaft, the second hinge rotating shaft, the third hinge rotating shaft and the fourth hinge rotating shaft jointly form a hinge rotating shaft assembly of the connecting module.

The connecting module further comprises an adjusting gasket which is used for adjusting the height of the lower swinging positioning block in the positioning blocks.

Compared with the conventional sliding block straight-in type unit structure with larger occupied width, the special-shaped sliding block connecting rod mechanism provided by the application has the advantages that the special-shaped sliding block connecting rod mechanism is smaller in occupied width, and the whole of the upper swing positioning block 1 and the lower swing positioning block 2 is smaller. Because the embedded rotating shaft is used, even if the embedded rotating shaft is used in an environment that a large amount of spatters are generated during welding, the spatters do not influence the efficiency of the rotating shaft, and the manufacturing, using and maintaining costs are low. Compared with a conventional slide block straight-in type inlet and outlet unit, the special-shaped slide block connecting rod type mechanism has lower requirements on machining precision, and correspondingly has low manufacturing cost and maintenance cost. Compared with a conventional slide block straight-in type inlet and outlet unit, the sliding block straight-in type inlet and outlet unit has the advantages of being good in deformation resistance, long in service life, low in manufacturing and maintaining cost, small in occupied clamp space, beneficial to operation and use and the like. The technical problem that the welding fixture has the device to set up large occupied space and the durability of the welding fixture is lower in a large amount of splashing environment in the prior art is solved.

The foregoing description is only an overview of the present application, and is intended to be implemented in accordance with the teachings of the present application in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present application more readily apparent.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings of the embodiments of the present disclosure will be briefly described below. It is apparent that the figures in the following description relate only to some embodiments of the present disclosure and are not limiting of the present disclosure.

FIG. 1 is a first axial view of a special-shaped slider-link mechanism according to an embodiment of the present application;

FIG. 2 is a second axial view of a special-shaped slider-link mechanism according to an embodiment of the present application;

FIG. 3 is a front view of a profiled slider bar linkage provided in an embodiment of the present application;

FIG. 4 is a side view of a film changing mechanism of a special-shaped slider link mechanism provided by an embodiment of the application;

FIG. 5 is a schematic diagram showing a swing-in state of a film changing mechanism of a special-shaped slider link mechanism according to an embodiment of the present application

Fig. 6 is a schematic diagram of a swing-out state of a film changing mechanism of a special-shaped slider link mechanism according to an embodiment of the present application.

Reference numerals illustrate: the device comprises an upper swing positioning block 1, a lower swing positioning block 2, a first hinged rotating shaft 3, a base 4, a lower cylinder hinge support 5, a driving cylinder 6, a cylinder rod 7, a lock nut 8, a second hinged rotating shaft 9, a compression spring 10, a third hinged rotating shaft 11, a fourth hinged rotating shaft 12, an adjusting gasket 13, a positioning block 14, a first micro switch 15, a second micro switch 16, a micro switch connecting bracket 17, a lower stop block 18, an upper stop block 19 and an upper stop block connecting bracket 20.

Detailed Description

Example 1

The present application will be further described in detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present application more apparent, and the described embodiments should not be construed as limiting the present application, and all other embodiments obtained by those skilled in the art without making any inventive effort are within the scope of the present application.

Referring to fig. 1, 2, 3 and 4, an embodiment of the present application provides a profiled slider linkage for pitch control when welding of an automotive weldment is performed based on a swing-in swing-out mode of operation, the profiled slider linkage comprising;

The positioning module is used for positioning the swinging-in and swinging-out of the special-shaped sliding block connecting rod mechanism;

The braking module is used for setting and controlling the special-shaped sliding block connecting rod mechanism;

The driving module is used for providing driving force for the swing-in and swing-out type operation mode of the special-shaped sliding block connecting rod mechanism;

the connecting module is used for mechanically connecting the braking module, the positioning module and the driving module.

The positioning module further comprises a positioning block 14, and the positioning block 14 comprises: an upper swing positioning block 1, wherein the upper swing positioning block 1 is positioned above the lower swing positioning block 2; and the lower swing positioning block 2 is positioned below the upper swing positioning block 1. And the positioning module further comprises a compression spring 10, wherein the compression spring 10 is positioned between the upper swing positioning block 1 and the lower swing positioning block 2.

The positioning module further includes a stop assembly comprising: an upper stopper 19, wherein the upper stopper 19 is used for limiting the upper swing amplitude of the upper swing positioning block 1; a lower stopper 18, wherein the lower stopper 18 is used for limiting the lower swing amplitude of the lower swing positioning block 2, and the lower stopper 18 is positioned below the upper stopper 19; an upper stopper connecting bracket 20, the upper stopper connecting bracket 20 being used for connecting and supporting the upper stopper 19.

The braking module includes: a first micro switch for regulating and controlling the position of the lower stopper 18; the second micro switch is used for regulating and controlling the position of the upper stop block 19, and is positioned above the first micro switch; the connecting bracket is used for connecting and supporting the first micro switch.

The driving module further includes: a driving cylinder 6, wherein the driving cylinder 6 is used for providing driving force for the swing-in and swing-out type operation mode of the special-shaped sliding block connecting rod mechanism; the cylinder rod is positioned above the driving cylinder 6, and the driving cylinder 6 provides power for swinging in and out to the positioning block 14 through the cylinder rod; meanwhile, a cylinder rod in the driving cylinder 6 is connected with the b hinged rotating shaft through a lock nut 8. And the cylinder lower hinge support 5 is positioned below the driving cylinder 6 and used for supporting the driving cylinder 6.

The special-shaped sliding block connecting rod mechanism further comprises a base 4, and the connecting module further comprises: the first hinge rotating shaft 3 is used for mechanically connecting the brake module with the base 4; the second hinge rotating shaft 9 is used for mechanically connecting the positioning module and the driving module; the third hinge rotating shaft 11 is used for mechanically connecting the upper swing positioning block 1 and the lower swing positioning block 2 in the positioning module; a fourth hinge shaft 12, wherein the fourth hinge shaft 12 is used for mechanically connecting the cylinder lower hinge support 5 in the driving module with the base 4; wherein, the first hinge shaft 3, the second hinge shaft 9, the third hinge shaft 11 and the fourth hinge shaft 12 together form a hinge shaft assembly of the connection module.

The connection module further comprises an adjusting pad 13 for adjusting the height of the lower swing positioning block 2 in the positioning block 14.

Example two

As shown in fig. 5 and 6, in the embodiment, a specific usage mode of the special-shaped slider link mechanism is further provided, in the swing-in state of the special-shaped slider link mechanism, the driving cylinder 6 is used for retracting the cylinder rod 7, and meanwhile, the second hinge rotating shaft 9 is driven to move downwards, the limiting second hinge rotating shaft 9 of the first hinge rotating shaft 3 moves downwards to drive the lower swing positioning block 2 to move upwards in an inclined manner, at this time, the upper swing positioning block 1 is separated from the movement limitation of the lower stop block 18 and the upper stop block 19, and the upper swing positioning block 1 is close to the lower swing positioning block 2 to achieve tightening through the limit of the third hinge rotating shaft 11 under the action of the compression spring 10, so that the device finally achieves the swing-out state. The adjusting gasket 13 adjusts the height of the positioning block 14 to further realize accurate limiting of the lower swing positioning block 2, and the state of the special-shaped sliding block link mechanism can be obtained based on the micro switch in the actual production process of the micro switch a 15 and the micro switch b 16.

In the swinging-out state of the special-shaped sliding block connecting rod mechanism, the cylinder rod 7 is stretched by the driving cylinder 6, and meanwhile, the second hinge rotating shaft 9 is driven to move upwards, and the lower swing positioning block 2 is driven to move downwards in an inclined manner due to the fact that the limiting second hinge rotating shaft 9 of the first hinge rotating shaft 3 moves upwards, and the movement is stopped after the lower swing positioning block 2 contacts the positioning block 14 in the moving process. Meanwhile, under the action of the compression spring 10 in the moving process of the lower swing positioning block 2, the upper swing positioning block 1 moves downwards, when the upper stop block 19 of the upper swing positioning block 1 contacts the lower stop block 18, the upper swing positioning block 1 stops moving and completes the compression of the compression spring 10, at the moment, the upper swing positioning block 1 and the lower swing positioning block 2 recover to the original positions, and finally the device reaches the swinging-in state. Compared with the conventional slide block straight-in type inlet and outlet unit structure with larger occupied width, the special-shaped slide block connecting rod mechanism has smaller occupied width, the whole of the upper swing positioning block 1 and the lower swing positioning block 2 is smaller, preferably 45.53mm in the swinging-in state, the whole of the upper swing positioning block 1 and the lower swing positioning block 2 is smaller in the swinging-out state, and a preferred assembly is transited from 45.53mm to 32.17mm. The special-shaped sliding block connecting rod type mechanism is low in manufacturing, using and maintaining cost because of the embedded rotating shaft, and the splashing can not influence the efficiency of the rotating shaft even if the special-shaped sliding block connecting rod type mechanism is used in an environment that a large amount of splashing is generated during welding. Compared with a conventional slide block straight-in type inlet and outlet unit, the special-shaped slide block connecting rod type mechanism has lower requirements on machining precision, and correspondingly has low manufacturing cost and maintenance cost. Compared with a conventional slide block straight-in type inlet and outlet unit, the sliding block straight-in type inlet and outlet unit has the advantages of being good in deformation resistance, long in service life, low in manufacturing and maintaining cost, small in occupied clamp space, beneficial to operation and use and the like.

Note that the above is only a preferred embodiment of the present application and the technical principle applied. It will be understood by those skilled in the art that the present application is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the application. Therefore, while the application has been described in connection with the above embodiments, the application is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the application, which is set forth in the following claims.

Claims (8)

1. The utility model provides a special-shaped slider link mechanism, its characterized in that, special-shaped slider link mechanism is used for carrying out the interval control when the welding of car weldment based on pendulum income pendulum formula work pattern, special-shaped slider link mechanism includes:

The positioning module is used for positioning the swinging-in and swinging-out of the special-shaped sliding block connecting rod mechanism;

The braking module is used for setting and controlling the special-shaped sliding block connecting rod mechanism;

The driving module is used for providing driving force for the swing-in and swing-out type operation mode of the special-shaped sliding block connecting rod mechanism;

the connecting module is used for mechanically connecting the braking module, the positioning module and the driving module.

2. The profiled slider bar linkage of claim 1 wherein the positioning module further comprises a positioning block comprising:

the upper swing positioning block is positioned above the lower swing positioning block;

and the lower swing positioning block is positioned below the upper swing positioning block.

3. The profiled slider bar linkage of claim 2 wherein the positioning module further comprises a compression spring located between the upper and lower wobble positioning blocks.

4. The profiled slider link mechanism of claim 3 wherein the positioning module further comprises a stop assembly comprising:

An upper stop block for defining an upper swing amplitude of the upper swing positioning block;

The lower stop block is used for limiting the lower swing amplitude of the lower swing positioning block, and is positioned below the upper stop block;

And the upper stop block connecting bracket is used for connecting and supporting the upper stop block.

5. The profiled slider bar mechanism of claim 4 wherein the braking module comprises:

The first micro switch is used for regulating and controlling the position of the lower stop block;

The second micro switch is used for regulating and controlling the position of the upper stop block, and is positioned above the first micro switch;

The connecting bracket is used for connecting and supporting the first micro switch.

6. The profiled slider bar linkage of claim 2 wherein the drive module further comprises:

The driving cylinder is used for providing driving force for the swing-in and swing-out type operation mode of the special-shaped sliding block connecting rod mechanism;

The cylinder rod is positioned above the driving cylinder, and the driving cylinder provides power for swinging in and out for the positioning block through the cylinder rod;

And the cylinder lower hinge support is positioned below the driving cylinder and used for supporting the driving cylinder.

7. The profiled slider bar mechanism of claim 6, wherein the profiled slider bar mechanism further comprises a base, the connection module further comprising:

the first hinge rotating shaft is used for mechanically connecting the brake module with the base;

The second hinge rotating shaft is used for mechanically connecting the positioning module and the driving module;

The third hinge rotating shaft is used for mechanically connecting the upper swing positioning block and the lower swing positioning block in the positioning module;

the fourth hinge rotating shaft is used for mechanically connecting the lower cylinder hinge support in the driving module with the base;

The first hinge rotating shaft, the second hinge rotating shaft, the third hinge rotating shaft and the fourth hinge rotating shaft jointly form a hinge rotating shaft assembly of the connecting module.

8. The profiled slider bar linkage of claim 7 wherein said connection module further comprises an adjustment spacer for height adjustment of said lower swing one of said positioning blocks.