CN219649152U - Hold-down device and assembly hold-down production line - Google Patents

Abstract

The utility model relates to production assembly of engineering machinery, in particular to a compacting device and an assembly compacting production line, wherein the compacting device comprises a mounting structure, a moving mechanism and a cantilever, one end of the cantilever is connected with the mounting structure through the moving mechanism, the other end of the cantilever is provided with a compacting mechanism capable of compacting a workpiece, the moving mechanism can drive the cantilever to move along the length direction of the mounting structure, the compacting mechanism is connected with the cantilever through a first driving mechanism, and the first driving mechanism can drive the compacting mechanism to move up and down along the height direction of the mounting structure. The device can compress tightly the work piece that needs the assembly automatically, has improved assembly accuracy, has saved manpower and time when having guaranteed to compress tightly efficiency, has improved work efficiency.

Description

Hold-down device and assembly hold-down production line

Technical Field

The utility model relates to production and assembly of engineering machinery, in particular to a compacting device. The utility model also relates to an assembly compaction line comprising the compaction device.

Background

In the production engineering of engineering machinery, the assembly among a lot of parts adopts manual assembly more, take the central revolving body of excavator as an example, the central revolving body is the main spare part of excavator, mostly cast, work piece uniformity is relatively poor, and there are a lot of oil pipe joints on the central revolving body, prevent central revolving body to screw up the installation, consequently, the assembly of present excavator central revolving body adopts manual installation to screw up mostly, it is time consuming and laborious, the technology can't ensure, and be difficult to realize installation process record and statistics, can't satisfy the demand of present industry informatization promptly, there are too many like the cast of central revolving body, during the assembly, because its structure is complicated in many, and adopt manual assembly, it is time consuming and laborious.

Therefore, a novel compressing device is needed to be designed.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the pressing device which can automatically press workpieces to be assembled, improves the assembly precision, ensures the pressing efficiency, saves manpower and time and improves the working efficiency.

In order to solve the technical problems, the utility model provides a pressing device which comprises a mounting structure, a moving mechanism and a cantilever, wherein one end of the cantilever is connected with the mounting structure through the moving mechanism, the other end of the cantilever is provided with a pressing mechanism capable of pressing a workpiece, the moving mechanism can drive the cantilever to move along the length direction of the mounting structure, the pressing mechanism is connected with the cantilever through a first driving mechanism, and the first driving mechanism can drive the pressing mechanism to move up and down along the height direction of the mounting structure.

Further, the cantilever lifting device further comprises a limiting mechanism, wherein the limiting mechanism is installed on the installation structure, and when the cantilever moves to a set position along the installation structure, the limiting mechanism can limit the cantilever.

Further, stop gear includes spacing cylinder, dog and is used for detecting cantilever movement position's first inductive switch, the dog pass through spacing cylinder with mounting structure is connected, spacing cylinder is used for the drive the dog is followed mounting structure's direction of height reciprocates, first inductive switch is used for detecting whether the cantilever reaches working position.

Further, the mounting structure comprises a cross beam and a pair of upright posts which are oppositely arranged, two ends of the cross beam are respectively connected with the corresponding upright posts, and the moving mechanism drives the cantilever to move along the length direction of the cross beam.

Further, the moving mechanism comprises a moving structure and a second driving mechanism, the moving structure is paved on the cross beam along the length direction of the cross beam, the cantilever is movably installed on the cross beam through the moving structure, and the second driving mechanism can drive the cantilever to move along the length direction of the cross beam.

Further, the moving structure comprises a guide rail and a sliding block which is connected with the guide rail in a relatively sliding manner, the guide rail is installed on the cross beam, and the sliding block is installed at the bottom of the cantilever.

Further, the pressing mechanism is rotationally connected with the first driving mechanism through a floating connection structure, so that the application direction of the pressing force applied by the pressing mechanism to the workpiece is always perpendicular to the mounting surface of the workpiece.

Further, the floating connection structure is a steel ball, and the pressing mechanism is rotationally connected with the first driving mechanism through the steel ball.

Further, a second inductive switch for detecting whether the cantilever reaches the avoidance position is further arranged on the side wall of the cross beam.

The utility model further discloses an assembly compaction production line, which comprises the compaction device according to any one of the technical schemes.

Further, including being used for right work piece compresses tightly work compress tightly operating point, AGV, be used for right work piece transport and upset AGV transport upset operating point and through the robot right the transport assembly operating point that the work piece carries and assembles, closing device the AGV reaches wireless communication connects between the robot.

Through the technical scheme, the utility model has the following beneficial effects:

the utility model provides a compressing device which comprises a mounting structure, a moving mechanism and a cantilever, wherein one end of the cantilever is movably connected with the mounting structure through the moving mechanism, the other end of the cantilever is provided with the compressing mechanism, the compressing mechanism is connected with the mounting structure through a first driving mechanism, the moving mechanism can drive the cantilever to move along the length direction of the mounting structure, and the first driving mechanism can drive the compressing mechanism to move up and down along the height direction of the mounting structure. According to the utility model, the workpiece is compressed by the compressing mechanism so as to facilitate subsequent work such as assembly of the workpiece, the manual work intensity can be reduced, the working efficiency and the assembly accuracy can be improved, and the compressing mechanism on the cantilever is driven by the moving mechanism, so that the compressing point position can be adjusted, and interference to other workpieces at the assembly station can be avoided.

Additional features and advantages of the utility model will be set forth in the detailed description which follows.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:

FIG. 1 is a schematic overall construction of an embodiment of the compression device of the present utility model;

FIG. 2 is a front view of the compression device of the present utility model;

fig. 3 is an enlarged view at a of fig. 2;

FIG. 4 is a top view of the compression device of the present utility model;

fig. 5 is a top view of the assembly compaction line of the present utility model.

Description of the reference numerals

1 mounting structure 11 crossbeam

12 stand 2 moving mechanism

21 second driving mechanism 22 guide rail

23 slider 3 suspension

31 first driving mechanism 4 compressing mechanism

5 spacing cylinder of stop gear 51

52 stop 53 first inductive switch

6 second inductive switch 7 compresses tightly operating point

8AGV transport upset operating point 9 transport assembly operating point

Detailed Description

The following detailed description of the embodiments of the utility model is provided in connection with the accompanying drawings, it being understood that the embodiments described herein are for purposes of illustration and explanation only, and the scope of the utility model is not limited to the following embodiments.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "configured," "mounted," "engaged," "connected," and "laid" are to be construed broadly, and for example, the connection may be a direct connection, an indirect connection via an intermediate medium, a fixed connection, a removable connection, or an integral connection; either directly or indirectly via intermediate connectors, or by communication between or interaction between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, and thus, features defining "first," "second," or the like, may explicitly or implicitly include one or more of such features.

In the present utility model, unless otherwise indicated, directional terms such as "upper and lower" are defined with respect to the inner and outer directions of the corresponding components, and further "lengthwise direction" is defined with reference to the direction in which the mounting structure 1 is used, and in particular, in the drawings provided in the present utility model, the azimuth or positional relationship is used based on the azimuth or positional relationship shown in the drawings, for convenience of description and simplification of description only, without indicating or implying that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and therefore should not be construed as limiting the present utility model; the directional terms of the present utility model should be construed in connection with its actual installation state.

Referring to fig. 1, a first aspect of the present utility model provides a compacting device, including a mounting structure 1, a moving mechanism 2 and a cantilever 3, wherein one end of the cantilever 3 is connected with the mounting structure 1 through the moving mechanism 2, the other end of the cantilever 3 is provided with a compacting mechanism 4, the compacting mechanism 4 is connected with the cantilever 3 through a first driving mechanism 31, wherein the mounting structure 1 is used as a mounting base of the compacting device and is used for mounting and fixing the compacting device in a required construction environment field, the compacting mechanism 4 is used for compacting a workpiece so as to facilitate subsequent assembly of the workpiece, the moving mechanism 2 can drive the cantilever 3 to move along the length direction of the mounting structure 1, and the first driving mechanism 31 can drive the compacting mechanism 4 to move up and down along the height direction of the mounting structure 1. It will be appreciated that the "longitudinal direction of the mounting structure 1" is generally parallel to the ground and the "height direction of the mounting structure 1" is generally perpendicular to the ground.

The pressing device provided by the utility model can press the workpiece, is convenient for subsequent assembly of the workpiece, takes the central revolving body of the excavator as an example, and takes the central revolving body as a casting part, so that the requirement on the installation precision is higher when the assembly is carried out, the pressing device provided by the utility model can press the central revolving body when the central revolving body is assembled, thereby improving the subsequent assembly precision, saving manpower and material resources, improving the production efficiency, and driving the pressing mechanism 4 on the cantilever 3 through the moving mechanism 2, not only can adjust the pressing point according to the actual working environment, but also can avoid interference on other workpieces on the assembly station, and influencing the normal operation of the assembly work.

As a specific embodiment of the first driving mechanism 31, the first driving mechanism 31 may be a telescopic cylinder or a driving motor, so long as the pressing mechanism 4 can be driven to move up and down along the height direction of the mounting structure 1.

Further, referring to fig. 1, since the moving mechanism 2 needs to drive the cantilever 3 to move along the length direction of the mounting structure 1, in order to avoid the situation that the cantilever 3 cannot accurately move to the designated pressing working point 7 during moving, a limiting mechanism 5 is further provided on the mounting structure 1, and the limiting mechanism 5 can limit the cantilever 3 when the cantilever 3 moves along the mounting structure 1 and moves to the set position.

Specifically, referring to fig. 3, when the workpiece needs to be pressed, the limiting mechanism 5 includes a limiting cylinder 51, a stop block 52 and a first inductive switch 53, firstly, before the moving mechanism 2 starts to drive the cantilever 3 to move on the mounting structure 1, the stop block 52 is driven by the limiting cylinder 51 to move upwards, at this time, the height of the stop block 52 is higher than the contact surface between the cantilever 3 and the mounting structure 1, when the moving mechanism 2 drives the cantilever 3 to move to the position where the stop block 52 is located, the cantilever 3 is blocked from moving forward, i.e. stays at the position where the cantilever 3 is located to perform pressing work, and the first inductive switch 53 is used for detecting whether the cantilever 3 reaches the working position (for example, the position 2 shown in fig. 5), so as to prevent the moving mechanism 2 from stopping in advance when the cantilever 3 is driven to move, and the working position is not reached to affect the progress of the pressing work, and the normal operation of the assembly work is affected.

In the above embodiment, the first sensor 53 may be a displacement sensor that measures a distance between itself and the cantilever 3 to determine whether the cantilever 3 reaches the working position, and if the cantilever 3 does not reach the working position, an alarm signal may be sent to remind a worker to perform repair or the like. In addition, as can be seen from fig. 3, the first inductive switch 53 is located above the stop block 52, when the stop block 52 is ejected by the limiting cylinder 51, the first inductive switch 53 is also lifted up to perform inductive measurement, and when the limiting mechanism 5 does not operate, the first inductive switch 53 does not work, so that error information does not influence the normal operation of the pressing device during the induction.

As shown in fig. 2, the mounting structure 1 is provided with a plurality of mounting holes, and the position of the stopper mechanism 5 can be set according to specific assembly requirements.

Further, referring to fig. 1, as a specific embodiment of the present utility model, the mounting structure 1 of the present utility model includes a beam 11 and a pair of opposite columns 12, wherein bottoms of two ends of the beam 11 are respectively connected to the corresponding columns 12, and the moving mechanism 2 drives the cantilever 3 to move along the length direction of the beam 11. The stand 12 sets up the both ends at crossbeam 11, on the one hand can make the atress of mounting structure 1 more balanced, on the other hand can also avoid producing the interference to other work equipment in this assembly place.

Further, the moving mechanism 2 comprises a moving structure and a second driving mechanism 21, wherein the moving structure is paved along the length direction of the cross beam 11, the cantilever 3 is movably arranged on the cross beam 11 through the moving mechanism 2, and the second driving mechanism 21 can drive the cantilever 3 to move along the length direction of the cross beam 11.

In the present utility model, the second driving mechanism 21 may be a telescopic cylinder or a driving motor, and if the telescopic cylinder is used as the second driving mechanism 21, the limiting mechanism 5 should be installed at the same time when the pressing device provided by the present utility model is used, the limiting mechanism 5 may limit the telescopic stroke of the telescopic cylinder, if the driving motor is used, the limiting mechanism 5 may not be provided, and the first inductive switch 53 may be provided at the working position where the pressing operation is required to detect whether the cantilever 3 reaches the preset position.

Specifically, as shown in fig. 1, the moving structure includes a guide rail 22 and a slider 23, the guide rail 22 is slidably connected with the slider 23, the guide rail 22 is mounted on the beam 11, the slider 23 is mounted at the bottom of the cantilever 3, and the slider 23 can drive the cantilever 3 to move on the beam 11. It will be appreciated that when the second driving mechanism 21 is a telescopic cylinder, the piston rod may be connected to the slider 23, so as to drive the slider 23 to move.

It should be noted that, when the second driving mechanism 21 is a driving motor, the moving structure may be a chain and a gear, and the gear is meshed with the chain, and the driving motor drives the chain to move so as to control the gear to move. Or, when the second driving mechanism 21 is a driving motor, the moving structure may further adopt a screw and a screw nut, where the screw nut is fixedly installed at the lower end of the cantilever 3, and the screw is rotatably installed on the beam 11, and the driving motor drives the screw to rotate so as to drive the screw nut to move on the screw.

Further, the pressing mechanism 4 is rotatably connected with the first driving mechanism 31 through a floating connection structure, so that the direction of application of the pressing force by the pressing mechanism 4 to the workpiece can be always perpendicular to the mounting surface of the workpiece. In this way, when the pressing mechanism 4 is used, the angle of the pressing mechanism 4 can be adjusted by a small extent according to the workpiece to be pressed, so that the pressing mechanism can be more attached to the workpiece to be pressed, taking the central revolving body of the excavator as an example, the pressing mechanism 4 needs to press four bolt positions on the central revolving body, because the structure of the central revolving body is complex, in order to ensure that the force application direction of the pressing mechanism 4 when the pressing force is applied to the central revolving body can be perpendicular to the mounting surface of the central revolving body, the pressing mechanism 4 needs to automatically adjust the angle according to the position and the angle of the central revolving body, the floating connection structure can assist the pressing mechanism 4 to adjust the angle of the pressing mechanism 4, in addition, the pressing mechanism 4 can also be suitable for workpieces of different types or different models through the floating connection structure, and the attention needs to be paid that the force application direction of the pressing mechanism 4 when the pressing force is applied to the workpiece is always perpendicular to the mounting surface of the workpiece no matter how the pressing mechanism 4 rotates.

Specifically, preferably, as a floating connection structure, a steel ball is connected with the first driving mechanism 31 in a clamping manner, is rotationally connected with the pressing mechanism 4, and the pressing mechanism 4 can rotate by means of the steel ball.

It should be noted that, the steel ball is only a preferred embodiment, and an elastic element having a resilience force may be used as the floating connection structure instead of the steel ball, so long as the connection between the first driving mechanism 31 and the pressing mechanism 4 as a connection member is satisfied, and the pressing mechanism 4 can be assisted to adjust its own angle according to the structural condition of the workpiece.

Further, as a specific embodiment of the present utility model, referring to fig. 1, a second sensor switch 6 for detecting whether the cantilever 3 reaches the avoidance position is further provided on the side wall of the cross beam 11, and in general, the second sensor switch 6 may employ a displacement sensor to detect whether the cantilever 3 reaches the avoidance position (for example, the position 1 and the position 3 shown in fig. 5) in comparison with the first sensor switch 53.

In addition, referring to fig. 1, a cylinder control master switch is further provided on a side wall of the cross beam 11, and is connected with each cylinder through a pipeline to control each cylinder to work. It should be noted that, the induction switches are disposed on each working component, for example, the first driving mechanism 31, the second driving mechanism 21 and the limiting cylinder 51 are all disposed on each induction switch, and each induction switch is in wireless communication connection, and each induction switch senses each other through the preset of the overall control platform, so that the automatic use of the compacting device provided by the utility model is completed, manpower and material resources are saved, and meanwhile, the automation level of production and assembly can be provided, and the working efficiency and assembly accuracy are improved.

A second aspect of the utility model provides an assembly compaction line comprising a compaction device as provided in the first aspect. Specifically, this production line includes the compaction operating point 7 that uses closing device to compress tightly the operation to the work piece, AGV, is used for transporting the AGVAGV that the work piece was transported and was overturned and transport assembly operating point 9 that carries and assemble the work piece through the robot, in addition, in this production line wireless communication connects between closing device, AGV and the robot to control and set for through total control platform, in order to realize automatic assembly and transport work.

Referring to fig. 5, the assembly line will be described with reference to an example of assembling a center revolving structure and a lower frame of an excavator:

as shown in fig. 5, the AGV conveys the central revolving body to a preset pressing working point 7 in advance, the robot conveys the central revolving body to the mounting table, the cantilever 3 of the pressing device is at a position 1, which is used for avoiding interference to the operation of the robot, then the AGV sends out a working command signal to the moving mechanism 2 and the limiting mechanism 5 of the pressing mechanism 4, the limiting cylinder 51 in the limiting mechanism 5 jacks up the stop block 52 and sends out a working command signal to the moving mechanism 2, the moving mechanism 2 drives the cantilever 3 to move towards the preset pressing working point 7, at this time, the first inductive switch 53 starts to work to measure the distance between the cantilever 3 and the first inductive switch 53, the cantilever 3 is blocked by the stop block 52, the moving mechanism 2 receives the detection signal of the first inductive switch 53 to stop moving, when the position 2 is reached, the first driving mechanism 31 receives a working instruction signal, drives the pressing mechanism 4 to move downwards to press the central revolving body and the lower frame, presses the working instruction signal to the robot after pressing in place, the robot starts to work to install two bolts between the central revolving body and the lower frame, the pressing mechanism 4 loosens the central revolving body to restore the original position after the installation is completed, then the stop block 52 moves downwards to restore the original position under the driving of the limiting cylinder 51, the moving mechanism 2 receives the working instruction signal to drive the cantilever 3 to return to the position 1, then the robot tightens and installs other bolts on the central revolving body, sends the working instruction signal to the moving mechanism 2 and the AGV after the installation is completed, the moving mechanism 2 receives the signal and drives the cantilever 3 to go to the position 3 (namely the avoiding position), the AGV is carried out the upset back to next working line to assembled central solid of revolution and lower frame, and moving mechanism 2 receives the working signal that AGV left promptly, and drive cantilever 3 gets back to position 1, begins to assemble next central solid of revolution and lower frame, circulates above-mentioned workflow. The production line can realize automatic transfer and transfer work between the central revolving body and the lower frame, saves manpower and material resources, improves the working efficiency and the automation degree, is convenient for collecting process data, and is beneficial to process statistics optimization.

The pressing device provided by the first aspect of the utility model can be used for pressing the workpiece, so that subsequent assembly is convenient, labor and material resources are saved, the working efficiency and the assembly precision can be improved, the pressing point position can be adjusted according to the actual assembly requirement, interference to other workpieces on the assembly station is avoided, and the normal operation of the assembly work is ensured.

According to the compacting assembly production line provided by the second aspect of the utility model, the labor and material resources are saved, the working efficiency and the automation degree are improved, process data are conveniently collected, and the process statistics optimization is facilitated.

In the description of the present utility model, the descriptions of the terms "one embodiment," "some embodiments," "a particular implementation," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In the present utility model, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present utility model within the scope of the technical concept of the present utility model, and all the simple modifications belong to the protection scope of the present utility model.

In addition, the specific features described in the above embodiments may be combined in any suitable manner without contradiction. The various possible combinations of the utility model are not described in detail in order to avoid unnecessary repetition.

Moreover, any combination of the various embodiments of the utility model can be made without departing from the spirit of the utility model, which should also be considered as disclosed herein.

Claims (11)

1. The utility model provides a closing device, its characterized in that, includes mounting structure (1), moving mechanism (2) and cantilever (3), the one end of cantilever (3) pass through moving mechanism (2) with mounting structure (1) is connected, compressing mechanism (4) that can compress tightly to the work piece are installed to the other end of cantilever (3), moving mechanism (2) can drive cantilever (3) are followed the length direction of mounting structure (1) removes, compressing mechanism (4) through first actuating mechanism (31) with cantilever (3) are connected, first actuating mechanism (31) can drive compressing mechanism (4) are followed the direction of height up-and-down motion of mounting structure (1).

2. The compacting apparatus of claim 1, further comprising a limiting mechanism (5), the limiting mechanism (5) being mounted on the mounting structure (1), the limiting mechanism (5) being capable of limiting the cantilever (3) when the cantilever (3) is moved along the mounting structure (1) to a set position.

3. The pressing device according to claim 2, characterized in that the limiting mechanism (5) comprises a limiting cylinder (51), a stop block (52) and a first inductive switch (53) for detecting the moving position of the cantilever (3), the stop block (52) is connected with the mounting structure (1) through the limiting cylinder (51), the limiting cylinder (51) is used for driving the stop block (52) to move up and down along the height direction of the mounting structure (1), and the first inductive switch (53) is used for detecting whether the cantilever (3) reaches the working position.

4. The pressing device according to claim 1, wherein the mounting structure (1) comprises a cross beam (11) and a pair of opposite upright posts (12), two ends of the cross beam (11) are respectively connected with the corresponding upright posts (12), and the moving mechanism (2) drives the cantilever (3) to move along the length direction of the cross beam (11).

5. The pressing device according to claim 4, characterized in that the moving mechanism (2) comprises a moving structure and a second driving mechanism (21), the moving structure is laid on the cross beam (11) along the length direction of the cross beam (11), the cantilever (3) is movably mounted on the cross beam (11) through the moving structure, and the second driving mechanism (21) can drive the cantilever (3) to move along the length direction of the cross beam (11).

6. The compacting device of claim 5, characterized in that the moving structure comprises a guide rail (22) and a slider (23) that is slidably connected with the guide rail (22), the guide rail (22) being mounted on the cross beam (11), the slider (23) being mounted at the bottom of the cantilever (3).

7. The pressing device according to claim 1, characterized in that the pressing mechanism (4) is rotatably connected with the first driving mechanism (31) through a floating connection structure, so that the application direction of the pressing force applied by the pressing mechanism (4) to the workpiece is always perpendicular to the mounting surface of the workpiece.

8. The pressing device according to claim 7, characterized in that the floating connection is a steel ball, by means of which the pressing mechanism (4) is rotationally connected with the first drive mechanism (31).

9. The pressing device according to claim 4, characterized in that a second inductive switch (6) for detecting whether the cantilever (3) reaches the dodging position is also provided on the side wall of the cross beam (11).

10. An assembly compaction line comprising a compaction device according to any one of claims 1 to 9.

11. The assembly compaction line of claim 10, comprising a compaction point (7) for compacting the workpiece, an AGV transport and turn point (8) for transporting and turning the workpiece, and a handling and assembly point (9) for handling and assembling the workpiece by a robot, wherein the compaction device, the AGV, and the robot are in wireless communication connection.